ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: home / letacommog / laindinois / wp-content / plugins / wiloke-listing-tools / admin / source / js

/******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};
/******/
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/
/******/ 		// Check if module is in cache
/******/ 		if(installedModules[moduleId]) {
/******/ 			return installedModules[moduleId].exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = installedModules[moduleId] = {
/******/ 			i: moduleId,
/******/ 			l: false,
/******/ 			exports: {}
/******/ 		};
/******/
/******/ 		// Execute the module function
/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ 		// Flag the module as loaded
/******/ 		module.l = true;
/******/
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/
/******/
/******/ 	// expose the modules object (__webpack_modules__)
/******/ 	__webpack_require__.m = modules;
/******/
/******/ 	// expose the module cache
/******/ 	__webpack_require__.c = installedModules;
/******/
/******/ 	// define getter function for harmony exports
/******/ 	__webpack_require__.d = function(exports, name, getter) {
/******/ 		if(!__webpack_require__.o(exports, name)) {
/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
/******/ 		}
/******/ 	};
/******/
/******/ 	// define __esModule on exports
/******/ 	__webpack_require__.r = function(exports) {
/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ 		}
/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
/******/ 	};
/******/
/******/ 	// create a fake namespace object
/******/ 	// mode & 1: value is a module id, require it
/******/ 	// mode & 2: merge all properties of value into the ns
/******/ 	// mode & 4: return value when already ns object
/******/ 	// mode & 8|1: behave like require
/******/ 	__webpack_require__.t = function(value, mode) {
/******/ 		if(mode & 1) value = __webpack_require__(value);
/******/ 		if(mode & 8) return value;
/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
/******/ 		var ns = Object.create(null);
/******/ 		__webpack_require__.r(ns);
/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
/******/ 		return ns;
/******/ 	};
/******/
/******/ 	// getDefaultExport function for compatibility with non-harmony modules
/******/ 	__webpack_require__.n = function(module) {
/******/ 		var getter = module && module.__esModule ?
/******/ 			function getDefault() { return module['default']; } :
/******/ 			function getModuleExports() { return module; };
/******/ 		__webpack_require__.d(getter, 'a', getter);
/******/ 		return getter;
/******/ 	};
/******/
/******/ 	// Object.prototype.hasOwnProperty.call
/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ 	// __webpack_public_path__
/******/ 	__webpack_require__.p = "https://demo.wilcityapp.com/wp-content/plugins/wiloke-listing-tools/admin/source/js/";
/******/
/******/
/******/ 	// Load entry module and return exports
/******/ 	return __webpack_require__(__webpack_require__.s = "./admin/source/dev/report-script.js");
/******/ })
/************************************************************************/
/******/ ({

/***/ "./admin/source/dev/report-script.js":
/*!*******************************************!*\
  !*** ./admin/source/dev/report-script.js ***!
  \*******************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
eval("__webpack_require__.r(__webpack_exports__);\n/* harmony import */ var vue__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! vue */ \"./node_modules/vue/dist/vue.esm.js\");\n/* harmony import */ var vuedraggable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! vuedraggable */ \"./node_modules/vuedraggable/dist/vuedraggable.common.js\");\n/* harmony import */ var vuedraggable__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(vuedraggable__WEBPACK_IMPORTED_MODULE_1__);\n\n\nnew vue__WEBPACK_IMPORTED_MODULE_0__[\"default\"]({\n  el: '#wiloke-report-settings',\n  data: {\n    aFields: WILOKE_REPORT.fields,\n    toggle: WILOKE_REPORT.toggle,\n    thankyou: WILOKE_REPORT.thankyou,\n    description: WILOKE_REPORT.description,\n    isLoading: false,\n    errorMsg: '',\n    successMsg: ''\n  },\n  components: {\n    draggable: (vuedraggable__WEBPACK_IMPORTED_MODULE_1___default())\n  },\n  methods: {\n    addField() {\n      let oDate = new Date();\n      this.aFields.push({\n        label: 'Field Name',\n        key: 'field_key_' + oDate.getTime(),\n        type: 'text',\n        options: ''\n      });\n    },\n\n    saveChanges() {\n      this.isLoading = true;\n      jQuery.ajax({\n        type: 'POST',\n        url: ajaxurl,\n        data: {\n          action: 'wiloke_save_report_settings',\n          fields: this.aFields,\n          toggle: this.toggle,\n          thankyou: this.thankyou,\n          description: this.description\n        },\n        success: response => {\n          this.errMsg = '';\n          this.successMsg = '';\n          this.isLoading = false;\n\n          if (!response.success) {\n            this.errMsg = 'Something went to error';\n          } else {\n            this.successMsg = 'The plans have been saved successfully';\n          }\n        }\n      });\n    },\n\n    removeField(index) {\n      let iWantToRemove = confirm('Do you want to remove this field?');\n\n      if (!iWantToRemove) {\n        return false;\n      }\n\n      this.aFields.splice(index, 1);\n    }\n\n  },\n\n  mounted() {},\n\n  computed: {\n    formClass() {\n      return {\n        'ui form': 1 === 1,\n        loading: this.isLoading\n      };\n    },\n\n    isPositionsExist() {\n      return this.oAvailablePositions.length;\n    }\n\n  }\n});\n\n//# sourceURL=webpack:///./admin/source/dev/report-script.js?");

/***/ }),

/***/ "./node_modules/process/browser.js":
/*!*****************************************!*\
  !*** ./node_modules/process/browser.js ***!
  \*****************************************/
/*! no static exports found */
/***/ (function(module, exports) {

eval("// shim for using process in browser\nvar process = module.exports = {};\n\n// cached from whatever global is present so that test runners that stub it\n// don't break things.  But we need to wrap it in a try catch in case it is\n// wrapped in strict mode code which doesn't define any globals.  It's inside a\n// function because try/catches deoptimize in certain engines.\n\nvar cachedSetTimeout;\nvar cachedClearTimeout;\n\nfunction defaultSetTimout() {\n    throw new Error('setTimeout has not been defined');\n}\nfunction defaultClearTimeout () {\n    throw new Error('clearTimeout has not been defined');\n}\n(function () {\n    try {\n        if (typeof setTimeout === 'function') {\n            cachedSetTimeout = setTimeout;\n        } else {\n            cachedSetTimeout = defaultSetTimout;\n        }\n    } catch (e) {\n        cachedSetTimeout = defaultSetTimout;\n    }\n    try {\n        if (typeof clearTimeout === 'function') {\n            cachedClearTimeout = clearTimeout;\n        } else {\n            cachedClearTimeout = defaultClearTimeout;\n        }\n    } catch (e) {\n        cachedClearTimeout = defaultClearTimeout;\n    }\n} ())\nfunction runTimeout(fun) {\n    if (cachedSetTimeout === setTimeout) {\n        //normal enviroments in sane situations\n        return setTimeout(fun, 0);\n    }\n    // if setTimeout wasn't available but was latter defined\n    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {\n        cachedSetTimeout = setTimeout;\n        return setTimeout(fun, 0);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedSetTimeout(fun, 0);\n    } catch(e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n            return cachedSetTimeout.call(null, fun, 0);\n        } catch(e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error\n            return cachedSetTimeout.call(this, fun, 0);\n        }\n    }\n\n\n}\nfunction runClearTimeout(marker) {\n    if (cachedClearTimeout === clearTimeout) {\n        //normal enviroments in sane situations\n        return clearTimeout(marker);\n    }\n    // if clearTimeout wasn't available but was latter defined\n    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {\n        cachedClearTimeout = clearTimeout;\n        return clearTimeout(marker);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedClearTimeout(marker);\n    } catch (e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally\n            return cachedClearTimeout.call(null, marker);\n        } catch (e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.\n            // Some versions of I.E. have different rules for clearTimeout vs setTimeout\n            return cachedClearTimeout.call(this, marker);\n        }\n    }\n\n\n\n}\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n    if (!draining || !currentQueue) {\n        return;\n    }\n    draining = false;\n    if (currentQueue.length) {\n        queue = currentQueue.concat(queue);\n    } else {\n        queueIndex = -1;\n    }\n    if (queue.length) {\n        drainQueue();\n    }\n}\n\nfunction drainQueue() {\n    if (draining) {\n        return;\n    }\n    var timeout = runTimeout(cleanUpNextTick);\n    draining = true;\n\n    var len = queue.length;\n    while(len) {\n        currentQueue = queue;\n        queue = [];\n        while (++queueIndex < len) {\n            if (currentQueue) {\n                currentQueue[queueIndex].run();\n            }\n        }\n        queueIndex = -1;\n        len = queue.length;\n    }\n    currentQueue = null;\n    draining = false;\n    runClearTimeout(timeout);\n}\n\nprocess.nextTick = function (fun) {\n    var args = new Array(arguments.length - 1);\n    if (arguments.length > 1) {\n        for (var i = 1; i < arguments.length; i++) {\n            args[i - 1] = arguments[i];\n        }\n    }\n    queue.push(new Item(fun, args));\n    if (queue.length === 1 && !draining) {\n        runTimeout(drainQueue);\n    }\n};\n\n// v8 likes predictible objects\nfunction Item(fun, array) {\n    this.fun = fun;\n    this.array = array;\n}\nItem.prototype.run = function () {\n    this.fun.apply(null, this.array);\n};\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\nprocess.version = ''; // empty string to avoid regexp issues\nprocess.versions = {};\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\nprocess.prependListener = noop;\nprocess.prependOnceListener = noop;\n\nprocess.listeners = function (name) { return [] }\n\nprocess.binding = function (name) {\n    throw new Error('process.binding is not supported');\n};\n\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n    throw new Error('process.chdir is not supported');\n};\nprocess.umask = function() { return 0; };\n\n\n//# sourceURL=webpack:///./node_modules/process/browser.js?");

/***/ }),

/***/ "./node_modules/setimmediate/setImmediate.js":
/*!***************************************************!*\
  !*** ./node_modules/setimmediate/setImmediate.js ***!
  \***************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

eval("/* WEBPACK VAR INJECTION */(function(global, process) {(function (global, undefined) {\n    \"use strict\";\n\n    if (global.setImmediate) {\n        return;\n    }\n\n    var nextHandle = 1; // Spec says greater than zero\n    var tasksByHandle = {};\n    var currentlyRunningATask = false;\n    var doc = global.document;\n    var registerImmediate;\n\n    function setImmediate(callback) {\n      // Callback can either be a function or a string\n      if (typeof callback !== \"function\") {\n        callback = new Function(\"\" + callback);\n      }\n      // Copy function arguments\n      var args = new Array(arguments.length - 1);\n      for (var i = 0; i < args.length; i++) {\n          args[i] = arguments[i + 1];\n      }\n      // Store and register the task\n      var task = { callback: callback, args: args };\n      tasksByHandle[nextHandle] = task;\n      registerImmediate(nextHandle);\n      return nextHandle++;\n    }\n\n    function clearImmediate(handle) {\n        delete tasksByHandle[handle];\n    }\n\n    function run(task) {\n        var callback = task.callback;\n        var args = task.args;\n        switch (args.length) {\n        case 0:\n            callback();\n            break;\n        case 1:\n            callback(args[0]);\n            break;\n        case 2:\n            callback(args[0], args[1]);\n            break;\n        case 3:\n            callback(args[0], args[1], args[2]);\n            break;\n        default:\n            callback.apply(undefined, args);\n            break;\n        }\n    }\n\n    function runIfPresent(handle) {\n        // From the spec: \"Wait until any invocations of this algorithm started before this one have completed.\"\n        // So if we're currently running a task, we'll need to delay this invocation.\n        if (currentlyRunningATask) {\n            // Delay by doing a setTimeout. setImmediate was tried instead, but in Firefox 7 it generated a\n            // \"too much recursion\" error.\n            setTimeout(runIfPresent, 0, handle);\n        } else {\n            var task = tasksByHandle[handle];\n            if (task) {\n                currentlyRunningATask = true;\n                try {\n                    run(task);\n                } finally {\n                    clearImmediate(handle);\n                    currentlyRunningATask = false;\n                }\n            }\n        }\n    }\n\n    function installNextTickImplementation() {\n        registerImmediate = function(handle) {\n            process.nextTick(function () { runIfPresent(handle); });\n        };\n    }\n\n    function canUsePostMessage() {\n        // The test against `importScripts` prevents this implementation from being installed inside a web worker,\n        // where `global.postMessage` means something completely different and can't be used for this purpose.\n        if (global.postMessage && !global.importScripts) {\n            var postMessageIsAsynchronous = true;\n            var oldOnMessage = global.onmessage;\n            global.onmessage = function() {\n                postMessageIsAsynchronous = false;\n            };\n            global.postMessage(\"\", \"*\");\n            global.onmessage = oldOnMessage;\n            return postMessageIsAsynchronous;\n        }\n    }\n\n    function installPostMessageImplementation() {\n        // Installs an event handler on `global` for the `message` event: see\n        // * https://developer.mozilla.org/en/DOM/window.postMessage\n        // * http://www.whatwg.org/specs/web-apps/current-work/multipage/comms.html#crossDocumentMessages\n\n        var messagePrefix = \"setImmediate$\" + Math.random() + \"$\";\n        var onGlobalMessage = function(event) {\n            if (event.source === global &&\n                typeof event.data === \"string\" &&\n                event.data.indexOf(messagePrefix) === 0) {\n                runIfPresent(+event.data.slice(messagePrefix.length));\n            }\n        };\n\n        if (global.addEventListener) {\n            global.addEventListener(\"message\", onGlobalMessage, false);\n        } else {\n            global.attachEvent(\"onmessage\", onGlobalMessage);\n        }\n\n        registerImmediate = function(handle) {\n            global.postMessage(messagePrefix + handle, \"*\");\n        };\n    }\n\n    function installMessageChannelImplementation() {\n        var channel = new MessageChannel();\n        channel.port1.onmessage = function(event) {\n            var handle = event.data;\n            runIfPresent(handle);\n        };\n\n        registerImmediate = function(handle) {\n            channel.port2.postMessage(handle);\n        };\n    }\n\n    function installReadyStateChangeImplementation() {\n        var html = doc.documentElement;\n        registerImmediate = function(handle) {\n            // Create a <script> element; its readystatechange event will be fired asynchronously once it is inserted\n            // into the document. Do so, thus queuing up the task. Remember to clean up once it's been called.\n            var script = doc.createElement(\"script\");\n            script.onreadystatechange = function () {\n                runIfPresent(handle);\n                script.onreadystatechange = null;\n                html.removeChild(script);\n                script = null;\n            };\n            html.appendChild(script);\n        };\n    }\n\n    function installSetTimeoutImplementation() {\n        registerImmediate = function(handle) {\n            setTimeout(runIfPresent, 0, handle);\n        };\n    }\n\n    // If supported, we should attach to the prototype of global, since that is where setTimeout et al. live.\n    var attachTo = Object.getPrototypeOf && Object.getPrototypeOf(global);\n    attachTo = attachTo && attachTo.setTimeout ? attachTo : global;\n\n    // Don't get fooled by e.g. browserify environments.\n    if ({}.toString.call(global.process) === \"[object process]\") {\n        // For Node.js before 0.9\n        installNextTickImplementation();\n\n    } else if (canUsePostMessage()) {\n        // For non-IE10 modern browsers\n        installPostMessageImplementation();\n\n    } else if (global.MessageChannel) {\n        // For web workers, where supported\n        installMessageChannelImplementation();\n\n    } else if (doc && \"onreadystatechange\" in doc.createElement(\"script\")) {\n        // For IE 6–8\n        installReadyStateChangeImplementation();\n\n    } else {\n        // For older browsers\n        installSetTimeoutImplementation();\n    }\n\n    attachTo.setImmediate = setImmediate;\n    attachTo.clearImmediate = clearImmediate;\n}(typeof self === \"undefined\" ? typeof global === \"undefined\" ? this : global : self));\n\n/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../webpack/buildin/global.js */ \"./node_modules/webpack/buildin/global.js\"), __webpack_require__(/*! ./../process/browser.js */ \"./node_modules/process/browser.js\")))\n\n//# sourceURL=webpack:///./node_modules/setimmediate/setImmediate.js?");

/***/ }),

/***/ "./node_modules/sortablejs/modular/sortable.esm.js":
/*!*********************************************************!*\
  !*** ./node_modules/sortablejs/modular/sortable.esm.js ***!
  \*********************************************************/
/*! exports provided: default, MultiDrag, Sortable, Swap */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"MultiDrag\", function() { return MultiDragPlugin; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Sortable\", function() { return Sortable; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Swap\", function() { return SwapPlugin; });\n/**!\n * Sortable 1.10.1\n * @author\tRubaXa   <trash@rubaxa.org>\n * @author\towenm    <owen23355@gmail.com>\n * @license MIT\n */\nfunction _typeof(obj) {\n  if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") {\n    _typeof = function (obj) {\n      return typeof obj;\n    };\n  } else {\n    _typeof = function (obj) {\n      return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n    };\n  }\n\n  return _typeof(obj);\n}\n\nfunction _defineProperty(obj, key, value) {\n  if (key in obj) {\n    Object.defineProperty(obj, key, {\n      value: value,\n      enumerable: true,\n      configurable: true,\n      writable: true\n    });\n  } else {\n    obj[key] = value;\n  }\n\n  return obj;\n}\n\nfunction _extends() {\n  _extends = Object.assign || function (target) {\n    for (var i = 1; i < arguments.length; i++) {\n      var source = arguments[i];\n\n      for (var key in source) {\n        if (Object.prototype.hasOwnProperty.call(source, key)) {\n          target[key] = source[key];\n        }\n      }\n    }\n\n    return target;\n  };\n\n  return _extends.apply(this, arguments);\n}\n\nfunction _objectSpread(target) {\n  for (var i = 1; i < arguments.length; i++) {\n    var source = arguments[i] != null ? arguments[i] : {};\n    var ownKeys = Object.keys(source);\n\n    if (typeof Object.getOwnPropertySymbols === 'function') {\n      ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {\n        return Object.getOwnPropertyDescriptor(source, sym).enumerable;\n      }));\n    }\n\n    ownKeys.forEach(function (key) {\n      _defineProperty(target, key, source[key]);\n    });\n  }\n\n  return target;\n}\n\nfunction _objectWithoutPropertiesLoose(source, excluded) {\n  if (source == null) return {};\n  var target = {};\n  var sourceKeys = Object.keys(source);\n  var key, i;\n\n  for (i = 0; i < sourceKeys.length; i++) {\n    key = sourceKeys[i];\n    if (excluded.indexOf(key) >= 0) continue;\n    target[key] = source[key];\n  }\n\n  return target;\n}\n\nfunction _objectWithoutProperties(source, excluded) {\n  if (source == null) return {};\n\n  var target = _objectWithoutPropertiesLoose(source, excluded);\n\n  var key, i;\n\n  if (Object.getOwnPropertySymbols) {\n    var sourceSymbolKeys = Object.getOwnPropertySymbols(source);\n\n    for (i = 0; i < sourceSymbolKeys.length; i++) {\n      key = sourceSymbolKeys[i];\n      if (excluded.indexOf(key) >= 0) continue;\n      if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;\n      target[key] = source[key];\n    }\n  }\n\n  return target;\n}\n\nfunction _toConsumableArray(arr) {\n  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();\n}\n\nfunction _arrayWithoutHoles(arr) {\n  if (Array.isArray(arr)) {\n    for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];\n\n    return arr2;\n  }\n}\n\nfunction _iterableToArray(iter) {\n  if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === \"[object Arguments]\") return Array.from(iter);\n}\n\nfunction _nonIterableSpread() {\n  throw new TypeError(\"Invalid attempt to spread non-iterable instance\");\n}\n\nvar version = \"1.10.1\";\n\nfunction userAgent(pattern) {\n  if (typeof window !== 'undefined' && window.navigator) {\n    return !!\n    /*@__PURE__*/\n    navigator.userAgent.match(pattern);\n  }\n}\n\nvar IE11OrLess = userAgent(/(?:Trident.*rv[ :]?11\\.|msie|iemobile|Windows Phone)/i);\nvar Edge = userAgent(/Edge/i);\nvar FireFox = userAgent(/firefox/i);\nvar Safari = userAgent(/safari/i) && !userAgent(/chrome/i) && !userAgent(/android/i);\nvar IOS = userAgent(/iP(ad|od|hone)/i);\nvar ChromeForAndroid = userAgent(/chrome/i) && userAgent(/android/i);\n\nvar captureMode = {\n  capture: false,\n  passive: false\n};\n\nfunction on(el, event, fn) {\n  el.addEventListener(event, fn, !IE11OrLess && captureMode);\n}\n\nfunction off(el, event, fn) {\n  el.removeEventListener(event, fn, !IE11OrLess && captureMode);\n}\n\nfunction matches(\n/**HTMLElement*/\nel,\n/**String*/\nselector) {\n  if (!selector) return;\n  selector[0] === '>' && (selector = selector.substring(1));\n\n  if (el) {\n    try {\n      if (el.matches) {\n        return el.matches(selector);\n      } else if (el.msMatchesSelector) {\n        return el.msMatchesSelector(selector);\n      } else if (el.webkitMatchesSelector) {\n        return el.webkitMatchesSelector(selector);\n      }\n    } catch (_) {\n      return false;\n    }\n  }\n\n  return false;\n}\n\nfunction getParentOrHost(el) {\n  return el.host && el !== document && el.host.nodeType ? el.host : el.parentNode;\n}\n\nfunction closest(\n/**HTMLElement*/\nel,\n/**String*/\nselector,\n/**HTMLElement*/\nctx, includeCTX) {\n  if (el) {\n    ctx = ctx || document;\n\n    do {\n      if (selector != null && (selector[0] === '>' ? el.parentNode === ctx && matches(el, selector) : matches(el, selector)) || includeCTX && el === ctx) {\n        return el;\n      }\n\n      if (el === ctx) break;\n      /* jshint boss:true */\n    } while (el = getParentOrHost(el));\n  }\n\n  return null;\n}\n\nvar R_SPACE = /\\s+/g;\n\nfunction toggleClass(el, name, state) {\n  if (el && name) {\n    if (el.classList) {\n      el.classList[state ? 'add' : 'remove'](name);\n    } else {\n      var className = (' ' + el.className + ' ').replace(R_SPACE, ' ').replace(' ' + name + ' ', ' ');\n      el.className = (className + (state ? ' ' + name : '')).replace(R_SPACE, ' ');\n    }\n  }\n}\n\nfunction css(el, prop, val) {\n  var style = el && el.style;\n\n  if (style) {\n    if (val === void 0) {\n      if (document.defaultView && document.defaultView.getComputedStyle) {\n        val = document.defaultView.getComputedStyle(el, '');\n      } else if (el.currentStyle) {\n        val = el.currentStyle;\n      }\n\n      return prop === void 0 ? val : val[prop];\n    } else {\n      if (!(prop in style) && prop.indexOf('webkit') === -1) {\n        prop = '-webkit-' + prop;\n      }\n\n      style[prop] = val + (typeof val === 'string' ? '' : 'px');\n    }\n  }\n}\n\nfunction matrix(el, selfOnly) {\n  var appliedTransforms = '';\n\n  if (typeof el === 'string') {\n    appliedTransforms = el;\n  } else {\n    do {\n      var transform = css(el, 'transform');\n\n      if (transform && transform !== 'none') {\n        appliedTransforms = transform + ' ' + appliedTransforms;\n      }\n      /* jshint boss:true */\n\n    } while (!selfOnly && (el = el.parentNode));\n  }\n\n  var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix;\n  /*jshint -W056 */\n\n  return matrixFn && new matrixFn(appliedTransforms);\n}\n\nfunction find(ctx, tagName, iterator) {\n  if (ctx) {\n    var list = ctx.getElementsByTagName(tagName),\n        i = 0,\n        n = list.length;\n\n    if (iterator) {\n      for (; i < n; i++) {\n        iterator(list[i], i);\n      }\n    }\n\n    return list;\n  }\n\n  return [];\n}\n\nfunction getWindowScrollingElement() {\n  if (IE11OrLess) {\n    return document.documentElement;\n  } else {\n    return document.scrollingElement;\n  }\n}\n/**\n * Returns the \"bounding client rect\" of given element\n * @param  {HTMLElement} el                       The element whose boundingClientRect is wanted\n * @param  {[Boolean]} relativeToContainingBlock  Whether the rect should be relative to the containing block of (including) the container\n * @param  {[Boolean]} relativeToNonStaticParent  Whether the rect should be relative to the relative parent of (including) the contaienr\n * @param  {[Boolean]} undoScale                  Whether the container's scale() should be undone\n * @param  {[HTMLElement]} container              The parent the element will be placed in\n * @return {Object}                               The boundingClientRect of el, with specified adjustments\n */\n\n\nfunction getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoScale, container) {\n  if (!el.getBoundingClientRect && el !== window) return;\n  var elRect, top, left, bottom, right, height, width;\n\n  if (el !== window && el !== getWindowScrollingElement()) {\n    elRect = el.getBoundingClientRect();\n    top = elRect.top;\n    left = elRect.left;\n    bottom = elRect.bottom;\n    right = elRect.right;\n    height = elRect.height;\n    width = elRect.width;\n  } else {\n    top = 0;\n    left = 0;\n    bottom = window.innerHeight;\n    right = window.innerWidth;\n    height = window.innerHeight;\n    width = window.innerWidth;\n  }\n\n  if ((relativeToContainingBlock || relativeToNonStaticParent) && el !== window) {\n    // Adjust for translate()\n    container = container || el.parentNode; // solves #1123 (see: https://stackoverflow.com/a/37953806/6088312)\n    // Not needed on <= IE11\n\n    if (!IE11OrLess) {\n      do {\n        if (container && container.getBoundingClientRect && (css(container, 'transform') !== 'none' || relativeToNonStaticParent && css(container, 'position') !== 'static')) {\n          var containerRect = container.getBoundingClientRect(); // Set relative to edges of padding box of container\n\n          top -= containerRect.top + parseInt(css(container, 'border-top-width'));\n          left -= containerRect.left + parseInt(css(container, 'border-left-width'));\n          bottom = top + elRect.height;\n          right = left + elRect.width;\n          break;\n        }\n        /* jshint boss:true */\n\n      } while (container = container.parentNode);\n    }\n  }\n\n  if (undoScale && el !== window) {\n    // Adjust for scale()\n    var elMatrix = matrix(container || el),\n        scaleX = elMatrix && elMatrix.a,\n        scaleY = elMatrix && elMatrix.d;\n\n    if (elMatrix) {\n      top /= scaleY;\n      left /= scaleX;\n      width /= scaleX;\n      height /= scaleY;\n      bottom = top + height;\n      right = left + width;\n    }\n  }\n\n  return {\n    top: top,\n    left: left,\n    bottom: bottom,\n    right: right,\n    width: width,\n    height: height\n  };\n}\n/**\n * Checks if a side of an element is scrolled past a side of its parents\n * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question\n * @param  {String}       elSide       Side of the element in question ('top', 'left', 'right', 'bottom')\n * @param  {String}       parentSide   Side of the parent in question ('top', 'left', 'right', 'bottom')\n * @return {HTMLElement}               The parent scroll element that the el's side is scrolled past, or null if there is no such element\n */\n\n\nfunction isScrolledPast(el, elSide, parentSide) {\n  var parent = getParentAutoScrollElement(el, true),\n      elSideVal = getRect(el)[elSide];\n  /* jshint boss:true */\n\n  while (parent) {\n    var parentSideVal = getRect(parent)[parentSide],\n        visible = void 0;\n\n    if (parentSide === 'top' || parentSide === 'left') {\n      visible = elSideVal >= parentSideVal;\n    } else {\n      visible = elSideVal <= parentSideVal;\n    }\n\n    if (!visible) return parent;\n    if (parent === getWindowScrollingElement()) break;\n    parent = getParentAutoScrollElement(parent, false);\n  }\n\n  return false;\n}\n/**\n * Gets nth child of el, ignoring hidden children, sortable's elements (does not ignore clone if it's visible)\n * and non-draggable elements\n * @param  {HTMLElement} el       The parent element\n * @param  {Number} childNum      The index of the child\n * @param  {Object} options       Parent Sortable's options\n * @return {HTMLElement}          The child at index childNum, or null if not found\n */\n\n\nfunction getChild(el, childNum, options) {\n  var currentChild = 0,\n      i = 0,\n      children = el.children;\n\n  while (i < children.length) {\n    if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && children[i] !== Sortable.dragged && closest(children[i], options.draggable, el, false)) {\n      if (currentChild === childNum) {\n        return children[i];\n      }\n\n      currentChild++;\n    }\n\n    i++;\n  }\n\n  return null;\n}\n/**\n * Gets the last child in the el, ignoring ghostEl or invisible elements (clones)\n * @param  {HTMLElement} el       Parent element\n * @param  {selector} selector    Any other elements that should be ignored\n * @return {HTMLElement}          The last child, ignoring ghostEl\n */\n\n\nfunction lastChild(el, selector) {\n  var last = el.lastElementChild;\n\n  while (last && (last === Sortable.ghost || css(last, 'display') === 'none' || selector && !matches(last, selector))) {\n    last = last.previousElementSibling;\n  }\n\n  return last || null;\n}\n/**\n * Returns the index of an element within its parent for a selected set of\n * elements\n * @param  {HTMLElement} el\n * @param  {selector} selector\n * @return {number}\n */\n\n\nfunction index(el, selector) {\n  var index = 0;\n\n  if (!el || !el.parentNode) {\n    return -1;\n  }\n  /* jshint boss:true */\n\n\n  while (el = el.previousElementSibling) {\n    if (el.nodeName.toUpperCase() !== 'TEMPLATE' && el !== Sortable.clone && (!selector || matches(el, selector))) {\n      index++;\n    }\n  }\n\n  return index;\n}\n/**\n * Returns the scroll offset of the given element, added with all the scroll offsets of parent elements.\n * The value is returned in real pixels.\n * @param  {HTMLElement} el\n * @return {Array}             Offsets in the format of [left, top]\n */\n\n\nfunction getRelativeScrollOffset(el) {\n  var offsetLeft = 0,\n      offsetTop = 0,\n      winScroller = getWindowScrollingElement();\n\n  if (el) {\n    do {\n      var elMatrix = matrix(el),\n          scaleX = elMatrix.a,\n          scaleY = elMatrix.d;\n      offsetLeft += el.scrollLeft * scaleX;\n      offsetTop += el.scrollTop * scaleY;\n    } while (el !== winScroller && (el = el.parentNode));\n  }\n\n  return [offsetLeft, offsetTop];\n}\n/**\n * Returns the index of the object within the given array\n * @param  {Array} arr   Array that may or may not hold the object\n * @param  {Object} obj  An object that has a key-value pair unique to and identical to a key-value pair in the object you want to find\n * @return {Number}      The index of the object in the array, or -1\n */\n\n\nfunction indexOfObject(arr, obj) {\n  for (var i in arr) {\n    if (!arr.hasOwnProperty(i)) continue;\n\n    for (var key in obj) {\n      if (obj.hasOwnProperty(key) && obj[key] === arr[i][key]) return Number(i);\n    }\n  }\n\n  return -1;\n}\n\nfunction getParentAutoScrollElement(el, includeSelf) {\n  // skip to window\n  if (!el || !el.getBoundingClientRect) return getWindowScrollingElement();\n  var elem = el;\n  var gotSelf = false;\n\n  do {\n    // we don't need to get elem css if it isn't even overflowing in the first place (performance)\n    if (elem.clientWidth < elem.scrollWidth || elem.clientHeight < elem.scrollHeight) {\n      var elemCSS = css(elem);\n\n      if (elem.clientWidth < elem.scrollWidth && (elemCSS.overflowX == 'auto' || elemCSS.overflowX == 'scroll') || elem.clientHeight < elem.scrollHeight && (elemCSS.overflowY == 'auto' || elemCSS.overflowY == 'scroll')) {\n        if (!elem.getBoundingClientRect || elem === document.body) return getWindowScrollingElement();\n        if (gotSelf || includeSelf) return elem;\n        gotSelf = true;\n      }\n    }\n    /* jshint boss:true */\n\n  } while (elem = elem.parentNode);\n\n  return getWindowScrollingElement();\n}\n\nfunction extend(dst, src) {\n  if (dst && src) {\n    for (var key in src) {\n      if (src.hasOwnProperty(key)) {\n        dst[key] = src[key];\n      }\n    }\n  }\n\n  return dst;\n}\n\nfunction isRectEqual(rect1, rect2) {\n  return Math.round(rect1.top) === Math.round(rect2.top) && Math.round(rect1.left) === Math.round(rect2.left) && Math.round(rect1.height) === Math.round(rect2.height) && Math.round(rect1.width) === Math.round(rect2.width);\n}\n\nvar _throttleTimeout;\n\nfunction throttle(callback, ms) {\n  return function () {\n    if (!_throttleTimeout) {\n      var args = arguments,\n          _this = this;\n\n      if (args.length === 1) {\n        callback.call(_this, args[0]);\n      } else {\n        callback.apply(_this, args);\n      }\n\n      _throttleTimeout = setTimeout(function () {\n        _throttleTimeout = void 0;\n      }, ms);\n    }\n  };\n}\n\nfunction cancelThrottle() {\n  clearTimeout(_throttleTimeout);\n  _throttleTimeout = void 0;\n}\n\nfunction scrollBy(el, x, y) {\n  el.scrollLeft += x;\n  el.scrollTop += y;\n}\n\nfunction clone(el) {\n  var Polymer = window.Polymer;\n  var $ = window.jQuery || window.Zepto;\n\n  if (Polymer && Polymer.dom) {\n    return Polymer.dom(el).cloneNode(true);\n  } else if ($) {\n    return $(el).clone(true)[0];\n  } else {\n    return el.cloneNode(true);\n  }\n}\n\nfunction setRect(el, rect) {\n  css(el, 'position', 'absolute');\n  css(el, 'top', rect.top);\n  css(el, 'left', rect.left);\n  css(el, 'width', rect.width);\n  css(el, 'height', rect.height);\n}\n\nfunction unsetRect(el) {\n  css(el, 'position', '');\n  css(el, 'top', '');\n  css(el, 'left', '');\n  css(el, 'width', '');\n  css(el, 'height', '');\n}\n\nvar expando = 'Sortable' + new Date().getTime();\n\nfunction AnimationStateManager() {\n  var animationStates = [],\n      animationCallbackId;\n  return {\n    captureAnimationState: function captureAnimationState() {\n      animationStates = [];\n      if (!this.options.animation) return;\n      var children = [].slice.call(this.el.children);\n      children.forEach(function (child) {\n        if (css(child, 'display') === 'none' || child === Sortable.ghost) return;\n        animationStates.push({\n          target: child,\n          rect: getRect(child)\n        });\n\n        var fromRect = _objectSpread({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation\n\n\n        if (child.thisAnimationDuration) {\n          var childMatrix = matrix(child, true);\n\n          if (childMatrix) {\n            fromRect.top -= childMatrix.f;\n            fromRect.left -= childMatrix.e;\n          }\n        }\n\n        child.fromRect = fromRect;\n      });\n    },\n    addAnimationState: function addAnimationState(state) {\n      animationStates.push(state);\n    },\n    removeAnimationState: function removeAnimationState(target) {\n      animationStates.splice(indexOfObject(animationStates, {\n        target: target\n      }), 1);\n    },\n    animateAll: function animateAll(callback) {\n      var _this = this;\n\n      if (!this.options.animation) {\n        clearTimeout(animationCallbackId);\n        if (typeof callback === 'function') callback();\n        return;\n      }\n\n      var animating = false,\n          animationTime = 0;\n      animationStates.forEach(function (state) {\n        var time = 0,\n            target = state.target,\n            fromRect = target.fromRect,\n            toRect = getRect(target),\n            prevFromRect = target.prevFromRect,\n            prevToRect = target.prevToRect,\n            animatingRect = state.rect,\n            targetMatrix = matrix(target, true);\n\n        if (targetMatrix) {\n          // Compensate for current animation\n          toRect.top -= targetMatrix.f;\n          toRect.left -= targetMatrix.e;\n        }\n\n        target.toRect = toRect;\n\n        if (target.thisAnimationDuration) {\n          // Could also check if animatingRect is between fromRect and toRect\n          if (isRectEqual(prevFromRect, toRect) && !isRectEqual(fromRect, toRect) && // Make sure animatingRect is on line between toRect & fromRect\n          (animatingRect.top - toRect.top) / (animatingRect.left - toRect.left) === (fromRect.top - toRect.top) / (fromRect.left - toRect.left)) {\n            // If returning to same place as started from animation and on same axis\n            time = calculateRealTime(animatingRect, prevFromRect, prevToRect, _this.options);\n          }\n        } // if fromRect != toRect: animate\n\n\n        if (!isRectEqual(toRect, fromRect)) {\n          target.prevFromRect = fromRect;\n          target.prevToRect = toRect;\n\n          if (!time) {\n            time = _this.options.animation;\n          }\n\n          _this.animate(target, animatingRect, toRect, time);\n        }\n\n        if (time) {\n          animating = true;\n          animationTime = Math.max(animationTime, time);\n          clearTimeout(target.animationResetTimer);\n          target.animationResetTimer = setTimeout(function () {\n            target.animationTime = 0;\n            target.prevFromRect = null;\n            target.fromRect = null;\n            target.prevToRect = null;\n            target.thisAnimationDuration = null;\n          }, time);\n          target.thisAnimationDuration = time;\n        }\n      });\n      clearTimeout(animationCallbackId);\n\n      if (!animating) {\n        if (typeof callback === 'function') callback();\n      } else {\n        animationCallbackId = setTimeout(function () {\n          if (typeof callback === 'function') callback();\n        }, animationTime);\n      }\n\n      animationStates = [];\n    },\n    animate: function animate(target, currentRect, toRect, duration) {\n      if (duration) {\n        css(target, 'transition', '');\n        css(target, 'transform', '');\n        var elMatrix = matrix(this.el),\n            scaleX = elMatrix && elMatrix.a,\n            scaleY = elMatrix && elMatrix.d,\n            translateX = (currentRect.left - toRect.left) / (scaleX || 1),\n            translateY = (currentRect.top - toRect.top) / (scaleY || 1);\n        target.animatingX = !!translateX;\n        target.animatingY = !!translateY;\n        css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');\n        repaint(target); // repaint\n\n        css(target, 'transition', 'transform ' + duration + 'ms' + (this.options.easing ? ' ' + this.options.easing : ''));\n        css(target, 'transform', 'translate3d(0,0,0)');\n        typeof target.animated === 'number' && clearTimeout(target.animated);\n        target.animated = setTimeout(function () {\n          css(target, 'transition', '');\n          css(target, 'transform', '');\n          target.animated = false;\n          target.animatingX = false;\n          target.animatingY = false;\n        }, duration);\n      }\n    }\n  };\n}\n\nfunction repaint(target) {\n  return target.offsetWidth;\n}\n\nfunction calculateRealTime(animatingRect, fromRect, toRect, options) {\n  return Math.sqrt(Math.pow(fromRect.top - animatingRect.top, 2) + Math.pow(fromRect.left - animatingRect.left, 2)) / Math.sqrt(Math.pow(fromRect.top - toRect.top, 2) + Math.pow(fromRect.left - toRect.left, 2)) * options.animation;\n}\n\nvar plugins = [];\nvar defaults = {\n  initializeByDefault: true\n};\nvar PluginManager = {\n  mount: function mount(plugin) {\n    // Set default static properties\n    for (var option in defaults) {\n      if (defaults.hasOwnProperty(option) && !(option in plugin)) {\n        plugin[option] = defaults[option];\n      }\n    }\n\n    plugins.push(plugin);\n  },\n  pluginEvent: function pluginEvent(eventName, sortable, evt) {\n    var _this = this;\n\n    this.eventCanceled = false;\n\n    evt.cancel = function () {\n      _this.eventCanceled = true;\n    };\n\n    var eventNameGlobal = eventName + 'Global';\n    plugins.forEach(function (plugin) {\n      if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable\n\n      if (sortable[plugin.pluginName][eventNameGlobal]) {\n        sortable[plugin.pluginName][eventNameGlobal](_objectSpread({\n          sortable: sortable\n        }, evt));\n      } // Only fire plugin event if plugin is enabled in this sortable,\n      // and plugin has event defined\n\n\n      if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {\n        sortable[plugin.pluginName][eventName](_objectSpread({\n          sortable: sortable\n        }, evt));\n      }\n    });\n  },\n  initializePlugins: function initializePlugins(sortable, el, defaults, options) {\n    plugins.forEach(function (plugin) {\n      var pluginName = plugin.pluginName;\n      if (!sortable.options[pluginName] && !plugin.initializeByDefault) return;\n      var initialized = new plugin(sortable, el, sortable.options);\n      initialized.sortable = sortable;\n      initialized.options = sortable.options;\n      sortable[pluginName] = initialized; // Add default options from plugin\n\n      _extends(defaults, initialized.defaults);\n    });\n\n    for (var option in sortable.options) {\n      if (!sortable.options.hasOwnProperty(option)) continue;\n      var modified = this.modifyOption(sortable, option, sortable.options[option]);\n\n      if (typeof modified !== 'undefined') {\n        sortable.options[option] = modified;\n      }\n    }\n  },\n  getEventProperties: function getEventProperties(name, sortable) {\n    var eventProperties = {};\n    plugins.forEach(function (plugin) {\n      if (typeof plugin.eventProperties !== 'function') return;\n\n      _extends(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name));\n    });\n    return eventProperties;\n  },\n  modifyOption: function modifyOption(sortable, name, value) {\n    var modifiedValue;\n    plugins.forEach(function (plugin) {\n      // Plugin must exist on the Sortable\n      if (!sortable[plugin.pluginName]) return; // If static option listener exists for this option, call in the context of the Sortable's instance of this plugin\n\n      if (plugin.optionListeners && typeof plugin.optionListeners[name] === 'function') {\n        modifiedValue = plugin.optionListeners[name].call(sortable[plugin.pluginName], value);\n      }\n    });\n    return modifiedValue;\n  }\n};\n\nfunction dispatchEvent(_ref) {\n  var sortable = _ref.sortable,\n      rootEl = _ref.rootEl,\n      name = _ref.name,\n      targetEl = _ref.targetEl,\n      cloneEl = _ref.cloneEl,\n      toEl = _ref.toEl,\n      fromEl = _ref.fromEl,\n      oldIndex = _ref.oldIndex,\n      newIndex = _ref.newIndex,\n      oldDraggableIndex = _ref.oldDraggableIndex,\n      newDraggableIndex = _ref.newDraggableIndex,\n      originalEvent = _ref.originalEvent,\n      putSortable = _ref.putSortable,\n      extraEventProperties = _ref.extraEventProperties;\n  sortable = sortable || rootEl && rootEl[expando];\n  if (!sortable) return;\n  var evt,\n      options = sortable.options,\n      onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); // Support for new CustomEvent feature\n\n  if (window.CustomEvent && !IE11OrLess && !Edge) {\n    evt = new CustomEvent(name, {\n      bubbles: true,\n      cancelable: true\n    });\n  } else {\n    evt = document.createEvent('Event');\n    evt.initEvent(name, true, true);\n  }\n\n  evt.to = toEl || rootEl;\n  evt.from = fromEl || rootEl;\n  evt.item = targetEl || rootEl;\n  evt.clone = cloneEl;\n  evt.oldIndex = oldIndex;\n  evt.newIndex = newIndex;\n  evt.oldDraggableIndex = oldDraggableIndex;\n  evt.newDraggableIndex = newDraggableIndex;\n  evt.originalEvent = originalEvent;\n  evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;\n\n  var allEventProperties = _objectSpread({}, extraEventProperties, PluginManager.getEventProperties(name, sortable));\n\n  for (var option in allEventProperties) {\n    evt[option] = allEventProperties[option];\n  }\n\n  if (rootEl) {\n    rootEl.dispatchEvent(evt);\n  }\n\n  if (options[onName]) {\n    options[onName].call(sortable, evt);\n  }\n}\n\nvar pluginEvent = function pluginEvent(eventName, sortable) {\n  var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},\n      originalEvent = _ref.evt,\n      data = _objectWithoutProperties(_ref, [\"evt\"]);\n\n  PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread({\n    dragEl: dragEl,\n    parentEl: parentEl,\n    ghostEl: ghostEl,\n    rootEl: rootEl,\n    nextEl: nextEl,\n    lastDownEl: lastDownEl,\n    cloneEl: cloneEl,\n    cloneHidden: cloneHidden,\n    dragStarted: moved,\n    putSortable: putSortable,\n    activeSortable: Sortable.active,\n    originalEvent: originalEvent,\n    oldIndex: oldIndex,\n    oldDraggableIndex: oldDraggableIndex,\n    newIndex: newIndex,\n    newDraggableIndex: newDraggableIndex,\n    hideGhostForTarget: _hideGhostForTarget,\n    unhideGhostForTarget: _unhideGhostForTarget,\n    cloneNowHidden: function cloneNowHidden() {\n      cloneHidden = true;\n    },\n    cloneNowShown: function cloneNowShown() {\n      cloneHidden = false;\n    },\n    dispatchSortableEvent: function dispatchSortableEvent(name) {\n      _dispatchEvent({\n        sortable: sortable,\n        name: name,\n        originalEvent: originalEvent\n      });\n    }\n  }, data));\n};\n\nfunction _dispatchEvent(info) {\n  dispatchEvent(_objectSpread({\n    putSortable: putSortable,\n    cloneEl: cloneEl,\n    targetEl: dragEl,\n    rootEl: rootEl,\n    oldIndex: oldIndex,\n    oldDraggableIndex: oldDraggableIndex,\n    newIndex: newIndex,\n    newDraggableIndex: newDraggableIndex\n  }, info));\n}\n\nvar dragEl,\n    parentEl,\n    ghostEl,\n    rootEl,\n    nextEl,\n    lastDownEl,\n    cloneEl,\n    cloneHidden,\n    oldIndex,\n    newIndex,\n    oldDraggableIndex,\n    newDraggableIndex,\n    activeGroup,\n    putSortable,\n    awaitingDragStarted = false,\n    ignoreNextClick = false,\n    sortables = [],\n    tapEvt,\n    touchEvt,\n    lastDx,\n    lastDy,\n    tapDistanceLeft,\n    tapDistanceTop,\n    moved,\n    lastTarget,\n    lastDirection,\n    pastFirstInvertThresh = false,\n    isCircumstantialInvert = false,\n    targetMoveDistance,\n    // For positioning ghost absolutely\nghostRelativeParent,\n    ghostRelativeParentInitialScroll = [],\n    // (left, top)\n_silent = false,\n    savedInputChecked = [];\n/** @const */\n\nvar documentExists = typeof document !== 'undefined',\n    PositionGhostAbsolutely = IOS,\n    CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',\n    // This will not pass for IE9, because IE9 DnD only works on anchors\nsupportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),\n    supportCssPointerEvents = function () {\n  if (!documentExists) return; // false when <= IE11\n\n  if (IE11OrLess) {\n    return false;\n  }\n\n  var el = document.createElement('x');\n  el.style.cssText = 'pointer-events:auto';\n  return el.style.pointerEvents === 'auto';\n}(),\n    _detectDirection = function _detectDirection(el, options) {\n  var elCSS = css(el),\n      elWidth = parseInt(elCSS.width) - parseInt(elCSS.paddingLeft) - parseInt(elCSS.paddingRight) - parseInt(elCSS.borderLeftWidth) - parseInt(elCSS.borderRightWidth),\n      child1 = getChild(el, 0, options),\n      child2 = getChild(el, 1, options),\n      firstChildCSS = child1 && css(child1),\n      secondChildCSS = child2 && css(child2),\n      firstChildWidth = firstChildCSS && parseInt(firstChildCSS.marginLeft) + parseInt(firstChildCSS.marginRight) + getRect(child1).width,\n      secondChildWidth = secondChildCSS && parseInt(secondChildCSS.marginLeft) + parseInt(secondChildCSS.marginRight) + getRect(child2).width;\n\n  if (elCSS.display === 'flex') {\n    return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal';\n  }\n\n  if (elCSS.display === 'grid') {\n    return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';\n  }\n\n  if (child1 && firstChildCSS[\"float\"] && firstChildCSS[\"float\"] !== 'none') {\n    var touchingSideChild2 = firstChildCSS[\"float\"] === 'left' ? 'left' : 'right';\n    return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';\n  }\n\n  return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'flex' || firstChildCSS.display === 'table' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[CSSFloatProperty] === 'none' || child2 && elCSS[CSSFloatProperty] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal';\n},\n    _dragElInRowColumn = function _dragElInRowColumn(dragRect, targetRect, vertical) {\n  var dragElS1Opp = vertical ? dragRect.left : dragRect.top,\n      dragElS2Opp = vertical ? dragRect.right : dragRect.bottom,\n      dragElOppLength = vertical ? dragRect.width : dragRect.height,\n      targetS1Opp = vertical ? targetRect.left : targetRect.top,\n      targetS2Opp = vertical ? targetRect.right : targetRect.bottom,\n      targetOppLength = vertical ? targetRect.width : targetRect.height;\n  return dragElS1Opp === targetS1Opp || dragElS2Opp === targetS2Opp || dragElS1Opp + dragElOppLength / 2 === targetS1Opp + targetOppLength / 2;\n},\n\n/**\n * Detects first nearest empty sortable to X and Y position using emptyInsertThreshold.\n * @param  {Number} x      X position\n * @param  {Number} y      Y position\n * @return {HTMLElement}   Element of the first found nearest Sortable\n */\n_detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {\n  var ret;\n  sortables.some(function (sortable) {\n    if (lastChild(sortable)) return;\n    var rect = getRect(sortable),\n        threshold = sortable[expando].options.emptyInsertThreshold,\n        insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold,\n        insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold;\n\n    if (threshold && insideHorizontally && insideVertically) {\n      return ret = sortable;\n    }\n  });\n  return ret;\n},\n    _prepareGroup = function _prepareGroup(options) {\n  function toFn(value, pull) {\n    return function (to, from, dragEl, evt) {\n      var sameGroup = to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name;\n\n      if (value == null && (pull || sameGroup)) {\n        // Default pull value\n        // Default pull and put value if same group\n        return true;\n      } else if (value == null || value === false) {\n        return false;\n      } else if (pull && value === 'clone') {\n        return value;\n      } else if (typeof value === 'function') {\n        return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt);\n      } else {\n        var otherGroup = (pull ? to : from).options.group.name;\n        return value === true || typeof value === 'string' && value === otherGroup || value.join && value.indexOf(otherGroup) > -1;\n      }\n    };\n  }\n\n  var group = {};\n  var originalGroup = options.group;\n\n  if (!originalGroup || _typeof(originalGroup) != 'object') {\n    originalGroup = {\n      name: originalGroup\n    };\n  }\n\n  group.name = originalGroup.name;\n  group.checkPull = toFn(originalGroup.pull, true);\n  group.checkPut = toFn(originalGroup.put);\n  group.revertClone = originalGroup.revertClone;\n  options.group = group;\n},\n    _hideGhostForTarget = function _hideGhostForTarget() {\n  if (!supportCssPointerEvents && ghostEl) {\n    css(ghostEl, 'display', 'none');\n  }\n},\n    _unhideGhostForTarget = function _unhideGhostForTarget() {\n  if (!supportCssPointerEvents && ghostEl) {\n    css(ghostEl, 'display', '');\n  }\n}; // #1184 fix - Prevent click event on fallback if dragged but item not changed position\n\n\nif (documentExists) {\n  document.addEventListener('click', function (evt) {\n    if (ignoreNextClick) {\n      evt.preventDefault();\n      evt.stopPropagation && evt.stopPropagation();\n      evt.stopImmediatePropagation && evt.stopImmediatePropagation();\n      ignoreNextClick = false;\n      return false;\n    }\n  }, true);\n}\n\nvar nearestEmptyInsertDetectEvent = function nearestEmptyInsertDetectEvent(evt) {\n  if (dragEl) {\n    evt = evt.touches ? evt.touches[0] : evt;\n\n    var nearest = _detectNearestEmptySortable(evt.clientX, evt.clientY);\n\n    if (nearest) {\n      // Create imitation event\n      var event = {};\n\n      for (var i in evt) {\n        if (evt.hasOwnProperty(i)) {\n          event[i] = evt[i];\n        }\n      }\n\n      event.target = event.rootEl = nearest;\n      event.preventDefault = void 0;\n      event.stopPropagation = void 0;\n\n      nearest[expando]._onDragOver(event);\n    }\n  }\n};\n\nvar _checkOutsideTargetEl = function _checkOutsideTargetEl(evt) {\n  if (dragEl) {\n    dragEl.parentNode[expando]._isOutsideThisEl(evt.target);\n  }\n};\n/**\n * @class  Sortable\n * @param  {HTMLElement}  el\n * @param  {Object}       [options]\n */\n\n\nfunction Sortable(el, options) {\n  if (!(el && el.nodeType && el.nodeType === 1)) {\n    throw \"Sortable: `el` must be an HTMLElement, not \".concat({}.toString.call(el));\n  }\n\n  this.el = el; // root element\n\n  this.options = options = _extends({}, options); // Export instance\n\n  el[expando] = this;\n  var defaults = {\n    group: null,\n    sort: true,\n    disabled: false,\n    store: null,\n    handle: null,\n    draggable: /^[uo]l$/i.test(el.nodeName) ? '>li' : '>*',\n    swapThreshold: 1,\n    // percentage; 0 <= x <= 1\n    invertSwap: false,\n    // invert always\n    invertedSwapThreshold: null,\n    // will be set to same as swapThreshold if default\n    removeCloneOnHide: true,\n    direction: function direction() {\n      return _detectDirection(el, this.options);\n    },\n    ghostClass: 'sortable-ghost',\n    chosenClass: 'sortable-chosen',\n    dragClass: 'sortable-drag',\n    ignore: 'a, img',\n    filter: null,\n    preventOnFilter: true,\n    animation: 0,\n    easing: null,\n    setData: function setData(dataTransfer, dragEl) {\n      dataTransfer.setData('Text', dragEl.textContent);\n    },\n    dropBubble: false,\n    dragoverBubble: false,\n    dataIdAttr: 'data-id',\n    delay: 0,\n    delayOnTouchOnly: false,\n    touchStartThreshold: (Number.parseInt ? Number : window).parseInt(window.devicePixelRatio, 10) || 1,\n    forceFallback: false,\n    fallbackClass: 'sortable-fallback',\n    fallbackOnBody: false,\n    fallbackTolerance: 0,\n    fallbackOffset: {\n      x: 0,\n      y: 0\n    },\n    supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window,\n    emptyInsertThreshold: 5\n  };\n  PluginManager.initializePlugins(this, el, defaults); // Set default options\n\n  for (var name in defaults) {\n    !(name in options) && (options[name] = defaults[name]);\n  }\n\n  _prepareGroup(options); // Bind all private methods\n\n\n  for (var fn in this) {\n    if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {\n      this[fn] = this[fn].bind(this);\n    }\n  } // Setup drag mode\n\n\n  this.nativeDraggable = options.forceFallback ? false : supportDraggable;\n\n  if (this.nativeDraggable) {\n    // Touch start threshold cannot be greater than the native dragstart threshold\n    this.options.touchStartThreshold = 1;\n  } // Bind events\n\n\n  if (options.supportPointer) {\n    on(el, 'pointerdown', this._onTapStart);\n  } else {\n    on(el, 'mousedown', this._onTapStart);\n    on(el, 'touchstart', this._onTapStart);\n  }\n\n  if (this.nativeDraggable) {\n    on(el, 'dragover', this);\n    on(el, 'dragenter', this);\n  }\n\n  sortables.push(this.el); // Restore sorting\n\n  options.store && options.store.get && this.sort(options.store.get(this) || []); // Add animation state manager\n\n  _extends(this, AnimationStateManager());\n}\n\nSortable.prototype =\n/** @lends Sortable.prototype */\n{\n  constructor: Sortable,\n  _isOutsideThisEl: function _isOutsideThisEl(target) {\n    if (!this.el.contains(target) && target !== this.el) {\n      lastTarget = null;\n    }\n  },\n  _getDirection: function _getDirection(evt, target) {\n    return typeof this.options.direction === 'function' ? this.options.direction.call(this, evt, target, dragEl) : this.options.direction;\n  },\n  _onTapStart: function _onTapStart(\n  /** Event|TouchEvent */\n  evt) {\n    if (!evt.cancelable) return;\n\n    var _this = this,\n        el = this.el,\n        options = this.options,\n        preventOnFilter = options.preventOnFilter,\n        type = evt.type,\n        touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,\n        target = (touch || evt).target,\n        originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,\n        filter = options.filter;\n\n    _saveInputCheckedState(el); // Don't trigger start event when an element is been dragged, otherwise the evt.oldindex always wrong when set option.group.\n\n\n    if (dragEl) {\n      return;\n    }\n\n    if (/mousedown|pointerdown/.test(type) && evt.button !== 0 || options.disabled) {\n      return; // only left button and enabled\n    } // cancel dnd if original target is content editable\n\n\n    if (originalTarget.isContentEditable) {\n      return;\n    }\n\n    target = closest(target, options.draggable, el, false);\n\n    if (target && target.animated) {\n      return;\n    }\n\n    if (lastDownEl === target) {\n      // Ignoring duplicate `down`\n      return;\n    } // Get the index of the dragged element within its parent\n\n\n    oldIndex = index(target);\n    oldDraggableIndex = index(target, options.draggable); // Check filter\n\n    if (typeof filter === 'function') {\n      if (filter.call(this, evt, target, this)) {\n        _dispatchEvent({\n          sortable: _this,\n          rootEl: originalTarget,\n          name: 'filter',\n          targetEl: target,\n          toEl: el,\n          fromEl: el\n        });\n\n        pluginEvent('filter', _this, {\n          evt: evt\n        });\n        preventOnFilter && evt.cancelable && evt.preventDefault();\n        return; // cancel dnd\n      }\n    } else if (filter) {\n      filter = filter.split(',').some(function (criteria) {\n        criteria = closest(originalTarget, criteria.trim(), el, false);\n\n        if (criteria) {\n          _dispatchEvent({\n            sortable: _this,\n            rootEl: criteria,\n            name: 'filter',\n            targetEl: target,\n            fromEl: el,\n            toEl: el\n          });\n\n          pluginEvent('filter', _this, {\n            evt: evt\n          });\n          return true;\n        }\n      });\n\n      if (filter) {\n        preventOnFilter && evt.cancelable && evt.preventDefault();\n        return; // cancel dnd\n      }\n    }\n\n    if (options.handle && !closest(originalTarget, options.handle, el, false)) {\n      return;\n    } // Prepare `dragstart`\n\n\n    this._prepareDragStart(evt, touch, target);\n  },\n  _prepareDragStart: function _prepareDragStart(\n  /** Event */\n  evt,\n  /** Touch */\n  touch,\n  /** HTMLElement */\n  target) {\n    var _this = this,\n        el = _this.el,\n        options = _this.options,\n        ownerDocument = el.ownerDocument,\n        dragStartFn;\n\n    if (target && !dragEl && target.parentNode === el) {\n      var dragRect = getRect(target);\n      rootEl = el;\n      dragEl = target;\n      parentEl = dragEl.parentNode;\n      nextEl = dragEl.nextSibling;\n      lastDownEl = target;\n      activeGroup = options.group;\n      Sortable.dragged = dragEl;\n      tapEvt = {\n        target: dragEl,\n        clientX: (touch || evt).clientX,\n        clientY: (touch || evt).clientY\n      };\n      tapDistanceLeft = tapEvt.clientX - dragRect.left;\n      tapDistanceTop = tapEvt.clientY - dragRect.top;\n      this._lastX = (touch || evt).clientX;\n      this._lastY = (touch || evt).clientY;\n      dragEl.style['will-change'] = 'all';\n\n      dragStartFn = function dragStartFn() {\n        pluginEvent('delayEnded', _this, {\n          evt: evt\n        });\n\n        if (Sortable.eventCanceled) {\n          _this._onDrop();\n\n          return;\n        } // Delayed drag has been triggered\n        // we can re-enable the events: touchmove/mousemove\n\n\n        _this._disableDelayedDragEvents();\n\n        if (!FireFox && _this.nativeDraggable) {\n          dragEl.draggable = true;\n        } // Bind the events: dragstart/dragend\n\n\n        _this._triggerDragStart(evt, touch); // Drag start event\n\n\n        _dispatchEvent({\n          sortable: _this,\n          name: 'choose',\n          originalEvent: evt\n        }); // Chosen item\n\n\n        toggleClass(dragEl, options.chosenClass, true);\n      }; // Disable \"draggable\"\n\n\n      options.ignore.split(',').forEach(function (criteria) {\n        find(dragEl, criteria.trim(), _disableDraggable);\n      });\n      on(ownerDocument, 'dragover', nearestEmptyInsertDetectEvent);\n      on(ownerDocument, 'mousemove', nearestEmptyInsertDetectEvent);\n      on(ownerDocument, 'touchmove', nearestEmptyInsertDetectEvent);\n      on(ownerDocument, 'mouseup', _this._onDrop);\n      on(ownerDocument, 'touchend', _this._onDrop);\n      on(ownerDocument, 'touchcancel', _this._onDrop); // Make dragEl draggable (must be before delay for FireFox)\n\n      if (FireFox && this.nativeDraggable) {\n        this.options.touchStartThreshold = 4;\n        dragEl.draggable = true;\n      }\n\n      pluginEvent('delayStart', this, {\n        evt: evt\n      }); // Delay is impossible for native DnD in Edge or IE\n\n      if (options.delay && (!options.delayOnTouchOnly || touch) && (!this.nativeDraggable || !(Edge || IE11OrLess))) {\n        if (Sortable.eventCanceled) {\n          this._onDrop();\n\n          return;\n        } // If the user moves the pointer or let go the click or touch\n        // before the delay has been reached:\n        // disable the delayed drag\n\n\n        on(ownerDocument, 'mouseup', _this._disableDelayedDrag);\n        on(ownerDocument, 'touchend', _this._disableDelayedDrag);\n        on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);\n        on(ownerDocument, 'mousemove', _this._delayedDragTouchMoveHandler);\n        on(ownerDocument, 'touchmove', _this._delayedDragTouchMoveHandler);\n        options.supportPointer && on(ownerDocument, 'pointermove', _this._delayedDragTouchMoveHandler);\n        _this._dragStartTimer = setTimeout(dragStartFn, options.delay);\n      } else {\n        dragStartFn();\n      }\n    }\n  },\n  _delayedDragTouchMoveHandler: function _delayedDragTouchMoveHandler(\n  /** TouchEvent|PointerEvent **/\n  e) {\n    var touch = e.touches ? e.touches[0] : e;\n\n    if (Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) >= Math.floor(this.options.touchStartThreshold / (this.nativeDraggable && window.devicePixelRatio || 1))) {\n      this._disableDelayedDrag();\n    }\n  },\n  _disableDelayedDrag: function _disableDelayedDrag() {\n    dragEl && _disableDraggable(dragEl);\n    clearTimeout(this._dragStartTimer);\n\n    this._disableDelayedDragEvents();\n  },\n  _disableDelayedDragEvents: function _disableDelayedDragEvents() {\n    var ownerDocument = this.el.ownerDocument;\n    off(ownerDocument, 'mouseup', this._disableDelayedDrag);\n    off(ownerDocument, 'touchend', this._disableDelayedDrag);\n    off(ownerDocument, 'touchcancel', this._disableDelayedDrag);\n    off(ownerDocument, 'mousemove', this._delayedDragTouchMoveHandler);\n    off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);\n    off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);\n  },\n  _triggerDragStart: function _triggerDragStart(\n  /** Event */\n  evt,\n  /** Touch */\n  touch) {\n    touch = touch || evt.pointerType == 'touch' && evt;\n\n    if (!this.nativeDraggable || touch) {\n      if (this.options.supportPointer) {\n        on(document, 'pointermove', this._onTouchMove);\n      } else if (touch) {\n        on(document, 'touchmove', this._onTouchMove);\n      } else {\n        on(document, 'mousemove', this._onTouchMove);\n      }\n    } else {\n      on(dragEl, 'dragend', this);\n      on(rootEl, 'dragstart', this._onDragStart);\n    }\n\n    try {\n      if (document.selection) {\n        // Timeout neccessary for IE9\n        _nextTick(function () {\n          document.selection.empty();\n        });\n      } else {\n        window.getSelection().removeAllRanges();\n      }\n    } catch (err) {}\n  },\n  _dragStarted: function _dragStarted(fallback, evt) {\n\n    awaitingDragStarted = false;\n\n    if (rootEl && dragEl) {\n      pluginEvent('dragStarted', this, {\n        evt: evt\n      });\n\n      if (this.nativeDraggable) {\n        on(document, 'dragover', _checkOutsideTargetEl);\n      }\n\n      var options = this.options; // Apply effect\n\n      !fallback && toggleClass(dragEl, options.dragClass, false);\n      toggleClass(dragEl, options.ghostClass, true);\n      Sortable.active = this;\n      fallback && this._appendGhost(); // Drag start event\n\n      _dispatchEvent({\n        sortable: this,\n        name: 'start',\n        originalEvent: evt\n      });\n    } else {\n      this._nulling();\n    }\n  },\n  _emulateDragOver: function _emulateDragOver() {\n    if (touchEvt) {\n      this._lastX = touchEvt.clientX;\n      this._lastY = touchEvt.clientY;\n\n      _hideGhostForTarget();\n\n      var target = document.elementFromPoint(touchEvt.clientX, touchEvt.clientY);\n      var parent = target;\n\n      while (target && target.shadowRoot) {\n        target = target.shadowRoot.elementFromPoint(touchEvt.clientX, touchEvt.clientY);\n        if (target === parent) break;\n        parent = target;\n      }\n\n      dragEl.parentNode[expando]._isOutsideThisEl(target);\n\n      if (parent) {\n        do {\n          if (parent[expando]) {\n            var inserted = void 0;\n            inserted = parent[expando]._onDragOver({\n              clientX: touchEvt.clientX,\n              clientY: touchEvt.clientY,\n              target: target,\n              rootEl: parent\n            });\n\n            if (inserted && !this.options.dragoverBubble) {\n              break;\n            }\n          }\n\n          target = parent; // store last element\n        }\n        /* jshint boss:true */\n        while (parent = parent.parentNode);\n      }\n\n      _unhideGhostForTarget();\n    }\n  },\n  _onTouchMove: function _onTouchMove(\n  /**TouchEvent*/\n  evt) {\n    if (tapEvt) {\n      var options = this.options,\n          fallbackTolerance = options.fallbackTolerance,\n          fallbackOffset = options.fallbackOffset,\n          touch = evt.touches ? evt.touches[0] : evt,\n          ghostMatrix = ghostEl && matrix(ghostEl),\n          scaleX = ghostEl && ghostMatrix && ghostMatrix.a,\n          scaleY = ghostEl && ghostMatrix && ghostMatrix.d,\n          relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),\n          dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),\n          dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1); // only set the status to dragging, when we are actually dragging\n\n      if (!Sortable.active && !awaitingDragStarted) {\n        if (fallbackTolerance && Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) < fallbackTolerance) {\n          return;\n        }\n\n        this._onDragStart(evt, true);\n      }\n\n      if (ghostEl) {\n        if (ghostMatrix) {\n          ghostMatrix.e += dx - (lastDx || 0);\n          ghostMatrix.f += dy - (lastDy || 0);\n        } else {\n          ghostMatrix = {\n            a: 1,\n            b: 0,\n            c: 0,\n            d: 1,\n            e: dx,\n            f: dy\n          };\n        }\n\n        var cssMatrix = \"matrix(\".concat(ghostMatrix.a, \",\").concat(ghostMatrix.b, \",\").concat(ghostMatrix.c, \",\").concat(ghostMatrix.d, \",\").concat(ghostMatrix.e, \",\").concat(ghostMatrix.f, \")\");\n        css(ghostEl, 'webkitTransform', cssMatrix);\n        css(ghostEl, 'mozTransform', cssMatrix);\n        css(ghostEl, 'msTransform', cssMatrix);\n        css(ghostEl, 'transform', cssMatrix);\n        lastDx = dx;\n        lastDy = dy;\n        touchEvt = touch;\n      }\n\n      evt.cancelable && evt.preventDefault();\n    }\n  },\n  _appendGhost: function _appendGhost() {\n    // Bug if using scale(): https://stackoverflow.com/questions/2637058\n    // Not being adjusted for\n    if (!ghostEl) {\n      var container = this.options.fallbackOnBody ? document.body : rootEl,\n          rect = getRect(dragEl, true, PositionGhostAbsolutely, true, container),\n          options = this.options; // Position absolutely\n\n      if (PositionGhostAbsolutely) {\n        // Get relatively positioned parent\n        ghostRelativeParent = container;\n\n        while (css(ghostRelativeParent, 'position') === 'static' && css(ghostRelativeParent, 'transform') === 'none' && ghostRelativeParent !== document) {\n          ghostRelativeParent = ghostRelativeParent.parentNode;\n        }\n\n        if (ghostRelativeParent !== document.body && ghostRelativeParent !== document.documentElement) {\n          if (ghostRelativeParent === document) ghostRelativeParent = getWindowScrollingElement();\n          rect.top += ghostRelativeParent.scrollTop;\n          rect.left += ghostRelativeParent.scrollLeft;\n        } else {\n          ghostRelativeParent = getWindowScrollingElement();\n        }\n\n        ghostRelativeParentInitialScroll = getRelativeScrollOffset(ghostRelativeParent);\n      }\n\n      ghostEl = dragEl.cloneNode(true);\n      toggleClass(ghostEl, options.ghostClass, false);\n      toggleClass(ghostEl, options.fallbackClass, true);\n      toggleClass(ghostEl, options.dragClass, true);\n      css(ghostEl, 'transition', '');\n      css(ghostEl, 'transform', '');\n      css(ghostEl, 'box-sizing', 'border-box');\n      css(ghostEl, 'margin', 0);\n      css(ghostEl, 'top', rect.top);\n      css(ghostEl, 'left', rect.left);\n      css(ghostEl, 'width', rect.width);\n      css(ghostEl, 'height', rect.height);\n      css(ghostEl, 'opacity', '0.8');\n      css(ghostEl, 'position', PositionGhostAbsolutely ? 'absolute' : 'fixed');\n      css(ghostEl, 'zIndex', '100000');\n      css(ghostEl, 'pointerEvents', 'none');\n      Sortable.ghost = ghostEl;\n      container.appendChild(ghostEl); // Set transform-origin\n\n      css(ghostEl, 'transform-origin', tapDistanceLeft / parseInt(ghostEl.style.width) * 100 + '% ' + tapDistanceTop / parseInt(ghostEl.style.height) * 100 + '%');\n    }\n  },\n  _onDragStart: function _onDragStart(\n  /**Event*/\n  evt,\n  /**boolean*/\n  fallback) {\n    var _this = this;\n\n    var dataTransfer = evt.dataTransfer;\n    var options = _this.options;\n    pluginEvent('dragStart', this, {\n      evt: evt\n    });\n\n    if (Sortable.eventCanceled) {\n      this._onDrop();\n\n      return;\n    }\n\n    pluginEvent('setupClone', this);\n\n    if (!Sortable.eventCanceled) {\n      cloneEl = clone(dragEl);\n      cloneEl.draggable = false;\n      cloneEl.style['will-change'] = '';\n\n      this._hideClone();\n\n      toggleClass(cloneEl, this.options.chosenClass, false);\n      Sortable.clone = cloneEl;\n    } // #1143: IFrame support workaround\n\n\n    _this.cloneId = _nextTick(function () {\n      pluginEvent('clone', _this);\n      if (Sortable.eventCanceled) return;\n\n      if (!_this.options.removeCloneOnHide) {\n        rootEl.insertBefore(cloneEl, dragEl);\n      }\n\n      _this._hideClone();\n\n      _dispatchEvent({\n        sortable: _this,\n        name: 'clone'\n      });\n    });\n    !fallback && toggleClass(dragEl, options.dragClass, true); // Set proper drop events\n\n    if (fallback) {\n      ignoreNextClick = true;\n      _this._loopId = setInterval(_this._emulateDragOver, 50);\n    } else {\n      // Undo what was set in _prepareDragStart before drag started\n      off(document, 'mouseup', _this._onDrop);\n      off(document, 'touchend', _this._onDrop);\n      off(document, 'touchcancel', _this._onDrop);\n\n      if (dataTransfer) {\n        dataTransfer.effectAllowed = 'move';\n        options.setData && options.setData.call(_this, dataTransfer, dragEl);\n      }\n\n      on(document, 'drop', _this); // #1276 fix:\n\n      css(dragEl, 'transform', 'translateZ(0)');\n    }\n\n    awaitingDragStarted = true;\n    _this._dragStartId = _nextTick(_this._dragStarted.bind(_this, fallback, evt));\n    on(document, 'selectstart', _this);\n    moved = true;\n\n    if (Safari) {\n      css(document.body, 'user-select', 'none');\n    }\n  },\n  // Returns true - if no further action is needed (either inserted or another condition)\n  _onDragOver: function _onDragOver(\n  /**Event*/\n  evt) {\n    var el = this.el,\n        target = evt.target,\n        dragRect,\n        targetRect,\n        revert,\n        options = this.options,\n        group = options.group,\n        activeSortable = Sortable.active,\n        isOwner = activeGroup === group,\n        canSort = options.sort,\n        fromSortable = putSortable || activeSortable,\n        vertical,\n        _this = this,\n        completedFired = false;\n\n    if (_silent) return;\n\n    function dragOverEvent(name, extra) {\n      pluginEvent(name, _this, _objectSpread({\n        evt: evt,\n        isOwner: isOwner,\n        axis: vertical ? 'vertical' : 'horizontal',\n        revert: revert,\n        dragRect: dragRect,\n        targetRect: targetRect,\n        canSort: canSort,\n        fromSortable: fromSortable,\n        target: target,\n        completed: completed,\n        onMove: function onMove(target, after) {\n          return _onMove(rootEl, el, dragEl, dragRect, target, getRect(target), evt, after);\n        },\n        changed: changed\n      }, extra));\n    } // Capture animation state\n\n\n    function capture() {\n      dragOverEvent('dragOverAnimationCapture');\n\n      _this.captureAnimationState();\n\n      if (_this !== fromSortable) {\n        fromSortable.captureAnimationState();\n      }\n    } // Return invocation when dragEl is inserted (or completed)\n\n\n    function completed(insertion) {\n      dragOverEvent('dragOverCompleted', {\n        insertion: insertion\n      });\n\n      if (insertion) {\n        // Clones must be hidden before folding animation to capture dragRectAbsolute properly\n        if (isOwner) {\n          activeSortable._hideClone();\n        } else {\n          activeSortable._showClone(_this);\n        }\n\n        if (_this !== fromSortable) {\n          // Set ghost class to new sortable's ghost class\n          toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : activeSortable.options.ghostClass, false);\n          toggleClass(dragEl, options.ghostClass, true);\n        }\n\n        if (putSortable !== _this && _this !== Sortable.active) {\n          putSortable = _this;\n        } else if (_this === Sortable.active && putSortable) {\n          putSortable = null;\n        } // Animation\n\n\n        if (fromSortable === _this) {\n          _this._ignoreWhileAnimating = target;\n        }\n\n        _this.animateAll(function () {\n          dragOverEvent('dragOverAnimationComplete');\n          _this._ignoreWhileAnimating = null;\n        });\n\n        if (_this !== fromSortable) {\n          fromSortable.animateAll();\n          fromSortable._ignoreWhileAnimating = null;\n        }\n      } // Null lastTarget if it is not inside a previously swapped element\n\n\n      if (target === dragEl && !dragEl.animated || target === el && !target.animated) {\n        lastTarget = null;\n      } // no bubbling and not fallback\n\n\n      if (!options.dragoverBubble && !evt.rootEl && target !== document) {\n        dragEl.parentNode[expando]._isOutsideThisEl(evt.target); // Do not detect for empty insert if already inserted\n\n\n        !insertion && nearestEmptyInsertDetectEvent(evt);\n      }\n\n      !options.dragoverBubble && evt.stopPropagation && evt.stopPropagation();\n      return completedFired = true;\n    } // Call when dragEl has been inserted\n\n\n    function changed() {\n      newIndex = index(dragEl);\n      newDraggableIndex = index(dragEl, options.draggable);\n\n      _dispatchEvent({\n        sortable: _this,\n        name: 'change',\n        toEl: el,\n        newIndex: newIndex,\n        newDraggableIndex: newDraggableIndex,\n        originalEvent: evt\n      });\n    }\n\n    if (evt.preventDefault !== void 0) {\n      evt.cancelable && evt.preventDefault();\n    }\n\n    target = closest(target, options.draggable, el, true);\n    dragOverEvent('dragOver');\n    if (Sortable.eventCanceled) return completedFired;\n\n    if (dragEl.contains(evt.target) || target.animated && target.animatingX && target.animatingY || _this._ignoreWhileAnimating === target) {\n      return completed(false);\n    }\n\n    ignoreNextClick = false;\n\n    if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list\n    : putSortable === this || (this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt))) {\n      vertical = this._getDirection(evt, target) === 'vertical';\n      dragRect = getRect(dragEl);\n      dragOverEvent('dragOverValid');\n      if (Sortable.eventCanceled) return completedFired;\n\n      if (revert) {\n        parentEl = rootEl; // actualization\n\n        capture();\n\n        this._hideClone();\n\n        dragOverEvent('revert');\n\n        if (!Sortable.eventCanceled) {\n          if (nextEl) {\n            rootEl.insertBefore(dragEl, nextEl);\n          } else {\n            rootEl.appendChild(dragEl);\n          }\n        }\n\n        return completed(true);\n      }\n\n      var elLastChild = lastChild(el, options.draggable);\n\n      if (!elLastChild || _ghostIsLast(evt, vertical, this) && !elLastChild.animated) {\n        // If already at end of list: Do not insert\n        if (elLastChild === dragEl) {\n          return completed(false);\n        } // assign target only if condition is true\n\n\n        if (elLastChild && el === evt.target) {\n          target = elLastChild;\n        }\n\n        if (target) {\n          targetRect = getRect(target);\n        }\n\n        if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {\n          capture();\n          el.appendChild(dragEl);\n          parentEl = el; // actualization\n\n          changed();\n          return completed(true);\n        }\n      } else if (target.parentNode === el) {\n        targetRect = getRect(target);\n        var direction = 0,\n            targetBeforeFirstSwap,\n            differentLevel = dragEl.parentNode !== el,\n            differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),\n            side1 = vertical ? 'top' : 'left',\n            scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),\n            scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;\n\n        if (lastTarget !== target) {\n          targetBeforeFirstSwap = targetRect[side1];\n          pastFirstInvertThresh = false;\n          isCircumstantialInvert = !differentRowCol && options.invertSwap || differentLevel;\n        }\n\n        direction = _getSwapDirection(evt, target, targetRect, vertical, differentRowCol ? 1 : options.swapThreshold, options.invertedSwapThreshold == null ? options.swapThreshold : options.invertedSwapThreshold, isCircumstantialInvert, lastTarget === target);\n        var sibling;\n\n        if (direction !== 0) {\n          // Check if target is beside dragEl in respective direction (ignoring hidden elements)\n          var dragIndex = index(dragEl);\n\n          do {\n            dragIndex -= direction;\n            sibling = parentEl.children[dragIndex];\n          } while (sibling && (css(sibling, 'display') === 'none' || sibling === ghostEl));\n        } // If dragEl is already beside target: Do not insert\n\n\n        if (direction === 0 || sibling === target) {\n          return completed(false);\n        }\n\n        lastTarget = target;\n        lastDirection = direction;\n        var nextSibling = target.nextElementSibling,\n            after = false;\n        after = direction === 1;\n\n        var moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, after);\n\n        if (moveVector !== false) {\n          if (moveVector === 1 || moveVector === -1) {\n            after = moveVector === 1;\n          }\n\n          _silent = true;\n          setTimeout(_unsilent, 30);\n          capture();\n\n          if (after && !nextSibling) {\n            el.appendChild(dragEl);\n          } else {\n            target.parentNode.insertBefore(dragEl, after ? nextSibling : target);\n          } // Undo chrome's scroll adjustment (has no effect on other browsers)\n\n\n          if (scrolledPastTop) {\n            scrollBy(scrolledPastTop, 0, scrollBefore - scrolledPastTop.scrollTop);\n          }\n\n          parentEl = dragEl.parentNode; // actualization\n          // must be done before animation\n\n          if (targetBeforeFirstSwap !== undefined && !isCircumstantialInvert) {\n            targetMoveDistance = Math.abs(targetBeforeFirstSwap - getRect(target)[side1]);\n          }\n\n          changed();\n          return completed(true);\n        }\n      }\n\n      if (el.contains(dragEl)) {\n        return completed(false);\n      }\n    }\n\n    return false;\n  },\n  _ignoreWhileAnimating: null,\n  _offMoveEvents: function _offMoveEvents() {\n    off(document, 'mousemove', this._onTouchMove);\n    off(document, 'touchmove', this._onTouchMove);\n    off(document, 'pointermove', this._onTouchMove);\n    off(document, 'dragover', nearestEmptyInsertDetectEvent);\n    off(document, 'mousemove', nearestEmptyInsertDetectEvent);\n    off(document, 'touchmove', nearestEmptyInsertDetectEvent);\n  },\n  _offUpEvents: function _offUpEvents() {\n    var ownerDocument = this.el.ownerDocument;\n    off(ownerDocument, 'mouseup', this._onDrop);\n    off(ownerDocument, 'touchend', this._onDrop);\n    off(ownerDocument, 'pointerup', this._onDrop);\n    off(ownerDocument, 'touchcancel', this._onDrop);\n    off(document, 'selectstart', this);\n  },\n  _onDrop: function _onDrop(\n  /**Event*/\n  evt) {\n    var el = this.el,\n        options = this.options; // Get the index of the dragged element within its parent\n\n    newIndex = index(dragEl);\n    newDraggableIndex = index(dragEl, options.draggable);\n    pluginEvent('drop', this, {\n      evt: evt\n    });\n    parentEl = dragEl && dragEl.parentNode; // Get again after plugin event\n\n    newIndex = index(dragEl);\n    newDraggableIndex = index(dragEl, options.draggable);\n\n    if (Sortable.eventCanceled) {\n      this._nulling();\n\n      return;\n    }\n\n    awaitingDragStarted = false;\n    isCircumstantialInvert = false;\n    pastFirstInvertThresh = false;\n    clearInterval(this._loopId);\n    clearTimeout(this._dragStartTimer);\n\n    _cancelNextTick(this.cloneId);\n\n    _cancelNextTick(this._dragStartId); // Unbind events\n\n\n    if (this.nativeDraggable) {\n      off(document, 'drop', this);\n      off(el, 'dragstart', this._onDragStart);\n    }\n\n    this._offMoveEvents();\n\n    this._offUpEvents();\n\n    if (Safari) {\n      css(document.body, 'user-select', '');\n    }\n\n    if (evt) {\n      if (moved) {\n        evt.cancelable && evt.preventDefault();\n        !options.dropBubble && evt.stopPropagation();\n      }\n\n      ghostEl && ghostEl.parentNode && ghostEl.parentNode.removeChild(ghostEl);\n\n      if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {\n        // Remove clone(s)\n        cloneEl && cloneEl.parentNode && cloneEl.parentNode.removeChild(cloneEl);\n      }\n\n      if (dragEl) {\n        if (this.nativeDraggable) {\n          off(dragEl, 'dragend', this);\n        }\n\n        _disableDraggable(dragEl);\n\n        dragEl.style['will-change'] = ''; // Remove classes\n        // ghostClass is added in dragStarted\n\n        if (moved && !awaitingDragStarted) {\n          toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : this.options.ghostClass, false);\n        }\n\n        toggleClass(dragEl, this.options.chosenClass, false); // Drag stop event\n\n        _dispatchEvent({\n          sortable: this,\n          name: 'unchoose',\n          toEl: parentEl,\n          newIndex: null,\n          newDraggableIndex: null,\n          originalEvent: evt\n        });\n\n        if (rootEl !== parentEl) {\n          if (newIndex >= 0) {\n            // Add event\n            _dispatchEvent({\n              rootEl: parentEl,\n              name: 'add',\n              toEl: parentEl,\n              fromEl: rootEl,\n              originalEvent: evt\n            }); // Remove event\n\n\n            _dispatchEvent({\n              sortable: this,\n              name: 'remove',\n              toEl: parentEl,\n              originalEvent: evt\n            }); // drag from one list and drop into another\n\n\n            _dispatchEvent({\n              rootEl: parentEl,\n              name: 'sort',\n              toEl: parentEl,\n              fromEl: rootEl,\n              originalEvent: evt\n            });\n\n            _dispatchEvent({\n              sortable: this,\n              name: 'sort',\n              toEl: parentEl,\n              originalEvent: evt\n            });\n          }\n\n          putSortable && putSortable.save();\n        } else {\n          if (newIndex !== oldIndex) {\n            if (newIndex >= 0) {\n              // drag & drop within the same list\n              _dispatchEvent({\n                sortable: this,\n                name: 'update',\n                toEl: parentEl,\n                originalEvent: evt\n              });\n\n              _dispatchEvent({\n                sortable: this,\n                name: 'sort',\n                toEl: parentEl,\n                originalEvent: evt\n              });\n            }\n          }\n        }\n\n        if (Sortable.active) {\n          /* jshint eqnull:true */\n          if (newIndex == null || newIndex === -1) {\n            newIndex = oldIndex;\n            newDraggableIndex = oldDraggableIndex;\n          }\n\n          _dispatchEvent({\n            sortable: this,\n            name: 'end',\n            toEl: parentEl,\n            originalEvent: evt\n          }); // Save sorting\n\n\n          this.save();\n        }\n      }\n    }\n\n    this._nulling();\n  },\n  _nulling: function _nulling() {\n    pluginEvent('nulling', this);\n    rootEl = dragEl = parentEl = ghostEl = nextEl = cloneEl = lastDownEl = cloneHidden = tapEvt = touchEvt = moved = newIndex = newDraggableIndex = oldIndex = oldDraggableIndex = lastTarget = lastDirection = putSortable = activeGroup = Sortable.dragged = Sortable.ghost = Sortable.clone = Sortable.active = null;\n    savedInputChecked.forEach(function (el) {\n      el.checked = true;\n    });\n    savedInputChecked.length = lastDx = lastDy = 0;\n  },\n  handleEvent: function handleEvent(\n  /**Event*/\n  evt) {\n    switch (evt.type) {\n      case 'drop':\n      case 'dragend':\n        this._onDrop(evt);\n\n        break;\n\n      case 'dragenter':\n      case 'dragover':\n        if (dragEl) {\n          this._onDragOver(evt);\n\n          _globalDragOver(evt);\n        }\n\n        break;\n\n      case 'selectstart':\n        evt.preventDefault();\n        break;\n    }\n  },\n\n  /**\n   * Serializes the item into an array of string.\n   * @returns {String[]}\n   */\n  toArray: function toArray() {\n    var order = [],\n        el,\n        children = this.el.children,\n        i = 0,\n        n = children.length,\n        options = this.options;\n\n    for (; i < n; i++) {\n      el = children[i];\n\n      if (closest(el, options.draggable, this.el, false)) {\n        order.push(el.getAttribute(options.dataIdAttr) || _generateId(el));\n      }\n    }\n\n    return order;\n  },\n\n  /**\n   * Sorts the elements according to the array.\n   * @param  {String[]}  order  order of the items\n   */\n  sort: function sort(order) {\n    var items = {},\n        rootEl = this.el;\n    this.toArray().forEach(function (id, i) {\n      var el = rootEl.children[i];\n\n      if (closest(el, this.options.draggable, rootEl, false)) {\n        items[id] = el;\n      }\n    }, this);\n    order.forEach(function (id) {\n      if (items[id]) {\n        rootEl.removeChild(items[id]);\n        rootEl.appendChild(items[id]);\n      }\n    });\n  },\n\n  /**\n   * Save the current sorting\n   */\n  save: function save() {\n    var store = this.options.store;\n    store && store.set && store.set(this);\n  },\n\n  /**\n   * For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.\n   * @param   {HTMLElement}  el\n   * @param   {String}       [selector]  default: `options.draggable`\n   * @returns {HTMLElement|null}\n   */\n  closest: function closest$1(el, selector) {\n    return closest(el, selector || this.options.draggable, this.el, false);\n  },\n\n  /**\n   * Set/get option\n   * @param   {string} name\n   * @param   {*}      [value]\n   * @returns {*}\n   */\n  option: function option(name, value) {\n    var options = this.options;\n\n    if (value === void 0) {\n      return options[name];\n    } else {\n      var modifiedValue = PluginManager.modifyOption(this, name, value);\n\n      if (typeof modifiedValue !== 'undefined') {\n        options[name] = modifiedValue;\n      } else {\n        options[name] = value;\n      }\n\n      if (name === 'group') {\n        _prepareGroup(options);\n      }\n    }\n  },\n\n  /**\n   * Destroy\n   */\n  destroy: function destroy() {\n    pluginEvent('destroy', this);\n    var el = this.el;\n    el[expando] = null;\n    off(el, 'mousedown', this._onTapStart);\n    off(el, 'touchstart', this._onTapStart);\n    off(el, 'pointerdown', this._onTapStart);\n\n    if (this.nativeDraggable) {\n      off(el, 'dragover', this);\n      off(el, 'dragenter', this);\n    } // Remove draggable attributes\n\n\n    Array.prototype.forEach.call(el.querySelectorAll('[draggable]'), function (el) {\n      el.removeAttribute('draggable');\n    });\n\n    this._onDrop();\n\n    sortables.splice(sortables.indexOf(this.el), 1);\n    this.el = el = null;\n  },\n  _hideClone: function _hideClone() {\n    if (!cloneHidden) {\n      pluginEvent('hideClone', this);\n      if (Sortable.eventCanceled) return;\n      css(cloneEl, 'display', 'none');\n\n      if (this.options.removeCloneOnHide && cloneEl.parentNode) {\n        cloneEl.parentNode.removeChild(cloneEl);\n      }\n\n      cloneHidden = true;\n    }\n  },\n  _showClone: function _showClone(putSortable) {\n    if (putSortable.lastPutMode !== 'clone') {\n      this._hideClone();\n\n      return;\n    }\n\n    if (cloneHidden) {\n      pluginEvent('showClone', this);\n      if (Sortable.eventCanceled) return; // show clone at dragEl or original position\n\n      if (rootEl.contains(dragEl) && !this.options.group.revertClone) {\n        rootEl.insertBefore(cloneEl, dragEl);\n      } else if (nextEl) {\n        rootEl.insertBefore(cloneEl, nextEl);\n      } else {\n        rootEl.appendChild(cloneEl);\n      }\n\n      if (this.options.group.revertClone) {\n        this.animate(dragEl, cloneEl);\n      }\n\n      css(cloneEl, 'display', '');\n      cloneHidden = false;\n    }\n  }\n};\n\nfunction _globalDragOver(\n/**Event*/\nevt) {\n  if (evt.dataTransfer) {\n    evt.dataTransfer.dropEffect = 'move';\n  }\n\n  evt.cancelable && evt.preventDefault();\n}\n\nfunction _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalEvent, willInsertAfter) {\n  var evt,\n      sortable = fromEl[expando],\n      onMoveFn = sortable.options.onMove,\n      retVal; // Support for new CustomEvent feature\n\n  if (window.CustomEvent && !IE11OrLess && !Edge) {\n    evt = new CustomEvent('move', {\n      bubbles: true,\n      cancelable: true\n    });\n  } else {\n    evt = document.createEvent('Event');\n    evt.initEvent('move', true, true);\n  }\n\n  evt.to = toEl;\n  evt.from = fromEl;\n  evt.dragged = dragEl;\n  evt.draggedRect = dragRect;\n  evt.related = targetEl || toEl;\n  evt.relatedRect = targetRect || getRect(toEl);\n  evt.willInsertAfter = willInsertAfter;\n  evt.originalEvent = originalEvent;\n  fromEl.dispatchEvent(evt);\n\n  if (onMoveFn) {\n    retVal = onMoveFn.call(sortable, evt, originalEvent);\n  }\n\n  return retVal;\n}\n\nfunction _disableDraggable(el) {\n  el.draggable = false;\n}\n\nfunction _unsilent() {\n  _silent = false;\n}\n\nfunction _ghostIsLast(evt, vertical, sortable) {\n  var rect = getRect(lastChild(sortable.el, sortable.options.draggable));\n  var spacer = 10;\n  return vertical ? evt.clientX > rect.right + spacer || evt.clientX <= rect.right && evt.clientY > rect.bottom && evt.clientX >= rect.left : evt.clientX > rect.right && evt.clientY > rect.top || evt.clientX <= rect.right && evt.clientY > rect.bottom + spacer;\n}\n\nfunction _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {\n  var mouseOnAxis = vertical ? evt.clientY : evt.clientX,\n      targetLength = vertical ? targetRect.height : targetRect.width,\n      targetS1 = vertical ? targetRect.top : targetRect.left,\n      targetS2 = vertical ? targetRect.bottom : targetRect.right,\n      invert = false;\n\n  if (!invertSwap) {\n    // Never invert or create dragEl shadow when target movemenet causes mouse to move past the end of regular swapThreshold\n    if (isLastTarget && targetMoveDistance < targetLength * swapThreshold) {\n      // multiplied only by swapThreshold because mouse will already be inside target by (1 - threshold) * targetLength / 2\n      // check if past first invert threshold on side opposite of lastDirection\n      if (!pastFirstInvertThresh && (lastDirection === 1 ? mouseOnAxis > targetS1 + targetLength * invertedSwapThreshold / 2 : mouseOnAxis < targetS2 - targetLength * invertedSwapThreshold / 2)) {\n        // past first invert threshold, do not restrict inverted threshold to dragEl shadow\n        pastFirstInvertThresh = true;\n      }\n\n      if (!pastFirstInvertThresh) {\n        // dragEl shadow (target move distance shadow)\n        if (lastDirection === 1 ? mouseOnAxis < targetS1 + targetMoveDistance // over dragEl shadow\n        : mouseOnAxis > targetS2 - targetMoveDistance) {\n          return -lastDirection;\n        }\n      } else {\n        invert = true;\n      }\n    } else {\n      // Regular\n      if (mouseOnAxis > targetS1 + targetLength * (1 - swapThreshold) / 2 && mouseOnAxis < targetS2 - targetLength * (1 - swapThreshold) / 2) {\n        return _getInsertDirection(target);\n      }\n    }\n  }\n\n  invert = invert || invertSwap;\n\n  if (invert) {\n    // Invert of regular\n    if (mouseOnAxis < targetS1 + targetLength * invertedSwapThreshold / 2 || mouseOnAxis > targetS2 - targetLength * invertedSwapThreshold / 2) {\n      return mouseOnAxis > targetS1 + targetLength / 2 ? 1 : -1;\n    }\n  }\n\n  return 0;\n}\n/**\n * Gets the direction dragEl must be swapped relative to target in order to make it\n * seem that dragEl has been \"inserted\" into that element's position\n * @param  {HTMLElement} target       The target whose position dragEl is being inserted at\n * @return {Number}                   Direction dragEl must be swapped\n */\n\n\nfunction _getInsertDirection(target) {\n  if (index(dragEl) < index(target)) {\n    return 1;\n  } else {\n    return -1;\n  }\n}\n/**\n * Generate id\n * @param   {HTMLElement} el\n * @returns {String}\n * @private\n */\n\n\nfunction _generateId(el) {\n  var str = el.tagName + el.className + el.src + el.href + el.textContent,\n      i = str.length,\n      sum = 0;\n\n  while (i--) {\n    sum += str.charCodeAt(i);\n  }\n\n  return sum.toString(36);\n}\n\nfunction _saveInputCheckedState(root) {\n  savedInputChecked.length = 0;\n  var inputs = root.getElementsByTagName('input');\n  var idx = inputs.length;\n\n  while (idx--) {\n    var el = inputs[idx];\n    el.checked && savedInputChecked.push(el);\n  }\n}\n\nfunction _nextTick(fn) {\n  return setTimeout(fn, 0);\n}\n\nfunction _cancelNextTick(id) {\n  return clearTimeout(id);\n} // Fixed #973:\n\n\nif (documentExists) {\n  on(document, 'touchmove', function (evt) {\n    if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {\n      evt.preventDefault();\n    }\n  });\n} // Export utils\n\n\nSortable.utils = {\n  on: on,\n  off: off,\n  css: css,\n  find: find,\n  is: function is(el, selector) {\n    return !!closest(el, selector, el, false);\n  },\n  extend: extend,\n  throttle: throttle,\n  closest: closest,\n  toggleClass: toggleClass,\n  clone: clone,\n  index: index,\n  nextTick: _nextTick,\n  cancelNextTick: _cancelNextTick,\n  detectDirection: _detectDirection,\n  getChild: getChild\n};\n/**\n * Get the Sortable instance of an element\n * @param  {HTMLElement} element The element\n * @return {Sortable|undefined}         The instance of Sortable\n */\n\nSortable.get = function (element) {\n  return element[expando];\n};\n/**\n * Mount a plugin to Sortable\n * @param  {...SortablePlugin|SortablePlugin[]} plugins       Plugins being mounted\n */\n\n\nSortable.mount = function () {\n  for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) {\n    plugins[_key] = arguments[_key];\n  }\n\n  if (plugins[0].constructor === Array) plugins = plugins[0];\n  plugins.forEach(function (plugin) {\n    if (!plugin.prototype || !plugin.prototype.constructor) {\n      throw \"Sortable: Mounted plugin must be a constructor function, not \".concat({}.toString.call(plugin));\n    }\n\n    if (plugin.utils) Sortable.utils = _objectSpread({}, Sortable.utils, plugin.utils);\n    PluginManager.mount(plugin);\n  });\n};\n/**\n * Create sortable instance\n * @param {HTMLElement}  el\n * @param {Object}      [options]\n */\n\n\nSortable.create = function (el, options) {\n  return new Sortable(el, options);\n}; // Export\n\n\nSortable.version = version;\n\nvar autoScrolls = [],\n    scrollEl,\n    scrollRootEl,\n    scrolling = false,\n    lastAutoScrollX,\n    lastAutoScrollY,\n    touchEvt$1,\n    pointerElemChangedInterval;\n\nfunction AutoScrollPlugin() {\n  function AutoScroll() {\n    this.defaults = {\n      scroll: true,\n      scrollSensitivity: 30,\n      scrollSpeed: 10,\n      bubbleScroll: true\n    }; // Bind all private methods\n\n    for (var fn in this) {\n      if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {\n        this[fn] = this[fn].bind(this);\n      }\n    }\n  }\n\n  AutoScroll.prototype = {\n    dragStarted: function dragStarted(_ref) {\n      var originalEvent = _ref.originalEvent;\n\n      if (this.sortable.nativeDraggable) {\n        on(document, 'dragover', this._handleAutoScroll);\n      } else {\n        if (this.options.supportPointer) {\n          on(document, 'pointermove', this._handleFallbackAutoScroll);\n        } else if (originalEvent.touches) {\n          on(document, 'touchmove', this._handleFallbackAutoScroll);\n        } else {\n          on(document, 'mousemove', this._handleFallbackAutoScroll);\n        }\n      }\n    },\n    dragOverCompleted: function dragOverCompleted(_ref2) {\n      var originalEvent = _ref2.originalEvent;\n\n      // For when bubbling is canceled and using fallback (fallback 'touchmove' always reached)\n      if (!this.options.dragOverBubble && !originalEvent.rootEl) {\n        this._handleAutoScroll(originalEvent);\n      }\n    },\n    drop: function drop() {\n      if (this.sortable.nativeDraggable) {\n        off(document, 'dragover', this._handleAutoScroll);\n      } else {\n        off(document, 'pointermove', this._handleFallbackAutoScroll);\n        off(document, 'touchmove', this._handleFallbackAutoScroll);\n        off(document, 'mousemove', this._handleFallbackAutoScroll);\n      }\n\n      clearPointerElemChangedInterval();\n      clearAutoScrolls();\n      cancelThrottle();\n    },\n    nulling: function nulling() {\n      touchEvt$1 = scrollRootEl = scrollEl = scrolling = pointerElemChangedInterval = lastAutoScrollX = lastAutoScrollY = null;\n      autoScrolls.length = 0;\n    },\n    _handleFallbackAutoScroll: function _handleFallbackAutoScroll(evt) {\n      this._handleAutoScroll(evt, true);\n    },\n    _handleAutoScroll: function _handleAutoScroll(evt, fallback) {\n      var _this = this;\n\n      var x = (evt.touches ? evt.touches[0] : evt).clientX,\n          y = (evt.touches ? evt.touches[0] : evt).clientY,\n          elem = document.elementFromPoint(x, y);\n      touchEvt$1 = evt; // IE does not seem to have native autoscroll,\n      // Edge's autoscroll seems too conditional,\n      // MACOS Safari does not have autoscroll,\n      // Firefox and Chrome are good\n\n      if (fallback || Edge || IE11OrLess || Safari) {\n        autoScroll(evt, this.options, elem, fallback); // Listener for pointer element change\n\n        var ogElemScroller = getParentAutoScrollElement(elem, true);\n\n        if (scrolling && (!pointerElemChangedInterval || x !== lastAutoScrollX || y !== lastAutoScrollY)) {\n          pointerElemChangedInterval && clearPointerElemChangedInterval(); // Detect for pointer elem change, emulating native DnD behaviour\n\n          pointerElemChangedInterval = setInterval(function () {\n            var newElem = getParentAutoScrollElement(document.elementFromPoint(x, y), true);\n\n            if (newElem !== ogElemScroller) {\n              ogElemScroller = newElem;\n              clearAutoScrolls();\n            }\n\n            autoScroll(evt, _this.options, newElem, fallback);\n          }, 10);\n          lastAutoScrollX = x;\n          lastAutoScrollY = y;\n        }\n      } else {\n        // if DnD is enabled (and browser has good autoscrolling), first autoscroll will already scroll, so get parent autoscroll of first autoscroll\n        if (!this.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) {\n          clearAutoScrolls();\n          return;\n        }\n\n        autoScroll(evt, this.options, getParentAutoScrollElement(elem, false), false);\n      }\n    }\n  };\n  return _extends(AutoScroll, {\n    pluginName: 'scroll',\n    initializeByDefault: true\n  });\n}\n\nfunction clearAutoScrolls() {\n  autoScrolls.forEach(function (autoScroll) {\n    clearInterval(autoScroll.pid);\n  });\n  autoScrolls = [];\n}\n\nfunction clearPointerElemChangedInterval() {\n  clearInterval(pointerElemChangedInterval);\n}\n\nvar autoScroll = throttle(function (evt, options, rootEl, isFallback) {\n  // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521\n  if (!options.scroll) return;\n  var x = (evt.touches ? evt.touches[0] : evt).clientX,\n      y = (evt.touches ? evt.touches[0] : evt).clientY,\n      sens = options.scrollSensitivity,\n      speed = options.scrollSpeed,\n      winScroller = getWindowScrollingElement();\n  var scrollThisInstance = false,\n      scrollCustomFn; // New scroll root, set scrollEl\n\n  if (scrollRootEl !== rootEl) {\n    scrollRootEl = rootEl;\n    clearAutoScrolls();\n    scrollEl = options.scroll;\n    scrollCustomFn = options.scrollFn;\n\n    if (scrollEl === true) {\n      scrollEl = getParentAutoScrollElement(rootEl, true);\n    }\n  }\n\n  var layersOut = 0;\n  var currentParent = scrollEl;\n\n  do {\n    var el = currentParent,\n        rect = getRect(el),\n        top = rect.top,\n        bottom = rect.bottom,\n        left = rect.left,\n        right = rect.right,\n        width = rect.width,\n        height = rect.height,\n        canScrollX = void 0,\n        canScrollY = void 0,\n        scrollWidth = el.scrollWidth,\n        scrollHeight = el.scrollHeight,\n        elCSS = css(el),\n        scrollPosX = el.scrollLeft,\n        scrollPosY = el.scrollTop;\n\n    if (el === winScroller) {\n      canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll' || elCSS.overflowX === 'visible');\n      canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll' || elCSS.overflowY === 'visible');\n    } else {\n      canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll');\n      canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll');\n    }\n\n    var vx = canScrollX && (Math.abs(right - x) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - x) <= sens && !!scrollPosX);\n    var vy = canScrollY && (Math.abs(bottom - y) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - y) <= sens && !!scrollPosY);\n\n    if (!autoScrolls[layersOut]) {\n      for (var i = 0; i <= layersOut; i++) {\n        if (!autoScrolls[i]) {\n          autoScrolls[i] = {};\n        }\n      }\n    }\n\n    if (autoScrolls[layersOut].vx != vx || autoScrolls[layersOut].vy != vy || autoScrolls[layersOut].el !== el) {\n      autoScrolls[layersOut].el = el;\n      autoScrolls[layersOut].vx = vx;\n      autoScrolls[layersOut].vy = vy;\n      clearInterval(autoScrolls[layersOut].pid);\n\n      if (vx != 0 || vy != 0) {\n        scrollThisInstance = true;\n        /* jshint loopfunc:true */\n\n        autoScrolls[layersOut].pid = setInterval(function () {\n          // emulate drag over during autoscroll (fallback), emulating native DnD behaviour\n          if (isFallback && this.layer === 0) {\n            Sortable.active._onTouchMove(touchEvt$1); // To move ghost if it is positioned absolutely\n\n          }\n\n          var scrollOffsetY = autoScrolls[this.layer].vy ? autoScrolls[this.layer].vy * speed : 0;\n          var scrollOffsetX = autoScrolls[this.layer].vx ? autoScrolls[this.layer].vx * speed : 0;\n\n          if (typeof scrollCustomFn === 'function') {\n            if (scrollCustomFn.call(Sortable.dragged.parentNode[expando], scrollOffsetX, scrollOffsetY, evt, touchEvt$1, autoScrolls[this.layer].el) !== 'continue') {\n              return;\n            }\n          }\n\n          scrollBy(autoScrolls[this.layer].el, scrollOffsetX, scrollOffsetY);\n        }.bind({\n          layer: layersOut\n        }), 24);\n      }\n    }\n\n    layersOut++;\n  } while (options.bubbleScroll && currentParent !== winScroller && (currentParent = getParentAutoScrollElement(currentParent, false)));\n\n  scrolling = scrollThisInstance; // in case another function catches scrolling as false in between when it is not\n}, 30);\n\nvar drop = function drop(_ref) {\n  var originalEvent = _ref.originalEvent,\n      putSortable = _ref.putSortable,\n      dragEl = _ref.dragEl,\n      activeSortable = _ref.activeSortable,\n      dispatchSortableEvent = _ref.dispatchSortableEvent,\n      hideGhostForTarget = _ref.hideGhostForTarget,\n      unhideGhostForTarget = _ref.unhideGhostForTarget;\n  if (!originalEvent) return;\n  var toSortable = putSortable || activeSortable;\n  hideGhostForTarget();\n  var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;\n  var target = document.elementFromPoint(touch.clientX, touch.clientY);\n  unhideGhostForTarget();\n\n  if (toSortable && !toSortable.el.contains(target)) {\n    dispatchSortableEvent('spill');\n    this.onSpill({\n      dragEl: dragEl,\n      putSortable: putSortable\n    });\n  }\n};\n\nfunction Revert() {}\n\nRevert.prototype = {\n  startIndex: null,\n  dragStart: function dragStart(_ref2) {\n    var oldDraggableIndex = _ref2.oldDraggableIndex;\n    this.startIndex = oldDraggableIndex;\n  },\n  onSpill: function onSpill(_ref3) {\n    var dragEl = _ref3.dragEl,\n        putSortable = _ref3.putSortable;\n    this.sortable.captureAnimationState();\n\n    if (putSortable) {\n      putSortable.captureAnimationState();\n    }\n\n    var nextSibling = getChild(this.sortable.el, this.startIndex, this.options);\n\n    if (nextSibling) {\n      this.sortable.el.insertBefore(dragEl, nextSibling);\n    } else {\n      this.sortable.el.appendChild(dragEl);\n    }\n\n    this.sortable.animateAll();\n\n    if (putSortable) {\n      putSortable.animateAll();\n    }\n  },\n  drop: drop\n};\n\n_extends(Revert, {\n  pluginName: 'revertOnSpill'\n});\n\nfunction Remove() {}\n\nRemove.prototype = {\n  onSpill: function onSpill(_ref4) {\n    var dragEl = _ref4.dragEl,\n        putSortable = _ref4.putSortable;\n    var parentSortable = putSortable || this.sortable;\n    parentSortable.captureAnimationState();\n    dragEl.parentNode && dragEl.parentNode.removeChild(dragEl);\n    parentSortable.animateAll();\n  },\n  drop: drop\n};\n\n_extends(Remove, {\n  pluginName: 'removeOnSpill'\n});\n\nvar lastSwapEl;\n\nfunction SwapPlugin() {\n  function Swap() {\n    this.defaults = {\n      swapClass: 'sortable-swap-highlight'\n    };\n  }\n\n  Swap.prototype = {\n    dragStart: function dragStart(_ref) {\n      var dragEl = _ref.dragEl;\n      lastSwapEl = dragEl;\n    },\n    dragOverValid: function dragOverValid(_ref2) {\n      var completed = _ref2.completed,\n          target = _ref2.target,\n          onMove = _ref2.onMove,\n          activeSortable = _ref2.activeSortable,\n          changed = _ref2.changed,\n          cancel = _ref2.cancel;\n      if (!activeSortable.options.swap) return;\n      var el = this.sortable.el,\n          options = this.options;\n\n      if (target && target !== el) {\n        var prevSwapEl = lastSwapEl;\n\n        if (onMove(target) !== false) {\n          toggleClass(target, options.swapClass, true);\n          lastSwapEl = target;\n        } else {\n          lastSwapEl = null;\n        }\n\n        if (prevSwapEl && prevSwapEl !== lastSwapEl) {\n          toggleClass(prevSwapEl, options.swapClass, false);\n        }\n      }\n\n      changed();\n      completed(true);\n      cancel();\n    },\n    drop: function drop(_ref3) {\n      var activeSortable = _ref3.activeSortable,\n          putSortable = _ref3.putSortable,\n          dragEl = _ref3.dragEl;\n      var toSortable = putSortable || this.sortable;\n      var options = this.options;\n      lastSwapEl && toggleClass(lastSwapEl, options.swapClass, false);\n\n      if (lastSwapEl && (options.swap || putSortable && putSortable.options.swap)) {\n        if (dragEl !== lastSwapEl) {\n          toSortable.captureAnimationState();\n          if (toSortable !== activeSortable) activeSortable.captureAnimationState();\n          swapNodes(dragEl, lastSwapEl);\n          toSortable.animateAll();\n          if (toSortable !== activeSortable) activeSortable.animateAll();\n        }\n      }\n    },\n    nulling: function nulling() {\n      lastSwapEl = null;\n    }\n  };\n  return _extends(Swap, {\n    pluginName: 'swap',\n    eventProperties: function eventProperties() {\n      return {\n        swapItem: lastSwapEl\n      };\n    }\n  });\n}\n\nfunction swapNodes(n1, n2) {\n  var p1 = n1.parentNode,\n      p2 = n2.parentNode,\n      i1,\n      i2;\n  if (!p1 || !p2 || p1.isEqualNode(n2) || p2.isEqualNode(n1)) return;\n  i1 = index(n1);\n  i2 = index(n2);\n\n  if (p1.isEqualNode(p2) && i1 < i2) {\n    i2++;\n  }\n\n  p1.insertBefore(n2, p1.children[i1]);\n  p2.insertBefore(n1, p2.children[i2]);\n}\n\nvar multiDragElements = [],\n    multiDragClones = [],\n    lastMultiDragSelect,\n    // for selection with modifier key down (SHIFT)\nmultiDragSortable,\n    initialFolding = false,\n    // Initial multi-drag fold when drag started\nfolding = false,\n    // Folding any other time\ndragStarted = false,\n    dragEl$1,\n    clonesFromRect,\n    clonesHidden;\n\nfunction MultiDragPlugin() {\n  function MultiDrag(sortable) {\n    // Bind all private methods\n    for (var fn in this) {\n      if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {\n        this[fn] = this[fn].bind(this);\n      }\n    }\n\n    if (sortable.options.supportPointer) {\n      on(document, 'pointerup', this._deselectMultiDrag);\n    } else {\n      on(document, 'mouseup', this._deselectMultiDrag);\n      on(document, 'touchend', this._deselectMultiDrag);\n    }\n\n    on(document, 'keydown', this._checkKeyDown);\n    on(document, 'keyup', this._checkKeyUp);\n    this.defaults = {\n      selectedClass: 'sortable-selected',\n      multiDragKey: null,\n      setData: function setData(dataTransfer, dragEl) {\n        var data = '';\n\n        if (multiDragElements.length && multiDragSortable === sortable) {\n          multiDragElements.forEach(function (multiDragElement, i) {\n            data += (!i ? '' : ', ') + multiDragElement.textContent;\n          });\n        } else {\n          data = dragEl.textContent;\n        }\n\n        dataTransfer.setData('Text', data);\n      }\n    };\n  }\n\n  MultiDrag.prototype = {\n    multiDragKeyDown: false,\n    isMultiDrag: false,\n    delayStartGlobal: function delayStartGlobal(_ref) {\n      var dragged = _ref.dragEl;\n      dragEl$1 = dragged;\n    },\n    delayEnded: function delayEnded() {\n      this.isMultiDrag = ~multiDragElements.indexOf(dragEl$1);\n    },\n    setupClone: function setupClone(_ref2) {\n      var sortable = _ref2.sortable,\n          cancel = _ref2.cancel;\n      if (!this.isMultiDrag) return;\n\n      for (var i = 0; i < multiDragElements.length; i++) {\n        multiDragClones.push(clone(multiDragElements[i]));\n        multiDragClones[i].sortableIndex = multiDragElements[i].sortableIndex;\n        multiDragClones[i].draggable = false;\n        multiDragClones[i].style['will-change'] = '';\n        toggleClass(multiDragClones[i], this.options.selectedClass, false);\n        multiDragElements[i] === dragEl$1 && toggleClass(multiDragClones[i], this.options.chosenClass, false);\n      }\n\n      sortable._hideClone();\n\n      cancel();\n    },\n    clone: function clone(_ref3) {\n      var sortable = _ref3.sortable,\n          rootEl = _ref3.rootEl,\n          dispatchSortableEvent = _ref3.dispatchSortableEvent,\n          cancel = _ref3.cancel;\n      if (!this.isMultiDrag) return;\n\n      if (!this.options.removeCloneOnHide) {\n        if (multiDragElements.length && multiDragSortable === sortable) {\n          insertMultiDragClones(true, rootEl);\n          dispatchSortableEvent('clone');\n          cancel();\n        }\n      }\n    },\n    showClone: function showClone(_ref4) {\n      var cloneNowShown = _ref4.cloneNowShown,\n          rootEl = _ref4.rootEl,\n          cancel = _ref4.cancel;\n      if (!this.isMultiDrag) return;\n      insertMultiDragClones(false, rootEl);\n      multiDragClones.forEach(function (clone) {\n        css(clone, 'display', '');\n      });\n      cloneNowShown();\n      clonesHidden = false;\n      cancel();\n    },\n    hideClone: function hideClone(_ref5) {\n      var _this = this;\n\n      var sortable = _ref5.sortable,\n          cloneNowHidden = _ref5.cloneNowHidden,\n          cancel = _ref5.cancel;\n      if (!this.isMultiDrag) return;\n      multiDragClones.forEach(function (clone) {\n        css(clone, 'display', 'none');\n\n        if (_this.options.removeCloneOnHide && clone.parentNode) {\n          clone.parentNode.removeChild(clone);\n        }\n      });\n      cloneNowHidden();\n      clonesHidden = true;\n      cancel();\n    },\n    dragStartGlobal: function dragStartGlobal(_ref6) {\n      var sortable = _ref6.sortable;\n\n      if (!this.isMultiDrag && multiDragSortable) {\n        multiDragSortable.multiDrag._deselectMultiDrag();\n      }\n\n      multiDragElements.forEach(function (multiDragElement) {\n        multiDragElement.sortableIndex = index(multiDragElement);\n      }); // Sort multi-drag elements\n\n      multiDragElements = multiDragElements.sort(function (a, b) {\n        return a.sortableIndex - b.sortableIndex;\n      });\n      dragStarted = true;\n    },\n    dragStarted: function dragStarted(_ref7) {\n      var _this2 = this;\n\n      var sortable = _ref7.sortable;\n      if (!this.isMultiDrag) return;\n\n      if (this.options.sort) {\n        // Capture rects,\n        // hide multi drag elements (by positioning them absolute),\n        // set multi drag elements rects to dragRect,\n        // show multi drag elements,\n        // animate to rects,\n        // unset rects & remove from DOM\n        sortable.captureAnimationState();\n\n        if (this.options.animation) {\n          multiDragElements.forEach(function (multiDragElement) {\n            if (multiDragElement === dragEl$1) return;\n            css(multiDragElement, 'position', 'absolute');\n          });\n          var dragRect = getRect(dragEl$1, false, true, true);\n          multiDragElements.forEach(function (multiDragElement) {\n            if (multiDragElement === dragEl$1) return;\n            setRect(multiDragElement, dragRect);\n          });\n          folding = true;\n          initialFolding = true;\n        }\n      }\n\n      sortable.animateAll(function () {\n        folding = false;\n        initialFolding = false;\n\n        if (_this2.options.animation) {\n          multiDragElements.forEach(function (multiDragElement) {\n            unsetRect(multiDragElement);\n          });\n        } // Remove all auxiliary multidrag items from el, if sorting enabled\n\n\n        if (_this2.options.sort) {\n          removeMultiDragElements();\n        }\n      });\n    },\n    dragOver: function dragOver(_ref8) {\n      var target = _ref8.target,\n          completed = _ref8.completed,\n          cancel = _ref8.cancel;\n\n      if (folding && ~multiDragElements.indexOf(target)) {\n        completed(false);\n        cancel();\n      }\n    },\n    revert: function revert(_ref9) {\n      var fromSortable = _ref9.fromSortable,\n          rootEl = _ref9.rootEl,\n          sortable = _ref9.sortable,\n          dragRect = _ref9.dragRect;\n\n      if (multiDragElements.length > 1) {\n        // Setup unfold animation\n        multiDragElements.forEach(function (multiDragElement) {\n          sortable.addAnimationState({\n            target: multiDragElement,\n            rect: folding ? getRect(multiDragElement) : dragRect\n          });\n          unsetRect(multiDragElement);\n          multiDragElement.fromRect = dragRect;\n          fromSortable.removeAnimationState(multiDragElement);\n        });\n        folding = false;\n        insertMultiDragElements(!this.options.removeCloneOnHide, rootEl);\n      }\n    },\n    dragOverCompleted: function dragOverCompleted(_ref10) {\n      var sortable = _ref10.sortable,\n          isOwner = _ref10.isOwner,\n          insertion = _ref10.insertion,\n          activeSortable = _ref10.activeSortable,\n          parentEl = _ref10.parentEl,\n          putSortable = _ref10.putSortable;\n      var options = this.options;\n\n      if (insertion) {\n        // Clones must be hidden before folding animation to capture dragRectAbsolute properly\n        if (isOwner) {\n          activeSortable._hideClone();\n        }\n\n        initialFolding = false; // If leaving sort:false root, or already folding - Fold to new location\n\n        if (options.animation && multiDragElements.length > 1 && (folding || !isOwner && !activeSortable.options.sort && !putSortable)) {\n          // Fold: Set all multi drag elements's rects to dragEl's rect when multi-drag elements are invisible\n          var dragRectAbsolute = getRect(dragEl$1, false, true, true);\n          multiDragElements.forEach(function (multiDragElement) {\n            if (multiDragElement === dragEl$1) return;\n            setRect(multiDragElement, dragRectAbsolute); // Move element(s) to end of parentEl so that it does not interfere with multi-drag clones insertion if they are inserted\n            // while folding, and so that we can capture them again because old sortable will no longer be fromSortable\n\n            parentEl.appendChild(multiDragElement);\n          });\n          folding = true;\n        } // Clones must be shown (and check to remove multi drags) after folding when interfering multiDragElements are moved out\n\n\n        if (!isOwner) {\n          // Only remove if not folding (folding will remove them anyways)\n          if (!folding) {\n            removeMultiDragElements();\n          }\n\n          if (multiDragElements.length > 1) {\n            var clonesHiddenBefore = clonesHidden;\n\n            activeSortable._showClone(sortable); // Unfold animation for clones if showing from hidden\n\n\n            if (activeSortable.options.animation && !clonesHidden && clonesHiddenBefore) {\n              multiDragClones.forEach(function (clone) {\n                activeSortable.addAnimationState({\n                  target: clone,\n                  rect: clonesFromRect\n                });\n                clone.fromRect = clonesFromRect;\n                clone.thisAnimationDuration = null;\n              });\n            }\n          } else {\n            activeSortable._showClone(sortable);\n          }\n        }\n      }\n    },\n    dragOverAnimationCapture: function dragOverAnimationCapture(_ref11) {\n      var dragRect = _ref11.dragRect,\n          isOwner = _ref11.isOwner,\n          activeSortable = _ref11.activeSortable;\n      multiDragElements.forEach(function (multiDragElement) {\n        multiDragElement.thisAnimationDuration = null;\n      });\n\n      if (activeSortable.options.animation && !isOwner && activeSortable.multiDrag.isMultiDrag) {\n        clonesFromRect = _extends({}, dragRect);\n        var dragMatrix = matrix(dragEl$1, true);\n        clonesFromRect.top -= dragMatrix.f;\n        clonesFromRect.left -= dragMatrix.e;\n      }\n    },\n    dragOverAnimationComplete: function dragOverAnimationComplete() {\n      if (folding) {\n        folding = false;\n        removeMultiDragElements();\n      }\n    },\n    drop: function drop(_ref12) {\n      var evt = _ref12.originalEvent,\n          rootEl = _ref12.rootEl,\n          parentEl = _ref12.parentEl,\n          sortable = _ref12.sortable,\n          dispatchSortableEvent = _ref12.dispatchSortableEvent,\n          oldIndex = _ref12.oldIndex,\n          putSortable = _ref12.putSortable;\n      var toSortable = putSortable || this.sortable;\n      if (!evt) return;\n      var options = this.options,\n          children = parentEl.children; // Multi-drag selection\n\n      if (!dragStarted) {\n        if (options.multiDragKey && !this.multiDragKeyDown) {\n          this._deselectMultiDrag();\n        }\n\n        toggleClass(dragEl$1, options.selectedClass, !~multiDragElements.indexOf(dragEl$1));\n\n        if (!~multiDragElements.indexOf(dragEl$1)) {\n          multiDragElements.push(dragEl$1);\n          dispatchEvent({\n            sortable: sortable,\n            rootEl: rootEl,\n            name: 'select',\n            targetEl: dragEl$1,\n            originalEvt: evt\n          }); // Modifier activated, select from last to dragEl\n\n          if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {\n            var lastIndex = index(lastMultiDragSelect),\n                currentIndex = index(dragEl$1);\n\n            if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {\n              // Must include lastMultiDragSelect (select it), in case modified selection from no selection\n              // (but previous selection existed)\n              var n, i;\n\n              if (currentIndex > lastIndex) {\n                i = lastIndex;\n                n = currentIndex;\n              } else {\n                i = currentIndex;\n                n = lastIndex + 1;\n              }\n\n              for (; i < n; i++) {\n                if (~multiDragElements.indexOf(children[i])) continue;\n                toggleClass(children[i], options.selectedClass, true);\n                multiDragElements.push(children[i]);\n                dispatchEvent({\n                  sortable: sortable,\n                  rootEl: rootEl,\n                  name: 'select',\n                  targetEl: children[i],\n                  originalEvt: evt\n                });\n              }\n            }\n          } else {\n            lastMultiDragSelect = dragEl$1;\n          }\n\n          multiDragSortable = toSortable;\n        } else {\n          multiDragElements.splice(multiDragElements.indexOf(dragEl$1), 1);\n          lastMultiDragSelect = null;\n          dispatchEvent({\n            sortable: sortable,\n            rootEl: rootEl,\n            name: 'deselect',\n            targetEl: dragEl$1,\n            originalEvt: evt\n          });\n        }\n      } // Multi-drag drop\n\n\n      if (dragStarted && this.isMultiDrag) {\n        // Do not \"unfold\" after around dragEl if reverted\n        if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) {\n          var dragRect = getRect(dragEl$1),\n              multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');\n          if (!initialFolding && options.animation) dragEl$1.thisAnimationDuration = null;\n          toSortable.captureAnimationState();\n\n          if (!initialFolding) {\n            if (options.animation) {\n              dragEl$1.fromRect = dragRect;\n              multiDragElements.forEach(function (multiDragElement) {\n                multiDragElement.thisAnimationDuration = null;\n\n                if (multiDragElement !== dragEl$1) {\n                  var rect = folding ? getRect(multiDragElement) : dragRect;\n                  multiDragElement.fromRect = rect; // Prepare unfold animation\n\n                  toSortable.addAnimationState({\n                    target: multiDragElement,\n                    rect: rect\n                  });\n                }\n              });\n            } // Multi drag elements are not necessarily removed from the DOM on drop, so to reinsert\n            // properly they must all be removed\n\n\n            removeMultiDragElements();\n            multiDragElements.forEach(function (multiDragElement) {\n              if (children[multiDragIndex]) {\n                parentEl.insertBefore(multiDragElement, children[multiDragIndex]);\n              } else {\n                parentEl.appendChild(multiDragElement);\n              }\n\n              multiDragIndex++;\n            }); // If initial folding is done, the elements may have changed position because they are now\n            // unfolding around dragEl, even though dragEl may not have his index changed, so update event\n            // must be fired here as Sortable will not.\n\n            if (oldIndex === index(dragEl$1)) {\n              var update = false;\n              multiDragElements.forEach(function (multiDragElement) {\n                if (multiDragElement.sortableIndex !== index(multiDragElement)) {\n                  update = true;\n                  return;\n                }\n              });\n\n              if (update) {\n                dispatchSortableEvent('update');\n              }\n            }\n          } // Must be done after capturing individual rects (scroll bar)\n\n\n          multiDragElements.forEach(function (multiDragElement) {\n            unsetRect(multiDragElement);\n          });\n          toSortable.animateAll();\n        }\n\n        multiDragSortable = toSortable;\n      } // Remove clones if necessary\n\n\n      if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {\n        multiDragClones.forEach(function (clone) {\n          clone.parentNode && clone.parentNode.removeChild(clone);\n        });\n      }\n    },\n    nullingGlobal: function nullingGlobal() {\n      this.isMultiDrag = dragStarted = false;\n      multiDragClones.length = 0;\n    },\n    destroyGlobal: function destroyGlobal() {\n      this._deselectMultiDrag();\n\n      off(document, 'pointerup', this._deselectMultiDrag);\n      off(document, 'mouseup', this._deselectMultiDrag);\n      off(document, 'touchend', this._deselectMultiDrag);\n      off(document, 'keydown', this._checkKeyDown);\n      off(document, 'keyup', this._checkKeyUp);\n    },\n    _deselectMultiDrag: function _deselectMultiDrag(evt) {\n      if (dragStarted) return; // Only deselect if selection is in this sortable\n\n      if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable\n\n      if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return; // Only deselect if left click\n\n      if (evt && evt.button !== 0) return;\n\n      while (multiDragElements.length) {\n        var el = multiDragElements[0];\n        toggleClass(el, this.options.selectedClass, false);\n        multiDragElements.shift();\n        dispatchEvent({\n          sortable: this.sortable,\n          rootEl: this.sortable.el,\n          name: 'deselect',\n          targetEl: el,\n          originalEvt: evt\n        });\n      }\n    },\n    _checkKeyDown: function _checkKeyDown(evt) {\n      if (evt.key === this.options.multiDragKey) {\n        this.multiDragKeyDown = true;\n      }\n    },\n    _checkKeyUp: function _checkKeyUp(evt) {\n      if (evt.key === this.options.multiDragKey) {\n        this.multiDragKeyDown = false;\n      }\n    }\n  };\n  return _extends(MultiDrag, {\n    // Static methods & properties\n    pluginName: 'multiDrag',\n    utils: {\n      /**\n       * Selects the provided multi-drag item\n       * @param  {HTMLElement} el    The element to be selected\n       */\n      select: function select(el) {\n        var sortable = el.parentNode[expando];\n        if (!sortable || !sortable.options.multiDrag || ~multiDragElements.indexOf(el)) return;\n\n        if (multiDragSortable && multiDragSortable !== sortable) {\n          multiDragSortable.multiDrag._deselectMultiDrag();\n\n          multiDragSortable = sortable;\n        }\n\n        toggleClass(el, sortable.options.selectedClass, true);\n        multiDragElements.push(el);\n      },\n\n      /**\n       * Deselects the provided multi-drag item\n       * @param  {HTMLElement} el    The element to be deselected\n       */\n      deselect: function deselect(el) {\n        var sortable = el.parentNode[expando],\n            index = multiDragElements.indexOf(el);\n        if (!sortable || !sortable.options.multiDrag || !~index) return;\n        toggleClass(el, sortable.options.selectedClass, false);\n        multiDragElements.splice(index, 1);\n      }\n    },\n    eventProperties: function eventProperties() {\n      var _this3 = this;\n\n      var oldIndicies = [],\n          newIndicies = [];\n      multiDragElements.forEach(function (multiDragElement) {\n        oldIndicies.push({\n          multiDragElement: multiDragElement,\n          index: multiDragElement.sortableIndex\n        }); // multiDragElements will already be sorted if folding\n\n        var newIndex;\n\n        if (folding && multiDragElement !== dragEl$1) {\n          newIndex = -1;\n        } else if (folding) {\n          newIndex = index(multiDragElement, ':not(.' + _this3.options.selectedClass + ')');\n        } else {\n          newIndex = index(multiDragElement);\n        }\n\n        newIndicies.push({\n          multiDragElement: multiDragElement,\n          index: newIndex\n        });\n      });\n      return {\n        items: _toConsumableArray(multiDragElements),\n        clones: [].concat(multiDragClones),\n        oldIndicies: oldIndicies,\n        newIndicies: newIndicies\n      };\n    },\n    optionListeners: {\n      multiDragKey: function multiDragKey(key) {\n        key = key.toLowerCase();\n\n        if (key === 'ctrl') {\n          key = 'Control';\n        } else if (key.length > 1) {\n          key = key.charAt(0).toUpperCase() + key.substr(1);\n        }\n\n        return key;\n      }\n    }\n  });\n}\n\nfunction insertMultiDragElements(clonesInserted, rootEl) {\n  multiDragElements.forEach(function (multiDragElement, i) {\n    var target = rootEl.children[multiDragElement.sortableIndex + (clonesInserted ? Number(i) : 0)];\n\n    if (target) {\n      rootEl.insertBefore(multiDragElement, target);\n    } else {\n      rootEl.appendChild(multiDragElement);\n    }\n  });\n}\n/**\n * Insert multi-drag clones\n * @param  {[Boolean]} elementsInserted  Whether the multi-drag elements are inserted\n * @param  {HTMLElement} rootEl\n */\n\n\nfunction insertMultiDragClones(elementsInserted, rootEl) {\n  multiDragClones.forEach(function (clone, i) {\n    var target = rootEl.children[clone.sortableIndex + (elementsInserted ? Number(i) : 0)];\n\n    if (target) {\n      rootEl.insertBefore(clone, target);\n    } else {\n      rootEl.appendChild(clone);\n    }\n  });\n}\n\nfunction removeMultiDragElements() {\n  multiDragElements.forEach(function (multiDragElement) {\n    if (multiDragElement === dragEl$1) return;\n    multiDragElement.parentNode && multiDragElement.parentNode.removeChild(multiDragElement);\n  });\n}\n\nSortable.mount(new AutoScrollPlugin());\nSortable.mount(Remove, Revert);\n\n/* harmony default export */ __webpack_exports__[\"default\"] = (Sortable);\n\n\n\n//# sourceURL=webpack:///./node_modules/sortablejs/modular/sortable.esm.js?");

/***/ }),

/***/ "./node_modules/timers-browserify/main.js":
/*!************************************************!*\
  !*** ./node_modules/timers-browserify/main.js ***!
  \************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

eval("/* WEBPACK VAR INJECTION */(function(global) {var scope = (typeof global !== \"undefined\" && global) ||\n            (typeof self !== \"undefined\" && self) ||\n            window;\nvar apply = Function.prototype.apply;\n\n// DOM APIs, for completeness\n\nexports.setTimeout = function() {\n  return new Timeout(apply.call(setTimeout, scope, arguments), clearTimeout);\n};\nexports.setInterval = function() {\n  return new Timeout(apply.call(setInterval, scope, arguments), clearInterval);\n};\nexports.clearTimeout =\nexports.clearInterval = function(timeout) {\n  if (timeout) {\n    timeout.close();\n  }\n};\n\nfunction Timeout(id, clearFn) {\n  this._id = id;\n  this._clearFn = clearFn;\n}\nTimeout.prototype.unref = Timeout.prototype.ref = function() {};\nTimeout.prototype.close = function() {\n  this._clearFn.call(scope, this._id);\n};\n\n// Does not start the time, just sets up the members needed.\nexports.enroll = function(item, msecs) {\n  clearTimeout(item._idleTimeoutId);\n  item._idleTimeout = msecs;\n};\n\nexports.unenroll = function(item) {\n  clearTimeout(item._idleTimeoutId);\n  item._idleTimeout = -1;\n};\n\nexports._unrefActive = exports.active = function(item) {\n  clearTimeout(item._idleTimeoutId);\n\n  var msecs = item._idleTimeout;\n  if (msecs >= 0) {\n    item._idleTimeoutId = setTimeout(function onTimeout() {\n      if (item._onTimeout)\n        item._onTimeout();\n    }, msecs);\n  }\n};\n\n// setimmediate attaches itself to the global object\n__webpack_require__(/*! setimmediate */ \"./node_modules/setimmediate/setImmediate.js\");\n// On some exotic environments, it's not clear which object `setimmediate` was\n// able to install onto.  Search each possibility in the same order as the\n// `setimmediate` library.\nexports.setImmediate = (typeof self !== \"undefined\" && self.setImmediate) ||\n                       (typeof global !== \"undefined\" && global.setImmediate) ||\n                       (this && this.setImmediate);\nexports.clearImmediate = (typeof self !== \"undefined\" && self.clearImmediate) ||\n                         (typeof global !== \"undefined\" && global.clearImmediate) ||\n                         (this && this.clearImmediate);\n\n/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../webpack/buildin/global.js */ \"./node_modules/webpack/buildin/global.js\")))\n\n//# sourceURL=webpack:///./node_modules/timers-browserify/main.js?");

/***/ }),

/***/ "./node_modules/vue/dist/vue.esm.js":
/*!******************************************!*\
  !*** ./node_modules/vue/dist/vue.esm.js ***!
  \******************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
eval("__webpack_require__.r(__webpack_exports__);\n/* WEBPACK VAR INJECTION */(function(global, setImmediate) {/*!\n * Vue.js v2.6.10\n * (c) 2014-2019 Evan You\n * Released under the MIT License.\n */\n/*  */\n\nvar emptyObject = Object.freeze({});\n\n// These helpers produce better VM code in JS engines due to their\n// explicitness and function inlining.\nfunction isUndef (v) {\n  return v === undefined || v === null\n}\n\nfunction isDef (v) {\n  return v !== undefined && v !== null\n}\n\nfunction isTrue (v) {\n  return v === true\n}\n\nfunction isFalse (v) {\n  return v === false\n}\n\n/**\n * Check if value is primitive.\n */\nfunction isPrimitive (value) {\n  return (\n    typeof value === 'string' ||\n    typeof value === 'number' ||\n    // $flow-disable-line\n    typeof value === 'symbol' ||\n    typeof value === 'boolean'\n  )\n}\n\n/**\n * Quick object check - this is primarily used to tell\n * Objects from primitive values when we know the value\n * is a JSON-compliant type.\n */\nfunction isObject (obj) {\n  return obj !== null && typeof obj === 'object'\n}\n\n/**\n * Get the raw type string of a value, e.g., [object Object].\n */\nvar _toString = Object.prototype.toString;\n\nfunction toRawType (value) {\n  return _toString.call(value).slice(8, -1)\n}\n\n/**\n * Strict object type check. Only returns true\n * for plain JavaScript objects.\n */\nfunction isPlainObject (obj) {\n  return _toString.call(obj) === '[object Object]'\n}\n\nfunction isRegExp (v) {\n  return _toString.call(v) === '[object RegExp]'\n}\n\n/**\n * Check if val is a valid array index.\n */\nfunction isValidArrayIndex (val) {\n  var n = parseFloat(String(val));\n  return n >= 0 && Math.floor(n) === n && isFinite(val)\n}\n\nfunction isPromise (val) {\n  return (\n    isDef(val) &&\n    typeof val.then === 'function' &&\n    typeof val.catch === 'function'\n  )\n}\n\n/**\n * Convert a value to a string that is actually rendered.\n */\nfunction toString (val) {\n  return val == null\n    ? ''\n    : Array.isArray(val) || (isPlainObject(val) && val.toString === _toString)\n      ? JSON.stringify(val, null, 2)\n      : String(val)\n}\n\n/**\n * Convert an input value to a number for persistence.\n * If the conversion fails, return original string.\n */\nfunction toNumber (val) {\n  var n = parseFloat(val);\n  return isNaN(n) ? val : n\n}\n\n/**\n * Make a map and return a function for checking if a key\n * is in that map.\n */\nfunction makeMap (\n  str,\n  expectsLowerCase\n) {\n  var map = Object.create(null);\n  var list = str.split(',');\n  for (var i = 0; i < list.length; i++) {\n    map[list[i]] = true;\n  }\n  return expectsLowerCase\n    ? function (val) { return map[val.toLowerCase()]; }\n    : function (val) { return map[val]; }\n}\n\n/**\n * Check if a tag is a built-in tag.\n */\nvar isBuiltInTag = makeMap('slot,component', true);\n\n/**\n * Check if an attribute is a reserved attribute.\n */\nvar isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');\n\n/**\n * Remove an item from an array.\n */\nfunction remove (arr, item) {\n  if (arr.length) {\n    var index = arr.indexOf(item);\n    if (index > -1) {\n      return arr.splice(index, 1)\n    }\n  }\n}\n\n/**\n * Check whether an object has the property.\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\nfunction hasOwn (obj, key) {\n  return hasOwnProperty.call(obj, key)\n}\n\n/**\n * Create a cached version of a pure function.\n */\nfunction cached (fn) {\n  var cache = Object.create(null);\n  return (function cachedFn (str) {\n    var hit = cache[str];\n    return hit || (cache[str] = fn(str))\n  })\n}\n\n/**\n * Camelize a hyphen-delimited string.\n */\nvar camelizeRE = /-(\\w)/g;\nvar camelize = cached(function (str) {\n  return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })\n});\n\n/**\n * Capitalize a string.\n */\nvar capitalize = cached(function (str) {\n  return str.charAt(0).toUpperCase() + str.slice(1)\n});\n\n/**\n * Hyphenate a camelCase string.\n */\nvar hyphenateRE = /\\B([A-Z])/g;\nvar hyphenate = cached(function (str) {\n  return str.replace(hyphenateRE, '-$1').toLowerCase()\n});\n\n/**\n * Simple bind polyfill for environments that do not support it,\n * e.g., PhantomJS 1.x. Technically, we don't need this anymore\n * since native bind is now performant enough in most browsers.\n * But removing it would mean breaking code that was able to run in\n * PhantomJS 1.x, so this must be kept for backward compatibility.\n */\n\n/* istanbul ignore next */\nfunction polyfillBind (fn, ctx) {\n  function boundFn (a) {\n    var l = arguments.length;\n    return l\n      ? l > 1\n        ? fn.apply(ctx, arguments)\n        : fn.call(ctx, a)\n      : fn.call(ctx)\n  }\n\n  boundFn._length = fn.length;\n  return boundFn\n}\n\nfunction nativeBind (fn, ctx) {\n  return fn.bind(ctx)\n}\n\nvar bind = Function.prototype.bind\n  ? nativeBind\n  : polyfillBind;\n\n/**\n * Convert an Array-like object to a real Array.\n */\nfunction toArray (list, start) {\n  start = start || 0;\n  var i = list.length - start;\n  var ret = new Array(i);\n  while (i--) {\n    ret[i] = list[i + start];\n  }\n  return ret\n}\n\n/**\n * Mix properties into target object.\n */\nfunction extend (to, _from) {\n  for (var key in _from) {\n    to[key] = _from[key];\n  }\n  return to\n}\n\n/**\n * Merge an Array of Objects into a single Object.\n */\nfunction toObject (arr) {\n  var res = {};\n  for (var i = 0; i < arr.length; i++) {\n    if (arr[i]) {\n      extend(res, arr[i]);\n    }\n  }\n  return res\n}\n\n/* eslint-disable no-unused-vars */\n\n/**\n * Perform no operation.\n * Stubbing args to make Flow happy without leaving useless transpiled code\n * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).\n */\nfunction noop (a, b, c) {}\n\n/**\n * Always return false.\n */\nvar no = function (a, b, c) { return false; };\n\n/* eslint-enable no-unused-vars */\n\n/**\n * Return the same value.\n */\nvar identity = function (_) { return _; };\n\n/**\n * Generate a string containing static keys from compiler modules.\n */\nfunction genStaticKeys (modules) {\n  return modules.reduce(function (keys, m) {\n    return keys.concat(m.staticKeys || [])\n  }, []).join(',')\n}\n\n/**\n * Check if two values are loosely equal - that is,\n * if they are plain objects, do they have the same shape?\n */\nfunction looseEqual (a, b) {\n  if (a === b) { return true }\n  var isObjectA = isObject(a);\n  var isObjectB = isObject(b);\n  if (isObjectA && isObjectB) {\n    try {\n      var isArrayA = Array.isArray(a);\n      var isArrayB = Array.isArray(b);\n      if (isArrayA && isArrayB) {\n        return a.length === b.length && a.every(function (e, i) {\n          return looseEqual(e, b[i])\n        })\n      } else if (a instanceof Date && b instanceof Date) {\n        return a.getTime() === b.getTime()\n      } else if (!isArrayA && !isArrayB) {\n        var keysA = Object.keys(a);\n        var keysB = Object.keys(b);\n        return keysA.length === keysB.length && keysA.every(function (key) {\n          return looseEqual(a[key], b[key])\n        })\n      } else {\n        /* istanbul ignore next */\n        return false\n      }\n    } catch (e) {\n      /* istanbul ignore next */\n      return false\n    }\n  } else if (!isObjectA && !isObjectB) {\n    return String(a) === String(b)\n  } else {\n    return false\n  }\n}\n\n/**\n * Return the first index at which a loosely equal value can be\n * found in the array (if value is a plain object, the array must\n * contain an object of the same shape), or -1 if it is not present.\n */\nfunction looseIndexOf (arr, val) {\n  for (var i = 0; i < arr.length; i++) {\n    if (looseEqual(arr[i], val)) { return i }\n  }\n  return -1\n}\n\n/**\n * Ensure a function is called only once.\n */\nfunction once (fn) {\n  var called = false;\n  return function () {\n    if (!called) {\n      called = true;\n      fn.apply(this, arguments);\n    }\n  }\n}\n\nvar SSR_ATTR = 'data-server-rendered';\n\nvar ASSET_TYPES = [\n  'component',\n  'directive',\n  'filter'\n];\n\nvar LIFECYCLE_HOOKS = [\n  'beforeCreate',\n  'created',\n  'beforeMount',\n  'mounted',\n  'beforeUpdate',\n  'updated',\n  'beforeDestroy',\n  'destroyed',\n  'activated',\n  'deactivated',\n  'errorCaptured',\n  'serverPrefetch'\n];\n\n/*  */\n\n\n\nvar config = ({\n  /**\n   * Option merge strategies (used in core/util/options)\n   */\n  // $flow-disable-line\n  optionMergeStrategies: Object.create(null),\n\n  /**\n   * Whether to suppress warnings.\n   */\n  silent: false,\n\n  /**\n   * Show production mode tip message on boot?\n   */\n  productionTip: \"development\" !== 'production',\n\n  /**\n   * Whether to enable devtools\n   */\n  devtools: \"development\" !== 'production',\n\n  /**\n   * Whether to record perf\n   */\n  performance: false,\n\n  /**\n   * Error handler for watcher errors\n   */\n  errorHandler: null,\n\n  /**\n   * Warn handler for watcher warns\n   */\n  warnHandler: null,\n\n  /**\n   * Ignore certain custom elements\n   */\n  ignoredElements: [],\n\n  /**\n   * Custom user key aliases for v-on\n   */\n  // $flow-disable-line\n  keyCodes: Object.create(null),\n\n  /**\n   * Check if a tag is reserved so that it cannot be registered as a\n   * component. This is platform-dependent and may be overwritten.\n   */\n  isReservedTag: no,\n\n  /**\n   * Check if an attribute is reserved so that it cannot be used as a component\n   * prop. This is platform-dependent and may be overwritten.\n   */\n  isReservedAttr: no,\n\n  /**\n   * Check if a tag is an unknown element.\n   * Platform-dependent.\n   */\n  isUnknownElement: no,\n\n  /**\n   * Get the namespace of an element\n   */\n  getTagNamespace: noop,\n\n  /**\n   * Parse the real tag name for the specific platform.\n   */\n  parsePlatformTagName: identity,\n\n  /**\n   * Check if an attribute must be bound using property, e.g. value\n   * Platform-dependent.\n   */\n  mustUseProp: no,\n\n  /**\n   * Perform updates asynchronously. Intended to be used by Vue Test Utils\n   * This will significantly reduce performance if set to false.\n   */\n  async: true,\n\n  /**\n   * Exposed for legacy reasons\n   */\n  _lifecycleHooks: LIFECYCLE_HOOKS\n});\n\n/*  */\n\n/**\n * unicode letters used for parsing html tags, component names and property paths.\n * using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname\n * skipping \\u10000-\\uEFFFF due to it freezing up PhantomJS\n */\nvar unicodeRegExp = /a-zA-Z\\u00B7\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u203F-\\u2040\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD/;\n\n/**\n * Check if a string starts with $ or _\n */\nfunction isReserved (str) {\n  var c = (str + '').charCodeAt(0);\n  return c === 0x24 || c === 0x5F\n}\n\n/**\n * Define a property.\n */\nfunction def (obj, key, val, enumerable) {\n  Object.defineProperty(obj, key, {\n    value: val,\n    enumerable: !!enumerable,\n    writable: true,\n    configurable: true\n  });\n}\n\n/**\n * Parse simple path.\n */\nvar bailRE = new RegExp((\"[^\" + (unicodeRegExp.source) + \".$_\\\\d]\"));\nfunction parsePath (path) {\n  if (bailRE.test(path)) {\n    return\n  }\n  var segments = path.split('.');\n  return function (obj) {\n    for (var i = 0; i < segments.length; i++) {\n      if (!obj) { return }\n      obj = obj[segments[i]];\n    }\n    return obj\n  }\n}\n\n/*  */\n\n// can we use __proto__?\nvar hasProto = '__proto__' in {};\n\n// Browser environment sniffing\nvar inBrowser = typeof window !== 'undefined';\nvar inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;\nvar weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();\nvar UA = inBrowser && window.navigator.userAgent.toLowerCase();\nvar isIE = UA && /msie|trident/.test(UA);\nvar isIE9 = UA && UA.indexOf('msie 9.0') > 0;\nvar isEdge = UA && UA.indexOf('edge/') > 0;\nvar isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');\nvar isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');\nvar isChrome = UA && /chrome\\/\\d+/.test(UA) && !isEdge;\nvar isPhantomJS = UA && /phantomjs/.test(UA);\nvar isFF = UA && UA.match(/firefox\\/(\\d+)/);\n\n// Firefox has a \"watch\" function on Object.prototype...\nvar nativeWatch = ({}).watch;\n\nvar supportsPassive = false;\nif (inBrowser) {\n  try {\n    var opts = {};\n    Object.defineProperty(opts, 'passive', ({\n      get: function get () {\n        /* istanbul ignore next */\n        supportsPassive = true;\n      }\n    })); // https://github.com/facebook/flow/issues/285\n    window.addEventListener('test-passive', null, opts);\n  } catch (e) {}\n}\n\n// this needs to be lazy-evaled because vue may be required before\n// vue-server-renderer can set VUE_ENV\nvar _isServer;\nvar isServerRendering = function () {\n  if (_isServer === undefined) {\n    /* istanbul ignore if */\n    if (!inBrowser && !inWeex && typeof global !== 'undefined') {\n      // detect presence of vue-server-renderer and avoid\n      // Webpack shimming the process\n      _isServer = global['process'] && global['process'].env.VUE_ENV === 'server';\n    } else {\n      _isServer = false;\n    }\n  }\n  return _isServer\n};\n\n// detect devtools\nvar devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;\n\n/* istanbul ignore next */\nfunction isNative (Ctor) {\n  return typeof Ctor === 'function' && /native code/.test(Ctor.toString())\n}\n\nvar hasSymbol =\n  typeof Symbol !== 'undefined' && isNative(Symbol) &&\n  typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);\n\nvar _Set;\n/* istanbul ignore if */ // $flow-disable-line\nif (typeof Set !== 'undefined' && isNative(Set)) {\n  // use native Set when available.\n  _Set = Set;\n} else {\n  // a non-standard Set polyfill that only works with primitive keys.\n  _Set = /*@__PURE__*/(function () {\n    function Set () {\n      this.set = Object.create(null);\n    }\n    Set.prototype.has = function has (key) {\n      return this.set[key] === true\n    };\n    Set.prototype.add = function add (key) {\n      this.set[key] = true;\n    };\n    Set.prototype.clear = function clear () {\n      this.set = Object.create(null);\n    };\n\n    return Set;\n  }());\n}\n\n/*  */\n\nvar warn = noop;\nvar tip = noop;\nvar generateComponentTrace = (noop); // work around flow check\nvar formatComponentName = (noop);\n\nif (true) {\n  var hasConsole = typeof console !== 'undefined';\n  var classifyRE = /(?:^|[-_])(\\w)/g;\n  var classify = function (str) { return str\n    .replace(classifyRE, function (c) { return c.toUpperCase(); })\n    .replace(/[-_]/g, ''); };\n\n  warn = function (msg, vm) {\n    var trace = vm ? generateComponentTrace(vm) : '';\n\n    if (config.warnHandler) {\n      config.warnHandler.call(null, msg, vm, trace);\n    } else if (hasConsole && (!config.silent)) {\n      console.error((\"[Vue warn]: \" + msg + trace));\n    }\n  };\n\n  tip = function (msg, vm) {\n    if (hasConsole && (!config.silent)) {\n      console.warn(\"[Vue tip]: \" + msg + (\n        vm ? generateComponentTrace(vm) : ''\n      ));\n    }\n  };\n\n  formatComponentName = function (vm, includeFile) {\n    if (vm.$root === vm) {\n      return '<Root>'\n    }\n    var options = typeof vm === 'function' && vm.cid != null\n      ? vm.options\n      : vm._isVue\n        ? vm.$options || vm.constructor.options\n        : vm;\n    var name = options.name || options._componentTag;\n    var file = options.__file;\n    if (!name && file) {\n      var match = file.match(/([^/\\\\]+)\\.vue$/);\n      name = match && match[1];\n    }\n\n    return (\n      (name ? (\"<\" + (classify(name)) + \">\") : \"<Anonymous>\") +\n      (file && includeFile !== false ? (\" at \" + file) : '')\n    )\n  };\n\n  var repeat = function (str, n) {\n    var res = '';\n    while (n) {\n      if (n % 2 === 1) { res += str; }\n      if (n > 1) { str += str; }\n      n >>= 1;\n    }\n    return res\n  };\n\n  generateComponentTrace = function (vm) {\n    if (vm._isVue && vm.$parent) {\n      var tree = [];\n      var currentRecursiveSequence = 0;\n      while (vm) {\n        if (tree.length > 0) {\n          var last = tree[tree.length - 1];\n          if (last.constructor === vm.constructor) {\n            currentRecursiveSequence++;\n            vm = vm.$parent;\n            continue\n          } else if (currentRecursiveSequence > 0) {\n            tree[tree.length - 1] = [last, currentRecursiveSequence];\n            currentRecursiveSequence = 0;\n          }\n        }\n        tree.push(vm);\n        vm = vm.$parent;\n      }\n      return '\\n\\nfound in\\n\\n' + tree\n        .map(function (vm, i) { return (\"\" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)\n            ? ((formatComponentName(vm[0])) + \"... (\" + (vm[1]) + \" recursive calls)\")\n            : formatComponentName(vm))); })\n        .join('\\n')\n    } else {\n      return (\"\\n\\n(found in \" + (formatComponentName(vm)) + \")\")\n    }\n  };\n}\n\n/*  */\n\nvar uid = 0;\n\n/**\n * A dep is an observable that can have multiple\n * directives subscribing to it.\n */\nvar Dep = function Dep () {\n  this.id = uid++;\n  this.subs = [];\n};\n\nDep.prototype.addSub = function addSub (sub) {\n  this.subs.push(sub);\n};\n\nDep.prototype.removeSub = function removeSub (sub) {\n  remove(this.subs, sub);\n};\n\nDep.prototype.depend = function depend () {\n  if (Dep.target) {\n    Dep.target.addDep(this);\n  }\n};\n\nDep.prototype.notify = function notify () {\n  // stabilize the subscriber list first\n  var subs = this.subs.slice();\n  if ( true && !config.async) {\n    // subs aren't sorted in scheduler if not running async\n    // we need to sort them now to make sure they fire in correct\n    // order\n    subs.sort(function (a, b) { return a.id - b.id; });\n  }\n  for (var i = 0, l = subs.length; i < l; i++) {\n    subs[i].update();\n  }\n};\n\n// The current target watcher being evaluated.\n// This is globally unique because only one watcher\n// can be evaluated at a time.\nDep.target = null;\nvar targetStack = [];\n\nfunction pushTarget (target) {\n  targetStack.push(target);\n  Dep.target = target;\n}\n\nfunction popTarget () {\n  targetStack.pop();\n  Dep.target = targetStack[targetStack.length - 1];\n}\n\n/*  */\n\nvar VNode = function VNode (\n  tag,\n  data,\n  children,\n  text,\n  elm,\n  context,\n  componentOptions,\n  asyncFactory\n) {\n  this.tag = tag;\n  this.data = data;\n  this.children = children;\n  this.text = text;\n  this.elm = elm;\n  this.ns = undefined;\n  this.context = context;\n  this.fnContext = undefined;\n  this.fnOptions = undefined;\n  this.fnScopeId = undefined;\n  this.key = data && data.key;\n  this.componentOptions = componentOptions;\n  this.componentInstance = undefined;\n  this.parent = undefined;\n  this.raw = false;\n  this.isStatic = false;\n  this.isRootInsert = true;\n  this.isComment = false;\n  this.isCloned = false;\n  this.isOnce = false;\n  this.asyncFactory = asyncFactory;\n  this.asyncMeta = undefined;\n  this.isAsyncPlaceholder = false;\n};\n\nvar prototypeAccessors = { child: { configurable: true } };\n\n// DEPRECATED: alias for componentInstance for backwards compat.\n/* istanbul ignore next */\nprototypeAccessors.child.get = function () {\n  return this.componentInstance\n};\n\nObject.defineProperties( VNode.prototype, prototypeAccessors );\n\nvar createEmptyVNode = function (text) {\n  if ( text === void 0 ) text = '';\n\n  var node = new VNode();\n  node.text = text;\n  node.isComment = true;\n  return node\n};\n\nfunction createTextVNode (val) {\n  return new VNode(undefined, undefined, undefined, String(val))\n}\n\n// optimized shallow clone\n// used for static nodes and slot nodes because they may be reused across\n// multiple renders, cloning them avoids errors when DOM manipulations rely\n// on their elm reference.\nfunction cloneVNode (vnode) {\n  var cloned = new VNode(\n    vnode.tag,\n    vnode.data,\n    // #7975\n    // clone children array to avoid mutating original in case of cloning\n    // a child.\n    vnode.children && vnode.children.slice(),\n    vnode.text,\n    vnode.elm,\n    vnode.context,\n    vnode.componentOptions,\n    vnode.asyncFactory\n  );\n  cloned.ns = vnode.ns;\n  cloned.isStatic = vnode.isStatic;\n  cloned.key = vnode.key;\n  cloned.isComment = vnode.isComment;\n  cloned.fnContext = vnode.fnContext;\n  cloned.fnOptions = vnode.fnOptions;\n  cloned.fnScopeId = vnode.fnScopeId;\n  cloned.asyncMeta = vnode.asyncMeta;\n  cloned.isCloned = true;\n  return cloned\n}\n\n/*\n * not type checking this file because flow doesn't play well with\n * dynamically accessing methods on Array prototype\n */\n\nvar arrayProto = Array.prototype;\nvar arrayMethods = Object.create(arrayProto);\n\nvar methodsToPatch = [\n  'push',\n  'pop',\n  'shift',\n  'unshift',\n  'splice',\n  'sort',\n  'reverse'\n];\n\n/**\n * Intercept mutating methods and emit events\n */\nmethodsToPatch.forEach(function (method) {\n  // cache original method\n  var original = arrayProto[method];\n  def(arrayMethods, method, function mutator () {\n    var args = [], len = arguments.length;\n    while ( len-- ) args[ len ] = arguments[ len ];\n\n    var result = original.apply(this, args);\n    var ob = this.__ob__;\n    var inserted;\n    switch (method) {\n      case 'push':\n      case 'unshift':\n        inserted = args;\n        break\n      case 'splice':\n        inserted = args.slice(2);\n        break\n    }\n    if (inserted) { ob.observeArray(inserted); }\n    // notify change\n    ob.dep.notify();\n    return result\n  });\n});\n\n/*  */\n\nvar arrayKeys = Object.getOwnPropertyNames(arrayMethods);\n\n/**\n * In some cases we may want to disable observation inside a component's\n * update computation.\n */\nvar shouldObserve = true;\n\nfunction toggleObserving (value) {\n  shouldObserve = value;\n}\n\n/**\n * Observer class that is attached to each observed\n * object. Once attached, the observer converts the target\n * object's property keys into getter/setters that\n * collect dependencies and dispatch updates.\n */\nvar Observer = function Observer (value) {\n  this.value = value;\n  this.dep = new Dep();\n  this.vmCount = 0;\n  def(value, '__ob__', this);\n  if (Array.isArray(value)) {\n    if (hasProto) {\n      protoAugment(value, arrayMethods);\n    } else {\n      copyAugment(value, arrayMethods, arrayKeys);\n    }\n    this.observeArray(value);\n  } else {\n    this.walk(value);\n  }\n};\n\n/**\n * Walk through all properties and convert them into\n * getter/setters. This method should only be called when\n * value type is Object.\n */\nObserver.prototype.walk = function walk (obj) {\n  var keys = Object.keys(obj);\n  for (var i = 0; i < keys.length; i++) {\n    defineReactive$$1(obj, keys[i]);\n  }\n};\n\n/**\n * Observe a list of Array items.\n */\nObserver.prototype.observeArray = function observeArray (items) {\n  for (var i = 0, l = items.length; i < l; i++) {\n    observe(items[i]);\n  }\n};\n\n// helpers\n\n/**\n * Augment a target Object or Array by intercepting\n * the prototype chain using __proto__\n */\nfunction protoAugment (target, src) {\n  /* eslint-disable no-proto */\n  target.__proto__ = src;\n  /* eslint-enable no-proto */\n}\n\n/**\n * Augment a target Object or Array by defining\n * hidden properties.\n */\n/* istanbul ignore next */\nfunction copyAugment (target, src, keys) {\n  for (var i = 0, l = keys.length; i < l; i++) {\n    var key = keys[i];\n    def(target, key, src[key]);\n  }\n}\n\n/**\n * Attempt to create an observer instance for a value,\n * returns the new observer if successfully observed,\n * or the existing observer if the value already has one.\n */\nfunction observe (value, asRootData) {\n  if (!isObject(value) || value instanceof VNode) {\n    return\n  }\n  var ob;\n  if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {\n    ob = value.__ob__;\n  } else if (\n    shouldObserve &&\n    !isServerRendering() &&\n    (Array.isArray(value) || isPlainObject(value)) &&\n    Object.isExtensible(value) &&\n    !value._isVue\n  ) {\n    ob = new Observer(value);\n  }\n  if (asRootData && ob) {\n    ob.vmCount++;\n  }\n  return ob\n}\n\n/**\n * Define a reactive property on an Object.\n */\nfunction defineReactive$$1 (\n  obj,\n  key,\n  val,\n  customSetter,\n  shallow\n) {\n  var dep = new Dep();\n\n  var property = Object.getOwnPropertyDescriptor(obj, key);\n  if (property && property.configurable === false) {\n    return\n  }\n\n  // cater for pre-defined getter/setters\n  var getter = property && property.get;\n  var setter = property && property.set;\n  if ((!getter || setter) && arguments.length === 2) {\n    val = obj[key];\n  }\n\n  var childOb = !shallow && observe(val);\n  Object.defineProperty(obj, key, {\n    enumerable: true,\n    configurable: true,\n    get: function reactiveGetter () {\n      var value = getter ? getter.call(obj) : val;\n      if (Dep.target) {\n        dep.depend();\n        if (childOb) {\n          childOb.dep.depend();\n          if (Array.isArray(value)) {\n            dependArray(value);\n          }\n        }\n      }\n      return value\n    },\n    set: function reactiveSetter (newVal) {\n      var value = getter ? getter.call(obj) : val;\n      /* eslint-disable no-self-compare */\n      if (newVal === value || (newVal !== newVal && value !== value)) {\n        return\n      }\n      /* eslint-enable no-self-compare */\n      if ( true && customSetter) {\n        customSetter();\n      }\n      // #7981: for accessor properties without setter\n      if (getter && !setter) { return }\n      if (setter) {\n        setter.call(obj, newVal);\n      } else {\n        val = newVal;\n      }\n      childOb = !shallow && observe(newVal);\n      dep.notify();\n    }\n  });\n}\n\n/**\n * Set a property on an object. Adds the new property and\n * triggers change notification if the property doesn't\n * already exist.\n */\nfunction set (target, key, val) {\n  if ( true &&\n    (isUndef(target) || isPrimitive(target))\n  ) {\n    warn((\"Cannot set reactive property on undefined, null, or primitive value: \" + ((target))));\n  }\n  if (Array.isArray(target) && isValidArrayIndex(key)) {\n    target.length = Math.max(target.length, key);\n    target.splice(key, 1, val);\n    return val\n  }\n  if (key in target && !(key in Object.prototype)) {\n    target[key] = val;\n    return val\n  }\n  var ob = (target).__ob__;\n  if (target._isVue || (ob && ob.vmCount)) {\n     true && warn(\n      'Avoid adding reactive properties to a Vue instance or its root $data ' +\n      'at runtime - declare it upfront in the data option.'\n    );\n    return val\n  }\n  if (!ob) {\n    target[key] = val;\n    return val\n  }\n  defineReactive$$1(ob.value, key, val);\n  ob.dep.notify();\n  return val\n}\n\n/**\n * Delete a property and trigger change if necessary.\n */\nfunction del (target, key) {\n  if ( true &&\n    (isUndef(target) || isPrimitive(target))\n  ) {\n    warn((\"Cannot delete reactive property on undefined, null, or primitive value: \" + ((target))));\n  }\n  if (Array.isArray(target) && isValidArrayIndex(key)) {\n    target.splice(key, 1);\n    return\n  }\n  var ob = (target).__ob__;\n  if (target._isVue || (ob && ob.vmCount)) {\n     true && warn(\n      'Avoid deleting properties on a Vue instance or its root $data ' +\n      '- just set it to null.'\n    );\n    return\n  }\n  if (!hasOwn(target, key)) {\n    return\n  }\n  delete target[key];\n  if (!ob) {\n    return\n  }\n  ob.dep.notify();\n}\n\n/**\n * Collect dependencies on array elements when the array is touched, since\n * we cannot intercept array element access like property getters.\n */\nfunction dependArray (value) {\n  for (var e = (void 0), i = 0, l = value.length; i < l; i++) {\n    e = value[i];\n    e && e.__ob__ && e.__ob__.dep.depend();\n    if (Array.isArray(e)) {\n      dependArray(e);\n    }\n  }\n}\n\n/*  */\n\n/**\n * Option overwriting strategies are functions that handle\n * how to merge a parent option value and a child option\n * value into the final value.\n */\nvar strats = config.optionMergeStrategies;\n\n/**\n * Options with restrictions\n */\nif (true) {\n  strats.el = strats.propsData = function (parent, child, vm, key) {\n    if (!vm) {\n      warn(\n        \"option \\\"\" + key + \"\\\" can only be used during instance \" +\n        'creation with the `new` keyword.'\n      );\n    }\n    return defaultStrat(parent, child)\n  };\n}\n\n/**\n * Helper that recursively merges two data objects together.\n */\nfunction mergeData (to, from) {\n  if (!from) { return to }\n  var key, toVal, fromVal;\n\n  var keys = hasSymbol\n    ? Reflect.ownKeys(from)\n    : Object.keys(from);\n\n  for (var i = 0; i < keys.length; i++) {\n    key = keys[i];\n    // in case the object is already observed...\n    if (key === '__ob__') { continue }\n    toVal = to[key];\n    fromVal = from[key];\n    if (!hasOwn(to, key)) {\n      set(to, key, fromVal);\n    } else if (\n      toVal !== fromVal &&\n      isPlainObject(toVal) &&\n      isPlainObject(fromVal)\n    ) {\n      mergeData(toVal, fromVal);\n    }\n  }\n  return to\n}\n\n/**\n * Data\n */\nfunction mergeDataOrFn (\n  parentVal,\n  childVal,\n  vm\n) {\n  if (!vm) {\n    // in a Vue.extend merge, both should be functions\n    if (!childVal) {\n      return parentVal\n    }\n    if (!parentVal) {\n      return childVal\n    }\n    // when parentVal & childVal are both present,\n    // we need to return a function that returns the\n    // merged result of both functions... no need to\n    // check if parentVal is a function here because\n    // it has to be a function to pass previous merges.\n    return function mergedDataFn () {\n      return mergeData(\n        typeof childVal === 'function' ? childVal.call(this, this) : childVal,\n        typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal\n      )\n    }\n  } else {\n    return function mergedInstanceDataFn () {\n      // instance merge\n      var instanceData = typeof childVal === 'function'\n        ? childVal.call(vm, vm)\n        : childVal;\n      var defaultData = typeof parentVal === 'function'\n        ? parentVal.call(vm, vm)\n        : parentVal;\n      if (instanceData) {\n        return mergeData(instanceData, defaultData)\n      } else {\n        return defaultData\n      }\n    }\n  }\n}\n\nstrats.data = function (\n  parentVal,\n  childVal,\n  vm\n) {\n  if (!vm) {\n    if (childVal && typeof childVal !== 'function') {\n       true && warn(\n        'The \"data\" option should be a function ' +\n        'that returns a per-instance value in component ' +\n        'definitions.',\n        vm\n      );\n\n      return parentVal\n    }\n    return mergeDataOrFn(parentVal, childVal)\n  }\n\n  return mergeDataOrFn(parentVal, childVal, vm)\n};\n\n/**\n * Hooks and props are merged as arrays.\n */\nfunction mergeHook (\n  parentVal,\n  childVal\n) {\n  var res = childVal\n    ? parentVal\n      ? parentVal.concat(childVal)\n      : Array.isArray(childVal)\n        ? childVal\n        : [childVal]\n    : parentVal;\n  return res\n    ? dedupeHooks(res)\n    : res\n}\n\nfunction dedupeHooks (hooks) {\n  var res = [];\n  for (var i = 0; i < hooks.length; i++) {\n    if (res.indexOf(hooks[i]) === -1) {\n      res.push(hooks[i]);\n    }\n  }\n  return res\n}\n\nLIFECYCLE_HOOKS.forEach(function (hook) {\n  strats[hook] = mergeHook;\n});\n\n/**\n * Assets\n *\n * When a vm is present (instance creation), we need to do\n * a three-way merge between constructor options, instance\n * options and parent options.\n */\nfunction mergeAssets (\n  parentVal,\n  childVal,\n  vm,\n  key\n) {\n  var res = Object.create(parentVal || null);\n  if (childVal) {\n     true && assertObjectType(key, childVal, vm);\n    return extend(res, childVal)\n  } else {\n    return res\n  }\n}\n\nASSET_TYPES.forEach(function (type) {\n  strats[type + 's'] = mergeAssets;\n});\n\n/**\n * Watchers.\n *\n * Watchers hashes should not overwrite one\n * another, so we merge them as arrays.\n */\nstrats.watch = function (\n  parentVal,\n  childVal,\n  vm,\n  key\n) {\n  // work around Firefox's Object.prototype.watch...\n  if (parentVal === nativeWatch) { parentVal = undefined; }\n  if (childVal === nativeWatch) { childVal = undefined; }\n  /* istanbul ignore if */\n  if (!childVal) { return Object.create(parentVal || null) }\n  if (true) {\n    assertObjectType(key, childVal, vm);\n  }\n  if (!parentVal) { return childVal }\n  var ret = {};\n  extend(ret, parentVal);\n  for (var key$1 in childVal) {\n    var parent = ret[key$1];\n    var child = childVal[key$1];\n    if (parent && !Array.isArray(parent)) {\n      parent = [parent];\n    }\n    ret[key$1] = parent\n      ? parent.concat(child)\n      : Array.isArray(child) ? child : [child];\n  }\n  return ret\n};\n\n/**\n * Other object hashes.\n */\nstrats.props =\nstrats.methods =\nstrats.inject =\nstrats.computed = function (\n  parentVal,\n  childVal,\n  vm,\n  key\n) {\n  if (childVal && \"development\" !== 'production') {\n    assertObjectType(key, childVal, vm);\n  }\n  if (!parentVal) { return childVal }\n  var ret = Object.create(null);\n  extend(ret, parentVal);\n  if (childVal) { extend(ret, childVal); }\n  return ret\n};\nstrats.provide = mergeDataOrFn;\n\n/**\n * Default strategy.\n */\nvar defaultStrat = function (parentVal, childVal) {\n  return childVal === undefined\n    ? parentVal\n    : childVal\n};\n\n/**\n * Validate component names\n */\nfunction checkComponents (options) {\n  for (var key in options.components) {\n    validateComponentName(key);\n  }\n}\n\nfunction validateComponentName (name) {\n  if (!new RegExp((\"^[a-zA-Z][\\\\-\\\\.0-9_\" + (unicodeRegExp.source) + \"]*$\")).test(name)) {\n    warn(\n      'Invalid component name: \"' + name + '\". Component names ' +\n      'should conform to valid custom element name in html5 specification.'\n    );\n  }\n  if (isBuiltInTag(name) || config.isReservedTag(name)) {\n    warn(\n      'Do not use built-in or reserved HTML elements as component ' +\n      'id: ' + name\n    );\n  }\n}\n\n/**\n * Ensure all props option syntax are normalized into the\n * Object-based format.\n */\nfunction normalizeProps (options, vm) {\n  var props = options.props;\n  if (!props) { return }\n  var res = {};\n  var i, val, name;\n  if (Array.isArray(props)) {\n    i = props.length;\n    while (i--) {\n      val = props[i];\n      if (typeof val === 'string') {\n        name = camelize(val);\n        res[name] = { type: null };\n      } else if (true) {\n        warn('props must be strings when using array syntax.');\n      }\n    }\n  } else if (isPlainObject(props)) {\n    for (var key in props) {\n      val = props[key];\n      name = camelize(key);\n      res[name] = isPlainObject(val)\n        ? val\n        : { type: val };\n    }\n  } else if (true) {\n    warn(\n      \"Invalid value for option \\\"props\\\": expected an Array or an Object, \" +\n      \"but got \" + (toRawType(props)) + \".\",\n      vm\n    );\n  }\n  options.props = res;\n}\n\n/**\n * Normalize all injections into Object-based format\n */\nfunction normalizeInject (options, vm) {\n  var inject = options.inject;\n  if (!inject) { return }\n  var normalized = options.inject = {};\n  if (Array.isArray(inject)) {\n    for (var i = 0; i < inject.length; i++) {\n      normalized[inject[i]] = { from: inject[i] };\n    }\n  } else if (isPlainObject(inject)) {\n    for (var key in inject) {\n      var val = inject[key];\n      normalized[key] = isPlainObject(val)\n        ? extend({ from: key }, val)\n        : { from: val };\n    }\n  } else if (true) {\n    warn(\n      \"Invalid value for option \\\"inject\\\": expected an Array or an Object, \" +\n      \"but got \" + (toRawType(inject)) + \".\",\n      vm\n    );\n  }\n}\n\n/**\n * Normalize raw function directives into object format.\n */\nfunction normalizeDirectives (options) {\n  var dirs = options.directives;\n  if (dirs) {\n    for (var key in dirs) {\n      var def$$1 = dirs[key];\n      if (typeof def$$1 === 'function') {\n        dirs[key] = { bind: def$$1, update: def$$1 };\n      }\n    }\n  }\n}\n\nfunction assertObjectType (name, value, vm) {\n  if (!isPlainObject(value)) {\n    warn(\n      \"Invalid value for option \\\"\" + name + \"\\\": expected an Object, \" +\n      \"but got \" + (toRawType(value)) + \".\",\n      vm\n    );\n  }\n}\n\n/**\n * Merge two option objects into a new one.\n * Core utility used in both instantiation and inheritance.\n */\nfunction mergeOptions (\n  parent,\n  child,\n  vm\n) {\n  if (true) {\n    checkComponents(child);\n  }\n\n  if (typeof child === 'function') {\n    child = child.options;\n  }\n\n  normalizeProps(child, vm);\n  normalizeInject(child, vm);\n  normalizeDirectives(child);\n\n  // Apply extends and mixins on the child options,\n  // but only if it is a raw options object that isn't\n  // the result of another mergeOptions call.\n  // Only merged options has the _base property.\n  if (!child._base) {\n    if (child.extends) {\n      parent = mergeOptions(parent, child.extends, vm);\n    }\n    if (child.mixins) {\n      for (var i = 0, l = child.mixins.length; i < l; i++) {\n        parent = mergeOptions(parent, child.mixins[i], vm);\n      }\n    }\n  }\n\n  var options = {};\n  var key;\n  for (key in parent) {\n    mergeField(key);\n  }\n  for (key in child) {\n    if (!hasOwn(parent, key)) {\n      mergeField(key);\n    }\n  }\n  function mergeField (key) {\n    var strat = strats[key] || defaultStrat;\n    options[key] = strat(parent[key], child[key], vm, key);\n  }\n  return options\n}\n\n/**\n * Resolve an asset.\n * This function is used because child instances need access\n * to assets defined in its ancestor chain.\n */\nfunction resolveAsset (\n  options,\n  type,\n  id,\n  warnMissing\n) {\n  /* istanbul ignore if */\n  if (typeof id !== 'string') {\n    return\n  }\n  var assets = options[type];\n  // check local registration variations first\n  if (hasOwn(assets, id)) { return assets[id] }\n  var camelizedId = camelize(id);\n  if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }\n  var PascalCaseId = capitalize(camelizedId);\n  if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }\n  // fallback to prototype chain\n  var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];\n  if ( true && warnMissing && !res) {\n    warn(\n      'Failed to resolve ' + type.slice(0, -1) + ': ' + id,\n      options\n    );\n  }\n  return res\n}\n\n/*  */\n\n\n\nfunction validateProp (\n  key,\n  propOptions,\n  propsData,\n  vm\n) {\n  var prop = propOptions[key];\n  var absent = !hasOwn(propsData, key);\n  var value = propsData[key];\n  // boolean casting\n  var booleanIndex = getTypeIndex(Boolean, prop.type);\n  if (booleanIndex > -1) {\n    if (absent && !hasOwn(prop, 'default')) {\n      value = false;\n    } else if (value === '' || value === hyphenate(key)) {\n      // only cast empty string / same name to boolean if\n      // boolean has higher priority\n      var stringIndex = getTypeIndex(String, prop.type);\n      if (stringIndex < 0 || booleanIndex < stringIndex) {\n        value = true;\n      }\n    }\n  }\n  // check default value\n  if (value === undefined) {\n    value = getPropDefaultValue(vm, prop, key);\n    // since the default value is a fresh copy,\n    // make sure to observe it.\n    var prevShouldObserve = shouldObserve;\n    toggleObserving(true);\n    observe(value);\n    toggleObserving(prevShouldObserve);\n  }\n  if (\n    true\n  ) {\n    assertProp(prop, key, value, vm, absent);\n  }\n  return value\n}\n\n/**\n * Get the default value of a prop.\n */\nfunction getPropDefaultValue (vm, prop, key) {\n  // no default, return undefined\n  if (!hasOwn(prop, 'default')) {\n    return undefined\n  }\n  var def = prop.default;\n  // warn against non-factory defaults for Object & Array\n  if ( true && isObject(def)) {\n    warn(\n      'Invalid default value for prop \"' + key + '\": ' +\n      'Props with type Object/Array must use a factory function ' +\n      'to return the default value.',\n      vm\n    );\n  }\n  // the raw prop value was also undefined from previous render,\n  // return previous default value to avoid unnecessary watcher trigger\n  if (vm && vm.$options.propsData &&\n    vm.$options.propsData[key] === undefined &&\n    vm._props[key] !== undefined\n  ) {\n    return vm._props[key]\n  }\n  // call factory function for non-Function types\n  // a value is Function if its prototype is function even across different execution context\n  return typeof def === 'function' && getType(prop.type) !== 'Function'\n    ? def.call(vm)\n    : def\n}\n\n/**\n * Assert whether a prop is valid.\n */\nfunction assertProp (\n  prop,\n  name,\n  value,\n  vm,\n  absent\n) {\n  if (prop.required && absent) {\n    warn(\n      'Missing required prop: \"' + name + '\"',\n      vm\n    );\n    return\n  }\n  if (value == null && !prop.required) {\n    return\n  }\n  var type = prop.type;\n  var valid = !type || type === true;\n  var expectedTypes = [];\n  if (type) {\n    if (!Array.isArray(type)) {\n      type = [type];\n    }\n    for (var i = 0; i < type.length && !valid; i++) {\n      var assertedType = assertType(value, type[i]);\n      expectedTypes.push(assertedType.expectedType || '');\n      valid = assertedType.valid;\n    }\n  }\n\n  if (!valid) {\n    warn(\n      getInvalidTypeMessage(name, value, expectedTypes),\n      vm\n    );\n    return\n  }\n  var validator = prop.validator;\n  if (validator) {\n    if (!validator(value)) {\n      warn(\n        'Invalid prop: custom validator check failed for prop \"' + name + '\".',\n        vm\n      );\n    }\n  }\n}\n\nvar simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;\n\nfunction assertType (value, type) {\n  var valid;\n  var expectedType = getType(type);\n  if (simpleCheckRE.test(expectedType)) {\n    var t = typeof value;\n    valid = t === expectedType.toLowerCase();\n    // for primitive wrapper objects\n    if (!valid && t === 'object') {\n      valid = value instanceof type;\n    }\n  } else if (expectedType === 'Object') {\n    valid = isPlainObject(value);\n  } else if (expectedType === 'Array') {\n    valid = Array.isArray(value);\n  } else {\n    valid = value instanceof type;\n  }\n  return {\n    valid: valid,\n    expectedType: expectedType\n  }\n}\n\n/**\n * Use function string name to check built-in types,\n * because a simple equality check will fail when running\n * across different vms / iframes.\n */\nfunction getType (fn) {\n  var match = fn && fn.toString().match(/^\\s*function (\\w+)/);\n  return match ? match[1] : ''\n}\n\nfunction isSameType (a, b) {\n  return getType(a) === getType(b)\n}\n\nfunction getTypeIndex (type, expectedTypes) {\n  if (!Array.isArray(expectedTypes)) {\n    return isSameType(expectedTypes, type) ? 0 : -1\n  }\n  for (var i = 0, len = expectedTypes.length; i < len; i++) {\n    if (isSameType(expectedTypes[i], type)) {\n      return i\n    }\n  }\n  return -1\n}\n\nfunction getInvalidTypeMessage (name, value, expectedTypes) {\n  var message = \"Invalid prop: type check failed for prop \\\"\" + name + \"\\\".\" +\n    \" Expected \" + (expectedTypes.map(capitalize).join(', '));\n  var expectedType = expectedTypes[0];\n  var receivedType = toRawType(value);\n  var expectedValue = styleValue(value, expectedType);\n  var receivedValue = styleValue(value, receivedType);\n  // check if we need to specify expected value\n  if (expectedTypes.length === 1 &&\n      isExplicable(expectedType) &&\n      !isBoolean(expectedType, receivedType)) {\n    message += \" with value \" + expectedValue;\n  }\n  message += \", got \" + receivedType + \" \";\n  // check if we need to specify received value\n  if (isExplicable(receivedType)) {\n    message += \"with value \" + receivedValue + \".\";\n  }\n  return message\n}\n\nfunction styleValue (value, type) {\n  if (type === 'String') {\n    return (\"\\\"\" + value + \"\\\"\")\n  } else if (type === 'Number') {\n    return (\"\" + (Number(value)))\n  } else {\n    return (\"\" + value)\n  }\n}\n\nfunction isExplicable (value) {\n  var explicitTypes = ['string', 'number', 'boolean'];\n  return explicitTypes.some(function (elem) { return value.toLowerCase() === elem; })\n}\n\nfunction isBoolean () {\n  var args = [], len = arguments.length;\n  while ( len-- ) args[ len ] = arguments[ len ];\n\n  return args.some(function (elem) { return elem.toLowerCase() === 'boolean'; })\n}\n\n/*  */\n\nfunction handleError (err, vm, info) {\n  // Deactivate deps tracking while processing error handler to avoid possible infinite rendering.\n  // See: https://github.com/vuejs/vuex/issues/1505\n  pushTarget();\n  try {\n    if (vm) {\n      var cur = vm;\n      while ((cur = cur.$parent)) {\n        var hooks = cur.$options.errorCaptured;\n        if (hooks) {\n          for (var i = 0; i < hooks.length; i++) {\n            try {\n              var capture = hooks[i].call(cur, err, vm, info) === false;\n              if (capture) { return }\n            } catch (e) {\n              globalHandleError(e, cur, 'errorCaptured hook');\n            }\n          }\n        }\n      }\n    }\n    globalHandleError(err, vm, info);\n  } finally {\n    popTarget();\n  }\n}\n\nfunction invokeWithErrorHandling (\n  handler,\n  context,\n  args,\n  vm,\n  info\n) {\n  var res;\n  try {\n    res = args ? handler.apply(context, args) : handler.call(context);\n    if (res && !res._isVue && isPromise(res) && !res._handled) {\n      res.catch(function (e) { return handleError(e, vm, info + \" (Promise/async)\"); });\n      // issue #9511\n      // avoid catch triggering multiple times when nested calls\n      res._handled = true;\n    }\n  } catch (e) {\n    handleError(e, vm, info);\n  }\n  return res\n}\n\nfunction globalHandleError (err, vm, info) {\n  if (config.errorHandler) {\n    try {\n      return config.errorHandler.call(null, err, vm, info)\n    } catch (e) {\n      // if the user intentionally throws the original error in the handler,\n      // do not log it twice\n      if (e !== err) {\n        logError(e, null, 'config.errorHandler');\n      }\n    }\n  }\n  logError(err, vm, info);\n}\n\nfunction logError (err, vm, info) {\n  if (true) {\n    warn((\"Error in \" + info + \": \\\"\" + (err.toString()) + \"\\\"\"), vm);\n  }\n  /* istanbul ignore else */\n  if ((inBrowser || inWeex) && typeof console !== 'undefined') {\n    console.error(err);\n  } else {\n    throw err\n  }\n}\n\n/*  */\n\nvar isUsingMicroTask = false;\n\nvar callbacks = [];\nvar pending = false;\n\nfunction flushCallbacks () {\n  pending = false;\n  var copies = callbacks.slice(0);\n  callbacks.length = 0;\n  for (var i = 0; i < copies.length; i++) {\n    copies[i]();\n  }\n}\n\n// Here we have async deferring wrappers using microtasks.\n// In 2.5 we used (macro) tasks (in combination with microtasks).\n// However, it has subtle problems when state is changed right before repaint\n// (e.g. #6813, out-in transitions).\n// Also, using (macro) tasks in event handler would cause some weird behaviors\n// that cannot be circumvented (e.g. #7109, #7153, #7546, #7834, #8109).\n// So we now use microtasks everywhere, again.\n// A major drawback of this tradeoff is that there are some scenarios\n// where microtasks have too high a priority and fire in between supposedly\n// sequential events (e.g. #4521, #6690, which have workarounds)\n// or even between bubbling of the same event (#6566).\nvar timerFunc;\n\n// The nextTick behavior leverages the microtask queue, which can be accessed\n// via either native Promise.then or MutationObserver.\n// MutationObserver has wider support, however it is seriously bugged in\n// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It\n// completely stops working after triggering a few times... so, if native\n// Promise is available, we will use it:\n/* istanbul ignore next, $flow-disable-line */\nif (typeof Promise !== 'undefined' && isNative(Promise)) {\n  var p = Promise.resolve();\n  timerFunc = function () {\n    p.then(flushCallbacks);\n    // In problematic UIWebViews, Promise.then doesn't completely break, but\n    // it can get stuck in a weird state where callbacks are pushed into the\n    // microtask queue but the queue isn't being flushed, until the browser\n    // needs to do some other work, e.g. handle a timer. Therefore we can\n    // \"force\" the microtask queue to be flushed by adding an empty timer.\n    if (isIOS) { setTimeout(noop); }\n  };\n  isUsingMicroTask = true;\n} else if (!isIE && typeof MutationObserver !== 'undefined' && (\n  isNative(MutationObserver) ||\n  // PhantomJS and iOS 7.x\n  MutationObserver.toString() === '[object MutationObserverConstructor]'\n)) {\n  // Use MutationObserver where native Promise is not available,\n  // e.g. PhantomJS, iOS7, Android 4.4\n  // (#6466 MutationObserver is unreliable in IE11)\n  var counter = 1;\n  var observer = new MutationObserver(flushCallbacks);\n  var textNode = document.createTextNode(String(counter));\n  observer.observe(textNode, {\n    characterData: true\n  });\n  timerFunc = function () {\n    counter = (counter + 1) % 2;\n    textNode.data = String(counter);\n  };\n  isUsingMicroTask = true;\n} else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {\n  // Fallback to setImmediate.\n  // Techinically it leverages the (macro) task queue,\n  // but it is still a better choice than setTimeout.\n  timerFunc = function () {\n    setImmediate(flushCallbacks);\n  };\n} else {\n  // Fallback to setTimeout.\n  timerFunc = function () {\n    setTimeout(flushCallbacks, 0);\n  };\n}\n\nfunction nextTick (cb, ctx) {\n  var _resolve;\n  callbacks.push(function () {\n    if (cb) {\n      try {\n        cb.call(ctx);\n      } catch (e) {\n        handleError(e, ctx, 'nextTick');\n      }\n    } else if (_resolve) {\n      _resolve(ctx);\n    }\n  });\n  if (!pending) {\n    pending = true;\n    timerFunc();\n  }\n  // $flow-disable-line\n  if (!cb && typeof Promise !== 'undefined') {\n    return new Promise(function (resolve) {\n      _resolve = resolve;\n    })\n  }\n}\n\n/*  */\n\nvar mark;\nvar measure;\n\nif (true) {\n  var perf = inBrowser && window.performance;\n  /* istanbul ignore if */\n  if (\n    perf &&\n    perf.mark &&\n    perf.measure &&\n    perf.clearMarks &&\n    perf.clearMeasures\n  ) {\n    mark = function (tag) { return perf.mark(tag); };\n    measure = function (name, startTag, endTag) {\n      perf.measure(name, startTag, endTag);\n      perf.clearMarks(startTag);\n      perf.clearMarks(endTag);\n      // perf.clearMeasures(name)\n    };\n  }\n}\n\n/* not type checking this file because flow doesn't play well with Proxy */\n\nvar initProxy;\n\nif (true) {\n  var allowedGlobals = makeMap(\n    'Infinity,undefined,NaN,isFinite,isNaN,' +\n    'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +\n    'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +\n    'require' // for Webpack/Browserify\n  );\n\n  var warnNonPresent = function (target, key) {\n    warn(\n      \"Property or method \\\"\" + key + \"\\\" is not defined on the instance but \" +\n      'referenced during render. Make sure that this property is reactive, ' +\n      'either in the data option, or for class-based components, by ' +\n      'initializing the property. ' +\n      'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.',\n      target\n    );\n  };\n\n  var warnReservedPrefix = function (target, key) {\n    warn(\n      \"Property \\\"\" + key + \"\\\" must be accessed with \\\"$data.\" + key + \"\\\" because \" +\n      'properties starting with \"$\" or \"_\" are not proxied in the Vue instance to ' +\n      'prevent conflicts with Vue internals' +\n      'See: https://vuejs.org/v2/api/#data',\n      target\n    );\n  };\n\n  var hasProxy =\n    typeof Proxy !== 'undefined' && isNative(Proxy);\n\n  if (hasProxy) {\n    var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');\n    config.keyCodes = new Proxy(config.keyCodes, {\n      set: function set (target, key, value) {\n        if (isBuiltInModifier(key)) {\n          warn((\"Avoid overwriting built-in modifier in config.keyCodes: .\" + key));\n          return false\n        } else {\n          target[key] = value;\n          return true\n        }\n      }\n    });\n  }\n\n  var hasHandler = {\n    has: function has (target, key) {\n      var has = key in target;\n      var isAllowed = allowedGlobals(key) ||\n        (typeof key === 'string' && key.charAt(0) === '_' && !(key in target.$data));\n      if (!has && !isAllowed) {\n        if (key in target.$data) { warnReservedPrefix(target, key); }\n        else { warnNonPresent(target, key); }\n      }\n      return has || !isAllowed\n    }\n  };\n\n  var getHandler = {\n    get: function get (target, key) {\n      if (typeof key === 'string' && !(key in target)) {\n        if (key in target.$data) { warnReservedPrefix(target, key); }\n        else { warnNonPresent(target, key); }\n      }\n      return target[key]\n    }\n  };\n\n  initProxy = function initProxy (vm) {\n    if (hasProxy) {\n      // determine which proxy handler to use\n      var options = vm.$options;\n      var handlers = options.render && options.render._withStripped\n        ? getHandler\n        : hasHandler;\n      vm._renderProxy = new Proxy(vm, handlers);\n    } else {\n      vm._renderProxy = vm;\n    }\n  };\n}\n\n/*  */\n\nvar seenObjects = new _Set();\n\n/**\n * Recursively traverse an object to evoke all converted\n * getters, so that every nested property inside the object\n * is collected as a \"deep\" dependency.\n */\nfunction traverse (val) {\n  _traverse(val, seenObjects);\n  seenObjects.clear();\n}\n\nfunction _traverse (val, seen) {\n  var i, keys;\n  var isA = Array.isArray(val);\n  if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {\n    return\n  }\n  if (val.__ob__) {\n    var depId = val.__ob__.dep.id;\n    if (seen.has(depId)) {\n      return\n    }\n    seen.add(depId);\n  }\n  if (isA) {\n    i = val.length;\n    while (i--) { _traverse(val[i], seen); }\n  } else {\n    keys = Object.keys(val);\n    i = keys.length;\n    while (i--) { _traverse(val[keys[i]], seen); }\n  }\n}\n\n/*  */\n\nvar normalizeEvent = cached(function (name) {\n  var passive = name.charAt(0) === '&';\n  name = passive ? name.slice(1) : name;\n  var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first\n  name = once$$1 ? name.slice(1) : name;\n  var capture = name.charAt(0) === '!';\n  name = capture ? name.slice(1) : name;\n  return {\n    name: name,\n    once: once$$1,\n    capture: capture,\n    passive: passive\n  }\n});\n\nfunction createFnInvoker (fns, vm) {\n  function invoker () {\n    var arguments$1 = arguments;\n\n    var fns = invoker.fns;\n    if (Array.isArray(fns)) {\n      var cloned = fns.slice();\n      for (var i = 0; i < cloned.length; i++) {\n        invokeWithErrorHandling(cloned[i], null, arguments$1, vm, \"v-on handler\");\n      }\n    } else {\n      // return handler return value for single handlers\n      return invokeWithErrorHandling(fns, null, arguments, vm, \"v-on handler\")\n    }\n  }\n  invoker.fns = fns;\n  return invoker\n}\n\nfunction updateListeners (\n  on,\n  oldOn,\n  add,\n  remove$$1,\n  createOnceHandler,\n  vm\n) {\n  var name, def$$1, cur, old, event;\n  for (name in on) {\n    def$$1 = cur = on[name];\n    old = oldOn[name];\n    event = normalizeEvent(name);\n    if (isUndef(cur)) {\n       true && warn(\n        \"Invalid handler for event \\\"\" + (event.name) + \"\\\": got \" + String(cur),\n        vm\n      );\n    } else if (isUndef(old)) {\n      if (isUndef(cur.fns)) {\n        cur = on[name] = createFnInvoker(cur, vm);\n      }\n      if (isTrue(event.once)) {\n        cur = on[name] = createOnceHandler(event.name, cur, event.capture);\n      }\n      add(event.name, cur, event.capture, event.passive, event.params);\n    } else if (cur !== old) {\n      old.fns = cur;\n      on[name] = old;\n    }\n  }\n  for (name in oldOn) {\n    if (isUndef(on[name])) {\n      event = normalizeEvent(name);\n      remove$$1(event.name, oldOn[name], event.capture);\n    }\n  }\n}\n\n/*  */\n\nfunction mergeVNodeHook (def, hookKey, hook) {\n  if (def instanceof VNode) {\n    def = def.data.hook || (def.data.hook = {});\n  }\n  var invoker;\n  var oldHook = def[hookKey];\n\n  function wrappedHook () {\n    hook.apply(this, arguments);\n    // important: remove merged hook to ensure it's called only once\n    // and prevent memory leak\n    remove(invoker.fns, wrappedHook);\n  }\n\n  if (isUndef(oldHook)) {\n    // no existing hook\n    invoker = createFnInvoker([wrappedHook]);\n  } else {\n    /* istanbul ignore if */\n    if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {\n      // already a merged invoker\n      invoker = oldHook;\n      invoker.fns.push(wrappedHook);\n    } else {\n      // existing plain hook\n      invoker = createFnInvoker([oldHook, wrappedHook]);\n    }\n  }\n\n  invoker.merged = true;\n  def[hookKey] = invoker;\n}\n\n/*  */\n\nfunction extractPropsFromVNodeData (\n  data,\n  Ctor,\n  tag\n) {\n  // we are only extracting raw values here.\n  // validation and default values are handled in the child\n  // component itself.\n  var propOptions = Ctor.options.props;\n  if (isUndef(propOptions)) {\n    return\n  }\n  var res = {};\n  var attrs = data.attrs;\n  var props = data.props;\n  if (isDef(attrs) || isDef(props)) {\n    for (var key in propOptions) {\n      var altKey = hyphenate(key);\n      if (true) {\n        var keyInLowerCase = key.toLowerCase();\n        if (\n          key !== keyInLowerCase &&\n          attrs && hasOwn(attrs, keyInLowerCase)\n        ) {\n          tip(\n            \"Prop \\\"\" + keyInLowerCase + \"\\\" is passed to component \" +\n            (formatComponentName(tag || Ctor)) + \", but the declared prop name is\" +\n            \" \\\"\" + key + \"\\\". \" +\n            \"Note that HTML attributes are case-insensitive and camelCased \" +\n            \"props need to use their kebab-case equivalents when using in-DOM \" +\n            \"templates. You should probably use \\\"\" + altKey + \"\\\" instead of \\\"\" + key + \"\\\".\"\n          );\n        }\n      }\n      checkProp(res, props, key, altKey, true) ||\n      checkProp(res, attrs, key, altKey, false);\n    }\n  }\n  return res\n}\n\nfunction checkProp (\n  res,\n  hash,\n  key,\n  altKey,\n  preserve\n) {\n  if (isDef(hash)) {\n    if (hasOwn(hash, key)) {\n      res[key] = hash[key];\n      if (!preserve) {\n        delete hash[key];\n      }\n      return true\n    } else if (hasOwn(hash, altKey)) {\n      res[key] = hash[altKey];\n      if (!preserve) {\n        delete hash[altKey];\n      }\n      return true\n    }\n  }\n  return false\n}\n\n/*  */\n\n// The template compiler attempts to minimize the need for normalization by\n// statically analyzing the template at compile time.\n//\n// For plain HTML markup, normalization can be completely skipped because the\n// generated render function is guaranteed to return Array<VNode>. There are\n// two cases where extra normalization is needed:\n\n// 1. When the children contains components - because a functional component\n// may return an Array instead of a single root. In this case, just a simple\n// normalization is needed - if any child is an Array, we flatten the whole\n// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep\n// because functional components already normalize their own children.\nfunction simpleNormalizeChildren (children) {\n  for (var i = 0; i < children.length; i++) {\n    if (Array.isArray(children[i])) {\n      return Array.prototype.concat.apply([], children)\n    }\n  }\n  return children\n}\n\n// 2. When the children contains constructs that always generated nested Arrays,\n// e.g. <template>, <slot>, v-for, or when the children is provided by user\n// with hand-written render functions / JSX. In such cases a full normalization\n// is needed to cater to all possible types of children values.\nfunction normalizeChildren (children) {\n  return isPrimitive(children)\n    ? [createTextVNode(children)]\n    : Array.isArray(children)\n      ? normalizeArrayChildren(children)\n      : undefined\n}\n\nfunction isTextNode (node) {\n  return isDef(node) && isDef(node.text) && isFalse(node.isComment)\n}\n\nfunction normalizeArrayChildren (children, nestedIndex) {\n  var res = [];\n  var i, c, lastIndex, last;\n  for (i = 0; i < children.length; i++) {\n    c = children[i];\n    if (isUndef(c) || typeof c === 'boolean') { continue }\n    lastIndex = res.length - 1;\n    last = res[lastIndex];\n    //  nested\n    if (Array.isArray(c)) {\n      if (c.length > 0) {\n        c = normalizeArrayChildren(c, ((nestedIndex || '') + \"_\" + i));\n        // merge adjacent text nodes\n        if (isTextNode(c[0]) && isTextNode(last)) {\n          res[lastIndex] = createTextVNode(last.text + (c[0]).text);\n          c.shift();\n        }\n        res.push.apply(res, c);\n      }\n    } else if (isPrimitive(c)) {\n      if (isTextNode(last)) {\n        // merge adjacent text nodes\n        // this is necessary for SSR hydration because text nodes are\n        // essentially merged when rendered to HTML strings\n        res[lastIndex] = createTextVNode(last.text + c);\n      } else if (c !== '') {\n        // convert primitive to vnode\n        res.push(createTextVNode(c));\n      }\n    } else {\n      if (isTextNode(c) && isTextNode(last)) {\n        // merge adjacent text nodes\n        res[lastIndex] = createTextVNode(last.text + c.text);\n      } else {\n        // default key for nested array children (likely generated by v-for)\n        if (isTrue(children._isVList) &&\n          isDef(c.tag) &&\n          isUndef(c.key) &&\n          isDef(nestedIndex)) {\n          c.key = \"__vlist\" + nestedIndex + \"_\" + i + \"__\";\n        }\n        res.push(c);\n      }\n    }\n  }\n  return res\n}\n\n/*  */\n\nfunction initProvide (vm) {\n  var provide = vm.$options.provide;\n  if (provide) {\n    vm._provided = typeof provide === 'function'\n      ? provide.call(vm)\n      : provide;\n  }\n}\n\nfunction initInjections (vm) {\n  var result = resolveInject(vm.$options.inject, vm);\n  if (result) {\n    toggleObserving(false);\n    Object.keys(result).forEach(function (key) {\n      /* istanbul ignore else */\n      if (true) {\n        defineReactive$$1(vm, key, result[key], function () {\n          warn(\n            \"Avoid mutating an injected value directly since the changes will be \" +\n            \"overwritten whenever the provided component re-renders. \" +\n            \"injection being mutated: \\\"\" + key + \"\\\"\",\n            vm\n          );\n        });\n      } else {}\n    });\n    toggleObserving(true);\n  }\n}\n\nfunction resolveInject (inject, vm) {\n  if (inject) {\n    // inject is :any because flow is not smart enough to figure out cached\n    var result = Object.create(null);\n    var keys = hasSymbol\n      ? Reflect.ownKeys(inject)\n      : Object.keys(inject);\n\n    for (var i = 0; i < keys.length; i++) {\n      var key = keys[i];\n      // #6574 in case the inject object is observed...\n      if (key === '__ob__') { continue }\n      var provideKey = inject[key].from;\n      var source = vm;\n      while (source) {\n        if (source._provided && hasOwn(source._provided, provideKey)) {\n          result[key] = source._provided[provideKey];\n          break\n        }\n        source = source.$parent;\n      }\n      if (!source) {\n        if ('default' in inject[key]) {\n          var provideDefault = inject[key].default;\n          result[key] = typeof provideDefault === 'function'\n            ? provideDefault.call(vm)\n            : provideDefault;\n        } else if (true) {\n          warn((\"Injection \\\"\" + key + \"\\\" not found\"), vm);\n        }\n      }\n    }\n    return result\n  }\n}\n\n/*  */\n\n\n\n/**\n * Runtime helper for resolving raw children VNodes into a slot object.\n */\nfunction resolveSlots (\n  children,\n  context\n) {\n  if (!children || !children.length) {\n    return {}\n  }\n  var slots = {};\n  for (var i = 0, l = children.length; i < l; i++) {\n    var child = children[i];\n    var data = child.data;\n    // remove slot attribute if the node is resolved as a Vue slot node\n    if (data && data.attrs && data.attrs.slot) {\n      delete data.attrs.slot;\n    }\n    // named slots should only be respected if the vnode was rendered in the\n    // same context.\n    if ((child.context === context || child.fnContext === context) &&\n      data && data.slot != null\n    ) {\n      var name = data.slot;\n      var slot = (slots[name] || (slots[name] = []));\n      if (child.tag === 'template') {\n        slot.push.apply(slot, child.children || []);\n      } else {\n        slot.push(child);\n      }\n    } else {\n      (slots.default || (slots.default = [])).push(child);\n    }\n  }\n  // ignore slots that contains only whitespace\n  for (var name$1 in slots) {\n    if (slots[name$1].every(isWhitespace)) {\n      delete slots[name$1];\n    }\n  }\n  return slots\n}\n\nfunction isWhitespace (node) {\n  return (node.isComment && !node.asyncFactory) || node.text === ' '\n}\n\n/*  */\n\nfunction normalizeScopedSlots (\n  slots,\n  normalSlots,\n  prevSlots\n) {\n  var res;\n  var hasNormalSlots = Object.keys(normalSlots).length > 0;\n  var isStable = slots ? !!slots.$stable : !hasNormalSlots;\n  var key = slots && slots.$key;\n  if (!slots) {\n    res = {};\n  } else if (slots._normalized) {\n    // fast path 1: child component re-render only, parent did not change\n    return slots._normalized\n  } else if (\n    isStable &&\n    prevSlots &&\n    prevSlots !== emptyObject &&\n    key === prevSlots.$key &&\n    !hasNormalSlots &&\n    !prevSlots.$hasNormal\n  ) {\n    // fast path 2: stable scoped slots w/ no normal slots to proxy,\n    // only need to normalize once\n    return prevSlots\n  } else {\n    res = {};\n    for (var key$1 in slots) {\n      if (slots[key$1] && key$1[0] !== '$') {\n        res[key$1] = normalizeScopedSlot(normalSlots, key$1, slots[key$1]);\n      }\n    }\n  }\n  // expose normal slots on scopedSlots\n  for (var key$2 in normalSlots) {\n    if (!(key$2 in res)) {\n      res[key$2] = proxyNormalSlot(normalSlots, key$2);\n    }\n  }\n  // avoriaz seems to mock a non-extensible $scopedSlots object\n  // and when that is passed down this would cause an error\n  if (slots && Object.isExtensible(slots)) {\n    (slots)._normalized = res;\n  }\n  def(res, '$stable', isStable);\n  def(res, '$key', key);\n  def(res, '$hasNormal', hasNormalSlots);\n  return res\n}\n\nfunction normalizeScopedSlot(normalSlots, key, fn) {\n  var normalized = function () {\n    var res = arguments.length ? fn.apply(null, arguments) : fn({});\n    res = res && typeof res === 'object' && !Array.isArray(res)\n      ? [res] // single vnode\n      : normalizeChildren(res);\n    return res && (\n      res.length === 0 ||\n      (res.length === 1 && res[0].isComment) // #9658\n    ) ? undefined\n      : res\n  };\n  // this is a slot using the new v-slot syntax without scope. although it is\n  // compiled as a scoped slot, render fn users would expect it to be present\n  // on this.$slots because the usage is semantically a normal slot.\n  if (fn.proxy) {\n    Object.defineProperty(normalSlots, key, {\n      get: normalized,\n      enumerable: true,\n      configurable: true\n    });\n  }\n  return normalized\n}\n\nfunction proxyNormalSlot(slots, key) {\n  return function () { return slots[key]; }\n}\n\n/*  */\n\n/**\n * Runtime helper for rendering v-for lists.\n */\nfunction renderList (\n  val,\n  render\n) {\n  var ret, i, l, keys, key;\n  if (Array.isArray(val) || typeof val === 'string') {\n    ret = new Array(val.length);\n    for (i = 0, l = val.length; i < l; i++) {\n      ret[i] = render(val[i], i);\n    }\n  } else if (typeof val === 'number') {\n    ret = new Array(val);\n    for (i = 0; i < val; i++) {\n      ret[i] = render(i + 1, i);\n    }\n  } else if (isObject(val)) {\n    if (hasSymbol && val[Symbol.iterator]) {\n      ret = [];\n      var iterator = val[Symbol.iterator]();\n      var result = iterator.next();\n      while (!result.done) {\n        ret.push(render(result.value, ret.length));\n        result = iterator.next();\n      }\n    } else {\n      keys = Object.keys(val);\n      ret = new Array(keys.length);\n      for (i = 0, l = keys.length; i < l; i++) {\n        key = keys[i];\n        ret[i] = render(val[key], key, i);\n      }\n    }\n  }\n  if (!isDef(ret)) {\n    ret = [];\n  }\n  (ret)._isVList = true;\n  return ret\n}\n\n/*  */\n\n/**\n * Runtime helper for rendering <slot>\n */\nfunction renderSlot (\n  name,\n  fallback,\n  props,\n  bindObject\n) {\n  var scopedSlotFn = this.$scopedSlots[name];\n  var nodes;\n  if (scopedSlotFn) { // scoped slot\n    props = props || {};\n    if (bindObject) {\n      if ( true && !isObject(bindObject)) {\n        warn(\n          'slot v-bind without argument expects an Object',\n          this\n        );\n      }\n      props = extend(extend({}, bindObject), props);\n    }\n    nodes = scopedSlotFn(props) || fallback;\n  } else {\n    nodes = this.$slots[name] || fallback;\n  }\n\n  var target = props && props.slot;\n  if (target) {\n    return this.$createElement('template', { slot: target }, nodes)\n  } else {\n    return nodes\n  }\n}\n\n/*  */\n\n/**\n * Runtime helper for resolving filters\n */\nfunction resolveFilter (id) {\n  return resolveAsset(this.$options, 'filters', id, true) || identity\n}\n\n/*  */\n\nfunction isKeyNotMatch (expect, actual) {\n  if (Array.isArray(expect)) {\n    return expect.indexOf(actual) === -1\n  } else {\n    return expect !== actual\n  }\n}\n\n/**\n * Runtime helper for checking keyCodes from config.\n * exposed as Vue.prototype._k\n * passing in eventKeyName as last argument separately for backwards compat\n */\nfunction checkKeyCodes (\n  eventKeyCode,\n  key,\n  builtInKeyCode,\n  eventKeyName,\n  builtInKeyName\n) {\n  var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;\n  if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {\n    return isKeyNotMatch(builtInKeyName, eventKeyName)\n  } else if (mappedKeyCode) {\n    return isKeyNotMatch(mappedKeyCode, eventKeyCode)\n  } else if (eventKeyName) {\n    return hyphenate(eventKeyName) !== key\n  }\n}\n\n/*  */\n\n/**\n * Runtime helper for merging v-bind=\"object\" into a VNode's data.\n */\nfunction bindObjectProps (\n  data,\n  tag,\n  value,\n  asProp,\n  isSync\n) {\n  if (value) {\n    if (!isObject(value)) {\n       true && warn(\n        'v-bind without argument expects an Object or Array value',\n        this\n      );\n    } else {\n      if (Array.isArray(value)) {\n        value = toObject(value);\n      }\n      var hash;\n      var loop = function ( key ) {\n        if (\n          key === 'class' ||\n          key === 'style' ||\n          isReservedAttribute(key)\n        ) {\n          hash = data;\n        } else {\n          var type = data.attrs && data.attrs.type;\n          hash = asProp || config.mustUseProp(tag, type, key)\n            ? data.domProps || (data.domProps = {})\n            : data.attrs || (data.attrs = {});\n        }\n        var camelizedKey = camelize(key);\n        var hyphenatedKey = hyphenate(key);\n        if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {\n          hash[key] = value[key];\n\n          if (isSync) {\n            var on = data.on || (data.on = {});\n            on[(\"update:\" + key)] = function ($event) {\n              value[key] = $event;\n            };\n          }\n        }\n      };\n\n      for (var key in value) loop( key );\n    }\n  }\n  return data\n}\n\n/*  */\n\n/**\n * Runtime helper for rendering static trees.\n */\nfunction renderStatic (\n  index,\n  isInFor\n) {\n  var cached = this._staticTrees || (this._staticTrees = []);\n  var tree = cached[index];\n  // if has already-rendered static tree and not inside v-for,\n  // we can reuse the same tree.\n  if (tree && !isInFor) {\n    return tree\n  }\n  // otherwise, render a fresh tree.\n  tree = cached[index] = this.$options.staticRenderFns[index].call(\n    this._renderProxy,\n    null,\n    this // for render fns generated for functional component templates\n  );\n  markStatic(tree, (\"__static__\" + index), false);\n  return tree\n}\n\n/**\n * Runtime helper for v-once.\n * Effectively it means marking the node as static with a unique key.\n */\nfunction markOnce (\n  tree,\n  index,\n  key\n) {\n  markStatic(tree, (\"__once__\" + index + (key ? (\"_\" + key) : \"\")), true);\n  return tree\n}\n\nfunction markStatic (\n  tree,\n  key,\n  isOnce\n) {\n  if (Array.isArray(tree)) {\n    for (var i = 0; i < tree.length; i++) {\n      if (tree[i] && typeof tree[i] !== 'string') {\n        markStaticNode(tree[i], (key + \"_\" + i), isOnce);\n      }\n    }\n  } else {\n    markStaticNode(tree, key, isOnce);\n  }\n}\n\nfunction markStaticNode (node, key, isOnce) {\n  node.isStatic = true;\n  node.key = key;\n  node.isOnce = isOnce;\n}\n\n/*  */\n\nfunction bindObjectListeners (data, value) {\n  if (value) {\n    if (!isPlainObject(value)) {\n       true && warn(\n        'v-on without argument expects an Object value',\n        this\n      );\n    } else {\n      var on = data.on = data.on ? extend({}, data.on) : {};\n      for (var key in value) {\n        var existing = on[key];\n        var ours = value[key];\n        on[key] = existing ? [].concat(existing, ours) : ours;\n      }\n    }\n  }\n  return data\n}\n\n/*  */\n\nfunction resolveScopedSlots (\n  fns, // see flow/vnode\n  res,\n  // the following are added in 2.6\n  hasDynamicKeys,\n  contentHashKey\n) {\n  res = res || { $stable: !hasDynamicKeys };\n  for (var i = 0; i < fns.length; i++) {\n    var slot = fns[i];\n    if (Array.isArray(slot)) {\n      resolveScopedSlots(slot, res, hasDynamicKeys);\n    } else if (slot) {\n      // marker for reverse proxying v-slot without scope on this.$slots\n      if (slot.proxy) {\n        slot.fn.proxy = true;\n      }\n      res[slot.key] = slot.fn;\n    }\n  }\n  if (contentHashKey) {\n    (res).$key = contentHashKey;\n  }\n  return res\n}\n\n/*  */\n\nfunction bindDynamicKeys (baseObj, values) {\n  for (var i = 0; i < values.length; i += 2) {\n    var key = values[i];\n    if (typeof key === 'string' && key) {\n      baseObj[values[i]] = values[i + 1];\n    } else if ( true && key !== '' && key !== null) {\n      // null is a speical value for explicitly removing a binding\n      warn(\n        (\"Invalid value for dynamic directive argument (expected string or null): \" + key),\n        this\n      );\n    }\n  }\n  return baseObj\n}\n\n// helper to dynamically append modifier runtime markers to event names.\n// ensure only append when value is already string, otherwise it will be cast\n// to string and cause the type check to miss.\nfunction prependModifier (value, symbol) {\n  return typeof value === 'string' ? symbol + value : value\n}\n\n/*  */\n\nfunction installRenderHelpers (target) {\n  target._o = markOnce;\n  target._n = toNumber;\n  target._s = toString;\n  target._l = renderList;\n  target._t = renderSlot;\n  target._q = looseEqual;\n  target._i = looseIndexOf;\n  target._m = renderStatic;\n  target._f = resolveFilter;\n  target._k = checkKeyCodes;\n  target._b = bindObjectProps;\n  target._v = createTextVNode;\n  target._e = createEmptyVNode;\n  target._u = resolveScopedSlots;\n  target._g = bindObjectListeners;\n  target._d = bindDynamicKeys;\n  target._p = prependModifier;\n}\n\n/*  */\n\nfunction FunctionalRenderContext (\n  data,\n  props,\n  children,\n  parent,\n  Ctor\n) {\n  var this$1 = this;\n\n  var options = Ctor.options;\n  // ensure the createElement function in functional components\n  // gets a unique context - this is necessary for correct named slot check\n  var contextVm;\n  if (hasOwn(parent, '_uid')) {\n    contextVm = Object.create(parent);\n    // $flow-disable-line\n    contextVm._original = parent;\n  } else {\n    // the context vm passed in is a functional context as well.\n    // in this case we want to make sure we are able to get a hold to the\n    // real context instance.\n    contextVm = parent;\n    // $flow-disable-line\n    parent = parent._original;\n  }\n  var isCompiled = isTrue(options._compiled);\n  var needNormalization = !isCompiled;\n\n  this.data = data;\n  this.props = props;\n  this.children = children;\n  this.parent = parent;\n  this.listeners = data.on || emptyObject;\n  this.injections = resolveInject(options.inject, parent);\n  this.slots = function () {\n    if (!this$1.$slots) {\n      normalizeScopedSlots(\n        data.scopedSlots,\n        this$1.$slots = resolveSlots(children, parent)\n      );\n    }\n    return this$1.$slots\n  };\n\n  Object.defineProperty(this, 'scopedSlots', ({\n    enumerable: true,\n    get: function get () {\n      return normalizeScopedSlots(data.scopedSlots, this.slots())\n    }\n  }));\n\n  // support for compiled functional template\n  if (isCompiled) {\n    // exposing $options for renderStatic()\n    this.$options = options;\n    // pre-resolve slots for renderSlot()\n    this.$slots = this.slots();\n    this.$scopedSlots = normalizeScopedSlots(data.scopedSlots, this.$slots);\n  }\n\n  if (options._scopeId) {\n    this._c = function (a, b, c, d) {\n      var vnode = createElement(contextVm, a, b, c, d, needNormalization);\n      if (vnode && !Array.isArray(vnode)) {\n        vnode.fnScopeId = options._scopeId;\n        vnode.fnContext = parent;\n      }\n      return vnode\n    };\n  } else {\n    this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); };\n  }\n}\n\ninstallRenderHelpers(FunctionalRenderContext.prototype);\n\nfunction createFunctionalComponent (\n  Ctor,\n  propsData,\n  data,\n  contextVm,\n  children\n) {\n  var options = Ctor.options;\n  var props = {};\n  var propOptions = options.props;\n  if (isDef(propOptions)) {\n    for (var key in propOptions) {\n      props[key] = validateProp(key, propOptions, propsData || emptyObject);\n    }\n  } else {\n    if (isDef(data.attrs)) { mergeProps(props, data.attrs); }\n    if (isDef(data.props)) { mergeProps(props, data.props); }\n  }\n\n  var renderContext = new FunctionalRenderContext(\n    data,\n    props,\n    children,\n    contextVm,\n    Ctor\n  );\n\n  var vnode = options.render.call(null, renderContext._c, renderContext);\n\n  if (vnode instanceof VNode) {\n    return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext)\n  } else if (Array.isArray(vnode)) {\n    var vnodes = normalizeChildren(vnode) || [];\n    var res = new Array(vnodes.length);\n    for (var i = 0; i < vnodes.length; i++) {\n      res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);\n    }\n    return res\n  }\n}\n\nfunction cloneAndMarkFunctionalResult (vnode, data, contextVm, options, renderContext) {\n  // #7817 clone node before setting fnContext, otherwise if the node is reused\n  // (e.g. it was from a cached normal slot) the fnContext causes named slots\n  // that should not be matched to match.\n  var clone = cloneVNode(vnode);\n  clone.fnContext = contextVm;\n  clone.fnOptions = options;\n  if (true) {\n    (clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext = renderContext;\n  }\n  if (data.slot) {\n    (clone.data || (clone.data = {})).slot = data.slot;\n  }\n  return clone\n}\n\nfunction mergeProps (to, from) {\n  for (var key in from) {\n    to[camelize(key)] = from[key];\n  }\n}\n\n/*  */\n\n/*  */\n\n/*  */\n\n/*  */\n\n// inline hooks to be invoked on component VNodes during patch\nvar componentVNodeHooks = {\n  init: function init (vnode, hydrating) {\n    if (\n      vnode.componentInstance &&\n      !vnode.componentInstance._isDestroyed &&\n      vnode.data.keepAlive\n    ) {\n      // kept-alive components, treat as a patch\n      var mountedNode = vnode; // work around flow\n      componentVNodeHooks.prepatch(mountedNode, mountedNode);\n    } else {\n      var child = vnode.componentInstance = createComponentInstanceForVnode(\n        vnode,\n        activeInstance\n      );\n      child.$mount(hydrating ? vnode.elm : undefined, hydrating);\n    }\n  },\n\n  prepatch: function prepatch (oldVnode, vnode) {\n    var options = vnode.componentOptions;\n    var child = vnode.componentInstance = oldVnode.componentInstance;\n    updateChildComponent(\n      child,\n      options.propsData, // updated props\n      options.listeners, // updated listeners\n      vnode, // new parent vnode\n      options.children // new children\n    );\n  },\n\n  insert: function insert (vnode) {\n    var context = vnode.context;\n    var componentInstance = vnode.componentInstance;\n    if (!componentInstance._isMounted) {\n      componentInstance._isMounted = true;\n      callHook(componentInstance, 'mounted');\n    }\n    if (vnode.data.keepAlive) {\n      if (context._isMounted) {\n        // vue-router#1212\n        // During updates, a kept-alive component's child components may\n        // change, so directly walking the tree here may call activated hooks\n        // on incorrect children. Instead we push them into a queue which will\n        // be processed after the whole patch process ended.\n        queueActivatedComponent(componentInstance);\n      } else {\n        activateChildComponent(componentInstance, true /* direct */);\n      }\n    }\n  },\n\n  destroy: function destroy (vnode) {\n    var componentInstance = vnode.componentInstance;\n    if (!componentInstance._isDestroyed) {\n      if (!vnode.data.keepAlive) {\n        componentInstance.$destroy();\n      } else {\n        deactivateChildComponent(componentInstance, true /* direct */);\n      }\n    }\n  }\n};\n\nvar hooksToMerge = Object.keys(componentVNodeHooks);\n\nfunction createComponent (\n  Ctor,\n  data,\n  context,\n  children,\n  tag\n) {\n  if (isUndef(Ctor)) {\n    return\n  }\n\n  var baseCtor = context.$options._base;\n\n  // plain options object: turn it into a constructor\n  if (isObject(Ctor)) {\n    Ctor = baseCtor.extend(Ctor);\n  }\n\n  // if at this stage it's not a constructor or an async component factory,\n  // reject.\n  if (typeof Ctor !== 'function') {\n    if (true) {\n      warn((\"Invalid Component definition: \" + (String(Ctor))), context);\n    }\n    return\n  }\n\n  // async component\n  var asyncFactory;\n  if (isUndef(Ctor.cid)) {\n    asyncFactory = Ctor;\n    Ctor = resolveAsyncComponent(asyncFactory, baseCtor);\n    if (Ctor === undefined) {\n      // return a placeholder node for async component, which is rendered\n      // as a comment node but preserves all the raw information for the node.\n      // the information will be used for async server-rendering and hydration.\n      return createAsyncPlaceholder(\n        asyncFactory,\n        data,\n        context,\n        children,\n        tag\n      )\n    }\n  }\n\n  data = data || {};\n\n  // resolve constructor options in case global mixins are applied after\n  // component constructor creation\n  resolveConstructorOptions(Ctor);\n\n  // transform component v-model data into props & events\n  if (isDef(data.model)) {\n    transformModel(Ctor.options, data);\n  }\n\n  // extract props\n  var propsData = extractPropsFromVNodeData(data, Ctor, tag);\n\n  // functional component\n  if (isTrue(Ctor.options.functional)) {\n    return createFunctionalComponent(Ctor, propsData, data, context, children)\n  }\n\n  // extract listeners, since these needs to be treated as\n  // child component listeners instead of DOM listeners\n  var listeners = data.on;\n  // replace with listeners with .native modifier\n  // so it gets processed during parent component patch.\n  data.on = data.nativeOn;\n\n  if (isTrue(Ctor.options.abstract)) {\n    // abstract components do not keep anything\n    // other than props & listeners & slot\n\n    // work around flow\n    var slot = data.slot;\n    data = {};\n    if (slot) {\n      data.slot = slot;\n    }\n  }\n\n  // install component management hooks onto the placeholder node\n  installComponentHooks(data);\n\n  // return a placeholder vnode\n  var name = Ctor.options.name || tag;\n  var vnode = new VNode(\n    (\"vue-component-\" + (Ctor.cid) + (name ? (\"-\" + name) : '')),\n    data, undefined, undefined, undefined, context,\n    { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },\n    asyncFactory\n  );\n\n  return vnode\n}\n\nfunction createComponentInstanceForVnode (\n  vnode, // we know it's MountedComponentVNode but flow doesn't\n  parent // activeInstance in lifecycle state\n) {\n  var options = {\n    _isComponent: true,\n    _parentVnode: vnode,\n    parent: parent\n  };\n  // check inline-template render functions\n  var inlineTemplate = vnode.data.inlineTemplate;\n  if (isDef(inlineTemplate)) {\n    options.render = inlineTemplate.render;\n    options.staticRenderFns = inlineTemplate.staticRenderFns;\n  }\n  return new vnode.componentOptions.Ctor(options)\n}\n\nfunction installComponentHooks (data) {\n  var hooks = data.hook || (data.hook = {});\n  for (var i = 0; i < hooksToMerge.length; i++) {\n    var key = hooksToMerge[i];\n    var existing = hooks[key];\n    var toMerge = componentVNodeHooks[key];\n    if (existing !== toMerge && !(existing && existing._merged)) {\n      hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge;\n    }\n  }\n}\n\nfunction mergeHook$1 (f1, f2) {\n  var merged = function (a, b) {\n    // flow complains about extra args which is why we use any\n    f1(a, b);\n    f2(a, b);\n  };\n  merged._merged = true;\n  return merged\n}\n\n// transform component v-model info (value and callback) into\n// prop and event handler respectively.\nfunction transformModel (options, data) {\n  var prop = (options.model && options.model.prop) || 'value';\n  var event = (options.model && options.model.event) || 'input'\n  ;(data.attrs || (data.attrs = {}))[prop] = data.model.value;\n  var on = data.on || (data.on = {});\n  var existing = on[event];\n  var callback = data.model.callback;\n  if (isDef(existing)) {\n    if (\n      Array.isArray(existing)\n        ? existing.indexOf(callback) === -1\n        : existing !== callback\n    ) {\n      on[event] = [callback].concat(existing);\n    }\n  } else {\n    on[event] = callback;\n  }\n}\n\n/*  */\n\nvar SIMPLE_NORMALIZE = 1;\nvar ALWAYS_NORMALIZE = 2;\n\n// wrapper function for providing a more flexible interface\n// without getting yelled at by flow\nfunction createElement (\n  context,\n  tag,\n  data,\n  children,\n  normalizationType,\n  alwaysNormalize\n) {\n  if (Array.isArray(data) || isPrimitive(data)) {\n    normalizationType = children;\n    children = data;\n    data = undefined;\n  }\n  if (isTrue(alwaysNormalize)) {\n    normalizationType = ALWAYS_NORMALIZE;\n  }\n  return _createElement(context, tag, data, children, normalizationType)\n}\n\nfunction _createElement (\n  context,\n  tag,\n  data,\n  children,\n  normalizationType\n) {\n  if (isDef(data) && isDef((data).__ob__)) {\n     true && warn(\n      \"Avoid using observed data object as vnode data: \" + (JSON.stringify(data)) + \"\\n\" +\n      'Always create fresh vnode data objects in each render!',\n      context\n    );\n    return createEmptyVNode()\n  }\n  // object syntax in v-bind\n  if (isDef(data) && isDef(data.is)) {\n    tag = data.is;\n  }\n  if (!tag) {\n    // in case of component :is set to falsy value\n    return createEmptyVNode()\n  }\n  // warn against non-primitive key\n  if ( true &&\n    isDef(data) && isDef(data.key) && !isPrimitive(data.key)\n  ) {\n    {\n      warn(\n        'Avoid using non-primitive value as key, ' +\n        'use string/number value instead.',\n        context\n      );\n    }\n  }\n  // support single function children as default scoped slot\n  if (Array.isArray(children) &&\n    typeof children[0] === 'function'\n  ) {\n    data = data || {};\n    data.scopedSlots = { default: children[0] };\n    children.length = 0;\n  }\n  if (normalizationType === ALWAYS_NORMALIZE) {\n    children = normalizeChildren(children);\n  } else if (normalizationType === SIMPLE_NORMALIZE) {\n    children = simpleNormalizeChildren(children);\n  }\n  var vnode, ns;\n  if (typeof tag === 'string') {\n    var Ctor;\n    ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);\n    if (config.isReservedTag(tag)) {\n      // platform built-in elements\n      vnode = new VNode(\n        config.parsePlatformTagName(tag), data, children,\n        undefined, undefined, context\n      );\n    } else if ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {\n      // component\n      vnode = createComponent(Ctor, data, context, children, tag);\n    } else {\n      // unknown or unlisted namespaced elements\n      // check at runtime because it may get assigned a namespace when its\n      // parent normalizes children\n      vnode = new VNode(\n        tag, data, children,\n        undefined, undefined, context\n      );\n    }\n  } else {\n    // direct component options / constructor\n    vnode = createComponent(tag, data, context, children);\n  }\n  if (Array.isArray(vnode)) {\n    return vnode\n  } else if (isDef(vnode)) {\n    if (isDef(ns)) { applyNS(vnode, ns); }\n    if (isDef(data)) { registerDeepBindings(data); }\n    return vnode\n  } else {\n    return createEmptyVNode()\n  }\n}\n\nfunction applyNS (vnode, ns, force) {\n  vnode.ns = ns;\n  if (vnode.tag === 'foreignObject') {\n    // use default namespace inside foreignObject\n    ns = undefined;\n    force = true;\n  }\n  if (isDef(vnode.children)) {\n    for (var i = 0, l = vnode.children.length; i < l; i++) {\n      var child = vnode.children[i];\n      if (isDef(child.tag) && (\n        isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {\n        applyNS(child, ns, force);\n      }\n    }\n  }\n}\n\n// ref #5318\n// necessary to ensure parent re-render when deep bindings like :style and\n// :class are used on slot nodes\nfunction registerDeepBindings (data) {\n  if (isObject(data.style)) {\n    traverse(data.style);\n  }\n  if (isObject(data.class)) {\n    traverse(data.class);\n  }\n}\n\n/*  */\n\nfunction initRender (vm) {\n  vm._vnode = null; // the root of the child tree\n  vm._staticTrees = null; // v-once cached trees\n  var options = vm.$options;\n  var parentVnode = vm.$vnode = options._parentVnode; // the placeholder node in parent tree\n  var renderContext = parentVnode && parentVnode.context;\n  vm.$slots = resolveSlots(options._renderChildren, renderContext);\n  vm.$scopedSlots = emptyObject;\n  // bind the createElement fn to this instance\n  // so that we get proper render context inside it.\n  // args order: tag, data, children, normalizationType, alwaysNormalize\n  // internal version is used by render functions compiled from templates\n  vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };\n  // normalization is always applied for the public version, used in\n  // user-written render functions.\n  vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };\n\n  // $attrs & $listeners are exposed for easier HOC creation.\n  // they need to be reactive so that HOCs using them are always updated\n  var parentData = parentVnode && parentVnode.data;\n\n  /* istanbul ignore else */\n  if (true) {\n    defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {\n      !isUpdatingChildComponent && warn(\"$attrs is readonly.\", vm);\n    }, true);\n    defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, function () {\n      !isUpdatingChildComponent && warn(\"$listeners is readonly.\", vm);\n    }, true);\n  } else {}\n}\n\nvar currentRenderingInstance = null;\n\nfunction renderMixin (Vue) {\n  // install runtime convenience helpers\n  installRenderHelpers(Vue.prototype);\n\n  Vue.prototype.$nextTick = function (fn) {\n    return nextTick(fn, this)\n  };\n\n  Vue.prototype._render = function () {\n    var vm = this;\n    var ref = vm.$options;\n    var render = ref.render;\n    var _parentVnode = ref._parentVnode;\n\n    if (_parentVnode) {\n      vm.$scopedSlots = normalizeScopedSlots(\n        _parentVnode.data.scopedSlots,\n        vm.$slots,\n        vm.$scopedSlots\n      );\n    }\n\n    // set parent vnode. this allows render functions to have access\n    // to the data on the placeholder node.\n    vm.$vnode = _parentVnode;\n    // render self\n    var vnode;\n    try {\n      // There's no need to maintain a stack becaues all render fns are called\n      // separately from one another. Nested component's render fns are called\n      // when parent component is patched.\n      currentRenderingInstance = vm;\n      vnode = render.call(vm._renderProxy, vm.$createElement);\n    } catch (e) {\n      handleError(e, vm, \"render\");\n      // return error render result,\n      // or previous vnode to prevent render error causing blank component\n      /* istanbul ignore else */\n      if ( true && vm.$options.renderError) {\n        try {\n          vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e);\n        } catch (e) {\n          handleError(e, vm, \"renderError\");\n          vnode = vm._vnode;\n        }\n      } else {\n        vnode = vm._vnode;\n      }\n    } finally {\n      currentRenderingInstance = null;\n    }\n    // if the returned array contains only a single node, allow it\n    if (Array.isArray(vnode) && vnode.length === 1) {\n      vnode = vnode[0];\n    }\n    // return empty vnode in case the render function errored out\n    if (!(vnode instanceof VNode)) {\n      if ( true && Array.isArray(vnode)) {\n        warn(\n          'Multiple root nodes returned from render function. Render function ' +\n          'should return a single root node.',\n          vm\n        );\n      }\n      vnode = createEmptyVNode();\n    }\n    // set parent\n    vnode.parent = _parentVnode;\n    return vnode\n  };\n}\n\n/*  */\n\nfunction ensureCtor (comp, base) {\n  if (\n    comp.__esModule ||\n    (hasSymbol && comp[Symbol.toStringTag] === 'Module')\n  ) {\n    comp = comp.default;\n  }\n  return isObject(comp)\n    ? base.extend(comp)\n    : comp\n}\n\nfunction createAsyncPlaceholder (\n  factory,\n  data,\n  context,\n  children,\n  tag\n) {\n  var node = createEmptyVNode();\n  node.asyncFactory = factory;\n  node.asyncMeta = { data: data, context: context, children: children, tag: tag };\n  return node\n}\n\nfunction resolveAsyncComponent (\n  factory,\n  baseCtor\n) {\n  if (isTrue(factory.error) && isDef(factory.errorComp)) {\n    return factory.errorComp\n  }\n\n  if (isDef(factory.resolved)) {\n    return factory.resolved\n  }\n\n  var owner = currentRenderingInstance;\n  if (owner && isDef(factory.owners) && factory.owners.indexOf(owner) === -1) {\n    // already pending\n    factory.owners.push(owner);\n  }\n\n  if (isTrue(factory.loading) && isDef(factory.loadingComp)) {\n    return factory.loadingComp\n  }\n\n  if (owner && !isDef(factory.owners)) {\n    var owners = factory.owners = [owner];\n    var sync = true;\n    var timerLoading = null;\n    var timerTimeout = null\n\n    ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });\n\n    var forceRender = function (renderCompleted) {\n      for (var i = 0, l = owners.length; i < l; i++) {\n        (owners[i]).$forceUpdate();\n      }\n\n      if (renderCompleted) {\n        owners.length = 0;\n        if (timerLoading !== null) {\n          clearTimeout(timerLoading);\n          timerLoading = null;\n        }\n        if (timerTimeout !== null) {\n          clearTimeout(timerTimeout);\n          timerTimeout = null;\n        }\n      }\n    };\n\n    var resolve = once(function (res) {\n      // cache resolved\n      factory.resolved = ensureCtor(res, baseCtor);\n      // invoke callbacks only if this is not a synchronous resolve\n      // (async resolves are shimmed as synchronous during SSR)\n      if (!sync) {\n        forceRender(true);\n      } else {\n        owners.length = 0;\n      }\n    });\n\n    var reject = once(function (reason) {\n       true && warn(\n        \"Failed to resolve async component: \" + (String(factory)) +\n        (reason ? (\"\\nReason: \" + reason) : '')\n      );\n      if (isDef(factory.errorComp)) {\n        factory.error = true;\n        forceRender(true);\n      }\n    });\n\n    var res = factory(resolve, reject);\n\n    if (isObject(res)) {\n      if (isPromise(res)) {\n        // () => Promise\n        if (isUndef(factory.resolved)) {\n          res.then(resolve, reject);\n        }\n      } else if (isPromise(res.component)) {\n        res.component.then(resolve, reject);\n\n        if (isDef(res.error)) {\n          factory.errorComp = ensureCtor(res.error, baseCtor);\n        }\n\n        if (isDef(res.loading)) {\n          factory.loadingComp = ensureCtor(res.loading, baseCtor);\n          if (res.delay === 0) {\n            factory.loading = true;\n          } else {\n            timerLoading = setTimeout(function () {\n              timerLoading = null;\n              if (isUndef(factory.resolved) && isUndef(factory.error)) {\n                factory.loading = true;\n                forceRender(false);\n              }\n            }, res.delay || 200);\n          }\n        }\n\n        if (isDef(res.timeout)) {\n          timerTimeout = setTimeout(function () {\n            timerTimeout = null;\n            if (isUndef(factory.resolved)) {\n              reject(\n                 true\n                  ? (\"timeout (\" + (res.timeout) + \"ms)\")\n                  : undefined\n              );\n            }\n          }, res.timeout);\n        }\n      }\n    }\n\n    sync = false;\n    // return in case resolved synchronously\n    return factory.loading\n      ? factory.loadingComp\n      : factory.resolved\n  }\n}\n\n/*  */\n\nfunction isAsyncPlaceholder (node) {\n  return node.isComment && node.asyncFactory\n}\n\n/*  */\n\nfunction getFirstComponentChild (children) {\n  if (Array.isArray(children)) {\n    for (var i = 0; i < children.length; i++) {\n      var c = children[i];\n      if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {\n        return c\n      }\n    }\n  }\n}\n\n/*  */\n\n/*  */\n\nfunction initEvents (vm) {\n  vm._events = Object.create(null);\n  vm._hasHookEvent = false;\n  // init parent attached events\n  var listeners = vm.$options._parentListeners;\n  if (listeners) {\n    updateComponentListeners(vm, listeners);\n  }\n}\n\nvar target;\n\nfunction add (event, fn) {\n  target.$on(event, fn);\n}\n\nfunction remove$1 (event, fn) {\n  target.$off(event, fn);\n}\n\nfunction createOnceHandler (event, fn) {\n  var _target = target;\n  return function onceHandler () {\n    var res = fn.apply(null, arguments);\n    if (res !== null) {\n      _target.$off(event, onceHandler);\n    }\n  }\n}\n\nfunction updateComponentListeners (\n  vm,\n  listeners,\n  oldListeners\n) {\n  target = vm;\n  updateListeners(listeners, oldListeners || {}, add, remove$1, createOnceHandler, vm);\n  target = undefined;\n}\n\nfunction eventsMixin (Vue) {\n  var hookRE = /^hook:/;\n  Vue.prototype.$on = function (event, fn) {\n    var vm = this;\n    if (Array.isArray(event)) {\n      for (var i = 0, l = event.length; i < l; i++) {\n        vm.$on(event[i], fn);\n      }\n    } else {\n      (vm._events[event] || (vm._events[event] = [])).push(fn);\n      // optimize hook:event cost by using a boolean flag marked at registration\n      // instead of a hash lookup\n      if (hookRE.test(event)) {\n        vm._hasHookEvent = true;\n      }\n    }\n    return vm\n  };\n\n  Vue.prototype.$once = function (event, fn) {\n    var vm = this;\n    function on () {\n      vm.$off(event, on);\n      fn.apply(vm, arguments);\n    }\n    on.fn = fn;\n    vm.$on(event, on);\n    return vm\n  };\n\n  Vue.prototype.$off = function (event, fn) {\n    var vm = this;\n    // all\n    if (!arguments.length) {\n      vm._events = Object.create(null);\n      return vm\n    }\n    // array of events\n    if (Array.isArray(event)) {\n      for (var i$1 = 0, l = event.length; i$1 < l; i$1++) {\n        vm.$off(event[i$1], fn);\n      }\n      return vm\n    }\n    // specific event\n    var cbs = vm._events[event];\n    if (!cbs) {\n      return vm\n    }\n    if (!fn) {\n      vm._events[event] = null;\n      return vm\n    }\n    // specific handler\n    var cb;\n    var i = cbs.length;\n    while (i--) {\n      cb = cbs[i];\n      if (cb === fn || cb.fn === fn) {\n        cbs.splice(i, 1);\n        break\n      }\n    }\n    return vm\n  };\n\n  Vue.prototype.$emit = function (event) {\n    var vm = this;\n    if (true) {\n      var lowerCaseEvent = event.toLowerCase();\n      if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {\n        tip(\n          \"Event \\\"\" + lowerCaseEvent + \"\\\" is emitted in component \" +\n          (formatComponentName(vm)) + \" but the handler is registered for \\\"\" + event + \"\\\". \" +\n          \"Note that HTML attributes are case-insensitive and you cannot use \" +\n          \"v-on to listen to camelCase events when using in-DOM templates. \" +\n          \"You should probably use \\\"\" + (hyphenate(event)) + \"\\\" instead of \\\"\" + event + \"\\\".\"\n        );\n      }\n    }\n    var cbs = vm._events[event];\n    if (cbs) {\n      cbs = cbs.length > 1 ? toArray(cbs) : cbs;\n      var args = toArray(arguments, 1);\n      var info = \"event handler for \\\"\" + event + \"\\\"\";\n      for (var i = 0, l = cbs.length; i < l; i++) {\n        invokeWithErrorHandling(cbs[i], vm, args, vm, info);\n      }\n    }\n    return vm\n  };\n}\n\n/*  */\n\nvar activeInstance = null;\nvar isUpdatingChildComponent = false;\n\nfunction setActiveInstance(vm) {\n  var prevActiveInstance = activeInstance;\n  activeInstance = vm;\n  return function () {\n    activeInstance = prevActiveInstance;\n  }\n}\n\nfunction initLifecycle (vm) {\n  var options = vm.$options;\n\n  // locate first non-abstract parent\n  var parent = options.parent;\n  if (parent && !options.abstract) {\n    while (parent.$options.abstract && parent.$parent) {\n      parent = parent.$parent;\n    }\n    parent.$children.push(vm);\n  }\n\n  vm.$parent = parent;\n  vm.$root = parent ? parent.$root : vm;\n\n  vm.$children = [];\n  vm.$refs = {};\n\n  vm._watcher = null;\n  vm._inactive = null;\n  vm._directInactive = false;\n  vm._isMounted = false;\n  vm._isDestroyed = false;\n  vm._isBeingDestroyed = false;\n}\n\nfunction lifecycleMixin (Vue) {\n  Vue.prototype._update = function (vnode, hydrating) {\n    var vm = this;\n    var prevEl = vm.$el;\n    var prevVnode = vm._vnode;\n    var restoreActiveInstance = setActiveInstance(vm);\n    vm._vnode = vnode;\n    // Vue.prototype.__patch__ is injected in entry points\n    // based on the rendering backend used.\n    if (!prevVnode) {\n      // initial render\n      vm.$el = vm.__patch__(vm.$el, vnode, hydrating, false /* removeOnly */);\n    } else {\n      // updates\n      vm.$el = vm.__patch__(prevVnode, vnode);\n    }\n    restoreActiveInstance();\n    // update __vue__ reference\n    if (prevEl) {\n      prevEl.__vue__ = null;\n    }\n    if (vm.$el) {\n      vm.$el.__vue__ = vm;\n    }\n    // if parent is an HOC, update its $el as well\n    if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {\n      vm.$parent.$el = vm.$el;\n    }\n    // updated hook is called by the scheduler to ensure that children are\n    // updated in a parent's updated hook.\n  };\n\n  Vue.prototype.$forceUpdate = function () {\n    var vm = this;\n    if (vm._watcher) {\n      vm._watcher.update();\n    }\n  };\n\n  Vue.prototype.$destroy = function () {\n    var vm = this;\n    if (vm._isBeingDestroyed) {\n      return\n    }\n    callHook(vm, 'beforeDestroy');\n    vm._isBeingDestroyed = true;\n    // remove self from parent\n    var parent = vm.$parent;\n    if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {\n      remove(parent.$children, vm);\n    }\n    // teardown watchers\n    if (vm._watcher) {\n      vm._watcher.teardown();\n    }\n    var i = vm._watchers.length;\n    while (i--) {\n      vm._watchers[i].teardown();\n    }\n    // remove reference from data ob\n    // frozen object may not have observer.\n    if (vm._data.__ob__) {\n      vm._data.__ob__.vmCount--;\n    }\n    // call the last hook...\n    vm._isDestroyed = true;\n    // invoke destroy hooks on current rendered tree\n    vm.__patch__(vm._vnode, null);\n    // fire destroyed hook\n    callHook(vm, 'destroyed');\n    // turn off all instance listeners.\n    vm.$off();\n    // remove __vue__ reference\n    if (vm.$el) {\n      vm.$el.__vue__ = null;\n    }\n    // release circular reference (#6759)\n    if (vm.$vnode) {\n      vm.$vnode.parent = null;\n    }\n  };\n}\n\nfunction mountComponent (\n  vm,\n  el,\n  hydrating\n) {\n  vm.$el = el;\n  if (!vm.$options.render) {\n    vm.$options.render = createEmptyVNode;\n    if (true) {\n      /* istanbul ignore if */\n      if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') ||\n        vm.$options.el || el) {\n        warn(\n          'You are using the runtime-only build of Vue where the template ' +\n          'compiler is not available. Either pre-compile the templates into ' +\n          'render functions, or use the compiler-included build.',\n          vm\n        );\n      } else {\n        warn(\n          'Failed to mount component: template or render function not defined.',\n          vm\n        );\n      }\n    }\n  }\n  callHook(vm, 'beforeMount');\n\n  var updateComponent;\n  /* istanbul ignore if */\n  if ( true && config.performance && mark) {\n    updateComponent = function () {\n      var name = vm._name;\n      var id = vm._uid;\n      var startTag = \"vue-perf-start:\" + id;\n      var endTag = \"vue-perf-end:\" + id;\n\n      mark(startTag);\n      var vnode = vm._render();\n      mark(endTag);\n      measure((\"vue \" + name + \" render\"), startTag, endTag);\n\n      mark(startTag);\n      vm._update(vnode, hydrating);\n      mark(endTag);\n      measure((\"vue \" + name + \" patch\"), startTag, endTag);\n    };\n  } else {\n    updateComponent = function () {\n      vm._update(vm._render(), hydrating);\n    };\n  }\n\n  // we set this to vm._watcher inside the watcher's constructor\n  // since the watcher's initial patch may call $forceUpdate (e.g. inside child\n  // component's mounted hook), which relies on vm._watcher being already defined\n  new Watcher(vm, updateComponent, noop, {\n    before: function before () {\n      if (vm._isMounted && !vm._isDestroyed) {\n        callHook(vm, 'beforeUpdate');\n      }\n    }\n  }, true /* isRenderWatcher */);\n  hydrating = false;\n\n  // manually mounted instance, call mounted on self\n  // mounted is called for render-created child components in its inserted hook\n  if (vm.$vnode == null) {\n    vm._isMounted = true;\n    callHook(vm, 'mounted');\n  }\n  return vm\n}\n\nfunction updateChildComponent (\n  vm,\n  propsData,\n  listeners,\n  parentVnode,\n  renderChildren\n) {\n  if (true) {\n    isUpdatingChildComponent = true;\n  }\n\n  // determine whether component has slot children\n  // we need to do this before overwriting $options._renderChildren.\n\n  // check if there are dynamic scopedSlots (hand-written or compiled but with\n  // dynamic slot names). Static scoped slots compiled from template has the\n  // \"$stable\" marker.\n  var newScopedSlots = parentVnode.data.scopedSlots;\n  var oldScopedSlots = vm.$scopedSlots;\n  var hasDynamicScopedSlot = !!(\n    (newScopedSlots && !newScopedSlots.$stable) ||\n    (oldScopedSlots !== emptyObject && !oldScopedSlots.$stable) ||\n    (newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key)\n  );\n\n  // Any static slot children from the parent may have changed during parent's\n  // update. Dynamic scoped slots may also have changed. In such cases, a forced\n  // update is necessary to ensure correctness.\n  var needsForceUpdate = !!(\n    renderChildren ||               // has new static slots\n    vm.$options._renderChildren ||  // has old static slots\n    hasDynamicScopedSlot\n  );\n\n  vm.$options._parentVnode = parentVnode;\n  vm.$vnode = parentVnode; // update vm's placeholder node without re-render\n\n  if (vm._vnode) { // update child tree's parent\n    vm._vnode.parent = parentVnode;\n  }\n  vm.$options._renderChildren = renderChildren;\n\n  // update $attrs and $listeners hash\n  // these are also reactive so they may trigger child update if the child\n  // used them during render\n  vm.$attrs = parentVnode.data.attrs || emptyObject;\n  vm.$listeners = listeners || emptyObject;\n\n  // update props\n  if (propsData && vm.$options.props) {\n    toggleObserving(false);\n    var props = vm._props;\n    var propKeys = vm.$options._propKeys || [];\n    for (var i = 0; i < propKeys.length; i++) {\n      var key = propKeys[i];\n      var propOptions = vm.$options.props; // wtf flow?\n      props[key] = validateProp(key, propOptions, propsData, vm);\n    }\n    toggleObserving(true);\n    // keep a copy of raw propsData\n    vm.$options.propsData = propsData;\n  }\n\n  // update listeners\n  listeners = listeners || emptyObject;\n  var oldListeners = vm.$options._parentListeners;\n  vm.$options._parentListeners = listeners;\n  updateComponentListeners(vm, listeners, oldListeners);\n\n  // resolve slots + force update if has children\n  if (needsForceUpdate) {\n    vm.$slots = resolveSlots(renderChildren, parentVnode.context);\n    vm.$forceUpdate();\n  }\n\n  if (true) {\n    isUpdatingChildComponent = false;\n  }\n}\n\nfunction isInInactiveTree (vm) {\n  while (vm && (vm = vm.$parent)) {\n    if (vm._inactive) { return true }\n  }\n  return false\n}\n\nfunction activateChildComponent (vm, direct) {\n  if (direct) {\n    vm._directInactive = false;\n    if (isInInactiveTree(vm)) {\n      return\n    }\n  } else if (vm._directInactive) {\n    return\n  }\n  if (vm._inactive || vm._inactive === null) {\n    vm._inactive = false;\n    for (var i = 0; i < vm.$children.length; i++) {\n      activateChildComponent(vm.$children[i]);\n    }\n    callHook(vm, 'activated');\n  }\n}\n\nfunction deactivateChildComponent (vm, direct) {\n  if (direct) {\n    vm._directInactive = true;\n    if (isInInactiveTree(vm)) {\n      return\n    }\n  }\n  if (!vm._inactive) {\n    vm._inactive = true;\n    for (var i = 0; i < vm.$children.length; i++) {\n      deactivateChildComponent(vm.$children[i]);\n    }\n    callHook(vm, 'deactivated');\n  }\n}\n\nfunction callHook (vm, hook) {\n  // #7573 disable dep collection when invoking lifecycle hooks\n  pushTarget();\n  var handlers = vm.$options[hook];\n  var info = hook + \" hook\";\n  if (handlers) {\n    for (var i = 0, j = handlers.length; i < j; i++) {\n      invokeWithErrorHandling(handlers[i], vm, null, vm, info);\n    }\n  }\n  if (vm._hasHookEvent) {\n    vm.$emit('hook:' + hook);\n  }\n  popTarget();\n}\n\n/*  */\n\nvar MAX_UPDATE_COUNT = 100;\n\nvar queue = [];\nvar activatedChildren = [];\nvar has = {};\nvar circular = {};\nvar waiting = false;\nvar flushing = false;\nvar index = 0;\n\n/**\n * Reset the scheduler's state.\n */\nfunction resetSchedulerState () {\n  index = queue.length = activatedChildren.length = 0;\n  has = {};\n  if (true) {\n    circular = {};\n  }\n  waiting = flushing = false;\n}\n\n// Async edge case #6566 requires saving the timestamp when event listeners are\n// attached. However, calling performance.now() has a perf overhead especially\n// if the page has thousands of event listeners. Instead, we take a timestamp\n// every time the scheduler flushes and use that for all event listeners\n// attached during that flush.\nvar currentFlushTimestamp = 0;\n\n// Async edge case fix requires storing an event listener's attach timestamp.\nvar getNow = Date.now;\n\n// Determine what event timestamp the browser is using. Annoyingly, the\n// timestamp can either be hi-res (relative to page load) or low-res\n// (relative to UNIX epoch), so in order to compare time we have to use the\n// same timestamp type when saving the flush timestamp.\n// All IE versions use low-res event timestamps, and have problematic clock\n// implementations (#9632)\nif (inBrowser && !isIE) {\n  var performance = window.performance;\n  if (\n    performance &&\n    typeof performance.now === 'function' &&\n    getNow() > document.createEvent('Event').timeStamp\n  ) {\n    // if the event timestamp, although evaluated AFTER the Date.now(), is\n    // smaller than it, it means the event is using a hi-res timestamp,\n    // and we need to use the hi-res version for event listener timestamps as\n    // well.\n    getNow = function () { return performance.now(); };\n  }\n}\n\n/**\n * Flush both queues and run the watchers.\n */\nfunction flushSchedulerQueue () {\n  currentFlushTimestamp = getNow();\n  flushing = true;\n  var watcher, id;\n\n  // Sort queue before flush.\n  // This ensures that:\n  // 1. Components are updated from parent to child. (because parent is always\n  //    created before the child)\n  // 2. A component's user watchers are run before its render watcher (because\n  //    user watchers are created before the render watcher)\n  // 3. If a component is destroyed during a parent component's watcher run,\n  //    its watchers can be skipped.\n  queue.sort(function (a, b) { return a.id - b.id; });\n\n  // do not cache length because more watchers might be pushed\n  // as we run existing watchers\n  for (index = 0; index < queue.length; index++) {\n    watcher = queue[index];\n    if (watcher.before) {\n      watcher.before();\n    }\n    id = watcher.id;\n    has[id] = null;\n    watcher.run();\n    // in dev build, check and stop circular updates.\n    if ( true && has[id] != null) {\n      circular[id] = (circular[id] || 0) + 1;\n      if (circular[id] > MAX_UPDATE_COUNT) {\n        warn(\n          'You may have an infinite update loop ' + (\n            watcher.user\n              ? (\"in watcher with expression \\\"\" + (watcher.expression) + \"\\\"\")\n              : \"in a component render function.\"\n          ),\n          watcher.vm\n        );\n        break\n      }\n    }\n  }\n\n  // keep copies of post queues before resetting state\n  var activatedQueue = activatedChildren.slice();\n  var updatedQueue = queue.slice();\n\n  resetSchedulerState();\n\n  // call component updated and activated hooks\n  callActivatedHooks(activatedQueue);\n  callUpdatedHooks(updatedQueue);\n\n  // devtool hook\n  /* istanbul ignore if */\n  if (devtools && config.devtools) {\n    devtools.emit('flush');\n  }\n}\n\nfunction callUpdatedHooks (queue) {\n  var i = queue.length;\n  while (i--) {\n    var watcher = queue[i];\n    var vm = watcher.vm;\n    if (vm._watcher === watcher && vm._isMounted && !vm._isDestroyed) {\n      callHook(vm, 'updated');\n    }\n  }\n}\n\n/**\n * Queue a kept-alive component that was activated during patch.\n * The queue will be processed after the entire tree has been patched.\n */\nfunction queueActivatedComponent (vm) {\n  // setting _inactive to false here so that a render function can\n  // rely on checking whether it's in an inactive tree (e.g. router-view)\n  vm._inactive = false;\n  activatedChildren.push(vm);\n}\n\nfunction callActivatedHooks (queue) {\n  for (var i = 0; i < queue.length; i++) {\n    queue[i]._inactive = true;\n    activateChildComponent(queue[i], true /* true */);\n  }\n}\n\n/**\n * Push a watcher into the watcher queue.\n * Jobs with duplicate IDs will be skipped unless it's\n * pushed when the queue is being flushed.\n */\nfunction queueWatcher (watcher) {\n  var id = watcher.id;\n  if (has[id] == null) {\n    has[id] = true;\n    if (!flushing) {\n      queue.push(watcher);\n    } else {\n      // if already flushing, splice the watcher based on its id\n      // if already past its id, it will be run next immediately.\n      var i = queue.length - 1;\n      while (i > index && queue[i].id > watcher.id) {\n        i--;\n      }\n      queue.splice(i + 1, 0, watcher);\n    }\n    // queue the flush\n    if (!waiting) {\n      waiting = true;\n\n      if ( true && !config.async) {\n        flushSchedulerQueue();\n        return\n      }\n      nextTick(flushSchedulerQueue);\n    }\n  }\n}\n\n/*  */\n\n\n\nvar uid$2 = 0;\n\n/**\n * A watcher parses an expression, collects dependencies,\n * and fires callback when the expression value changes.\n * This is used for both the $watch() api and directives.\n */\nvar Watcher = function Watcher (\n  vm,\n  expOrFn,\n  cb,\n  options,\n  isRenderWatcher\n) {\n  this.vm = vm;\n  if (isRenderWatcher) {\n    vm._watcher = this;\n  }\n  vm._watchers.push(this);\n  // options\n  if (options) {\n    this.deep = !!options.deep;\n    this.user = !!options.user;\n    this.lazy = !!options.lazy;\n    this.sync = !!options.sync;\n    this.before = options.before;\n  } else {\n    this.deep = this.user = this.lazy = this.sync = false;\n  }\n  this.cb = cb;\n  this.id = ++uid$2; // uid for batching\n  this.active = true;\n  this.dirty = this.lazy; // for lazy watchers\n  this.deps = [];\n  this.newDeps = [];\n  this.depIds = new _Set();\n  this.newDepIds = new _Set();\n  this.expression =  true\n    ? expOrFn.toString()\n    : undefined;\n  // parse expression for getter\n  if (typeof expOrFn === 'function') {\n    this.getter = expOrFn;\n  } else {\n    this.getter = parsePath(expOrFn);\n    if (!this.getter) {\n      this.getter = noop;\n       true && warn(\n        \"Failed watching path: \\\"\" + expOrFn + \"\\\" \" +\n        'Watcher only accepts simple dot-delimited paths. ' +\n        'For full control, use a function instead.',\n        vm\n      );\n    }\n  }\n  this.value = this.lazy\n    ? undefined\n    : this.get();\n};\n\n/**\n * Evaluate the getter, and re-collect dependencies.\n */\nWatcher.prototype.get = function get () {\n  pushTarget(this);\n  var value;\n  var vm = this.vm;\n  try {\n    value = this.getter.call(vm, vm);\n  } catch (e) {\n    if (this.user) {\n      handleError(e, vm, (\"getter for watcher \\\"\" + (this.expression) + \"\\\"\"));\n    } else {\n      throw e\n    }\n  } finally {\n    // \"touch\" every property so they are all tracked as\n    // dependencies for deep watching\n    if (this.deep) {\n      traverse(value);\n    }\n    popTarget();\n    this.cleanupDeps();\n  }\n  return value\n};\n\n/**\n * Add a dependency to this directive.\n */\nWatcher.prototype.addDep = function addDep (dep) {\n  var id = dep.id;\n  if (!this.newDepIds.has(id)) {\n    this.newDepIds.add(id);\n    this.newDeps.push(dep);\n    if (!this.depIds.has(id)) {\n      dep.addSub(this);\n    }\n  }\n};\n\n/**\n * Clean up for dependency collection.\n */\nWatcher.prototype.cleanupDeps = function cleanupDeps () {\n  var i = this.deps.length;\n  while (i--) {\n    var dep = this.deps[i];\n    if (!this.newDepIds.has(dep.id)) {\n      dep.removeSub(this);\n    }\n  }\n  var tmp = this.depIds;\n  this.depIds = this.newDepIds;\n  this.newDepIds = tmp;\n  this.newDepIds.clear();\n  tmp = this.deps;\n  this.deps = this.newDeps;\n  this.newDeps = tmp;\n  this.newDeps.length = 0;\n};\n\n/**\n * Subscriber interface.\n * Will be called when a dependency changes.\n */\nWatcher.prototype.update = function update () {\n  /* istanbul ignore else */\n  if (this.lazy) {\n    this.dirty = true;\n  } else if (this.sync) {\n    this.run();\n  } else {\n    queueWatcher(this);\n  }\n};\n\n/**\n * Scheduler job interface.\n * Will be called by the scheduler.\n */\nWatcher.prototype.run = function run () {\n  if (this.active) {\n    var value = this.get();\n    if (\n      value !== this.value ||\n      // Deep watchers and watchers on Object/Arrays should fire even\n      // when the value is the same, because the value may\n      // have mutated.\n      isObject(value) ||\n      this.deep\n    ) {\n      // set new value\n      var oldValue = this.value;\n      this.value = value;\n      if (this.user) {\n        try {\n          this.cb.call(this.vm, value, oldValue);\n        } catch (e) {\n          handleError(e, this.vm, (\"callback for watcher \\\"\" + (this.expression) + \"\\\"\"));\n        }\n      } else {\n        this.cb.call(this.vm, value, oldValue);\n      }\n    }\n  }\n};\n\n/**\n * Evaluate the value of the watcher.\n * This only gets called for lazy watchers.\n */\nWatcher.prototype.evaluate = function evaluate () {\n  this.value = this.get();\n  this.dirty = false;\n};\n\n/**\n * Depend on all deps collected by this watcher.\n */\nWatcher.prototype.depend = function depend () {\n  var i = this.deps.length;\n  while (i--) {\n    this.deps[i].depend();\n  }\n};\n\n/**\n * Remove self from all dependencies' subscriber list.\n */\nWatcher.prototype.teardown = function teardown () {\n  if (this.active) {\n    // remove self from vm's watcher list\n    // this is a somewhat expensive operation so we skip it\n    // if the vm is being destroyed.\n    if (!this.vm._isBeingDestroyed) {\n      remove(this.vm._watchers, this);\n    }\n    var i = this.deps.length;\n    while (i--) {\n      this.deps[i].removeSub(this);\n    }\n    this.active = false;\n  }\n};\n\n/*  */\n\nvar sharedPropertyDefinition = {\n  enumerable: true,\n  configurable: true,\n  get: noop,\n  set: noop\n};\n\nfunction proxy (target, sourceKey, key) {\n  sharedPropertyDefinition.get = function proxyGetter () {\n    return this[sourceKey][key]\n  };\n  sharedPropertyDefinition.set = function proxySetter (val) {\n    this[sourceKey][key] = val;\n  };\n  Object.defineProperty(target, key, sharedPropertyDefinition);\n}\n\nfunction initState (vm) {\n  vm._watchers = [];\n  var opts = vm.$options;\n  if (opts.props) { initProps(vm, opts.props); }\n  if (opts.methods) { initMethods(vm, opts.methods); }\n  if (opts.data) {\n    initData(vm);\n  } else {\n    observe(vm._data = {}, true /* asRootData */);\n  }\n  if (opts.computed) { initComputed(vm, opts.computed); }\n  if (opts.watch && opts.watch !== nativeWatch) {\n    initWatch(vm, opts.watch);\n  }\n}\n\nfunction initProps (vm, propsOptions) {\n  var propsData = vm.$options.propsData || {};\n  var props = vm._props = {};\n  // cache prop keys so that future props updates can iterate using Array\n  // instead of dynamic object key enumeration.\n  var keys = vm.$options._propKeys = [];\n  var isRoot = !vm.$parent;\n  // root instance props should be converted\n  if (!isRoot) {\n    toggleObserving(false);\n  }\n  var loop = function ( key ) {\n    keys.push(key);\n    var value = validateProp(key, propsOptions, propsData, vm);\n    /* istanbul ignore else */\n    if (true) {\n      var hyphenatedKey = hyphenate(key);\n      if (isReservedAttribute(hyphenatedKey) ||\n          config.isReservedAttr(hyphenatedKey)) {\n        warn(\n          (\"\\\"\" + hyphenatedKey + \"\\\" is a reserved attribute and cannot be used as component prop.\"),\n          vm\n        );\n      }\n      defineReactive$$1(props, key, value, function () {\n        if (!isRoot && !isUpdatingChildComponent) {\n          warn(\n            \"Avoid mutating a prop directly since the value will be \" +\n            \"overwritten whenever the parent component re-renders. \" +\n            \"Instead, use a data or computed property based on the prop's \" +\n            \"value. Prop being mutated: \\\"\" + key + \"\\\"\",\n            vm\n          );\n        }\n      });\n    } else {}\n    // static props are already proxied on the component's prototype\n    // during Vue.extend(). We only need to proxy props defined at\n    // instantiation here.\n    if (!(key in vm)) {\n      proxy(vm, \"_props\", key);\n    }\n  };\n\n  for (var key in propsOptions) loop( key );\n  toggleObserving(true);\n}\n\nfunction initData (vm) {\n  var data = vm.$options.data;\n  data = vm._data = typeof data === 'function'\n    ? getData(data, vm)\n    : data || {};\n  if (!isPlainObject(data)) {\n    data = {};\n     true && warn(\n      'data functions should return an object:\\n' +\n      'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',\n      vm\n    );\n  }\n  // proxy data on instance\n  var keys = Object.keys(data);\n  var props = vm.$options.props;\n  var methods = vm.$options.methods;\n  var i = keys.length;\n  while (i--) {\n    var key = keys[i];\n    if (true) {\n      if (methods && hasOwn(methods, key)) {\n        warn(\n          (\"Method \\\"\" + key + \"\\\" has already been defined as a data property.\"),\n          vm\n        );\n      }\n    }\n    if (props && hasOwn(props, key)) {\n       true && warn(\n        \"The data property \\\"\" + key + \"\\\" is already declared as a prop. \" +\n        \"Use prop default value instead.\",\n        vm\n      );\n    } else if (!isReserved(key)) {\n      proxy(vm, \"_data\", key);\n    }\n  }\n  // observe data\n  observe(data, true /* asRootData */);\n}\n\nfunction getData (data, vm) {\n  // #7573 disable dep collection when invoking data getters\n  pushTarget();\n  try {\n    return data.call(vm, vm)\n  } catch (e) {\n    handleError(e, vm, \"data()\");\n    return {}\n  } finally {\n    popTarget();\n  }\n}\n\nvar computedWatcherOptions = { lazy: true };\n\nfunction initComputed (vm, computed) {\n  // $flow-disable-line\n  var watchers = vm._computedWatchers = Object.create(null);\n  // computed properties are just getters during SSR\n  var isSSR = isServerRendering();\n\n  for (var key in computed) {\n    var userDef = computed[key];\n    var getter = typeof userDef === 'function' ? userDef : userDef.get;\n    if ( true && getter == null) {\n      warn(\n        (\"Getter is missing for computed property \\\"\" + key + \"\\\".\"),\n        vm\n      );\n    }\n\n    if (!isSSR) {\n      // create internal watcher for the computed property.\n      watchers[key] = new Watcher(\n        vm,\n        getter || noop,\n        noop,\n        computedWatcherOptions\n      );\n    }\n\n    // component-defined computed properties are already defined on the\n    // component prototype. We only need to define computed properties defined\n    // at instantiation here.\n    if (!(key in vm)) {\n      defineComputed(vm, key, userDef);\n    } else if (true) {\n      if (key in vm.$data) {\n        warn((\"The computed property \\\"\" + key + \"\\\" is already defined in data.\"), vm);\n      } else if (vm.$options.props && key in vm.$options.props) {\n        warn((\"The computed property \\\"\" + key + \"\\\" is already defined as a prop.\"), vm);\n      }\n    }\n  }\n}\n\nfunction defineComputed (\n  target,\n  key,\n  userDef\n) {\n  var shouldCache = !isServerRendering();\n  if (typeof userDef === 'function') {\n    sharedPropertyDefinition.get = shouldCache\n      ? createComputedGetter(key)\n      : createGetterInvoker(userDef);\n    sharedPropertyDefinition.set = noop;\n  } else {\n    sharedPropertyDefinition.get = userDef.get\n      ? shouldCache && userDef.cache !== false\n        ? createComputedGetter(key)\n        : createGetterInvoker(userDef.get)\n      : noop;\n    sharedPropertyDefinition.set = userDef.set || noop;\n  }\n  if ( true &&\n      sharedPropertyDefinition.set === noop) {\n    sharedPropertyDefinition.set = function () {\n      warn(\n        (\"Computed property \\\"\" + key + \"\\\" was assigned to but it has no setter.\"),\n        this\n      );\n    };\n  }\n  Object.defineProperty(target, key, sharedPropertyDefinition);\n}\n\nfunction createComputedGetter (key) {\n  return function computedGetter () {\n    var watcher = this._computedWatchers && this._computedWatchers[key];\n    if (watcher) {\n      if (watcher.dirty) {\n        watcher.evaluate();\n      }\n      if (Dep.target) {\n        watcher.depend();\n      }\n      return watcher.value\n    }\n  }\n}\n\nfunction createGetterInvoker(fn) {\n  return function computedGetter () {\n    return fn.call(this, this)\n  }\n}\n\nfunction initMethods (vm, methods) {\n  var props = vm.$options.props;\n  for (var key in methods) {\n    if (true) {\n      if (typeof methods[key] !== 'function') {\n        warn(\n          \"Method \\\"\" + key + \"\\\" has type \\\"\" + (typeof methods[key]) + \"\\\" in the component definition. \" +\n          \"Did you reference the function correctly?\",\n          vm\n        );\n      }\n      if (props && hasOwn(props, key)) {\n        warn(\n          (\"Method \\\"\" + key + \"\\\" has already been defined as a prop.\"),\n          vm\n        );\n      }\n      if ((key in vm) && isReserved(key)) {\n        warn(\n          \"Method \\\"\" + key + \"\\\" conflicts with an existing Vue instance method. \" +\n          \"Avoid defining component methods that start with _ or $.\"\n        );\n      }\n    }\n    vm[key] = typeof methods[key] !== 'function' ? noop : bind(methods[key], vm);\n  }\n}\n\nfunction initWatch (vm, watch) {\n  for (var key in watch) {\n    var handler = watch[key];\n    if (Array.isArray(handler)) {\n      for (var i = 0; i < handler.length; i++) {\n        createWatcher(vm, key, handler[i]);\n      }\n    } else {\n      createWatcher(vm, key, handler);\n    }\n  }\n}\n\nfunction createWatcher (\n  vm,\n  expOrFn,\n  handler,\n  options\n) {\n  if (isPlainObject(handler)) {\n    options = handler;\n    handler = handler.handler;\n  }\n  if (typeof handler === 'string') {\n    handler = vm[handler];\n  }\n  return vm.$watch(expOrFn, handler, options)\n}\n\nfunction stateMixin (Vue) {\n  // flow somehow has problems with directly declared definition object\n  // when using Object.defineProperty, so we have to procedurally build up\n  // the object here.\n  var dataDef = {};\n  dataDef.get = function () { return this._data };\n  var propsDef = {};\n  propsDef.get = function () { return this._props };\n  if (true) {\n    dataDef.set = function () {\n      warn(\n        'Avoid replacing instance root $data. ' +\n        'Use nested data properties instead.',\n        this\n      );\n    };\n    propsDef.set = function () {\n      warn(\"$props is readonly.\", this);\n    };\n  }\n  Object.defineProperty(Vue.prototype, '$data', dataDef);\n  Object.defineProperty(Vue.prototype, '$props', propsDef);\n\n  Vue.prototype.$set = set;\n  Vue.prototype.$delete = del;\n\n  Vue.prototype.$watch = function (\n    expOrFn,\n    cb,\n    options\n  ) {\n    var vm = this;\n    if (isPlainObject(cb)) {\n      return createWatcher(vm, expOrFn, cb, options)\n    }\n    options = options || {};\n    options.user = true;\n    var watcher = new Watcher(vm, expOrFn, cb, options);\n    if (options.immediate) {\n      try {\n        cb.call(vm, watcher.value);\n      } catch (error) {\n        handleError(error, vm, (\"callback for immediate watcher \\\"\" + (watcher.expression) + \"\\\"\"));\n      }\n    }\n    return function unwatchFn () {\n      watcher.teardown();\n    }\n  };\n}\n\n/*  */\n\nvar uid$3 = 0;\n\nfunction initMixin (Vue) {\n  Vue.prototype._init = function (options) {\n    var vm = this;\n    // a uid\n    vm._uid = uid$3++;\n\n    var startTag, endTag;\n    /* istanbul ignore if */\n    if ( true && config.performance && mark) {\n      startTag = \"vue-perf-start:\" + (vm._uid);\n      endTag = \"vue-perf-end:\" + (vm._uid);\n      mark(startTag);\n    }\n\n    // a flag to avoid this being observed\n    vm._isVue = true;\n    // merge options\n    if (options && options._isComponent) {\n      // optimize internal component instantiation\n      // since dynamic options merging is pretty slow, and none of the\n      // internal component options needs special treatment.\n      initInternalComponent(vm, options);\n    } else {\n      vm.$options = mergeOptions(\n        resolveConstructorOptions(vm.constructor),\n        options || {},\n        vm\n      );\n    }\n    /* istanbul ignore else */\n    if (true) {\n      initProxy(vm);\n    } else {}\n    // expose real self\n    vm._self = vm;\n    initLifecycle(vm);\n    initEvents(vm);\n    initRender(vm);\n    callHook(vm, 'beforeCreate');\n    initInjections(vm); // resolve injections before data/props\n    initState(vm);\n    initProvide(vm); // resolve provide after data/props\n    callHook(vm, 'created');\n\n    /* istanbul ignore if */\n    if ( true && config.performance && mark) {\n      vm._name = formatComponentName(vm, false);\n      mark(endTag);\n      measure((\"vue \" + (vm._name) + \" init\"), startTag, endTag);\n    }\n\n    if (vm.$options.el) {\n      vm.$mount(vm.$options.el);\n    }\n  };\n}\n\nfunction initInternalComponent (vm, options) {\n  var opts = vm.$options = Object.create(vm.constructor.options);\n  // doing this because it's faster than dynamic enumeration.\n  var parentVnode = options._parentVnode;\n  opts.parent = options.parent;\n  opts._parentVnode = parentVnode;\n\n  var vnodeComponentOptions = parentVnode.componentOptions;\n  opts.propsData = vnodeComponentOptions.propsData;\n  opts._parentListeners = vnodeComponentOptions.listeners;\n  opts._renderChildren = vnodeComponentOptions.children;\n  opts._componentTag = vnodeComponentOptions.tag;\n\n  if (options.render) {\n    opts.render = options.render;\n    opts.staticRenderFns = options.staticRenderFns;\n  }\n}\n\nfunction resolveConstructorOptions (Ctor) {\n  var options = Ctor.options;\n  if (Ctor.super) {\n    var superOptions = resolveConstructorOptions(Ctor.super);\n    var cachedSuperOptions = Ctor.superOptions;\n    if (superOptions !== cachedSuperOptions) {\n      // super option changed,\n      // need to resolve new options.\n      Ctor.superOptions = superOptions;\n      // check if there are any late-modified/attached options (#4976)\n      var modifiedOptions = resolveModifiedOptions(Ctor);\n      // update base extend options\n      if (modifiedOptions) {\n        extend(Ctor.extendOptions, modifiedOptions);\n      }\n      options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);\n      if (options.name) {\n        options.components[options.name] = Ctor;\n      }\n    }\n  }\n  return options\n}\n\nfunction resolveModifiedOptions (Ctor) {\n  var modified;\n  var latest = Ctor.options;\n  var sealed = Ctor.sealedOptions;\n  for (var key in latest) {\n    if (latest[key] !== sealed[key]) {\n      if (!modified) { modified = {}; }\n      modified[key] = latest[key];\n    }\n  }\n  return modified\n}\n\nfunction Vue (options) {\n  if ( true &&\n    !(this instanceof Vue)\n  ) {\n    warn('Vue is a constructor and should be called with the `new` keyword');\n  }\n  this._init(options);\n}\n\ninitMixin(Vue);\nstateMixin(Vue);\neventsMixin(Vue);\nlifecycleMixin(Vue);\nrenderMixin(Vue);\n\n/*  */\n\nfunction initUse (Vue) {\n  Vue.use = function (plugin) {\n    var installedPlugins = (this._installedPlugins || (this._installedPlugins = []));\n    if (installedPlugins.indexOf(plugin) > -1) {\n      return this\n    }\n\n    // additional parameters\n    var args = toArray(arguments, 1);\n    args.unshift(this);\n    if (typeof plugin.install === 'function') {\n      plugin.install.apply(plugin, args);\n    } else if (typeof plugin === 'function') {\n      plugin.apply(null, args);\n    }\n    installedPlugins.push(plugin);\n    return this\n  };\n}\n\n/*  */\n\nfunction initMixin$1 (Vue) {\n  Vue.mixin = function (mixin) {\n    this.options = mergeOptions(this.options, mixin);\n    return this\n  };\n}\n\n/*  */\n\nfunction initExtend (Vue) {\n  /**\n   * Each instance constructor, including Vue, has a unique\n   * cid. This enables us to create wrapped \"child\n   * constructors\" for prototypal inheritance and cache them.\n   */\n  Vue.cid = 0;\n  var cid = 1;\n\n  /**\n   * Class inheritance\n   */\n  Vue.extend = function (extendOptions) {\n    extendOptions = extendOptions || {};\n    var Super = this;\n    var SuperId = Super.cid;\n    var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});\n    if (cachedCtors[SuperId]) {\n      return cachedCtors[SuperId]\n    }\n\n    var name = extendOptions.name || Super.options.name;\n    if ( true && name) {\n      validateComponentName(name);\n    }\n\n    var Sub = function VueComponent (options) {\n      this._init(options);\n    };\n    Sub.prototype = Object.create(Super.prototype);\n    Sub.prototype.constructor = Sub;\n    Sub.cid = cid++;\n    Sub.options = mergeOptions(\n      Super.options,\n      extendOptions\n    );\n    Sub['super'] = Super;\n\n    // For props and computed properties, we define the proxy getters on\n    // the Vue instances at extension time, on the extended prototype. This\n    // avoids Object.defineProperty calls for each instance created.\n    if (Sub.options.props) {\n      initProps$1(Sub);\n    }\n    if (Sub.options.computed) {\n      initComputed$1(Sub);\n    }\n\n    // allow further extension/mixin/plugin usage\n    Sub.extend = Super.extend;\n    Sub.mixin = Super.mixin;\n    Sub.use = Super.use;\n\n    // create asset registers, so extended classes\n    // can have their private assets too.\n    ASSET_TYPES.forEach(function (type) {\n      Sub[type] = Super[type];\n    });\n    // enable recursive self-lookup\n    if (name) {\n      Sub.options.components[name] = Sub;\n    }\n\n    // keep a reference to the super options at extension time.\n    // later at instantiation we can check if Super's options have\n    // been updated.\n    Sub.superOptions = Super.options;\n    Sub.extendOptions = extendOptions;\n    Sub.sealedOptions = extend({}, Sub.options);\n\n    // cache constructor\n    cachedCtors[SuperId] = Sub;\n    return Sub\n  };\n}\n\nfunction initProps$1 (Comp) {\n  var props = Comp.options.props;\n  for (var key in props) {\n    proxy(Comp.prototype, \"_props\", key);\n  }\n}\n\nfunction initComputed$1 (Comp) {\n  var computed = Comp.options.computed;\n  for (var key in computed) {\n    defineComputed(Comp.prototype, key, computed[key]);\n  }\n}\n\n/*  */\n\nfunction initAssetRegisters (Vue) {\n  /**\n   * Create asset registration methods.\n   */\n  ASSET_TYPES.forEach(function (type) {\n    Vue[type] = function (\n      id,\n      definition\n    ) {\n      if (!definition) {\n        return this.options[type + 's'][id]\n      } else {\n        /* istanbul ignore if */\n        if ( true && type === 'component') {\n          validateComponentName(id);\n        }\n        if (type === 'component' && isPlainObject(definition)) {\n          definition.name = definition.name || id;\n          definition = this.options._base.extend(definition);\n        }\n        if (type === 'directive' && typeof definition === 'function') {\n          definition = { bind: definition, update: definition };\n        }\n        this.options[type + 's'][id] = definition;\n        return definition\n      }\n    };\n  });\n}\n\n/*  */\n\n\n\nfunction getComponentName (opts) {\n  return opts && (opts.Ctor.options.name || opts.tag)\n}\n\nfunction matches (pattern, name) {\n  if (Array.isArray(pattern)) {\n    return pattern.indexOf(name) > -1\n  } else if (typeof pattern === 'string') {\n    return pattern.split(',').indexOf(name) > -1\n  } else if (isRegExp(pattern)) {\n    return pattern.test(name)\n  }\n  /* istanbul ignore next */\n  return false\n}\n\nfunction pruneCache (keepAliveInstance, filter) {\n  var cache = keepAliveInstance.cache;\n  var keys = keepAliveInstance.keys;\n  var _vnode = keepAliveInstance._vnode;\n  for (var key in cache) {\n    var cachedNode = cache[key];\n    if (cachedNode) {\n      var name = getComponentName(cachedNode.componentOptions);\n      if (name && !filter(name)) {\n        pruneCacheEntry(cache, key, keys, _vnode);\n      }\n    }\n  }\n}\n\nfunction pruneCacheEntry (\n  cache,\n  key,\n  keys,\n  current\n) {\n  var cached$$1 = cache[key];\n  if (cached$$1 && (!current || cached$$1.tag !== current.tag)) {\n    cached$$1.componentInstance.$destroy();\n  }\n  cache[key] = null;\n  remove(keys, key);\n}\n\nvar patternTypes = [String, RegExp, Array];\n\nvar KeepAlive = {\n  name: 'keep-alive',\n  abstract: true,\n\n  props: {\n    include: patternTypes,\n    exclude: patternTypes,\n    max: [String, Number]\n  },\n\n  created: function created () {\n    this.cache = Object.create(null);\n    this.keys = [];\n  },\n\n  destroyed: function destroyed () {\n    for (var key in this.cache) {\n      pruneCacheEntry(this.cache, key, this.keys);\n    }\n  },\n\n  mounted: function mounted () {\n    var this$1 = this;\n\n    this.$watch('include', function (val) {\n      pruneCache(this$1, function (name) { return matches(val, name); });\n    });\n    this.$watch('exclude', function (val) {\n      pruneCache(this$1, function (name) { return !matches(val, name); });\n    });\n  },\n\n  render: function render () {\n    var slot = this.$slots.default;\n    var vnode = getFirstComponentChild(slot);\n    var componentOptions = vnode && vnode.componentOptions;\n    if (componentOptions) {\n      // check pattern\n      var name = getComponentName(componentOptions);\n      var ref = this;\n      var include = ref.include;\n      var exclude = ref.exclude;\n      if (\n        // not included\n        (include && (!name || !matches(include, name))) ||\n        // excluded\n        (exclude && name && matches(exclude, name))\n      ) {\n        return vnode\n      }\n\n      var ref$1 = this;\n      var cache = ref$1.cache;\n      var keys = ref$1.keys;\n      var key = vnode.key == null\n        // same constructor may get registered as different local components\n        // so cid alone is not enough (#3269)\n        ? componentOptions.Ctor.cid + (componentOptions.tag ? (\"::\" + (componentOptions.tag)) : '')\n        : vnode.key;\n      if (cache[key]) {\n        vnode.componentInstance = cache[key].componentInstance;\n        // make current key freshest\n        remove(keys, key);\n        keys.push(key);\n      } else {\n        cache[key] = vnode;\n        keys.push(key);\n        // prune oldest entry\n        if (this.max && keys.length > parseInt(this.max)) {\n          pruneCacheEntry(cache, keys[0], keys, this._vnode);\n        }\n      }\n\n      vnode.data.keepAlive = true;\n    }\n    return vnode || (slot && slot[0])\n  }\n};\n\nvar builtInComponents = {\n  KeepAlive: KeepAlive\n};\n\n/*  */\n\nfunction initGlobalAPI (Vue) {\n  // config\n  var configDef = {};\n  configDef.get = function () { return config; };\n  if (true) {\n    configDef.set = function () {\n      warn(\n        'Do not replace the Vue.config object, set individual fields instead.'\n      );\n    };\n  }\n  Object.defineProperty(Vue, 'config', configDef);\n\n  // exposed util methods.\n  // NOTE: these are not considered part of the public API - avoid relying on\n  // them unless you are aware of the risk.\n  Vue.util = {\n    warn: warn,\n    extend: extend,\n    mergeOptions: mergeOptions,\n    defineReactive: defineReactive$$1\n  };\n\n  Vue.set = set;\n  Vue.delete = del;\n  Vue.nextTick = nextTick;\n\n  // 2.6 explicit observable API\n  Vue.observable = function (obj) {\n    observe(obj);\n    return obj\n  };\n\n  Vue.options = Object.create(null);\n  ASSET_TYPES.forEach(function (type) {\n    Vue.options[type + 's'] = Object.create(null);\n  });\n\n  // this is used to identify the \"base\" constructor to extend all plain-object\n  // components with in Weex's multi-instance scenarios.\n  Vue.options._base = Vue;\n\n  extend(Vue.options.components, builtInComponents);\n\n  initUse(Vue);\n  initMixin$1(Vue);\n  initExtend(Vue);\n  initAssetRegisters(Vue);\n}\n\ninitGlobalAPI(Vue);\n\nObject.defineProperty(Vue.prototype, '$isServer', {\n  get: isServerRendering\n});\n\nObject.defineProperty(Vue.prototype, '$ssrContext', {\n  get: function get () {\n    /* istanbul ignore next */\n    return this.$vnode && this.$vnode.ssrContext\n  }\n});\n\n// expose FunctionalRenderContext for ssr runtime helper installation\nObject.defineProperty(Vue, 'FunctionalRenderContext', {\n  value: FunctionalRenderContext\n});\n\nVue.version = '2.6.10';\n\n/*  */\n\n// these are reserved for web because they are directly compiled away\n// during template compilation\nvar isReservedAttr = makeMap('style,class');\n\n// attributes that should be using props for binding\nvar acceptValue = makeMap('input,textarea,option,select,progress');\nvar mustUseProp = function (tag, type, attr) {\n  return (\n    (attr === 'value' && acceptValue(tag)) && type !== 'button' ||\n    (attr === 'selected' && tag === 'option') ||\n    (attr === 'checked' && tag === 'input') ||\n    (attr === 'muted' && tag === 'video')\n  )\n};\n\nvar isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');\n\nvar isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');\n\nvar convertEnumeratedValue = function (key, value) {\n  return isFalsyAttrValue(value) || value === 'false'\n    ? 'false'\n    // allow arbitrary string value for contenteditable\n    : key === 'contenteditable' && isValidContentEditableValue(value)\n      ? value\n      : 'true'\n};\n\nvar isBooleanAttr = makeMap(\n  'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +\n  'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +\n  'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +\n  'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +\n  'required,reversed,scoped,seamless,selected,sortable,translate,' +\n  'truespeed,typemustmatch,visible'\n);\n\nvar xlinkNS = 'http://www.w3.org/1999/xlink';\n\nvar isXlink = function (name) {\n  return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'\n};\n\nvar getXlinkProp = function (name) {\n  return isXlink(name) ? name.slice(6, name.length) : ''\n};\n\nvar isFalsyAttrValue = function (val) {\n  return val == null || val === false\n};\n\n/*  */\n\nfunction genClassForVnode (vnode) {\n  var data = vnode.data;\n  var parentNode = vnode;\n  var childNode = vnode;\n  while (isDef(childNode.componentInstance)) {\n    childNode = childNode.componentInstance._vnode;\n    if (childNode && childNode.data) {\n      data = mergeClassData(childNode.data, data);\n    }\n  }\n  while (isDef(parentNode = parentNode.parent)) {\n    if (parentNode && parentNode.data) {\n      data = mergeClassData(data, parentNode.data);\n    }\n  }\n  return renderClass(data.staticClass, data.class)\n}\n\nfunction mergeClassData (child, parent) {\n  return {\n    staticClass: concat(child.staticClass, parent.staticClass),\n    class: isDef(child.class)\n      ? [child.class, parent.class]\n      : parent.class\n  }\n}\n\nfunction renderClass (\n  staticClass,\n  dynamicClass\n) {\n  if (isDef(staticClass) || isDef(dynamicClass)) {\n    return concat(staticClass, stringifyClass(dynamicClass))\n  }\n  /* istanbul ignore next */\n  return ''\n}\n\nfunction concat (a, b) {\n  return a ? b ? (a + ' ' + b) : a : (b || '')\n}\n\nfunction stringifyClass (value) {\n  if (Array.isArray(value)) {\n    return stringifyArray(value)\n  }\n  if (isObject(value)) {\n    return stringifyObject(value)\n  }\n  if (typeof value === 'string') {\n    return value\n  }\n  /* istanbul ignore next */\n  return ''\n}\n\nfunction stringifyArray (value) {\n  var res = '';\n  var stringified;\n  for (var i = 0, l = value.length; i < l; i++) {\n    if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {\n      if (res) { res += ' '; }\n      res += stringified;\n    }\n  }\n  return res\n}\n\nfunction stringifyObject (value) {\n  var res = '';\n  for (var key in value) {\n    if (value[key]) {\n      if (res) { res += ' '; }\n      res += key;\n    }\n  }\n  return res\n}\n\n/*  */\n\nvar namespaceMap = {\n  svg: 'http://www.w3.org/2000/svg',\n  math: 'http://www.w3.org/1998/Math/MathML'\n};\n\nvar isHTMLTag = makeMap(\n  'html,body,base,head,link,meta,style,title,' +\n  'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +\n  'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +\n  'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +\n  's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +\n  'embed,object,param,source,canvas,script,noscript,del,ins,' +\n  'caption,col,colgroup,table,thead,tbody,td,th,tr,' +\n  'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +\n  'output,progress,select,textarea,' +\n  'details,dialog,menu,menuitem,summary,' +\n  'content,element,shadow,template,blockquote,iframe,tfoot'\n);\n\n// this map is intentionally selective, only covering SVG elements that may\n// contain child elements.\nvar isSVG = makeMap(\n  'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +\n  'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +\n  'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',\n  true\n);\n\nvar isPreTag = function (tag) { return tag === 'pre'; };\n\nvar isReservedTag = function (tag) {\n  return isHTMLTag(tag) || isSVG(tag)\n};\n\nfunction getTagNamespace (tag) {\n  if (isSVG(tag)) {\n    return 'svg'\n  }\n  // basic support for MathML\n  // note it doesn't support other MathML elements being component roots\n  if (tag === 'math') {\n    return 'math'\n  }\n}\n\nvar unknownElementCache = Object.create(null);\nfunction isUnknownElement (tag) {\n  /* istanbul ignore if */\n  if (!inBrowser) {\n    return true\n  }\n  if (isReservedTag(tag)) {\n    return false\n  }\n  tag = tag.toLowerCase();\n  /* istanbul ignore if */\n  if (unknownElementCache[tag] != null) {\n    return unknownElementCache[tag]\n  }\n  var el = document.createElement(tag);\n  if (tag.indexOf('-') > -1) {\n    // http://stackoverflow.com/a/28210364/1070244\n    return (unknownElementCache[tag] = (\n      el.constructor === window.HTMLUnknownElement ||\n      el.constructor === window.HTMLElement\n    ))\n  } else {\n    return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))\n  }\n}\n\nvar isTextInputType = makeMap('text,number,password,search,email,tel,url');\n\n/*  */\n\n/**\n * Query an element selector if it's not an element already.\n */\nfunction query (el) {\n  if (typeof el === 'string') {\n    var selected = document.querySelector(el);\n    if (!selected) {\n       true && warn(\n        'Cannot find element: ' + el\n      );\n      return document.createElement('div')\n    }\n    return selected\n  } else {\n    return el\n  }\n}\n\n/*  */\n\nfunction createElement$1 (tagName, vnode) {\n  var elm = document.createElement(tagName);\n  if (tagName !== 'select') {\n    return elm\n  }\n  // false or null will remove the attribute but undefined will not\n  if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {\n    elm.setAttribute('multiple', 'multiple');\n  }\n  return elm\n}\n\nfunction createElementNS (namespace, tagName) {\n  return document.createElementNS(namespaceMap[namespace], tagName)\n}\n\nfunction createTextNode (text) {\n  return document.createTextNode(text)\n}\n\nfunction createComment (text) {\n  return document.createComment(text)\n}\n\nfunction insertBefore (parentNode, newNode, referenceNode) {\n  parentNode.insertBefore(newNode, referenceNode);\n}\n\nfunction removeChild (node, child) {\n  node.removeChild(child);\n}\n\nfunction appendChild (node, child) {\n  node.appendChild(child);\n}\n\nfunction parentNode (node) {\n  return node.parentNode\n}\n\nfunction nextSibling (node) {\n  return node.nextSibling\n}\n\nfunction tagName (node) {\n  return node.tagName\n}\n\nfunction setTextContent (node, text) {\n  node.textContent = text;\n}\n\nfunction setStyleScope (node, scopeId) {\n  node.setAttribute(scopeId, '');\n}\n\nvar nodeOps = /*#__PURE__*/Object.freeze({\n  createElement: createElement$1,\n  createElementNS: createElementNS,\n  createTextNode: createTextNode,\n  createComment: createComment,\n  insertBefore: insertBefore,\n  removeChild: removeChild,\n  appendChild: appendChild,\n  parentNode: parentNode,\n  nextSibling: nextSibling,\n  tagName: tagName,\n  setTextContent: setTextContent,\n  setStyleScope: setStyleScope\n});\n\n/*  */\n\nvar ref = {\n  create: function create (_, vnode) {\n    registerRef(vnode);\n  },\n  update: function update (oldVnode, vnode) {\n    if (oldVnode.data.ref !== vnode.data.ref) {\n      registerRef(oldVnode, true);\n      registerRef(vnode);\n    }\n  },\n  destroy: function destroy (vnode) {\n    registerRef(vnode, true);\n  }\n};\n\nfunction registerRef (vnode, isRemoval) {\n  var key = vnode.data.ref;\n  if (!isDef(key)) { return }\n\n  var vm = vnode.context;\n  var ref = vnode.componentInstance || vnode.elm;\n  var refs = vm.$refs;\n  if (isRemoval) {\n    if (Array.isArray(refs[key])) {\n      remove(refs[key], ref);\n    } else if (refs[key] === ref) {\n      refs[key] = undefined;\n    }\n  } else {\n    if (vnode.data.refInFor) {\n      if (!Array.isArray(refs[key])) {\n        refs[key] = [ref];\n      } else if (refs[key].indexOf(ref) < 0) {\n        // $flow-disable-line\n        refs[key].push(ref);\n      }\n    } else {\n      refs[key] = ref;\n    }\n  }\n}\n\n/**\n * Virtual DOM patching algorithm based on Snabbdom by\n * Simon Friis Vindum (@paldepind)\n * Licensed under the MIT License\n * https://github.com/paldepind/snabbdom/blob/master/LICENSE\n *\n * modified by Evan You (@yyx990803)\n *\n * Not type-checking this because this file is perf-critical and the cost\n * of making flow understand it is not worth it.\n */\n\nvar emptyNode = new VNode('', {}, []);\n\nvar hooks = ['create', 'activate', 'update', 'remove', 'destroy'];\n\nfunction sameVnode (a, b) {\n  return (\n    a.key === b.key && (\n      (\n        a.tag === b.tag &&\n        a.isComment === b.isComment &&\n        isDef(a.data) === isDef(b.data) &&\n        sameInputType(a, b)\n      ) || (\n        isTrue(a.isAsyncPlaceholder) &&\n        a.asyncFactory === b.asyncFactory &&\n        isUndef(b.asyncFactory.error)\n      )\n    )\n  )\n}\n\nfunction sameInputType (a, b) {\n  if (a.tag !== 'input') { return true }\n  var i;\n  var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;\n  var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;\n  return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB)\n}\n\nfunction createKeyToOldIdx (children, beginIdx, endIdx) {\n  var i, key;\n  var map = {};\n  for (i = beginIdx; i <= endIdx; ++i) {\n    key = children[i].key;\n    if (isDef(key)) { map[key] = i; }\n  }\n  return map\n}\n\nfunction createPatchFunction (backend) {\n  var i, j;\n  var cbs = {};\n\n  var modules = backend.modules;\n  var nodeOps = backend.nodeOps;\n\n  for (i = 0; i < hooks.length; ++i) {\n    cbs[hooks[i]] = [];\n    for (j = 0; j < modules.length; ++j) {\n      if (isDef(modules[j][hooks[i]])) {\n        cbs[hooks[i]].push(modules[j][hooks[i]]);\n      }\n    }\n  }\n\n  function emptyNodeAt (elm) {\n    return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)\n  }\n\n  function createRmCb (childElm, listeners) {\n    function remove$$1 () {\n      if (--remove$$1.listeners === 0) {\n        removeNode(childElm);\n      }\n    }\n    remove$$1.listeners = listeners;\n    return remove$$1\n  }\n\n  function removeNode (el) {\n    var parent = nodeOps.parentNode(el);\n    // element may have already been removed due to v-html / v-text\n    if (isDef(parent)) {\n      nodeOps.removeChild(parent, el);\n    }\n  }\n\n  function isUnknownElement$$1 (vnode, inVPre) {\n    return (\n      !inVPre &&\n      !vnode.ns &&\n      !(\n        config.ignoredElements.length &&\n        config.ignoredElements.some(function (ignore) {\n          return isRegExp(ignore)\n            ? ignore.test(vnode.tag)\n            : ignore === vnode.tag\n        })\n      ) &&\n      config.isUnknownElement(vnode.tag)\n    )\n  }\n\n  var creatingElmInVPre = 0;\n\n  function createElm (\n    vnode,\n    insertedVnodeQueue,\n    parentElm,\n    refElm,\n    nested,\n    ownerArray,\n    index\n  ) {\n    if (isDef(vnode.elm) && isDef(ownerArray)) {\n      // This vnode was used in a previous render!\n      // now it's used as a new node, overwriting its elm would cause\n      // potential patch errors down the road when it's used as an insertion\n      // reference node. Instead, we clone the node on-demand before creating\n      // associated DOM element for it.\n      vnode = ownerArray[index] = cloneVNode(vnode);\n    }\n\n    vnode.isRootInsert = !nested; // for transition enter check\n    if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {\n      return\n    }\n\n    var data = vnode.data;\n    var children = vnode.children;\n    var tag = vnode.tag;\n    if (isDef(tag)) {\n      if (true) {\n        if (data && data.pre) {\n          creatingElmInVPre++;\n        }\n        if (isUnknownElement$$1(vnode, creatingElmInVPre)) {\n          warn(\n            'Unknown custom element: <' + tag + '> - did you ' +\n            'register the component correctly? For recursive components, ' +\n            'make sure to provide the \"name\" option.',\n            vnode.context\n          );\n        }\n      }\n\n      vnode.elm = vnode.ns\n        ? nodeOps.createElementNS(vnode.ns, tag)\n        : nodeOps.createElement(tag, vnode);\n      setScope(vnode);\n\n      /* istanbul ignore if */\n      {\n        createChildren(vnode, children, insertedVnodeQueue);\n        if (isDef(data)) {\n          invokeCreateHooks(vnode, insertedVnodeQueue);\n        }\n        insert(parentElm, vnode.elm, refElm);\n      }\n\n      if ( true && data && data.pre) {\n        creatingElmInVPre--;\n      }\n    } else if (isTrue(vnode.isComment)) {\n      vnode.elm = nodeOps.createComment(vnode.text);\n      insert(parentElm, vnode.elm, refElm);\n    } else {\n      vnode.elm = nodeOps.createTextNode(vnode.text);\n      insert(parentElm, vnode.elm, refElm);\n    }\n  }\n\n  function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {\n    var i = vnode.data;\n    if (isDef(i)) {\n      var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;\n      if (isDef(i = i.hook) && isDef(i = i.init)) {\n        i(vnode, false /* hydrating */);\n      }\n      // after calling the init hook, if the vnode is a child component\n      // it should've created a child instance and mounted it. the child\n      // component also has set the placeholder vnode's elm.\n      // in that case we can just return the element and be done.\n      if (isDef(vnode.componentInstance)) {\n        initComponent(vnode, insertedVnodeQueue);\n        insert(parentElm, vnode.elm, refElm);\n        if (isTrue(isReactivated)) {\n          reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);\n        }\n        return true\n      }\n    }\n  }\n\n  function initComponent (vnode, insertedVnodeQueue) {\n    if (isDef(vnode.data.pendingInsert)) {\n      insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);\n      vnode.data.pendingInsert = null;\n    }\n    vnode.elm = vnode.componentInstance.$el;\n    if (isPatchable(vnode)) {\n      invokeCreateHooks(vnode, insertedVnodeQueue);\n      setScope(vnode);\n    } else {\n      // empty component root.\n      // skip all element-related modules except for ref (#3455)\n      registerRef(vnode);\n      // make sure to invoke the insert hook\n      insertedVnodeQueue.push(vnode);\n    }\n  }\n\n  function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {\n    var i;\n    // hack for #4339: a reactivated component with inner transition\n    // does not trigger because the inner node's created hooks are not called\n    // again. It's not ideal to involve module-specific logic in here but\n    // there doesn't seem to be a better way to do it.\n    var innerNode = vnode;\n    while (innerNode.componentInstance) {\n      innerNode = innerNode.componentInstance._vnode;\n      if (isDef(i = innerNode.data) && isDef(i = i.transition)) {\n        for (i = 0; i < cbs.activate.length; ++i) {\n          cbs.activate[i](emptyNode, innerNode);\n        }\n        insertedVnodeQueue.push(innerNode);\n        break\n      }\n    }\n    // unlike a newly created component,\n    // a reactivated keep-alive component doesn't insert itself\n    insert(parentElm, vnode.elm, refElm);\n  }\n\n  function insert (parent, elm, ref$$1) {\n    if (isDef(parent)) {\n      if (isDef(ref$$1)) {\n        if (nodeOps.parentNode(ref$$1) === parent) {\n          nodeOps.insertBefore(parent, elm, ref$$1);\n        }\n      } else {\n        nodeOps.appendChild(parent, elm);\n      }\n    }\n  }\n\n  function createChildren (vnode, children, insertedVnodeQueue) {\n    if (Array.isArray(children)) {\n      if (true) {\n        checkDuplicateKeys(children);\n      }\n      for (var i = 0; i < children.length; ++i) {\n        createElm(children[i], insertedVnodeQueue, vnode.elm, null, true, children, i);\n      }\n    } else if (isPrimitive(vnode.text)) {\n      nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));\n    }\n  }\n\n  function isPatchable (vnode) {\n    while (vnode.componentInstance) {\n      vnode = vnode.componentInstance._vnode;\n    }\n    return isDef(vnode.tag)\n  }\n\n  function invokeCreateHooks (vnode, insertedVnodeQueue) {\n    for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {\n      cbs.create[i$1](emptyNode, vnode);\n    }\n    i = vnode.data.hook; // Reuse variable\n    if (isDef(i)) {\n      if (isDef(i.create)) { i.create(emptyNode, vnode); }\n      if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }\n    }\n  }\n\n  // set scope id attribute for scoped CSS.\n  // this is implemented as a special case to avoid the overhead\n  // of going through the normal attribute patching process.\n  function setScope (vnode) {\n    var i;\n    if (isDef(i = vnode.fnScopeId)) {\n      nodeOps.setStyleScope(vnode.elm, i);\n    } else {\n      var ancestor = vnode;\n      while (ancestor) {\n        if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {\n          nodeOps.setStyleScope(vnode.elm, i);\n        }\n        ancestor = ancestor.parent;\n      }\n    }\n    // for slot content they should also get the scopeId from the host instance.\n    if (isDef(i = activeInstance) &&\n      i !== vnode.context &&\n      i !== vnode.fnContext &&\n      isDef(i = i.$options._scopeId)\n    ) {\n      nodeOps.setStyleScope(vnode.elm, i);\n    }\n  }\n\n  function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {\n    for (; startIdx <= endIdx; ++startIdx) {\n      createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx);\n    }\n  }\n\n  function invokeDestroyHook (vnode) {\n    var i, j;\n    var data = vnode.data;\n    if (isDef(data)) {\n      if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }\n      for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }\n    }\n    if (isDef(i = vnode.children)) {\n      for (j = 0; j < vnode.children.length; ++j) {\n        invokeDestroyHook(vnode.children[j]);\n      }\n    }\n  }\n\n  function removeVnodes (parentElm, vnodes, startIdx, endIdx) {\n    for (; startIdx <= endIdx; ++startIdx) {\n      var ch = vnodes[startIdx];\n      if (isDef(ch)) {\n        if (isDef(ch.tag)) {\n          removeAndInvokeRemoveHook(ch);\n          invokeDestroyHook(ch);\n        } else { // Text node\n          removeNode(ch.elm);\n        }\n      }\n    }\n  }\n\n  function removeAndInvokeRemoveHook (vnode, rm) {\n    if (isDef(rm) || isDef(vnode.data)) {\n      var i;\n      var listeners = cbs.remove.length + 1;\n      if (isDef(rm)) {\n        // we have a recursively passed down rm callback\n        // increase the listeners count\n        rm.listeners += listeners;\n      } else {\n        // directly removing\n        rm = createRmCb(vnode.elm, listeners);\n      }\n      // recursively invoke hooks on child component root node\n      if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {\n        removeAndInvokeRemoveHook(i, rm);\n      }\n      for (i = 0; i < cbs.remove.length; ++i) {\n        cbs.remove[i](vnode, rm);\n      }\n      if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {\n        i(vnode, rm);\n      } else {\n        rm();\n      }\n    } else {\n      removeNode(vnode.elm);\n    }\n  }\n\n  function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {\n    var oldStartIdx = 0;\n    var newStartIdx = 0;\n    var oldEndIdx = oldCh.length - 1;\n    var oldStartVnode = oldCh[0];\n    var oldEndVnode = oldCh[oldEndIdx];\n    var newEndIdx = newCh.length - 1;\n    var newStartVnode = newCh[0];\n    var newEndVnode = newCh[newEndIdx];\n    var oldKeyToIdx, idxInOld, vnodeToMove, refElm;\n\n    // removeOnly is a special flag used only by <transition-group>\n    // to ensure removed elements stay in correct relative positions\n    // during leaving transitions\n    var canMove = !removeOnly;\n\n    if (true) {\n      checkDuplicateKeys(newCh);\n    }\n\n    while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {\n      if (isUndef(oldStartVnode)) {\n        oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left\n      } else if (isUndef(oldEndVnode)) {\n        oldEndVnode = oldCh[--oldEndIdx];\n      } else if (sameVnode(oldStartVnode, newStartVnode)) {\n        patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);\n        oldStartVnode = oldCh[++oldStartIdx];\n        newStartVnode = newCh[++newStartIdx];\n      } else if (sameVnode(oldEndVnode, newEndVnode)) {\n        patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);\n        oldEndVnode = oldCh[--oldEndIdx];\n        newEndVnode = newCh[--newEndIdx];\n      } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right\n        patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);\n        canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));\n        oldStartVnode = oldCh[++oldStartIdx];\n        newEndVnode = newCh[--newEndIdx];\n      } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left\n        patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);\n        canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);\n        oldEndVnode = oldCh[--oldEndIdx];\n        newStartVnode = newCh[++newStartIdx];\n      } else {\n        if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }\n        idxInOld = isDef(newStartVnode.key)\n          ? oldKeyToIdx[newStartVnode.key]\n          : findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);\n        if (isUndef(idxInOld)) { // New element\n          createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);\n        } else {\n          vnodeToMove = oldCh[idxInOld];\n          if (sameVnode(vnodeToMove, newStartVnode)) {\n            patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);\n            oldCh[idxInOld] = undefined;\n            canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);\n          } else {\n            // same key but different element. treat as new element\n            createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);\n          }\n        }\n        newStartVnode = newCh[++newStartIdx];\n      }\n    }\n    if (oldStartIdx > oldEndIdx) {\n      refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;\n      addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);\n    } else if (newStartIdx > newEndIdx) {\n      removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);\n    }\n  }\n\n  function checkDuplicateKeys (children) {\n    var seenKeys = {};\n    for (var i = 0; i < children.length; i++) {\n      var vnode = children[i];\n      var key = vnode.key;\n      if (isDef(key)) {\n        if (seenKeys[key]) {\n          warn(\n            (\"Duplicate keys detected: '\" + key + \"'. This may cause an update error.\"),\n            vnode.context\n          );\n        } else {\n          seenKeys[key] = true;\n        }\n      }\n    }\n  }\n\n  function findIdxInOld (node, oldCh, start, end) {\n    for (var i = start; i < end; i++) {\n      var c = oldCh[i];\n      if (isDef(c) && sameVnode(node, c)) { return i }\n    }\n  }\n\n  function patchVnode (\n    oldVnode,\n    vnode,\n    insertedVnodeQueue,\n    ownerArray,\n    index,\n    removeOnly\n  ) {\n    if (oldVnode === vnode) {\n      return\n    }\n\n    if (isDef(vnode.elm) && isDef(ownerArray)) {\n      // clone reused vnode\n      vnode = ownerArray[index] = cloneVNode(vnode);\n    }\n\n    var elm = vnode.elm = oldVnode.elm;\n\n    if (isTrue(oldVnode.isAsyncPlaceholder)) {\n      if (isDef(vnode.asyncFactory.resolved)) {\n        hydrate(oldVnode.elm, vnode, insertedVnodeQueue);\n      } else {\n        vnode.isAsyncPlaceholder = true;\n      }\n      return\n    }\n\n    // reuse element for static trees.\n    // note we only do this if the vnode is cloned -\n    // if the new node is not cloned it means the render functions have been\n    // reset by the hot-reload-api and we need to do a proper re-render.\n    if (isTrue(vnode.isStatic) &&\n      isTrue(oldVnode.isStatic) &&\n      vnode.key === oldVnode.key &&\n      (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))\n    ) {\n      vnode.componentInstance = oldVnode.componentInstance;\n      return\n    }\n\n    var i;\n    var data = vnode.data;\n    if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {\n      i(oldVnode, vnode);\n    }\n\n    var oldCh = oldVnode.children;\n    var ch = vnode.children;\n    if (isDef(data) && isPatchable(vnode)) {\n      for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }\n      if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }\n    }\n    if (isUndef(vnode.text)) {\n      if (isDef(oldCh) && isDef(ch)) {\n        if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }\n      } else if (isDef(ch)) {\n        if (true) {\n          checkDuplicateKeys(ch);\n        }\n        if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }\n        addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);\n      } else if (isDef(oldCh)) {\n        removeVnodes(elm, oldCh, 0, oldCh.length - 1);\n      } else if (isDef(oldVnode.text)) {\n        nodeOps.setTextContent(elm, '');\n      }\n    } else if (oldVnode.text !== vnode.text) {\n      nodeOps.setTextContent(elm, vnode.text);\n    }\n    if (isDef(data)) {\n      if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }\n    }\n  }\n\n  function invokeInsertHook (vnode, queue, initial) {\n    // delay insert hooks for component root nodes, invoke them after the\n    // element is really inserted\n    if (isTrue(initial) && isDef(vnode.parent)) {\n      vnode.parent.data.pendingInsert = queue;\n    } else {\n      for (var i = 0; i < queue.length; ++i) {\n        queue[i].data.hook.insert(queue[i]);\n      }\n    }\n  }\n\n  var hydrationBailed = false;\n  // list of modules that can skip create hook during hydration because they\n  // are already rendered on the client or has no need for initialization\n  // Note: style is excluded because it relies on initial clone for future\n  // deep updates (#7063).\n  var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key');\n\n  // Note: this is a browser-only function so we can assume elms are DOM nodes.\n  function hydrate (elm, vnode, insertedVnodeQueue, inVPre) {\n    var i;\n    var tag = vnode.tag;\n    var data = vnode.data;\n    var children = vnode.children;\n    inVPre = inVPre || (data && data.pre);\n    vnode.elm = elm;\n\n    if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {\n      vnode.isAsyncPlaceholder = true;\n      return true\n    }\n    // assert node match\n    if (true) {\n      if (!assertNodeMatch(elm, vnode, inVPre)) {\n        return false\n      }\n    }\n    if (isDef(data)) {\n      if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }\n      if (isDef(i = vnode.componentInstance)) {\n        // child component. it should have hydrated its own tree.\n        initComponent(vnode, insertedVnodeQueue);\n        return true\n      }\n    }\n    if (isDef(tag)) {\n      if (isDef(children)) {\n        // empty element, allow client to pick up and populate children\n        if (!elm.hasChildNodes()) {\n          createChildren(vnode, children, insertedVnodeQueue);\n        } else {\n          // v-html and domProps: innerHTML\n          if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {\n            if (i !== elm.innerHTML) {\n              /* istanbul ignore if */\n              if ( true &&\n                typeof console !== 'undefined' &&\n                !hydrationBailed\n              ) {\n                hydrationBailed = true;\n                console.warn('Parent: ', elm);\n                console.warn('server innerHTML: ', i);\n                console.warn('client innerHTML: ', elm.innerHTML);\n              }\n              return false\n            }\n          } else {\n            // iterate and compare children lists\n            var childrenMatch = true;\n            var childNode = elm.firstChild;\n            for (var i$1 = 0; i$1 < children.length; i$1++) {\n              if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue, inVPre)) {\n                childrenMatch = false;\n                break\n              }\n              childNode = childNode.nextSibling;\n            }\n            // if childNode is not null, it means the actual childNodes list is\n            // longer than the virtual children list.\n            if (!childrenMatch || childNode) {\n              /* istanbul ignore if */\n              if ( true &&\n                typeof console !== 'undefined' &&\n                !hydrationBailed\n              ) {\n                hydrationBailed = true;\n                console.warn('Parent: ', elm);\n                console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);\n              }\n              return false\n            }\n          }\n        }\n      }\n      if (isDef(data)) {\n        var fullInvoke = false;\n        for (var key in data) {\n          if (!isRenderedModule(key)) {\n            fullInvoke = true;\n            invokeCreateHooks(vnode, insertedVnodeQueue);\n            break\n          }\n        }\n        if (!fullInvoke && data['class']) {\n          // ensure collecting deps for deep class bindings for future updates\n          traverse(data['class']);\n        }\n      }\n    } else if (elm.data !== vnode.text) {\n      elm.data = vnode.text;\n    }\n    return true\n  }\n\n  function assertNodeMatch (node, vnode, inVPre) {\n    if (isDef(vnode.tag)) {\n      return vnode.tag.indexOf('vue-component') === 0 || (\n        !isUnknownElement$$1(vnode, inVPre) &&\n        vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())\n      )\n    } else {\n      return node.nodeType === (vnode.isComment ? 8 : 3)\n    }\n  }\n\n  return function patch (oldVnode, vnode, hydrating, removeOnly) {\n    if (isUndef(vnode)) {\n      if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }\n      return\n    }\n\n    var isInitialPatch = false;\n    var insertedVnodeQueue = [];\n\n    if (isUndef(oldVnode)) {\n      // empty mount (likely as component), create new root element\n      isInitialPatch = true;\n      createElm(vnode, insertedVnodeQueue);\n    } else {\n      var isRealElement = isDef(oldVnode.nodeType);\n      if (!isRealElement && sameVnode(oldVnode, vnode)) {\n        // patch existing root node\n        patchVnode(oldVnode, vnode, insertedVnodeQueue, null, null, removeOnly);\n      } else {\n        if (isRealElement) {\n          // mounting to a real element\n          // check if this is server-rendered content and if we can perform\n          // a successful hydration.\n          if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {\n            oldVnode.removeAttribute(SSR_ATTR);\n            hydrating = true;\n          }\n          if (isTrue(hydrating)) {\n            if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {\n              invokeInsertHook(vnode, insertedVnodeQueue, true);\n              return oldVnode\n            } else if (true) {\n              warn(\n                'The client-side rendered virtual DOM tree is not matching ' +\n                'server-rendered content. This is likely caused by incorrect ' +\n                'HTML markup, for example nesting block-level elements inside ' +\n                '<p>, or missing <tbody>. Bailing hydration and performing ' +\n                'full client-side render.'\n              );\n            }\n          }\n          // either not server-rendered, or hydration failed.\n          // create an empty node and replace it\n          oldVnode = emptyNodeAt(oldVnode);\n        }\n\n        // replacing existing element\n        var oldElm = oldVnode.elm;\n        var parentElm = nodeOps.parentNode(oldElm);\n\n        // create new node\n        createElm(\n          vnode,\n          insertedVnodeQueue,\n          // extremely rare edge case: do not insert if old element is in a\n          // leaving transition. Only happens when combining transition +\n          // keep-alive + HOCs. (#4590)\n          oldElm._leaveCb ? null : parentElm,\n          nodeOps.nextSibling(oldElm)\n        );\n\n        // update parent placeholder node element, recursively\n        if (isDef(vnode.parent)) {\n          var ancestor = vnode.parent;\n          var patchable = isPatchable(vnode);\n          while (ancestor) {\n            for (var i = 0; i < cbs.destroy.length; ++i) {\n              cbs.destroy[i](ancestor);\n            }\n            ancestor.elm = vnode.elm;\n            if (patchable) {\n              for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {\n                cbs.create[i$1](emptyNode, ancestor);\n              }\n              // #6513\n              // invoke insert hooks that may have been merged by create hooks.\n              // e.g. for directives that uses the \"inserted\" hook.\n              var insert = ancestor.data.hook.insert;\n              if (insert.merged) {\n                // start at index 1 to avoid re-invoking component mounted hook\n                for (var i$2 = 1; i$2 < insert.fns.length; i$2++) {\n                  insert.fns[i$2]();\n                }\n              }\n            } else {\n              registerRef(ancestor);\n            }\n            ancestor = ancestor.parent;\n          }\n        }\n\n        // destroy old node\n        if (isDef(parentElm)) {\n          removeVnodes(parentElm, [oldVnode], 0, 0);\n        } else if (isDef(oldVnode.tag)) {\n          invokeDestroyHook(oldVnode);\n        }\n      }\n    }\n\n    invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);\n    return vnode.elm\n  }\n}\n\n/*  */\n\nvar directives = {\n  create: updateDirectives,\n  update: updateDirectives,\n  destroy: function unbindDirectives (vnode) {\n    updateDirectives(vnode, emptyNode);\n  }\n};\n\nfunction updateDirectives (oldVnode, vnode) {\n  if (oldVnode.data.directives || vnode.data.directives) {\n    _update(oldVnode, vnode);\n  }\n}\n\nfunction _update (oldVnode, vnode) {\n  var isCreate = oldVnode === emptyNode;\n  var isDestroy = vnode === emptyNode;\n  var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);\n  var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);\n\n  var dirsWithInsert = [];\n  var dirsWithPostpatch = [];\n\n  var key, oldDir, dir;\n  for (key in newDirs) {\n    oldDir = oldDirs[key];\n    dir = newDirs[key];\n    if (!oldDir) {\n      // new directive, bind\n      callHook$1(dir, 'bind', vnode, oldVnode);\n      if (dir.def && dir.def.inserted) {\n        dirsWithInsert.push(dir);\n      }\n    } else {\n      // existing directive, update\n      dir.oldValue = oldDir.value;\n      dir.oldArg = oldDir.arg;\n      callHook$1(dir, 'update', vnode, oldVnode);\n      if (dir.def && dir.def.componentUpdated) {\n        dirsWithPostpatch.push(dir);\n      }\n    }\n  }\n\n  if (dirsWithInsert.length) {\n    var callInsert = function () {\n      for (var i = 0; i < dirsWithInsert.length; i++) {\n        callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);\n      }\n    };\n    if (isCreate) {\n      mergeVNodeHook(vnode, 'insert', callInsert);\n    } else {\n      callInsert();\n    }\n  }\n\n  if (dirsWithPostpatch.length) {\n    mergeVNodeHook(vnode, 'postpatch', function () {\n      for (var i = 0; i < dirsWithPostpatch.length; i++) {\n        callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);\n      }\n    });\n  }\n\n  if (!isCreate) {\n    for (key in oldDirs) {\n      if (!newDirs[key]) {\n        // no longer present, unbind\n        callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);\n      }\n    }\n  }\n}\n\nvar emptyModifiers = Object.create(null);\n\nfunction normalizeDirectives$1 (\n  dirs,\n  vm\n) {\n  var res = Object.create(null);\n  if (!dirs) {\n    // $flow-disable-line\n    return res\n  }\n  var i, dir;\n  for (i = 0; i < dirs.length; i++) {\n    dir = dirs[i];\n    if (!dir.modifiers) {\n      // $flow-disable-line\n      dir.modifiers = emptyModifiers;\n    }\n    res[getRawDirName(dir)] = dir;\n    dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);\n  }\n  // $flow-disable-line\n  return res\n}\n\nfunction getRawDirName (dir) {\n  return dir.rawName || ((dir.name) + \".\" + (Object.keys(dir.modifiers || {}).join('.')))\n}\n\nfunction callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {\n  var fn = dir.def && dir.def[hook];\n  if (fn) {\n    try {\n      fn(vnode.elm, dir, vnode, oldVnode, isDestroy);\n    } catch (e) {\n      handleError(e, vnode.context, (\"directive \" + (dir.name) + \" \" + hook + \" hook\"));\n    }\n  }\n}\n\nvar baseModules = [\n  ref,\n  directives\n];\n\n/*  */\n\nfunction updateAttrs (oldVnode, vnode) {\n  var opts = vnode.componentOptions;\n  if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {\n    return\n  }\n  if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {\n    return\n  }\n  var key, cur, old;\n  var elm = vnode.elm;\n  var oldAttrs = oldVnode.data.attrs || {};\n  var attrs = vnode.data.attrs || {};\n  // clone observed objects, as the user probably wants to mutate it\n  if (isDef(attrs.__ob__)) {\n    attrs = vnode.data.attrs = extend({}, attrs);\n  }\n\n  for (key in attrs) {\n    cur = attrs[key];\n    old = oldAttrs[key];\n    if (old !== cur) {\n      setAttr(elm, key, cur);\n    }\n  }\n  // #4391: in IE9, setting type can reset value for input[type=radio]\n  // #6666: IE/Edge forces progress value down to 1 before setting a max\n  /* istanbul ignore if */\n  if ((isIE || isEdge) && attrs.value !== oldAttrs.value) {\n    setAttr(elm, 'value', attrs.value);\n  }\n  for (key in oldAttrs) {\n    if (isUndef(attrs[key])) {\n      if (isXlink(key)) {\n        elm.removeAttributeNS(xlinkNS, getXlinkProp(key));\n      } else if (!isEnumeratedAttr(key)) {\n        elm.removeAttribute(key);\n      }\n    }\n  }\n}\n\nfunction setAttr (el, key, value) {\n  if (el.tagName.indexOf('-') > -1) {\n    baseSetAttr(el, key, value);\n  } else if (isBooleanAttr(key)) {\n    // set attribute for blank value\n    // e.g. <option disabled>Select one</option>\n    if (isFalsyAttrValue(value)) {\n      el.removeAttribute(key);\n    } else {\n      // technically allowfullscreen is a boolean attribute for <iframe>,\n      // but Flash expects a value of \"true\" when used on <embed> tag\n      value = key === 'allowfullscreen' && el.tagName === 'EMBED'\n        ? 'true'\n        : key;\n      el.setAttribute(key, value);\n    }\n  } else if (isEnumeratedAttr(key)) {\n    el.setAttribute(key, convertEnumeratedValue(key, value));\n  } else if (isXlink(key)) {\n    if (isFalsyAttrValue(value)) {\n      el.removeAttributeNS(xlinkNS, getXlinkProp(key));\n    } else {\n      el.setAttributeNS(xlinkNS, key, value);\n    }\n  } else {\n    baseSetAttr(el, key, value);\n  }\n}\n\nfunction baseSetAttr (el, key, value) {\n  if (isFalsyAttrValue(value)) {\n    el.removeAttribute(key);\n  } else {\n    // #7138: IE10 & 11 fires input event when setting placeholder on\n    // <textarea>... block the first input event and remove the blocker\n    // immediately.\n    /* istanbul ignore if */\n    if (\n      isIE && !isIE9 &&\n      el.tagName === 'TEXTAREA' &&\n      key === 'placeholder' && value !== '' && !el.__ieph\n    ) {\n      var blocker = function (e) {\n        e.stopImmediatePropagation();\n        el.removeEventListener('input', blocker);\n      };\n      el.addEventListener('input', blocker);\n      // $flow-disable-line\n      el.__ieph = true; /* IE placeholder patched */\n    }\n    el.setAttribute(key, value);\n  }\n}\n\nvar attrs = {\n  create: updateAttrs,\n  update: updateAttrs\n};\n\n/*  */\n\nfunction updateClass (oldVnode, vnode) {\n  var el = vnode.elm;\n  var data = vnode.data;\n  var oldData = oldVnode.data;\n  if (\n    isUndef(data.staticClass) &&\n    isUndef(data.class) && (\n      isUndef(oldData) || (\n        isUndef(oldData.staticClass) &&\n        isUndef(oldData.class)\n      )\n    )\n  ) {\n    return\n  }\n\n  var cls = genClassForVnode(vnode);\n\n  // handle transition classes\n  var transitionClass = el._transitionClasses;\n  if (isDef(transitionClass)) {\n    cls = concat(cls, stringifyClass(transitionClass));\n  }\n\n  // set the class\n  if (cls !== el._prevClass) {\n    el.setAttribute('class', cls);\n    el._prevClass = cls;\n  }\n}\n\nvar klass = {\n  create: updateClass,\n  update: updateClass\n};\n\n/*  */\n\nvar validDivisionCharRE = /[\\w).+\\-_$\\]]/;\n\nfunction parseFilters (exp) {\n  var inSingle = false;\n  var inDouble = false;\n  var inTemplateString = false;\n  var inRegex = false;\n  var curly = 0;\n  var square = 0;\n  var paren = 0;\n  var lastFilterIndex = 0;\n  var c, prev, i, expression, filters;\n\n  for (i = 0; i < exp.length; i++) {\n    prev = c;\n    c = exp.charCodeAt(i);\n    if (inSingle) {\n      if (c === 0x27 && prev !== 0x5C) { inSingle = false; }\n    } else if (inDouble) {\n      if (c === 0x22 && prev !== 0x5C) { inDouble = false; }\n    } else if (inTemplateString) {\n      if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; }\n    } else if (inRegex) {\n      if (c === 0x2f && prev !== 0x5C) { inRegex = false; }\n    } else if (\n      c === 0x7C && // pipe\n      exp.charCodeAt(i + 1) !== 0x7C &&\n      exp.charCodeAt(i - 1) !== 0x7C &&\n      !curly && !square && !paren\n    ) {\n      if (expression === undefined) {\n        // first filter, end of expression\n        lastFilterIndex = i + 1;\n        expression = exp.slice(0, i).trim();\n      } else {\n        pushFilter();\n      }\n    } else {\n      switch (c) {\n        case 0x22: inDouble = true; break         // \"\n        case 0x27: inSingle = true; break         // '\n        case 0x60: inTemplateString = true; break // `\n        case 0x28: paren++; break                 // (\n        case 0x29: paren--; break                 // )\n        case 0x5B: square++; break                // [\n        case 0x5D: square--; break                // ]\n        case 0x7B: curly++; break                 // {\n        case 0x7D: curly--; break                 // }\n      }\n      if (c === 0x2f) { // /\n        var j = i - 1;\n        var p = (void 0);\n        // find first non-whitespace prev char\n        for (; j >= 0; j--) {\n          p = exp.charAt(j);\n          if (p !== ' ') { break }\n        }\n        if (!p || !validDivisionCharRE.test(p)) {\n          inRegex = true;\n        }\n      }\n    }\n  }\n\n  if (expression === undefined) {\n    expression = exp.slice(0, i).trim();\n  } else if (lastFilterIndex !== 0) {\n    pushFilter();\n  }\n\n  function pushFilter () {\n    (filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());\n    lastFilterIndex = i + 1;\n  }\n\n  if (filters) {\n    for (i = 0; i < filters.length; i++) {\n      expression = wrapFilter(expression, filters[i]);\n    }\n  }\n\n  return expression\n}\n\nfunction wrapFilter (exp, filter) {\n  var i = filter.indexOf('(');\n  if (i < 0) {\n    // _f: resolveFilter\n    return (\"_f(\\\"\" + filter + \"\\\")(\" + exp + \")\")\n  } else {\n    var name = filter.slice(0, i);\n    var args = filter.slice(i + 1);\n    return (\"_f(\\\"\" + name + \"\\\")(\" + exp + (args !== ')' ? ',' + args : args))\n  }\n}\n\n/*  */\n\n\n\n/* eslint-disable no-unused-vars */\nfunction baseWarn (msg, range) {\n  console.error((\"[Vue compiler]: \" + msg));\n}\n/* eslint-enable no-unused-vars */\n\nfunction pluckModuleFunction (\n  modules,\n  key\n) {\n  return modules\n    ? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })\n    : []\n}\n\nfunction addProp (el, name, value, range, dynamic) {\n  (el.props || (el.props = [])).push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));\n  el.plain = false;\n}\n\nfunction addAttr (el, name, value, range, dynamic) {\n  var attrs = dynamic\n    ? (el.dynamicAttrs || (el.dynamicAttrs = []))\n    : (el.attrs || (el.attrs = []));\n  attrs.push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));\n  el.plain = false;\n}\n\n// add a raw attr (use this in preTransforms)\nfunction addRawAttr (el, name, value, range) {\n  el.attrsMap[name] = value;\n  el.attrsList.push(rangeSetItem({ name: name, value: value }, range));\n}\n\nfunction addDirective (\n  el,\n  name,\n  rawName,\n  value,\n  arg,\n  isDynamicArg,\n  modifiers,\n  range\n) {\n  (el.directives || (el.directives = [])).push(rangeSetItem({\n    name: name,\n    rawName: rawName,\n    value: value,\n    arg: arg,\n    isDynamicArg: isDynamicArg,\n    modifiers: modifiers\n  }, range));\n  el.plain = false;\n}\n\nfunction prependModifierMarker (symbol, name, dynamic) {\n  return dynamic\n    ? (\"_p(\" + name + \",\\\"\" + symbol + \"\\\")\")\n    : symbol + name // mark the event as captured\n}\n\nfunction addHandler (\n  el,\n  name,\n  value,\n  modifiers,\n  important,\n  warn,\n  range,\n  dynamic\n) {\n  modifiers = modifiers || emptyObject;\n  // warn prevent and passive modifier\n  /* istanbul ignore if */\n  if (\n     true && warn &&\n    modifiers.prevent && modifiers.passive\n  ) {\n    warn(\n      'passive and prevent can\\'t be used together. ' +\n      'Passive handler can\\'t prevent default event.',\n      range\n    );\n  }\n\n  // normalize click.right and click.middle since they don't actually fire\n  // this is technically browser-specific, but at least for now browsers are\n  // the only target envs that have right/middle clicks.\n  if (modifiers.right) {\n    if (dynamic) {\n      name = \"(\" + name + \")==='click'?'contextmenu':(\" + name + \")\";\n    } else if (name === 'click') {\n      name = 'contextmenu';\n      delete modifiers.right;\n    }\n  } else if (modifiers.middle) {\n    if (dynamic) {\n      name = \"(\" + name + \")==='click'?'mouseup':(\" + name + \")\";\n    } else if (name === 'click') {\n      name = 'mouseup';\n    }\n  }\n\n  // check capture modifier\n  if (modifiers.capture) {\n    delete modifiers.capture;\n    name = prependModifierMarker('!', name, dynamic);\n  }\n  if (modifiers.once) {\n    delete modifiers.once;\n    name = prependModifierMarker('~', name, dynamic);\n  }\n  /* istanbul ignore if */\n  if (modifiers.passive) {\n    delete modifiers.passive;\n    name = prependModifierMarker('&', name, dynamic);\n  }\n\n  var events;\n  if (modifiers.native) {\n    delete modifiers.native;\n    events = el.nativeEvents || (el.nativeEvents = {});\n  } else {\n    events = el.events || (el.events = {});\n  }\n\n  var newHandler = rangeSetItem({ value: value.trim(), dynamic: dynamic }, range);\n  if (modifiers !== emptyObject) {\n    newHandler.modifiers = modifiers;\n  }\n\n  var handlers = events[name];\n  /* istanbul ignore if */\n  if (Array.isArray(handlers)) {\n    important ? handlers.unshift(newHandler) : handlers.push(newHandler);\n  } else if (handlers) {\n    events[name] = important ? [newHandler, handlers] : [handlers, newHandler];\n  } else {\n    events[name] = newHandler;\n  }\n\n  el.plain = false;\n}\n\nfunction getRawBindingAttr (\n  el,\n  name\n) {\n  return el.rawAttrsMap[':' + name] ||\n    el.rawAttrsMap['v-bind:' + name] ||\n    el.rawAttrsMap[name]\n}\n\nfunction getBindingAttr (\n  el,\n  name,\n  getStatic\n) {\n  var dynamicValue =\n    getAndRemoveAttr(el, ':' + name) ||\n    getAndRemoveAttr(el, 'v-bind:' + name);\n  if (dynamicValue != null) {\n    return parseFilters(dynamicValue)\n  } else if (getStatic !== false) {\n    var staticValue = getAndRemoveAttr(el, name);\n    if (staticValue != null) {\n      return JSON.stringify(staticValue)\n    }\n  }\n}\n\n// note: this only removes the attr from the Array (attrsList) so that it\n// doesn't get processed by processAttrs.\n// By default it does NOT remove it from the map (attrsMap) because the map is\n// needed during codegen.\nfunction getAndRemoveAttr (\n  el,\n  name,\n  removeFromMap\n) {\n  var val;\n  if ((val = el.attrsMap[name]) != null) {\n    var list = el.attrsList;\n    for (var i = 0, l = list.length; i < l; i++) {\n      if (list[i].name === name) {\n        list.splice(i, 1);\n        break\n      }\n    }\n  }\n  if (removeFromMap) {\n    delete el.attrsMap[name];\n  }\n  return val\n}\n\nfunction getAndRemoveAttrByRegex (\n  el,\n  name\n) {\n  var list = el.attrsList;\n  for (var i = 0, l = list.length; i < l; i++) {\n    var attr = list[i];\n    if (name.test(attr.name)) {\n      list.splice(i, 1);\n      return attr\n    }\n  }\n}\n\nfunction rangeSetItem (\n  item,\n  range\n) {\n  if (range) {\n    if (range.start != null) {\n      item.start = range.start;\n    }\n    if (range.end != null) {\n      item.end = range.end;\n    }\n  }\n  return item\n}\n\n/*  */\n\n/**\n * Cross-platform code generation for component v-model\n */\nfunction genComponentModel (\n  el,\n  value,\n  modifiers\n) {\n  var ref = modifiers || {};\n  var number = ref.number;\n  var trim = ref.trim;\n\n  var baseValueExpression = '$$v';\n  var valueExpression = baseValueExpression;\n  if (trim) {\n    valueExpression =\n      \"(typeof \" + baseValueExpression + \" === 'string'\" +\n      \"? \" + baseValueExpression + \".trim()\" +\n      \": \" + baseValueExpression + \")\";\n  }\n  if (number) {\n    valueExpression = \"_n(\" + valueExpression + \")\";\n  }\n  var assignment = genAssignmentCode(value, valueExpression);\n\n  el.model = {\n    value: (\"(\" + value + \")\"),\n    expression: JSON.stringify(value),\n    callback: (\"function (\" + baseValueExpression + \") {\" + assignment + \"}\")\n  };\n}\n\n/**\n * Cross-platform codegen helper for generating v-model value assignment code.\n */\nfunction genAssignmentCode (\n  value,\n  assignment\n) {\n  var res = parseModel(value);\n  if (res.key === null) {\n    return (value + \"=\" + assignment)\n  } else {\n    return (\"$set(\" + (res.exp) + \", \" + (res.key) + \", \" + assignment + \")\")\n  }\n}\n\n/**\n * Parse a v-model expression into a base path and a final key segment.\n * Handles both dot-path and possible square brackets.\n *\n * Possible cases:\n *\n * - test\n * - test[key]\n * - test[test1[key]]\n * - test[\"a\"][key]\n * - xxx.test[a[a].test1[key]]\n * - test.xxx.a[\"asa\"][test1[key]]\n *\n */\n\nvar len, str, chr, index$1, expressionPos, expressionEndPos;\n\n\n\nfunction parseModel (val) {\n  // Fix https://github.com/vuejs/vue/pull/7730\n  // allow v-model=\"obj.val \" (trailing whitespace)\n  val = val.trim();\n  len = val.length;\n\n  if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {\n    index$1 = val.lastIndexOf('.');\n    if (index$1 > -1) {\n      return {\n        exp: val.slice(0, index$1),\n        key: '\"' + val.slice(index$1 + 1) + '\"'\n      }\n    } else {\n      return {\n        exp: val,\n        key: null\n      }\n    }\n  }\n\n  str = val;\n  index$1 = expressionPos = expressionEndPos = 0;\n\n  while (!eof()) {\n    chr = next();\n    /* istanbul ignore if */\n    if (isStringStart(chr)) {\n      parseString(chr);\n    } else if (chr === 0x5B) {\n      parseBracket(chr);\n    }\n  }\n\n  return {\n    exp: val.slice(0, expressionPos),\n    key: val.slice(expressionPos + 1, expressionEndPos)\n  }\n}\n\nfunction next () {\n  return str.charCodeAt(++index$1)\n}\n\nfunction eof () {\n  return index$1 >= len\n}\n\nfunction isStringStart (chr) {\n  return chr === 0x22 || chr === 0x27\n}\n\nfunction parseBracket (chr) {\n  var inBracket = 1;\n  expressionPos = index$1;\n  while (!eof()) {\n    chr = next();\n    if (isStringStart(chr)) {\n      parseString(chr);\n      continue\n    }\n    if (chr === 0x5B) { inBracket++; }\n    if (chr === 0x5D) { inBracket--; }\n    if (inBracket === 0) {\n      expressionEndPos = index$1;\n      break\n    }\n  }\n}\n\nfunction parseString (chr) {\n  var stringQuote = chr;\n  while (!eof()) {\n    chr = next();\n    if (chr === stringQuote) {\n      break\n    }\n  }\n}\n\n/*  */\n\nvar warn$1;\n\n// in some cases, the event used has to be determined at runtime\n// so we used some reserved tokens during compile.\nvar RANGE_TOKEN = '__r';\nvar CHECKBOX_RADIO_TOKEN = '__c';\n\nfunction model (\n  el,\n  dir,\n  _warn\n) {\n  warn$1 = _warn;\n  var value = dir.value;\n  var modifiers = dir.modifiers;\n  var tag = el.tag;\n  var type = el.attrsMap.type;\n\n  if (true) {\n    // inputs with type=\"file\" are read only and setting the input's\n    // value will throw an error.\n    if (tag === 'input' && type === 'file') {\n      warn$1(\n        \"<\" + (el.tag) + \" v-model=\\\"\" + value + \"\\\" type=\\\"file\\\">:\\n\" +\n        \"File inputs are read only. Use a v-on:change listener instead.\",\n        el.rawAttrsMap['v-model']\n      );\n    }\n  }\n\n  if (el.component) {\n    genComponentModel(el, value, modifiers);\n    // component v-model doesn't need extra runtime\n    return false\n  } else if (tag === 'select') {\n    genSelect(el, value, modifiers);\n  } else if (tag === 'input' && type === 'checkbox') {\n    genCheckboxModel(el, value, modifiers);\n  } else if (tag === 'input' && type === 'radio') {\n    genRadioModel(el, value, modifiers);\n  } else if (tag === 'input' || tag === 'textarea') {\n    genDefaultModel(el, value, modifiers);\n  } else if (!config.isReservedTag(tag)) {\n    genComponentModel(el, value, modifiers);\n    // component v-model doesn't need extra runtime\n    return false\n  } else if (true) {\n    warn$1(\n      \"<\" + (el.tag) + \" v-model=\\\"\" + value + \"\\\">: \" +\n      \"v-model is not supported on this element type. \" +\n      'If you are working with contenteditable, it\\'s recommended to ' +\n      'wrap a library dedicated for that purpose inside a custom component.',\n      el.rawAttrsMap['v-model']\n    );\n  }\n\n  // ensure runtime directive metadata\n  return true\n}\n\nfunction genCheckboxModel (\n  el,\n  value,\n  modifiers\n) {\n  var number = modifiers && modifiers.number;\n  var valueBinding = getBindingAttr(el, 'value') || 'null';\n  var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';\n  var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';\n  addProp(el, 'checked',\n    \"Array.isArray(\" + value + \")\" +\n    \"?_i(\" + value + \",\" + valueBinding + \")>-1\" + (\n      trueValueBinding === 'true'\n        ? (\":(\" + value + \")\")\n        : (\":_q(\" + value + \",\" + trueValueBinding + \")\")\n    )\n  );\n  addHandler(el, 'change',\n    \"var $$a=\" + value + \",\" +\n        '$$el=$event.target,' +\n        \"$$c=$$el.checked?(\" + trueValueBinding + \"):(\" + falseValueBinding + \");\" +\n    'if(Array.isArray($$a)){' +\n      \"var $$v=\" + (number ? '_n(' + valueBinding + ')' : valueBinding) + \",\" +\n          '$$i=_i($$a,$$v);' +\n      \"if($$el.checked){$$i<0&&(\" + (genAssignmentCode(value, '$$a.concat([$$v])')) + \")}\" +\n      \"else{$$i>-1&&(\" + (genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))')) + \")}\" +\n    \"}else{\" + (genAssignmentCode(value, '$$c')) + \"}\",\n    null, true\n  );\n}\n\nfunction genRadioModel (\n  el,\n  value,\n  modifiers\n) {\n  var number = modifiers && modifiers.number;\n  var valueBinding = getBindingAttr(el, 'value') || 'null';\n  valueBinding = number ? (\"_n(\" + valueBinding + \")\") : valueBinding;\n  addProp(el, 'checked', (\"_q(\" + value + \",\" + valueBinding + \")\"));\n  addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true);\n}\n\nfunction genSelect (\n  el,\n  value,\n  modifiers\n) {\n  var number = modifiers && modifiers.number;\n  var selectedVal = \"Array.prototype.filter\" +\n    \".call($event.target.options,function(o){return o.selected})\" +\n    \".map(function(o){var val = \\\"_value\\\" in o ? o._value : o.value;\" +\n    \"return \" + (number ? '_n(val)' : 'val') + \"})\";\n\n  var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';\n  var code = \"var $$selectedVal = \" + selectedVal + \";\";\n  code = code + \" \" + (genAssignmentCode(value, assignment));\n  addHandler(el, 'change', code, null, true);\n}\n\nfunction genDefaultModel (\n  el,\n  value,\n  modifiers\n) {\n  var type = el.attrsMap.type;\n\n  // warn if v-bind:value conflicts with v-model\n  // except for inputs with v-bind:type\n  if (true) {\n    var value$1 = el.attrsMap['v-bind:value'] || el.attrsMap[':value'];\n    var typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];\n    if (value$1 && !typeBinding) {\n      var binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value';\n      warn$1(\n        binding + \"=\\\"\" + value$1 + \"\\\" conflicts with v-model on the same element \" +\n        'because the latter already expands to a value binding internally',\n        el.rawAttrsMap[binding]\n      );\n    }\n  }\n\n  var ref = modifiers || {};\n  var lazy = ref.lazy;\n  var number = ref.number;\n  var trim = ref.trim;\n  var needCompositionGuard = !lazy && type !== 'range';\n  var event = lazy\n    ? 'change'\n    : type === 'range'\n      ? RANGE_TOKEN\n      : 'input';\n\n  var valueExpression = '$event.target.value';\n  if (trim) {\n    valueExpression = \"$event.target.value.trim()\";\n  }\n  if (number) {\n    valueExpression = \"_n(\" + valueExpression + \")\";\n  }\n\n  var code = genAssignmentCode(value, valueExpression);\n  if (needCompositionGuard) {\n    code = \"if($event.target.composing)return;\" + code;\n  }\n\n  addProp(el, 'value', (\"(\" + value + \")\"));\n  addHandler(el, event, code, null, true);\n  if (trim || number) {\n    addHandler(el, 'blur', '$forceUpdate()');\n  }\n}\n\n/*  */\n\n// normalize v-model event tokens that can only be determined at runtime.\n// it's important to place the event as the first in the array because\n// the whole point is ensuring the v-model callback gets called before\n// user-attached handlers.\nfunction normalizeEvents (on) {\n  /* istanbul ignore if */\n  if (isDef(on[RANGE_TOKEN])) {\n    // IE input[type=range] only supports `change` event\n    var event = isIE ? 'change' : 'input';\n    on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);\n    delete on[RANGE_TOKEN];\n  }\n  // This was originally intended to fix #4521 but no longer necessary\n  // after 2.5. Keeping it for backwards compat with generated code from < 2.4\n  /* istanbul ignore if */\n  if (isDef(on[CHECKBOX_RADIO_TOKEN])) {\n    on.change = [].concat(on[CHECKBOX_RADIO_TOKEN], on.change || []);\n    delete on[CHECKBOX_RADIO_TOKEN];\n  }\n}\n\nvar target$1;\n\nfunction createOnceHandler$1 (event, handler, capture) {\n  var _target = target$1; // save current target element in closure\n  return function onceHandler () {\n    var res = handler.apply(null, arguments);\n    if (res !== null) {\n      remove$2(event, onceHandler, capture, _target);\n    }\n  }\n}\n\n// #9446: Firefox <= 53 (in particular, ESR 52) has incorrect Event.timeStamp\n// implementation and does not fire microtasks in between event propagation, so\n// safe to exclude.\nvar useMicrotaskFix = isUsingMicroTask && !(isFF && Number(isFF[1]) <= 53);\n\nfunction add$1 (\n  name,\n  handler,\n  capture,\n  passive\n) {\n  // async edge case #6566: inner click event triggers patch, event handler\n  // attached to outer element during patch, and triggered again. This\n  // happens because browsers fire microtask ticks between event propagation.\n  // the solution is simple: we save the timestamp when a handler is attached,\n  // and the handler would only fire if the event passed to it was fired\n  // AFTER it was attached.\n  if (useMicrotaskFix) {\n    var attachedTimestamp = currentFlushTimestamp;\n    var original = handler;\n    handler = original._wrapper = function (e) {\n      if (\n        // no bubbling, should always fire.\n        // this is just a safety net in case event.timeStamp is unreliable in\n        // certain weird environments...\n        e.target === e.currentTarget ||\n        // event is fired after handler attachment\n        e.timeStamp >= attachedTimestamp ||\n        // bail for environments that have buggy event.timeStamp implementations\n        // #9462 iOS 9 bug: event.timeStamp is 0 after history.pushState\n        // #9681 QtWebEngine event.timeStamp is negative value\n        e.timeStamp <= 0 ||\n        // #9448 bail if event is fired in another document in a multi-page\n        // electron/nw.js app, since event.timeStamp will be using a different\n        // starting reference\n        e.target.ownerDocument !== document\n      ) {\n        return original.apply(this, arguments)\n      }\n    };\n  }\n  target$1.addEventListener(\n    name,\n    handler,\n    supportsPassive\n      ? { capture: capture, passive: passive }\n      : capture\n  );\n}\n\nfunction remove$2 (\n  name,\n  handler,\n  capture,\n  _target\n) {\n  (_target || target$1).removeEventListener(\n    name,\n    handler._wrapper || handler,\n    capture\n  );\n}\n\nfunction updateDOMListeners (oldVnode, vnode) {\n  if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {\n    return\n  }\n  var on = vnode.data.on || {};\n  var oldOn = oldVnode.data.on || {};\n  target$1 = vnode.elm;\n  normalizeEvents(on);\n  updateListeners(on, oldOn, add$1, remove$2, createOnceHandler$1, vnode.context);\n  target$1 = undefined;\n}\n\nvar events = {\n  create: updateDOMListeners,\n  update: updateDOMListeners\n};\n\n/*  */\n\nvar svgContainer;\n\nfunction updateDOMProps (oldVnode, vnode) {\n  if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {\n    return\n  }\n  var key, cur;\n  var elm = vnode.elm;\n  var oldProps = oldVnode.data.domProps || {};\n  var props = vnode.data.domProps || {};\n  // clone observed objects, as the user probably wants to mutate it\n  if (isDef(props.__ob__)) {\n    props = vnode.data.domProps = extend({}, props);\n  }\n\n  for (key in oldProps) {\n    if (!(key in props)) {\n      elm[key] = '';\n    }\n  }\n\n  for (key in props) {\n    cur = props[key];\n    // ignore children if the node has textContent or innerHTML,\n    // as these will throw away existing DOM nodes and cause removal errors\n    // on subsequent patches (#3360)\n    if (key === 'textContent' || key === 'innerHTML') {\n      if (vnode.children) { vnode.children.length = 0; }\n      if (cur === oldProps[key]) { continue }\n      // #6601 work around Chrome version <= 55 bug where single textNode\n      // replaced by innerHTML/textContent retains its parentNode property\n      if (elm.childNodes.length === 1) {\n        elm.removeChild(elm.childNodes[0]);\n      }\n    }\n\n    if (key === 'value' && elm.tagName !== 'PROGRESS') {\n      // store value as _value as well since\n      // non-string values will be stringified\n      elm._value = cur;\n      // avoid resetting cursor position when value is the same\n      var strCur = isUndef(cur) ? '' : String(cur);\n      if (shouldUpdateValue(elm, strCur)) {\n        elm.value = strCur;\n      }\n    } else if (key === 'innerHTML' && isSVG(elm.tagName) && isUndef(elm.innerHTML)) {\n      // IE doesn't support innerHTML for SVG elements\n      svgContainer = svgContainer || document.createElement('div');\n      svgContainer.innerHTML = \"<svg>\" + cur + \"</svg>\";\n      var svg = svgContainer.firstChild;\n      while (elm.firstChild) {\n        elm.removeChild(elm.firstChild);\n      }\n      while (svg.firstChild) {\n        elm.appendChild(svg.firstChild);\n      }\n    } else if (\n      // skip the update if old and new VDOM state is the same.\n      // `value` is handled separately because the DOM value may be temporarily\n      // out of sync with VDOM state due to focus, composition and modifiers.\n      // This  #4521 by skipping the unnecesarry `checked` update.\n      cur !== oldProps[key]\n    ) {\n      // some property updates can throw\n      // e.g. `value` on <progress> w/ non-finite value\n      try {\n        elm[key] = cur;\n      } catch (e) {}\n    }\n  }\n}\n\n// check platforms/web/util/attrs.js acceptValue\n\n\nfunction shouldUpdateValue (elm, checkVal) {\n  return (!elm.composing && (\n    elm.tagName === 'OPTION' ||\n    isNotInFocusAndDirty(elm, checkVal) ||\n    isDirtyWithModifiers(elm, checkVal)\n  ))\n}\n\nfunction isNotInFocusAndDirty (elm, checkVal) {\n  // return true when textbox (.number and .trim) loses focus and its value is\n  // not equal to the updated value\n  var notInFocus = true;\n  // #6157\n  // work around IE bug when accessing document.activeElement in an iframe\n  try { notInFocus = document.activeElement !== elm; } catch (e) {}\n  return notInFocus && elm.value !== checkVal\n}\n\nfunction isDirtyWithModifiers (elm, newVal) {\n  var value = elm.value;\n  var modifiers = elm._vModifiers; // injected by v-model runtime\n  if (isDef(modifiers)) {\n    if (modifiers.number) {\n      return toNumber(value) !== toNumber(newVal)\n    }\n    if (modifiers.trim) {\n      return value.trim() !== newVal.trim()\n    }\n  }\n  return value !== newVal\n}\n\nvar domProps = {\n  create: updateDOMProps,\n  update: updateDOMProps\n};\n\n/*  */\n\nvar parseStyleText = cached(function (cssText) {\n  var res = {};\n  var listDelimiter = /;(?![^(]*\\))/g;\n  var propertyDelimiter = /:(.+)/;\n  cssText.split(listDelimiter).forEach(function (item) {\n    if (item) {\n      var tmp = item.split(propertyDelimiter);\n      tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());\n    }\n  });\n  return res\n});\n\n// merge static and dynamic style data on the same vnode\nfunction normalizeStyleData (data) {\n  var style = normalizeStyleBinding(data.style);\n  // static style is pre-processed into an object during compilation\n  // and is always a fresh object, so it's safe to merge into it\n  return data.staticStyle\n    ? extend(data.staticStyle, style)\n    : style\n}\n\n// normalize possible array / string values into Object\nfunction normalizeStyleBinding (bindingStyle) {\n  if (Array.isArray(bindingStyle)) {\n    return toObject(bindingStyle)\n  }\n  if (typeof bindingStyle === 'string') {\n    return parseStyleText(bindingStyle)\n  }\n  return bindingStyle\n}\n\n/**\n * parent component style should be after child's\n * so that parent component's style could override it\n */\nfunction getStyle (vnode, checkChild) {\n  var res = {};\n  var styleData;\n\n  if (checkChild) {\n    var childNode = vnode;\n    while (childNode.componentInstance) {\n      childNode = childNode.componentInstance._vnode;\n      if (\n        childNode && childNode.data &&\n        (styleData = normalizeStyleData(childNode.data))\n      ) {\n        extend(res, styleData);\n      }\n    }\n  }\n\n  if ((styleData = normalizeStyleData(vnode.data))) {\n    extend(res, styleData);\n  }\n\n  var parentNode = vnode;\n  while ((parentNode = parentNode.parent)) {\n    if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {\n      extend(res, styleData);\n    }\n  }\n  return res\n}\n\n/*  */\n\nvar cssVarRE = /^--/;\nvar importantRE = /\\s*!important$/;\nvar setProp = function (el, name, val) {\n  /* istanbul ignore if */\n  if (cssVarRE.test(name)) {\n    el.style.setProperty(name, val);\n  } else if (importantRE.test(val)) {\n    el.style.setProperty(hyphenate(name), val.replace(importantRE, ''), 'important');\n  } else {\n    var normalizedName = normalize(name);\n    if (Array.isArray(val)) {\n      // Support values array created by autoprefixer, e.g.\n      // {display: [\"-webkit-box\", \"-ms-flexbox\", \"flex\"]}\n      // Set them one by one, and the browser will only set those it can recognize\n      for (var i = 0, len = val.length; i < len; i++) {\n        el.style[normalizedName] = val[i];\n      }\n    } else {\n      el.style[normalizedName] = val;\n    }\n  }\n};\n\nvar vendorNames = ['Webkit', 'Moz', 'ms'];\n\nvar emptyStyle;\nvar normalize = cached(function (prop) {\n  emptyStyle = emptyStyle || document.createElement('div').style;\n  prop = camelize(prop);\n  if (prop !== 'filter' && (prop in emptyStyle)) {\n    return prop\n  }\n  var capName = prop.charAt(0).toUpperCase() + prop.slice(1);\n  for (var i = 0; i < vendorNames.length; i++) {\n    var name = vendorNames[i] + capName;\n    if (name in emptyStyle) {\n      return name\n    }\n  }\n});\n\nfunction updateStyle (oldVnode, vnode) {\n  var data = vnode.data;\n  var oldData = oldVnode.data;\n\n  if (isUndef(data.staticStyle) && isUndef(data.style) &&\n    isUndef(oldData.staticStyle) && isUndef(oldData.style)\n  ) {\n    return\n  }\n\n  var cur, name;\n  var el = vnode.elm;\n  var oldStaticStyle = oldData.staticStyle;\n  var oldStyleBinding = oldData.normalizedStyle || oldData.style || {};\n\n  // if static style exists, stylebinding already merged into it when doing normalizeStyleData\n  var oldStyle = oldStaticStyle || oldStyleBinding;\n\n  var style = normalizeStyleBinding(vnode.data.style) || {};\n\n  // store normalized style under a different key for next diff\n  // make sure to clone it if it's reactive, since the user likely wants\n  // to mutate it.\n  vnode.data.normalizedStyle = isDef(style.__ob__)\n    ? extend({}, style)\n    : style;\n\n  var newStyle = getStyle(vnode, true);\n\n  for (name in oldStyle) {\n    if (isUndef(newStyle[name])) {\n      setProp(el, name, '');\n    }\n  }\n  for (name in newStyle) {\n    cur = newStyle[name];\n    if (cur !== oldStyle[name]) {\n      // ie9 setting to null has no effect, must use empty string\n      setProp(el, name, cur == null ? '' : cur);\n    }\n  }\n}\n\nvar style = {\n  create: updateStyle,\n  update: updateStyle\n};\n\n/*  */\n\nvar whitespaceRE = /\\s+/;\n\n/**\n * Add class with compatibility for SVG since classList is not supported on\n * SVG elements in IE\n */\nfunction addClass (el, cls) {\n  /* istanbul ignore if */\n  if (!cls || !(cls = cls.trim())) {\n    return\n  }\n\n  /* istanbul ignore else */\n  if (el.classList) {\n    if (cls.indexOf(' ') > -1) {\n      cls.split(whitespaceRE).forEach(function (c) { return el.classList.add(c); });\n    } else {\n      el.classList.add(cls);\n    }\n  } else {\n    var cur = \" \" + (el.getAttribute('class') || '') + \" \";\n    if (cur.indexOf(' ' + cls + ' ') < 0) {\n      el.setAttribute('class', (cur + cls).trim());\n    }\n  }\n}\n\n/**\n * Remove class with compatibility for SVG since classList is not supported on\n * SVG elements in IE\n */\nfunction removeClass (el, cls) {\n  /* istanbul ignore if */\n  if (!cls || !(cls = cls.trim())) {\n    return\n  }\n\n  /* istanbul ignore else */\n  if (el.classList) {\n    if (cls.indexOf(' ') > -1) {\n      cls.split(whitespaceRE).forEach(function (c) { return el.classList.remove(c); });\n    } else {\n      el.classList.remove(cls);\n    }\n    if (!el.classList.length) {\n      el.removeAttribute('class');\n    }\n  } else {\n    var cur = \" \" + (el.getAttribute('class') || '') + \" \";\n    var tar = ' ' + cls + ' ';\n    while (cur.indexOf(tar) >= 0) {\n      cur = cur.replace(tar, ' ');\n    }\n    cur = cur.trim();\n    if (cur) {\n      el.setAttribute('class', cur);\n    } else {\n      el.removeAttribute('class');\n    }\n  }\n}\n\n/*  */\n\nfunction resolveTransition (def$$1) {\n  if (!def$$1) {\n    return\n  }\n  /* istanbul ignore else */\n  if (typeof def$$1 === 'object') {\n    var res = {};\n    if (def$$1.css !== false) {\n      extend(res, autoCssTransition(def$$1.name || 'v'));\n    }\n    extend(res, def$$1);\n    return res\n  } else if (typeof def$$1 === 'string') {\n    return autoCssTransition(def$$1)\n  }\n}\n\nvar autoCssTransition = cached(function (name) {\n  return {\n    enterClass: (name + \"-enter\"),\n    enterToClass: (name + \"-enter-to\"),\n    enterActiveClass: (name + \"-enter-active\"),\n    leaveClass: (name + \"-leave\"),\n    leaveToClass: (name + \"-leave-to\"),\n    leaveActiveClass: (name + \"-leave-active\")\n  }\n});\n\nvar hasTransition = inBrowser && !isIE9;\nvar TRANSITION = 'transition';\nvar ANIMATION = 'animation';\n\n// Transition property/event sniffing\nvar transitionProp = 'transition';\nvar transitionEndEvent = 'transitionend';\nvar animationProp = 'animation';\nvar animationEndEvent = 'animationend';\nif (hasTransition) {\n  /* istanbul ignore if */\n  if (window.ontransitionend === undefined &&\n    window.onwebkittransitionend !== undefined\n  ) {\n    transitionProp = 'WebkitTransition';\n    transitionEndEvent = 'webkitTransitionEnd';\n  }\n  if (window.onanimationend === undefined &&\n    window.onwebkitanimationend !== undefined\n  ) {\n    animationProp = 'WebkitAnimation';\n    animationEndEvent = 'webkitAnimationEnd';\n  }\n}\n\n// binding to window is necessary to make hot reload work in IE in strict mode\nvar raf = inBrowser\n  ? window.requestAnimationFrame\n    ? window.requestAnimationFrame.bind(window)\n    : setTimeout\n  : /* istanbul ignore next */ function (fn) { return fn(); };\n\nfunction nextFrame (fn) {\n  raf(function () {\n    raf(fn);\n  });\n}\n\nfunction addTransitionClass (el, cls) {\n  var transitionClasses = el._transitionClasses || (el._transitionClasses = []);\n  if (transitionClasses.indexOf(cls) < 0) {\n    transitionClasses.push(cls);\n    addClass(el, cls);\n  }\n}\n\nfunction removeTransitionClass (el, cls) {\n  if (el._transitionClasses) {\n    remove(el._transitionClasses, cls);\n  }\n  removeClass(el, cls);\n}\n\nfunction whenTransitionEnds (\n  el,\n  expectedType,\n  cb\n) {\n  var ref = getTransitionInfo(el, expectedType);\n  var type = ref.type;\n  var timeout = ref.timeout;\n  var propCount = ref.propCount;\n  if (!type) { return cb() }\n  var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;\n  var ended = 0;\n  var end = function () {\n    el.removeEventListener(event, onEnd);\n    cb();\n  };\n  var onEnd = function (e) {\n    if (e.target === el) {\n      if (++ended >= propCount) {\n        end();\n      }\n    }\n  };\n  setTimeout(function () {\n    if (ended < propCount) {\n      end();\n    }\n  }, timeout + 1);\n  el.addEventListener(event, onEnd);\n}\n\nvar transformRE = /\\b(transform|all)(,|$)/;\n\nfunction getTransitionInfo (el, expectedType) {\n  var styles = window.getComputedStyle(el);\n  // JSDOM may return undefined for transition properties\n  var transitionDelays = (styles[transitionProp + 'Delay'] || '').split(', ');\n  var transitionDurations = (styles[transitionProp + 'Duration'] || '').split(', ');\n  var transitionTimeout = getTimeout(transitionDelays, transitionDurations);\n  var animationDelays = (styles[animationProp + 'Delay'] || '').split(', ');\n  var animationDurations = (styles[animationProp + 'Duration'] || '').split(', ');\n  var animationTimeout = getTimeout(animationDelays, animationDurations);\n\n  var type;\n  var timeout = 0;\n  var propCount = 0;\n  /* istanbul ignore if */\n  if (expectedType === TRANSITION) {\n    if (transitionTimeout > 0) {\n      type = TRANSITION;\n      timeout = transitionTimeout;\n      propCount = transitionDurations.length;\n    }\n  } else if (expectedType === ANIMATION) {\n    if (animationTimeout > 0) {\n      type = ANIMATION;\n      timeout = animationTimeout;\n      propCount = animationDurations.length;\n    }\n  } else {\n    timeout = Math.max(transitionTimeout, animationTimeout);\n    type = timeout > 0\n      ? transitionTimeout > animationTimeout\n        ? TRANSITION\n        : ANIMATION\n      : null;\n    propCount = type\n      ? type === TRANSITION\n        ? transitionDurations.length\n        : animationDurations.length\n      : 0;\n  }\n  var hasTransform =\n    type === TRANSITION &&\n    transformRE.test(styles[transitionProp + 'Property']);\n  return {\n    type: type,\n    timeout: timeout,\n    propCount: propCount,\n    hasTransform: hasTransform\n  }\n}\n\nfunction getTimeout (delays, durations) {\n  /* istanbul ignore next */\n  while (delays.length < durations.length) {\n    delays = delays.concat(delays);\n  }\n\n  return Math.max.apply(null, durations.map(function (d, i) {\n    return toMs(d) + toMs(delays[i])\n  }))\n}\n\n// Old versions of Chromium (below 61.0.3163.100) formats floating pointer numbers\n// in a locale-dependent way, using a comma instead of a dot.\n// If comma is not replaced with a dot, the input will be rounded down (i.e. acting\n// as a floor function) causing unexpected behaviors\nfunction toMs (s) {\n  return Number(s.slice(0, -1).replace(',', '.')) * 1000\n}\n\n/*  */\n\nfunction enter (vnode, toggleDisplay) {\n  var el = vnode.elm;\n\n  // call leave callback now\n  if (isDef(el._leaveCb)) {\n    el._leaveCb.cancelled = true;\n    el._leaveCb();\n  }\n\n  var data = resolveTransition(vnode.data.transition);\n  if (isUndef(data)) {\n    return\n  }\n\n  /* istanbul ignore if */\n  if (isDef(el._enterCb) || el.nodeType !== 1) {\n    return\n  }\n\n  var css = data.css;\n  var type = data.type;\n  var enterClass = data.enterClass;\n  var enterToClass = data.enterToClass;\n  var enterActiveClass = data.enterActiveClass;\n  var appearClass = data.appearClass;\n  var appearToClass = data.appearToClass;\n  var appearActiveClass = data.appearActiveClass;\n  var beforeEnter = data.beforeEnter;\n  var enter = data.enter;\n  var afterEnter = data.afterEnter;\n  var enterCancelled = data.enterCancelled;\n  var beforeAppear = data.beforeAppear;\n  var appear = data.appear;\n  var afterAppear = data.afterAppear;\n  var appearCancelled = data.appearCancelled;\n  var duration = data.duration;\n\n  // activeInstance will always be the <transition> component managing this\n  // transition. One edge case to check is when the <transition> is placed\n  // as the root node of a child component. In that case we need to check\n  // <transition>'s parent for appear check.\n  var context = activeInstance;\n  var transitionNode = activeInstance.$vnode;\n  while (transitionNode && transitionNode.parent) {\n    context = transitionNode.context;\n    transitionNode = transitionNode.parent;\n  }\n\n  var isAppear = !context._isMounted || !vnode.isRootInsert;\n\n  if (isAppear && !appear && appear !== '') {\n    return\n  }\n\n  var startClass = isAppear && appearClass\n    ? appearClass\n    : enterClass;\n  var activeClass = isAppear && appearActiveClass\n    ? appearActiveClass\n    : enterActiveClass;\n  var toClass = isAppear && appearToClass\n    ? appearToClass\n    : enterToClass;\n\n  var beforeEnterHook = isAppear\n    ? (beforeAppear || beforeEnter)\n    : beforeEnter;\n  var enterHook = isAppear\n    ? (typeof appear === 'function' ? appear : enter)\n    : enter;\n  var afterEnterHook = isAppear\n    ? (afterAppear || afterEnter)\n    : afterEnter;\n  var enterCancelledHook = isAppear\n    ? (appearCancelled || enterCancelled)\n    : enterCancelled;\n\n  var explicitEnterDuration = toNumber(\n    isObject(duration)\n      ? duration.enter\n      : duration\n  );\n\n  if ( true && explicitEnterDuration != null) {\n    checkDuration(explicitEnterDuration, 'enter', vnode);\n  }\n\n  var expectsCSS = css !== false && !isIE9;\n  var userWantsControl = getHookArgumentsLength(enterHook);\n\n  var cb = el._enterCb = once(function () {\n    if (expectsCSS) {\n      removeTransitionClass(el, toClass);\n      removeTransitionClass(el, activeClass);\n    }\n    if (cb.cancelled) {\n      if (expectsCSS) {\n        removeTransitionClass(el, startClass);\n      }\n      enterCancelledHook && enterCancelledHook(el);\n    } else {\n      afterEnterHook && afterEnterHook(el);\n    }\n    el._enterCb = null;\n  });\n\n  if (!vnode.data.show) {\n    // remove pending leave element on enter by injecting an insert hook\n    mergeVNodeHook(vnode, 'insert', function () {\n      var parent = el.parentNode;\n      var pendingNode = parent && parent._pending && parent._pending[vnode.key];\n      if (pendingNode &&\n        pendingNode.tag === vnode.tag &&\n        pendingNode.elm._leaveCb\n      ) {\n        pendingNode.elm._leaveCb();\n      }\n      enterHook && enterHook(el, cb);\n    });\n  }\n\n  // start enter transition\n  beforeEnterHook && beforeEnterHook(el);\n  if (expectsCSS) {\n    addTransitionClass(el, startClass);\n    addTransitionClass(el, activeClass);\n    nextFrame(function () {\n      removeTransitionClass(el, startClass);\n      if (!cb.cancelled) {\n        addTransitionClass(el, toClass);\n        if (!userWantsControl) {\n          if (isValidDuration(explicitEnterDuration)) {\n            setTimeout(cb, explicitEnterDuration);\n          } else {\n            whenTransitionEnds(el, type, cb);\n          }\n        }\n      }\n    });\n  }\n\n  if (vnode.data.show) {\n    toggleDisplay && toggleDisplay();\n    enterHook && enterHook(el, cb);\n  }\n\n  if (!expectsCSS && !userWantsControl) {\n    cb();\n  }\n}\n\nfunction leave (vnode, rm) {\n  var el = vnode.elm;\n\n  // call enter callback now\n  if (isDef(el._enterCb)) {\n    el._enterCb.cancelled = true;\n    el._enterCb();\n  }\n\n  var data = resolveTransition(vnode.data.transition);\n  if (isUndef(data) || el.nodeType !== 1) {\n    return rm()\n  }\n\n  /* istanbul ignore if */\n  if (isDef(el._leaveCb)) {\n    return\n  }\n\n  var css = data.css;\n  var type = data.type;\n  var leaveClass = data.leaveClass;\n  var leaveToClass = data.leaveToClass;\n  var leaveActiveClass = data.leaveActiveClass;\n  var beforeLeave = data.beforeLeave;\n  var leave = data.leave;\n  var afterLeave = data.afterLeave;\n  var leaveCancelled = data.leaveCancelled;\n  var delayLeave = data.delayLeave;\n  var duration = data.duration;\n\n  var expectsCSS = css !== false && !isIE9;\n  var userWantsControl = getHookArgumentsLength(leave);\n\n  var explicitLeaveDuration = toNumber(\n    isObject(duration)\n      ? duration.leave\n      : duration\n  );\n\n  if ( true && isDef(explicitLeaveDuration)) {\n    checkDuration(explicitLeaveDuration, 'leave', vnode);\n  }\n\n  var cb = el._leaveCb = once(function () {\n    if (el.parentNode && el.parentNode._pending) {\n      el.parentNode._pending[vnode.key] = null;\n    }\n    if (expectsCSS) {\n      removeTransitionClass(el, leaveToClass);\n      removeTransitionClass(el, leaveActiveClass);\n    }\n    if (cb.cancelled) {\n      if (expectsCSS) {\n        removeTransitionClass(el, leaveClass);\n      }\n      leaveCancelled && leaveCancelled(el);\n    } else {\n      rm();\n      afterLeave && afterLeave(el);\n    }\n    el._leaveCb = null;\n  });\n\n  if (delayLeave) {\n    delayLeave(performLeave);\n  } else {\n    performLeave();\n  }\n\n  function performLeave () {\n    // the delayed leave may have already been cancelled\n    if (cb.cancelled) {\n      return\n    }\n    // record leaving element\n    if (!vnode.data.show && el.parentNode) {\n      (el.parentNode._pending || (el.parentNode._pending = {}))[(vnode.key)] = vnode;\n    }\n    beforeLeave && beforeLeave(el);\n    if (expectsCSS) {\n      addTransitionClass(el, leaveClass);\n      addTransitionClass(el, leaveActiveClass);\n      nextFrame(function () {\n        removeTransitionClass(el, leaveClass);\n        if (!cb.cancelled) {\n          addTransitionClass(el, leaveToClass);\n          if (!userWantsControl) {\n            if (isValidDuration(explicitLeaveDuration)) {\n              setTimeout(cb, explicitLeaveDuration);\n            } else {\n              whenTransitionEnds(el, type, cb);\n            }\n          }\n        }\n      });\n    }\n    leave && leave(el, cb);\n    if (!expectsCSS && !userWantsControl) {\n      cb();\n    }\n  }\n}\n\n// only used in dev mode\nfunction checkDuration (val, name, vnode) {\n  if (typeof val !== 'number') {\n    warn(\n      \"<transition> explicit \" + name + \" duration is not a valid number - \" +\n      \"got \" + (JSON.stringify(val)) + \".\",\n      vnode.context\n    );\n  } else if (isNaN(val)) {\n    warn(\n      \"<transition> explicit \" + name + \" duration is NaN - \" +\n      'the duration expression might be incorrect.',\n      vnode.context\n    );\n  }\n}\n\nfunction isValidDuration (val) {\n  return typeof val === 'number' && !isNaN(val)\n}\n\n/**\n * Normalize a transition hook's argument length. The hook may be:\n * - a merged hook (invoker) with the original in .fns\n * - a wrapped component method (check ._length)\n * - a plain function (.length)\n */\nfunction getHookArgumentsLength (fn) {\n  if (isUndef(fn)) {\n    return false\n  }\n  var invokerFns = fn.fns;\n  if (isDef(invokerFns)) {\n    // invoker\n    return getHookArgumentsLength(\n      Array.isArray(invokerFns)\n        ? invokerFns[0]\n        : invokerFns\n    )\n  } else {\n    return (fn._length || fn.length) > 1\n  }\n}\n\nfunction _enter (_, vnode) {\n  if (vnode.data.show !== true) {\n    enter(vnode);\n  }\n}\n\nvar transition = inBrowser ? {\n  create: _enter,\n  activate: _enter,\n  remove: function remove$$1 (vnode, rm) {\n    /* istanbul ignore else */\n    if (vnode.data.show !== true) {\n      leave(vnode, rm);\n    } else {\n      rm();\n    }\n  }\n} : {};\n\nvar platformModules = [\n  attrs,\n  klass,\n  events,\n  domProps,\n  style,\n  transition\n];\n\n/*  */\n\n// the directive module should be applied last, after all\n// built-in modules have been applied.\nvar modules = platformModules.concat(baseModules);\n\nvar patch = createPatchFunction({ nodeOps: nodeOps, modules: modules });\n\n/**\n * Not type checking this file because flow doesn't like attaching\n * properties to Elements.\n */\n\n/* istanbul ignore if */\nif (isIE9) {\n  // http://www.matts411.com/post/internet-explorer-9-oninput/\n  document.addEventListener('selectionchange', function () {\n    var el = document.activeElement;\n    if (el && el.vmodel) {\n      trigger(el, 'input');\n    }\n  });\n}\n\nvar directive = {\n  inserted: function inserted (el, binding, vnode, oldVnode) {\n    if (vnode.tag === 'select') {\n      // #6903\n      if (oldVnode.elm && !oldVnode.elm._vOptions) {\n        mergeVNodeHook(vnode, 'postpatch', function () {\n          directive.componentUpdated(el, binding, vnode);\n        });\n      } else {\n        setSelected(el, binding, vnode.context);\n      }\n      el._vOptions = [].map.call(el.options, getValue);\n    } else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {\n      el._vModifiers = binding.modifiers;\n      if (!binding.modifiers.lazy) {\n        el.addEventListener('compositionstart', onCompositionStart);\n        el.addEventListener('compositionend', onCompositionEnd);\n        // Safari < 10.2 & UIWebView doesn't fire compositionend when\n        // switching focus before confirming composition choice\n        // this also fixes the issue where some browsers e.g. iOS Chrome\n        // fires \"change\" instead of \"input\" on autocomplete.\n        el.addEventListener('change', onCompositionEnd);\n        /* istanbul ignore if */\n        if (isIE9) {\n          el.vmodel = true;\n        }\n      }\n    }\n  },\n\n  componentUpdated: function componentUpdated (el, binding, vnode) {\n    if (vnode.tag === 'select') {\n      setSelected(el, binding, vnode.context);\n      // in case the options rendered by v-for have changed,\n      // it's possible that the value is out-of-sync with the rendered options.\n      // detect such cases and filter out values that no longer has a matching\n      // option in the DOM.\n      var prevOptions = el._vOptions;\n      var curOptions = el._vOptions = [].map.call(el.options, getValue);\n      if (curOptions.some(function (o, i) { return !looseEqual(o, prevOptions[i]); })) {\n        // trigger change event if\n        // no matching option found for at least one value\n        var needReset = el.multiple\n          ? binding.value.some(function (v) { return hasNoMatchingOption(v, curOptions); })\n          : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, curOptions);\n        if (needReset) {\n          trigger(el, 'change');\n        }\n      }\n    }\n  }\n};\n\nfunction setSelected (el, binding, vm) {\n  actuallySetSelected(el, binding, vm);\n  /* istanbul ignore if */\n  if (isIE || isEdge) {\n    setTimeout(function () {\n      actuallySetSelected(el, binding, vm);\n    }, 0);\n  }\n}\n\nfunction actuallySetSelected (el, binding, vm) {\n  var value = binding.value;\n  var isMultiple = el.multiple;\n  if (isMultiple && !Array.isArray(value)) {\n     true && warn(\n      \"<select multiple v-model=\\\"\" + (binding.expression) + \"\\\"> \" +\n      \"expects an Array value for its binding, but got \" + (Object.prototype.toString.call(value).slice(8, -1)),\n      vm\n    );\n    return\n  }\n  var selected, option;\n  for (var i = 0, l = el.options.length; i < l; i++) {\n    option = el.options[i];\n    if (isMultiple) {\n      selected = looseIndexOf(value, getValue(option)) > -1;\n      if (option.selected !== selected) {\n        option.selected = selected;\n      }\n    } else {\n      if (looseEqual(getValue(option), value)) {\n        if (el.selectedIndex !== i) {\n          el.selectedIndex = i;\n        }\n        return\n      }\n    }\n  }\n  if (!isMultiple) {\n    el.selectedIndex = -1;\n  }\n}\n\nfunction hasNoMatchingOption (value, options) {\n  return options.every(function (o) { return !looseEqual(o, value); })\n}\n\nfunction getValue (option) {\n  return '_value' in option\n    ? option._value\n    : option.value\n}\n\nfunction onCompositionStart (e) {\n  e.target.composing = true;\n}\n\nfunction onCompositionEnd (e) {\n  // prevent triggering an input event for no reason\n  if (!e.target.composing) { return }\n  e.target.composing = false;\n  trigger(e.target, 'input');\n}\n\nfunction trigger (el, type) {\n  var e = document.createEvent('HTMLEvents');\n  e.initEvent(type, true, true);\n  el.dispatchEvent(e);\n}\n\n/*  */\n\n// recursively search for possible transition defined inside the component root\nfunction locateNode (vnode) {\n  return vnode.componentInstance && (!vnode.data || !vnode.data.transition)\n    ? locateNode(vnode.componentInstance._vnode)\n    : vnode\n}\n\nvar show = {\n  bind: function bind (el, ref, vnode) {\n    var value = ref.value;\n\n    vnode = locateNode(vnode);\n    var transition$$1 = vnode.data && vnode.data.transition;\n    var originalDisplay = el.__vOriginalDisplay =\n      el.style.display === 'none' ? '' : el.style.display;\n    if (value && transition$$1) {\n      vnode.data.show = true;\n      enter(vnode, function () {\n        el.style.display = originalDisplay;\n      });\n    } else {\n      el.style.display = value ? originalDisplay : 'none';\n    }\n  },\n\n  update: function update (el, ref, vnode) {\n    var value = ref.value;\n    var oldValue = ref.oldValue;\n\n    /* istanbul ignore if */\n    if (!value === !oldValue) { return }\n    vnode = locateNode(vnode);\n    var transition$$1 = vnode.data && vnode.data.transition;\n    if (transition$$1) {\n      vnode.data.show = true;\n      if (value) {\n        enter(vnode, function () {\n          el.style.display = el.__vOriginalDisplay;\n        });\n      } else {\n        leave(vnode, function () {\n          el.style.display = 'none';\n        });\n      }\n    } else {\n      el.style.display = value ? el.__vOriginalDisplay : 'none';\n    }\n  },\n\n  unbind: function unbind (\n    el,\n    binding,\n    vnode,\n    oldVnode,\n    isDestroy\n  ) {\n    if (!isDestroy) {\n      el.style.display = el.__vOriginalDisplay;\n    }\n  }\n};\n\nvar platformDirectives = {\n  model: directive,\n  show: show\n};\n\n/*  */\n\nvar transitionProps = {\n  name: String,\n  appear: Boolean,\n  css: Boolean,\n  mode: String,\n  type: String,\n  enterClass: String,\n  leaveClass: String,\n  enterToClass: String,\n  leaveToClass: String,\n  enterActiveClass: String,\n  leaveActiveClass: String,\n  appearClass: String,\n  appearActiveClass: String,\n  appearToClass: String,\n  duration: [Number, String, Object]\n};\n\n// in case the child is also an abstract component, e.g. <keep-alive>\n// we want to recursively retrieve the real component to be rendered\nfunction getRealChild (vnode) {\n  var compOptions = vnode && vnode.componentOptions;\n  if (compOptions && compOptions.Ctor.options.abstract) {\n    return getRealChild(getFirstComponentChild(compOptions.children))\n  } else {\n    return vnode\n  }\n}\n\nfunction extractTransitionData (comp) {\n  var data = {};\n  var options = comp.$options;\n  // props\n  for (var key in options.propsData) {\n    data[key] = comp[key];\n  }\n  // events.\n  // extract listeners and pass them directly to the transition methods\n  var listeners = options._parentListeners;\n  for (var key$1 in listeners) {\n    data[camelize(key$1)] = listeners[key$1];\n  }\n  return data\n}\n\nfunction placeholder (h, rawChild) {\n  if (/\\d-keep-alive$/.test(rawChild.tag)) {\n    return h('keep-alive', {\n      props: rawChild.componentOptions.propsData\n    })\n  }\n}\n\nfunction hasParentTransition (vnode) {\n  while ((vnode = vnode.parent)) {\n    if (vnode.data.transition) {\n      return true\n    }\n  }\n}\n\nfunction isSameChild (child, oldChild) {\n  return oldChild.key === child.key && oldChild.tag === child.tag\n}\n\nvar isNotTextNode = function (c) { return c.tag || isAsyncPlaceholder(c); };\n\nvar isVShowDirective = function (d) { return d.name === 'show'; };\n\nvar Transition = {\n  name: 'transition',\n  props: transitionProps,\n  abstract: true,\n\n  render: function render (h) {\n    var this$1 = this;\n\n    var children = this.$slots.default;\n    if (!children) {\n      return\n    }\n\n    // filter out text nodes (possible whitespaces)\n    children = children.filter(isNotTextNode);\n    /* istanbul ignore if */\n    if (!children.length) {\n      return\n    }\n\n    // warn multiple elements\n    if ( true && children.length > 1) {\n      warn(\n        '<transition> can only be used on a single element. Use ' +\n        '<transition-group> for lists.',\n        this.$parent\n      );\n    }\n\n    var mode = this.mode;\n\n    // warn invalid mode\n    if ( true &&\n      mode && mode !== 'in-out' && mode !== 'out-in'\n    ) {\n      warn(\n        'invalid <transition> mode: ' + mode,\n        this.$parent\n      );\n    }\n\n    var rawChild = children[0];\n\n    // if this is a component root node and the component's\n    // parent container node also has transition, skip.\n    if (hasParentTransition(this.$vnode)) {\n      return rawChild\n    }\n\n    // apply transition data to child\n    // use getRealChild() to ignore abstract components e.g. keep-alive\n    var child = getRealChild(rawChild);\n    /* istanbul ignore if */\n    if (!child) {\n      return rawChild\n    }\n\n    if (this._leaving) {\n      return placeholder(h, rawChild)\n    }\n\n    // ensure a key that is unique to the vnode type and to this transition\n    // component instance. This key will be used to remove pending leaving nodes\n    // during entering.\n    var id = \"__transition-\" + (this._uid) + \"-\";\n    child.key = child.key == null\n      ? child.isComment\n        ? id + 'comment'\n        : id + child.tag\n      : isPrimitive(child.key)\n        ? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key)\n        : child.key;\n\n    var data = (child.data || (child.data = {})).transition = extractTransitionData(this);\n    var oldRawChild = this._vnode;\n    var oldChild = getRealChild(oldRawChild);\n\n    // mark v-show\n    // so that the transition module can hand over the control to the directive\n    if (child.data.directives && child.data.directives.some(isVShowDirective)) {\n      child.data.show = true;\n    }\n\n    if (\n      oldChild &&\n      oldChild.data &&\n      !isSameChild(child, oldChild) &&\n      !isAsyncPlaceholder(oldChild) &&\n      // #6687 component root is a comment node\n      !(oldChild.componentInstance && oldChild.componentInstance._vnode.isComment)\n    ) {\n      // replace old child transition data with fresh one\n      // important for dynamic transitions!\n      var oldData = oldChild.data.transition = extend({}, data);\n      // handle transition mode\n      if (mode === 'out-in') {\n        // return placeholder node and queue update when leave finishes\n        this._leaving = true;\n        mergeVNodeHook(oldData, 'afterLeave', function () {\n          this$1._leaving = false;\n          this$1.$forceUpdate();\n        });\n        return placeholder(h, rawChild)\n      } else if (mode === 'in-out') {\n        if (isAsyncPlaceholder(child)) {\n          return oldRawChild\n        }\n        var delayedLeave;\n        var performLeave = function () { delayedLeave(); };\n        mergeVNodeHook(data, 'afterEnter', performLeave);\n        mergeVNodeHook(data, 'enterCancelled', performLeave);\n        mergeVNodeHook(oldData, 'delayLeave', function (leave) { delayedLeave = leave; });\n      }\n    }\n\n    return rawChild\n  }\n};\n\n/*  */\n\nvar props = extend({\n  tag: String,\n  moveClass: String\n}, transitionProps);\n\ndelete props.mode;\n\nvar TransitionGroup = {\n  props: props,\n\n  beforeMount: function beforeMount () {\n    var this$1 = this;\n\n    var update = this._update;\n    this._update = function (vnode, hydrating) {\n      var restoreActiveInstance = setActiveInstance(this$1);\n      // force removing pass\n      this$1.__patch__(\n        this$1._vnode,\n        this$1.kept,\n        false, // hydrating\n        true // removeOnly (!important, avoids unnecessary moves)\n      );\n      this$1._vnode = this$1.kept;\n      restoreActiveInstance();\n      update.call(this$1, vnode, hydrating);\n    };\n  },\n\n  render: function render (h) {\n    var tag = this.tag || this.$vnode.data.tag || 'span';\n    var map = Object.create(null);\n    var prevChildren = this.prevChildren = this.children;\n    var rawChildren = this.$slots.default || [];\n    var children = this.children = [];\n    var transitionData = extractTransitionData(this);\n\n    for (var i = 0; i < rawChildren.length; i++) {\n      var c = rawChildren[i];\n      if (c.tag) {\n        if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {\n          children.push(c);\n          map[c.key] = c\n          ;(c.data || (c.data = {})).transition = transitionData;\n        } else if (true) {\n          var opts = c.componentOptions;\n          var name = opts ? (opts.Ctor.options.name || opts.tag || '') : c.tag;\n          warn((\"<transition-group> children must be keyed: <\" + name + \">\"));\n        }\n      }\n    }\n\n    if (prevChildren) {\n      var kept = [];\n      var removed = [];\n      for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {\n        var c$1 = prevChildren[i$1];\n        c$1.data.transition = transitionData;\n        c$1.data.pos = c$1.elm.getBoundingClientRect();\n        if (map[c$1.key]) {\n          kept.push(c$1);\n        } else {\n          removed.push(c$1);\n        }\n      }\n      this.kept = h(tag, null, kept);\n      this.removed = removed;\n    }\n\n    return h(tag, null, children)\n  },\n\n  updated: function updated () {\n    var children = this.prevChildren;\n    var moveClass = this.moveClass || ((this.name || 'v') + '-move');\n    if (!children.length || !this.hasMove(children[0].elm, moveClass)) {\n      return\n    }\n\n    // we divide the work into three loops to avoid mixing DOM reads and writes\n    // in each iteration - which helps prevent layout thrashing.\n    children.forEach(callPendingCbs);\n    children.forEach(recordPosition);\n    children.forEach(applyTranslation);\n\n    // force reflow to put everything in position\n    // assign to this to avoid being removed in tree-shaking\n    // $flow-disable-line\n    this._reflow = document.body.offsetHeight;\n\n    children.forEach(function (c) {\n      if (c.data.moved) {\n        var el = c.elm;\n        var s = el.style;\n        addTransitionClass(el, moveClass);\n        s.transform = s.WebkitTransform = s.transitionDuration = '';\n        el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {\n          if (e && e.target !== el) {\n            return\n          }\n          if (!e || /transform$/.test(e.propertyName)) {\n            el.removeEventListener(transitionEndEvent, cb);\n            el._moveCb = null;\n            removeTransitionClass(el, moveClass);\n          }\n        });\n      }\n    });\n  },\n\n  methods: {\n    hasMove: function hasMove (el, moveClass) {\n      /* istanbul ignore if */\n      if (!hasTransition) {\n        return false\n      }\n      /* istanbul ignore if */\n      if (this._hasMove) {\n        return this._hasMove\n      }\n      // Detect whether an element with the move class applied has\n      // CSS transitions. Since the element may be inside an entering\n      // transition at this very moment, we make a clone of it and remove\n      // all other transition classes applied to ensure only the move class\n      // is applied.\n      var clone = el.cloneNode();\n      if (el._transitionClasses) {\n        el._transitionClasses.forEach(function (cls) { removeClass(clone, cls); });\n      }\n      addClass(clone, moveClass);\n      clone.style.display = 'none';\n      this.$el.appendChild(clone);\n      var info = getTransitionInfo(clone);\n      this.$el.removeChild(clone);\n      return (this._hasMove = info.hasTransform)\n    }\n  }\n};\n\nfunction callPendingCbs (c) {\n  /* istanbul ignore if */\n  if (c.elm._moveCb) {\n    c.elm._moveCb();\n  }\n  /* istanbul ignore if */\n  if (c.elm._enterCb) {\n    c.elm._enterCb();\n  }\n}\n\nfunction recordPosition (c) {\n  c.data.newPos = c.elm.getBoundingClientRect();\n}\n\nfunction applyTranslation (c) {\n  var oldPos = c.data.pos;\n  var newPos = c.data.newPos;\n  var dx = oldPos.left - newPos.left;\n  var dy = oldPos.top - newPos.top;\n  if (dx || dy) {\n    c.data.moved = true;\n    var s = c.elm.style;\n    s.transform = s.WebkitTransform = \"translate(\" + dx + \"px,\" + dy + \"px)\";\n    s.transitionDuration = '0s';\n  }\n}\n\nvar platformComponents = {\n  Transition: Transition,\n  TransitionGroup: TransitionGroup\n};\n\n/*  */\n\n// install platform specific utils\nVue.config.mustUseProp = mustUseProp;\nVue.config.isReservedTag = isReservedTag;\nVue.config.isReservedAttr = isReservedAttr;\nVue.config.getTagNamespace = getTagNamespace;\nVue.config.isUnknownElement = isUnknownElement;\n\n// install platform runtime directives & components\nextend(Vue.options.directives, platformDirectives);\nextend(Vue.options.components, platformComponents);\n\n// install platform patch function\nVue.prototype.__patch__ = inBrowser ? patch : noop;\n\n// public mount method\nVue.prototype.$mount = function (\n  el,\n  hydrating\n) {\n  el = el && inBrowser ? query(el) : undefined;\n  return mountComponent(this, el, hydrating)\n};\n\n// devtools global hook\n/* istanbul ignore next */\nif (inBrowser) {\n  setTimeout(function () {\n    if (config.devtools) {\n      if (devtools) {\n        devtools.emit('init', Vue);\n      } else if (\n        true\n      ) {\n        console[console.info ? 'info' : 'log'](\n          'Download the Vue Devtools extension for a better development experience:\\n' +\n          'https://github.com/vuejs/vue-devtools'\n        );\n      }\n    }\n    if ( true &&\n      config.productionTip !== false &&\n      typeof console !== 'undefined'\n    ) {\n      console[console.info ? 'info' : 'log'](\n        \"You are running Vue in development mode.\\n\" +\n        \"Make sure to turn on production mode when deploying for production.\\n\" +\n        \"See more tips at https://vuejs.org/guide/deployment.html\"\n      );\n    }\n  }, 0);\n}\n\n/*  */\n\nvar defaultTagRE = /\\{\\{((?:.|\\r?\\n)+?)\\}\\}/g;\nvar regexEscapeRE = /[-.*+?^${}()|[\\]\\/\\\\]/g;\n\nvar buildRegex = cached(function (delimiters) {\n  var open = delimiters[0].replace(regexEscapeRE, '\\\\$&');\n  var close = delimiters[1].replace(regexEscapeRE, '\\\\$&');\n  return new RegExp(open + '((?:.|\\\\n)+?)' + close, 'g')\n});\n\n\n\nfunction parseText (\n  text,\n  delimiters\n) {\n  var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;\n  if (!tagRE.test(text)) {\n    return\n  }\n  var tokens = [];\n  var rawTokens = [];\n  var lastIndex = tagRE.lastIndex = 0;\n  var match, index, tokenValue;\n  while ((match = tagRE.exec(text))) {\n    index = match.index;\n    // push text token\n    if (index > lastIndex) {\n      rawTokens.push(tokenValue = text.slice(lastIndex, index));\n      tokens.push(JSON.stringify(tokenValue));\n    }\n    // tag token\n    var exp = parseFilters(match[1].trim());\n    tokens.push((\"_s(\" + exp + \")\"));\n    rawTokens.push({ '@binding': exp });\n    lastIndex = index + match[0].length;\n  }\n  if (lastIndex < text.length) {\n    rawTokens.push(tokenValue = text.slice(lastIndex));\n    tokens.push(JSON.stringify(tokenValue));\n  }\n  return {\n    expression: tokens.join('+'),\n    tokens: rawTokens\n  }\n}\n\n/*  */\n\nfunction transformNode (el, options) {\n  var warn = options.warn || baseWarn;\n  var staticClass = getAndRemoveAttr(el, 'class');\n  if ( true && staticClass) {\n    var res = parseText(staticClass, options.delimiters);\n    if (res) {\n      warn(\n        \"class=\\\"\" + staticClass + \"\\\": \" +\n        'Interpolation inside attributes has been removed. ' +\n        'Use v-bind or the colon shorthand instead. For example, ' +\n        'instead of <div class=\"{{ val }}\">, use <div :class=\"val\">.',\n        el.rawAttrsMap['class']\n      );\n    }\n  }\n  if (staticClass) {\n    el.staticClass = JSON.stringify(staticClass);\n  }\n  var classBinding = getBindingAttr(el, 'class', false /* getStatic */);\n  if (classBinding) {\n    el.classBinding = classBinding;\n  }\n}\n\nfunction genData (el) {\n  var data = '';\n  if (el.staticClass) {\n    data += \"staticClass:\" + (el.staticClass) + \",\";\n  }\n  if (el.classBinding) {\n    data += \"class:\" + (el.classBinding) + \",\";\n  }\n  return data\n}\n\nvar klass$1 = {\n  staticKeys: ['staticClass'],\n  transformNode: transformNode,\n  genData: genData\n};\n\n/*  */\n\nfunction transformNode$1 (el, options) {\n  var warn = options.warn || baseWarn;\n  var staticStyle = getAndRemoveAttr(el, 'style');\n  if (staticStyle) {\n    /* istanbul ignore if */\n    if (true) {\n      var res = parseText(staticStyle, options.delimiters);\n      if (res) {\n        warn(\n          \"style=\\\"\" + staticStyle + \"\\\": \" +\n          'Interpolation inside attributes has been removed. ' +\n          'Use v-bind or the colon shorthand instead. For example, ' +\n          'instead of <div style=\"{{ val }}\">, use <div :style=\"val\">.',\n          el.rawAttrsMap['style']\n        );\n      }\n    }\n    el.staticStyle = JSON.stringify(parseStyleText(staticStyle));\n  }\n\n  var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);\n  if (styleBinding) {\n    el.styleBinding = styleBinding;\n  }\n}\n\nfunction genData$1 (el) {\n  var data = '';\n  if (el.staticStyle) {\n    data += \"staticStyle:\" + (el.staticStyle) + \",\";\n  }\n  if (el.styleBinding) {\n    data += \"style:(\" + (el.styleBinding) + \"),\";\n  }\n  return data\n}\n\nvar style$1 = {\n  staticKeys: ['staticStyle'],\n  transformNode: transformNode$1,\n  genData: genData$1\n};\n\n/*  */\n\nvar decoder;\n\nvar he = {\n  decode: function decode (html) {\n    decoder = decoder || document.createElement('div');\n    decoder.innerHTML = html;\n    return decoder.textContent\n  }\n};\n\n/*  */\n\nvar isUnaryTag = makeMap(\n  'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +\n  'link,meta,param,source,track,wbr'\n);\n\n// Elements that you can, intentionally, leave open\n// (and which close themselves)\nvar canBeLeftOpenTag = makeMap(\n  'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'\n);\n\n// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3\n// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content\nvar isNonPhrasingTag = makeMap(\n  'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +\n  'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +\n  'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +\n  'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +\n  'title,tr,track'\n);\n\n/**\n * Not type-checking this file because it's mostly vendor code.\n */\n\n// Regular Expressions for parsing tags and attributes\nvar attribute = /^\\s*([^\\s\"'<>\\/=]+)(?:\\s*(=)\\s*(?:\"([^\"]*)\"+|'([^']*)'+|([^\\s\"'=<>`]+)))?/;\nvar dynamicArgAttribute = /^\\s*((?:v-[\\w-]+:|@|:|#)\\[[^=]+\\][^\\s\"'<>\\/=]*)(?:\\s*(=)\\s*(?:\"([^\"]*)\"+|'([^']*)'+|([^\\s\"'=<>`]+)))?/;\nvar ncname = \"[a-zA-Z_][\\\\-\\\\.0-9_a-zA-Z\" + (unicodeRegExp.source) + \"]*\";\nvar qnameCapture = \"((?:\" + ncname + \"\\\\:)?\" + ncname + \")\";\nvar startTagOpen = new RegExp((\"^<\" + qnameCapture));\nvar startTagClose = /^\\s*(\\/?)>/;\nvar endTag = new RegExp((\"^<\\\\/\" + qnameCapture + \"[^>]*>\"));\nvar doctype = /^<!DOCTYPE [^>]+>/i;\n// #7298: escape - to avoid being pased as HTML comment when inlined in page\nvar comment = /^<!\\--/;\nvar conditionalComment = /^<!\\[/;\n\n// Special Elements (can contain anything)\nvar isPlainTextElement = makeMap('script,style,textarea', true);\nvar reCache = {};\n\nvar decodingMap = {\n  '&lt;': '<',\n  '&gt;': '>',\n  '&quot;': '\"',\n  '&amp;': '&',\n  '&#10;': '\\n',\n  '&#9;': '\\t',\n  '&#39;': \"'\"\n};\nvar encodedAttr = /&(?:lt|gt|quot|amp|#39);/g;\nvar encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#39|#10|#9);/g;\n\n// #5992\nvar isIgnoreNewlineTag = makeMap('pre,textarea', true);\nvar shouldIgnoreFirstNewline = function (tag, html) { return tag && isIgnoreNewlineTag(tag) && html[0] === '\\n'; };\n\nfunction decodeAttr (value, shouldDecodeNewlines) {\n  var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;\n  return value.replace(re, function (match) { return decodingMap[match]; })\n}\n\nfunction parseHTML (html, options) {\n  var stack = [];\n  var expectHTML = options.expectHTML;\n  var isUnaryTag$$1 = options.isUnaryTag || no;\n  var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no;\n  var index = 0;\n  var last, lastTag;\n  while (html) {\n    last = html;\n    // Make sure we're not in a plaintext content element like script/style\n    if (!lastTag || !isPlainTextElement(lastTag)) {\n      var textEnd = html.indexOf('<');\n      if (textEnd === 0) {\n        // Comment:\n        if (comment.test(html)) {\n          var commentEnd = html.indexOf('-->');\n\n          if (commentEnd >= 0) {\n            if (options.shouldKeepComment) {\n              options.comment(html.substring(4, commentEnd), index, index + commentEnd + 3);\n            }\n            advance(commentEnd + 3);\n            continue\n          }\n        }\n\n        // http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment\n        if (conditionalComment.test(html)) {\n          var conditionalEnd = html.indexOf(']>');\n\n          if (conditionalEnd >= 0) {\n            advance(conditionalEnd + 2);\n            continue\n          }\n        }\n\n        // Doctype:\n        var doctypeMatch = html.match(doctype);\n        if (doctypeMatch) {\n          advance(doctypeMatch[0].length);\n          continue\n        }\n\n        // End tag:\n        var endTagMatch = html.match(endTag);\n        if (endTagMatch) {\n          var curIndex = index;\n          advance(endTagMatch[0].length);\n          parseEndTag(endTagMatch[1], curIndex, index);\n          continue\n        }\n\n        // Start tag:\n        var startTagMatch = parseStartTag();\n        if (startTagMatch) {\n          handleStartTag(startTagMatch);\n          if (shouldIgnoreFirstNewline(startTagMatch.tagName, html)) {\n            advance(1);\n          }\n          continue\n        }\n      }\n\n      var text = (void 0), rest = (void 0), next = (void 0);\n      if (textEnd >= 0) {\n        rest = html.slice(textEnd);\n        while (\n          !endTag.test(rest) &&\n          !startTagOpen.test(rest) &&\n          !comment.test(rest) &&\n          !conditionalComment.test(rest)\n        ) {\n          // < in plain text, be forgiving and treat it as text\n          next = rest.indexOf('<', 1);\n          if (next < 0) { break }\n          textEnd += next;\n          rest = html.slice(textEnd);\n        }\n        text = html.substring(0, textEnd);\n      }\n\n      if (textEnd < 0) {\n        text = html;\n      }\n\n      if (text) {\n        advance(text.length);\n      }\n\n      if (options.chars && text) {\n        options.chars(text, index - text.length, index);\n      }\n    } else {\n      var endTagLength = 0;\n      var stackedTag = lastTag.toLowerCase();\n      var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\\\s\\\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));\n      var rest$1 = html.replace(reStackedTag, function (all, text, endTag) {\n        endTagLength = endTag.length;\n        if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {\n          text = text\n            .replace(/<!\\--([\\s\\S]*?)-->/g, '$1') // #7298\n            .replace(/<!\\[CDATA\\[([\\s\\S]*?)]]>/g, '$1');\n        }\n        if (shouldIgnoreFirstNewline(stackedTag, text)) {\n          text = text.slice(1);\n        }\n        if (options.chars) {\n          options.chars(text);\n        }\n        return ''\n      });\n      index += html.length - rest$1.length;\n      html = rest$1;\n      parseEndTag(stackedTag, index - endTagLength, index);\n    }\n\n    if (html === last) {\n      options.chars && options.chars(html);\n      if ( true && !stack.length && options.warn) {\n        options.warn((\"Mal-formatted tag at end of template: \\\"\" + html + \"\\\"\"), { start: index + html.length });\n      }\n      break\n    }\n  }\n\n  // Clean up any remaining tags\n  parseEndTag();\n\n  function advance (n) {\n    index += n;\n    html = html.substring(n);\n  }\n\n  function parseStartTag () {\n    var start = html.match(startTagOpen);\n    if (start) {\n      var match = {\n        tagName: start[1],\n        attrs: [],\n        start: index\n      };\n      advance(start[0].length);\n      var end, attr;\n      while (!(end = html.match(startTagClose)) && (attr = html.match(dynamicArgAttribute) || html.match(attribute))) {\n        attr.start = index;\n        advance(attr[0].length);\n        attr.end = index;\n        match.attrs.push(attr);\n      }\n      if (end) {\n        match.unarySlash = end[1];\n        advance(end[0].length);\n        match.end = index;\n        return match\n      }\n    }\n  }\n\n  function handleStartTag (match) {\n    var tagName = match.tagName;\n    var unarySlash = match.unarySlash;\n\n    if (expectHTML) {\n      if (lastTag === 'p' && isNonPhrasingTag(tagName)) {\n        parseEndTag(lastTag);\n      }\n      if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) {\n        parseEndTag(tagName);\n      }\n    }\n\n    var unary = isUnaryTag$$1(tagName) || !!unarySlash;\n\n    var l = match.attrs.length;\n    var attrs = new Array(l);\n    for (var i = 0; i < l; i++) {\n      var args = match.attrs[i];\n      var value = args[3] || args[4] || args[5] || '';\n      var shouldDecodeNewlines = tagName === 'a' && args[1] === 'href'\n        ? options.shouldDecodeNewlinesForHref\n        : options.shouldDecodeNewlines;\n      attrs[i] = {\n        name: args[1],\n        value: decodeAttr(value, shouldDecodeNewlines)\n      };\n      if ( true && options.outputSourceRange) {\n        attrs[i].start = args.start + args[0].match(/^\\s*/).length;\n        attrs[i].end = args.end;\n      }\n    }\n\n    if (!unary) {\n      stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs, start: match.start, end: match.end });\n      lastTag = tagName;\n    }\n\n    if (options.start) {\n      options.start(tagName, attrs, unary, match.start, match.end);\n    }\n  }\n\n  function parseEndTag (tagName, start, end) {\n    var pos, lowerCasedTagName;\n    if (start == null) { start = index; }\n    if (end == null) { end = index; }\n\n    // Find the closest opened tag of the same type\n    if (tagName) {\n      lowerCasedTagName = tagName.toLowerCase();\n      for (pos = stack.length - 1; pos >= 0; pos--) {\n        if (stack[pos].lowerCasedTag === lowerCasedTagName) {\n          break\n        }\n      }\n    } else {\n      // If no tag name is provided, clean shop\n      pos = 0;\n    }\n\n    if (pos >= 0) {\n      // Close all the open elements, up the stack\n      for (var i = stack.length - 1; i >= pos; i--) {\n        if ( true &&\n          (i > pos || !tagName) &&\n          options.warn\n        ) {\n          options.warn(\n            (\"tag <\" + (stack[i].tag) + \"> has no matching end tag.\"),\n            { start: stack[i].start, end: stack[i].end }\n          );\n        }\n        if (options.end) {\n          options.end(stack[i].tag, start, end);\n        }\n      }\n\n      // Remove the open elements from the stack\n      stack.length = pos;\n      lastTag = pos && stack[pos - 1].tag;\n    } else if (lowerCasedTagName === 'br') {\n      if (options.start) {\n        options.start(tagName, [], true, start, end);\n      }\n    } else if (lowerCasedTagName === 'p') {\n      if (options.start) {\n        options.start(tagName, [], false, start, end);\n      }\n      if (options.end) {\n        options.end(tagName, start, end);\n      }\n    }\n  }\n}\n\n/*  */\n\nvar onRE = /^@|^v-on:/;\nvar dirRE = /^v-|^@|^:/;\nvar forAliasRE = /([\\s\\S]*?)\\s+(?:in|of)\\s+([\\s\\S]*)/;\nvar forIteratorRE = /,([^,\\}\\]]*)(?:,([^,\\}\\]]*))?$/;\nvar stripParensRE = /^\$|\$$/g;\nvar dynamicArgRE = /^\\[.*\\]$/;\n\nvar argRE = /:(.*)$/;\nvar bindRE = /^:|^\\.|^v-bind:/;\nvar modifierRE = /\\.[^.\\]]+(?=[^\\]]*$)/g;\n\nvar slotRE = /^v-slot(:|$)|^#/;\n\nvar lineBreakRE = /[\\r\\n]/;\nvar whitespaceRE$1 = /\\s+/g;\n\nvar invalidAttributeRE = /[\\s\"'<>\\/=]/;\n\nvar decodeHTMLCached = cached(he.decode);\n\nvar emptySlotScopeToken = \"_empty_\";\n\n// configurable state\nvar warn$2;\nvar delimiters;\nvar transforms;\nvar preTransforms;\nvar postTransforms;\nvar platformIsPreTag;\nvar platformMustUseProp;\nvar platformGetTagNamespace;\nvar maybeComponent;\n\nfunction createASTElement (\n  tag,\n  attrs,\n  parent\n) {\n  return {\n    type: 1,\n    tag: tag,\n    attrsList: attrs,\n    attrsMap: makeAttrsMap(attrs),\n    rawAttrsMap: {},\n    parent: parent,\n    children: []\n  }\n}\n\n/**\n * Convert HTML string to AST.\n */\nfunction parse (\n  template,\n  options\n) {\n  warn$2 = options.warn || baseWarn;\n\n  platformIsPreTag = options.isPreTag || no;\n  platformMustUseProp = options.mustUseProp || no;\n  platformGetTagNamespace = options.getTagNamespace || no;\n  var isReservedTag = options.isReservedTag || no;\n  maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };\n\n  transforms = pluckModuleFunction(options.modules, 'transformNode');\n  preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');\n  postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');\n\n  delimiters = options.delimiters;\n\n  var stack = [];\n  var preserveWhitespace = options.preserveWhitespace !== false;\n  var whitespaceOption = options.whitespace;\n  var root;\n  var currentParent;\n  var inVPre = false;\n  var inPre = false;\n  var warned = false;\n\n  function warnOnce (msg, range) {\n    if (!warned) {\n      warned = true;\n      warn$2(msg, range);\n    }\n  }\n\n  function closeElement (element) {\n    trimEndingWhitespace(element);\n    if (!inVPre && !element.processed) {\n      element = processElement(element, options);\n    }\n    // tree management\n    if (!stack.length && element !== root) {\n      // allow root elements with v-if, v-else-if and v-else\n      if (root.if && (element.elseif || element.else)) {\n        if (true) {\n          checkRootConstraints(element);\n        }\n        addIfCondition(root, {\n          exp: element.elseif,\n          block: element\n        });\n      } else if (true) {\n        warnOnce(\n          \"Component template should contain exactly one root element. \" +\n          \"If you are using v-if on multiple elements, \" +\n          \"use v-else-if to chain them instead.\",\n          { start: element.start }\n        );\n      }\n    }\n    if (currentParent && !element.forbidden) {\n      if (element.elseif || element.else) {\n        processIfConditions(element, currentParent);\n      } else {\n        if (element.slotScope) {\n          // scoped slot\n          // keep it in the children list so that v-else(-if) conditions can\n          // find it as the prev node.\n          var name = element.slotTarget || '\"default\"'\n          ;(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;\n        }\n        currentParent.children.push(element);\n        element.parent = currentParent;\n      }\n    }\n\n    // final children cleanup\n    // filter out scoped slots\n    element.children = element.children.filter(function (c) { return !(c).slotScope; });\n    // remove trailing whitespace node again\n    trimEndingWhitespace(element);\n\n    // check pre state\n    if (element.pre) {\n      inVPre = false;\n    }\n    if (platformIsPreTag(element.tag)) {\n      inPre = false;\n    }\n    // apply post-transforms\n    for (var i = 0; i < postTransforms.length; i++) {\n      postTransforms[i](element, options);\n    }\n  }\n\n  function trimEndingWhitespace (el) {\n    // remove trailing whitespace node\n    if (!inPre) {\n      var lastNode;\n      while (\n        (lastNode = el.children[el.children.length - 1]) &&\n        lastNode.type === 3 &&\n        lastNode.text === ' '\n      ) {\n        el.children.pop();\n      }\n    }\n  }\n\n  function checkRootConstraints (el) {\n    if (el.tag === 'slot' || el.tag === 'template') {\n      warnOnce(\n        \"Cannot use <\" + (el.tag) + \"> as component root element because it may \" +\n        'contain multiple nodes.',\n        { start: el.start }\n      );\n    }\n    if (el.attrsMap.hasOwnProperty('v-for')) {\n      warnOnce(\n        'Cannot use v-for on stateful component root element because ' +\n        'it renders multiple elements.',\n        el.rawAttrsMap['v-for']\n      );\n    }\n  }\n\n  parseHTML(template, {\n    warn: warn$2,\n    expectHTML: options.expectHTML,\n    isUnaryTag: options.isUnaryTag,\n    canBeLeftOpenTag: options.canBeLeftOpenTag,\n    shouldDecodeNewlines: options.shouldDecodeNewlines,\n    shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,\n    shouldKeepComment: options.comments,\n    outputSourceRange: options.outputSourceRange,\n    start: function start (tag, attrs, unary, start$1, end) {\n      // check namespace.\n      // inherit parent ns if there is one\n      var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);\n\n      // handle IE svg bug\n      /* istanbul ignore if */\n      if (isIE && ns === 'svg') {\n        attrs = guardIESVGBug(attrs);\n      }\n\n      var element = createASTElement(tag, attrs, currentParent);\n      if (ns) {\n        element.ns = ns;\n      }\n\n      if (true) {\n        if (options.outputSourceRange) {\n          element.start = start$1;\n          element.end = end;\n          element.rawAttrsMap = element.attrsList.reduce(function (cumulated, attr) {\n            cumulated[attr.name] = attr;\n            return cumulated\n          }, {});\n        }\n        attrs.forEach(function (attr) {\n          if (invalidAttributeRE.test(attr.name)) {\n            warn$2(\n              \"Invalid dynamic argument expression: attribute names cannot contain \" +\n              \"spaces, quotes, <, >, / or =.\",\n              {\n                start: attr.start + attr.name.indexOf(\"[\"),\n                end: attr.start + attr.name.length\n              }\n            );\n          }\n        });\n      }\n\n      if (isForbiddenTag(element) && !isServerRendering()) {\n        element.forbidden = true;\n         true && warn$2(\n          'Templates should only be responsible for mapping the state to the ' +\n          'UI. Avoid placing tags with side-effects in your templates, such as ' +\n          \"<\" + tag + \">\" + ', as they will not be parsed.',\n          { start: element.start }\n        );\n      }\n\n      // apply pre-transforms\n      for (var i = 0; i < preTransforms.length; i++) {\n        element = preTransforms[i](element, options) || element;\n      }\n\n      if (!inVPre) {\n        processPre(element);\n        if (element.pre) {\n          inVPre = true;\n        }\n      }\n      if (platformIsPreTag(element.tag)) {\n        inPre = true;\n      }\n      if (inVPre) {\n        processRawAttrs(element);\n      } else if (!element.processed) {\n        // structural directives\n        processFor(element);\n        processIf(element);\n        processOnce(element);\n      }\n\n      if (!root) {\n        root = element;\n        if (true) {\n          checkRootConstraints(root);\n        }\n      }\n\n      if (!unary) {\n        currentParent = element;\n        stack.push(element);\n      } else {\n        closeElement(element);\n      }\n    },\n\n    end: function end (tag, start, end$1) {\n      var element = stack[stack.length - 1];\n      // pop stack\n      stack.length -= 1;\n      currentParent = stack[stack.length - 1];\n      if ( true && options.outputSourceRange) {\n        element.end = end$1;\n      }\n      closeElement(element);\n    },\n\n    chars: function chars (text, start, end) {\n      if (!currentParent) {\n        if (true) {\n          if (text === template) {\n            warnOnce(\n              'Component template requires a root element, rather than just text.',\n              { start: start }\n            );\n          } else if ((text = text.trim())) {\n            warnOnce(\n              (\"text \\\"\" + text + \"\\\" outside root element will be ignored.\"),\n              { start: start }\n            );\n          }\n        }\n        return\n      }\n      // IE textarea placeholder bug\n      /* istanbul ignore if */\n      if (isIE &&\n        currentParent.tag === 'textarea' &&\n        currentParent.attrsMap.placeholder === text\n      ) {\n        return\n      }\n      var children = currentParent.children;\n      if (inPre || text.trim()) {\n        text = isTextTag(currentParent) ? text : decodeHTMLCached(text);\n      } else if (!children.length) {\n        // remove the whitespace-only node right after an opening tag\n        text = '';\n      } else if (whitespaceOption) {\n        if (whitespaceOption === 'condense') {\n          // in condense mode, remove the whitespace node if it contains\n          // line break, otherwise condense to a single space\n          text = lineBreakRE.test(text) ? '' : ' ';\n        } else {\n          text = ' ';\n        }\n      } else {\n        text = preserveWhitespace ? ' ' : '';\n      }\n      if (text) {\n        if (!inPre && whitespaceOption === 'condense') {\n          // condense consecutive whitespaces into single space\n          text = text.replace(whitespaceRE$1, ' ');\n        }\n        var res;\n        var child;\n        if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {\n          child = {\n            type: 2,\n            expression: res.expression,\n            tokens: res.tokens,\n            text: text\n          };\n        } else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {\n          child = {\n            type: 3,\n            text: text\n          };\n        }\n        if (child) {\n          if ( true && options.outputSourceRange) {\n            child.start = start;\n            child.end = end;\n          }\n          children.push(child);\n        }\n      }\n    },\n    comment: function comment (text, start, end) {\n      // adding anyting as a sibling to the root node is forbidden\n      // comments should still be allowed, but ignored\n      if (currentParent) {\n        var child = {\n          type: 3,\n          text: text,\n          isComment: true\n        };\n        if ( true && options.outputSourceRange) {\n          child.start = start;\n          child.end = end;\n        }\n        currentParent.children.push(child);\n      }\n    }\n  });\n  return root\n}\n\nfunction processPre (el) {\n  if (getAndRemoveAttr(el, 'v-pre') != null) {\n    el.pre = true;\n  }\n}\n\nfunction processRawAttrs (el) {\n  var list = el.attrsList;\n  var len = list.length;\n  if (len) {\n    var attrs = el.attrs = new Array(len);\n    for (var i = 0; i < len; i++) {\n      attrs[i] = {\n        name: list[i].name,\n        value: JSON.stringify(list[i].value)\n      };\n      if (list[i].start != null) {\n        attrs[i].start = list[i].start;\n        attrs[i].end = list[i].end;\n      }\n    }\n  } else if (!el.pre) {\n    // non root node in pre blocks with no attributes\n    el.plain = true;\n  }\n}\n\nfunction processElement (\n  element,\n  options\n) {\n  processKey(element);\n\n  // determine whether this is a plain element after\n  // removing structural attributes\n  element.plain = (\n    !element.key &&\n    !element.scopedSlots &&\n    !element.attrsList.length\n  );\n\n  processRef(element);\n  processSlotContent(element);\n  processSlotOutlet(element);\n  processComponent(element);\n  for (var i = 0; i < transforms.length; i++) {\n    element = transforms[i](element, options) || element;\n  }\n  processAttrs(element);\n  return element\n}\n\nfunction processKey (el) {\n  var exp = getBindingAttr(el, 'key');\n  if (exp) {\n    if (true) {\n      if (el.tag === 'template') {\n        warn$2(\n          \"<template> cannot be keyed. Place the key on real elements instead.\",\n          getRawBindingAttr(el, 'key')\n        );\n      }\n      if (el.for) {\n        var iterator = el.iterator2 || el.iterator1;\n        var parent = el.parent;\n        if (iterator && iterator === exp && parent && parent.tag === 'transition-group') {\n          warn$2(\n            \"Do not use v-for index as key on <transition-group> children, \" +\n            \"this is the same as not using keys.\",\n            getRawBindingAttr(el, 'key'),\n            true /* tip */\n          );\n        }\n      }\n    }\n    el.key = exp;\n  }\n}\n\nfunction processRef (el) {\n  var ref = getBindingAttr(el, 'ref');\n  if (ref) {\n    el.ref = ref;\n    el.refInFor = checkInFor(el);\n  }\n}\n\nfunction processFor (el) {\n  var exp;\n  if ((exp = getAndRemoveAttr(el, 'v-for'))) {\n    var res = parseFor(exp);\n    if (res) {\n      extend(el, res);\n    } else if (true) {\n      warn$2(\n        (\"Invalid v-for expression: \" + exp),\n        el.rawAttrsMap['v-for']\n      );\n    }\n  }\n}\n\n\n\nfunction parseFor (exp) {\n  var inMatch = exp.match(forAliasRE);\n  if (!inMatch) { return }\n  var res = {};\n  res.for = inMatch[2].trim();\n  var alias = inMatch[1].trim().replace(stripParensRE, '');\n  var iteratorMatch = alias.match(forIteratorRE);\n  if (iteratorMatch) {\n    res.alias = alias.replace(forIteratorRE, '').trim();\n    res.iterator1 = iteratorMatch[1].trim();\n    if (iteratorMatch[2]) {\n      res.iterator2 = iteratorMatch[2].trim();\n    }\n  } else {\n    res.alias = alias;\n  }\n  return res\n}\n\nfunction processIf (el) {\n  var exp = getAndRemoveAttr(el, 'v-if');\n  if (exp) {\n    el.if = exp;\n    addIfCondition(el, {\n      exp: exp,\n      block: el\n    });\n  } else {\n    if (getAndRemoveAttr(el, 'v-else') != null) {\n      el.else = true;\n    }\n    var elseif = getAndRemoveAttr(el, 'v-else-if');\n    if (elseif) {\n      el.elseif = elseif;\n    }\n  }\n}\n\nfunction processIfConditions (el, parent) {\n  var prev = findPrevElement(parent.children);\n  if (prev && prev.if) {\n    addIfCondition(prev, {\n      exp: el.elseif,\n      block: el\n    });\n  } else if (true) {\n    warn$2(\n      \"v-\" + (el.elseif ? ('else-if=\"' + el.elseif + '\"') : 'else') + \" \" +\n      \"used on element <\" + (el.tag) + \"> without corresponding v-if.\",\n      el.rawAttrsMap[el.elseif ? 'v-else-if' : 'v-else']\n    );\n  }\n}\n\nfunction findPrevElement (children) {\n  var i = children.length;\n  while (i--) {\n    if (children[i].type === 1) {\n      return children[i]\n    } else {\n      if ( true && children[i].text !== ' ') {\n        warn$2(\n          \"text \\\"\" + (children[i].text.trim()) + \"\\\" between v-if and v-else(-if) \" +\n          \"will be ignored.\",\n          children[i]\n        );\n      }\n      children.pop();\n    }\n  }\n}\n\nfunction addIfCondition (el, condition) {\n  if (!el.ifConditions) {\n    el.ifConditions = [];\n  }\n  el.ifConditions.push(condition);\n}\n\nfunction processOnce (el) {\n  var once$$1 = getAndRemoveAttr(el, 'v-once');\n  if (once$$1 != null) {\n    el.once = true;\n  }\n}\n\n// handle content being passed to a component as slot,\n// e.g. <template slot=\"xxx\">, <div slot-scope=\"xxx\">\nfunction processSlotContent (el) {\n  var slotScope;\n  if (el.tag === 'template') {\n    slotScope = getAndRemoveAttr(el, 'scope');\n    /* istanbul ignore if */\n    if ( true && slotScope) {\n      warn$2(\n        \"the \\\"scope\\\" attribute for scoped slots have been deprecated and \" +\n        \"replaced by \\\"slot-scope\\\" since 2.5. The new \\\"slot-scope\\\" attribute \" +\n        \"can also be used on plain elements in addition to <template> to \" +\n        \"denote scoped slots.\",\n        el.rawAttrsMap['scope'],\n        true\n      );\n    }\n    el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope');\n  } else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) {\n    /* istanbul ignore if */\n    if ( true && el.attrsMap['v-for']) {\n      warn$2(\n        \"Ambiguous combined usage of slot-scope and v-for on <\" + (el.tag) + \"> \" +\n        \"(v-for takes higher priority). Use a wrapper <template> for the \" +\n        \"scoped slot to make it clearer.\",\n        el.rawAttrsMap['slot-scope'],\n        true\n      );\n    }\n    el.slotScope = slotScope;\n  }\n\n  // slot=\"xxx\"\n  var slotTarget = getBindingAttr(el, 'slot');\n  if (slotTarget) {\n    el.slotTarget = slotTarget === '\"\"' ? '\"default\"' : slotTarget;\n    el.slotTargetDynamic = !!(el.attrsMap[':slot'] || el.attrsMap['v-bind:slot']);\n    // preserve slot as an attribute for native shadow DOM compat\n    // only for non-scoped slots.\n    if (el.tag !== 'template' && !el.slotScope) {\n      addAttr(el, 'slot', slotTarget, getRawBindingAttr(el, 'slot'));\n    }\n  }\n\n  // 2.6 v-slot syntax\n  {\n    if (el.tag === 'template') {\n      // v-slot on <template>\n      var slotBinding = getAndRemoveAttrByRegex(el, slotRE);\n      if (slotBinding) {\n        if (true) {\n          if (el.slotTarget || el.slotScope) {\n            warn$2(\n              \"Unexpected mixed usage of different slot syntaxes.\",\n              el\n            );\n          }\n          if (el.parent && !maybeComponent(el.parent)) {\n            warn$2(\n              \"<template v-slot> can only appear at the root level inside \" +\n              \"the receiving the component\",\n              el\n            );\n          }\n        }\n        var ref = getSlotName(slotBinding);\n        var name = ref.name;\n        var dynamic = ref.dynamic;\n        el.slotTarget = name;\n        el.slotTargetDynamic = dynamic;\n        el.slotScope = slotBinding.value || emptySlotScopeToken; // force it into a scoped slot for perf\n      }\n    } else {\n      // v-slot on component, denotes default slot\n      var slotBinding$1 = getAndRemoveAttrByRegex(el, slotRE);\n      if (slotBinding$1) {\n        if (true) {\n          if (!maybeComponent(el)) {\n            warn$2(\n              \"v-slot can only be used on components or <template>.\",\n              slotBinding$1\n            );\n          }\n          if (el.slotScope || el.slotTarget) {\n            warn$2(\n              \"Unexpected mixed usage of different slot syntaxes.\",\n              el\n            );\n          }\n          if (el.scopedSlots) {\n            warn$2(\n              \"To avoid scope ambiguity, the default slot should also use \" +\n              \"<template> syntax when there are other named slots.\",\n              slotBinding$1\n            );\n          }\n        }\n        // add the component's children to its default slot\n        var slots = el.scopedSlots || (el.scopedSlots = {});\n        var ref$1 = getSlotName(slotBinding$1);\n        var name$1 = ref$1.name;\n        var dynamic$1 = ref$1.dynamic;\n        var slotContainer = slots[name$1] = createASTElement('template', [], el);\n        slotContainer.slotTarget = name$1;\n        slotContainer.slotTargetDynamic = dynamic$1;\n        slotContainer.children = el.children.filter(function (c) {\n          if (!c.slotScope) {\n            c.parent = slotContainer;\n            return true\n          }\n        });\n        slotContainer.slotScope = slotBinding$1.value || emptySlotScopeToken;\n        // remove children as they are returned from scopedSlots now\n        el.children = [];\n        // mark el non-plain so data gets generated\n        el.plain = false;\n      }\n    }\n  }\n}\n\nfunction getSlotName (binding) {\n  var name = binding.name.replace(slotRE, '');\n  if (!name) {\n    if (binding.name[0] !== '#') {\n      name = 'default';\n    } else if (true) {\n      warn$2(\n        \"v-slot shorthand syntax requires a slot name.\",\n        binding\n      );\n    }\n  }\n  return dynamicArgRE.test(name)\n    // dynamic [name]\n    ? { name: name.slice(1, -1), dynamic: true }\n    // static name\n    : { name: (\"\\\"\" + name + \"\\\"\"), dynamic: false }\n}\n\n// handle <slot/> outlets\nfunction processSlotOutlet (el) {\n  if (el.tag === 'slot') {\n    el.slotName = getBindingAttr(el, 'name');\n    if ( true && el.key) {\n      warn$2(\n        \"`key` does not work on <slot> because slots are abstract outlets \" +\n        \"and can possibly expand into multiple elements. \" +\n        \"Use the key on a wrapping element instead.\",\n        getRawBindingAttr(el, 'key')\n      );\n    }\n  }\n}\n\nfunction processComponent (el) {\n  var binding;\n  if ((binding = getBindingAttr(el, 'is'))) {\n    el.component = binding;\n  }\n  if (getAndRemoveAttr(el, 'inline-template') != null) {\n    el.inlineTemplate = true;\n  }\n}\n\nfunction processAttrs (el) {\n  var list = el.attrsList;\n  var i, l, name, rawName, value, modifiers, syncGen, isDynamic;\n  for (i = 0, l = list.length; i < l; i++) {\n    name = rawName = list[i].name;\n    value = list[i].value;\n    if (dirRE.test(name)) {\n      // mark element as dynamic\n      el.hasBindings = true;\n      // modifiers\n      modifiers = parseModifiers(name.replace(dirRE, ''));\n      // support .foo shorthand syntax for the .prop modifier\n      if (modifiers) {\n        name = name.replace(modifierRE, '');\n      }\n      if (bindRE.test(name)) { // v-bind\n        name = name.replace(bindRE, '');\n        value = parseFilters(value);\n        isDynamic = dynamicArgRE.test(name);\n        if (isDynamic) {\n          name = name.slice(1, -1);\n        }\n        if (\n           true &&\n          value.trim().length === 0\n        ) {\n          warn$2(\n            (\"The value for a v-bind expression cannot be empty. Found in \\\"v-bind:\" + name + \"\\\"\")\n          );\n        }\n        if (modifiers) {\n          if (modifiers.prop && !isDynamic) {\n            name = camelize(name);\n            if (name === 'innerHtml') { name = 'innerHTML'; }\n          }\n          if (modifiers.camel && !isDynamic) {\n            name = camelize(name);\n          }\n          if (modifiers.sync) {\n            syncGen = genAssignmentCode(value, \"$event\");\n            if (!isDynamic) {\n              addHandler(\n                el,\n                (\"update:\" + (camelize(name))),\n                syncGen,\n                null,\n                false,\n                warn$2,\n                list[i]\n              );\n              if (hyphenate(name) !== camelize(name)) {\n                addHandler(\n                  el,\n                  (\"update:\" + (hyphenate(name))),\n                  syncGen,\n                  null,\n                  false,\n                  warn$2,\n                  list[i]\n                );\n              }\n            } else {\n              // handler w/ dynamic event name\n              addHandler(\n                el,\n                (\"\\\"update:\\\"+(\" + name + \")\"),\n                syncGen,\n                null,\n                false,\n                warn$2,\n                list[i],\n                true // dynamic\n              );\n            }\n          }\n        }\n        if ((modifiers && modifiers.prop) || (\n          !el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)\n        )) {\n          addProp(el, name, value, list[i], isDynamic);\n        } else {\n          addAttr(el, name, value, list[i], isDynamic);\n        }\n      } else if (onRE.test(name)) { // v-on\n        name = name.replace(onRE, '');\n        isDynamic = dynamicArgRE.test(name);\n        if (isDynamic) {\n          name = name.slice(1, -1);\n        }\n        addHandler(el, name, value, modifiers, false, warn$2, list[i], isDynamic);\n      } else { // normal directives\n        name = name.replace(dirRE, '');\n        // parse arg\n        var argMatch = name.match(argRE);\n        var arg = argMatch && argMatch[1];\n        isDynamic = false;\n        if (arg) {\n          name = name.slice(0, -(arg.length + 1));\n          if (dynamicArgRE.test(arg)) {\n            arg = arg.slice(1, -1);\n            isDynamic = true;\n          }\n        }\n        addDirective(el, name, rawName, value, arg, isDynamic, modifiers, list[i]);\n        if ( true && name === 'model') {\n          checkForAliasModel(el, value);\n        }\n      }\n    } else {\n      // literal attribute\n      if (true) {\n        var res = parseText(value, delimiters);\n        if (res) {\n          warn$2(\n            name + \"=\\\"\" + value + \"\\\": \" +\n            'Interpolation inside attributes has been removed. ' +\n            'Use v-bind or the colon shorthand instead. For example, ' +\n            'instead of <div id=\"{{ val }}\">, use <div :id=\"val\">.',\n            list[i]\n          );\n        }\n      }\n      addAttr(el, name, JSON.stringify(value), list[i]);\n      // #6887 firefox doesn't update muted state if set via attribute\n      // even immediately after element creation\n      if (!el.component &&\n          name === 'muted' &&\n          platformMustUseProp(el.tag, el.attrsMap.type, name)) {\n        addProp(el, name, 'true', list[i]);\n      }\n    }\n  }\n}\n\nfunction checkInFor (el) {\n  var parent = el;\n  while (parent) {\n    if (parent.for !== undefined) {\n      return true\n    }\n    parent = parent.parent;\n  }\n  return false\n}\n\nfunction parseModifiers (name) {\n  var match = name.match(modifierRE);\n  if (match) {\n    var ret = {};\n    match.forEach(function (m) { ret[m.slice(1)] = true; });\n    return ret\n  }\n}\n\nfunction makeAttrsMap (attrs) {\n  var map = {};\n  for (var i = 0, l = attrs.length; i < l; i++) {\n    if (\n       true &&\n      map[attrs[i].name] && !isIE && !isEdge\n    ) {\n      warn$2('duplicate attribute: ' + attrs[i].name, attrs[i]);\n    }\n    map[attrs[i].name] = attrs[i].value;\n  }\n  return map\n}\n\n// for script (e.g. type=\"x/template\") or style, do not decode content\nfunction isTextTag (el) {\n  return el.tag === 'script' || el.tag === 'style'\n}\n\nfunction isForbiddenTag (el) {\n  return (\n    el.tag === 'style' ||\n    (el.tag === 'script' && (\n      !el.attrsMap.type ||\n      el.attrsMap.type === 'text/javascript'\n    ))\n  )\n}\n\nvar ieNSBug = /^xmlns:NS\\d+/;\nvar ieNSPrefix = /^NS\\d+:/;\n\n/* istanbul ignore next */\nfunction guardIESVGBug (attrs) {\n  var res = [];\n  for (var i = 0; i < attrs.length; i++) {\n    var attr = attrs[i];\n    if (!ieNSBug.test(attr.name)) {\n      attr.name = attr.name.replace(ieNSPrefix, '');\n      res.push(attr);\n    }\n  }\n  return res\n}\n\nfunction checkForAliasModel (el, value) {\n  var _el = el;\n  while (_el) {\n    if (_el.for && _el.alias === value) {\n      warn$2(\n        \"<\" + (el.tag) + \" v-model=\\\"\" + value + \"\\\">: \" +\n        \"You are binding v-model directly to a v-for iteration alias. \" +\n        \"This will not be able to modify the v-for source array because \" +\n        \"writing to the alias is like modifying a function local variable. \" +\n        \"Consider using an array of objects and use v-model on an object property instead.\",\n        el.rawAttrsMap['v-model']\n      );\n    }\n    _el = _el.parent;\n  }\n}\n\n/*  */\n\nfunction preTransformNode (el, options) {\n  if (el.tag === 'input') {\n    var map = el.attrsMap;\n    if (!map['v-model']) {\n      return\n    }\n\n    var typeBinding;\n    if (map[':type'] || map['v-bind:type']) {\n      typeBinding = getBindingAttr(el, 'type');\n    }\n    if (!map.type && !typeBinding && map['v-bind']) {\n      typeBinding = \"(\" + (map['v-bind']) + \").type\";\n    }\n\n    if (typeBinding) {\n      var ifCondition = getAndRemoveAttr(el, 'v-if', true);\n      var ifConditionExtra = ifCondition ? (\"&&(\" + ifCondition + \")\") : \"\";\n      var hasElse = getAndRemoveAttr(el, 'v-else', true) != null;\n      var elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true);\n      // 1. checkbox\n      var branch0 = cloneASTElement(el);\n      // process for on the main node\n      processFor(branch0);\n      addRawAttr(branch0, 'type', 'checkbox');\n      processElement(branch0, options);\n      branch0.processed = true; // prevent it from double-processed\n      branch0.if = \"(\" + typeBinding + \")==='checkbox'\" + ifConditionExtra;\n      addIfCondition(branch0, {\n        exp: branch0.if,\n        block: branch0\n      });\n      // 2. add radio else-if condition\n      var branch1 = cloneASTElement(el);\n      getAndRemoveAttr(branch1, 'v-for', true);\n      addRawAttr(branch1, 'type', 'radio');\n      processElement(branch1, options);\n      addIfCondition(branch0, {\n        exp: \"(\" + typeBinding + \")==='radio'\" + ifConditionExtra,\n        block: branch1\n      });\n      // 3. other\n      var branch2 = cloneASTElement(el);\n      getAndRemoveAttr(branch2, 'v-for', true);\n      addRawAttr(branch2, ':type', typeBinding);\n      processElement(branch2, options);\n      addIfCondition(branch0, {\n        exp: ifCondition,\n        block: branch2\n      });\n\n      if (hasElse) {\n        branch0.else = true;\n      } else if (elseIfCondition) {\n        branch0.elseif = elseIfCondition;\n      }\n\n      return branch0\n    }\n  }\n}\n\nfunction cloneASTElement (el) {\n  return createASTElement(el.tag, el.attrsList.slice(), el.parent)\n}\n\nvar model$1 = {\n  preTransformNode: preTransformNode\n};\n\nvar modules$1 = [\n  klass$1,\n  style$1,\n  model$1\n];\n\n/*  */\n\nfunction text (el, dir) {\n  if (dir.value) {\n    addProp(el, 'textContent', (\"_s(\" + (dir.value) + \")\"), dir);\n  }\n}\n\n/*  */\n\nfunction html (el, dir) {\n  if (dir.value) {\n    addProp(el, 'innerHTML', (\"_s(\" + (dir.value) + \")\"), dir);\n  }\n}\n\nvar directives$1 = {\n  model: model,\n  text: text,\n  html: html\n};\n\n/*  */\n\nvar baseOptions = {\n  expectHTML: true,\n  modules: modules$1,\n  directives: directives$1,\n  isPreTag: isPreTag,\n  isUnaryTag: isUnaryTag,\n  mustUseProp: mustUseProp,\n  canBeLeftOpenTag: canBeLeftOpenTag,\n  isReservedTag: isReservedTag,\n  getTagNamespace: getTagNamespace,\n  staticKeys: genStaticKeys(modules$1)\n};\n\n/*  */\n\nvar isStaticKey;\nvar isPlatformReservedTag;\n\nvar genStaticKeysCached = cached(genStaticKeys$1);\n\n/**\n * Goal of the optimizer: walk the generated template AST tree\n * and detect sub-trees that are purely static, i.e. parts of\n * the DOM that never needs to change.\n *\n * Once we detect these sub-trees, we can:\n *\n * 1. Hoist them into constants, so that we no longer need to\n *    create fresh nodes for them on each re-render;\n * 2. Completely skip them in the patching process.\n */\nfunction optimize (root, options) {\n  if (!root) { return }\n  isStaticKey = genStaticKeysCached(options.staticKeys || '');\n  isPlatformReservedTag = options.isReservedTag || no;\n  // first pass: mark all non-static nodes.\n  markStatic$1(root);\n  // second pass: mark static roots.\n  markStaticRoots(root, false);\n}\n\nfunction genStaticKeys$1 (keys) {\n  return makeMap(\n    'type,tag,attrsList,attrsMap,plain,parent,children,attrs,start,end,rawAttrsMap' +\n    (keys ? ',' + keys : '')\n  )\n}\n\nfunction markStatic$1 (node) {\n  node.static = isStatic(node);\n  if (node.type === 1) {\n    // do not make component slot content static. this avoids\n    // 1. components not able to mutate slot nodes\n    // 2. static slot content fails for hot-reloading\n    if (\n      !isPlatformReservedTag(node.tag) &&\n      node.tag !== 'slot' &&\n      node.attrsMap['inline-template'] == null\n    ) {\n      return\n    }\n    for (var i = 0, l = node.children.length; i < l; i++) {\n      var child = node.children[i];\n      markStatic$1(child);\n      if (!child.static) {\n        node.static = false;\n      }\n    }\n    if (node.ifConditions) {\n      for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {\n        var block = node.ifConditions[i$1].block;\n        markStatic$1(block);\n        if (!block.static) {\n          node.static = false;\n        }\n      }\n    }\n  }\n}\n\nfunction markStaticRoots (node, isInFor) {\n  if (node.type === 1) {\n    if (node.static || node.once) {\n      node.staticInFor = isInFor;\n    }\n    // For a node to qualify as a static root, it should have children that\n    // are not just static text. Otherwise the cost of hoisting out will\n    // outweigh the benefits and it's better off to just always render it fresh.\n    if (node.static && node.children.length && !(\n      node.children.length === 1 &&\n      node.children[0].type === 3\n    )) {\n      node.staticRoot = true;\n      return\n    } else {\n      node.staticRoot = false;\n    }\n    if (node.children) {\n      for (var i = 0, l = node.children.length; i < l; i++) {\n        markStaticRoots(node.children[i], isInFor || !!node.for);\n      }\n    }\n    if (node.ifConditions) {\n      for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {\n        markStaticRoots(node.ifConditions[i$1].block, isInFor);\n      }\n    }\n  }\n}\n\nfunction isStatic (node) {\n  if (node.type === 2) { // expression\n    return false\n  }\n  if (node.type === 3) { // text\n    return true\n  }\n  return !!(node.pre || (\n    !node.hasBindings && // no dynamic bindings\n    !node.if && !node.for && // not v-if or v-for or v-else\n    !isBuiltInTag(node.tag) && // not a built-in\n    isPlatformReservedTag(node.tag) && // not a component\n    !isDirectChildOfTemplateFor(node) &&\n    Object.keys(node).every(isStaticKey)\n  ))\n}\n\nfunction isDirectChildOfTemplateFor (node) {\n  while (node.parent) {\n    node = node.parent;\n    if (node.tag !== 'template') {\n      return false\n    }\n    if (node.for) {\n      return true\n    }\n  }\n  return false\n}\n\n/*  */\n\nvar fnExpRE = /^([\\w$_]+|\$[^)]*?\$)\\s*=>|^function\\s*(?:[\\w$]+)?\\s*\$/;\nvar fnInvokeRE = /\\([^)]*?\$;*$/;\nvar simplePathRE = /^[A-Za-z_$][\\w$]*(?:\\.[A-Za-z_$][\\w$]*|\\['[^']*?']|\\[\"[^\"]*?\"]|\\[\\d+]|\\[[A-Za-z_$][\\w$]*])*$/;\n\n// KeyboardEvent.keyCode aliases\nvar keyCodes = {\n  esc: 27,\n  tab: 9,\n  enter: 13,\n  space: 32,\n  up: 38,\n  left: 37,\n  right: 39,\n  down: 40,\n  'delete': [8, 46]\n};\n\n// KeyboardEvent.key aliases\nvar keyNames = {\n  // #7880: IE11 and Edge use `Esc` for Escape key name.\n  esc: ['Esc', 'Escape'],\n  tab: 'Tab',\n  enter: 'Enter',\n  // #9112: IE11 uses `Spacebar` for Space key name.\n  space: [' ', 'Spacebar'],\n  // #7806: IE11 uses key names without `Arrow` prefix for arrow keys.\n  up: ['Up', 'ArrowUp'],\n  left: ['Left', 'ArrowLeft'],\n  right: ['Right', 'ArrowRight'],\n  down: ['Down', 'ArrowDown'],\n  // #9112: IE11 uses `Del` for Delete key name.\n  'delete': ['Backspace', 'Delete', 'Del']\n};\n\n// #4868: modifiers that prevent the execution of the listener\n// need to explicitly return null so that we can determine whether to remove\n// the listener for .once\nvar genGuard = function (condition) { return (\"if(\" + condition + \")return null;\"); };\n\nvar modifierCode = {\n  stop: '$event.stopPropagation();',\n  prevent: '$event.preventDefault();',\n  self: genGuard(\"$event.target !== $event.currentTarget\"),\n  ctrl: genGuard(\"!$event.ctrlKey\"),\n  shift: genGuard(\"!$event.shiftKey\"),\n  alt: genGuard(\"!$event.altKey\"),\n  meta: genGuard(\"!$event.metaKey\"),\n  left: genGuard(\"'button' in $event && $event.button !== 0\"),\n  middle: genGuard(\"'button' in $event && $event.button !== 1\"),\n  right: genGuard(\"'button' in $event && $event.button !== 2\")\n};\n\nfunction genHandlers (\n  events,\n  isNative\n) {\n  var prefix = isNative ? 'nativeOn:' : 'on:';\n  var staticHandlers = \"\";\n  var dynamicHandlers = \"\";\n  for (var name in events) {\n    var handlerCode = genHandler(events[name]);\n    if (events[name] && events[name].dynamic) {\n      dynamicHandlers += name + \",\" + handlerCode + \",\";\n    } else {\n      staticHandlers += \"\\\"\" + name + \"\\\":\" + handlerCode + \",\";\n    }\n  }\n  staticHandlers = \"{\" + (staticHandlers.slice(0, -1)) + \"}\";\n  if (dynamicHandlers) {\n    return prefix + \"_d(\" + staticHandlers + \",[\" + (dynamicHandlers.slice(0, -1)) + \"])\"\n  } else {\n    return prefix + staticHandlers\n  }\n}\n\nfunction genHandler (handler) {\n  if (!handler) {\n    return 'function(){}'\n  }\n\n  if (Array.isArray(handler)) {\n    return (\"[\" + (handler.map(function (handler) { return genHandler(handler); }).join(',')) + \"]\")\n  }\n\n  var isMethodPath = simplePathRE.test(handler.value);\n  var isFunctionExpression = fnExpRE.test(handler.value);\n  var isFunctionInvocation = simplePathRE.test(handler.value.replace(fnInvokeRE, ''));\n\n  if (!handler.modifiers) {\n    if (isMethodPath || isFunctionExpression) {\n      return handler.value\n    }\n    return (\"function($event){\" + (isFunctionInvocation ? (\"return \" + (handler.value)) : handler.value) + \"}\") // inline statement\n  } else {\n    var code = '';\n    var genModifierCode = '';\n    var keys = [];\n    for (var key in handler.modifiers) {\n      if (modifierCode[key]) {\n        genModifierCode += modifierCode[key];\n        // left/right\n        if (keyCodes[key]) {\n          keys.push(key);\n        }\n      } else if (key === 'exact') {\n        var modifiers = (handler.modifiers);\n        genModifierCode += genGuard(\n          ['ctrl', 'shift', 'alt', 'meta']\n            .filter(function (keyModifier) { return !modifiers[keyModifier]; })\n            .map(function (keyModifier) { return (\"$event.\" + keyModifier + \"Key\"); })\n            .join('||')\n        );\n      } else {\n        keys.push(key);\n      }\n    }\n    if (keys.length) {\n      code += genKeyFilter(keys);\n    }\n    // Make sure modifiers like prevent and stop get executed after key filtering\n    if (genModifierCode) {\n      code += genModifierCode;\n    }\n    var handlerCode = isMethodPath\n      ? (\"return \" + (handler.value) + \"($event)\")\n      : isFunctionExpression\n        ? (\"return (\" + (handler.value) + \")($event)\")\n        : isFunctionInvocation\n          ? (\"return \" + (handler.value))\n          : handler.value;\n    return (\"function($event){\" + code + handlerCode + \"}\")\n  }\n}\n\nfunction genKeyFilter (keys) {\n  return (\n    // make sure the key filters only apply to KeyboardEvents\n    // #9441: can't use 'keyCode' in $event because Chrome autofill fires fake\n    // key events that do not have keyCode property...\n    \"if(!$event.type.indexOf('key')&&\" +\n    (keys.map(genFilterCode).join('&&')) + \")return null;\"\n  )\n}\n\nfunction genFilterCode (key) {\n  var keyVal = parseInt(key, 10);\n  if (keyVal) {\n    return (\"$event.keyCode!==\" + keyVal)\n  }\n  var keyCode = keyCodes[key];\n  var keyName = keyNames[key];\n  return (\n    \"_k($event.keyCode,\" +\n    (JSON.stringify(key)) + \",\" +\n    (JSON.stringify(keyCode)) + \",\" +\n    \"$event.key,\" +\n    \"\" + (JSON.stringify(keyName)) +\n    \")\"\n  )\n}\n\n/*  */\n\nfunction on (el, dir) {\n  if ( true && dir.modifiers) {\n    warn(\"v-on without argument does not support modifiers.\");\n  }\n  el.wrapListeners = function (code) { return (\"_g(\" + code + \",\" + (dir.value) + \")\"); };\n}\n\n/*  */\n\nfunction bind$1 (el, dir) {\n  el.wrapData = function (code) {\n    return (\"_b(\" + code + \",'\" + (el.tag) + \"',\" + (dir.value) + \",\" + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : '') + \")\")\n  };\n}\n\n/*  */\n\nvar baseDirectives = {\n  on: on,\n  bind: bind$1,\n  cloak: noop\n};\n\n/*  */\n\n\n\n\n\nvar CodegenState = function CodegenState (options) {\n  this.options = options;\n  this.warn = options.warn || baseWarn;\n  this.transforms = pluckModuleFunction(options.modules, 'transformCode');\n  this.dataGenFns = pluckModuleFunction(options.modules, 'genData');\n  this.directives = extend(extend({}, baseDirectives), options.directives);\n  var isReservedTag = options.isReservedTag || no;\n  this.maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };\n  this.onceId = 0;\n  this.staticRenderFns = [];\n  this.pre = false;\n};\n\n\n\nfunction generate (\n  ast,\n  options\n) {\n  var state = new CodegenState(options);\n  var code = ast ? genElement(ast, state) : '_c(\"div\")';\n  return {\n    render: (\"with(this){return \" + code + \"}\"),\n    staticRenderFns: state.staticRenderFns\n  }\n}\n\nfunction genElement (el, state) {\n  if (el.parent) {\n    el.pre = el.pre || el.parent.pre;\n  }\n\n  if (el.staticRoot && !el.staticProcessed) {\n    return genStatic(el, state)\n  } else if (el.once && !el.onceProcessed) {\n    return genOnce(el, state)\n  } else if (el.for && !el.forProcessed) {\n    return genFor(el, state)\n  } else if (el.if && !el.ifProcessed) {\n    return genIf(el, state)\n  } else if (el.tag === 'template' && !el.slotTarget && !state.pre) {\n    return genChildren(el, state) || 'void 0'\n  } else if (el.tag === 'slot') {\n    return genSlot(el, state)\n  } else {\n    // component or element\n    var code;\n    if (el.component) {\n      code = genComponent(el.component, el, state);\n    } else {\n      var data;\n      if (!el.plain || (el.pre && state.maybeComponent(el))) {\n        data = genData$2(el, state);\n      }\n\n      var children = el.inlineTemplate ? null : genChildren(el, state, true);\n      code = \"_c('\" + (el.tag) + \"'\" + (data ? (\",\" + data) : '') + (children ? (\",\" + children) : '') + \")\";\n    }\n    // module transforms\n    for (var i = 0; i < state.transforms.length; i++) {\n      code = state.transforms[i](el, code);\n    }\n    return code\n  }\n}\n\n// hoist static sub-trees out\nfunction genStatic (el, state) {\n  el.staticProcessed = true;\n  // Some elements (templates) need to behave differently inside of a v-pre\n  // node.  All pre nodes are static roots, so we can use this as a location to\n  // wrap a state change and reset it upon exiting the pre node.\n  var originalPreState = state.pre;\n  if (el.pre) {\n    state.pre = el.pre;\n  }\n  state.staticRenderFns.push((\"with(this){return \" + (genElement(el, state)) + \"}\"));\n  state.pre = originalPreState;\n  return (\"_m(\" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + \")\")\n}\n\n// v-once\nfunction genOnce (el, state) {\n  el.onceProcessed = true;\n  if (el.if && !el.ifProcessed) {\n    return genIf(el, state)\n  } else if (el.staticInFor) {\n    var key = '';\n    var parent = el.parent;\n    while (parent) {\n      if (parent.for) {\n        key = parent.key;\n        break\n      }\n      parent = parent.parent;\n    }\n    if (!key) {\n       true && state.warn(\n        \"v-once can only be used inside v-for that is keyed. \",\n        el.rawAttrsMap['v-once']\n      );\n      return genElement(el, state)\n    }\n    return (\"_o(\" + (genElement(el, state)) + \",\" + (state.onceId++) + \",\" + key + \")\")\n  } else {\n    return genStatic(el, state)\n  }\n}\n\nfunction genIf (\n  el,\n  state,\n  altGen,\n  altEmpty\n) {\n  el.ifProcessed = true; // avoid recursion\n  return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)\n}\n\nfunction genIfConditions (\n  conditions,\n  state,\n  altGen,\n  altEmpty\n) {\n  if (!conditions.length) {\n    return altEmpty || '_e()'\n  }\n\n  var condition = conditions.shift();\n  if (condition.exp) {\n    return (\"(\" + (condition.exp) + \")?\" + (genTernaryExp(condition.block)) + \":\" + (genIfConditions(conditions, state, altGen, altEmpty)))\n  } else {\n    return (\"\" + (genTernaryExp(condition.block)))\n  }\n\n  // v-if with v-once should generate code like (a)?_m(0):_m(1)\n  function genTernaryExp (el) {\n    return altGen\n      ? altGen(el, state)\n      : el.once\n        ? genOnce(el, state)\n        : genElement(el, state)\n  }\n}\n\nfunction genFor (\n  el,\n  state,\n  altGen,\n  altHelper\n) {\n  var exp = el.for;\n  var alias = el.alias;\n  var iterator1 = el.iterator1 ? (\",\" + (el.iterator1)) : '';\n  var iterator2 = el.iterator2 ? (\",\" + (el.iterator2)) : '';\n\n  if ( true &&\n    state.maybeComponent(el) &&\n    el.tag !== 'slot' &&\n    el.tag !== 'template' &&\n    !el.key\n  ) {\n    state.warn(\n      \"<\" + (el.tag) + \" v-for=\\\"\" + alias + \" in \" + exp + \"\\\">: component lists rendered with \" +\n      \"v-for should have explicit keys. \" +\n      \"See https://vuejs.org/guide/list.html#key for more info.\",\n      el.rawAttrsMap['v-for'],\n      true /* tip */\n    );\n  }\n\n  el.forProcessed = true; // avoid recursion\n  return (altHelper || '_l') + \"((\" + exp + \"),\" +\n    \"function(\" + alias + iterator1 + iterator2 + \"){\" +\n      \"return \" + ((altGen || genElement)(el, state)) +\n    '})'\n}\n\nfunction genData$2 (el, state) {\n  var data = '{';\n\n  // directives first.\n  // directives may mutate the el's other properties before they are generated.\n  var dirs = genDirectives(el, state);\n  if (dirs) { data += dirs + ','; }\n\n  // key\n  if (el.key) {\n    data += \"key:\" + (el.key) + \",\";\n  }\n  // ref\n  if (el.ref) {\n    data += \"ref:\" + (el.ref) + \",\";\n  }\n  if (el.refInFor) {\n    data += \"refInFor:true,\";\n  }\n  // pre\n  if (el.pre) {\n    data += \"pre:true,\";\n  }\n  // record original tag name for components using \"is\" attribute\n  if (el.component) {\n    data += \"tag:\\\"\" + (el.tag) + \"\\\",\";\n  }\n  // module data generation functions\n  for (var i = 0; i < state.dataGenFns.length; i++) {\n    data += state.dataGenFns[i](el);\n  }\n  // attributes\n  if (el.attrs) {\n    data += \"attrs:\" + (genProps(el.attrs)) + \",\";\n  }\n  // DOM props\n  if (el.props) {\n    data += \"domProps:\" + (genProps(el.props)) + \",\";\n  }\n  // event handlers\n  if (el.events) {\n    data += (genHandlers(el.events, false)) + \",\";\n  }\n  if (el.nativeEvents) {\n    data += (genHandlers(el.nativeEvents, true)) + \",\";\n  }\n  // slot target\n  // only for non-scoped slots\n  if (el.slotTarget && !el.slotScope) {\n    data += \"slot:\" + (el.slotTarget) + \",\";\n  }\n  // scoped slots\n  if (el.scopedSlots) {\n    data += (genScopedSlots(el, el.scopedSlots, state)) + \",\";\n  }\n  // component v-model\n  if (el.model) {\n    data += \"model:{value:\" + (el.model.value) + \",callback:\" + (el.model.callback) + \",expression:\" + (el.model.expression) + \"},\";\n  }\n  // inline-template\n  if (el.inlineTemplate) {\n    var inlineTemplate = genInlineTemplate(el, state);\n    if (inlineTemplate) {\n      data += inlineTemplate + \",\";\n    }\n  }\n  data = data.replace(/,$/, '') + '}';\n  // v-bind dynamic argument wrap\n  // v-bind with dynamic arguments must be applied using the same v-bind object\n  // merge helper so that class/style/mustUseProp attrs are handled correctly.\n  if (el.dynamicAttrs) {\n    data = \"_b(\" + data + \",\\\"\" + (el.tag) + \"\\\",\" + (genProps(el.dynamicAttrs)) + \")\";\n  }\n  // v-bind data wrap\n  if (el.wrapData) {\n    data = el.wrapData(data);\n  }\n  // v-on data wrap\n  if (el.wrapListeners) {\n    data = el.wrapListeners(data);\n  }\n  return data\n}\n\nfunction genDirectives (el, state) {\n  var dirs = el.directives;\n  if (!dirs) { return }\n  var res = 'directives:[';\n  var hasRuntime = false;\n  var i, l, dir, needRuntime;\n  for (i = 0, l = dirs.length; i < l; i++) {\n    dir = dirs[i];\n    needRuntime = true;\n    var gen = state.directives[dir.name];\n    if (gen) {\n      // compile-time directive that manipulates AST.\n      // returns true if it also needs a runtime counterpart.\n      needRuntime = !!gen(el, dir, state.warn);\n    }\n    if (needRuntime) {\n      hasRuntime = true;\n      res += \"{name:\\\"\" + (dir.name) + \"\\\",rawName:\\\"\" + (dir.rawName) + \"\\\"\" + (dir.value ? (\",value:(\" + (dir.value) + \"),expression:\" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (\",arg:\" + (dir.isDynamicArg ? dir.arg : (\"\\\"\" + (dir.arg) + \"\\\"\"))) : '') + (dir.modifiers ? (\",modifiers:\" + (JSON.stringify(dir.modifiers))) : '') + \"},\";\n    }\n  }\n  if (hasRuntime) {\n    return res.slice(0, -1) + ']'\n  }\n}\n\nfunction genInlineTemplate (el, state) {\n  var ast = el.children[0];\n  if ( true && (\n    el.children.length !== 1 || ast.type !== 1\n  )) {\n    state.warn(\n      'Inline-template components must have exactly one child element.',\n      { start: el.start }\n    );\n  }\n  if (ast && ast.type === 1) {\n    var inlineRenderFns = generate(ast, state.options);\n    return (\"inlineTemplate:{render:function(){\" + (inlineRenderFns.render) + \"},staticRenderFns:[\" + (inlineRenderFns.staticRenderFns.map(function (code) { return (\"function(){\" + code + \"}\"); }).join(',')) + \"]}\")\n  }\n}\n\nfunction genScopedSlots (\n  el,\n  slots,\n  state\n) {\n  // by default scoped slots are considered \"stable\", this allows child\n  // components with only scoped slots to skip forced updates from parent.\n  // but in some cases we have to bail-out of this optimization\n  // for example if the slot contains dynamic names, has v-if or v-for on them...\n  var needsForceUpdate = el.for || Object.keys(slots).some(function (key) {\n    var slot = slots[key];\n    return (\n      slot.slotTargetDynamic ||\n      slot.if ||\n      slot.for ||\n      containsSlotChild(slot) // is passing down slot from parent which may be dynamic\n    )\n  });\n\n  // #9534: if a component with scoped slots is inside a conditional branch,\n  // it's possible for the same component to be reused but with different\n  // compiled slot content. To avoid that, we generate a unique key based on\n  // the generated code of all the slot contents.\n  var needsKey = !!el.if;\n\n  // OR when it is inside another scoped slot or v-for (the reactivity may be\n  // disconnected due to the intermediate scope variable)\n  // #9438, #9506\n  // TODO: this can be further optimized by properly analyzing in-scope bindings\n  // and skip force updating ones that do not actually use scope variables.\n  if (!needsForceUpdate) {\n    var parent = el.parent;\n    while (parent) {\n      if (\n        (parent.slotScope && parent.slotScope !== emptySlotScopeToken) ||\n        parent.for\n      ) {\n        needsForceUpdate = true;\n        break\n      }\n      if (parent.if) {\n        needsKey = true;\n      }\n      parent = parent.parent;\n    }\n  }\n\n  var generatedSlots = Object.keys(slots)\n    .map(function (key) { return genScopedSlot(slots[key], state); })\n    .join(',');\n\n  return (\"scopedSlots:_u([\" + generatedSlots + \"]\" + (needsForceUpdate ? \",null,true\" : \"\") + (!needsForceUpdate && needsKey ? (\",null,false,\" + (hash(generatedSlots))) : \"\") + \")\")\n}\n\nfunction hash(str) {\n  var hash = 5381;\n  var i = str.length;\n  while(i) {\n    hash = (hash * 33) ^ str.charCodeAt(--i);\n  }\n  return hash >>> 0\n}\n\nfunction containsSlotChild (el) {\n  if (el.type === 1) {\n    if (el.tag === 'slot') {\n      return true\n    }\n    return el.children.some(containsSlotChild)\n  }\n  return false\n}\n\nfunction genScopedSlot (\n  el,\n  state\n) {\n  var isLegacySyntax = el.attrsMap['slot-scope'];\n  if (el.if && !el.ifProcessed && !isLegacySyntax) {\n    return genIf(el, state, genScopedSlot, \"null\")\n  }\n  if (el.for && !el.forProcessed) {\n    return genFor(el, state, genScopedSlot)\n  }\n  var slotScope = el.slotScope === emptySlotScopeToken\n    ? \"\"\n    : String(el.slotScope);\n  var fn = \"function(\" + slotScope + \"){\" +\n    \"return \" + (el.tag === 'template'\n      ? el.if && isLegacySyntax\n        ? (\"(\" + (el.if) + \")?\" + (genChildren(el, state) || 'undefined') + \":undefined\")\n        : genChildren(el, state) || 'undefined'\n      : genElement(el, state)) + \"}\";\n  // reverse proxy v-slot without scope on this.$slots\n  var reverseProxy = slotScope ? \"\" : \",proxy:true\";\n  return (\"{key:\" + (el.slotTarget || \"\\\"default\\\"\") + \",fn:\" + fn + reverseProxy + \"}\")\n}\n\nfunction genChildren (\n  el,\n  state,\n  checkSkip,\n  altGenElement,\n  altGenNode\n) {\n  var children = el.children;\n  if (children.length) {\n    var el$1 = children[0];\n    // optimize single v-for\n    if (children.length === 1 &&\n      el$1.for &&\n      el$1.tag !== 'template' &&\n      el$1.tag !== 'slot'\n    ) {\n      var normalizationType = checkSkip\n        ? state.maybeComponent(el$1) ? \",1\" : \",0\"\n        : \"\";\n      return (\"\" + ((altGenElement || genElement)(el$1, state)) + normalizationType)\n    }\n    var normalizationType$1 = checkSkip\n      ? getNormalizationType(children, state.maybeComponent)\n      : 0;\n    var gen = altGenNode || genNode;\n    return (\"[\" + (children.map(function (c) { return gen(c, state); }).join(',')) + \"]\" + (normalizationType$1 ? (\",\" + normalizationType$1) : ''))\n  }\n}\n\n// determine the normalization needed for the children array.\n// 0: no normalization needed\n// 1: simple normalization needed (possible 1-level deep nested array)\n// 2: full normalization needed\nfunction getNormalizationType (\n  children,\n  maybeComponent\n) {\n  var res = 0;\n  for (var i = 0; i < children.length; i++) {\n    var el = children[i];\n    if (el.type !== 1) {\n      continue\n    }\n    if (needsNormalization(el) ||\n        (el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {\n      res = 2;\n      break\n    }\n    if (maybeComponent(el) ||\n        (el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) {\n      res = 1;\n    }\n  }\n  return res\n}\n\nfunction needsNormalization (el) {\n  return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'\n}\n\nfunction genNode (node, state) {\n  if (node.type === 1) {\n    return genElement(node, state)\n  } else if (node.type === 3 && node.isComment) {\n    return genComment(node)\n  } else {\n    return genText(node)\n  }\n}\n\nfunction genText (text) {\n  return (\"_v(\" + (text.type === 2\n    ? text.expression // no need for () because already wrapped in _s()\n    : transformSpecialNewlines(JSON.stringify(text.text))) + \")\")\n}\n\nfunction genComment (comment) {\n  return (\"_e(\" + (JSON.stringify(comment.text)) + \")\")\n}\n\nfunction genSlot (el, state) {\n  var slotName = el.slotName || '\"default\"';\n  var children = genChildren(el, state);\n  var res = \"_t(\" + slotName + (children ? (\",\" + children) : '');\n  var attrs = el.attrs || el.dynamicAttrs\n    ? genProps((el.attrs || []).concat(el.dynamicAttrs || []).map(function (attr) { return ({\n        // slot props are camelized\n        name: camelize(attr.name),\n        value: attr.value,\n        dynamic: attr.dynamic\n      }); }))\n    : null;\n  var bind$$1 = el.attrsMap['v-bind'];\n  if ((attrs || bind$$1) && !children) {\n    res += \",null\";\n  }\n  if (attrs) {\n    res += \",\" + attrs;\n  }\n  if (bind$$1) {\n    res += (attrs ? '' : ',null') + \",\" + bind$$1;\n  }\n  return res + ')'\n}\n\n// componentName is el.component, take it as argument to shun flow's pessimistic refinement\nfunction genComponent (\n  componentName,\n  el,\n  state\n) {\n  var children = el.inlineTemplate ? null : genChildren(el, state, true);\n  return (\"_c(\" + componentName + \",\" + (genData$2(el, state)) + (children ? (\",\" + children) : '') + \")\")\n}\n\nfunction genProps (props) {\n  var staticProps = \"\";\n  var dynamicProps = \"\";\n  for (var i = 0; i < props.length; i++) {\n    var prop = props[i];\n    var value = transformSpecialNewlines(prop.value);\n    if (prop.dynamic) {\n      dynamicProps += (prop.name) + \",\" + value + \",\";\n    } else {\n      staticProps += \"\\\"\" + (prop.name) + \"\\\":\" + value + \",\";\n    }\n  }\n  staticProps = \"{\" + (staticProps.slice(0, -1)) + \"}\";\n  if (dynamicProps) {\n    return (\"_d(\" + staticProps + \",[\" + (dynamicProps.slice(0, -1)) + \"])\")\n  } else {\n    return staticProps\n  }\n}\n\n// #3895, #4268\nfunction transformSpecialNewlines (text) {\n  return text\n    .replace(/\\u2028/g, '\\\\u2028')\n    .replace(/\\u2029/g, '\\\\u2029')\n}\n\n/*  */\n\n\n\n// these keywords should not appear inside expressions, but operators like\n// typeof, instanceof and in are allowed\nvar prohibitedKeywordRE = new RegExp('\\\\b' + (\n  'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +\n  'super,throw,while,yield,delete,export,import,return,switch,default,' +\n  'extends,finally,continue,debugger,function,arguments'\n).split(',').join('\\\\b|\\\\b') + '\\\\b');\n\n// these unary operators should not be used as property/method names\nvar unaryOperatorsRE = new RegExp('\\\\b' + (\n  'delete,typeof,void'\n).split(',').join('\\\\s*\\\$[^\\\$]*\\\\)|\\\\b') + '\\\\s*\\\$[^\\\$]*\\\\)');\n\n// strip strings in expressions\nvar stripStringRE = /'(?:[^'\\\\]|\\\\.)*'|\"(?:[^\"\\\\]|\\\\.)*\"|`(?:[^`\\\\]|\\\\.)*\\$\\{|\\}(?:[^`\\\\]|\\\\.)*`|`(?:[^`\\\\]|\\\\.)*`/g;\n\n// detect problematic expressions in a template\nfunction detectErrors (ast, warn) {\n  if (ast) {\n    checkNode(ast, warn);\n  }\n}\n\nfunction checkNode (node, warn) {\n  if (node.type === 1) {\n    for (var name in node.attrsMap) {\n      if (dirRE.test(name)) {\n        var value = node.attrsMap[name];\n        if (value) {\n          var range = node.rawAttrsMap[name];\n          if (name === 'v-for') {\n            checkFor(node, (\"v-for=\\\"\" + value + \"\\\"\"), warn, range);\n          } else if (onRE.test(name)) {\n            checkEvent(value, (name + \"=\\\"\" + value + \"\\\"\"), warn, range);\n          } else {\n            checkExpression(value, (name + \"=\\\"\" + value + \"\\\"\"), warn, range);\n          }\n        }\n      }\n    }\n    if (node.children) {\n      for (var i = 0; i < node.children.length; i++) {\n        checkNode(node.children[i], warn);\n      }\n    }\n  } else if (node.type === 2) {\n    checkExpression(node.expression, node.text, warn, node);\n  }\n}\n\nfunction checkEvent (exp, text, warn, range) {\n  var stipped = exp.replace(stripStringRE, '');\n  var keywordMatch = stipped.match(unaryOperatorsRE);\n  if (keywordMatch && stipped.charAt(keywordMatch.index - 1) !== '$') {\n    warn(\n      \"avoid using JavaScript unary operator as property name: \" +\n      \"\\\"\" + (keywordMatch[0]) + \"\\\" in expression \" + (text.trim()),\n      range\n    );\n  }\n  checkExpression(exp, text, warn, range);\n}\n\nfunction checkFor (node, text, warn, range) {\n  checkExpression(node.for || '', text, warn, range);\n  checkIdentifier(node.alias, 'v-for alias', text, warn, range);\n  checkIdentifier(node.iterator1, 'v-for iterator', text, warn, range);\n  checkIdentifier(node.iterator2, 'v-for iterator', text, warn, range);\n}\n\nfunction checkIdentifier (\n  ident,\n  type,\n  text,\n  warn,\n  range\n) {\n  if (typeof ident === 'string') {\n    try {\n      new Function((\"var \" + ident + \"=_\"));\n    } catch (e) {\n      warn((\"invalid \" + type + \" \\\"\" + ident + \"\\\" in expression: \" + (text.trim())), range);\n    }\n  }\n}\n\nfunction checkExpression (exp, text, warn, range) {\n  try {\n    new Function((\"return \" + exp));\n  } catch (e) {\n    var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);\n    if (keywordMatch) {\n      warn(\n        \"avoid using JavaScript keyword as property name: \" +\n        \"\\\"\" + (keywordMatch[0]) + \"\\\"\\n  Raw expression: \" + (text.trim()),\n        range\n      );\n    } else {\n      warn(\n        \"invalid expression: \" + (e.message) + \" in\\n\\n\" +\n        \"    \" + exp + \"\\n\\n\" +\n        \"  Raw expression: \" + (text.trim()) + \"\\n\",\n        range\n      );\n    }\n  }\n}\n\n/*  */\n\nvar range = 2;\n\nfunction generateCodeFrame (\n  source,\n  start,\n  end\n) {\n  if ( start === void 0 ) start = 0;\n  if ( end === void 0 ) end = source.length;\n\n  var lines = source.split(/\\r?\\n/);\n  var count = 0;\n  var res = [];\n  for (var i = 0; i < lines.length; i++) {\n    count += lines[i].length + 1;\n    if (count >= start) {\n      for (var j = i - range; j <= i + range || end > count; j++) {\n        if (j < 0 || j >= lines.length) { continue }\n        res.push((\"\" + (j + 1) + (repeat$1(\" \", 3 - String(j + 1).length)) + \"|  \" + (lines[j])));\n        var lineLength = lines[j].length;\n        if (j === i) {\n          // push underline\n          var pad = start - (count - lineLength) + 1;\n          var length = end > count ? lineLength - pad : end - start;\n          res.push(\"   |  \" + repeat$1(\" \", pad) + repeat$1(\"^\", length));\n        } else if (j > i) {\n          if (end > count) {\n            var length$1 = Math.min(end - count, lineLength);\n            res.push(\"   |  \" + repeat$1(\"^\", length$1));\n          }\n          count += lineLength + 1;\n        }\n      }\n      break\n    }\n  }\n  return res.join('\\n')\n}\n\nfunction repeat$1 (str, n) {\n  var result = '';\n  if (n > 0) {\n    while (true) { // eslint-disable-line\n      if (n & 1) { result += str; }\n      n >>>= 1;\n      if (n <= 0) { break }\n      str += str;\n    }\n  }\n  return result\n}\n\n/*  */\n\n\n\nfunction createFunction (code, errors) {\n  try {\n    return new Function(code)\n  } catch (err) {\n    errors.push({ err: err, code: code });\n    return noop\n  }\n}\n\nfunction createCompileToFunctionFn (compile) {\n  var cache = Object.create(null);\n\n  return function compileToFunctions (\n    template,\n    options,\n    vm\n  ) {\n    options = extend({}, options);\n    var warn$$1 = options.warn || warn;\n    delete options.warn;\n\n    /* istanbul ignore if */\n    if (true) {\n      // detect possible CSP restriction\n      try {\n        new Function('return 1');\n      } catch (e) {\n        if (e.toString().match(/unsafe-eval|CSP/)) {\n          warn$$1(\n            'It seems you are using the standalone build of Vue.js in an ' +\n            'environment with Content Security Policy that prohibits unsafe-eval. ' +\n            'The template compiler cannot work in this environment. Consider ' +\n            'relaxing the policy to allow unsafe-eval or pre-compiling your ' +\n            'templates into render functions.'\n          );\n        }\n      }\n    }\n\n    // check cache\n    var key = options.delimiters\n      ? String(options.delimiters) + template\n      : template;\n    if (cache[key]) {\n      return cache[key]\n    }\n\n    // compile\n    var compiled = compile(template, options);\n\n    // check compilation errors/tips\n    if (true) {\n      if (compiled.errors && compiled.errors.length) {\n        if (options.outputSourceRange) {\n          compiled.errors.forEach(function (e) {\n            warn$$1(\n              \"Error compiling template:\\n\\n\" + (e.msg) + \"\\n\\n\" +\n              generateCodeFrame(template, e.start, e.end),\n              vm\n            );\n          });\n        } else {\n          warn$$1(\n            \"Error compiling template:\\n\\n\" + template + \"\\n\\n\" +\n            compiled.errors.map(function (e) { return (\"- \" + e); }).join('\\n') + '\\n',\n            vm\n          );\n        }\n      }\n      if (compiled.tips && compiled.tips.length) {\n        if (options.outputSourceRange) {\n          compiled.tips.forEach(function (e) { return tip(e.msg, vm); });\n        } else {\n          compiled.tips.forEach(function (msg) { return tip(msg, vm); });\n        }\n      }\n    }\n\n    // turn code into functions\n    var res = {};\n    var fnGenErrors = [];\n    res.render = createFunction(compiled.render, fnGenErrors);\n    res.staticRenderFns = compiled.staticRenderFns.map(function (code) {\n      return createFunction(code, fnGenErrors)\n    });\n\n    // check function generation errors.\n    // this should only happen if there is a bug in the compiler itself.\n    // mostly for codegen development use\n    /* istanbul ignore if */\n    if (true) {\n      if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {\n        warn$$1(\n          \"Failed to generate render function:\\n\\n\" +\n          fnGenErrors.map(function (ref) {\n            var err = ref.err;\n            var code = ref.code;\n\n            return ((err.toString()) + \" in\\n\\n\" + code + \"\\n\");\n        }).join('\\n'),\n          vm\n        );\n      }\n    }\n\n    return (cache[key] = res)\n  }\n}\n\n/*  */\n\nfunction createCompilerCreator (baseCompile) {\n  return function createCompiler (baseOptions) {\n    function compile (\n      template,\n      options\n    ) {\n      var finalOptions = Object.create(baseOptions);\n      var errors = [];\n      var tips = [];\n\n      var warn = function (msg, range, tip) {\n        (tip ? tips : errors).push(msg);\n      };\n\n      if (options) {\n        if ( true && options.outputSourceRange) {\n          // $flow-disable-line\n          var leadingSpaceLength = template.match(/^\\s*/)[0].length;\n\n          warn = function (msg, range, tip) {\n            var data = { msg: msg };\n            if (range) {\n              if (range.start != null) {\n                data.start = range.start + leadingSpaceLength;\n              }\n              if (range.end != null) {\n                data.end = range.end + leadingSpaceLength;\n              }\n            }\n            (tip ? tips : errors).push(data);\n          };\n        }\n        // merge custom modules\n        if (options.modules) {\n          finalOptions.modules =\n            (baseOptions.modules || []).concat(options.modules);\n        }\n        // merge custom directives\n        if (options.directives) {\n          finalOptions.directives = extend(\n            Object.create(baseOptions.directives || null),\n            options.directives\n          );\n        }\n        // copy other options\n        for (var key in options) {\n          if (key !== 'modules' && key !== 'directives') {\n            finalOptions[key] = options[key];\n          }\n        }\n      }\n\n      finalOptions.warn = warn;\n\n      var compiled = baseCompile(template.trim(), finalOptions);\n      if (true) {\n        detectErrors(compiled.ast, warn);\n      }\n      compiled.errors = errors;\n      compiled.tips = tips;\n      return compiled\n    }\n\n    return {\n      compile: compile,\n      compileToFunctions: createCompileToFunctionFn(compile)\n    }\n  }\n}\n\n/*  */\n\n// `createCompilerCreator` allows creating compilers that use alternative\n// parser/optimizer/codegen, e.g the SSR optimizing compiler.\n// Here we just export a default compiler using the default parts.\nvar createCompiler = createCompilerCreator(function baseCompile (\n  template,\n  options\n) {\n  var ast = parse(template.trim(), options);\n  if (options.optimize !== false) {\n    optimize(ast, options);\n  }\n  var code = generate(ast, options);\n  return {\n    ast: ast,\n    render: code.render,\n    staticRenderFns: code.staticRenderFns\n  }\n});\n\n/*  */\n\nvar ref$1 = createCompiler(baseOptions);\nvar compile = ref$1.compile;\nvar compileToFunctions = ref$1.compileToFunctions;\n\n/*  */\n\n// check whether current browser encodes a char inside attribute values\nvar div;\nfunction getShouldDecode (href) {\n  div = div || document.createElement('div');\n  div.innerHTML = href ? \"<a href=\\\"\\n\\\"/>\" : \"<div a=\\\"\\n\\\"/>\";\n  return div.innerHTML.indexOf('&#10;') > 0\n}\n\n// #3663: IE encodes newlines inside attribute values while other browsers don't\nvar shouldDecodeNewlines = inBrowser ? getShouldDecode(false) : false;\n// #6828: chrome encodes content in a[href]\nvar shouldDecodeNewlinesForHref = inBrowser ? getShouldDecode(true) : false;\n\n/*  */\n\nvar idToTemplate = cached(function (id) {\n  var el = query(id);\n  return el && el.innerHTML\n});\n\nvar mount = Vue.prototype.$mount;\nVue.prototype.$mount = function (\n  el,\n  hydrating\n) {\n  el = el && query(el);\n\n  /* istanbul ignore if */\n  if (el === document.body || el === document.documentElement) {\n     true && warn(\n      \"Do not mount Vue to <html> or <body> - mount to normal elements instead.\"\n    );\n    return this\n  }\n\n  var options = this.$options;\n  // resolve template/el and convert to render function\n  if (!options.render) {\n    var template = options.template;\n    if (template) {\n      if (typeof template === 'string') {\n        if (template.charAt(0) === '#') {\n          template = idToTemplate(template);\n          /* istanbul ignore if */\n          if ( true && !template) {\n            warn(\n              (\"Template element not found or is empty: \" + (options.template)),\n              this\n            );\n          }\n        }\n      } else if (template.nodeType) {\n        template = template.innerHTML;\n      } else {\n        if (true) {\n          warn('invalid template option:' + template, this);\n        }\n        return this\n      }\n    } else if (el) {\n      template = getOuterHTML(el);\n    }\n    if (template) {\n      /* istanbul ignore if */\n      if ( true && config.performance && mark) {\n        mark('compile');\n      }\n\n      var ref = compileToFunctions(template, {\n        outputSourceRange: \"development\" !== 'production',\n        shouldDecodeNewlines: shouldDecodeNewlines,\n        shouldDecodeNewlinesForHref: shouldDecodeNewlinesForHref,\n        delimiters: options.delimiters,\n        comments: options.comments\n      }, this);\n      var render = ref.render;\n      var staticRenderFns = ref.staticRenderFns;\n      options.render = render;\n      options.staticRenderFns = staticRenderFns;\n\n      /* istanbul ignore if */\n      if ( true && config.performance && mark) {\n        mark('compile end');\n        measure((\"vue \" + (this._name) + \" compile\"), 'compile', 'compile end');\n      }\n    }\n  }\n  return mount.call(this, el, hydrating)\n};\n\n/**\n * Get outerHTML of elements, taking care\n * of SVG elements in IE as well.\n */\nfunction getOuterHTML (el) {\n  if (el.outerHTML) {\n    return el.outerHTML\n  } else {\n    var container = document.createElement('div');\n    container.appendChild(el.cloneNode(true));\n    return container.innerHTML\n  }\n}\n\nVue.compile = compileToFunctions;\n\n/* harmony default export */ __webpack_exports__[\"default\"] = (Vue);\n\n/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../webpack/buildin/global.js */ \"./node_modules/webpack/buildin/global.js\"), __webpack_require__(/*! ./../../timers-browserify/main.js */ \"./node_modules/timers-browserify/main.js\").setImmediate))\n\n//# sourceURL=webpack:///./node_modules/vue/dist/vue.esm.js?");

/***/ }),

/***/ "./node_modules/vuedraggable/dist/vuedraggable.common.js":
/*!***************************************************************!*\
  !*** ./node_modules/vuedraggable/dist/vuedraggable.common.js ***!
  \***************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

eval("module.exports =\n/******/ (function(modules) { // webpackBootstrap\n/******/ \t// The module cache\n/******/ \tvar installedModules = {};\n/******/\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) {\n/******/\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(installedModules[moduleId]) {\n/******/ \t\t\treturn installedModules[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = installedModules[moduleId] = {\n/******/ \t\t\ti: moduleId,\n/******/ \t\t\tl: false,\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/\n/******/ \t\t// Execute the module function\n/******/ \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n/******/\n/******/ \t\t// Flag the module as loaded\n/******/ \t\tmodule.l = true;\n/******/\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/\n/******/\n/******/ \t// expose the modules object (__webpack_modules__)\n/******/ \t__webpack_require__.m = modules;\n/******/\n/******/ \t// expose the module cache\n/******/ \t__webpack_require__.c = installedModules;\n/******/\n/******/ \t// define getter function for harmony exports\n/******/ \t__webpack_require__.d = function(exports, name, getter) {\n/******/ \t\tif(!__webpack_require__.o(exports, name)) {\n/******/ \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n/******/ \t\t}\n/******/ \t};\n/******/\n/******/ \t// define __esModule on exports\n/******/ \t__webpack_require__.r = function(exports) {\n/******/ \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n/******/ \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n/******/ \t\t}\n/******/ \t\tObject.defineProperty(exports, '__esModule', { value: true });\n/******/ \t};\n/******/\n/******/ \t// create a fake namespace object\n/******/ \t// mode & 1: value is a module id, require it\n/******/ \t// mode & 2: merge all properties of value into the ns\n/******/ \t// mode & 4: return value when already ns object\n/******/ \t// mode & 8|1: behave like require\n/******/ \t__webpack_require__.t = function(value, mode) {\n/******/ \t\tif(mode & 1) value = __webpack_require__(value);\n/******/ \t\tif(mode & 8) return value;\n/******/ \t\tif((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;\n/******/ \t\tvar ns = Object.create(null);\n/******/ \t\t__webpack_require__.r(ns);\n/******/ \t\tObject.defineProperty(ns, 'default', { enumerable: true, value: value });\n/******/ \t\tif(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));\n/******/ \t\treturn ns;\n/******/ \t};\n/******/\n/******/ \t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t__webpack_require__.n = function(module) {\n/******/ \t\tvar getter = module && module.__esModule ?\n/******/ \t\t\tfunction getDefault() { return module['default']; } :\n/******/ \t\t\tfunction getModuleExports() { return module; };\n/******/ \t\t__webpack_require__.d(getter, 'a', getter);\n/******/ \t\treturn getter;\n/******/ \t};\n/******/\n/******/ \t// Object.prototype.hasOwnProperty.call\n/******/ \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n/******/\n/******/ \t// __webpack_public_path__\n/******/ \t__webpack_require__.p = \"\";\n/******/\n/******/\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(__webpack_require__.s = \"fb15\");\n/******/ })\n/************************************************************************/\n/******/ ({\n\n/***/ \"02f4\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar toInteger = __webpack_require__(\"4588\");\nvar defined = __webpack_require__(\"be13\");\n// true  -> String#at\n// false -> String#codePointAt\nmodule.exports = function (TO_STRING) {\n  return function (that, pos) {\n    var s = String(defined(that));\n    var i = toInteger(pos);\n    var l = s.length;\n    var a, b;\n    if (i < 0 || i >= l) return TO_STRING ? '' : undefined;\n    a = s.charCodeAt(i);\n    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff\n      ? TO_STRING ? s.charAt(i) : a\n      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;\n  };\n};\n\n\n/***/ }),\n\n/***/ \"0390\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar at = __webpack_require__(\"02f4\")(true);\n\n // `AdvanceStringIndex` abstract operation\n// https://tc39.github.io/ecma262/#sec-advancestringindex\nmodule.exports = function (S, index, unicode) {\n  return index + (unicode ? at(S, index).length : 1);\n};\n\n\n/***/ }),\n\n/***/ \"07e3\":\n/***/ (function(module, exports) {\n\nvar hasOwnProperty = {}.hasOwnProperty;\nmodule.exports = function (it, key) {\n  return hasOwnProperty.call(it, key);\n};\n\n\n/***/ }),\n\n/***/ \"0bfb\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n// 21.2.5.3 get RegExp.prototype.flags\nvar anObject = __webpack_require__(\"cb7c\");\nmodule.exports = function () {\n  var that = anObject(this);\n  var result = '';\n  if (that.global) result += 'g';\n  if (that.ignoreCase) result += 'i';\n  if (that.multiline) result += 'm';\n  if (that.unicode) result += 'u';\n  if (that.sticky) result += 'y';\n  return result;\n};\n\n\n/***/ }),\n\n/***/ \"0fc9\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar toInteger = __webpack_require__(\"3a38\");\nvar max = Math.max;\nvar min = Math.min;\nmodule.exports = function (index, length) {\n  index = toInteger(index);\n  return index < 0 ? max(index + length, 0) : min(index, length);\n};\n\n\n/***/ }),\n\n/***/ \"1654\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar $at = __webpack_require__(\"71c1\")(true);\n\n// 21.1.3.27 String.prototype[@@iterator]()\n__webpack_require__(\"30f1\")(String, 'String', function (iterated) {\n  this._t = String(iterated); // target\n  this._i = 0;                // next index\n// 21.1.5.2.1 %StringIteratorPrototype%.next()\n}, function () {\n  var O = this._t;\n  var index = this._i;\n  var point;\n  if (index >= O.length) return { value: undefined, done: true };\n  point = $at(O, index);\n  this._i += point.length;\n  return { value: point, done: false };\n});\n\n\n/***/ }),\n\n/***/ \"1691\":\n/***/ (function(module, exports) {\n\n// IE 8- don't enum bug keys\nmodule.exports = (\n  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'\n).split(',');\n\n\n/***/ }),\n\n/***/ \"1af6\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// 22.1.2.2 / 15.4.3.2 Array.isArray(arg)\nvar $export = __webpack_require__(\"63b6\");\n\n$export($export.S, 'Array', { isArray: __webpack_require__(\"9003\") });\n\n\n/***/ }),\n\n/***/ \"1bc3\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// 7.1.1 ToPrimitive(input [, PreferredType])\nvar isObject = __webpack_require__(\"f772\");\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function (it, S) {\n  if (!isObject(it)) return it;\n  var fn, val;\n  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;\n  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};\n\n\n/***/ }),\n\n/***/ \"1ec9\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar isObject = __webpack_require__(\"f772\");\nvar document = __webpack_require__(\"e53d\").document;\n// typeof document.createElement is 'object' in old IE\nvar is = isObject(document) && isObject(document.createElement);\nmodule.exports = function (it) {\n  return is ? document.createElement(it) : {};\n};\n\n\n/***/ }),\n\n/***/ \"20fd\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar $defineProperty = __webpack_require__(\"d9f6\");\nvar createDesc = __webpack_require__(\"aebd\");\n\nmodule.exports = function (object, index, value) {\n  if (index in object) $defineProperty.f(object, index, createDesc(0, value));\n  else object[index] = value;\n};\n\n\n/***/ }),\n\n/***/ \"214f\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n__webpack_require__(\"b0c5\");\nvar redefine = __webpack_require__(\"2aba\");\nvar hide = __webpack_require__(\"32e9\");\nvar fails = __webpack_require__(\"79e5\");\nvar defined = __webpack_require__(\"be13\");\nvar wks = __webpack_require__(\"2b4c\");\nvar regexpExec = __webpack_require__(\"520a\");\n\nvar SPECIES = wks('species');\n\nvar REPLACE_SUPPORTS_NAMED_GROUPS = !fails(function () {\n  // #replace needs built-in support for named groups.\n  // #match works fine because it just return the exec results, even if it has\n  // a \"grops\" property.\n  var re = /./;\n  re.exec = function () {\n    var result = [];\n    result.groups = { a: '7' };\n    return result;\n  };\n  return ''.replace(re, '$<a>') !== '7';\n});\n\nvar SPLIT_WORKS_WITH_OVERWRITTEN_EXEC = (function () {\n  // Chrome 51 has a buggy \"split\" implementation when RegExp#exec !== nativeExec\n  var re = /(?:)/;\n  var originalExec = re.exec;\n  re.exec = function () { return originalExec.apply(this, arguments); };\n  var result = 'ab'.split(re);\n  return result.length === 2 && result[0] === 'a' && result[1] === 'b';\n})();\n\nmodule.exports = function (KEY, length, exec) {\n  var SYMBOL = wks(KEY);\n\n  var DELEGATES_TO_SYMBOL = !fails(function () {\n    // String methods call symbol-named RegEp methods\n    var O = {};\n    O[SYMBOL] = function () { return 7; };\n    return ''[KEY](O) != 7;\n  });\n\n  var DELEGATES_TO_EXEC = DELEGATES_TO_SYMBOL ? !fails(function () {\n    // Symbol-named RegExp methods call .exec\n    var execCalled = false;\n    var re = /a/;\n    re.exec = function () { execCalled = true; return null; };\n    if (KEY === 'split') {\n      // RegExp[@@split] doesn't call the regex's exec method, but first creates\n      // a new one. We need to return the patched regex when creating the new one.\n      re.constructor = {};\n      re.constructor[SPECIES] = function () { return re; };\n    }\n    re[SYMBOL]('');\n    return !execCalled;\n  }) : undefined;\n\n  if (\n    !DELEGATES_TO_SYMBOL ||\n    !DELEGATES_TO_EXEC ||\n    (KEY === 'replace' && !REPLACE_SUPPORTS_NAMED_GROUPS) ||\n    (KEY === 'split' && !SPLIT_WORKS_WITH_OVERWRITTEN_EXEC)\n  ) {\n    var nativeRegExpMethod = /./[SYMBOL];\n    var fns = exec(\n      defined,\n      SYMBOL,\n      ''[KEY],\n      function maybeCallNative(nativeMethod, regexp, str, arg2, forceStringMethod) {\n        if (regexp.exec === regexpExec) {\n          if (DELEGATES_TO_SYMBOL && !forceStringMethod) {\n            // The native String method already delegates to @@method (this\n            // polyfilled function), leasing to infinite recursion.\n            // We avoid it by directly calling the native @@method method.\n            return { done: true, value: nativeRegExpMethod.call(regexp, str, arg2) };\n          }\n          return { done: true, value: nativeMethod.call(str, regexp, arg2) };\n        }\n        return { done: false };\n      }\n    );\n    var strfn = fns[0];\n    var rxfn = fns[1];\n\n    redefine(String.prototype, KEY, strfn);\n    hide(RegExp.prototype, SYMBOL, length == 2\n      // 21.2.5.8 RegExp.prototype[@@replace](string, replaceValue)\n      // 21.2.5.11 RegExp.prototype[@@split](string, limit)\n      ? function (string, arg) { return rxfn.call(string, this, arg); }\n      // 21.2.5.6 RegExp.prototype[@@match](string)\n      // 21.2.5.9 RegExp.prototype[@@search](string)\n      : function (string) { return rxfn.call(string, this); }\n    );\n  }\n};\n\n\n/***/ }),\n\n/***/ \"230e\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar isObject = __webpack_require__(\"d3f4\");\nvar document = __webpack_require__(\"7726\").document;\n// typeof document.createElement is 'object' in old IE\nvar is = isObject(document) && isObject(document.createElement);\nmodule.exports = function (it) {\n  return is ? document.createElement(it) : {};\n};\n\n\n/***/ }),\n\n/***/ \"23c6\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// getting tag from 19.1.3.6 Object.prototype.toString()\nvar cof = __webpack_require__(\"2d95\");\nvar TAG = __webpack_require__(\"2b4c\")('toStringTag');\n// ES3 wrong here\nvar ARG = cof(function () { return arguments; }()) == 'Arguments';\n\n// fallback for IE11 Script Access Denied error\nvar tryGet = function (it, key) {\n  try {\n    return it[key];\n  } catch (e) { /* empty */ }\n};\n\nmodule.exports = function (it) {\n  var O, T, B;\n  return it === undefined ? 'Undefined' : it === null ? 'Null'\n    // @@toStringTag case\n    : typeof (T = tryGet(O = Object(it), TAG)) == 'string' ? T\n    // builtinTag case\n    : ARG ? cof(O)\n    // ES3 arguments fallback\n    : (B = cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B;\n};\n\n\n/***/ }),\n\n/***/ \"241e\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// 7.1.13 ToObject(argument)\nvar defined = __webpack_require__(\"25eb\");\nmodule.exports = function (it) {\n  return Object(defined(it));\n};\n\n\n/***/ }),\n\n/***/ \"25eb\":\n/***/ (function(module, exports) {\n\n// 7.2.1 RequireObjectCoercible(argument)\nmodule.exports = function (it) {\n  if (it == undefined) throw TypeError(\"Can't call method on  \" + it);\n  return it;\n};\n\n\n/***/ }),\n\n/***/ \"294c\":\n/***/ (function(module, exports) {\n\nmodule.exports = function (exec) {\n  try {\n    return !!exec();\n  } catch (e) {\n    return true;\n  }\n};\n\n\n/***/ }),\n\n/***/ \"2aba\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar global = __webpack_require__(\"7726\");\nvar hide = __webpack_require__(\"32e9\");\nvar has = __webpack_require__(\"69a8\");\nvar SRC = __webpack_require__(\"ca5a\")('src');\nvar $toString = __webpack_require__(\"fa5b\");\nvar TO_STRING = 'toString';\nvar TPL = ('' + $toString).split(TO_STRING);\n\n__webpack_require__(\"8378\").inspectSource = function (it) {\n  return $toString.call(it);\n};\n\n(module.exports = function (O, key, val, safe) {\n  var isFunction = typeof val == 'function';\n  if (isFunction) has(val, 'name') || hide(val, 'name', key);\n  if (O[key] === val) return;\n  if (isFunction) has(val, SRC) || hide(val, SRC, O[key] ? '' + O[key] : TPL.join(String(key)));\n  if (O === global) {\n    O[key] = val;\n  } else if (!safe) {\n    delete O[key];\n    hide(O, key, val);\n  } else if (O[key]) {\n    O[key] = val;\n  } else {\n    hide(O, key, val);\n  }\n// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative\n})(Function.prototype, TO_STRING, function toString() {\n  return typeof this == 'function' && this[SRC] || $toString.call(this);\n});\n\n\n/***/ }),\n\n/***/ \"2b4c\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar store = __webpack_require__(\"5537\")('wks');\nvar uid = __webpack_require__(\"ca5a\");\nvar Symbol = __webpack_require__(\"7726\").Symbol;\nvar USE_SYMBOL = typeof Symbol == 'function';\n\nvar $exports = module.exports = function (name) {\n  return store[name] || (store[name] =\n    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));\n};\n\n$exports.store = store;\n\n\n/***/ }),\n\n/***/ \"2d00\":\n/***/ (function(module, exports) {\n\nmodule.exports = false;\n\n\n/***/ }),\n\n/***/ \"2d95\":\n/***/ (function(module, exports) {\n\nvar toString = {}.toString;\n\nmodule.exports = function (it) {\n  return toString.call(it).slice(8, -1);\n};\n\n\n/***/ }),\n\n/***/ \"2fdb\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n// 21.1.3.7 String.prototype.includes(searchString, position = 0)\n\nvar $export = __webpack_require__(\"5ca1\");\nvar context = __webpack_require__(\"d2c8\");\nvar INCLUDES = 'includes';\n\n$export($export.P + $export.F * __webpack_require__(\"5147\")(INCLUDES), 'String', {\n  includes: function includes(searchString /* , position = 0 */) {\n    return !!~context(this, searchString, INCLUDES)\n      .indexOf(searchString, arguments.length > 1 ? arguments[1] : undefined);\n  }\n});\n\n\n/***/ }),\n\n/***/ \"30f1\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar LIBRARY = __webpack_require__(\"b8e3\");\nvar $export = __webpack_require__(\"63b6\");\nvar redefine = __webpack_require__(\"9138\");\nvar hide = __webpack_require__(\"35e8\");\nvar Iterators = __webpack_require__(\"481b\");\nvar $iterCreate = __webpack_require__(\"8f60\");\nvar setToStringTag = __webpack_require__(\"45f2\");\nvar getPrototypeOf = __webpack_require__(\"53e2\");\nvar ITERATOR = __webpack_require__(\"5168\")('iterator');\nvar BUGGY = !([].keys && 'next' in [].keys()); // Safari has buggy iterators w/o `next`\nvar FF_ITERATOR = '@@iterator';\nvar KEYS = 'keys';\nvar VALUES = 'values';\n\nvar returnThis = function () { return this; };\n\nmodule.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) {\n  $iterCreate(Constructor, NAME, next);\n  var getMethod = function (kind) {\n    if (!BUGGY && kind in proto) return proto[kind];\n    switch (kind) {\n      case KEYS: return function keys() { return new Constructor(this, kind); };\n      case VALUES: return function values() { return new Constructor(this, kind); };\n    } return function entries() { return new Constructor(this, kind); };\n  };\n  var TAG = NAME + ' Iterator';\n  var DEF_VALUES = DEFAULT == VALUES;\n  var VALUES_BUG = false;\n  var proto = Base.prototype;\n  var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT];\n  var $default = $native || getMethod(DEFAULT);\n  var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined;\n  var $anyNative = NAME == 'Array' ? proto.entries || $native : $native;\n  var methods, key, IteratorPrototype;\n  // Fix native\n  if ($anyNative) {\n    IteratorPrototype = getPrototypeOf($anyNative.call(new Base()));\n    if (IteratorPrototype !== Object.prototype && IteratorPrototype.next) {\n      // Set @@toStringTag to native iterators\n      setToStringTag(IteratorPrototype, TAG, true);\n      // fix for some old engines\n      if (!LIBRARY && typeof IteratorPrototype[ITERATOR] != 'function') hide(IteratorPrototype, ITERATOR, returnThis);\n    }\n  }\n  // fix Array#{values, @@iterator}.name in V8 / FF\n  if (DEF_VALUES && $native && $native.name !== VALUES) {\n    VALUES_BUG = true;\n    $default = function values() { return $native.call(this); };\n  }\n  // Define iterator\n  if ((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])) {\n    hide(proto, ITERATOR, $default);\n  }\n  // Plug for library\n  Iterators[NAME] = $default;\n  Iterators[TAG] = returnThis;\n  if (DEFAULT) {\n    methods = {\n      values: DEF_VALUES ? $default : getMethod(VALUES),\n      keys: IS_SET ? $default : getMethod(KEYS),\n      entries: $entries\n    };\n    if (FORCED) for (key in methods) {\n      if (!(key in proto)) redefine(proto, key, methods[key]);\n    } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);\n  }\n  return methods;\n};\n\n\n/***/ }),\n\n/***/ \"32a6\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// 19.1.2.14 Object.keys(O)\nvar toObject = __webpack_require__(\"241e\");\nvar $keys = __webpack_require__(\"c3a1\");\n\n__webpack_require__(\"ce7e\")('keys', function () {\n  return function keys(it) {\n    return $keys(toObject(it));\n  };\n});\n\n\n/***/ }),\n\n/***/ \"32e9\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar dP = __webpack_require__(\"86cc\");\nvar createDesc = __webpack_require__(\"4630\");\nmodule.exports = __webpack_require__(\"9e1e\") ? function (object, key, value) {\n  return dP.f(object, key, createDesc(1, value));\n} : function (object, key, value) {\n  object[key] = value;\n  return object;\n};\n\n\n/***/ }),\n\n/***/ \"32fc\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar document = __webpack_require__(\"e53d\").document;\nmodule.exports = document && document.documentElement;\n\n\n/***/ }),\n\n/***/ \"335c\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// fallback for non-array-like ES3 and non-enumerable old V8 strings\nvar cof = __webpack_require__(\"6b4c\");\n// eslint-disable-next-line no-prototype-builtins\nmodule.exports = Object('z').propertyIsEnumerable(0) ? Object : function (it) {\n  return cof(it) == 'String' ? it.split('') : Object(it);\n};\n\n\n/***/ }),\n\n/***/ \"355d\":\n/***/ (function(module, exports) {\n\nexports.f = {}.propertyIsEnumerable;\n\n\n/***/ }),\n\n/***/ \"35e8\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar dP = __webpack_require__(\"d9f6\");\nvar createDesc = __webpack_require__(\"aebd\");\nmodule.exports = __webpack_require__(\"8e60\") ? function (object, key, value) {\n  return dP.f(object, key, createDesc(1, value));\n} : function (object, key, value) {\n  object[key] = value;\n  return object;\n};\n\n\n/***/ }),\n\n/***/ \"36c3\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// to indexed object, toObject with fallback for non-array-like ES3 strings\nvar IObject = __webpack_require__(\"335c\");\nvar defined = __webpack_require__(\"25eb\");\nmodule.exports = function (it) {\n  return IObject(defined(it));\n};\n\n\n/***/ }),\n\n/***/ \"3702\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// check on default Array iterator\nvar Iterators = __webpack_require__(\"481b\");\nvar ITERATOR = __webpack_require__(\"5168\")('iterator');\nvar ArrayProto = Array.prototype;\n\nmodule.exports = function (it) {\n  return it !== undefined && (Iterators.Array === it || ArrayProto[ITERATOR] === it);\n};\n\n\n/***/ }),\n\n/***/ \"3a38\":\n/***/ (function(module, exports) {\n\n// 7.1.4 ToInteger\nvar ceil = Math.ceil;\nvar floor = Math.floor;\nmodule.exports = function (it) {\n  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);\n};\n\n\n/***/ }),\n\n/***/ \"40c3\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// getting tag from 19.1.3.6 Object.prototype.toString()\nvar cof = __webpack_require__(\"6b4c\");\nvar TAG = __webpack_require__(\"5168\")('toStringTag');\n// ES3 wrong here\nvar ARG = cof(function () { return arguments; }()) == 'Arguments';\n\n// fallback for IE11 Script Access Denied error\nvar tryGet = function (it, key) {\n  try {\n    return it[key];\n  } catch (e) { /* empty */ }\n};\n\nmodule.exports = function (it) {\n  var O, T, B;\n  return it === undefined ? 'Undefined' : it === null ? 'Null'\n    // @@toStringTag case\n    : typeof (T = tryGet(O = Object(it), TAG)) == 'string' ? T\n    // builtinTag case\n    : ARG ? cof(O)\n    // ES3 arguments fallback\n    : (B = cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B;\n};\n\n\n/***/ }),\n\n/***/ \"4588\":\n/***/ (function(module, exports) {\n\n// 7.1.4 ToInteger\nvar ceil = Math.ceil;\nvar floor = Math.floor;\nmodule.exports = function (it) {\n  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);\n};\n\n\n/***/ }),\n\n/***/ \"45f2\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar def = __webpack_require__(\"d9f6\").f;\nvar has = __webpack_require__(\"07e3\");\nvar TAG = __webpack_require__(\"5168\")('toStringTag');\n\nmodule.exports = function (it, tag, stat) {\n  if (it && !has(it = stat ? it : it.prototype, TAG)) def(it, TAG, { configurable: true, value: tag });\n};\n\n\n/***/ }),\n\n/***/ \"4630\":\n/***/ (function(module, exports) {\n\nmodule.exports = function (bitmap, value) {\n  return {\n    enumerable: !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable: !(bitmap & 4),\n    value: value\n  };\n};\n\n\n/***/ }),\n\n/***/ \"469f\":\n/***/ (function(module, exports, __webpack_require__) {\n\n__webpack_require__(\"6c1c\");\n__webpack_require__(\"1654\");\nmodule.exports = __webpack_require__(\"7d7b\");\n\n\n/***/ }),\n\n/***/ \"481b\":\n/***/ (function(module, exports) {\n\nmodule.exports = {};\n\n\n/***/ }),\n\n/***/ \"4aa6\":\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = __webpack_require__(\"dc62\");\n\n/***/ }),\n\n/***/ \"4bf8\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// 7.1.13 ToObject(argument)\nvar defined = __webpack_require__(\"be13\");\nmodule.exports = function (it) {\n  return Object(defined(it));\n};\n\n\n/***/ }),\n\n/***/ \"4ee1\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar ITERATOR = __webpack_require__(\"5168\")('iterator');\nvar SAFE_CLOSING = false;\n\ntry {\n  var riter = [7][ITERATOR]();\n  riter['return'] = function () { SAFE_CLOSING = true; };\n  // eslint-disable-next-line no-throw-literal\n  Array.from(riter, function () { throw 2; });\n} catch (e) { /* empty */ }\n\nmodule.exports = function (exec, skipClosing) {\n  if (!skipClosing && !SAFE_CLOSING) return false;\n  var safe = false;\n  try {\n    var arr = [7];\n    var iter = arr[ITERATOR]();\n    iter.next = function () { return { done: safe = true }; };\n    arr[ITERATOR] = function () { return iter; };\n    exec(arr);\n  } catch (e) { /* empty */ }\n  return safe;\n};\n\n\n/***/ }),\n\n/***/ \"50ed\":\n/***/ (function(module, exports) {\n\nmodule.exports = function (done, value) {\n  return { value: value, done: !!done };\n};\n\n\n/***/ }),\n\n/***/ \"5147\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar MATCH = __webpack_require__(\"2b4c\")('match');\nmodule.exports = function (KEY) {\n  var re = /./;\n  try {\n    '/./'[KEY](re);\n  } catch (e) {\n    try {\n      re[MATCH] = false;\n      return !'/./'[KEY](re);\n    } catch (f) { /* empty */ }\n  } return true;\n};\n\n\n/***/ }),\n\n/***/ \"5168\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar store = __webpack_require__(\"dbdb\")('wks');\nvar uid = __webpack_require__(\"62a0\");\nvar Symbol = __webpack_require__(\"e53d\").Symbol;\nvar USE_SYMBOL = typeof Symbol == 'function';\n\nvar $exports = module.exports = function (name) {\n  return store[name] || (store[name] =\n    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));\n};\n\n$exports.store = store;\n\n\n/***/ }),\n\n/***/ \"5176\":\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = __webpack_require__(\"51b6\");\n\n/***/ }),\n\n/***/ \"51b6\":\n/***/ (function(module, exports, __webpack_require__) {\n\n__webpack_require__(\"a3c3\");\nmodule.exports = __webpack_require__(\"584a\").Object.assign;\n\n\n/***/ }),\n\n/***/ \"520a\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar regexpFlags = __webpack_require__(\"0bfb\");\n\nvar nativeExec = RegExp.prototype.exec;\n// This always refers to the native implementation, because the\n// String#replace polyfill uses ./fix-regexp-well-known-symbol-logic.js,\n// which loads this file before patching the method.\nvar nativeReplace = String.prototype.replace;\n\nvar patchedExec = nativeExec;\n\nvar LAST_INDEX = 'lastIndex';\n\nvar UPDATES_LAST_INDEX_WRONG = (function () {\n  var re1 = /a/,\n      re2 = /b*/g;\n  nativeExec.call(re1, 'a');\n  nativeExec.call(re2, 'a');\n  return re1[LAST_INDEX] !== 0 || re2[LAST_INDEX] !== 0;\n})();\n\n// nonparticipating capturing group, copied from es5-shim's String#split patch.\nvar NPCG_INCLUDED = /()??/.exec('')[1] !== undefined;\n\nvar PATCH = UPDATES_LAST_INDEX_WRONG || NPCG_INCLUDED;\n\nif (PATCH) {\n  patchedExec = function exec(str) {\n    var re = this;\n    var lastIndex, reCopy, match, i;\n\n    if (NPCG_INCLUDED) {\n      reCopy = new RegExp('^' + re.source + '$(?!\\\\s)', regexpFlags.call(re));\n    }\n    if (UPDATES_LAST_INDEX_WRONG) lastIndex = re[LAST_INDEX];\n\n    match = nativeExec.call(re, str);\n\n    if (UPDATES_LAST_INDEX_WRONG && match) {\n      re[LAST_INDEX] = re.global ? match.index + match[0].length : lastIndex;\n    }\n    if (NPCG_INCLUDED && match && match.length > 1) {\n      // Fix browsers whose `exec` methods don't consistently return `undefined`\n      // for NPCG, like IE8. NOTE: This doesn' work for /(.?)?/\n      // eslint-disable-next-line no-loop-func\n      nativeReplace.call(match[0], reCopy, function () {\n        for (i = 1; i < arguments.length - 2; i++) {\n          if (arguments[i] === undefined) match[i] = undefined;\n        }\n      });\n    }\n\n    return match;\n  };\n}\n\nmodule.exports = patchedExec;\n\n\n/***/ }),\n\n/***/ \"53e2\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)\nvar has = __webpack_require__(\"07e3\");\nvar toObject = __webpack_require__(\"241e\");\nvar IE_PROTO = __webpack_require__(\"5559\")('IE_PROTO');\nvar ObjectProto = Object.prototype;\n\nmodule.exports = Object.getPrototypeOf || function (O) {\n  O = toObject(O);\n  if (has(O, IE_PROTO)) return O[IE_PROTO];\n  if (typeof O.constructor == 'function' && O instanceof O.constructor) {\n    return O.constructor.prototype;\n  } return O instanceof Object ? ObjectProto : null;\n};\n\n\n/***/ }),\n\n/***/ \"549b\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar ctx = __webpack_require__(\"d864\");\nvar $export = __webpack_require__(\"63b6\");\nvar toObject = __webpack_require__(\"241e\");\nvar call = __webpack_require__(\"b0dc\");\nvar isArrayIter = __webpack_require__(\"3702\");\nvar toLength = __webpack_require__(\"b447\");\nvar createProperty = __webpack_require__(\"20fd\");\nvar getIterFn = __webpack_require__(\"7cd6\");\n\n$export($export.S + $export.F * !__webpack_require__(\"4ee1\")(function (iter) { Array.from(iter); }), 'Array', {\n  // 22.1.2.1 Array.from(arrayLike, mapfn = undefined, thisArg = undefined)\n  from: function from(arrayLike /* , mapfn = undefined, thisArg = undefined */) {\n    var O = toObject(arrayLike);\n    var C = typeof this == 'function' ? this : Array;\n    var aLen = arguments.length;\n    var mapfn = aLen > 1 ? arguments[1] : undefined;\n    var mapping = mapfn !== undefined;\n    var index = 0;\n    var iterFn = getIterFn(O);\n    var length, result, step, iterator;\n    if (mapping) mapfn = ctx(mapfn, aLen > 2 ? arguments[2] : undefined, 2);\n    // if object isn't iterable or it's array with default iterator - use simple case\n    if (iterFn != undefined && !(C == Array && isArrayIter(iterFn))) {\n      for (iterator = iterFn.call(O), result = new C(); !(step = iterator.next()).done; index++) {\n        createProperty(result, index, mapping ? call(iterator, mapfn, [step.value, index], true) : step.value);\n      }\n    } else {\n      length = toLength(O.length);\n      for (result = new C(length); length > index; index++) {\n        createProperty(result, index, mapping ? mapfn(O[index], index) : O[index]);\n      }\n    }\n    result.length = index;\n    return result;\n  }\n});\n\n\n/***/ }),\n\n/***/ \"54a1\":\n/***/ (function(module, exports, __webpack_require__) {\n\n__webpack_require__(\"6c1c\");\n__webpack_require__(\"1654\");\nmodule.exports = __webpack_require__(\"95d5\");\n\n\n/***/ }),\n\n/***/ \"5537\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar core = __webpack_require__(\"8378\");\nvar global = __webpack_require__(\"7726\");\nvar SHARED = '__core-js_shared__';\nvar store = global[SHARED] || (global[SHARED] = {});\n\n(module.exports = function (key, value) {\n  return store[key] || (store[key] = value !== undefined ? value : {});\n})('versions', []).push({\n  version: core.version,\n  mode: __webpack_require__(\"2d00\") ? 'pure' : 'global',\n  copyright: '© 2019 Denis Pushkarev (zloirock.ru)'\n});\n\n\n/***/ }),\n\n/***/ \"5559\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar shared = __webpack_require__(\"dbdb\")('keys');\nvar uid = __webpack_require__(\"62a0\");\nmodule.exports = function (key) {\n  return shared[key] || (shared[key] = uid(key));\n};\n\n\n/***/ }),\n\n/***/ \"584a\":\n/***/ (function(module, exports) {\n\nvar core = module.exports = { version: '2.6.5' };\nif (typeof __e == 'number') __e = core; // eslint-disable-line no-undef\n\n\n/***/ }),\n\n/***/ \"5b4e\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// false -> Array#indexOf\n// true  -> Array#includes\nvar toIObject = __webpack_require__(\"36c3\");\nvar toLength = __webpack_require__(\"b447\");\nvar toAbsoluteIndex = __webpack_require__(\"0fc9\");\nmodule.exports = function (IS_INCLUDES) {\n  return function ($this, el, fromIndex) {\n    var O = toIObject($this);\n    var length = toLength(O.length);\n    var index = toAbsoluteIndex(fromIndex, length);\n    var value;\n    // Array#includes uses SameValueZero equality algorithm\n    // eslint-disable-next-line no-self-compare\n    if (IS_INCLUDES && el != el) while (length > index) {\n      value = O[index++];\n      // eslint-disable-next-line no-self-compare\n      if (value != value) return true;\n    // Array#indexOf ignores holes, Array#includes - not\n    } else for (;length > index; index++) if (IS_INCLUDES || index in O) {\n      if (O[index] === el) return IS_INCLUDES || index || 0;\n    } return !IS_INCLUDES && -1;\n  };\n};\n\n\n/***/ }),\n\n/***/ \"5ca1\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar global = __webpack_require__(\"7726\");\nvar core = __webpack_require__(\"8378\");\nvar hide = __webpack_require__(\"32e9\");\nvar redefine = __webpack_require__(\"2aba\");\nvar ctx = __webpack_require__(\"9b43\");\nvar PROTOTYPE = 'prototype';\n\nvar $export = function (type, name, source) {\n  var IS_FORCED = type & $export.F;\n  var IS_GLOBAL = type & $export.G;\n  var IS_STATIC = type & $export.S;\n  var IS_PROTO = type & $export.P;\n  var IS_BIND = type & $export.B;\n  var target = IS_GLOBAL ? global : IS_STATIC ? global[name] || (global[name] = {}) : (global[name] || {})[PROTOTYPE];\n  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});\n  var expProto = exports[PROTOTYPE] || (exports[PROTOTYPE] = {});\n  var key, own, out, exp;\n  if (IS_GLOBAL) source = name;\n  for (key in source) {\n    // contains in native\n    own = !IS_FORCED && target && target[key] !== undefined;\n    // export native or passed\n    out = (own ? target : source)[key];\n    // bind timers to global for call from export context\n    exp = IS_BIND && own ? ctx(out, global) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n    // extend global\n    if (target) redefine(target, key, out, type & $export.U);\n    // export\n    if (exports[key] != out) hide(exports, key, exp);\n    if (IS_PROTO && expProto[key] != out) expProto[key] = out;\n  }\n};\nglobal.core = core;\n// type bitmap\n$export.F = 1;   // forced\n$export.G = 2;   // global\n$export.S = 4;   // static\n$export.P = 8;   // proto\n$export.B = 16;  // bind\n$export.W = 32;  // wrap\n$export.U = 64;  // safe\n$export.R = 128; // real proto method for `library`\nmodule.exports = $export;\n\n\n/***/ }),\n\n/***/ \"5d73\":\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = __webpack_require__(\"469f\");\n\n/***/ }),\n\n/***/ \"5f1b\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar classof = __webpack_require__(\"23c6\");\nvar builtinExec = RegExp.prototype.exec;\n\n // `RegExpExec` abstract operation\n// https://tc39.github.io/ecma262/#sec-regexpexec\nmodule.exports = function (R, S) {\n  var exec = R.exec;\n  if (typeof exec === 'function') {\n    var result = exec.call(R, S);\n    if (typeof result !== 'object') {\n      throw new TypeError('RegExp exec method returned something other than an Object or null');\n    }\n    return result;\n  }\n  if (classof(R) !== 'RegExp') {\n    throw new TypeError('RegExp#exec called on incompatible receiver');\n  }\n  return builtinExec.call(R, S);\n};\n\n\n/***/ }),\n\n/***/ \"626a\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// fallback for non-array-like ES3 and non-enumerable old V8 strings\nvar cof = __webpack_require__(\"2d95\");\n// eslint-disable-next-line no-prototype-builtins\nmodule.exports = Object('z').propertyIsEnumerable(0) ? Object : function (it) {\n  return cof(it) == 'String' ? it.split('') : Object(it);\n};\n\n\n/***/ }),\n\n/***/ \"62a0\":\n/***/ (function(module, exports) {\n\nvar id = 0;\nvar px = Math.random();\nmodule.exports = function (key) {\n  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));\n};\n\n\n/***/ }),\n\n/***/ \"63b6\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar global = __webpack_require__(\"e53d\");\nvar core = __webpack_require__(\"584a\");\nvar ctx = __webpack_require__(\"d864\");\nvar hide = __webpack_require__(\"35e8\");\nvar has = __webpack_require__(\"07e3\");\nvar PROTOTYPE = 'prototype';\n\nvar $export = function (type, name, source) {\n  var IS_FORCED = type & $export.F;\n  var IS_GLOBAL = type & $export.G;\n  var IS_STATIC = type & $export.S;\n  var IS_PROTO = type & $export.P;\n  var IS_BIND = type & $export.B;\n  var IS_WRAP = type & $export.W;\n  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});\n  var expProto = exports[PROTOTYPE];\n  var target = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE];\n  var key, own, out;\n  if (IS_GLOBAL) source = name;\n  for (key in source) {\n    // contains in native\n    own = !IS_FORCED && target && target[key] !== undefined;\n    if (own && has(exports, key)) continue;\n    // export native or passed\n    out = own ? target[key] : source[key];\n    // prevent global pollution for namespaces\n    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n    // bind timers to global for call from export context\n    : IS_BIND && own ? ctx(out, global)\n    // wrap global constructors for prevent change them in library\n    : IS_WRAP && target[key] == out ? (function (C) {\n      var F = function (a, b, c) {\n        if (this instanceof C) {\n          switch (arguments.length) {\n            case 0: return new C();\n            case 1: return new C(a);\n            case 2: return new C(a, b);\n          } return new C(a, b, c);\n        } return C.apply(this, arguments);\n      };\n      F[PROTOTYPE] = C[PROTOTYPE];\n      return F;\n    // make static versions for prototype methods\n    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n    if (IS_PROTO) {\n      (exports.virtual || (exports.virtual = {}))[key] = out;\n      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n      if (type & $export.R && expProto && !expProto[key]) hide(expProto, key, out);\n    }\n  }\n};\n// type bitmap\n$export.F = 1;   // forced\n$export.G = 2;   // global\n$export.S = 4;   // static\n$export.P = 8;   // proto\n$export.B = 16;  // bind\n$export.W = 32;  // wrap\n$export.U = 64;  // safe\n$export.R = 128; // real proto method for `library`\nmodule.exports = $export;\n\n\n/***/ }),\n\n/***/ \"6762\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n// https://github.com/tc39/Array.prototype.includes\nvar $export = __webpack_require__(\"5ca1\");\nvar $includes = __webpack_require__(\"c366\")(true);\n\n$export($export.P, 'Array', {\n  includes: function includes(el /* , fromIndex = 0 */) {\n    return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);\n  }\n});\n\n__webpack_require__(\"9c6c\")('includes');\n\n\n/***/ }),\n\n/***/ \"6821\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// to indexed object, toObject with fallback for non-array-like ES3 strings\nvar IObject = __webpack_require__(\"626a\");\nvar defined = __webpack_require__(\"be13\");\nmodule.exports = function (it) {\n  return IObject(defined(it));\n};\n\n\n/***/ }),\n\n/***/ \"69a8\":\n/***/ (function(module, exports) {\n\nvar hasOwnProperty = {}.hasOwnProperty;\nmodule.exports = function (it, key) {\n  return hasOwnProperty.call(it, key);\n};\n\n\n/***/ }),\n\n/***/ \"6a99\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// 7.1.1 ToPrimitive(input [, PreferredType])\nvar isObject = __webpack_require__(\"d3f4\");\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function (it, S) {\n  if (!isObject(it)) return it;\n  var fn, val;\n  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;\n  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};\n\n\n/***/ }),\n\n/***/ \"6b4c\":\n/***/ (function(module, exports) {\n\nvar toString = {}.toString;\n\nmodule.exports = function (it) {\n  return toString.call(it).slice(8, -1);\n};\n\n\n/***/ }),\n\n/***/ \"6c1c\":\n/***/ (function(module, exports, __webpack_require__) {\n\n__webpack_require__(\"c367\");\nvar global = __webpack_require__(\"e53d\");\nvar hide = __webpack_require__(\"35e8\");\nvar Iterators = __webpack_require__(\"481b\");\nvar TO_STRING_TAG = __webpack_require__(\"5168\")('toStringTag');\n\nvar DOMIterables = ('CSSRuleList,CSSStyleDeclaration,CSSValueList,ClientRectList,DOMRectList,DOMStringList,' +\n  'DOMTokenList,DataTransferItemList,FileList,HTMLAllCollection,HTMLCollection,HTMLFormElement,HTMLSelectElement,' +\n  'MediaList,MimeTypeArray,NamedNodeMap,NodeList,PaintRequestList,Plugin,PluginArray,SVGLengthList,SVGNumberList,' +\n  'SVGPathSegList,SVGPointList,SVGStringList,SVGTransformList,SourceBufferList,StyleSheetList,TextTrackCueList,' +\n  'TextTrackList,TouchList').split(',');\n\nfor (var i = 0; i < DOMIterables.length; i++) {\n  var NAME = DOMIterables[i];\n  var Collection = global[NAME];\n  var proto = Collection && Collection.prototype;\n  if (proto && !proto[TO_STRING_TAG]) hide(proto, TO_STRING_TAG, NAME);\n  Iterators[NAME] = Iterators.Array;\n}\n\n\n/***/ }),\n\n/***/ \"71c1\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar toInteger = __webpack_require__(\"3a38\");\nvar defined = __webpack_require__(\"25eb\");\n// true  -> String#at\n// false -> String#codePointAt\nmodule.exports = function (TO_STRING) {\n  return function (that, pos) {\n    var s = String(defined(that));\n    var i = toInteger(pos);\n    var l = s.length;\n    var a, b;\n    if (i < 0 || i >= l) return TO_STRING ? '' : undefined;\n    a = s.charCodeAt(i);\n    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff\n      ? TO_STRING ? s.charAt(i) : a\n      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;\n  };\n};\n\n\n/***/ }),\n\n/***/ \"7726\":\n/***/ (function(module, exports) {\n\n// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n  ? window : typeof self != 'undefined' && self.Math == Math ? self\n  // eslint-disable-next-line no-new-func\n  : Function('return this')();\nif (typeof __g == 'number') __g = global; // eslint-disable-line no-undef\n\n\n/***/ }),\n\n/***/ \"774e\":\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = __webpack_require__(\"d2d5\");\n\n/***/ }),\n\n/***/ \"77f1\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar toInteger = __webpack_require__(\"4588\");\nvar max = Math.max;\nvar min = Math.min;\nmodule.exports = function (index, length) {\n  index = toInteger(index);\n  return index < 0 ? max(index + length, 0) : min(index, length);\n};\n\n\n/***/ }),\n\n/***/ \"794b\":\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = !__webpack_require__(\"8e60\") && !__webpack_require__(\"294c\")(function () {\n  return Object.defineProperty(__webpack_require__(\"1ec9\")('div'), 'a', { get: function () { return 7; } }).a != 7;\n});\n\n\n/***/ }),\n\n/***/ \"79aa\":\n/***/ (function(module, exports) {\n\nmodule.exports = function (it) {\n  if (typeof it != 'function') throw TypeError(it + ' is not a function!');\n  return it;\n};\n\n\n/***/ }),\n\n/***/ \"79e5\":\n/***/ (function(module, exports) {\n\nmodule.exports = function (exec) {\n  try {\n    return !!exec();\n  } catch (e) {\n    return true;\n  }\n};\n\n\n/***/ }),\n\n/***/ \"7cd6\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar classof = __webpack_require__(\"40c3\");\nvar ITERATOR = __webpack_require__(\"5168\")('iterator');\nvar Iterators = __webpack_require__(\"481b\");\nmodule.exports = __webpack_require__(\"584a\").getIteratorMethod = function (it) {\n  if (it != undefined) return it[ITERATOR]\n    || it['@@iterator']\n    || Iterators[classof(it)];\n};\n\n\n/***/ }),\n\n/***/ \"7d7b\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar anObject = __webpack_require__(\"e4ae\");\nvar get = __webpack_require__(\"7cd6\");\nmodule.exports = __webpack_require__(\"584a\").getIterator = function (it) {\n  var iterFn = get(it);\n  if (typeof iterFn != 'function') throw TypeError(it + ' is not iterable!');\n  return anObject(iterFn.call(it));\n};\n\n\n/***/ }),\n\n/***/ \"7e90\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar dP = __webpack_require__(\"d9f6\");\nvar anObject = __webpack_require__(\"e4ae\");\nvar getKeys = __webpack_require__(\"c3a1\");\n\nmodule.exports = __webpack_require__(\"8e60\") ? Object.defineProperties : function defineProperties(O, Properties) {\n  anObject(O);\n  var keys = getKeys(Properties);\n  var length = keys.length;\n  var i = 0;\n  var P;\n  while (length > i) dP.f(O, P = keys[i++], Properties[P]);\n  return O;\n};\n\n\n/***/ }),\n\n/***/ \"8378\":\n/***/ (function(module, exports) {\n\nvar core = module.exports = { version: '2.6.5' };\nif (typeof __e == 'number') __e = core; // eslint-disable-line no-undef\n\n\n/***/ }),\n\n/***/ \"8436\":\n/***/ (function(module, exports) {\n\nmodule.exports = function () { /* empty */ };\n\n\n/***/ }),\n\n/***/ \"86cc\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar anObject = __webpack_require__(\"cb7c\");\nvar IE8_DOM_DEFINE = __webpack_require__(\"c69a\");\nvar toPrimitive = __webpack_require__(\"6a99\");\nvar dP = Object.defineProperty;\n\nexports.f = __webpack_require__(\"9e1e\") ? Object.defineProperty : function defineProperty(O, P, Attributes) {\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if (IE8_DOM_DEFINE) try {\n    return dP(O, P, Attributes);\n  } catch (e) { /* empty */ }\n  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');\n  if ('value' in Attributes) O[P] = Attributes.value;\n  return O;\n};\n\n\n/***/ }),\n\n/***/ \"8aae\":\n/***/ (function(module, exports, __webpack_require__) {\n\n__webpack_require__(\"32a6\");\nmodule.exports = __webpack_require__(\"584a\").Object.keys;\n\n\n/***/ }),\n\n/***/ \"8e60\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// Thank's IE8 for his funny defineProperty\nmodule.exports = !__webpack_require__(\"294c\")(function () {\n  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;\n});\n\n\n/***/ }),\n\n/***/ \"8f60\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar create = __webpack_require__(\"a159\");\nvar descriptor = __webpack_require__(\"aebd\");\nvar setToStringTag = __webpack_require__(\"45f2\");\nvar IteratorPrototype = {};\n\n// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()\n__webpack_require__(\"35e8\")(IteratorPrototype, __webpack_require__(\"5168\")('iterator'), function () { return this; });\n\nmodule.exports = function (Constructor, NAME, next) {\n  Constructor.prototype = create(IteratorPrototype, { next: descriptor(1, next) });\n  setToStringTag(Constructor, NAME + ' Iterator');\n};\n\n\n/***/ }),\n\n/***/ \"9003\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// 7.2.2 IsArray(argument)\nvar cof = __webpack_require__(\"6b4c\");\nmodule.exports = Array.isArray || function isArray(arg) {\n  return cof(arg) == 'Array';\n};\n\n\n/***/ }),\n\n/***/ \"9138\":\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = __webpack_require__(\"35e8\");\n\n\n/***/ }),\n\n/***/ \"9306\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n// 19.1.2.1 Object.assign(target, source, ...)\nvar getKeys = __webpack_require__(\"c3a1\");\nvar gOPS = __webpack_require__(\"9aa9\");\nvar pIE = __webpack_require__(\"355d\");\nvar toObject = __webpack_require__(\"241e\");\nvar IObject = __webpack_require__(\"335c\");\nvar $assign = Object.assign;\n\n// should work with symbols and should have deterministic property order (V8 bug)\nmodule.exports = !$assign || __webpack_require__(\"294c\")(function () {\n  var A = {};\n  var B = {};\n  // eslint-disable-next-line no-undef\n  var S = Symbol();\n  var K = 'abcdefghijklmnopqrst';\n  A[S] = 7;\n  K.split('').forEach(function (k) { B[k] = k; });\n  return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;\n}) ? function assign(target, source) { // eslint-disable-line no-unused-vars\n  var T = toObject(target);\n  var aLen = arguments.length;\n  var index = 1;\n  var getSymbols = gOPS.f;\n  var isEnum = pIE.f;\n  while (aLen > index) {\n    var S = IObject(arguments[index++]);\n    var keys = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S);\n    var length = keys.length;\n    var j = 0;\n    var key;\n    while (length > j) if (isEnum.call(S, key = keys[j++])) T[key] = S[key];\n  } return T;\n} : $assign;\n\n\n/***/ }),\n\n/***/ \"9427\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar $export = __webpack_require__(\"63b6\");\n// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\n$export($export.S, 'Object', { create: __webpack_require__(\"a159\") });\n\n\n/***/ }),\n\n/***/ \"95d5\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar classof = __webpack_require__(\"40c3\");\nvar ITERATOR = __webpack_require__(\"5168\")('iterator');\nvar Iterators = __webpack_require__(\"481b\");\nmodule.exports = __webpack_require__(\"584a\").isIterable = function (it) {\n  var O = Object(it);\n  return O[ITERATOR] !== undefined\n    || '@@iterator' in O\n    // eslint-disable-next-line no-prototype-builtins\n    || Iterators.hasOwnProperty(classof(O));\n};\n\n\n/***/ }),\n\n/***/ \"9aa9\":\n/***/ (function(module, exports) {\n\nexports.f = Object.getOwnPropertySymbols;\n\n\n/***/ }),\n\n/***/ \"9b43\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// optional / simple context binding\nvar aFunction = __webpack_require__(\"d8e8\");\nmodule.exports = function (fn, that, length) {\n  aFunction(fn);\n  if (that === undefined) return fn;\n  switch (length) {\n    case 1: return function (a) {\n      return fn.call(that, a);\n    };\n    case 2: return function (a, b) {\n      return fn.call(that, a, b);\n    };\n    case 3: return function (a, b, c) {\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function (/* ...args */) {\n    return fn.apply(that, arguments);\n  };\n};\n\n\n/***/ }),\n\n/***/ \"9c6c\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// 22.1.3.31 Array.prototype[@@unscopables]\nvar UNSCOPABLES = __webpack_require__(\"2b4c\")('unscopables');\nvar ArrayProto = Array.prototype;\nif (ArrayProto[UNSCOPABLES] == undefined) __webpack_require__(\"32e9\")(ArrayProto, UNSCOPABLES, {});\nmodule.exports = function (key) {\n  ArrayProto[UNSCOPABLES][key] = true;\n};\n\n\n/***/ }),\n\n/***/ \"9def\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// 7.1.15 ToLength\nvar toInteger = __webpack_require__(\"4588\");\nvar min = Math.min;\nmodule.exports = function (it) {\n  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991\n};\n\n\n/***/ }),\n\n/***/ \"9e1e\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// Thank's IE8 for his funny defineProperty\nmodule.exports = !__webpack_require__(\"79e5\")(function () {\n  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;\n});\n\n\n/***/ }),\n\n/***/ \"a159\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\nvar anObject = __webpack_require__(\"e4ae\");\nvar dPs = __webpack_require__(\"7e90\");\nvar enumBugKeys = __webpack_require__(\"1691\");\nvar IE_PROTO = __webpack_require__(\"5559\")('IE_PROTO');\nvar Empty = function () { /* empty */ };\nvar PROTOTYPE = 'prototype';\n\n// Create object with fake `null` prototype: use iframe Object with cleared prototype\nvar createDict = function () {\n  // Thrash, waste and sodomy: IE GC bug\n  var iframe = __webpack_require__(\"1ec9\")('iframe');\n  var i = enumBugKeys.length;\n  var lt = '<';\n  var gt = '>';\n  var iframeDocument;\n  iframe.style.display = 'none';\n  __webpack_require__(\"32fc\").appendChild(iframe);\n  iframe.src = 'javascript:'; // eslint-disable-line no-script-url\n  // createDict = iframe.contentWindow.Object;\n  // html.removeChild(iframe);\n  iframeDocument = iframe.contentWindow.document;\n  iframeDocument.open();\n  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);\n  iframeDocument.close();\n  createDict = iframeDocument.F;\n  while (i--) delete createDict[PROTOTYPE][enumBugKeys[i]];\n  return createDict();\n};\n\nmodule.exports = Object.create || function create(O, Properties) {\n  var result;\n  if (O !== null) {\n    Empty[PROTOTYPE] = anObject(O);\n    result = new Empty();\n    Empty[PROTOTYPE] = null;\n    // add \"__proto__\" for Object.getPrototypeOf polyfill\n    result[IE_PROTO] = O;\n  } else result = createDict();\n  return Properties === undefined ? result : dPs(result, Properties);\n};\n\n\n/***/ }),\n\n/***/ \"a352\":\n/***/ (function(module, exports) {\n\nmodule.exports = __webpack_require__(/*! sortablejs */ \"./node_modules/sortablejs/modular/sortable.esm.js\");\n\n/***/ }),\n\n/***/ \"a3c3\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// 19.1.3.1 Object.assign(target, source)\nvar $export = __webpack_require__(\"63b6\");\n\n$export($export.S + $export.F, 'Object', { assign: __webpack_require__(\"9306\") });\n\n\n/***/ }),\n\n/***/ \"a481\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar anObject = __webpack_require__(\"cb7c\");\nvar toObject = __webpack_require__(\"4bf8\");\nvar toLength = __webpack_require__(\"9def\");\nvar toInteger = __webpack_require__(\"4588\");\nvar advanceStringIndex = __webpack_require__(\"0390\");\nvar regExpExec = __webpack_require__(\"5f1b\");\nvar max = Math.max;\nvar min = Math.min;\nvar floor = Math.floor;\nvar SUBSTITUTION_SYMBOLS = /\\$([$&`']|\\d\\d?|<[^>]*>)/g;\nvar SUBSTITUTION_SYMBOLS_NO_NAMED = /\\$([$&`']|\\d\\d?)/g;\n\nvar maybeToString = function (it) {\n  return it === undefined ? it : String(it);\n};\n\n// @@replace logic\n__webpack_require__(\"214f\")('replace', 2, function (defined, REPLACE, $replace, maybeCallNative) {\n  return [\n    // `String.prototype.replace` method\n    // https://tc39.github.io/ecma262/#sec-string.prototype.replace\n    function replace(searchValue, replaceValue) {\n      var O = defined(this);\n      var fn = searchValue == undefined ? undefined : searchValue[REPLACE];\n      return fn !== undefined\n        ? fn.call(searchValue, O, replaceValue)\n        : $replace.call(String(O), searchValue, replaceValue);\n    },\n    // `RegExp.prototype[@@replace]` method\n    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@replace\n    function (regexp, replaceValue) {\n      var res = maybeCallNative($replace, regexp, this, replaceValue);\n      if (res.done) return res.value;\n\n      var rx = anObject(regexp);\n      var S = String(this);\n      var functionalReplace = typeof replaceValue === 'function';\n      if (!functionalReplace) replaceValue = String(replaceValue);\n      var global = rx.global;\n      if (global) {\n        var fullUnicode = rx.unicode;\n        rx.lastIndex = 0;\n      }\n      var results = [];\n      while (true) {\n        var result = regExpExec(rx, S);\n        if (result === null) break;\n        results.push(result);\n        if (!global) break;\n        var matchStr = String(result[0]);\n        if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);\n      }\n      var accumulatedResult = '';\n      var nextSourcePosition = 0;\n      for (var i = 0; i < results.length; i++) {\n        result = results[i];\n        var matched = String(result[0]);\n        var position = max(min(toInteger(result.index), S.length), 0);\n        var captures = [];\n        // NOTE: This is equivalent to\n        //   captures = result.slice(1).map(maybeToString)\n        // but for some reason `nativeSlice.call(result, 1, result.length)` (called in\n        // the slice polyfill when slicing native arrays) \"doesn't work\" in safari 9 and\n        // causes a crash (https://pastebin.com/N21QzeQA) when trying to debug it.\n        for (var j = 1; j < result.length; j++) captures.push(maybeToString(result[j]));\n        var namedCaptures = result.groups;\n        if (functionalReplace) {\n          var replacerArgs = [matched].concat(captures, position, S);\n          if (namedCaptures !== undefined) replacerArgs.push(namedCaptures);\n          var replacement = String(replaceValue.apply(undefined, replacerArgs));\n        } else {\n          replacement = getSubstitution(matched, S, position, captures, namedCaptures, replaceValue);\n        }\n        if (position >= nextSourcePosition) {\n          accumulatedResult += S.slice(nextSourcePosition, position) + replacement;\n          nextSourcePosition = position + matched.length;\n        }\n      }\n      return accumulatedResult + S.slice(nextSourcePosition);\n    }\n  ];\n\n    // https://tc39.github.io/ecma262/#sec-getsubstitution\n  function getSubstitution(matched, str, position, captures, namedCaptures, replacement) {\n    var tailPos = position + matched.length;\n    var m = captures.length;\n    var symbols = SUBSTITUTION_SYMBOLS_NO_NAMED;\n    if (namedCaptures !== undefined) {\n      namedCaptures = toObject(namedCaptures);\n      symbols = SUBSTITUTION_SYMBOLS;\n    }\n    return $replace.call(replacement, symbols, function (match, ch) {\n      var capture;\n      switch (ch.charAt(0)) {\n        case '$': return '$';\n        case '&': return matched;\n        case '`': return str.slice(0, position);\n        case \"'\": return str.slice(tailPos);\n        case '<':\n          capture = namedCaptures[ch.slice(1, -1)];\n          break;\n        default: // \\d\\d?\n          var n = +ch;\n          if (n === 0) return match;\n          if (n > m) {\n            var f = floor(n / 10);\n            if (f === 0) return match;\n            if (f <= m) return captures[f - 1] === undefined ? ch.charAt(1) : captures[f - 1] + ch.charAt(1);\n            return match;\n          }\n          capture = captures[n - 1];\n      }\n      return capture === undefined ? '' : capture;\n    });\n  }\n});\n\n\n/***/ }),\n\n/***/ \"a4bb\":\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = __webpack_require__(\"8aae\");\n\n/***/ }),\n\n/***/ \"a745\":\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = __webpack_require__(\"f410\");\n\n/***/ }),\n\n/***/ \"aae3\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// 7.2.8 IsRegExp(argument)\nvar isObject = __webpack_require__(\"d3f4\");\nvar cof = __webpack_require__(\"2d95\");\nvar MATCH = __webpack_require__(\"2b4c\")('match');\nmodule.exports = function (it) {\n  var isRegExp;\n  return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : cof(it) == 'RegExp');\n};\n\n\n/***/ }),\n\n/***/ \"aebd\":\n/***/ (function(module, exports) {\n\nmodule.exports = function (bitmap, value) {\n  return {\n    enumerable: !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable: !(bitmap & 4),\n    value: value\n  };\n};\n\n\n/***/ }),\n\n/***/ \"b0c5\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar regexpExec = __webpack_require__(\"520a\");\n__webpack_require__(\"5ca1\")({\n  target: 'RegExp',\n  proto: true,\n  forced: regexpExec !== /./.exec\n}, {\n  exec: regexpExec\n});\n\n\n/***/ }),\n\n/***/ \"b0dc\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// call something on iterator step with safe closing on error\nvar anObject = __webpack_require__(\"e4ae\");\nmodule.exports = function (iterator, fn, value, entries) {\n  try {\n    return entries ? fn(anObject(value)[0], value[1]) : fn(value);\n  // 7.4.6 IteratorClose(iterator, completion)\n  } catch (e) {\n    var ret = iterator['return'];\n    if (ret !== undefined) anObject(ret.call(iterator));\n    throw e;\n  }\n};\n\n\n/***/ }),\n\n/***/ \"b447\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// 7.1.15 ToLength\nvar toInteger = __webpack_require__(\"3a38\");\nvar min = Math.min;\nmodule.exports = function (it) {\n  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991\n};\n\n\n/***/ }),\n\n/***/ \"b8e3\":\n/***/ (function(module, exports) {\n\nmodule.exports = true;\n\n\n/***/ }),\n\n/***/ \"be13\":\n/***/ (function(module, exports) {\n\n// 7.2.1 RequireObjectCoercible(argument)\nmodule.exports = function (it) {\n  if (it == undefined) throw TypeError(\"Can't call method on  \" + it);\n  return it;\n};\n\n\n/***/ }),\n\n/***/ \"c366\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// false -> Array#indexOf\n// true  -> Array#includes\nvar toIObject = __webpack_require__(\"6821\");\nvar toLength = __webpack_require__(\"9def\");\nvar toAbsoluteIndex = __webpack_require__(\"77f1\");\nmodule.exports = function (IS_INCLUDES) {\n  return function ($this, el, fromIndex) {\n    var O = toIObject($this);\n    var length = toLength(O.length);\n    var index = toAbsoluteIndex(fromIndex, length);\n    var value;\n    // Array#includes uses SameValueZero equality algorithm\n    // eslint-disable-next-line no-self-compare\n    if (IS_INCLUDES && el != el) while (length > index) {\n      value = O[index++];\n      // eslint-disable-next-line no-self-compare\n      if (value != value) return true;\n    // Array#indexOf ignores holes, Array#includes - not\n    } else for (;length > index; index++) if (IS_INCLUDES || index in O) {\n      if (O[index] === el) return IS_INCLUDES || index || 0;\n    } return !IS_INCLUDES && -1;\n  };\n};\n\n\n/***/ }),\n\n/***/ \"c367\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar addToUnscopables = __webpack_require__(\"8436\");\nvar step = __webpack_require__(\"50ed\");\nvar Iterators = __webpack_require__(\"481b\");\nvar toIObject = __webpack_require__(\"36c3\");\n\n// 22.1.3.4 Array.prototype.entries()\n// 22.1.3.13 Array.prototype.keys()\n// 22.1.3.29 Array.prototype.values()\n// 22.1.3.30 Array.prototype[@@iterator]()\nmodule.exports = __webpack_require__(\"30f1\")(Array, 'Array', function (iterated, kind) {\n  this._t = toIObject(iterated); // target\n  this._i = 0;                   // next index\n  this._k = kind;                // kind\n// 22.1.5.2.1 %ArrayIteratorPrototype%.next()\n}, function () {\n  var O = this._t;\n  var kind = this._k;\n  var index = this._i++;\n  if (!O || index >= O.length) {\n    this._t = undefined;\n    return step(1);\n  }\n  if (kind == 'keys') return step(0, index);\n  if (kind == 'values') return step(0, O[index]);\n  return step(0, [index, O[index]]);\n}, 'values');\n\n// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)\nIterators.Arguments = Iterators.Array;\n\naddToUnscopables('keys');\naddToUnscopables('values');\naddToUnscopables('entries');\n\n\n/***/ }),\n\n/***/ \"c3a1\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// 19.1.2.14 / 15.2.3.14 Object.keys(O)\nvar $keys = __webpack_require__(\"e6f3\");\nvar enumBugKeys = __webpack_require__(\"1691\");\n\nmodule.exports = Object.keys || function keys(O) {\n  return $keys(O, enumBugKeys);\n};\n\n\n/***/ }),\n\n/***/ \"c649\":\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* WEBPACK VAR INJECTION */(function(global) {/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"c\", function() { return insertNodeAt; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"a\", function() { return camelize; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"b\", function() { return console; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"d\", function() { return removeNode; });\n/* harmony import */ var core_js_modules_es6_regexp_replace__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(\"a481\");\n/* harmony import */ var core_js_modules_es6_regexp_replace__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(core_js_modules_es6_regexp_replace__WEBPACK_IMPORTED_MODULE_0__);\n/* harmony import */ var F_source_Vue_Draggable_node_modules_babel_runtime_corejs2_core_js_object_create__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(\"4aa6\");\n/* harmony import */ var F_source_Vue_Draggable_node_modules_babel_runtime_corejs2_core_js_object_create__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(F_source_Vue_Draggable_node_modules_babel_runtime_corejs2_core_js_object_create__WEBPACK_IMPORTED_MODULE_1__);\n\n\n\nfunction getConsole() {\n  if (typeof window !== \"undefined\") {\n    return window.console;\n  }\n\n  return global.console;\n}\n\nvar console = getConsole();\n\nfunction cached(fn) {\n  var cache = F_source_Vue_Draggable_node_modules_babel_runtime_corejs2_core_js_object_create__WEBPACK_IMPORTED_MODULE_1___default()(null);\n\n  return function cachedFn(str) {\n    var hit = cache[str];\n    return hit || (cache[str] = fn(str));\n  };\n}\n\nvar regex = /-(\\w)/g;\nvar camelize = cached(function (str) {\n  return str.replace(regex, function (_, c) {\n    return c ? c.toUpperCase() : \"\";\n  });\n});\n\nfunction removeNode(node) {\n  if (node.parentElement !== null) {\n    node.parentElement.removeChild(node);\n  }\n}\n\nfunction insertNodeAt(fatherNode, node, position) {\n  var refNode = position === 0 ? fatherNode.children[0] : fatherNode.children[position - 1].nextSibling;\n  fatherNode.insertBefore(node, refNode);\n}\n\n\n/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(\"c8ba\")))\n\n/***/ }),\n\n/***/ \"c69a\":\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = !__webpack_require__(\"9e1e\") && !__webpack_require__(\"79e5\")(function () {\n  return Object.defineProperty(__webpack_require__(\"230e\")('div'), 'a', { get: function () { return 7; } }).a != 7;\n});\n\n\n/***/ }),\n\n/***/ \"c8ba\":\n/***/ (function(module, exports) {\n\nvar g;\n\n// This works in non-strict mode\ng = (function() {\n\treturn this;\n})();\n\ntry {\n\t// This works if eval is allowed (see CSP)\n\tg = g || new Function(\"return this\")();\n} catch (e) {\n\t// This works if the window reference is available\n\tif (typeof window === \"object\") g = window;\n}\n\n// g can still be undefined, but nothing to do about it...\n// We return undefined, instead of nothing here, so it's\n// easier to handle this case. if(!global) { ...}\n\nmodule.exports = g;\n\n\n/***/ }),\n\n/***/ \"c8bb\":\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = __webpack_require__(\"54a1\");\n\n/***/ }),\n\n/***/ \"ca5a\":\n/***/ (function(module, exports) {\n\nvar id = 0;\nvar px = Math.random();\nmodule.exports = function (key) {\n  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));\n};\n\n\n/***/ }),\n\n/***/ \"cb7c\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar isObject = __webpack_require__(\"d3f4\");\nmodule.exports = function (it) {\n  if (!isObject(it)) throw TypeError(it + ' is not an object!');\n  return it;\n};\n\n\n/***/ }),\n\n/***/ \"ce7e\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// most Object methods by ES6 should accept primitives\nvar $export = __webpack_require__(\"63b6\");\nvar core = __webpack_require__(\"584a\");\nvar fails = __webpack_require__(\"294c\");\nmodule.exports = function (KEY, exec) {\n  var fn = (core.Object || {})[KEY] || Object[KEY];\n  var exp = {};\n  exp[KEY] = exec(fn);\n  $export($export.S + $export.F * fails(function () { fn(1); }), 'Object', exp);\n};\n\n\n/***/ }),\n\n/***/ \"d2c8\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// helper for String#{startsWith, endsWith, includes}\nvar isRegExp = __webpack_require__(\"aae3\");\nvar defined = __webpack_require__(\"be13\");\n\nmodule.exports = function (that, searchString, NAME) {\n  if (isRegExp(searchString)) throw TypeError('String#' + NAME + \" doesn't accept regex!\");\n  return String(defined(that));\n};\n\n\n/***/ }),\n\n/***/ \"d2d5\":\n/***/ (function(module, exports, __webpack_require__) {\n\n__webpack_require__(\"1654\");\n__webpack_require__(\"549b\");\nmodule.exports = __webpack_require__(\"584a\").Array.from;\n\n\n/***/ }),\n\n/***/ \"d3f4\":\n/***/ (function(module, exports) {\n\nmodule.exports = function (it) {\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n\n\n/***/ }),\n\n/***/ \"d864\":\n/***/ (function(module, exports, __webpack_require__) {\n\n// optional / simple context binding\nvar aFunction = __webpack_require__(\"79aa\");\nmodule.exports = function (fn, that, length) {\n  aFunction(fn);\n  if (that === undefined) return fn;\n  switch (length) {\n    case 1: return function (a) {\n      return fn.call(that, a);\n    };\n    case 2: return function (a, b) {\n      return fn.call(that, a, b);\n    };\n    case 3: return function (a, b, c) {\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function (/* ...args */) {\n    return fn.apply(that, arguments);\n  };\n};\n\n\n/***/ }),\n\n/***/ \"d8e8\":\n/***/ (function(module, exports) {\n\nmodule.exports = function (it) {\n  if (typeof it != 'function') throw TypeError(it + ' is not a function!');\n  return it;\n};\n\n\n/***/ }),\n\n/***/ \"d9f6\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar anObject = __webpack_require__(\"e4ae\");\nvar IE8_DOM_DEFINE = __webpack_require__(\"794b\");\nvar toPrimitive = __webpack_require__(\"1bc3\");\nvar dP = Object.defineProperty;\n\nexports.f = __webpack_require__(\"8e60\") ? Object.defineProperty : function defineProperty(O, P, Attributes) {\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if (IE8_DOM_DEFINE) try {\n    return dP(O, P, Attributes);\n  } catch (e) { /* empty */ }\n  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');\n  if ('value' in Attributes) O[P] = Attributes.value;\n  return O;\n};\n\n\n/***/ }),\n\n/***/ \"dbdb\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar core = __webpack_require__(\"584a\");\nvar global = __webpack_require__(\"e53d\");\nvar SHARED = '__core-js_shared__';\nvar store = global[SHARED] || (global[SHARED] = {});\n\n(module.exports = function (key, value) {\n  return store[key] || (store[key] = value !== undefined ? value : {});\n})('versions', []).push({\n  version: core.version,\n  mode: __webpack_require__(\"b8e3\") ? 'pure' : 'global',\n  copyright: '© 2019 Denis Pushkarev (zloirock.ru)'\n});\n\n\n/***/ }),\n\n/***/ \"dc62\":\n/***/ (function(module, exports, __webpack_require__) {\n\n__webpack_require__(\"9427\");\nvar $Object = __webpack_require__(\"584a\").Object;\nmodule.exports = function create(P, D) {\n  return $Object.create(P, D);\n};\n\n\n/***/ }),\n\n/***/ \"e4ae\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar isObject = __webpack_require__(\"f772\");\nmodule.exports = function (it) {\n  if (!isObject(it)) throw TypeError(it + ' is not an object!');\n  return it;\n};\n\n\n/***/ }),\n\n/***/ \"e53d\":\n/***/ (function(module, exports) {\n\n// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n  ? window : typeof self != 'undefined' && self.Math == Math ? self\n  // eslint-disable-next-line no-new-func\n  : Function('return this')();\nif (typeof __g == 'number') __g = global; // eslint-disable-line no-undef\n\n\n/***/ }),\n\n/***/ \"e6f3\":\n/***/ (function(module, exports, __webpack_require__) {\n\nvar has = __webpack_require__(\"07e3\");\nvar toIObject = __webpack_require__(\"36c3\");\nvar arrayIndexOf = __webpack_require__(\"5b4e\")(false);\nvar IE_PROTO = __webpack_require__(\"5559\")('IE_PROTO');\n\nmodule.exports = function (object, names) {\n  var O = toIObject(object);\n  var i = 0;\n  var result = [];\n  var key;\n  for (key in O) if (key != IE_PROTO) has(O, key) && result.push(key);\n  // Don't enum bug & hidden keys\n  while (names.length > i) if (has(O, key = names[i++])) {\n    ~arrayIndexOf(result, key) || result.push(key);\n  }\n  return result;\n};\n\n\n/***/ }),\n\n/***/ \"f410\":\n/***/ (function(module, exports, __webpack_require__) {\n\n__webpack_require__(\"1af6\");\nmodule.exports = __webpack_require__(\"584a\").Array.isArray;\n\n\n/***/ }),\n\n/***/ \"f559\":\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n// 21.1.3.18 String.prototype.startsWith(searchString [, position ])\n\nvar $export = __webpack_require__(\"5ca1\");\nvar toLength = __webpack_require__(\"9def\");\nvar context = __webpack_require__(\"d2c8\");\nvar STARTS_WITH = 'startsWith';\nvar $startsWith = ''[STARTS_WITH];\n\n$export($export.P + $export.F * __webpack_require__(\"5147\")(STARTS_WITH), 'String', {\n  startsWith: function startsWith(searchString /* , position = 0 */) {\n    var that = context(this, searchString, STARTS_WITH);\n    var index = toLength(Math.min(arguments.length > 1 ? arguments[1] : undefined, that.length));\n    var search = String(searchString);\n    return $startsWith\n      ? $startsWith.call(that, search, index)\n      : that.slice(index, index + search.length) === search;\n  }\n});\n\n\n/***/ }),\n\n/***/ \"f772\":\n/***/ (function(module, exports) {\n\nmodule.exports = function (it) {\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n\n\n/***/ }),\n\n/***/ \"fa5b\":\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = __webpack_require__(\"5537\")('native-function-to-string', Function.toString);\n\n\n/***/ }),\n\n/***/ \"fb15\":\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n__webpack_require__.r(__webpack_exports__);\n\n// CONCATENATED MODULE: ./node_modules/@vue/cli-service/lib/commands/build/setPublicPath.js\n// This file is imported into lib/wc client bundles.\n\nif (typeof window !== 'undefined') {\n  var setPublicPath_i\n  if ((setPublicPath_i = window.document.currentScript) && (setPublicPath_i = setPublicPath_i.src.match(/(.+\\/)[^/]+\\.js(\\?.*)?$/))) {\n    __webpack_require__.p = setPublicPath_i[1] // eslint-disable-line\n  }\n}\n\n// Indicate to webpack that this file can be concatenated\n/* harmony default export */ var setPublicPath = (null);\n\n// EXTERNAL MODULE: ./node_modules/@babel/runtime-corejs2/core-js/object/assign.js\nvar object_assign = __webpack_require__(\"5176\");\nvar assign_default = /*#__PURE__*/__webpack_require__.n(object_assign);\n\n// EXTERNAL MODULE: ./node_modules/core-js/modules/es6.string.starts-with.js\nvar es6_string_starts_with = __webpack_require__(\"f559\");\n\n// EXTERNAL MODULE: ./node_modules/@babel/runtime-corejs2/core-js/object/keys.js\nvar keys = __webpack_require__(\"a4bb\");\nvar keys_default = /*#__PURE__*/__webpack_require__.n(keys);\n\n// EXTERNAL MODULE: ./node_modules/@babel/runtime-corejs2/core-js/array/is-array.js\nvar is_array = __webpack_require__(\"a745\");\nvar is_array_default = /*#__PURE__*/__webpack_require__.n(is_array);\n\n// CONCATENATED MODULE: ./node_modules/@babel/runtime-corejs2/helpers/esm/arrayWithHoles.js\n\nfunction _arrayWithHoles(arr) {\n  if (is_array_default()(arr)) return arr;\n}\n// EXTERNAL MODULE: ./node_modules/@babel/runtime-corejs2/core-js/get-iterator.js\nvar get_iterator = __webpack_require__(\"5d73\");\nvar get_iterator_default = /*#__PURE__*/__webpack_require__.n(get_iterator);\n\n// CONCATENATED MODULE: ./node_modules/@babel/runtime-corejs2/helpers/esm/iterableToArrayLimit.js\n\nfunction _iterableToArrayLimit(arr, i) {\n  var _arr = [];\n  var _n = true;\n  var _d = false;\n  var _e = undefined;\n\n  try {\n    for (var _i = get_iterator_default()(arr), _s; !(_n = (_s = _i.next()).done); _n = true) {\n      _arr.push(_s.value);\n\n      if (i && _arr.length === i) break;\n    }\n  } catch (err) {\n    _d = true;\n    _e = err;\n  } finally {\n    try {\n      if (!_n && _i[\"return\"] != null) _i[\"return\"]();\n    } finally {\n      if (_d) throw _e;\n    }\n  }\n\n  return _arr;\n}\n// CONCATENATED MODULE: ./node_modules/@babel/runtime-corejs2/helpers/esm/nonIterableRest.js\nfunction _nonIterableRest() {\n  throw new TypeError(\"Invalid attempt to destructure non-iterable instance\");\n}\n// CONCATENATED MODULE: ./node_modules/@babel/runtime-corejs2/helpers/esm/slicedToArray.js\n\n\n\nfunction _slicedToArray(arr, i) {\n  return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();\n}\n// EXTERNAL MODULE: ./node_modules/core-js/modules/es7.array.includes.js\nvar es7_array_includes = __webpack_require__(\"6762\");\n\n// EXTERNAL MODULE: ./node_modules/core-js/modules/es6.string.includes.js\nvar es6_string_includes = __webpack_require__(\"2fdb\");\n\n// CONCATENATED MODULE: ./node_modules/@babel/runtime-corejs2/helpers/esm/arrayWithoutHoles.js\n\nfunction _arrayWithoutHoles(arr) {\n  if (is_array_default()(arr)) {\n    for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) {\n      arr2[i] = arr[i];\n    }\n\n    return arr2;\n  }\n}\n// EXTERNAL MODULE: ./node_modules/@babel/runtime-corejs2/core-js/array/from.js\nvar from = __webpack_require__(\"774e\");\nvar from_default = /*#__PURE__*/__webpack_require__.n(from);\n\n// EXTERNAL MODULE: ./node_modules/@babel/runtime-corejs2/core-js/is-iterable.js\nvar is_iterable = __webpack_require__(\"c8bb\");\nvar is_iterable_default = /*#__PURE__*/__webpack_require__.n(is_iterable);\n\n// CONCATENATED MODULE: ./node_modules/@babel/runtime-corejs2/helpers/esm/iterableToArray.js\n\n\nfunction _iterableToArray(iter) {\n  if (is_iterable_default()(Object(iter)) || Object.prototype.toString.call(iter) === \"[object Arguments]\") return from_default()(iter);\n}\n// CONCATENATED MODULE: ./node_modules/@babel/runtime-corejs2/helpers/esm/nonIterableSpread.js\nfunction _nonIterableSpread() {\n  throw new TypeError(\"Invalid attempt to spread non-iterable instance\");\n}\n// CONCATENATED MODULE: ./node_modules/@babel/runtime-corejs2/helpers/esm/toConsumableArray.js\n\n\n\nfunction _toConsumableArray(arr) {\n  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();\n}\n// EXTERNAL MODULE: external {\"commonjs\":\"sortablejs\",\"commonjs2\":\"sortablejs\",\"amd\":\"sortablejs\",\"root\":\"Sortable\"}\nvar external_commonjs_sortablejs_commonjs2_sortablejs_amd_sortablejs_root_Sortable_ = __webpack_require__(\"a352\");\nvar external_commonjs_sortablejs_commonjs2_sortablejs_amd_sortablejs_root_Sortable_default = /*#__PURE__*/__webpack_require__.n(external_commonjs_sortablejs_commonjs2_sortablejs_amd_sortablejs_root_Sortable_);\n\n// EXTERNAL MODULE: ./src/util/helper.js\nvar helper = __webpack_require__(\"c649\");\n\n// CONCATENATED MODULE: ./src/vuedraggable.js\n\n\n\n\n\n\n\n\n\n\nfunction buildAttribute(object, propName, value) {\n  if (value === undefined) {\n    return object;\n  }\n\n  object = object || {};\n  object[propName] = value;\n  return object;\n}\n\nfunction computeVmIndex(vnodes, element) {\n  return vnodes.map(function (elt) {\n    return elt.elm;\n  }).indexOf(element);\n}\n\nfunction _computeIndexes(slots, children, isTransition, footerOffset) {\n  if (!slots) {\n    return [];\n  }\n\n  var elmFromNodes = slots.map(function (elt) {\n    return elt.elm;\n  });\n  var footerIndex = children.length - footerOffset;\n\n  var rawIndexes = _toConsumableArray(children).map(function (elt, idx) {\n    return idx >= footerIndex ? elmFromNodes.length : elmFromNodes.indexOf(elt);\n  });\n\n  return isTransition ? rawIndexes.filter(function (ind) {\n    return ind !== -1;\n  }) : rawIndexes;\n}\n\nfunction emit(evtName, evtData) {\n  var _this = this;\n\n  this.$nextTick(function () {\n    return _this.$emit(evtName.toLowerCase(), evtData);\n  });\n}\n\nfunction delegateAndEmit(evtName) {\n  var _this2 = this;\n\n  return function (evtData) {\n    if (_this2.realList !== null) {\n      _this2[\"onDrag\" + evtName](evtData);\n    }\n\n    emit.call(_this2, evtName, evtData);\n  };\n}\n\nfunction isTransitionName(name) {\n  return [\"transition-group\", \"TransitionGroup\"].includes(name);\n}\n\nfunction vuedraggable_isTransition(slots) {\n  if (!slots || slots.length !== 1) {\n    return false;\n  }\n\n  var _slots = _slicedToArray(slots, 1),\n      componentOptions = _slots[0].componentOptions;\n\n  if (!componentOptions) {\n    return false;\n  }\n\n  return isTransitionName(componentOptions.tag);\n}\n\nfunction getSlot(slot, scopedSlot, key) {\n  return slot[key] || (scopedSlot[key] ? scopedSlot[key]() : undefined);\n}\n\nfunction computeChildrenAndOffsets(children, slot, scopedSlot) {\n  var headerOffset = 0;\n  var footerOffset = 0;\n  var header = getSlot(slot, scopedSlot, \"header\");\n\n  if (header) {\n    headerOffset = header.length;\n    children = children ? [].concat(_toConsumableArray(header), _toConsumableArray(children)) : _toConsumableArray(header);\n  }\n\n  var footer = getSlot(slot, scopedSlot, \"footer\");\n\n  if (footer) {\n    footerOffset = footer.length;\n    children = children ? [].concat(_toConsumableArray(children), _toConsumableArray(footer)) : _toConsumableArray(footer);\n  }\n\n  return {\n    children: children,\n    headerOffset: headerOffset,\n    footerOffset: footerOffset\n  };\n}\n\nfunction getComponentAttributes($attrs, componentData) {\n  var attributes = null;\n\n  var update = function update(name, value) {\n    attributes = buildAttribute(attributes, name, value);\n  };\n\n  var attrs = keys_default()($attrs).filter(function (key) {\n    return key === \"id\" || key.startsWith(\"data-\");\n  }).reduce(function (res, key) {\n    res[key] = $attrs[key];\n    return res;\n  }, {});\n\n  update(\"attrs\", attrs);\n\n  if (!componentData) {\n    return attributes;\n  }\n\n  var on = componentData.on,\n      props = componentData.props,\n      componentDataAttrs = componentData.attrs;\n  update(\"on\", on);\n  update(\"props\", props);\n\n  assign_default()(attributes.attrs, componentDataAttrs);\n\n  return attributes;\n}\n\nvar eventsListened = [\"Start\", \"Add\", \"Remove\", \"Update\", \"End\"];\nvar eventsToEmit = [\"Choose\", \"Unchoose\", \"Sort\", \"Filter\", \"Clone\"];\nvar readonlyProperties = [\"Move\"].concat(eventsListened, eventsToEmit).map(function (evt) {\n  return \"on\" + evt;\n});\nvar draggingElement = null;\nvar vuedraggable_props = {\n  options: Object,\n  list: {\n    type: Array,\n    required: false,\n    default: null\n  },\n  value: {\n    type: Array,\n    required: false,\n    default: null\n  },\n  noTransitionOnDrag: {\n    type: Boolean,\n    default: false\n  },\n  clone: {\n    type: Function,\n    default: function _default(original) {\n      return original;\n    }\n  },\n  element: {\n    type: String,\n    default: \"div\"\n  },\n  tag: {\n    type: String,\n    default: null\n  },\n  move: {\n    type: Function,\n    default: null\n  },\n  componentData: {\n    type: Object,\n    required: false,\n    default: null\n  }\n};\nvar draggableComponent = {\n  name: \"draggable\",\n  inheritAttrs: false,\n  props: vuedraggable_props,\n  data: function data() {\n    return {\n      transitionMode: false,\n      noneFunctionalComponentMode: false\n    };\n  },\n  render: function render(h) {\n    var slots = this.$slots.default;\n    this.transitionMode = vuedraggable_isTransition(slots);\n\n    var _computeChildrenAndOf = computeChildrenAndOffsets(slots, this.$slots, this.$scopedSlots),\n        children = _computeChildrenAndOf.children,\n        headerOffset = _computeChildrenAndOf.headerOffset,\n        footerOffset = _computeChildrenAndOf.footerOffset;\n\n    this.headerOffset = headerOffset;\n    this.footerOffset = footerOffset;\n    var attributes = getComponentAttributes(this.$attrs, this.componentData);\n    return h(this.getTag(), attributes, children);\n  },\n  created: function created() {\n    if (this.list !== null && this.value !== null) {\n      helper[\"b\" /* console */].error(\"Value and list props are mutually exclusive! Please set one or another.\");\n    }\n\n    if (this.element !== \"div\") {\n      helper[\"b\" /* console */].warn(\"Element props is deprecated please use tag props instead. See https://github.com/SortableJS/Vue.Draggable/blob/master/documentation/migrate.md#element-props\");\n    }\n\n    if (this.options !== undefined) {\n      helper[\"b\" /* console */].warn(\"Options props is deprecated, add sortable options directly as vue.draggable item, or use v-bind. See https://github.com/SortableJS/Vue.Draggable/blob/master/documentation/migrate.md#options-props\");\n    }\n  },\n  mounted: function mounted() {\n    var _this3 = this;\n\n    this.noneFunctionalComponentMode = this.getTag().toLowerCase() !== this.$el.nodeName.toLowerCase() && !this.getIsFunctional();\n\n    if (this.noneFunctionalComponentMode && this.transitionMode) {\n      throw new Error(\"Transition-group inside component is not supported. Please alter tag value or remove transition-group. Current tag value: \".concat(this.getTag()));\n    }\n\n    var optionsAdded = {};\n    eventsListened.forEach(function (elt) {\n      optionsAdded[\"on\" + elt] = delegateAndEmit.call(_this3, elt);\n    });\n    eventsToEmit.forEach(function (elt) {\n      optionsAdded[\"on\" + elt] = emit.bind(_this3, elt);\n    });\n\n    var attributes = keys_default()(this.$attrs).reduce(function (res, key) {\n      res[Object(helper[\"a\" /* camelize */])(key)] = _this3.$attrs[key];\n      return res;\n    }, {});\n\n    var options = assign_default()({}, this.options, attributes, optionsAdded, {\n      onMove: function onMove(evt, originalEvent) {\n        return _this3.onDragMove(evt, originalEvent);\n      }\n    });\n\n    !(\"draggable\" in options) && (options.draggable = \">*\");\n    this._sortable = new external_commonjs_sortablejs_commonjs2_sortablejs_amd_sortablejs_root_Sortable_default.a(this.rootContainer, options);\n    this.computeIndexes();\n  },\n  beforeDestroy: function beforeDestroy() {\n    if (this._sortable !== undefined) this._sortable.destroy();\n  },\n  computed: {\n    rootContainer: function rootContainer() {\n      return this.transitionMode ? this.$el.children[0] : this.$el;\n    },\n    realList: function realList() {\n      return this.list ? this.list : this.value;\n    }\n  },\n  watch: {\n    options: {\n      handler: function handler(newOptionValue) {\n        this.updateOptions(newOptionValue);\n      },\n      deep: true\n    },\n    $attrs: {\n      handler: function handler(newOptionValue) {\n        this.updateOptions(newOptionValue);\n      },\n      deep: true\n    },\n    realList: function realList() {\n      this.computeIndexes();\n    }\n  },\n  methods: {\n    getIsFunctional: function getIsFunctional() {\n      var fnOptions = this._vnode.fnOptions;\n      return fnOptions && fnOptions.functional;\n    },\n    getTag: function getTag() {\n      return this.tag || this.element;\n    },\n    updateOptions: function updateOptions(newOptionValue) {\n      for (var property in newOptionValue) {\n        var value = Object(helper[\"a\" /* camelize */])(property);\n\n        if (readonlyProperties.indexOf(value) === -1) {\n          this._sortable.option(value, newOptionValue[property]);\n        }\n      }\n    },\n    getChildrenNodes: function getChildrenNodes() {\n      if (this.noneFunctionalComponentMode) {\n        return this.$children[0].$slots.default;\n      }\n\n      var rawNodes = this.$slots.default;\n      return this.transitionMode ? rawNodes[0].child.$slots.default : rawNodes;\n    },\n    computeIndexes: function computeIndexes() {\n      var _this4 = this;\n\n      this.$nextTick(function () {\n        _this4.visibleIndexes = _computeIndexes(_this4.getChildrenNodes(), _this4.rootContainer.children, _this4.transitionMode, _this4.footerOffset);\n      });\n    },\n    getUnderlyingVm: function getUnderlyingVm(htmlElt) {\n      var index = computeVmIndex(this.getChildrenNodes() || [], htmlElt);\n\n      if (index === -1) {\n        //Edge case during move callback: related element might be\n        //an element different from collection\n        return null;\n      }\n\n      var element = this.realList[index];\n      return {\n        index: index,\n        element: element\n      };\n    },\n    getUnderlyingPotencialDraggableComponent: function getUnderlyingPotencialDraggableComponent(_ref) {\n      var vue = _ref.__vue__;\n\n      if (!vue || !vue.$options || !isTransitionName(vue.$options._componentTag)) {\n        if (!(\"realList\" in vue) && vue.$children.length === 1 && \"realList\" in vue.$children[0]) return vue.$children[0];\n        return vue;\n      }\n\n      return vue.$parent;\n    },\n    emitChanges: function emitChanges(evt) {\n      var _this5 = this;\n\n      this.$nextTick(function () {\n        _this5.$emit(\"change\", evt);\n      });\n    },\n    alterList: function alterList(onList) {\n      if (this.list) {\n        onList(this.list);\n        return;\n      }\n\n      var newList = _toConsumableArray(this.value);\n\n      onList(newList);\n      this.$emit(\"input\", newList);\n    },\n    spliceList: function spliceList() {\n      var _arguments = arguments;\n\n      var spliceList = function spliceList(list) {\n        return list.splice.apply(list, _toConsumableArray(_arguments));\n      };\n\n      this.alterList(spliceList);\n    },\n    updatePosition: function updatePosition(oldIndex, newIndex) {\n      var updatePosition = function updatePosition(list) {\n        return list.splice(newIndex, 0, list.splice(oldIndex, 1)[0]);\n      };\n\n      this.alterList(updatePosition);\n    },\n    getRelatedContextFromMoveEvent: function getRelatedContextFromMoveEvent(_ref2) {\n      var to = _ref2.to,\n          related = _ref2.related;\n      var component = this.getUnderlyingPotencialDraggableComponent(to);\n\n      if (!component) {\n        return {\n          component: component\n        };\n      }\n\n      var list = component.realList;\n      var context = {\n        list: list,\n        component: component\n      };\n\n      if (to !== related && list && component.getUnderlyingVm) {\n        var destination = component.getUnderlyingVm(related);\n\n        if (destination) {\n          return assign_default()(destination, context);\n        }\n      }\n\n      return context;\n    },\n    getVmIndex: function getVmIndex(domIndex) {\n      var indexes = this.visibleIndexes;\n      var numberIndexes = indexes.length;\n      return domIndex > numberIndexes - 1 ? numberIndexes : indexes[domIndex];\n    },\n    getComponent: function getComponent() {\n      return this.$slots.default[0].componentInstance;\n    },\n    resetTransitionData: function resetTransitionData(index) {\n      if (!this.noTransitionOnDrag || !this.transitionMode) {\n        return;\n      }\n\n      var nodes = this.getChildrenNodes();\n      nodes[index].data = null;\n      var transitionContainer = this.getComponent();\n      transitionContainer.children = [];\n      transitionContainer.kept = undefined;\n    },\n    onDragStart: function onDragStart(evt) {\n      this.context = this.getUnderlyingVm(evt.item);\n      evt.item._underlying_vm_ = this.clone(this.context.element);\n      draggingElement = evt.item;\n    },\n    onDragAdd: function onDragAdd(evt) {\n      var element = evt.item._underlying_vm_;\n\n      if (element === undefined) {\n        return;\n      }\n\n      Object(helper[\"d\" /* removeNode */])(evt.item);\n      var newIndex = this.getVmIndex(evt.newIndex);\n      this.spliceList(newIndex, 0, element);\n      this.computeIndexes();\n      var added = {\n        element: element,\n        newIndex: newIndex\n      };\n      this.emitChanges({\n        added: added\n      });\n    },\n    onDragRemove: function onDragRemove(evt) {\n      Object(helper[\"c\" /* insertNodeAt */])(this.rootContainer, evt.item, evt.oldIndex);\n\n      if (evt.pullMode === \"clone\") {\n        Object(helper[\"d\" /* removeNode */])(evt.clone);\n        return;\n      }\n\n      var oldIndex = this.context.index;\n      this.spliceList(oldIndex, 1);\n      var removed = {\n        element: this.context.element,\n        oldIndex: oldIndex\n      };\n      this.resetTransitionData(oldIndex);\n      this.emitChanges({\n        removed: removed\n      });\n    },\n    onDragUpdate: function onDragUpdate(evt) {\n      Object(helper[\"d\" /* removeNode */])(evt.item);\n      Object(helper[\"c\" /* insertNodeAt */])(evt.from, evt.item, evt.oldIndex);\n      var oldIndex = this.context.index;\n      var newIndex = this.getVmIndex(evt.newIndex);\n      this.updatePosition(oldIndex, newIndex);\n      var moved = {\n        element: this.context.element,\n        oldIndex: oldIndex,\n        newIndex: newIndex\n      };\n      this.emitChanges({\n        moved: moved\n      });\n    },\n    updateProperty: function updateProperty(evt, propertyName) {\n      evt.hasOwnProperty(propertyName) && (evt[propertyName] += this.headerOffset);\n    },\n    computeFutureIndex: function computeFutureIndex(relatedContext, evt) {\n      if (!relatedContext.element) {\n        return 0;\n      }\n\n      var domChildren = _toConsumableArray(evt.to.children).filter(function (el) {\n        return el.style[\"display\"] !== \"none\";\n      });\n\n      var currentDOMIndex = domChildren.indexOf(evt.related);\n      var currentIndex = relatedContext.component.getVmIndex(currentDOMIndex);\n      var draggedInList = domChildren.indexOf(draggingElement) !== -1;\n      return draggedInList || !evt.willInsertAfter ? currentIndex : currentIndex + 1;\n    },\n    onDragMove: function onDragMove(evt, originalEvent) {\n      var onMove = this.move;\n\n      if (!onMove || !this.realList) {\n        return true;\n      }\n\n      var relatedContext = this.getRelatedContextFromMoveEvent(evt);\n      var draggedContext = this.context;\n      var futureIndex = this.computeFutureIndex(relatedContext, evt);\n\n      assign_default()(draggedContext, {\n        futureIndex: futureIndex\n      });\n\n      var sendEvt = assign_default()({}, evt, {\n        relatedContext: relatedContext,\n        draggedContext: draggedContext\n      });\n\n      return onMove(sendEvt, originalEvent);\n    },\n    onDragEnd: function onDragEnd() {\n      this.computeIndexes();\n      draggingElement = null;\n    }\n  }\n};\n\nif (typeof window !== \"undefined\" && \"Vue\" in window) {\n  window.Vue.component(\"draggable\", draggableComponent);\n}\n\n/* harmony default export */ var vuedraggable = (draggableComponent);\n// CONCATENATED MODULE: ./node_modules/@vue/cli-service/lib/commands/build/entry-lib.js\n\n\n/* harmony default export */ var entry_lib = __webpack_exports__[\"default\"] = (vuedraggable);\n\n\n\n/***/ })\n\n/******/ })[\"default\"];\n//# sourceMappingURL=vuedraggable.common.js.map\n\n//# sourceURL=webpack:///./node_modules/vuedraggable/dist/vuedraggable.common.js?");

/***/ }),

/***/ "./node_modules/webpack/buildin/global.js":
/*!***********************************!*\
  !*** (webpack)/buildin/global.js ***!
  \***********************************/
/*! no static exports found */
/***/ (function(module, exports) {

eval("var g;\n\n// This works in non-strict mode\ng = (function() {\n\treturn this;\n})();\n\ntry {\n\t// This works if eval is allowed (see CSP)\n\tg = g || new Function(\"return this\")();\n} catch (e) {\n\t// This works if the window reference is available\n\tif (typeof window === \"object\") g = window;\n}\n\n// g can still be undefined, but nothing to do about it...\n// We return undefined, instead of nothing here, so it's\n// easier to handle this case. if(!global) { ...}\n\nmodule.exports = g;\n\n\n//# sourceURL=webpack:///(webpack)/buildin/global.js?");

/***/ })

/******/ });

[+] ..
[-] wil-main-search-form.wil-main-search-form.js [edit]
[-] claim-script.js [edit]
[-] promotion-script.js [edit]
[-] design-single-nav.js [edit]
[-] listing-tools.js [edit]
[-] wil-single-nav.wil-single-nav.js [edit]
[-] script.js [edit]
[-] default~wil-hero-search-form~wil-main-search-form.default~wil-hero-search-form~wil-main-search-form.js [edit]
[-] mailtpl-admin.js [edit]
[-] design-hero-search-form.js [edit]
[-] design-sidebar.js [edit]
[-] wil-hero-search-form.wil-hero-search-form.js [edit]
[-] mobile-menu.js [edit]
[-] global.js [edit]
[-] import-export-wiloke-tools.js [edit]
[-] listing-card.js [edit]
[-] contactform7.js [edit]
[-] push-notifications.js [edit]
[-] wiloke-submission-general.js [edit]
[-] listing-plan.js [edit]
[-] wil-schema-markup.wil-schema-markup.js [edit]
[-] add-custom-posttype.js [edit]
[-] report-script.js [edit]
[-] event-script.js [edit]
[-] quick-search-form-script.js [edit]
[-] general.js [edit]
[-] wil-single-sidebar.wil-single-sidebar.js [edit]
[-] design-fields.js [edit]
[-] vendors~wil-schema-markup.vendors~wil-schema-markup.js [edit]
[-] listing-settings.js [edit]
[-] noticeafterupdating.js [edit]
[-] wil-listing-card.wil-listing-card.js [edit]
[-] design-search-form.js [edit]
[-] design-highlight-boxes.js [edit]
[-] pw-select2.js [edit]
[-] verify-purchase-code.js [edit]
[-] plan-controller.js [edit]
[-] wil-reviews.wil-reviews.js [edit]
[-] schema-markup.js [edit]
[-] wil-single-highlight-boxes.wil-single-highlight-boxes.js [edit]