notes/.config/chromium/Default/Extensions/nhdogjmejiglipccpnnnanhbledajbpd/5.3.4_0/build/backend.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 = "";
/******/
/******/
/******/ 	// Load entry module and return exports
/******/ 	return __webpack_require__(__webpack_require__.s = 261);
/******/ })
/************************************************************************/
/******/ ({

/***/ 0:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "g", function() { return classify; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "f", function() { return camelize; });
/* unused harmony export kebabize */
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "l", function() { return getComponentDisplayName; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "p", function() { return inDoc; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "e", function() { return UNDEFINED; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return INFINITY; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "c", function() { return NEGATIVE_INFINITY; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return NAN; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "d", function() { return SPECIAL_TOKENS; });
/* unused harmony export MAX_STRING_SIZE */
/* unused harmony export MAX_ARRAY_SIZE */
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "x", function() { return specialTokenToString; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "y", function() { return stringify; });
/* unused harmony export getCustomMapDetails */
/* unused harmony export reviveMap */
/* unused harmony export getCustomSetDetails */
/* unused harmony export reviveSet */
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "m", function() { return getComponentName; });
/* unused harmony export getCustomComponentDefinitionDetails */
/* unused harmony export getCustomFunctionDetails */
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "n", function() { return getCustomRefDetails; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "s", function() { return parse; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "q", function() { return isPlainObject; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "u", function() { return searchDeepInObject; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "w", function() { return sortByKey; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "v", function() { return set; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "k", function() { return get; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "o", function() { return has; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "t", function() { return scrollIntoView; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "j", function() { return focusInput; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "r", function() { return openInEditor; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "i", function() { return escape; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "h", function() { return copyToClipboard; });
/* harmony import */ var path__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(23);
/* harmony import */ var path__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(path__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _transfer__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(15);
/* harmony import */ var _back__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(14);
/* harmony import */ var _back_vuex__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(10);
/* harmony import */ var _back_router__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(13);
/* harmony import */ var _shared_data__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(3);
/* harmony import */ var _env__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(1);








function cached (fn) {
  const cache = Object.create(null)
  return function cachedFn (str) {
    const hit = cache[str]
    return hit || (cache[str] = fn(str))
  }
}

const classifyRE = /(?:^|[-_/])(\w)/g
const classify = cached((str) => {
  return str && str.replace(classifyRE, toUpper)
})

const camelizeRE = /-(\w)/g
const camelize = cached((str) => {
  return str.replace(camelizeRE, toUpper)
})

const kebabizeRE = /([a-z0-9])([A-Z])/g
const kebabize = cached((str) => {
  return str && str
    .replace(kebabizeRE, (_, lowerCaseCharacter, upperCaseLetter) => {
      return `${lowerCaseCharacter}-${upperCaseLetter}`
    })
    .toLowerCase()
})

function toUpper (_, c) {
  return c ? c.toUpperCase() : ''
}

function getComponentDisplayName (originalName, style = 'class') {
  switch (style) {
    case 'class':
      return classify(originalName)
    case 'kebab':
      return kebabize(originalName)
    case 'original':
    default:
      return originalName
  }
}

function inDoc (node) {
  if (!node) return false
  const doc = node.ownerDocument.documentElement
  const parent = node.parentNode
  return doc === node ||
    doc === parent ||
    !!(parent && parent.nodeType === 1 && (doc.contains(parent)))
}

/**
 * Stringify/parse data using CircularJSON.
 */

const UNDEFINED = '__vue_devtool_undefined__'
const INFINITY = '__vue_devtool_infinity__'
const NEGATIVE_INFINITY = '__vue_devtool_negative_infinity__'
const NAN = '__vue_devtool_nan__'

const SPECIAL_TOKENS = {
  'true': true,
  'false': false,
  'undefined': UNDEFINED,
  'null': null,
  '-Infinity': NEGATIVE_INFINITY,
  'Infinity': INFINITY,
  'NaN': NAN
}

const MAX_STRING_SIZE = 10000
const MAX_ARRAY_SIZE = 5000

function specialTokenToString (value) {
  if (value === null) {
    return 'null'
  } else if (value === UNDEFINED) {
    return 'undefined'
  } else if (value === NAN) {
    return 'NaN'
  } else if (value === INFINITY) {
    return 'Infinity'
  } else if (value === NEGATIVE_INFINITY) {
    return '-Infinity'
  }
  return false
}

/**
 * Needed to prevent stack overflow
 * while replacing complex objects
 * like components because we create
 * new objects with the CustomValue API
 * (.i.e `{ _custom: { ... } }`)
 */
class EncodeCache {
  constructor () {
    this.map = new Map()
  }

  /**
   * Returns a result unique to each input data
   * @param {*} data Input data
   * @param {*} factory Function used to create the unique result
   */
  cache (data, factory) {
    const cached = this.map.get(data)
    if (cached) {
      return cached
    } else {
      const result = factory(data)
      this.map.set(data, result)
      return result
    }
  }

  clear () {
    this.map.clear()
  }
}

const encodeCache = new EncodeCache()

function stringify (data) {
  // Create a fresh cache for each serialization
  encodeCache.clear()
  return _transfer__WEBPACK_IMPORTED_MODULE_1__[/* stringify */ "b"](data, replacer)
}

function replacer (key) {
  const val = this[key]
  const type = typeof val
  if (Array.isArray(val)) {
    const l = val.length
    if (l > MAX_ARRAY_SIZE) {
      return {
        _isArray: true,
        length: l,
        items: val.slice(0, MAX_ARRAY_SIZE)
      }
    }
    return val
  } else if (typeof val === 'string') {
    if (val.length > MAX_STRING_SIZE) {
      return val.substr(0, MAX_STRING_SIZE) + `... (${(val.length)} total length)`
    } else {
      return val
    }
  } else if (type === 'undefined') {
    return UNDEFINED
  } else if (val === Infinity) {
    return INFINITY
  } else if (val === -Infinity) {
    return NEGATIVE_INFINITY
  } else if (type === 'function') {
    return getCustomFunctionDetails(val)
  } else if (type === 'symbol') {
    return `[native Symbol ${Symbol.prototype.toString.call(val)}]`
  } else if (val !== null && type === 'object') {
    const proto = Object.prototype.toString.call(val)
    if (proto === '[object Map]') {
      return encodeCache.cache(val, () => getCustomMapDetails(val))
    } else if (proto === '[object Set]') {
      return encodeCache.cache(val, () => getCustomSetDetails(val))
    } else if (proto === '[object RegExp]') {
      // special handling of native type
      return `[native RegExp ${RegExp.prototype.toString.call(val)}]`
    } else if (proto === '[object Date]') {
      return `[native Date ${Date.prototype.toString.call(val)}]`
    } else if (proto === '[object Error]') {
      return `[native Error ${val.message}]`
    } else if (val.state && val._vm) {
      return encodeCache.cache(val, () => Object(_back_vuex__WEBPACK_IMPORTED_MODULE_3__[/* getCustomStoreDetails */ "a"])(val))
    } else if (val.constructor && val.constructor.name === 'VueRouter') {
      return encodeCache.cache(val, () => Object(_back_router__WEBPACK_IMPORTED_MODULE_4__[/* getCustomRouterDetails */ "a"])(val))
    } else if (val._isVue) {
      return encodeCache.cache(val, () => Object(_back__WEBPACK_IMPORTED_MODULE_2__[/* getCustomInstanceDetails */ "a"])(val))
    } else if (typeof val.render === 'function') {
      return encodeCache.cache(val, () => getCustomComponentDefinitionDetails(val))
    } else if (val.constructor && val.constructor.name === 'VNode') {
      return `[native VNode <${val.tag}>]`
    }
  } else if (Number.isNaN(val)) {
    return NAN
  }
  return sanitize(val)
}

function getCustomMapDetails (val) {
  const list = []
  val.forEach(
    (value, key) => list.push({
      key,
      value
    })
  )
  return {
    _custom: {
      type: 'map',
      display: 'Map',
      value: list,
      readOnly: true,
      fields: {
        abstract: true
      }
    }
  }
}

function reviveMap (val) {
  const result = new Map()
  const list = val._custom.value
  for (let i = 0; i < list.length; i++) {
    const { key, value } = list[i]
    result.set(key, reviver(null, value))
  }
  return result
}

function getCustomSetDetails (val) {
  const list = Array.from(val)
  return {
    _custom: {
      type: 'set',
      display: `Set[${list.length}]`,
      value: list,
      readOnly: true
    }
  }
}

function reviveSet (val) {
  const result = new Set()
  const list = val._custom.value
  for (let i = 0; i < list.length; i++) {
    const value = list[i]
    result.add(reviver(null, value))
  }
  return result
}

// Use a custom basename functions instead of the shimed version
// because it doesn't work on Windows
function basename (filename, ext) {
  return path__WEBPACK_IMPORTED_MODULE_0___default.a.basename(
    filename.replace(/^[a-zA-Z]:/, '').replace(/\\/g, '/'),
    ext
  )
}

function getComponentName (options) {
  const name = options.name || options._componentTag
  if (name) {
    return name
  }
  const file = options.__file // injected by vue-loader
  if (file) {
    return classify(basename(file, '.vue'))
  }
}

function getCustomComponentDefinitionDetails (def) {
  let display = getComponentName(def)
  if (display) {
    if (def.name && def.__file) {
      display += ` <span>(${def.__file})</span>`
    }
  } else {
    display = '<i>Unknown Component</i>'
  }
  return {
    _custom: {
      type: 'component-definition',
      display,
      tooltip: 'Component definition',
      ...def.__file ? {
        file: def.__file
      } : {}
    }
  }
}

function getCustomFunctionDetails (func) {
  let string = ''
  let matches = null
  try {
    string = Function.prototype.toString.call(func)
    matches = String.prototype.match.call(string, /\([\s\S]*?\)/)
  } catch (e) {
    // Func is probably a Proxy, which can break Function.prototype.toString()
  }
  // Trim any excess whitespace from the argument string
  const match = matches && matches[0]
  const args = typeof match === 'string'
    ? `(${match.substr(1, match.length - 2).split(',').map(a => a.trim()).join(', ')})` : '(?)'
  const name = typeof func.name === 'string' ? func.name : ''
  return {
    _custom: {
      type: 'function',
      display: `<span>ƒ</span> ${escape(name)}${args}`
    }
  }
}

function getCustomRefDetails (instance, key, ref) {
  let value
  if (Array.isArray(ref)) {
    value = ref.map((r) => getCustomRefDetails(instance, key, r)).map(data => data.value)
  } else {
    let name
    if (ref._isVue) {
      name = getComponentName(ref.$options)
    } else {
      name = ref.tagName.toLowerCase()
    }

    value = {
      _custom: {
        display: `&lt;${name}` +
          (ref.id ? ` <span class="attr-title">id</span>="${ref.id}"` : '') +
          (ref.className ? ` <span class="attr-title">class</span>="${ref.className}"` : '') + '&gt;',
        uid: instance.__VUE_DEVTOOLS_UID__,
        type: 'reference'
      }
    }
  }
  return {
    type: '$refs',
    key: key,
    value,
    editable: false
  }
}

function parse (data, revive) {
  return revive
    ? _transfer__WEBPACK_IMPORTED_MODULE_1__[/* parse */ "a"](data, reviver)
    : _transfer__WEBPACK_IMPORTED_MODULE_1__[/* parse */ "a"](data)
}

const specialTypeRE = /^\[native (\w+) (.*)\]$/
const symbolRE = /^\[native Symbol Symbol\((.*)\)\]$/

function reviver (key, val) {
  if (val === UNDEFINED) {
    return undefined
  } else if (val === INFINITY) {
    return Infinity
  } else if (val === NEGATIVE_INFINITY) {
    return -Infinity
  } else if (val === NAN) {
    return NaN
  } else if (val && val._custom) {
    if (val._custom.type === 'component') {
      return _back__WEBPACK_IMPORTED_MODULE_2__[/* instanceMap */ "d"].get(val._custom.id)
    } else if (val._custom.type === 'map') {
      return reviveMap(val)
    } else if (val._custom.type === 'set') {
      return reviveSet(val)
    }
  } else if (symbolRE.test(val)) {
    const [, string] = symbolRE.exec(val)
    return Symbol.for(string)
  } else if (specialTypeRE.test(val)) {
    const [, type, string] = specialTypeRE.exec(val)
    return new window[type](string)
  } else {
    return val
  }
}

/**
 * Sanitize data to be posted to the other side.
 * Since the message posted is sent with structured clone,
 * we need to filter out any types that might cause an error.
 *
 * @param {*} data
 * @return {*}
 */

function sanitize (data) {
  if (
    !isPrimitive(data) &&
    !Array.isArray(data) &&
    !isPlainObject(data)
  ) {
    // handle types that will probably cause issues in
    // the structured clone
    return Object.prototype.toString.call(data)
  } else {
    return data
  }
}

function isPlainObject (obj) {
  return Object.prototype.toString.call(obj) === '[object Object]'
}

function isPrimitive (data) {
  if (data == null) {
    return true
  }
  const type = typeof data
  return (
    type === 'string' ||
    type === 'number' ||
    type === 'boolean'
  )
}

/**
 * Searches a key or value in the object, with a maximum deepness
 * @param {*} obj Search target
 * @param {string} searchTerm Search string
 * @returns {boolean} Search match
 */
function searchDeepInObject (obj, searchTerm) {
  const seen = new Map()
  const result = internalSearchObject(obj, searchTerm.toLowerCase(), seen, 0)
  seen.clear()
  return result
}

const SEARCH_MAX_DEPTH = 10

/**
 * Executes a search on each field of the provided object
 * @param {*} obj Search target
 * @param {string} searchTerm Search string
 * @param {Map<any,boolean>} seen Map containing the search result to prevent stack overflow by walking on the same object multiple times
 * @param {number} depth Deep search depth level, which is capped to prevent performance issues
 * @returns {boolean} Search match
 */
function internalSearchObject (obj, searchTerm, seen, depth) {
  if (depth > SEARCH_MAX_DEPTH) {
    return false
  }
  let match = false
  const keys = Object.keys(obj)
  let key, value
  for (let i = 0; i < keys.length; i++) {
    key = keys[i]
    value = obj[key]
    match = internalSearchCheck(searchTerm, key, value, seen, depth + 1)
    if (match) {
      break
    }
  }
  return match
}

/**
 * Executes a search on each value of the provided array
 * @param {*} array Search target
 * @param {string} searchTerm Search string
 * @param {Map<any,boolean>} seen Map containing the search result to prevent stack overflow by walking on the same object multiple times
 * @param {number} depth Deep search depth level, which is capped to prevent performance issues
 * @returns {boolean} Search match
 */
function internalSearchArray (array, searchTerm, seen, depth) {
  if (depth > SEARCH_MAX_DEPTH) {
    return false
  }
  let match = false
  let value
  for (let i = 0; i < array.length; i++) {
    value = array[i]
    match = internalSearchCheck(searchTerm, null, value, seen, depth + 1)
    if (match) {
      break
    }
  }
  return match
}

/**
 * Checks if the provided field matches the search terms
 * @param {string} searchTerm Search string
 * @param {string} key Field key (null if from array)
 * @param {*} value Field value
 * @param {Map<any,boolean>} seen Map containing the search result to prevent stack overflow by walking on the same object multiple times
 * @param {number} depth Deep search depth level, which is capped to prevent performance issues
 * @returns {boolean} Search match
 */
function internalSearchCheck (searchTerm, key, value, seen, depth) {
  let match = false
  let result
  if (key === '_custom') {
    key = value.display
    value = value.value
  }
  (result = specialTokenToString(value)) && (value = result)
  if (key && compare(key, searchTerm)) {
    match = true
    seen.set(value, true)
  } else if (seen.has(value)) {
    match = seen.get(value)
  } else if (Array.isArray(value)) {
    seen.set(value, null)
    match = internalSearchArray(value, searchTerm, seen, depth)
    seen.set(value, match)
  } else if (isPlainObject(value)) {
    seen.set(value, null)
    match = internalSearchObject(value, searchTerm, seen, depth)
    seen.set(value, match)
  } else if (compare(value, searchTerm)) {
    match = true
    seen.set(value, true)
  }
  return match
}

/**
 * Compares two values
 * @param {*} value Mixed type value that will be cast to string
 * @param {string} searchTerm Search string
 * @returns {boolean} Search match
 */
function compare (value, searchTerm) {
  return ('' + value).toLowerCase().indexOf(searchTerm) !== -1
}

function sortByKey (state) {
  return state && state.slice().sort((a, b) => {
    if (a.key < b.key) return -1
    if (a.key > b.key) return 1
    return 0
  })
}

function set (object, path, value, cb = null) {
  const sections = Array.isArray(path) ? path : path.split('.')
  while (sections.length > 1) {
    object = object[sections.shift()]
  }
  const field = sections[0]
  if (cb) {
    cb(object, field, value)
  } else {
    object[field] = value
  }
}

function get (object, path) {
  const sections = Array.isArray(path) ? path : path.split('.')
  for (let i = 0; i < sections.length; i++) {
    object = object[sections[i]]
    if (!object) {
      return undefined
    }
  }
  return object
}

function has (object, path, parent = false) {
  if (typeof object === 'undefined') {
    return false
  }

  const sections = Array.isArray(path) ? path : path.split('.')
  const size = !parent ? 1 : 2
  while (object && sections.length > size) {
    object = object[sections.shift()]
  }
  return object != null && object.hasOwnProperty(sections[0])
}

function scrollIntoView (scrollParent, el, center = true) {
  const parentTop = scrollParent.scrollTop
  const parentHeight = scrollParent.offsetHeight
  const elBounds = el.getBoundingClientRect()
  const parentBounds = scrollParent.getBoundingClientRect()
  const top = elBounds.top - parentBounds.top + scrollParent.scrollTop
  const height = el.offsetHeight
  if (center) {
    scrollParent.scrollTop = top + (height - parentHeight) / 2
  } else if (top < parentTop) {
    scrollParent.scrollTop = top
  } else if (top + height > parentTop + parentHeight) {
    scrollParent.scrollTop = top - parentHeight + height
  }
}

function focusInput (el) {
  el.focus()
  el.setSelectionRange(0, el.value.length)
}

function openInEditor (file) {
  // Console display
  const fileName = file.replace(/\\/g, '\\\\')
  const src = `fetch('${_shared_data__WEBPACK_IMPORTED_MODULE_5__[/* default */ "a"].openInEditorHost}__open-in-editor?file=${encodeURI(file)}').then(response => {
    if (response.ok) {
      console.log('File ${fileName} opened in editor')
    } else {
      const msg = 'Opening component ${fileName} failed'
      const target = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : {}
      if (target.__VUE_DEVTOOLS_TOAST__) {
        target.__VUE_DEVTOOLS_TOAST__(msg, 'error')
      } else {
        console.log('%c' + msg, 'color:red')
      }
      console.log('Check the setup of your project, see https://github.com/vuejs/vue-devtools/blob/master/docs/open-in-editor.md')
    }
  })`
  if (_env__WEBPACK_IMPORTED_MODULE_6__[/* isChrome */ "c"]) {
    chrome.devtools.inspectedWindow.eval(src)
  } else {
    // eslint-disable-next-line no-eval
    eval(src)
  }
}

const ESC = {
  '<': '&lt;',
  '>': '&gt;',
  '"': '&quot;',
  '&': '&amp;'
}

function escape (s) {
  return s.replace(/[<>"&]/g, escapeChar)
}

function escapeChar (a) {
  return ESC[a] || a
}

function copyToClipboard (state) {
  if (typeof document === 'undefined') return
  const dummyTextArea = document.createElement('textarea')
  dummyTextArea.textContent = stringify(state)
  document.body.appendChild(dummyTextArea)
  dummyTextArea.select()
  document.execCommand('copy')
  document.body.removeChild(dummyTextArea)
}


/***/ }),

/***/ 1:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* WEBPACK VAR INJECTION */(function(global) {/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return isBrowser; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "f", function() { return target; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "c", function() { return isChrome; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "d", function() { return isFirefox; });
/* unused harmony export isWindows */
/* unused harmony export isMac */
/* unused harmony export isLinux */
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "e", function() { return keys; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return initEnv; });
const isBrowser = typeof navigator !== 'undefined'
const target = isBrowser
  ? window
  : typeof global !== 'undefined'
    ? global
    : {}
const isChrome = typeof chrome !== 'undefined' && !!chrome.devtools
const isFirefox = isBrowser && navigator.userAgent.indexOf('Firefox') > -1
const isWindows = isBrowser && navigator.platform.indexOf('Win') === 0
const isMac = isBrowser && navigator.platform === 'MacIntel'
const isLinux = isBrowser && navigator.platform.indexOf('Linux') === 0
const keys = {
  ctrl: isMac ? '&#8984;' : 'Ctrl',
  shift: 'Shift',
  alt: isMac ? '&#8997;' : 'Alt',
  del: 'Del',
  enter: 'Enter',
  esc: 'Esc'
}

function initEnv (Vue) {
  if (Vue.prototype.hasOwnProperty('$isChrome')) return

  Object.defineProperties(Vue.prototype, {
    '$isChrome': { get: () => isChrome },
    '$isFirefox': { get: () => isFirefox },
    '$isWindows': { get: () => isWindows },
    '$isMac': { get: () => isMac },
    '$isLinux': { get: () => isLinux },
    '$keys': { get: () => keys }
  })

  if (isWindows) document.body.classList.add('platform-windows')
  if (isMac) document.body.classList.add('platform-mac')
  if (isLinux) document.body.classList.add('platform-linux')
}

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(8)))

/***/ }),

/***/ 10:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return initVuexBackend; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return getCustomStoreDetails; });
/* harmony import */ var _utils_util__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(0);
/* harmony import */ var _utils_shared_data__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(3);
/* harmony import */ var vue__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(4);
/* harmony import */ var _clone__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(6);





const isProd = "production" === 'production'

class VuexBackend {
  constructor (hook, bridge, isLegacy) {
    bridge.send('vuex:init')

    this.hook = hook
    this.bridge = bridge
    this.isLegacy = isLegacy
    this.store = hook.store

    // Flush info from hook
    // (for example, modules registered before backend was created)
    this.earlyModules = hook.flushStoreModules()

    /** Initial store state */
    this.initialState = this.hook.initialState

    /** Internal store vm for mutation replaying */
    this.snapshotsVm = null

    /** Initial snapshot */
    this.baseStateSnapshot = null
    /** Snapshot cache */
    this.stateSnapshotCache = null
    /** Mutation history */
    this.mutations = null
    /** Last replayed state */
    this.lastState = null
    /** Currently registered dynamic modules */
    this.registeredModules = {}
    /** All dynamic modules ever registered, useful for mutation replaying */
    this.allTimeModules = {}
    /** Legacy base state */
    this.legacyBaseSnapshot = null

    // First-time snapshot VM creation
    this.resetSnapshotsVm()
    // Initial setup
    this.reset()

    // Override dynamic module handling in vuex
    if (this.store.registerModule) {
      this.origRegisterModule = this.store.registerModule.bind(this.store)
      this.store.registerModule = (path, module, options) => {
        this.addModule(path, module, options)
        this.origRegisterModule(path, module, options)
        if (!isProd) console.log('register module', path)
      }

      this.origUnregisterModule = this.store.unregisterModule.bind(this.store)
      this.store.unregisterModule = (path) => {
        this.removeModule(path)
        this.origUnregisterModule(path)
        if (!isProd) console.log('unregister module', path)
      }
    } else {
      this.origRegisterModule = this.origUnregisterModule = () => {}
    }

    // Register modules that were added before backend was created
    this.earlyModules.forEach(({ path, module, options }) => {
      const moduleInfo = this.addModule(path, module, options)
      moduleInfo.early = true
    })

    // deal with multiple backend injections
    hook.off('vuex:mutation')

    // application -> devtool
    hook.on('vuex:mutation', this.onMutation.bind(this))

    // devtool -> application
    bridge.on('vuex:travel-to-state', this.onTravelToState.bind(this))
    bridge.on('vuex:commit-all', this.onCommitAll.bind(this))
    bridge.on('vuex:revert-all', this.onRevertAll.bind(this))
    bridge.on('vuex:commit', this.onCommit.bind(this))
    bridge.on('vuex:revert', this.onRevert.bind(this))
    bridge.on('vuex:import-state', this.onImportState.bind(this))
    bridge.on('vuex:inspect-state', this.onInspectState.bind(this))
    bridge.on('vuex:edit-state', this.onEditState.bind(this))
  }

  /**
   * Register a mutation record
   */
  onMutation ({ type, payload }) {
    if (!_utils_shared_data__WEBPACK_IMPORTED_MODULE_1__[/* default */ "a"].recordVuex) return

    this.addMutation(type, payload)
  }

  /**
   * Time-travel to the state of a specific mutation (by index)
   */
  onTravelToState ({ index, apply }) {
    const snapshot = this.replayMutations(index)
    const state = Object(_clone__WEBPACK_IMPORTED_MODULE_3__[/* default */ "a"])(this.lastState)
    this.bridge.send('vuex:inspected-state', {
      index,
      snapshot
    })
    if (apply) {
      this.ensureRegisteredModules(this.mutations[index])
      this.hook.emit('vuex:travel-to-state', state)
    }
  }

  onCommitAll () {
    this.reset(this.lastState)
  }

  onRevertAll () {
    this.reset()
  }

  /**
   * Reset the base state to a specific mutation (by index)
   *
   * ⚠️ State should be time-traveled to before executing this
   */
  onCommit (index) {
    if (_utils_shared_data__WEBPACK_IMPORTED_MODULE_1__[/* default */ "a"].vuexNewBackend) {
      this.baseStateSnapshot = this.lastState
    } else {
      this.legacyBaseSnapshot = this.mutations[index].snapshot
    }
    this.resetSnapshotCache()
    this.mutations = this.mutations.slice(index + 1)
    this.mutations.forEach((mutation, index) => {
      mutation.index = index
    })
  }

  /**
   * Removes mutations after a specific mutation (by index)
   *
   * ⚠️ State should be time-traveled to before executing this
   */
  onRevert (index) {
    this.resetSnapshotCache()
    this.ensureRegisteredModules(this.mutations[index - 1])
    this.mutations = this.mutations.slice(0, index)
  }

  /**
   * Parse and time-travel to a state
   */
  onImportState (state) {
    const parsed = Object(_utils_util__WEBPACK_IMPORTED_MODULE_0__[/* parse */ "s"])(state, true)
    this.initialState = parsed
    this.hook.emit('vuex:travel-to-state', parsed)
    this.reset()
    this.bridge.send('vuex:init')
    this.onInspectState(-1)
  }

  /**
   * If the index is -1, sends the base state.
   * Else replays the mutations up to the <index> mutation.
   */
  onInspectState (index) {
    const snapshot = this.replayMutations(index)
    this.bridge.send('vuex:inspected-state', {
      index,
      snapshot
    })
  }

  onEditState ({ index, value, path }) {
    let parsedValue
    if (value) {
      parsedValue = Object(_utils_util__WEBPACK_IMPORTED_MODULE_0__[/* parse */ "s"])(value, true)
    }
    this.store._committing = true
    Object(_utils_util__WEBPACK_IMPORTED_MODULE_0__[/* set */ "v"])(this.store.state, path, parsedValue)
    this.store._committing = false
    this.bridge.send('vuex:inspected-state', {
      index,
      snapshot: this.getStoreSnapshot()
    })
    this.cacheStateSnapshot(index, true)
  }

  /**
   * Should be called when store structure changes,
   * for example when a dynamic module is registered
   */
  resetSnapshotsVm (state) {
    this.snapshotsVm = new vue__WEBPACK_IMPORTED_MODULE_2__[/* default */ "a"]({
      data: {
        $$state: state || {}
      },
      computed: this.store._vm.$options.computed
    })
  }

  /**
   * Reset vuex backend
   */
  reset (stateSnapshot = null) {
    if (_utils_shared_data__WEBPACK_IMPORTED_MODULE_1__[/* default */ "a"].vuexNewBackend) {
      this.baseStateSnapshot = stateSnapshot || Object(_clone__WEBPACK_IMPORTED_MODULE_3__[/* default */ "a"])(this.initialState)
    } else {
      this.legacyBaseSnapshot = this.stringifyStore()
    }
    this.mutations = []
    this.resetSnapshotCache()
  }

  resetSnapshotCache () {
    this.stateSnapshotCache = [
      {
        index: -1,
        state: this.baseStateSnapshot,
        permanent: true
      }
    ]
  }

  /**
   * Handle adding a dynamic store module
   */
  addModule (path, module, options) {
    if (typeof path === 'string') path = [path]

    let state
    if (options && options.preserveState) {
      state = Object(_utils_util__WEBPACK_IMPORTED_MODULE_0__[/* get */ "k"])(this.store.state, path)
    }
    if (!state) {
      state = typeof module.state === 'function' ? module.state() : module.state
    }
    if (!state) {
      state = {}
    }

    const fakeModule = {
      ...module
    }

    if (_utils_shared_data__WEBPACK_IMPORTED_MODULE_1__[/* default */ "a"].vuexNewBackend) {
      // Ensure all children state are cloned
      const replaceNestedStates = (nestedModule) => {
        if (nestedModule.modules) {
          Object.keys(nestedModule.modules).forEach(key => {
            const child = nestedModule.modules[key]
            let state = {}
            if (child.state) {
              state = typeof child.state === 'function' ? child.state() : child.state
            }
            child.state = Object(_clone__WEBPACK_IMPORTED_MODULE_3__[/* default */ "a"])(state)
            replaceNestedStates(child)
          })
        }
      }
      replaceNestedStates(fakeModule)
    }

    const key = path.join('/')
    const moduleInfo = this.registeredModules[key] = this.allTimeModules[key] = {
      path,
      module: fakeModule,
      options: {
        ...options,
        preserveState: false
      },
      state: _utils_shared_data__WEBPACK_IMPORTED_MODULE_1__[/* default */ "a"].vuexNewBackend ? Object(_clone__WEBPACK_IMPORTED_MODULE_3__[/* default */ "a"])(state) : null
    }

    if (_utils_shared_data__WEBPACK_IMPORTED_MODULE_1__[/* default */ "a"].recordVuex) {
      this.addMutation(`Register module: ${key}`, {
        path,
        module,
        options
      }, {
        registerModule: true
      })
    }

    return moduleInfo
  }

  /**
   * Handle removing a dynamic store module
   */
  removeModule (path) {
    if (typeof path === 'string') path = [path]

    delete this.registeredModules[path.join('/')]

    if (_utils_shared_data__WEBPACK_IMPORTED_MODULE_1__[/* default */ "a"].recordVuex) {
      this.addMutation(`Unregister module: ${path.join('/')}`, {
        path
      }, {
        unregisterModule: true
      })
    }
  }

  /**
   * Make sure all (and only) the dynamic modules present at the moment of a mutation
   * are correctly registered in the store
   */
  ensureRegisteredModules (mutation) {
    if (mutation) {
      mutation.registeredModules.forEach(m => {
        if (!Object.keys(this.registeredModules).sort((a, b) => a.length - b.length).includes(m)) {
          const data = this.allTimeModules[m]
          if (data) {
            const { path, module, options, state } = data
            this.origRegisterModule(path, {
              ...module,
              state: Object(_clone__WEBPACK_IMPORTED_MODULE_3__[/* default */ "a"])(state)
            }, options)
            this.registeredModules[path.join('/')] = data
          }
        }
      })
      Object.keys(this.registeredModules).sort((a, b) => b.length - a.length).forEach(m => {
        if (!mutation.registeredModules.includes(m)) {
          this.origUnregisterModule(m.split('/'))
          delete this.registeredModules[m]
        }
      })
      this.resetSnapshotsVm(this.store.state)
    }
  }

  /**
   * Check if the store as a specific dynamic module
   */
  hasModule (path) {
    return !!this.store._modules.get(path)
  }

  stringifyStore () {
    return Object(_utils_util__WEBPACK_IMPORTED_MODULE_0__[/* stringify */ "y"])({
      state: this.store.state,
      getters: getCatchedGetters(this.store),
      modules: Object.keys(this.store._modulesNamespaceMap || {})
        .map(m => m.substr(0, m.length - 1))
        .sort()
    })
  }

  /**
   * Handle a new mutation commited to the store
   */
  addMutation (type, payload, options = {}) {
    const index = this.mutations.length

    if (!_utils_shared_data__WEBPACK_IMPORTED_MODULE_1__[/* default */ "a"].vuexNewBackend) {
      options.snapshot = this.stringifyStore()
    }

    this.mutations.push({
      type,
      payload: _utils_shared_data__WEBPACK_IMPORTED_MODULE_1__[/* default */ "a"].vuexNewBackend ? Object(_clone__WEBPACK_IMPORTED_MODULE_3__[/* default */ "a"])(payload) : null,
      index,
      handlers: this.store._mutations[type],
      registeredModules: Object.keys(this.registeredModules),
      ...options
    })

    this.bridge.send('vuex:mutation', {
      mutation: {
        type: type,
        payload: Object(_utils_util__WEBPACK_IMPORTED_MODULE_0__[/* stringify */ "y"])(payload),
        index
      },
      timestamp: Date.now(),
      options
    })
  }

  /**
   * Replays mutations from the base state up to a specific index
   * to re-create what the vuex state should be at this point
   */
  replayMutations (index) {
    if (!_utils_shared_data__WEBPACK_IMPORTED_MODULE_1__[/* default */ "a"].vuexNewBackend) {
      const snapshot = index === -1 ? this.legacyBaseSnapshot : this.mutations[index].snapshot
      this.lastState = Object(_utils_util__WEBPACK_IMPORTED_MODULE_0__[/* parse */ "s"])(snapshot, true).state
      return snapshot
    }

    const originalVm = this.store._vm
    const originalState = Object(_clone__WEBPACK_IMPORTED_MODULE_3__[/* default */ "a"])(this.store.state)
    this.store._vm = this.snapshotsVm

    let tempRemovedModules = []
    let tempAddedModules = []

    // If base state, we need to remove all dynamic registered modules
    // to prevent errors because their state is missing
    if (index === -1) {
      tempRemovedModules = Object.keys(this.registeredModules)
      tempRemovedModules.filter(m => this.hasModule(m.split('/'))).sort((a, b) => b.length - a.length).forEach(m => {
        this.origUnregisterModule(m.split('/'))
        if (!isProd) console.log('before replay unregister', m)
      })
    }

    // Get most recent snapshot for target index
    // for faster replay
    let stateSnapshot
    for (let i = 0; i < this.stateSnapshotCache.length; i++) {
      const s = this.stateSnapshotCache[i]
      if (s.index > index) {
        break
      } else {
        stateSnapshot = s
      }
    }

    let resultState

    // Snapshot was already replayed
    if (stateSnapshot.index === index) {
      resultState = stateSnapshot.state

      const state = Object(_clone__WEBPACK_IMPORTED_MODULE_3__[/* default */ "a"])(stateSnapshot.state)
      this.resetSnapshotsVm(state)
      this.store.replaceState(state)
    } else {
      // Update state when using fake vm to properly temporarily remove modules
      this.resetSnapshotsVm(originalState)
      this.store.replaceState(originalState)
      // Temporarily remove modules if they where not present during first mutation being replayed
      const startMutation = this.mutations[stateSnapshot.index]
      if (startMutation) {
        tempRemovedModules = Object.keys(this.registeredModules).filter(m => !startMutation.registeredModules.includes(m))
      } else {
        tempRemovedModules = Object.keys(this.registeredModules)
      }
      tempRemovedModules.filter(m => this.hasModule(m.split('/'))).sort((a, b) => b.length - a.length).forEach(m => {
        this.origUnregisterModule(m.split('/'))
        if (!isProd) console.log('before replay unregister', m)
      })

      const state = Object(_clone__WEBPACK_IMPORTED_MODULE_3__[/* default */ "a"])(stateSnapshot.state)
      this.resetSnapshotsVm(state)
      this.store.replaceState(state)

      _utils_shared_data__WEBPACK_IMPORTED_MODULE_1__[/* default */ "a"].snapshotLoading = true

      // Replay mutations
      for (let i = stateSnapshot.index + 1; i <= index; i++) {
        const mutation = this.mutations[i]
        if (mutation.registerModule) {
          const key = mutation.payload.path.join('/')
          const moduleInfo = this.allTimeModules[key]
          tempAddedModules.push(key)
          this.origRegisterModule(moduleInfo.path, {
            ...moduleInfo.module,
            state: Object(_clone__WEBPACK_IMPORTED_MODULE_3__[/* default */ "a"])(moduleInfo.state)
          }, moduleInfo.options)
          this.resetSnapshotsVm(this.store.state)
          if (!isProd) console.log('replay register module', moduleInfo)
        } else if (mutation.unregisterModule && this.hasModule(mutation.payload.path)) {
          const path = mutation.payload.path
          const index = tempAddedModules.indexOf(path.join('/'))
          if (index !== -1) tempAddedModules.splice(index, 1)
          this.origUnregisterModule(path)
          this.resetSnapshotsVm(this.store.state)
          if (!isProd) console.log('replay unregister module', path)
        } else if (mutation.handlers) {
          this.store._committing = true
          try {
            let payload = mutation.payload

            if (this.isLegacy && !Array.isArray(payload)) {
              payload = [payload]
            }

            if (Array.isArray(mutation.handlers)) {
              if (this.isLegacy) {
                mutation.handlers.forEach(handler => handler(this.store.state, ...payload))
              } else {
                mutation.handlers.forEach(handler => handler(payload))
              }
            } else {
              if (this.isLegacy) {
                mutation.handlers(this.store.state, ...payload)
              } else {
                mutation.handlers(payload)
              }
            }
          } catch (e) {
            throw e
          }
          this.store._committing = false
        }

        // Optimization: periodically cache snapshots
        if (i === index || (i % _utils_shared_data__WEBPACK_IMPORTED_MODULE_1__[/* default */ "a"].cacheVuexSnapshotsEvery === 0)) {
          this.cacheStateSnapshot(i)
        }
      }

      // Send final state after replay
      resultState = Object(_clone__WEBPACK_IMPORTED_MODULE_3__[/* default */ "a"])(this.store.state)

      if (!isProd) console.log(`replayed ${index - stateSnapshot.index} mutation(s)`)
    }

    this.lastState = resultState

    const result = this.stringifyStore()

    // Restore user state
    tempAddedModules.sort((a, b) => b.length - a.length).forEach(m => {
      this.origUnregisterModule(m.split('/'))
      if (!isProd) console.log('after replay unregister', m)
    })
    tempRemovedModules.sort((a, b) => a.length - b.length).forEach(m => {
      const { path, module, options, state } = this.registeredModules[m]
      this.origRegisterModule(path, {
        ...module,
        state: Object(_clone__WEBPACK_IMPORTED_MODULE_3__[/* default */ "a"])(state)
      }, options)
      if (!isProd) console.log('after replay register', m)
    })
    this.store._vm = originalVm

    return result
  }

  cacheStateSnapshot (index, permanent = false) {
    this.removeCachedStateSnapshot(index)
    this.stateSnapshotCache.push({
      index,
      state: Object(_clone__WEBPACK_IMPORTED_MODULE_3__[/* default */ "a"])(this.store.state),
      permanent
    })
    if (!isProd) console.log('cached snapshot', index)
    // Delete old cached snapshots
    if (this.stateSnapshotCache.filter(s => !s.permanent).length > _utils_shared_data__WEBPACK_IMPORTED_MODULE_1__[/* default */ "a"].cacheVuexSnapshotsLimit) {
      const i = this.stateSnapshotCache.findIndex(s => !s.permanent)
      if (i !== -1) {
        if (!isProd) console.log('clean cached snapshot', this.stateSnapshotCache[i].index)
        this.stateSnapshotCache.splice(i, 1)
      }
    }
  }

  removeCachedStateSnapshot (index) {
    const i = this.stateSnapshotCache.findIndex(s => s.idex === index)
    if (i !== -1) this.stateSnapshotCache.splice(i, 1)
  }

  /**
   * Get the serialized state and getters from the store
   */
  getStoreSnapshot (stateSnapshot = null) {
    let originalVm
    if (stateSnapshot) {
      originalVm = this.store._vm
      this.store._vm = this.snapshotsVm
      this.store.replaceState(Object(_clone__WEBPACK_IMPORTED_MODULE_3__[/* default */ "a"])(stateSnapshot))
    }

    const result = this.stringifyStore()

    if (stateSnapshot) {
      // Restore user state
      this.store._vm = originalVm
    }

    return result
  }
}

function initVuexBackend (hook, bridge, isLegacy) {
  // eslint-disable-next-line no-new
  new VuexBackend(hook, bridge, isLegacy)
}

function getCatchedGetters (store) {
  const getters = {}

  const origGetters = store.getters || {}
  const keys = Object.keys(origGetters)
  for (let i = 0; i < keys.length; i++) {
    const key = keys[i]
    Object.defineProperty(getters, key, {
      enumerable: true,
      get: () => {
        try {
          return origGetters[key]
        } catch (e) {
          return e
        }
      }
    })
  }

  return getters
}

function getCustomStoreDetails (store) {
  return {
    _custom: {
      type: 'store',
      display: 'Store',
      value: {
        state: store.state,
        getters: getCatchedGetters(store)
      },
      fields: {
        abstract: true
      }
    }
  }
}


/***/ }),

/***/ 13:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return initRouterBackend; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return getCustomRouterDetails; });
/* harmony import */ var _utils_util__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(0);


function initRouterBackend (Vue, bridge, rootInstances) {
  let recording = true

  const getSnapshot = () => {
    const routeChanges = []
    rootInstances.forEach(instance => {
      const router = instance._router
      if (router && router.options && router.options.routes) {
        routeChanges.push(...router.options.routes)
      }
    })
    return Object(_utils_util__WEBPACK_IMPORTED_MODULE_0__[/* stringify */ "y"])({
      routeChanges
    })
  }

  bridge.send('routes:init', getSnapshot())

  bridge.on('router:toggle-recording', enabled => {
    recording = enabled
  })

  rootInstances.forEach(instance => {
    const router = instance._router

    if (router) {
      router.afterEach((to, from) => {
        if (!recording) return
        bridge.send('router:changed', Object(_utils_util__WEBPACK_IMPORTED_MODULE_0__[/* stringify */ "y"])({
          to,
          from,
          timestamp: Date.now()
        }))
      })
      bridge.send('router:init', Object(_utils_util__WEBPACK_IMPORTED_MODULE_0__[/* stringify */ "y"])({
        mode: router.mode,
        current: {
          from: router.history.current,
          to: router.history.current,
          timestamp: Date.now()
        }
      }))

      if (router.matcher && router.matcher.addRoutes) {
        const addRoutes = router.matcher.addRoutes
        router.matcher.addRoutes = function (routes) {
          routes.forEach((item) => {
            bridge.send('routes:changed', Object(_utils_util__WEBPACK_IMPORTED_MODULE_0__[/* stringify */ "y"])(item))
          })
          addRoutes.call(this, routes)
        }
      }
    }
  })
}

function getCustomRouterDetails (router) {
  return {
    _custom: {
      type: 'router',
      display: 'VueRouter',
      value: {
        options: router.options,
        currentRoute: router.currentRoute
      },
      fields: {
        abstract: true
      }
    }
  }
}


/***/ }),

/***/ 14:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";

// EXTERNAL MODULE: /home/akryum/Projects/vue-devtools/node_modules/@vue-devtools/shared-utils/src/util.js
var util = __webpack_require__(0);

// EXTERNAL MODULE: /home/akryum/Projects/vue-devtools/node_modules/@vue-devtools/shared-utils/src/shared-data.js
var shared_data = __webpack_require__(3);

// EXTERNAL MODULE: /home/akryum/Projects/vue-devtools/node_modules/@vue-devtools/shared-utils/src/env.js
var env = __webpack_require__(1);

// CONCATENATED MODULE: /home/akryum/Projects/vue-devtools/node_modules/@vue-devtools/app-backend/src/highlighter.js





let overlay
let overlayContent

function init () {
  if (overlay || !env["b" /* isBrowser */]) return
  overlay = document.createElement('div')
  overlay.style.backgroundColor = 'rgba(104, 182, 255, 0.35)'
  overlay.style.position = 'fixed'
  overlay.style.zIndex = '99999999999999'
  overlay.style.pointerEvents = 'none'
  overlay.style.display = 'flex'
  overlay.style.alignItems = 'center'
  overlay.style.justifyContent = 'center'
  overlay.style.borderRadius = '3px'
  overlayContent = document.createElement('div')
  overlayContent.style.backgroundColor = 'rgba(104, 182, 255, 0.9)'
  overlayContent.style.fontFamily = 'monospace'
  overlayContent.style.fontSize = '11px'
  overlayContent.style.padding = '2px 3px'
  overlayContent.style.borderRadius = '3px'
  overlayContent.style.color = 'white'
  overlay.appendChild(overlayContent)
}

/**
 * Highlight an instance.
 *
 * @param {Vue} instance
 */

function highlight (instance) {
  if (!instance) return
  const rect = getInstanceOrVnodeRect(instance)

  if (!env["b" /* isBrowser */]) {
    // TODO: Highlight rect area.
    return
  }

  init()
  if (rect) {
    const content = []
    let name = instance.fnContext ? Object(util["m" /* getComponentName */])(instance.fnOptions) : getInstanceName(instance)
    name = Object(util["l" /* getComponentDisplayName */])(name, shared_data["a" /* default */].componentNameStyle)
    if (name) {
      const pre = document.createElement('span')
      pre.style.opacity = '0.6'
      pre.innerText = '<'
      const text = document.createTextNode(name)
      const post = document.createElement('span')
      post.style.opacity = '0.6'
      post.innerText = '>'
      content.push(pre, text, post)
    }
    showOverlay(rect, content)
  }
}

/**
 * Remove highlight overlay.
 */

function unHighlight () {
  if (overlay && overlay.parentNode) {
    document.body.removeChild(overlay)
  }
}

/**
 * Get the client rect for an instance.
 *
 * @param {Vue|Vnode} instance
 * @return {Object}
 */

function getInstanceOrVnodeRect (instance) {
  const el = instance.$el || instance.elm
  if (!env["b" /* isBrowser */]) {
    // TODO: Find position from instance or a vnode (for functional components).

    return
  }
  if (!Object(util["p" /* inDoc */])(el)) {
    return
  }
  if (instance._isFragment) {
    return getFragmentRect(instance)
  } else if (el.nodeType === 1) {
    return el.getBoundingClientRect()
  }
}

/**
 * Highlight a fragment instance.
 * Loop over its node range and determine its bounding box.
 *
 * @param {Vue} instance
 * @return {Object}
 */

function getFragmentRect ({ _fragmentStart, _fragmentEnd }) {
  let top, bottom, left, right
  highlighter_util().mapNodeRange(_fragmentStart, _fragmentEnd, function (node) {
    let rect
    if (node.nodeType === 1 || node.getBoundingClientRect) {
      rect = node.getBoundingClientRect()
    } else if (node.nodeType === 3 && node.data.trim()) {
      rect = getTextRect(node)
    }
    if (rect) {
      if (!top || rect.top < top) {
        top = rect.top
      }
      if (!bottom || rect.bottom > bottom) {
        bottom = rect.bottom
      }
      if (!left || rect.left < left) {
        left = rect.left
      }
      if (!right || rect.right > right) {
        right = rect.right
      }
    }
  })
  return {
    top,
    left,
    width: right - left,
    height: bottom - top
  }
}

let range
/**
 * Get the bounding rect for a text node using a Range.
 *
 * @param {Text} node
 * @return {Rect}
 */
function getTextRect (node) {
  if (!env["b" /* isBrowser */]) return
  if (!range) range = document.createRange()

  range.selectNode(node)

  return range.getBoundingClientRect()
}

/**
 * Display the overlay with given rect.
 *
 * @param {Rect}
 */

function showOverlay ({ width = 0, height = 0, top = 0, left = 0 }, content = []) {
  if (!env["b" /* isBrowser */]) return

  overlay.style.width = ~~width + 'px'
  overlay.style.height = ~~height + 'px'
  overlay.style.top = ~~top + 'px'
  overlay.style.left = ~~left + 'px'

  overlayContent.innerHTML = ''
  content.forEach(child => overlayContent.appendChild(child))

  document.body.appendChild(overlay)
}

/**
 * Get Vue's util
 */

function highlighter_util () {
  return env["f" /* target */].__VUE_DEVTOOLS_GLOBAL_HOOK__.Vue.util
}

// EXTERNAL MODULE: /home/akryum/Projects/vue-devtools/node_modules/@vue-devtools/app-backend/src/vuex.js
var vuex = __webpack_require__(10);

// CONCATENATED MODULE: /home/akryum/Projects/vue-devtools/node_modules/@vue-devtools/app-backend/src/events.js



const internalRE = /^(?:pre-)?hook:/

function initEventsBackend (Vue, bridge) {
  let recording = true

  bridge.send('events:reset')

  bridge.on('events:toggle-recording', enabled => {
    recording = enabled
  })

  function logEvent (vm, type, eventName, payload) {
    // The string check is important for compat with 1.x where the first
    // argument may be an object instead of a string.
    // this also ensures the event is only logged for direct $emit (source)
    // instead of by $dispatch/$broadcast
    if (typeof eventName === 'string' && !internalRE.test(eventName)) {
      bridge.send('event:triggered', Object(util["y" /* stringify */])({
        eventName,
        type,
        payload,
        instanceId: vm._uid,
        instanceName: getInstanceName(vm._self || vm),
        timestamp: Date.now()
      }))
    }
  }

  function wrap (method) {
    const original = Vue.prototype[method]
    if (original) {
      Vue.prototype[method] = function (...args) {
        const res = original.apply(this, args)
        if (recording) {
          logEvent(this, method, args[0], args.slice(1))
        }
        return res
      }
    }
  }

  wrap('$emit')
  wrap('$broadcast')
  wrap('$dispatch')
}

// EXTERNAL MODULE: /home/akryum/Projects/vue-devtools/node_modules/@vue-devtools/app-backend/src/router.js
var router = __webpack_require__(13);

// CONCATENATED MODULE: /home/akryum/Projects/vue-devtools/node_modules/@vue-devtools/app-backend/src/perf.js



const COMPONENT_HOOKS = [
  'beforeCreate',
  'created',
  'beforeMount',
  'mounted',
  'beforeUpdate',
  'updated',
  'beforeDestroyed',
  'destroyed'
]

const RENDER_HOOKS = {
  beforeMount: { after: 'mountRender' },
  mounted: { before: 'mountRender' },
  beforeUpdate: { after: 'updateRender' },
  updated: { before: 'updateRender' }
}

let perf_frames = 0
let frameTime
let secondsTimer
let perf_bridge

let componentMetrics

function initPerfBackend (Vue, _bridge, instanceMap) {
  perf_bridge = _bridge

  // Global mixin
  Vue.mixin({
    beforeCreate () {
      applyHooks(this)
    }
  })

  // Apply to existing components
  instanceMap.forEach(applyHooks)

  Object(shared_data["d" /* watch */])('recordPerf', value => {
    if (value) {
      startRecording()
    } else {
      stopRecording()
    }
  })
}

function startRecording () {
  perf_frames = 0
  frameTime = performance.now()
  secondsTimer = setInterval(frameInterval, 500)
  componentMetrics = {}
  requestAnimationFrame(perf_frame)
}

function stopRecording () {
  clearInterval(secondsTimer)
}

function perf_frame () {
  perf_frames++
  if (shared_data["a" /* default */].recordPerf) {
    requestAnimationFrame(perf_frame)
  }
}

function frameInterval () {
  const metric = {
    type: 'fps',
    time: Date.now(),
    start: frameTime,
    end: frameTime = performance.now()
  }
  metric.value = Math.round(perf_frames / (metric.end - metric.start) * 1000)
  perf_frames = 0
  perf_bridge.send('perf:add-metric', metric)
}

function applyHooks (vm) {
  if (vm.$options.$_devtoolsPerfHooks) return
  vm.$options.$_devtoolsPerfHooks = true

  const renderMetrics = {}

  COMPONENT_HOOKS.forEach(hook => {
    const renderHook = RENDER_HOOKS[hook]

    const handler = function () {
      if (shared_data["a" /* default */].recordPerf) {
        // Before
        const time = performance.now()
        if (renderHook && renderHook.before) {
          // Render hook ends before one hook
          const metric = renderMetrics[renderHook.before]
          if (metric) {
            metric.end = time
            addComponentMetric(vm.$options, renderHook.before, metric.start, metric.end)
          }
        }

        // After
        this.$once(`hook:${hook}`, () => {
          const newTime = performance.now()
          addComponentMetric(vm.$options, hook, time, newTime)
          if (renderHook && renderHook.after) {
            // Render hook starts after one hook
            renderMetrics[renderHook.after] = {
              start: newTime,
              end: 0
            }
          }
        })
      }
    }
    const currentValue = vm.$options[hook]
    if (Array.isArray(currentValue)) {
      vm.$options[hook] = [handler, ...currentValue]
    } else if (typeof currentValue === 'function') {
      vm.$options[hook] = [handler, currentValue]
    } else {
      vm.$options[hook] = [handler]
    }
  })
}

function addComponentMetric (options, type, start, end) {
  const duration = end - start
  const name = Object(util["m" /* getComponentName */])(options)

  const metric = componentMetrics[name] = componentMetrics[name] || {
    id: name,
    hooks: {},
    totalTime: 0
  }

  const hook = metric.hooks[type] = metric.hooks[type] || {
    count: 0,
    totalTime: 0
  }
  hook.count++
  hook.totalTime += duration

  metric.totalTime += duration

  perf_bridge.send('perf:upsert-metric', { type: 'componentRender', data: metric })
}

// CONCATENATED MODULE: /home/akryum/Projects/vue-devtools/node_modules/@vue-devtools/app-backend/src/utils.js
function findRelatedComponent (el) {
  while (!el.__vue__ && el.parentElement) {
    el = el.parentElement
  }
  return el.__vue__
}

// CONCATENATED MODULE: /home/akryum/Projects/vue-devtools/node_modules/@vue-devtools/app-backend/src/component-selector.js




class component_selector_ComponentSelector {
  constructor (bridge, instanceMap) {
    const self = this
    self.bridge = bridge
    self.instanceMap = instanceMap
    self.bindMethods()

    bridge.on('start-component-selector', self.startSelecting)
    bridge.on('stop-component-selector', self.stopSelecting)
  }

  /**
   * Adds event listeners for mouseover and mouseup
   */
  startSelecting () {
    if (!env["b" /* isBrowser */]) return
    window.addEventListener('mouseover', this.elementMouseOver, true)
    window.addEventListener('click', this.elementClicked, true)
    window.addEventListener('mouseout', this.cancelEvent, true)
    window.addEventListener('mouseenter', this.cancelEvent, true)
    window.addEventListener('mouseleave', this.cancelEvent, true)
    window.addEventListener('mousedown', this.cancelEvent, true)
    window.addEventListener('mouseup', this.cancelEvent, true)
  }

  /**
   * Removes event listeners
   */
  stopSelecting () {
    if (!env["b" /* isBrowser */]) return
    window.removeEventListener('mouseover', this.elementMouseOver, true)
    window.removeEventListener('click', this.elementClicked, true)
    window.removeEventListener('mouseout', this.cancelEvent, true)
    window.removeEventListener('mouseenter', this.cancelEvent, true)
    window.removeEventListener('mouseleave', this.cancelEvent, true)
    window.removeEventListener('mousedown', this.cancelEvent, true)
    window.removeEventListener('mouseup', this.cancelEvent, true)

    unHighlight()
  }

  /**
   * Highlights a component on element mouse over
   * @param {MouseEvent} e
   */
  elementMouseOver (e) {
    this.cancelEvent(e)

    const el = e.target
    if (el) {
      this.selectedInstance = findRelatedComponent(el)
    }

    unHighlight()
    if (this.selectedInstance) {
      highlight(this.selectedInstance)
    }
  }

  /**
   * Selects an instance in the component view
   * @param {MouseEvent} e
   */
  elementClicked (e) {
    this.cancelEvent(e)

    if (this.selectedInstance) {
      this.bridge.send('inspect-instance', this.selectedInstance.__VUE_DEVTOOLS_UID__)
    } else {
      this.bridge.send('stop-component-selector')
    }

    this.stopSelecting()
  }

  /**
   * Cancel a mouse event
   * @param {MouseEvent} e
   */
  cancelEvent (e) {
    e.stopImmediatePropagation()
    e.preventDefault()
  }

  /**
   * Bind class methods to the class scope to avoid rebind for event listeners
   */
  bindMethods () {
    this.startSelecting = this.startSelecting.bind(this)
    this.stopSelecting = this.stopSelecting.bind(this)
    this.elementMouseOver = this.elementMouseOver.bind(this)
    this.elementClicked = this.elementClicked.bind(this)
  }
}

// CONCATENATED MODULE: /home/akryum/Projects/vue-devtools/node_modules/@vue-devtools/app-backend/src/index.js
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "d", function() { return src_instanceMap; });
/* unused harmony export functionalVnodeMap */
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "c", function() { return initBackend; });
/* unused harmony export findInstanceOrVnode */
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return getCustomInstanceDetails; });
/* unused harmony export reduceStateList */
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return getInstanceName; });
/* unused harmony export toast */
/* unused harmony export inspectInstance */
// This is the backend that is injected into the page that a Vue app lives in
// when the Vue Devtools panel is activated.












// hook should have been injected before this executes.
const src_hook = env["f" /* target */].__VUE_DEVTOOLS_GLOBAL_HOOK__
const rootInstances = []
const propModes = ['default', 'sync', 'once']

const src_instanceMap = env["f" /* target */].__VUE_DEVTOOLS_INSTANCE_MAP__ = new Map()
const functionalVnodeMap = env["f" /* target */].__VUE_DEVTOOLS_FUNCTIONAL_VNODE_MAP__ = new Map()

const consoleBoundInstances = Array(5)
let currentInspectedId
let src_bridge
let filter = ''
let captureCount = 0
let isLegacy = false
let rootUID = 0
let functionalIds = new Map()

// Dedupe instances
// Some instances may be both on a component and on a child abstract/functional component
const captureIds = new Map()

function initBackend (_bridge) {
  src_bridge = _bridge

  if (src_hook.Vue) {
    isLegacy = src_hook.Vue.version && src_hook.Vue.version.split('.')[0] === '1'
    connect(src_hook.Vue)
  } else {
    src_hook.once('init', connect)
  }

  initRightClick()
}

function connect (Vue) {
  Object(shared_data["c" /* init */])({
    bridge: src_bridge,
    Vue
  }).then(() => {
    src_hook.currentTab = 'components'
    src_bridge.on('switch-tab', tab => {
      src_hook.currentTab = tab
      if (tab === 'components') {
        flush()
      }
    })

    // the backend may get injected to the same page multiple times
    // if the user closes and reopens the devtools.
    // make sure there's only one flush listener.
    src_hook.off('flush')
    src_hook.on('flush', () => {
      if (src_hook.currentTab === 'components') {
        flush()
      }
    })

    src_bridge.on('select-instance', id => {
      currentInspectedId = id
      const instance = findInstanceOrVnode(id)
      if (!instance) return
      if (!/:functional:/.test(id)) bindToConsole(instance)
      flush()
      src_bridge.send('instance-selected')
    })

    src_bridge.on('scroll-to-instance', id => {
      const instance = findInstanceOrVnode(id)
      if (instance) {
        scrollIntoView(instance)
        highlight(instance)
      }
    })

    src_bridge.on('filter-instances', _filter => {
      filter = _filter.toLowerCase()
      flush()
    })

    src_bridge.on('refresh', scan)

    src_bridge.on('enter-instance', id => {
      const instance = findInstanceOrVnode(id)
      if (instance) highlight(instance)
    })

    src_bridge.on('leave-instance', unHighlight)

    // eslint-disable-next-line no-new
    new component_selector_ComponentSelector(src_bridge, src_instanceMap)

    // Get the instance id that is targeted by context menu
    src_bridge.on('get-context-menu-target', () => {
      const instance = env["f" /* target */].__VUE_DEVTOOLS_CONTEXT_MENU_TARGET__

      env["f" /* target */].__VUE_DEVTOOLS_CONTEXT_MENU_TARGET__ = null
      env["f" /* target */].__VUE_DEVTOOLS_CONTEXT_MENU_HAS_TARGET__ = false

      if (instance) {
        const id = instance.__VUE_DEVTOOLS_UID__
        if (id) {
          return src_bridge.send('inspect-instance', id)
        }
      }

      toast('No Vue component was found', 'warn')
    })

    src_bridge.on('set-instance-data', args => {
      setStateValue(args)
      flush()
    })

    // vuex
    if (src_hook.store) {
      Object(vuex["b" /* initVuexBackend */])(src_hook, src_bridge, src_hook.store.commit === undefined)
    } else {
      src_hook.once('vuex:init', store => {
        Object(vuex["b" /* initVuexBackend */])(src_hook, src_bridge, store.commit === undefined)
      })
    }

    src_hook.once('router:init', () => {
      Object(router["b" /* initRouterBackend */])(src_hook.Vue, src_bridge, rootInstances)
    })

    // events
    initEventsBackend(Vue, src_bridge)

    env["f" /* target */].__VUE_DEVTOOLS_INSPECT__ = inspectInstance

    // User project devtools config
    if (env["f" /* target */].hasOwnProperty('VUE_DEVTOOLS_CONFIG')) {
      const config = env["f" /* target */].VUE_DEVTOOLS_CONFIG

      // Open in editor
      if (config.hasOwnProperty('openInEditorHost')) {
        shared_data["a" /* default */].openInEditorHost = config.openInEditorHost
      }
    }

    src_bridge.log('backend ready.')
    src_bridge.send('ready', Vue.version)
    src_bridge.on('log-detected-vue', () => {
      console.log(
        `%c vue-devtools %c Detected Vue v${Vue.version} %c`,
        'background:#35495e ; padding: 1px; border-radius: 3px 0 0 3px;  color: #fff',
        'background:#41b883 ; padding: 1px; border-radius: 0 3px 3px 0;  color: #fff',
        'background:transparent'
      )
    })

    setTimeout(() => {
      scan()

      // perf
      initPerfBackend(Vue, src_bridge, src_instanceMap)
    }, 0)
  })
}

function findInstanceOrVnode (id) {
  if (/:functional:/.test(id)) {
    const [refId] = id.split(':functional:')
    const map = functionalVnodeMap.get(refId)
    return map && map[id]
  }
  return src_instanceMap.get(id)
}

/**
 * Scan the page for root level Vue instances.
 */

function scan () {
  rootInstances.length = 0
  let inFragment = false
  let currentFragment = null

  function processInstance (instance) {
    if (instance) {
      if (rootInstances.indexOf(instance.$root) === -1) {
        instance = instance.$root
      }
      if (instance._isFragment) {
        inFragment = true
        currentFragment = instance
      }

      // respect Vue.config.devtools option
      let baseVue = instance.constructor
      while (baseVue.super) {
        baseVue = baseVue.super
      }
      if (baseVue.config && baseVue.config.devtools) {
        // give a unique id to root instance so we can
        // 'namespace' its children
        if (typeof instance.__VUE_DEVTOOLS_ROOT_UID__ === 'undefined') {
          instance.__VUE_DEVTOOLS_ROOT_UID__ = ++rootUID
        }
        rootInstances.push(instance)
      }

      return true
    }
  }

  if (env["b" /* isBrowser */]) {
    walk(document, function (node) {
      if (inFragment) {
        if (node === currentFragment._fragmentEnd) {
          inFragment = false
          currentFragment = null
        }
        return true
      }
      let instance = node.__vue__

      return processInstance(instance)
    })
  } else {
    if (Array.isArray(env["f" /* target */].__VUE_ROOT_INSTANCES__)) {
      env["f" /* target */].__VUE_ROOT_INSTANCES__.map(processInstance)
    }
  }
  src_hook.emit('router:init')
  flush()
}

/**
 * DOM walk helper
 *
 * @param {NodeList} nodes
 * @param {Function} fn
 */

function walk (node, fn) {
  if (node.childNodes) {
    for (let i = 0, l = node.childNodes.length; i < l; i++) {
      const child = node.childNodes[i]
      const stop = fn(child)
      if (!stop) {
        walk(child, fn)
      }
    }
  }

  // also walk shadow DOM
  if (node.shadowRoot) {
    walk(node.shadowRoot, fn)
  }
}

/**
 * Called on every Vue.js batcher flush cycle.
 * Capture current component tree structure and the state
 * of the current inspected instance (if present) and
 * send it to the devtools.
 */

function flush () {
  let start
  functionalIds.clear()
  captureIds.clear()
  if (false) {}
  const payload = Object(util["y" /* stringify */])({
    inspectedInstance: getInstanceDetails(currentInspectedId),
    instances: findQualifiedChildrenFromList(rootInstances)
  })
  if (false) {}
  src_bridge.send('flush', payload)
}

/**
 * Iterate through an array of instances and flatten it into
 * an array of qualified instances. This is a depth-first
 * traversal - e.g. if an instance is not matched, we will
 * recursively go deeper until a qualified child is found.
 *
 * @param {Array} instances
 * @return {Array}
 */

function findQualifiedChildrenFromList (instances) {
  instances = instances
    .filter(child => !child._isBeingDestroyed)
  return !filter
    ? instances.map(capture)
    : Array.prototype.concat.apply([], instances.map(findQualifiedChildren))
}

/**
 * Find qualified children from a single instance.
 * If the instance itself is qualified, just return itself.
 * This is ok because [].concat works in both cases.
 *
 * @param {Vue|Vnode} instance
 * @return {Vue|Array}
 */

function findQualifiedChildren (instance) {
  return isQualified(instance)
    ? capture(instance)
    : findQualifiedChildrenFromList(instance.$children).concat(
      instance._vnode && instance._vnode.children
        // Find functional components in recursively in non-functional vnodes.
        ? flatten(instance._vnode.children.filter(child => !child.componentInstance).map(captureChild))
          // Filter qualified children.
          .filter(instance => isQualified(instance))
        : []
    )
}

/**
 * Check if an instance is qualified.
 *
 * @param {Vue|Vnode} instance
 * @return {Boolean}
 */

function isQualified (instance) {
  const name = Object(util["g" /* classify */])(instance.name || getInstanceName(instance)).toLowerCase()
  return name.indexOf(filter) > -1
}

function flatten (items) {
  return items.reduce((acc, item) => {
    if (item instanceof Array) acc.push(...flatten(item))
    else if (item) acc.push(item)

    return acc
  }, [])
}

function captureChild (child) {
  if (child.fnContext && !child.componentInstance) {
    return capture(child)
  } else if (child.componentInstance) {
    if (!child.componentInstance._isBeingDestroyed) return capture(child.componentInstance)
  } else if (child.children) {
    return flatten(child.children.map(captureChild))
  }
}

/**
 * Capture the meta information of an instance. (recursive)
 *
 * @param {Vue} instance
 * @return {Object}
 */

function capture (instance, index, list) {
  if (false) {}

  if (instance.$options && instance.$options.abstract && instance._vnode && instance._vnode.componentInstance) {
    instance = instance._vnode.componentInstance
  }

  // Functional component.
  if (instance.fnContext && !instance.componentInstance) {
    const contextUid = instance.fnContext.__VUE_DEVTOOLS_UID__
    let id = functionalIds.get(contextUid)
    if (id == null) {
      id = 0
    } else {
      id++
    }
    functionalIds.set(contextUid, id)
    const functionalId = contextUid + ':functional:' + id
    markFunctional(functionalId, instance)
    return {
      id: functionalId,
      functional: true,
      name: getInstanceName(instance),
      renderKey: getRenderKey(instance.key),
      children: (instance.children ? instance.children.map(
        child => child.fnContext
          ? captureChild(child)
          : child.componentInstance
            ? capture(child.componentInstance)
            : undefined
      )
        // router-view has both fnContext and componentInstance on vnode.
        : instance.componentInstance ? [capture(instance.componentInstance)] : []).filter(Boolean),
      inactive: false,
      isFragment: false // TODO: Check what is it for.
    }
  }
  // instance._uid is not reliable in devtools as there
  // may be 2 roots with same _uid which causes unexpected
  // behaviour
  instance.__VUE_DEVTOOLS_UID__ = getUniqueId(instance)

  // Dedupe
  if (captureIds.has(instance.__VUE_DEVTOOLS_UID__)) {
    return
  } else {
    captureIds.set(instance.__VUE_DEVTOOLS_UID__, undefined)
  }

  mark(instance)
  const name = getInstanceName(instance)

  const ret = {
    uid: instance._uid,
    id: instance.__VUE_DEVTOOLS_UID__,
    name,
    renderKey: getRenderKey(instance.$vnode ? instance.$vnode['key'] : null),
    inactive: !!instance._inactive,
    isFragment: !!instance._isFragment,
    children: instance.$children
      .filter(child => !child._isBeingDestroyed)
      .map(capture)
      .filter(Boolean)
  }

  if (instance._vnode && instance._vnode.children) {
    ret.children = ret.children.concat(
      flatten(instance._vnode.children.map(captureChild))
        .filter(Boolean)
    )
  }

  // record screen position to ensure correct ordering
  if ((!list || list.length > 1) && !instance._inactive) {
    const rect = getInstanceOrVnodeRect(instance)
    ret.top = rect ? rect.top : Infinity
  } else {
    ret.top = Infinity
  }
  // check if instance is available in console
  const consoleId = consoleBoundInstances.indexOf(instance.__VUE_DEVTOOLS_UID__)
  ret.consoleId = consoleId > -1 ? '$vm' + consoleId : null
  // check router view
  const isRouterView2 = instance.$vnode && instance.$vnode.data.routerView
  if (instance._routerView || isRouterView2) {
    ret.isRouterView = true
    if (!instance._inactive && instance.$route) {
      const matched = instance.$route.matched
      const depth = isRouterView2
        ? instance.$vnode.data.routerViewDepth
        : instance._routerView.depth
      ret.matchedRouteSegment =
        matched &&
        matched[depth] &&
        (isRouterView2 ? matched[depth].path : matched[depth].handler.path)
    }
  }
  return ret
}

/**
 * Mark an instance as captured and store it in the instance map.
 *
 * @param {Vue} instance
 */

function mark (instance) {
  if (!src_instanceMap.has(instance.__VUE_DEVTOOLS_UID__)) {
    src_instanceMap.set(instance.__VUE_DEVTOOLS_UID__, instance)
    instance.$on('hook:beforeDestroy', function () {
      src_instanceMap.delete(instance.__VUE_DEVTOOLS_UID__)
    })
  }
}

function markFunctional (id, vnode) {
  const refId = vnode.fnContext.__VUE_DEVTOOLS_UID__
  if (!functionalVnodeMap.has(refId)) {
    functionalVnodeMap.set(refId, {})
    vnode.fnContext.$on('hook:beforeDestroy', function () {
      functionalVnodeMap.delete(refId)
    })
  }

  functionalVnodeMap.get(refId)[id] = vnode
}

/**
 * Get the detailed information of an inspected instance.
 *
 * @param {Number} id
 */

function getInstanceDetails (id) {
  const instance = src_instanceMap.get(id)
  if (!instance) {
    const vnode = findInstanceOrVnode(id)

    if (!vnode) return {}

    const data = {
      id,
      name: Object(util["m" /* getComponentName */])(vnode.fnOptions),
      file: vnode.fnOptions.__file || null,
      state: processProps({ $options: vnode.fnOptions, ...(vnode.devtoolsMeta && vnode.devtoolsMeta.renderContext.props) }),
      functional: true
    }

    return data
  } else {
    const data = {
      id: id,
      name: getInstanceName(instance),
      state: getInstanceState(instance)
    }

    let i
    if ((i = instance.$vnode) && (i = i.componentOptions) && (i = i.Ctor) && (i = i.options)) {
      data.file = i.__file || null
    }

    return data
  }
}

function getInstanceState (instance) {
  return processProps(instance).concat(
    processState(instance),
    processRefs(instance),
    processComputed(instance),
    processInjected(instance),
    processRouteContext(instance),
    processVuexGetters(instance),
    processFirebaseBindings(instance),
    processObservables(instance),
    processAttrs(instance)
  )
}

function getCustomInstanceDetails (instance) {
  const state = getInstanceState(instance)
  return {
    _custom: {
      type: 'component',
      id: instance.__VUE_DEVTOOLS_UID__,
      display: getInstanceName(instance),
      tooltip: 'Component instance',
      value: reduceStateList(state),
      fields: {
        abstract: true
      }
    }
  }
}

function reduceStateList (list) {
  if (!list.length) {
    return undefined
  }
  return list.reduce((map, item) => {
    const key = item.type || 'data'
    const obj = map[key] = map[key] || {}
    obj[item.key] = item.value
    return map
  }, {})
}

/**
 * Get the appropriate display name for an instance.
 *
 * @param {Vue} instance
 * @return {String}
 */

function getInstanceName (instance) {
  const name = Object(util["m" /* getComponentName */])(instance.$options || instance.fnOptions || {})
  if (name) return name
  return instance.$root === instance
    ? 'Root'
    : 'Anonymous Component'
}

/**
 * Process the props of an instance.
 * Make sure return a plain object because window.postMessage()
 * will throw an Error if the passed object contains Functions.
 *
 * @param {Vue} instance
 * @return {Array}
 */

function processProps (instance) {
  let props
  if (isLegacy && (props = instance._props)) {
    // 1.x
    return Object.keys(props).map(key => {
      const prop = props[key]
      const options = prop.options
      return {
        type: 'props',
        key: prop.path,
        value: instance[prop.path],
        meta: options ? {
          type: options.type ? getPropType(options.type) : 'any',
          required: !!options.required,
          mode: propModes[prop.mode]
        } : {}
      }
    })
  } else if ((props = instance.$options.props)) {
    // 2.0
    const propsData = []
    for (let key in props) {
      const prop = props[key]
      key = Object(util["f" /* camelize */])(key)
      propsData.push({
        type: 'props',
        key,
        value: instance[key],
        meta: prop ? {
          type: prop.type ? getPropType(prop.type) : 'any',
          required: !!prop.required
        } : {
          type: 'invalid'
        },
        editable: shared_data["a" /* default */].editableProps
      })
    }
    return propsData
  } else {
    return []
  }
}

function processAttrs (instance) {
  return Object.entries(instance.$attrs || {}).map(([key, value]) => {
    return {
      type: '$attrs',
      key,
      value
    }
  })
}

/**
 * Convert prop type constructor to string.
 *
 * @param {Function} fn
 */

const fnTypeRE = /^(?:function|class) (\w+)/
function getPropType (type) {
  const match = type.toString().match(fnTypeRE)
  return typeof type === 'function'
    ? (match && match[1]) || 'any'
    : 'any'
}

/**
 * Process state, filtering out props and "clean" the result
 * with a JSON dance. This removes functions which can cause
 * errors during structured clone used by window.postMessage.
 *
 * @param {Vue} instance
 * @return {Array}
 */

function processState (instance) {
  const props = isLegacy
    ? instance._props
    : instance.$options.props
  const getters =
    instance.$options.vuex &&
    instance.$options.vuex.getters
  return Object.keys(instance._data)
    .filter(key => (
      !(props && key in props) &&
      !(getters && key in getters)
    ))
    .map(key => ({
      key,
      value: instance._data[key],
      editable: true
    }))
}

/**
 * Process refs
 *
 * @param {Vue} instance
 * @return {Array}
 */

function processRefs (instance) {
  return Object.keys(instance.$refs)
    .filter(key => instance.$refs[key])
    .map(key => Object(util["n" /* getCustomRefDetails */])(instance, key, instance.$refs[key]))
}

/**
 * Process the computed properties of an instance.
 *
 * @param {Vue} instance
 * @return {Array}
 */

function processComputed (instance) {
  const computed = []
  const defs = instance.$options.computed || {}
  // use for...in here because if 'computed' is not defined
  // on component, computed properties will be placed in prototype
  // and Object.keys does not include
  // properties from object's prototype
  for (const key in defs) {
    const def = defs[key]
    const type = typeof def === 'function' && def.vuex
      ? 'vuex bindings'
      : 'computed'
    // use try ... catch here because some computed properties may
    // throw error during its evaluation
    let computedProp = null
    try {
      computedProp = {
        type,
        key,
        value: instance[key]
      }
    } catch (e) {
      computedProp = {
        type,
        key,
        value: '(error during evaluation)'
      }
    }

    computed.push(computedProp)
  }

  return computed
}

/**
 * Process Vuex getters.
 *
 * @param {Vue} instance
 * @return {Array}
 */

function processInjected (instance) {
  const injected = instance.$options.inject

  if (injected) {
    return Object.keys(injected).map(key => {
      return {
        key,
        type: 'injected',
        value: instance[key]
      }
    })
  } else {
    return []
  }
}

/**
 * Process possible vue-router $route context
 *
 * @param {Vue} instance
 * @return {Array}
 */

function processRouteContext (instance) {
  try {
    const route = instance.$route
    if (route) {
      const { path, query, params } = route
      const value = { path, query, params }
      if (route.fullPath) value.fullPath = route.fullPath
      if (route.hash) value.hash = route.hash
      if (route.name) value.name = route.name
      if (route.meta) value.meta = route.meta
      return [{
        key: '$route',
        value: {
          _custom: {
            type: 'router',
            abstract: true,
            value
          }
        }
      }]
    }
  } catch (e) {
    // Invalid $router
  }
  return []
}

/**
 * Process Vuex getters.
 *
 * @param {Vue} instance
 * @return {Array}
 */

function processVuexGetters (instance) {
  const getters =
    instance.$options.vuex &&
    instance.$options.vuex.getters
  if (getters) {
    return Object.keys(getters).map(key => {
      return {
        type: 'vuex getters',
        key,
        value: instance[key]
      }
    })
  } else {
    return []
  }
}

/**
 * Process Firebase bindings.
 *
 * @param {Vue} instance
 * @return {Array}
 */

function processFirebaseBindings (instance) {
  const refs = instance.$firebaseRefs
  if (refs) {
    return Object.keys(refs).map(key => {
      return {
        type: 'firebase bindings',
        key,
        value: instance[key]
      }
    })
  } else {
    return []
  }
}

/**
 * Process vue-rx observable bindings.
 *
 * @param {Vue} instance
 * @return {Array}
 */

function processObservables (instance) {
  const obs = instance.$observables
  if (obs) {
    return Object.keys(obs).map(key => {
      return {
        type: 'observables',
        key,
        value: instance[key]
      }
    })
  } else {
    return []
  }
}

/**
 * Sroll a node into view.
 *
 * @param {Vue} instance
 */

function scrollIntoView (instance) {
  const rect = getInstanceOrVnodeRect(instance)
  if (rect) {
    // TODO: Handle this for non-browser environments.
    window.scrollBy(0, rect.top + (rect.height - window.innerHeight) / 2)
  }
}

/**
 * Binds given instance in console as $vm0.
 * For compatibility reasons it also binds it as $vm.
 *
 * @param {Vue} instance
 */

function bindToConsole (instance) {
  if (!instance) return
  if (!env["b" /* isBrowser */]) return

  const id = instance.__VUE_DEVTOOLS_UID__
  const index = consoleBoundInstances.indexOf(id)
  if (index > -1) {
    consoleBoundInstances.splice(index, 1)
  } else {
    consoleBoundInstances.pop()
  }

  consoleBoundInstances.unshift(id)
  for (let i = 0; i < 5; i++) {
    window['$vm' + i] = src_instanceMap.get(consoleBoundInstances[i])
  }
  window.$vm = instance
}

/**
 * Returns a devtools unique id for instance.
 * @param {Vue} instance
 */
function getUniqueId (instance) {
  const rootVueId = instance.$root.__VUE_DEVTOOLS_ROOT_UID__
  return `${rootVueId}:${instance._uid}`
}

function getRenderKey (value) {
  if (value == null) return
  const type = typeof value
  if (type === 'number') {
    return value
  } else if (type === 'string') {
    return `'${value}'`
  } else if (Array.isArray(value)) {
    return 'Array'
  } else {
    return 'Object'
  }
}

/**
 * Display a toast message.
 * @param {any} message HTML content
 */
function toast (message, type = 'normal') {
  const fn = env["f" /* target */].__VUE_DEVTOOLS_TOAST__
  fn && fn(message, type)
}

function inspectInstance (instance) {
  const id = instance.__VUE_DEVTOOLS_UID__
  id && src_bridge.send('inspect-instance', id)
}

function setStateValue ({ id, path, value, newKey, remove }) {
  const instance = src_instanceMap.get(id)
  if (instance) {
    try {
      let parsedValue
      if (value) {
        parsedValue = Object(util["s" /* parse */])(value, true)
      }
      const api = isLegacy ? {
        $set: src_hook.Vue.set,
        $delete: src_hook.Vue.delete
      } : instance
      const data = Object(util["o" /* has */])(instance._props, path, newKey)
        ? instance._props
        : instance._data
      Object(util["v" /* set */])(data, path, parsedValue, (obj, field, value) => {
        (remove || newKey) && api.$delete(obj, field)
        !remove && api.$set(obj, newKey || field, value)
      })
    } catch (e) {
      console.error(e)
    }
  }
}

function initRightClick () {
  if (!env["b" /* isBrowser */]) return
  // Start recording context menu when Vue is detected
  // event if Vue devtools are not loaded yet
  document.addEventListener('contextmenu', event => {
    const el = event.target
    if (el) {
      // Search for parent that "is" a component instance
      const instance = findRelatedComponent(el)
      if (instance) {
        window.__VUE_DEVTOOLS_CONTEXT_MENU_HAS_TARGET__ = true
        window.__VUE_DEVTOOLS_CONTEXT_MENU_TARGET__ = instance
        return
      }
    }
    window.__VUE_DEVTOOLS_CONTEXT_MENU_HAS_TARGET__ = null
    window.__VUE_DEVTOOLS_CONTEXT_MENU_TARGET__ = null
  })
}


/***/ }),

/***/ 15:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return stringify; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return parse; });
/* unused harmony export stringifyStrict */
const MAX_SERIALIZED_SIZE = 512 * 1024 // 1MB

function encode (data, replacer, list, seen) {
  let stored, key, value, i, l
  const seenIndex = seen.get(data)
  if (seenIndex != null) {
    return seenIndex
  }
  const index = list.length
  const proto = Object.prototype.toString.call(data)
  if (proto === '[object Object]') {
    stored = {}
    seen.set(data, index)
    list.push(stored)
    const keys = Object.keys(data)
    for (i = 0, l = keys.length; i < l; i++) {
      key = keys[i]
      value = data[key]
      if (replacer) value = replacer.call(data, key, value)
      stored[key] = encode(value, replacer, list, seen)
    }
  } else if (proto === '[object Array]') {
    stored = []
    seen.set(data, index)
    list.push(stored)
    for (i = 0, l = data.length; i < l; i++) {
      value = data[i]
      if (replacer) value = replacer.call(data, i, value)
      stored[i] = encode(value, replacer, list, seen)
    }
  } else {
    list.push(data)
  }
  return index
}

function decode (list, reviver) {
  let i = list.length
  let j, k, data, key, value, proto
  while (i--) {
    data = list[i]
    proto = Object.prototype.toString.call(data)
    if (proto === '[object Object]') {
      const keys = Object.keys(data)
      for (j = 0, k = keys.length; j < k; j++) {
        key = keys[j]
        value = list[data[key]]
        if (reviver) value = reviver.call(data, key, value)
        data[key] = value
      }
    } else if (proto === '[object Array]') {
      for (j = 0, k = data.length; j < k; j++) {
        value = list[data[j]]
        if (reviver) value = reviver.call(data, j, value)
        data[j] = value
      }
    }
  }
}

function stringify (data, replacer, space) {
  let result
  try {
    result = arguments.length === 1
      ? JSON.stringify(data)
      : JSON.stringify(data, replacer, space)
  } catch (e) {
    result = stringifyStrict(data, replacer, space)
  }
  if (result.length > MAX_SERIALIZED_SIZE) {
    const chunkCount = Math.ceil(result.length / MAX_SERIALIZED_SIZE)
    const chunks = []
    for (let i = 0; i < chunkCount; i++) {
      chunks.push(result.slice(i * MAX_SERIALIZED_SIZE, (i + 1) * MAX_SERIALIZED_SIZE))
    }
    return chunks
  }
  return result
}

function parse (data, reviver) {
  if (Array.isArray(data)) {
    data = data.join('')
  }
  const hasCircular = /^\s/.test(data)
  if (!hasCircular) {
    return arguments.length === 1
      ? JSON.parse(data)
      : JSON.parse(data, reviver)
  } else {
    const list = JSON.parse(data)
    decode(list, reviver)
    return list[0]
  }
}

function stringifyStrict (data, replacer, space) {
  const list = []
  encode(data, replacer, list, new Map())
  return space
    ? ' ' + JSON.stringify(list, null, space)
    : ' ' + JSON.stringify(list)
}


/***/ }),

/***/ 19:
/***/ (function(module, exports) {

// shim for using process in browser
var process = module.exports = {};

// cached from whatever global is present so that test runners that stub it
// don't break things.  But we need to wrap it in a try catch in case it is
// wrapped in strict mode code which doesn't define any globals.  It's inside a
// function because try/catches deoptimize in certain engines.

var cachedSetTimeout;
var cachedClearTimeout;

function defaultSetTimout() {
    throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
    throw new Error('clearTimeout has not been defined');
}
(function () {
    try {
        if (typeof setTimeout === 'function') {
            cachedSetTimeout = setTimeout;
        } else {
            cachedSetTimeout = defaultSetTimout;
        }
    } catch (e) {
        cachedSetTimeout = defaultSetTimout;
    }
    try {
        if (typeof clearTimeout === 'function') {
            cachedClearTimeout = clearTimeout;
        } else {
            cachedClearTimeout = defaultClearTimeout;
        }
    } catch (e) {
        cachedClearTimeout = defaultClearTimeout;
    }
} ())
function runTimeout(fun) {
    if (cachedSetTimeout === setTimeout) {
        //normal enviroments in sane situations
        return setTimeout(fun, 0);
    }
    // if setTimeout wasn't available but was latter defined
    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
        cachedSetTimeout = setTimeout;
        return setTimeout(fun, 0);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedSetTimeout(fun, 0);
    } catch(e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
            return cachedSetTimeout.call(null, fun, 0);
        } catch(e){
            // 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
            return cachedSetTimeout.call(this, fun, 0);
        }
    }


}
function runClearTimeout(marker) {
    if (cachedClearTimeout === clearTimeout) {
        //normal enviroments in sane situations
        return clearTimeout(marker);
    }
    // if clearTimeout wasn't available but was latter defined
    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
        cachedClearTimeout = clearTimeout;
        return clearTimeout(marker);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedClearTimeout(marker);
    } catch (e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
            return cachedClearTimeout.call(null, marker);
        } catch (e){
            // 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.
            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
            return cachedClearTimeout.call(this, marker);
        }
    }



}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;

function cleanUpNextTick() {
    if (!draining || !currentQueue) {
        return;
    }
    draining = false;
    if (currentQueue.length) {
        queue = currentQueue.concat(queue);
    } else {
        queueIndex = -1;
    }
    if (queue.length) {
        drainQueue();
    }
}

function drainQueue() {
    if (draining) {
        return;
    }
    var timeout = runTimeout(cleanUpNextTick);
    draining = true;

    var len = queue.length;
    while(len) {
        currentQueue = queue;
        queue = [];
        while (++queueIndex < len) {
            if (currentQueue) {
                currentQueue[queueIndex].run();
            }
        }
        queueIndex = -1;
        len = queue.length;
    }
    currentQueue = null;
    draining = false;
    runClearTimeout(timeout);
}

process.nextTick = function (fun) {
    var args = new Array(arguments.length - 1);
    if (arguments.length > 1) {
        for (var i = 1; i < arguments.length; i++) {
            args[i - 1] = arguments[i];
        }
    }
    queue.push(new Item(fun, args));
    if (queue.length === 1 && !draining) {
        runTimeout(drainQueue);
    }
};

// v8 likes predictible objects
function Item(fun, array) {
    this.fun = fun;
    this.array = array;
}
Item.prototype.run = function () {
    this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.prependListener = noop;
process.prependOnceListener = noop;

process.listeners = function (name) { return [] }

process.binding = function (name) {
    throw new Error('process.binding is not supported');
};

process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };


/***/ }),

/***/ 23:
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(process) {// .dirname, .basename, and .extname methods are extracted from Node.js v8.11.1,
// backported and transplited with Babel, with backwards-compat fixes

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

// resolves . and .. elements in a path array with directory names there
// must be no slashes, empty elements, or device names (c:\) in the array
// (so also no leading and trailing slashes - it does not distinguish
// relative and absolute paths)
function normalizeArray(parts, allowAboveRoot) {
  // if the path tries to go above the root, `up` ends up > 0
  var up = 0;
  for (var i = parts.length - 1; i >= 0; i--) {
    var last = parts[i];
    if (last === '.') {
      parts.splice(i, 1);
    } else if (last === '..') {
      parts.splice(i, 1);
      up++;
    } else if (up) {
      parts.splice(i, 1);
      up--;
    }
  }

  // if the path is allowed to go above the root, restore leading ..s
  if (allowAboveRoot) {
    for (; up--; up) {
      parts.unshift('..');
    }
  }

  return parts;
}

// path.resolve([from ...], to)
// posix version
exports.resolve = function() {
  var resolvedPath = '',
      resolvedAbsolute = false;

  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
    var path = (i >= 0) ? arguments[i] : process.cwd();

    // Skip empty and invalid entries
    if (typeof path !== 'string') {
      throw new TypeError('Arguments to path.resolve must be strings');
    } else if (!path) {
      continue;
    }

    resolvedPath = path + '/' + resolvedPath;
    resolvedAbsolute = path.charAt(0) === '/';
  }

  // At this point the path should be resolved to a full absolute path, but
  // handle relative paths to be safe (might happen when process.cwd() fails)

  // Normalize the path
  resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {
    return !!p;
  }), !resolvedAbsolute).join('/');

  return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
};

// path.normalize(path)
// posix version
exports.normalize = function(path) {
  var isAbsolute = exports.isAbsolute(path),
      trailingSlash = substr(path, -1) === '/';

  // Normalize the path
  path = normalizeArray(filter(path.split('/'), function(p) {
    return !!p;
  }), !isAbsolute).join('/');

  if (!path && !isAbsolute) {
    path = '.';
  }
  if (path && trailingSlash) {
    path += '/';
  }

  return (isAbsolute ? '/' : '') + path;
};

// posix version
exports.isAbsolute = function(path) {
  return path.charAt(0) === '/';
};

// posix version
exports.join = function() {
  var paths = Array.prototype.slice.call(arguments, 0);
  return exports.normalize(filter(paths, function(p, index) {
    if (typeof p !== 'string') {
      throw new TypeError('Arguments to path.join must be strings');
    }
    return p;
  }).join('/'));
};


// path.relative(from, to)
// posix version
exports.relative = function(from, to) {
  from = exports.resolve(from).substr(1);
  to = exports.resolve(to).substr(1);

  function trim(arr) {
    var start = 0;
    for (; start < arr.length; start++) {
      if (arr[start] !== '') break;
    }

    var end = arr.length - 1;
    for (; end >= 0; end--) {
      if (arr[end] !== '') break;
    }

    if (start > end) return [];
    return arr.slice(start, end - start + 1);
  }

  var fromParts = trim(from.split('/'));
  var toParts = trim(to.split('/'));

  var length = Math.min(fromParts.length, toParts.length);
  var samePartsLength = length;
  for (var i = 0; i < length; i++) {
    if (fromParts[i] !== toParts[i]) {
      samePartsLength = i;
      break;
    }
  }

  var outputParts = [];
  for (var i = samePartsLength; i < fromParts.length; i++) {
    outputParts.push('..');
  }

  outputParts = outputParts.concat(toParts.slice(samePartsLength));

  return outputParts.join('/');
};

exports.sep = '/';
exports.delimiter = ':';

exports.dirname = function (path) {
  if (typeof path !== 'string') path = path + '';
  if (path.length === 0) return '.';
  var code = path.charCodeAt(0);
  var hasRoot = code === 47 /*/*/;
  var end = -1;
  var matchedSlash = true;
  for (var i = path.length - 1; i >= 1; --i) {
    code = path.charCodeAt(i);
    if (code === 47 /*/*/) {
        if (!matchedSlash) {
          end = i;
          break;
        }
      } else {
      // We saw the first non-path separator
      matchedSlash = false;
    }
  }

  if (end === -1) return hasRoot ? '/' : '.';
  if (hasRoot && end === 1) {
    // return '//';
    // Backwards-compat fix:
    return '/';
  }
  return path.slice(0, end);
};

function basename(path) {
  if (typeof path !== 'string') path = path + '';

  var start = 0;
  var end = -1;
  var matchedSlash = true;
  var i;

  for (i = path.length - 1; i >= 0; --i) {
    if (path.charCodeAt(i) === 47 /*/*/) {
        // If we reached a path separator that was not part of a set of path
        // separators at the end of the string, stop now
        if (!matchedSlash) {
          start = i + 1;
          break;
        }
      } else if (end === -1) {
      // We saw the first non-path separator, mark this as the end of our
      // path component
      matchedSlash = false;
      end = i + 1;
    }
  }

  if (end === -1) return '';
  return path.slice(start, end);
}

// Uses a mixed approach for backwards-compatibility, as ext behavior changed
// in new Node.js versions, so only basename() above is backported here
exports.basename = function (path, ext) {
  var f = basename(path);
  if (ext && f.substr(-1 * ext.length) === ext) {
    f = f.substr(0, f.length - ext.length);
  }
  return f;
};

exports.extname = function (path) {
  if (typeof path !== 'string') path = path + '';
  var startDot = -1;
  var startPart = 0;
  var end = -1;
  var matchedSlash = true;
  // Track the state of characters (if any) we see before our first dot and
  // after any path separator we find
  var preDotState = 0;
  for (var i = path.length - 1; i >= 0; --i) {
    var code = path.charCodeAt(i);
    if (code === 47 /*/*/) {
        // If we reached a path separator that was not part of a set of path
        // separators at the end of the string, stop now
        if (!matchedSlash) {
          startPart = i + 1;
          break;
        }
        continue;
      }
    if (end === -1) {
      // We saw the first non-path separator, mark this as the end of our
      // extension
      matchedSlash = false;
      end = i + 1;
    }
    if (code === 46 /*.*/) {
        // If this is our first dot, mark it as the start of our extension
        if (startDot === -1)
          startDot = i;
        else if (preDotState !== 1)
          preDotState = 1;
    } else if (startDot !== -1) {
      // We saw a non-dot and non-path separator before our dot, so we should
      // have a good chance at having a non-empty extension
      preDotState = -1;
    }
  }

  if (startDot === -1 || end === -1 ||
      // We saw a non-dot character immediately before the dot
      preDotState === 0 ||
      // The (right-most) trimmed path component is exactly '..'
      preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) {
    return '';
  }
  return path.slice(startDot, end);
};

function filter (xs, f) {
    if (xs.filter) return xs.filter(f);
    var res = [];
    for (var i = 0; i < xs.length; i++) {
        if (f(xs[i], i, xs)) res.push(xs[i]);
    }
    return res;
}

// String.prototype.substr - negative index don't work in IE8
var substr = 'ab'.substr(-1) === 'b'
    ? function (str, start, len) { return str.substr(start, len) }
    : function (str, start, len) {
        if (start < 0) start = str.length + start;
        return str.substr(start, len);
    }
;

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(19)))

/***/ }),

/***/ 24:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return Bridge; });
/* harmony import */ var events__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(25);
/* harmony import */ var events__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(events__WEBPACK_IMPORTED_MODULE_0__);


const BATCH_DURATION = 100

class Bridge extends events__WEBPACK_IMPORTED_MODULE_0__["EventEmitter"] {
  constructor (wall) {
    super()
    this.setMaxListeners(Infinity)
    this.wall = wall
    wall.listen(messages => {
      if (Array.isArray(messages)) {
        messages.forEach(message => this._emit(message))
      } else {
        this._emit(messages)
      }
    })
    this._batchingQueue = []
    this._sendingQueue = []
    this._receivingQueue = []
    this._sending = false
    this._time = null
  }

  /**
   * Send an event.
   *
   * @param {String} event
   * @param {*} payload
   */

  send (event, payload) {
    if (Array.isArray(payload)) {
      const lastIndex = payload.length - 1
      payload.forEach((chunk, index) => {
        this._send({
          event,
          _chunk: chunk,
          last: index === lastIndex
        })
      })
      this._flush()
    } else if (this._time === null) {
      this._send([{ event, payload }])
      this._time = Date.now()
    } else {
      this._batchingQueue.push({
        event,
        payload
      })

      const now = Date.now()
      if (now - this._time > BATCH_DURATION) {
        this._flush()
      } else {
        this._timer = setTimeout(() => this._flush(), BATCH_DURATION)
      }
    }
  }

  /**
   * Log a message to the devtools background page.
   *
   * @param {String} message
   */

  log (message) {
    this.send('log', message)
  }

  _flush () {
    if (this._batchingQueue.length) this._send(this._batchingQueue)
    clearTimeout(this._timer)
    this._batchingQueue = []
    this._time = null
  }

  _emit (message) {
    if (typeof message === 'string') {
      this.emit(message)
    } else if (message._chunk) {
      this._receivingQueue.push(message._chunk)
      if (message.last) {
        this.emit(message.event, this._receivingQueue)
        this._receivingQueue = []
      }
    } else {
      this.emit(message.event, message.payload)
    }
  }

  _send (messages) {
    this._sendingQueue.push(messages)
    this._nextSend()
  }

  _nextSend () {
    if (!this._sendingQueue.length || this._sending) return
    this._sending = true
    const messages = this._sendingQueue.shift()
    try {
      this.wall.send(messages)
    } catch (err) {
      if (err.message === 'Message length exceeded maximum allowed length.') {
        this._sendingQueue.splice(0, 0, messages.map(message => [message]))
      }
    }
    this._sending = false
    requestAnimationFrame(() => this._nextSend())
  }
}


/***/ }),

/***/ 25:
/***/ (function(module, exports, __webpack_require__) {

"use strict";
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.



var R = typeof Reflect === 'object' ? Reflect : null
var ReflectApply = R && typeof R.apply === 'function'
  ? R.apply
  : function ReflectApply(target, receiver, args) {
    return Function.prototype.apply.call(target, receiver, args);
  }

var ReflectOwnKeys
if (R && typeof R.ownKeys === 'function') {
  ReflectOwnKeys = R.ownKeys
} else if (Object.getOwnPropertySymbols) {
  ReflectOwnKeys = function ReflectOwnKeys(target) {
    return Object.getOwnPropertyNames(target)
      .concat(Object.getOwnPropertySymbols(target));
  };
} else {
  ReflectOwnKeys = function ReflectOwnKeys(target) {
    return Object.getOwnPropertyNames(target);
  };
}

function ProcessEmitWarning(warning) {
  if (console && console.warn) console.warn(warning);
}

var NumberIsNaN = Number.isNaN || function NumberIsNaN(value) {
  return value !== value;
}

function EventEmitter() {
  EventEmitter.init.call(this);
}
module.exports = EventEmitter;

// Backwards-compat with node 0.10.x
EventEmitter.EventEmitter = EventEmitter;

EventEmitter.prototype._events = undefined;
EventEmitter.prototype._eventsCount = 0;
EventEmitter.prototype._maxListeners = undefined;

// By default EventEmitters will print a warning if more than 10 listeners are
// added to it. This is a useful default which helps finding memory leaks.
var defaultMaxListeners = 10;

Object.defineProperty(EventEmitter, 'defaultMaxListeners', {
  enumerable: true,
  get: function() {
    return defaultMaxListeners;
  },
  set: function(arg) {
    if (typeof arg !== 'number' || arg < 0 || NumberIsNaN(arg)) {
      throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received ' + arg + '.');
    }
    defaultMaxListeners = arg;
  }
});

EventEmitter.init = function() {

  if (this._events === undefined ||
      this._events === Object.getPrototypeOf(this)._events) {
    this._events = Object.create(null);
    this._eventsCount = 0;
  }

  this._maxListeners = this._maxListeners || undefined;
};

// Obviously not all Emitters should be limited to 10. This function allows
// that to be increased. Set to zero for unlimited.
EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {
  if (typeof n !== 'number' || n < 0 || NumberIsNaN(n)) {
    throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received ' + n + '.');
  }
  this._maxListeners = n;
  return this;
};

function $getMaxListeners(that) {
  if (that._maxListeners === undefined)
    return EventEmitter.defaultMaxListeners;
  return that._maxListeners;
}

EventEmitter.prototype.getMaxListeners = function getMaxListeners() {
  return $getMaxListeners(this);
};

EventEmitter.prototype.emit = function emit(type) {
  var args = [];
  for (var i = 1; i < arguments.length; i++) args.push(arguments[i]);
  var doError = (type === 'error');

  var events = this._events;
  if (events !== undefined)
    doError = (doError && events.error === undefined);
  else if (!doError)
    return false;

  // If there is no 'error' event listener then throw.
  if (doError) {
    var er;
    if (args.length > 0)
      er = args[0];
    if (er instanceof Error) {
      // Note: The comments on the `throw` lines are intentional, they show
      // up in Node's output if this results in an unhandled exception.
      throw er; // Unhandled 'error' event
    }
    // At least give some kind of context to the user
    var err = new Error('Unhandled error.' + (er ? ' (' + er.message + ')' : ''));
    err.context = er;
    throw err; // Unhandled 'error' event
  }

  var handler = events[type];

  if (handler === undefined)
    return false;

  if (typeof handler === 'function') {
    ReflectApply(handler, this, args);
  } else {
    var len = handler.length;
    var listeners = arrayClone(handler, len);
    for (var i = 0; i < len; ++i)
      ReflectApply(listeners[i], this, args);
  }

  return true;
};

function _addListener(target, type, listener, prepend) {
  var m;
  var events;
  var existing;

  if (typeof listener !== 'function') {
    throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener);
  }

  events = target._events;
  if (events === undefined) {
    events = target._events = Object.create(null);
    target._eventsCount = 0;
  } else {
    // To avoid recursion in the case that type === "newListener"! Before
    // adding it to the listeners, first emit "newListener".
    if (events.newListener !== undefined) {
      target.emit('newListener', type,
                  listener.listener ? listener.listener : listener);

      // Re-assign `events` because a newListener handler could have caused the
      // this._events to be assigned to a new object
      events = target._events;
    }
    existing = events[type];
  }

  if (existing === undefined) {
    // Optimize the case of one listener. Don't need the extra array object.
    existing = events[type] = listener;
    ++target._eventsCount;
  } else {
    if (typeof existing === 'function') {
      // Adding the second element, need to change to array.
      existing = events[type] =
        prepend ? [listener, existing] : [existing, listener];
      // If we've already got an array, just append.
    } else if (prepend) {
      existing.unshift(listener);
    } else {
      existing.push(listener);
    }

    // Check for listener leak
    m = $getMaxListeners(target);
    if (m > 0 && existing.length > m && !existing.warned) {
      existing.warned = true;
      // No error code for this since it is a Warning
      // eslint-disable-next-line no-restricted-syntax
      var w = new Error('Possible EventEmitter memory leak detected. ' +
                          existing.length + ' ' + String(type) + ' listeners ' +
                          'added. Use emitter.setMaxListeners() to ' +
                          'increase limit');
      w.name = 'MaxListenersExceededWarning';
      w.emitter = target;
      w.type = type;
      w.count = existing.length;
      ProcessEmitWarning(w);
    }
  }

  return target;
}

EventEmitter.prototype.addListener = function addListener(type, listener) {
  return _addListener(this, type, listener, false);
};

EventEmitter.prototype.on = EventEmitter.prototype.addListener;

EventEmitter.prototype.prependListener =
    function prependListener(type, listener) {
      return _addListener(this, type, listener, true);
    };

function onceWrapper() {
  var args = [];
  for (var i = 0; i < arguments.length; i++) args.push(arguments[i]);
  if (!this.fired) {
    this.target.removeListener(this.type, this.wrapFn);
    this.fired = true;
    ReflectApply(this.listener, this.target, args);
  }
}

function _onceWrap(target, type, listener) {
  var state = { fired: false, wrapFn: undefined, target: target, type: type, listener: listener };
  var wrapped = onceWrapper.bind(state);
  wrapped.listener = listener;
  state.wrapFn = wrapped;
  return wrapped;
}

EventEmitter.prototype.once = function once(type, listener) {
  if (typeof listener !== 'function') {
    throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener);
  }
  this.on(type, _onceWrap(this, type, listener));
  return this;
};

EventEmitter.prototype.prependOnceListener =
    function prependOnceListener(type, listener) {
      if (typeof listener !== 'function') {
        throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener);
      }
      this.prependListener(type, _onceWrap(this, type, listener));
      return this;
    };

// Emits a 'removeListener' event if and only if the listener was removed.
EventEmitter.prototype.removeListener =
    function removeListener(type, listener) {
      var list, events, position, i, originalListener;

      if (typeof listener !== 'function') {
        throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener);
      }

      events = this._events;
      if (events === undefined)
        return this;

      list = events[type];
      if (list === undefined)
        return this;

      if (list === listener || list.listener === listener) {
        if (--this._eventsCount === 0)
          this._events = Object.create(null);
        else {
          delete events[type];
          if (events.removeListener)
            this.emit('removeListener', type, list.listener || listener);
        }
      } else if (typeof list !== 'function') {
        position = -1;

        for (i = list.length - 1; i >= 0; i--) {
          if (list[i] === listener || list[i].listener === listener) {
            originalListener = list[i].listener;
            position = i;
            break;
          }
        }

        if (position < 0)
          return this;

        if (position === 0)
          list.shift();
        else {
          spliceOne(list, position);
        }

        if (list.length === 1)
          events[type] = list[0];

        if (events.removeListener !== undefined)
          this.emit('removeListener', type, originalListener || listener);
      }

      return this;
    };

EventEmitter.prototype.off = EventEmitter.prototype.removeListener;

EventEmitter.prototype.removeAllListeners =
    function removeAllListeners(type) {
      var listeners, events, i;

      events = this._events;
      if (events === undefined)
        return this;

      // not listening for removeListener, no need to emit
      if (events.removeListener === undefined) {
        if (arguments.length === 0) {
          this._events = Object.create(null);
          this._eventsCount = 0;
        } else if (events[type] !== undefined) {
          if (--this._eventsCount === 0)
            this._events = Object.create(null);
          else
            delete events[type];
        }
        return this;
      }

      // emit removeListener for all listeners on all events
      if (arguments.length === 0) {
        var keys = Object.keys(events);
        var key;
        for (i = 0; i < keys.length; ++i) {
          key = keys[i];
          if (key === 'removeListener') continue;
          this.removeAllListeners(key);
        }
        this.removeAllListeners('removeListener');
        this._events = Object.create(null);
        this._eventsCount = 0;
        return this;
      }

      listeners = events[type];

      if (typeof listeners === 'function') {
        this.removeListener(type, listeners);
      } else if (listeners !== undefined) {
        // LIFO order
        for (i = listeners.length - 1; i >= 0; i--) {
          this.removeListener(type, listeners[i]);
        }
      }

      return this;
    };

function _listeners(target, type, unwrap) {
  var events = target._events;

  if (events === undefined)
    return [];

  var evlistener = events[type];
  if (evlistener === undefined)
    return [];

  if (typeof evlistener === 'function')
    return unwrap ? [evlistener.listener || evlistener] : [evlistener];

  return unwrap ?
    unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length);
}

EventEmitter.prototype.listeners = function listeners(type) {
  return _listeners(this, type, true);
};

EventEmitter.prototype.rawListeners = function rawListeners(type) {
  return _listeners(this, type, false);
};

EventEmitter.listenerCount = function(emitter, type) {
  if (typeof emitter.listenerCount === 'function') {
    return emitter.listenerCount(type);
  } else {
    return listenerCount.call(emitter, type);
  }
};

EventEmitter.prototype.listenerCount = listenerCount;
function listenerCount(type) {
  var events = this._events;

  if (events !== undefined) {
    var evlistener = events[type];

    if (typeof evlistener === 'function') {
      return 1;
    } else if (evlistener !== undefined) {
      return evlistener.length;
    }
  }

  return 0;
}

EventEmitter.prototype.eventNames = function eventNames() {
  return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : [];
};

function arrayClone(arr, n) {
  var copy = new Array(n);
  for (var i = 0; i < n; ++i)
    copy[i] = arr[i];
  return copy;
}

function spliceOne(list, index) {
  for (; index + 1 < list.length; index++)
    list[index] = list[index + 1];
  list.pop();
}

function unwrapListeners(arr) {
  var ret = new Array(arr.length);
  for (var i = 0; i < ret.length; ++i) {
    ret[i] = arr[i].listener || arr[i];
  }
  return ret;
}


/***/ }),

/***/ 261:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _back__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(14);
/* harmony import */ var _utils_bridge__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(24);
// this is injected to the app page when the panel is activated.




window.addEventListener('message', handshake)

function sendListening () {
  window.postMessage({
    source: 'vue-devtools-backend-injection',
    payload: 'listening'
  }, '*')
}
sendListening()

function handshake (e) {
  if (e.data.source === 'vue-devtools-proxy' && e.data.payload === 'init') {
    window.removeEventListener('message', handshake)

    var listeners = []
    var bridge = new _utils_bridge__WEBPACK_IMPORTED_MODULE_1__[/* default */ "a"]({
      listen (fn) {
        var listener = evt => {
          if (evt.data.source === 'vue-devtools-proxy' && evt.data.payload) {
            fn(evt.data.payload)
          }
        }
        window.addEventListener('message', listener)
        listeners.push(listener)
      },
      send (data) {
        // if (process.env.NODE_ENV !== 'production') {
        //   console.log('[chrome] backend -> devtools', data)
        // }
        window.postMessage({
          source: 'vue-devtools-backend',
          payload: data
        }, '*')
      }
    })

    bridge.on('shutdown', () => {
      listeners.forEach(l => {
        window.removeEventListener('message', l)
      })
      listeners = []
    })

    Object(_back__WEBPACK_IMPORTED_MODULE_0__[/* initBackend */ "c"])(bridge)
  } else {
    sendListening()
  }
}


/***/ }),

/***/ 3:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "c", function() { return init; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return destroy; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "d", function() { return watch; });
/* harmony import */ var _storage__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(9);


// Initial state
const internalSharedData = {
  openInEditorHost: '/',
  componentNameStyle: 'class',
  theme: 'auto',
  displayDensity: 'low',
  timeFormat: 'default',
  recordVuex: true,
  cacheVuexSnapshotsEvery: 50,
  cacheVuexSnapshotsLimit: 10,
  snapshotLoading: false,
  recordPerf: false,
  editableProps: false,
  logDetected: true,
  vuexNewBackend: false,
  vuexAutoload: false,
  vuexGroupGettersByModule: true
}

const persisted = [
  'componentNameStyle',
  'theme',
  'displayDensity',
  'recordVuex',
  'editableProps',
  'logDetected',
  'vuexNewBackend',
  'vuexAutoload',
  'vuexGroupGettersByModule',
  'timeFormat'
]

// ---- INTERNALS ---- //

let Vue
let bridge
// List of fields to persist to storage (disabled if 'false')
// This should be unique to each shared data client to prevent conflicts
let persist = false
// For reactivity, we wrap the data in a Vue instance
let vm

let initRetryInterval
let initRetryCount = 0

function init (params) {
  return new Promise((resolve, reject) => {
    // Mandatory params
    bridge = params.bridge
    Vue = params.Vue
    persist = !!params.persist

    if (persist) {
      if (false) {}
      // Load persisted fields
      persisted.forEach(key => {
        const value = _storage__WEBPACK_IMPORTED_MODULE_0__[/* get */ "a"](`shared-data:${key}`)
        if (value !== null) {
          internalSharedData[key] = value
        }
      })
      bridge.on('shared-data:load', () => {
        // Send all fields
        Object.keys(internalSharedData).forEach(key => {
          sendValue(key, internalSharedData[key])
        })
        bridge.send('shared-data:load-complete')
      })
      bridge.on('shared-data:init-complete', () => {
        if (false) {}
        clearInterval(initRetryInterval)
        resolve()
      })

      bridge.send('shared-data:master-init-waiting')
      // In case backend init is executed after frontend
      bridge.on('shared-data:slave-init-waiting', () => {
        bridge.send('shared-data:master-init-waiting')
      })

      initRetryCount = 0
      initRetryInterval = setInterval(() => {
        if (false) {}
        bridge.send('shared-data:master-init-waiting')
        initRetryCount++
        if (initRetryCount > 30) {
          clearInterval(initRetryInterval)
          console.error('[shared data] Master init failed')
        }
      }, 2000)
    } else {
      if (false) {}
      bridge.on('shared-data:master-init-waiting', () => {
        if (false) {}
        // Load all persisted shared data
        bridge.send('shared-data:load')
        bridge.once('shared-data:load-complete', () => {
          if (false) {}
          bridge.send('shared-data:init-complete')
          resolve()
        })
      })
      bridge.send('shared-data:slave-init-waiting')
    }

    // Wrapper Vue instance
    vm = new Vue({
      data: internalSharedData
    })

    // Update value from other shared data clients
    bridge.on('shared-data:set', ({ key, value }) => {
      setValue(key, value)
    })
  })
}

function destroy () {
  bridge.removeAllListeners('shared-data:set')
  vm.$destroy()
}

function setValue (key, value) {
  // Storage
  if (persist && persisted.includes(key)) {
    _storage__WEBPACK_IMPORTED_MODULE_0__[/* set */ "c"](`shared-data:${key}`, value)
  }
  vm[key] = value
  // Validate Proxy set trap
  return true
}

function sendValue (key, value) {
  bridge && bridge.send('shared-data:set', {
    key,
    value
  })
}

function watch (...args) {
  vm.$watch(...args)
}

const proxy = {}
Object.keys(internalSharedData).forEach(key => {
  Object.defineProperty(proxy, key, {
    configurable: false,
    get: () => vm && vm.$data[key],
    set: (value) => {
      sendValue(key, value)
      setValue(key, value)
    }
  })
})

/* harmony default export */ __webpack_exports__["a"] = (proxy);


/***/ }),

/***/ 4:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* WEBPACK VAR INJECTION */(function(global, setImmediate) {/*!
 * Vue.js v2.6.10
 * (c) 2014-2019 Evan You
 * Released under the MIT License.
 */
/*  */

var emptyObject = Object.freeze({});

// These helpers produce better VM code in JS engines due to their
// explicitness and function inlining.
function isUndef (v) {
  return v === undefined || v === null
}

function isDef (v) {
  return v !== undefined && v !== null
}

function isTrue (v) {
  return v === true
}

function isFalse (v) {
  return v === false
}

/**
 * Check if value is primitive.
 */
function isPrimitive (value) {
  return (
    typeof value === 'string' ||
    typeof value === 'number' ||
    // $flow-disable-line
    typeof value === 'symbol' ||
    typeof value === 'boolean'
  )
}

/**
 * Quick object check - this is primarily used to tell
 * Objects from primitive values when we know the value
 * is a JSON-compliant type.
 */
function isObject (obj) {
  return obj !== null && typeof obj === 'object'
}

/**
 * Get the raw type string of a value, e.g., [object Object].
 */
var _toString = Object.prototype.toString;

function toRawType (value) {
  return _toString.call(value).slice(8, -1)
}

/**
 * Strict object type check. Only returns true
 * for plain JavaScript objects.
 */
function isPlainObject (obj) {
  return _toString.call(obj) === '[object Object]'
}

function isRegExp (v) {
  return _toString.call(v) === '[object RegExp]'
}

/**
 * Check if val is a valid array index.
 */
function isValidArrayIndex (val) {
  var n = parseFloat(String(val));
  return n >= 0 && Math.floor(n) === n && isFinite(val)
}

function isPromise (val) {
  return (
    isDef(val) &&
    typeof val.then === 'function' &&
    typeof val.catch === 'function'
  )
}

/**
 * Convert a value to a string that is actually rendered.
 */
function toString (val) {
  return val == null
    ? ''
    : Array.isArray(val) || (isPlainObject(val) && val.toString === _toString)
      ? JSON.stringify(val, null, 2)
      : String(val)
}

/**
 * Convert an input value to a number for persistence.
 * If the conversion fails, return original string.
 */
function toNumber (val) {
  var n = parseFloat(val);
  return isNaN(n) ? val : n
}

/**
 * Make a map and return a function for checking if a key
 * is in that map.
 */
function makeMap (
  str,
  expectsLowerCase
) {
  var map = Object.create(null);
  var list = str.split(',');
  for (var i = 0; i < list.length; i++) {
    map[list[i]] = true;
  }
  return expectsLowerCase
    ? function (val) { return map[val.toLowerCase()]; }
    : function (val) { return map[val]; }
}

/**
 * Check if a tag is a built-in tag.
 */
var isBuiltInTag = makeMap('slot,component', true);

/**
 * Check if an attribute is a reserved attribute.
 */
var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');

/**
 * Remove an item from an array.
 */
function remove (arr, item) {
  if (arr.length) {
    var index = arr.indexOf(item);
    if (index > -1) {
      return arr.splice(index, 1)
    }
  }
}

/**
 * Check whether an object has the property.
 */
var hasOwnProperty = Object.prototype.hasOwnProperty;
function hasOwn (obj, key) {
  return hasOwnProperty.call(obj, key)
}

/**
 * Create a cached version of a pure function.
 */
function cached (fn) {
  var cache = Object.create(null);
  return (function cachedFn (str) {
    var hit = cache[str];
    return hit || (cache[str] = fn(str))
  })
}

/**
 * Camelize a hyphen-delimited string.
 */
var camelizeRE = /-(\w)/g;
var camelize = cached(function (str) {
  return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
});

/**
 * Capitalize a string.
 */
var capitalize = cached(function (str) {
  return str.charAt(0).toUpperCase() + str.slice(1)
});

/**
 * Hyphenate a camelCase string.
 */
var hyphenateRE = /\B([A-Z])/g;
var hyphenate = cached(function (str) {
  return str.replace(hyphenateRE, '-$1').toLowerCase()
});

/**
 * Simple bind polyfill for environments that do not support it,
 * e.g., PhantomJS 1.x. Technically, we don't need this anymore
 * since native bind is now performant enough in most browsers.
 * But removing it would mean breaking code that was able to run in
 * PhantomJS 1.x, so this must be kept for backward compatibility.
 */

/* istanbul ignore next */
function polyfillBind (fn, ctx) {
  function boundFn (a) {
    var l = arguments.length;
    return l
      ? l > 1
        ? fn.apply(ctx, arguments)
        : fn.call(ctx, a)
      : fn.call(ctx)
  }

  boundFn._length = fn.length;
  return boundFn
}

function nativeBind (fn, ctx) {
  return fn.bind(ctx)
}

var bind = Function.prototype.bind
  ? nativeBind
  : polyfillBind;

/**
 * Convert an Array-like object to a real Array.
 */
function toArray (list, start) {
  start = start || 0;
  var i = list.length - start;
  var ret = new Array(i);
  while (i--) {
    ret[i] = list[i + start];
  }
  return ret
}

/**
 * Mix properties into target object.
 */
function extend (to, _from) {
  for (var key in _from) {
    to[key] = _from[key];
  }
  return to
}

/**
 * Merge an Array of Objects into a single Object.
 */
function toObject (arr) {
  var res = {};
  for (var i = 0; i < arr.length; i++) {
    if (arr[i]) {
      extend(res, arr[i]);
    }
  }
  return res
}

/* eslint-disable no-unused-vars */

/**
 * Perform no operation.
 * Stubbing args to make Flow happy without leaving useless transpiled code
 * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).
 */
function noop (a, b, c) {}

/**
 * Always return false.
 */
var no = function (a, b, c) { return false; };

/* eslint-enable no-unused-vars */

/**
 * Return the same value.
 */
var identity = function (_) { return _; };

/**
 * Check if two values are loosely equal - that is,
 * if they are plain objects, do they have the same shape?
 */
function looseEqual (a, b) {
  if (a === b) { return true }
  var isObjectA = isObject(a);
  var isObjectB = isObject(b);
  if (isObjectA && isObjectB) {
    try {
      var isArrayA = Array.isArray(a);
      var isArrayB = Array.isArray(b);
      if (isArrayA && isArrayB) {
        return a.length === b.length && a.every(function (e, i) {
          return looseEqual(e, b[i])
        })
      } else if (a instanceof Date && b instanceof Date) {
        return a.getTime() === b.getTime()
      } else if (!isArrayA && !isArrayB) {
        var keysA = Object.keys(a);
        var keysB = Object.keys(b);
        return keysA.length === keysB.length && keysA.every(function (key) {
          return looseEqual(a[key], b[key])
        })
      } else {
        /* istanbul ignore next */
        return false
      }
    } catch (e) {
      /* istanbul ignore next */
      return false
    }
  } else if (!isObjectA && !isObjectB) {
    return String(a) === String(b)
  } else {
    return false
  }
}

/**
 * Return the first index at which a loosely equal value can be
 * found in the array (if value is a plain object, the array must
 * contain an object of the same shape), or -1 if it is not present.
 */
function looseIndexOf (arr, val) {
  for (var i = 0; i < arr.length; i++) {
    if (looseEqual(arr[i], val)) { return i }
  }
  return -1
}

/**
 * Ensure a function is called only once.
 */
function once (fn) {
  var called = false;
  return function () {
    if (!called) {
      called = true;
      fn.apply(this, arguments);
    }
  }
}

var SSR_ATTR = 'data-server-rendered';

var ASSET_TYPES = [
  'component',
  'directive',
  'filter'
];

var LIFECYCLE_HOOKS = [
  'beforeCreate',
  'created',
  'beforeMount',
  'mounted',
  'beforeUpdate',
  'updated',
  'beforeDestroy',
  'destroyed',
  'activated',
  'deactivated',
  'errorCaptured',
  'serverPrefetch'
];

/*  */



var config = ({
  /**
   * Option merge strategies (used in core/util/options)
   */
  // $flow-disable-line
  optionMergeStrategies: Object.create(null),

  /**
   * Whether to suppress warnings.
   */
  silent: false,

  /**
   * Show production mode tip message on boot?
   */
  productionTip: "production" !== 'production',

  /**
   * Whether to enable devtools
   */
  devtools: "production" !== 'production',

  /**
   * Whether to record perf
   */
  performance: false,

  /**
   * Error handler for watcher errors
   */
  errorHandler: null,

  /**
   * Warn handler for watcher warns
   */
  warnHandler: null,

  /**
   * Ignore certain custom elements
   */
  ignoredElements: [],

  /**
   * Custom user key aliases for v-on
   */
  // $flow-disable-line
  keyCodes: Object.create(null),

  /**
   * Check if a tag is reserved so that it cannot be registered as a
   * component. This is platform-dependent and may be overwritten.
   */
  isReservedTag: no,

  /**
   * Check if an attribute is reserved so that it cannot be used as a component
   * prop. This is platform-dependent and may be overwritten.
   */
  isReservedAttr: no,

  /**
   * Check if a tag is an unknown element.
   * Platform-dependent.
   */
  isUnknownElement: no,

  /**
   * Get the namespace of an element
   */
  getTagNamespace: noop,

  /**
   * Parse the real tag name for the specific platform.
   */
  parsePlatformTagName: identity,

  /**
   * Check if an attribute must be bound using property, e.g. value
   * Platform-dependent.
   */
  mustUseProp: no,

  /**
   * Perform updates asynchronously. Intended to be used by Vue Test Utils
   * This will significantly reduce performance if set to false.
   */
  async: true,

  /**
   * Exposed for legacy reasons
   */
  _lifecycleHooks: LIFECYCLE_HOOKS
});

/*  */

/**
 * unicode letters used for parsing html tags, component names and property paths.
 * using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
 * skipping \u10000-\uEFFFF due to it freezing up PhantomJS
 */
var 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/;

/**
 * Check if a string starts with $ or _
 */
function isReserved (str) {
  var c = (str + '').charCodeAt(0);
  return c === 0x24 || c === 0x5F
}

/**
 * Define a property.
 */
function def (obj, key, val, enumerable) {
  Object.defineProperty(obj, key, {
    value: val,
    enumerable: !!enumerable,
    writable: true,
    configurable: true
  });
}

/**
 * Parse simple path.
 */
var bailRE = new RegExp(("[^" + (unicodeRegExp.source) + ".$_\\d]"));
function parsePath (path) {
  if (bailRE.test(path)) {
    return
  }
  var segments = path.split('.');
  return function (obj) {
    for (var i = 0; i < segments.length; i++) {
      if (!obj) { return }
      obj = obj[segments[i]];
    }
    return obj
  }
}

/*  */

// can we use __proto__?
var hasProto = '__proto__' in {};

// Browser environment sniffing
var inBrowser = typeof window !== 'undefined';
var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
var UA = inBrowser && window.navigator.userAgent.toLowerCase();
var isIE = UA && /msie|trident/.test(UA);
var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
var isEdge = UA && UA.indexOf('edge/') > 0;
var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');
var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');
var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
var isPhantomJS = UA && /phantomjs/.test(UA);
var isFF = UA && UA.match(/firefox\/(\d+)/);

// Firefox has a "watch" function on Object.prototype...
var nativeWatch = ({}).watch;

var supportsPassive = false;
if (inBrowser) {
  try {
    var opts = {};
    Object.defineProperty(opts, 'passive', ({
      get: function get () {
        /* istanbul ignore next */
        supportsPassive = true;
      }
    })); // https://github.com/facebook/flow/issues/285
    window.addEventListener('test-passive', null, opts);
  } catch (e) {}
}

// this needs to be lazy-evaled because vue may be required before
// vue-server-renderer can set VUE_ENV
var _isServer;
var isServerRendering = function () {
  if (_isServer === undefined) {
    /* istanbul ignore if */
    if (!inBrowser && !inWeex && typeof global !== 'undefined') {
      // detect presence of vue-server-renderer and avoid
      // Webpack shimming the process
      _isServer = global['process'] && global['process'].env.VUE_ENV === 'server';
    } else {
      _isServer = false;
    }
  }
  return _isServer
};

// detect devtools
var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;

/* istanbul ignore next */
function isNative (Ctor) {
  return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
}

var hasSymbol =
  typeof Symbol !== 'undefined' && isNative(Symbol) &&
  typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);

var _Set;
/* istanbul ignore if */ // $flow-disable-line
if (typeof Set !== 'undefined' && isNative(Set)) {
  // use native Set when available.
  _Set = Set;
} else {
  // a non-standard Set polyfill that only works with primitive keys.
  _Set = /*@__PURE__*/(function () {
    function Set () {
      this.set = Object.create(null);
    }
    Set.prototype.has = function has (key) {
      return this.set[key] === true
    };
    Set.prototype.add = function add (key) {
      this.set[key] = true;
    };
    Set.prototype.clear = function clear () {
      this.set = Object.create(null);
    };

    return Set;
  }());
}

/*  */

var warn = noop;
var tip = noop;
var generateComponentTrace = (noop); // work around flow check
var formatComponentName = (noop);

if (false) { var repeat, classify, classifyRE, hasConsole; }

/*  */

var uid = 0;

/**
 * A dep is an observable that can have multiple
 * directives subscribing to it.
 */
var Dep = function Dep () {
  this.id = uid++;
  this.subs = [];
};

Dep.prototype.addSub = function addSub (sub) {
  this.subs.push(sub);
};

Dep.prototype.removeSub = function removeSub (sub) {
  remove(this.subs, sub);
};

Dep.prototype.depend = function depend () {
  if (Dep.target) {
    Dep.target.addDep(this);
  }
};

Dep.prototype.notify = function notify () {
  // stabilize the subscriber list first
  var subs = this.subs.slice();
  if (false) {}
  for (var i = 0, l = subs.length; i < l; i++) {
    subs[i].update();
  }
};

// The current target watcher being evaluated.
// This is globally unique because only one watcher
// can be evaluated at a time.
Dep.target = null;
var targetStack = [];

function pushTarget (target) {
  targetStack.push(target);
  Dep.target = target;
}

function popTarget () {
  targetStack.pop();
  Dep.target = targetStack[targetStack.length - 1];
}

/*  */

var VNode = function VNode (
  tag,
  data,
  children,
  text,
  elm,
  context,
  componentOptions,
  asyncFactory
) {
  this.tag = tag;
  this.data = data;
  this.children = children;
  this.text = text;
  this.elm = elm;
  this.ns = undefined;
  this.context = context;
  this.fnContext = undefined;
  this.fnOptions = undefined;
  this.fnScopeId = undefined;
  this.key = data && data.key;
  this.componentOptions = componentOptions;
  this.componentInstance = undefined;
  this.parent = undefined;
  this.raw = false;
  this.isStatic = false;
  this.isRootInsert = true;
  this.isComment = false;
  this.isCloned = false;
  this.isOnce = false;
  this.asyncFactory = asyncFactory;
  this.asyncMeta = undefined;
  this.isAsyncPlaceholder = false;
};

var prototypeAccessors = { child: { configurable: true } };

// DEPRECATED: alias for componentInstance for backwards compat.
/* istanbul ignore next */
prototypeAccessors.child.get = function () {
  return this.componentInstance
};

Object.defineProperties( VNode.prototype, prototypeAccessors );

var createEmptyVNode = function (text) {
  if ( text === void 0 ) text = '';

  var node = new VNode();
  node.text = text;
  node.isComment = true;
  return node
};

function createTextVNode (val) {
  return new VNode(undefined, undefined, undefined, String(val))
}

// optimized shallow clone
// used for static nodes and slot nodes because they may be reused across
// multiple renders, cloning them avoids errors when DOM manipulations rely
// on their elm reference.
function cloneVNode (vnode) {
  var cloned = new VNode(
    vnode.tag,
    vnode.data,
    // #7975
    // clone children array to avoid mutating original in case of cloning
    // a child.
    vnode.children && vnode.children.slice(),
    vnode.text,
    vnode.elm,
    vnode.context,
    vnode.componentOptions,
    vnode.asyncFactory
  );
  cloned.ns = vnode.ns;
  cloned.isStatic = vnode.isStatic;
  cloned.key = vnode.key;
  cloned.isComment = vnode.isComment;
  cloned.fnContext = vnode.fnContext;
  cloned.fnOptions = vnode.fnOptions;
  cloned.fnScopeId = vnode.fnScopeId;
  cloned.asyncMeta = vnode.asyncMeta;
  cloned.isCloned = true;
  return cloned
}

/*
 * not type checking this file because flow doesn't play well with
 * dynamically accessing methods on Array prototype
 */

var arrayProto = Array.prototype;
var arrayMethods = Object.create(arrayProto);

var methodsToPatch = [
  'push',
  'pop',
  'shift',
  'unshift',
  'splice',
  'sort',
  'reverse'
];

/**
 * Intercept mutating methods and emit events
 */
methodsToPatch.forEach(function (method) {
  // cache original method
  var original = arrayProto[method];
  def(arrayMethods, method, function mutator () {
    var args = [], len = arguments.length;
    while ( len-- ) args[ len ] = arguments[ len ];

    var result = original.apply(this, args);
    var ob = this.__ob__;
    var inserted;
    switch (method) {
      case 'push':
      case 'unshift':
        inserted = args;
        break
      case 'splice':
        inserted = args.slice(2);
        break
    }
    if (inserted) { ob.observeArray(inserted); }
    // notify change
    ob.dep.notify();
    return result
  });
});

/*  */

var arrayKeys = Object.getOwnPropertyNames(arrayMethods);

/**
 * In some cases we may want to disable observation inside a component's
 * update computation.
 */
var shouldObserve = true;

function toggleObserving (value) {
  shouldObserve = value;
}

/**
 * Observer class that is attached to each observed
 * object. Once attached, the observer converts the target
 * object's property keys into getter/setters that
 * collect dependencies and dispatch updates.
 */
var Observer = function Observer (value) {
  this.value = value;
  this.dep = new Dep();
  this.vmCount = 0;
  def(value, '__ob__', this);
  if (Array.isArray(value)) {
    if (hasProto) {
      protoAugment(value, arrayMethods);
    } else {
      copyAugment(value, arrayMethods, arrayKeys);
    }
    this.observeArray(value);
  } else {
    this.walk(value);
  }
};

/**
 * Walk through all properties and convert them into
 * getter/setters. This method should only be called when
 * value type is Object.
 */
Observer.prototype.walk = function walk (obj) {
  var keys = Object.keys(obj);
  for (var i = 0; i < keys.length; i++) {
    defineReactive$$1(obj, keys[i]);
  }
};

/**
 * Observe a list of Array items.
 */
Observer.prototype.observeArray = function observeArray (items) {
  for (var i = 0, l = items.length; i < l; i++) {
    observe(items[i]);
  }
};

// helpers

/**
 * Augment a target Object or Array by intercepting
 * the prototype chain using __proto__
 */
function protoAugment (target, src) {
  /* eslint-disable no-proto */
  target.__proto__ = src;
  /* eslint-enable no-proto */
}

/**
 * Augment a target Object or Array by defining
 * hidden properties.
 */
/* istanbul ignore next */
function copyAugment (target, src, keys) {
  for (var i = 0, l = keys.length; i < l; i++) {
    var key = keys[i];
    def(target, key, src[key]);
  }
}

/**
 * Attempt to create an observer instance for a value,
 * returns the new observer if successfully observed,
 * or the existing observer if the value already has one.
 */
function observe (value, asRootData) {
  if (!isObject(value) || value instanceof VNode) {
    return
  }
  var ob;
  if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
    ob = value.__ob__;
  } else if (
    shouldObserve &&
    !isServerRendering() &&
    (Array.isArray(value) || isPlainObject(value)) &&
    Object.isExtensible(value) &&
    !value._isVue
  ) {
    ob = new Observer(value);
  }
  if (asRootData && ob) {
    ob.vmCount++;
  }
  return ob
}

/**
 * Define a reactive property on an Object.
 */
function defineReactive$$1 (
  obj,
  key,
  val,
  customSetter,
  shallow
) {
  var dep = new Dep();

  var property = Object.getOwnPropertyDescriptor(obj, key);
  if (property && property.configurable === false) {
    return
  }

  // cater for pre-defined getter/setters
  var getter = property && property.get;
  var setter = property && property.set;
  if ((!getter || setter) && arguments.length === 2) {
    val = obj[key];
  }

  var childOb = !shallow && observe(val);
  Object.defineProperty(obj, key, {
    enumerable: true,
    configurable: true,
    get: function reactiveGetter () {
      var value = getter ? getter.call(obj) : val;
      if (Dep.target) {
        dep.depend();
        if (childOb) {
          childOb.dep.depend();
          if (Array.isArray(value)) {
            dependArray(value);
          }
        }
      }
      return value
    },
    set: function reactiveSetter (newVal) {
      var value = getter ? getter.call(obj) : val;
      /* eslint-disable no-self-compare */
      if (newVal === value || (newVal !== newVal && value !== value)) {
        return
      }
      /* eslint-enable no-self-compare */
      if (false) {}
      // #7981: for accessor properties without setter
      if (getter && !setter) { return }
      if (setter) {
        setter.call(obj, newVal);
      } else {
        val = newVal;
      }
      childOb = !shallow && observe(newVal);
      dep.notify();
    }
  });
}

/**
 * Set a property on an object. Adds the new property and
 * triggers change notification if the property doesn't
 * already exist.
 */
function set (target, key, val) {
  if (false
  ) {}
  if (Array.isArray(target) && isValidArrayIndex(key)) {
    target.length = Math.max(target.length, key);
    target.splice(key, 1, val);
    return val
  }
  if (key in target && !(key in Object.prototype)) {
    target[key] = val;
    return val
  }
  var ob = (target).__ob__;
  if (target._isVue || (ob && ob.vmCount)) {
     false && false;
    return val
  }
  if (!ob) {
    target[key] = val;
    return val
  }
  defineReactive$$1(ob.value, key, val);
  ob.dep.notify();
  return val
}

/**
 * Delete a property and trigger change if necessary.
 */
function del (target, key) {
  if (false
  ) {}
  if (Array.isArray(target) && isValidArrayIndex(key)) {
    target.splice(key, 1);
    return
  }
  var ob = (target).__ob__;
  if (target._isVue || (ob && ob.vmCount)) {
     false && false;
    return
  }
  if (!hasOwn(target, key)) {
    return
  }
  delete target[key];
  if (!ob) {
    return
  }
  ob.dep.notify();
}

/**
 * Collect dependencies on array elements when the array is touched, since
 * we cannot intercept array element access like property getters.
 */
function dependArray (value) {
  for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
    e = value[i];
    e && e.__ob__ && e.__ob__.dep.depend();
    if (Array.isArray(e)) {
      dependArray(e);
    }
  }
}

/*  */

/**
 * Option overwriting strategies are functions that handle
 * how to merge a parent option value and a child option
 * value into the final value.
 */
var strats = config.optionMergeStrategies;

/**
 * Options with restrictions
 */
if (false) {}

/**
 * Helper that recursively merges two data objects together.
 */
function mergeData (to, from) {
  if (!from) { return to }
  var key, toVal, fromVal;

  var keys = hasSymbol
    ? Reflect.ownKeys(from)
    : Object.keys(from);

  for (var i = 0; i < keys.length; i++) {
    key = keys[i];
    // in case the object is already observed...
    if (key === '__ob__') { continue }
    toVal = to[key];
    fromVal = from[key];
    if (!hasOwn(to, key)) {
      set(to, key, fromVal);
    } else if (
      toVal !== fromVal &&
      isPlainObject(toVal) &&
      isPlainObject(fromVal)
    ) {
      mergeData(toVal, fromVal);
    }
  }
  return to
}

/**
 * Data
 */
function mergeDataOrFn (
  parentVal,
  childVal,
  vm
) {
  if (!vm) {
    // in a Vue.extend merge, both should be functions
    if (!childVal) {
      return parentVal
    }
    if (!parentVal) {
      return childVal
    }
    // when parentVal & childVal are both present,
    // we need to return a function that returns the
    // merged result of both functions... no need to
    // check if parentVal is a function here because
    // it has to be a function to pass previous merges.
    return function mergedDataFn () {
      return mergeData(
        typeof childVal === 'function' ? childVal.call(this, this) : childVal,
        typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal
      )
    }
  } else {
    return function mergedInstanceDataFn () {
      // instance merge
      var instanceData = typeof childVal === 'function'
        ? childVal.call(vm, vm)
        : childVal;
      var defaultData = typeof parentVal === 'function'
        ? parentVal.call(vm, vm)
        : parentVal;
      if (instanceData) {
        return mergeData(instanceData, defaultData)
      } else {
        return defaultData
      }
    }
  }
}

strats.data = function (
  parentVal,
  childVal,
  vm
) {
  if (!vm) {
    if (childVal && typeof childVal !== 'function') {
       false && false;

      return parentVal
    }
    return mergeDataOrFn(parentVal, childVal)
  }

  return mergeDataOrFn(parentVal, childVal, vm)
};

/**
 * Hooks and props are merged as arrays.
 */
function mergeHook (
  parentVal,
  childVal
) {
  var res = childVal
    ? parentVal
      ? parentVal.concat(childVal)
      : Array.isArray(childVal)
        ? childVal
        : [childVal]
    : parentVal;
  return res
    ? dedupeHooks(res)
    : res
}

function dedupeHooks (hooks) {
  var res = [];
  for (var i = 0; i < hooks.length; i++) {
    if (res.indexOf(hooks[i]) === -1) {
      res.push(hooks[i]);
    }
  }
  return res
}

LIFECYCLE_HOOKS.forEach(function (hook) {
  strats[hook] = mergeHook;
});

/**
 * Assets
 *
 * When a vm is present (instance creation), we need to do
 * a three-way merge between constructor options, instance
 * options and parent options.
 */
function mergeAssets (
  parentVal,
  childVal,
  vm,
  key
) {
  var res = Object.create(parentVal || null);
  if (childVal) {
     false && false;
    return extend(res, childVal)
  } else {
    return res
  }
}

ASSET_TYPES.forEach(function (type) {
  strats[type + 's'] = mergeAssets;
});

/**
 * Watchers.
 *
 * Watchers hashes should not overwrite one
 * another, so we merge them as arrays.
 */
strats.watch = function (
  parentVal,
  childVal,
  vm,
  key
) {
  // work around Firefox's Object.prototype.watch...
  if (parentVal === nativeWatch) { parentVal = undefined; }
  if (childVal === nativeWatch) { childVal = undefined; }
  /* istanbul ignore if */
  if (!childVal) { return Object.create(parentVal || null) }
  if (false) {}
  if (!parentVal) { return childVal }
  var ret = {};
  extend(ret, parentVal);
  for (var key$1 in childVal) {
    var parent = ret[key$1];
    var child = childVal[key$1];
    if (parent && !Array.isArray(parent)) {
      parent = [parent];
    }
    ret[key$1] = parent
      ? parent.concat(child)
      : Array.isArray(child) ? child : [child];
  }
  return ret
};

/**
 * Other object hashes.
 */
strats.props =
strats.methods =
strats.inject =
strats.computed = function (
  parentVal,
  childVal,
  vm,
  key
) {
  if (childVal && "production" !== 'production') {
    assertObjectType(key, childVal, vm);
  }
  if (!parentVal) { return childVal }
  var ret = Object.create(null);
  extend(ret, parentVal);
  if (childVal) { extend(ret, childVal); }
  return ret
};
strats.provide = mergeDataOrFn;

/**
 * Default strategy.
 */
var defaultStrat = function (parentVal, childVal) {
  return childVal === undefined
    ? parentVal
    : childVal
};

/**
 * Validate component names
 */
function checkComponents (options) {
  for (var key in options.components) {
    validateComponentName(key);
  }
}

function validateComponentName (name) {
  if (!new RegExp(("^[a-zA-Z][\\-\\.0-9_" + (unicodeRegExp.source) + "]*$")).test(name)) {
    warn(
      'Invalid component name: "' + name + '". Component names ' +
      'should conform to valid custom element name in html5 specification.'
    );
  }
  if (isBuiltInTag(name) || config.isReservedTag(name)) {
    warn(
      'Do not use built-in or reserved HTML elements as component ' +
      'id: ' + name
    );
  }
}

/**
 * Ensure all props option syntax are normalized into the
 * Object-based format.
 */
function normalizeProps (options, vm) {
  var props = options.props;
  if (!props) { return }
  var res = {};
  var i, val, name;
  if (Array.isArray(props)) {
    i = props.length;
    while (i--) {
      val = props[i];
      if (typeof val === 'string') {
        name = camelize(val);
        res[name] = { type: null };
      } else if (false) {}
    }
  } else if (isPlainObject(props)) {
    for (var key in props) {
      val = props[key];
      name = camelize(key);
      res[name] = isPlainObject(val)
        ? val
        : { type: val };
    }
  } else if (false) {}
  options.props = res;
}

/**
 * Normalize all injections into Object-based format
 */
function normalizeInject (options, vm) {
  var inject = options.inject;
  if (!inject) { return }
  var normalized = options.inject = {};
  if (Array.isArray(inject)) {
    for (var i = 0; i < inject.length; i++) {
      normalized[inject[i]] = { from: inject[i] };
    }
  } else if (isPlainObject(inject)) {
    for (var key in inject) {
      var val = inject[key];
      normalized[key] = isPlainObject(val)
        ? extend({ from: key }, val)
        : { from: val };
    }
  } else if (false) {}
}

/**
 * Normalize raw function directives into object format.
 */
function normalizeDirectives (options) {
  var dirs = options.directives;
  if (dirs) {
    for (var key in dirs) {
      var def$$1 = dirs[key];
      if (typeof def$$1 === 'function') {
        dirs[key] = { bind: def$$1, update: def$$1 };
      }
    }
  }
}

function assertObjectType (name, value, vm) {
  if (!isPlainObject(value)) {
    warn(
      "Invalid value for option \"" + name + "\": expected an Object, " +
      "but got " + (toRawType(value)) + ".",
      vm
    );
  }
}

/**
 * Merge two option objects into a new one.
 * Core utility used in both instantiation and inheritance.
 */
function mergeOptions (
  parent,
  child,
  vm
) {
  if (false) {}

  if (typeof child === 'function') {
    child = child.options;
  }

  normalizeProps(child, vm);
  normalizeInject(child, vm);
  normalizeDirectives(child);

  // Apply extends and mixins on the child options,
  // but only if it is a raw options object that isn't
  // the result of another mergeOptions call.
  // Only merged options has the _base property.
  if (!child._base) {
    if (child.extends) {
      parent = mergeOptions(parent, child.extends, vm);
    }
    if (child.mixins) {
      for (var i = 0, l = child.mixins.length; i < l; i++) {
        parent = mergeOptions(parent, child.mixins[i], vm);
      }
    }
  }

  var options = {};
  var key;
  for (key in parent) {
    mergeField(key);
  }
  for (key in child) {
    if (!hasOwn(parent, key)) {
      mergeField(key);
    }
  }
  function mergeField (key) {
    var strat = strats[key] || defaultStrat;
    options[key] = strat(parent[key], child[key], vm, key);
  }
  return options
}

/**
 * Resolve an asset.
 * This function is used because child instances need access
 * to assets defined in its ancestor chain.
 */
function resolveAsset (
  options,
  type,
  id,
  warnMissing
) {
  /* istanbul ignore if */
  if (typeof id !== 'string') {
    return
  }
  var assets = options[type];
  // check local registration variations first
  if (hasOwn(assets, id)) { return assets[id] }
  var camelizedId = camelize(id);
  if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }
  var PascalCaseId = capitalize(camelizedId);
  if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }
  // fallback to prototype chain
  var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
  if (false) {}
  return res
}

/*  */



function validateProp (
  key,
  propOptions,
  propsData,
  vm
) {
  var prop = propOptions[key];
  var absent = !hasOwn(propsData, key);
  var value = propsData[key];
  // boolean casting
  var booleanIndex = getTypeIndex(Boolean, prop.type);
  if (booleanIndex > -1) {
    if (absent && !hasOwn(prop, 'default')) {
      value = false;
    } else if (value === '' || value === hyphenate(key)) {
      // only cast empty string / same name to boolean if
      // boolean has higher priority
      var stringIndex = getTypeIndex(String, prop.type);
      if (stringIndex < 0 || booleanIndex < stringIndex) {
        value = true;
      }
    }
  }
  // check default value
  if (value === undefined) {
    value = getPropDefaultValue(vm, prop, key);
    // since the default value is a fresh copy,
    // make sure to observe it.
    var prevShouldObserve = shouldObserve;
    toggleObserving(true);
    observe(value);
    toggleObserving(prevShouldObserve);
  }
  if (
    false
  ) {}
  return value
}

/**
 * Get the default value of a prop.
 */
function getPropDefaultValue (vm, prop, key) {
  // no default, return undefined
  if (!hasOwn(prop, 'default')) {
    return undefined
  }
  var def = prop.default;
  // warn against non-factory defaults for Object & Array
  if (false) {}
  // the raw prop value was also undefined from previous render,
  // return previous default value to avoid unnecessary watcher trigger
  if (vm && vm.$options.propsData &&
    vm.$options.propsData[key] === undefined &&
    vm._props[key] !== undefined
  ) {
    return vm._props[key]
  }
  // call factory function for non-Function types
  // a value is Function if its prototype is function even across different execution context
  return typeof def === 'function' && getType(prop.type) !== 'Function'
    ? def.call(vm)
    : def
}

/**
 * Assert whether a prop is valid.
 */
function assertProp (
  prop,
  name,
  value,
  vm,
  absent
) {
  if (prop.required && absent) {
    warn(
      'Missing required prop: "' + name + '"',
      vm
    );
    return
  }
  if (value == null && !prop.required) {
    return
  }
  var type = prop.type;
  var valid = !type || type === true;
  var expectedTypes = [];
  if (type) {
    if (!Array.isArray(type)) {
      type = [type];
    }
    for (var i = 0; i < type.length && !valid; i++) {
      var assertedType = assertType(value, type[i]);
      expectedTypes.push(assertedType.expectedType || '');
      valid = assertedType.valid;
    }
  }

  if (!valid) {
    warn(
      getInvalidTypeMessage(name, value, expectedTypes),
      vm
    );
    return
  }
  var validator = prop.validator;
  if (validator) {
    if (!validator(value)) {
      warn(
        'Invalid prop: custom validator check failed for prop "' + name + '".',
        vm
      );
    }
  }
}

var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;

function assertType (value, type) {
  var valid;
  var expectedType = getType(type);
  if (simpleCheckRE.test(expectedType)) {
    var t = typeof value;
    valid = t === expectedType.toLowerCase();
    // for primitive wrapper objects
    if (!valid && t === 'object') {
      valid = value instanceof type;
    }
  } else if (expectedType === 'Object') {
    valid = isPlainObject(value);
  } else if (expectedType === 'Array') {
    valid = Array.isArray(value);
  } else {
    valid = value instanceof type;
  }
  return {
    valid: valid,
    expectedType: expectedType
  }
}

/**
 * Use function string name to check built-in types,
 * because a simple equality check will fail when running
 * across different vms / iframes.
 */
function getType (fn) {
  var match = fn && fn.toString().match(/^\s*function (\w+)/);
  return match ? match[1] : ''
}

function isSameType (a, b) {
  return getType(a) === getType(b)
}

function getTypeIndex (type, expectedTypes) {
  if (!Array.isArray(expectedTypes)) {
    return isSameType(expectedTypes, type) ? 0 : -1
  }
  for (var i = 0, len = expectedTypes.length; i < len; i++) {
    if (isSameType(expectedTypes[i], type)) {
      return i
    }
  }
  return -1
}

function getInvalidTypeMessage (name, value, expectedTypes) {
  var message = "Invalid prop: type check failed for prop \"" + name + "\"." +
    " Expected " + (expectedTypes.map(capitalize).join(', '));
  var expectedType = expectedTypes[0];
  var receivedType = toRawType(value);
  var expectedValue = styleValue(value, expectedType);
  var receivedValue = styleValue(value, receivedType);
  // check if we need to specify expected value
  if (expectedTypes.length === 1 &&
      isExplicable(expectedType) &&
      !isBoolean(expectedType, receivedType)) {
    message += " with value " + expectedValue;
  }
  message += ", got " + receivedType + " ";
  // check if we need to specify received value
  if (isExplicable(receivedType)) {
    message += "with value " + receivedValue + ".";
  }
  return message
}

function styleValue (value, type) {
  if (type === 'String') {
    return ("\"" + value + "\"")
  } else if (type === 'Number') {
    return ("" + (Number(value)))
  } else {
    return ("" + value)
  }
}

function isExplicable (value) {
  var explicitTypes = ['string', 'number', 'boolean'];
  return explicitTypes.some(function (elem) { return value.toLowerCase() === elem; })
}

function isBoolean () {
  var args = [], len = arguments.length;
  while ( len-- ) args[ len ] = arguments[ len ];

  return args.some(function (elem) { return elem.toLowerCase() === 'boolean'; })
}

/*  */

function handleError (err, vm, info) {
  // Deactivate deps tracking while processing error handler to avoid possible infinite rendering.
  // See: https://github.com/vuejs/vuex/issues/1505
  pushTarget();
  try {
    if (vm) {
      var cur = vm;
      while ((cur = cur.$parent)) {
        var hooks = cur.$options.errorCaptured;
        if (hooks) {
          for (var i = 0; i < hooks.length; i++) {
            try {
              var capture = hooks[i].call(cur, err, vm, info) === false;
              if (capture) { return }
            } catch (e) {
              globalHandleError(e, cur, 'errorCaptured hook');
            }
          }
        }
      }
    }
    globalHandleError(err, vm, info);
  } finally {
    popTarget();
  }
}

function invokeWithErrorHandling (
  handler,
  context,
  args,
  vm,
  info
) {
  var res;
  try {
    res = args ? handler.apply(context, args) : handler.call(context);
    if (res && !res._isVue && isPromise(res) && !res._handled) {
      res.catch(function (e) { return handleError(e, vm, info + " (Promise/async)"); });
      // issue #9511
      // avoid catch triggering multiple times when nested calls
      res._handled = true;
    }
  } catch (e) {
    handleError(e, vm, info);
  }
  return res
}

function globalHandleError (err, vm, info) {
  if (config.errorHandler) {
    try {
      return config.errorHandler.call(null, err, vm, info)
    } catch (e) {
      // if the user intentionally throws the original error in the handler,
      // do not log it twice
      if (e !== err) {
        logError(e, null, 'config.errorHandler');
      }
    }
  }
  logError(err, vm, info);
}

function logError (err, vm, info) {
  if (false) {}
  /* istanbul ignore else */
  if ((inBrowser || inWeex) && typeof console !== 'undefined') {
    console.error(err);
  } else {
    throw err
  }
}

/*  */

var isUsingMicroTask = false;

var callbacks = [];
var pending = false;

function flushCallbacks () {
  pending = false;
  var copies = callbacks.slice(0);
  callbacks.length = 0;
  for (var i = 0; i < copies.length; i++) {
    copies[i]();
  }
}

// Here we have async deferring wrappers using microtasks.
// In 2.5 we used (macro) tasks (in combination with microtasks).
// However, it has subtle problems when state is changed right before repaint
// (e.g. #6813, out-in transitions).
// Also, using (macro) tasks in event handler would cause some weird behaviors
// that cannot be circumvented (e.g. #7109, #7153, #7546, #7834, #8109).
// So we now use microtasks everywhere, again.
// A major drawback of this tradeoff is that there are some scenarios
// where microtasks have too high a priority and fire in between supposedly
// sequential events (e.g. #4521, #6690, which have workarounds)
// or even between bubbling of the same event (#6566).
var timerFunc;

// The nextTick behavior leverages the microtask queue, which can be accessed
// via either native Promise.then or MutationObserver.
// MutationObserver has wider support, however it is seriously bugged in
// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
// completely stops working after triggering a few times... so, if native
// Promise is available, we will use it:
/* istanbul ignore next, $flow-disable-line */
if (typeof Promise !== 'undefined' && isNative(Promise)) {
  var p = Promise.resolve();
  timerFunc = function () {
    p.then(flushCallbacks);
    // In problematic UIWebViews, Promise.then doesn't completely break, but
    // it can get stuck in a weird state where callbacks are pushed into the
    // microtask queue but the queue isn't being flushed, until the browser
    // needs to do some other work, e.g. handle a timer. Therefore we can
    // "force" the microtask queue to be flushed by adding an empty timer.
    if (isIOS) { setTimeout(noop); }
  };
  isUsingMicroTask = true;
} else if (!isIE && typeof MutationObserver !== 'undefined' && (
  isNative(MutationObserver) ||
  // PhantomJS and iOS 7.x
  MutationObserver.toString() === '[object MutationObserverConstructor]'
)) {
  // Use MutationObserver where native Promise is not available,
  // e.g. PhantomJS, iOS7, Android 4.4
  // (#6466 MutationObserver is unreliable in IE11)
  var counter = 1;
  var observer = new MutationObserver(flushCallbacks);
  var textNode = document.createTextNode(String(counter));
  observer.observe(textNode, {
    characterData: true
  });
  timerFunc = function () {
    counter = (counter + 1) % 2;
    textNode.data = String(counter);
  };
  isUsingMicroTask = true;
} else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
  // Fallback to setImmediate.
  // Techinically it leverages the (macro) task queue,
  // but it is still a better choice than setTimeout.
  timerFunc = function () {
    setImmediate(flushCallbacks);
  };
} else {
  // Fallback to setTimeout.
  timerFunc = function () {
    setTimeout(flushCallbacks, 0);
  };
}

function nextTick (cb, ctx) {
  var _resolve;
  callbacks.push(function () {
    if (cb) {
      try {
        cb.call(ctx);
      } catch (e) {
        handleError(e, ctx, 'nextTick');
      }
    } else if (_resolve) {
      _resolve(ctx);
    }
  });
  if (!pending) {
    pending = true;
    timerFunc();
  }
  // $flow-disable-line
  if (!cb && typeof Promise !== 'undefined') {
    return new Promise(function (resolve) {
      _resolve = resolve;
    })
  }
}

/*  */

/* not type checking this file because flow doesn't play well with Proxy */

var initProxy;

if (false) { var getHandler, hasHandler, isBuiltInModifier, hasProxy, warnReservedPrefix, warnNonPresent, allowedGlobals; }

/*  */

var seenObjects = new _Set();

/**
 * Recursively traverse an object to evoke all converted
 * getters, so that every nested property inside the object
 * is collected as a "deep" dependency.
 */
function traverse (val) {
  _traverse(val, seenObjects);
  seenObjects.clear();
}

function _traverse (val, seen) {
  var i, keys;
  var isA = Array.isArray(val);
  if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {
    return
  }
  if (val.__ob__) {
    var depId = val.__ob__.dep.id;
    if (seen.has(depId)) {
      return
    }
    seen.add(depId);
  }
  if (isA) {
    i = val.length;
    while (i--) { _traverse(val[i], seen); }
  } else {
    keys = Object.keys(val);
    i = keys.length;
    while (i--) { _traverse(val[keys[i]], seen); }
  }
}

var mark;
var measure;

if (false) { var perf; }

/*  */

var normalizeEvent = cached(function (name) {
  var passive = name.charAt(0) === '&';
  name = passive ? name.slice(1) : name;
  var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first
  name = once$$1 ? name.slice(1) : name;
  var capture = name.charAt(0) === '!';
  name = capture ? name.slice(1) : name;
  return {
    name: name,
    once: once$$1,
    capture: capture,
    passive: passive
  }
});

function createFnInvoker (fns, vm) {
  function invoker () {
    var arguments$1 = arguments;

    var fns = invoker.fns;
    if (Array.isArray(fns)) {
      var cloned = fns.slice();
      for (var i = 0; i < cloned.length; i++) {
        invokeWithErrorHandling(cloned[i], null, arguments$1, vm, "v-on handler");
      }
    } else {
      // return handler return value for single handlers
      return invokeWithErrorHandling(fns, null, arguments, vm, "v-on handler")
    }
  }
  invoker.fns = fns;
  return invoker
}

function updateListeners (
  on,
  oldOn,
  add,
  remove$$1,
  createOnceHandler,
  vm
) {
  var name, def$$1, cur, old, event;
  for (name in on) {
    def$$1 = cur = on[name];
    old = oldOn[name];
    event = normalizeEvent(name);
    if (isUndef(cur)) {
       false && false;
    } else if (isUndef(old)) {
      if (isUndef(cur.fns)) {
        cur = on[name] = createFnInvoker(cur, vm);
      }
      if (isTrue(event.once)) {
        cur = on[name] = createOnceHandler(event.name, cur, event.capture);
      }
      add(event.name, cur, event.capture, event.passive, event.params);
    } else if (cur !== old) {
      old.fns = cur;
      on[name] = old;
    }
  }
  for (name in oldOn) {
    if (isUndef(on[name])) {
      event = normalizeEvent(name);
      remove$$1(event.name, oldOn[name], event.capture);
    }
  }
}

/*  */

function mergeVNodeHook (def, hookKey, hook) {
  if (def instanceof VNode) {
    def = def.data.hook || (def.data.hook = {});
  }
  var invoker;
  var oldHook = def[hookKey];

  function wrappedHook () {
    hook.apply(this, arguments);
    // important: remove merged hook to ensure it's called only once
    // and prevent memory leak
    remove(invoker.fns, wrappedHook);
  }

  if (isUndef(oldHook)) {
    // no existing hook
    invoker = createFnInvoker([wrappedHook]);
  } else {
    /* istanbul ignore if */
    if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
      // already a merged invoker
      invoker = oldHook;
      invoker.fns.push(wrappedHook);
    } else {
      // existing plain hook
      invoker = createFnInvoker([oldHook, wrappedHook]);
    }
  }

  invoker.merged = true;
  def[hookKey] = invoker;
}

/*  */

function extractPropsFromVNodeData (
  data,
  Ctor,
  tag
) {
  // we are only extracting raw values here.
  // validation and default values are handled in the child
  // component itself.
  var propOptions = Ctor.options.props;
  if (isUndef(propOptions)) {
    return
  }
  var res = {};
  var attrs = data.attrs;
  var props = data.props;
  if (isDef(attrs) || isDef(props)) {
    for (var key in propOptions) {
      var altKey = hyphenate(key);
      if (false) { var keyInLowerCase; }
      checkProp(res, props, key, altKey, true) ||
      checkProp(res, attrs, key, altKey, false);
    }
  }
  return res
}

function checkProp (
  res,
  hash,
  key,
  altKey,
  preserve
) {
  if (isDef(hash)) {
    if (hasOwn(hash, key)) {
      res[key] = hash[key];
      if (!preserve) {
        delete hash[key];
      }
      return true
    } else if (hasOwn(hash, altKey)) {
      res[key] = hash[altKey];
      if (!preserve) {
        delete hash[altKey];
      }
      return true
    }
  }
  return false
}

/*  */

// The template compiler attempts to minimize the need for normalization by
// statically analyzing the template at compile time.
//
// For plain HTML markup, normalization can be completely skipped because the
// generated render function is guaranteed to return Array<VNode>. There are
// two cases where extra normalization is needed:

// 1. When the children contains components - because a functional component
// may return an Array instead of a single root. In this case, just a simple
// normalization is needed - if any child is an Array, we flatten the whole
// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
// because functional components already normalize their own children.
function simpleNormalizeChildren (children) {
  for (var i = 0; i < children.length; i++) {
    if (Array.isArray(children[i])) {
      return Array.prototype.concat.apply([], children)
    }
  }
  return children
}

// 2. When the children contains constructs that always generated nested Arrays,
// e.g. <template>, <slot>, v-for, or when the children is provided by user
// with hand-written render functions / JSX. In such cases a full normalization
// is needed to cater to all possible types of children values.
function normalizeChildren (children) {
  return isPrimitive(children)
    ? [createTextVNode(children)]
    : Array.isArray(children)
      ? normalizeArrayChildren(children)
      : undefined
}

function isTextNode (node) {
  return isDef(node) && isDef(node.text) && isFalse(node.isComment)
}

function normalizeArrayChildren (children, nestedIndex) {
  var res = [];
  var i, c, lastIndex, last;
  for (i = 0; i < children.length; i++) {
    c = children[i];
    if (isUndef(c) || typeof c === 'boolean') { continue }
    lastIndex = res.length - 1;
    last = res[lastIndex];
    //  nested
    if (Array.isArray(c)) {
      if (c.length > 0) {
        c = normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i));
        // merge adjacent text nodes
        if (isTextNode(c[0]) && isTextNode(last)) {
          res[lastIndex] = createTextVNode(last.text + (c[0]).text);
          c.shift();
        }
        res.push.apply(res, c);
      }
    } else if (isPrimitive(c)) {
      if (isTextNode(last)) {
        // merge adjacent text nodes
        // this is necessary for SSR hydration because text nodes are
        // essentially merged when rendered to HTML strings
        res[lastIndex] = createTextVNode(last.text + c);
      } else if (c !== '') {
        // convert primitive to vnode
        res.push(createTextVNode(c));
      }
    } else {
      if (isTextNode(c) && isTextNode(last)) {
        // merge adjacent text nodes
        res[lastIndex] = createTextVNode(last.text + c.text);
      } else {
        // default key for nested array children (likely generated by v-for)
        if (isTrue(children._isVList) &&
          isDef(c.tag) &&
          isUndef(c.key) &&
          isDef(nestedIndex)) {
          c.key = "__vlist" + nestedIndex + "_" + i + "__";
        }
        res.push(c);
      }
    }
  }
  return res
}

/*  */

function initProvide (vm) {
  var provide = vm.$options.provide;
  if (provide) {
    vm._provided = typeof provide === 'function'
      ? provide.call(vm)
      : provide;
  }
}

function initInjections (vm) {
  var result = resolveInject(vm.$options.inject, vm);
  if (result) {
    toggleObserving(false);
    Object.keys(result).forEach(function (key) {
      /* istanbul ignore else */
      if (false) {} else {
        defineReactive$$1(vm, key, result[key]);
      }
    });
    toggleObserving(true);
  }
}

function resolveInject (inject, vm) {
  if (inject) {
    // inject is :any because flow is not smart enough to figure out cached
    var result = Object.create(null);
    var keys = hasSymbol
      ? Reflect.ownKeys(inject)
      : Object.keys(inject);

    for (var i = 0; i < keys.length; i++) {
      var key = keys[i];
      // #6574 in case the inject object is observed...
      if (key === '__ob__') { continue }
      var provideKey = inject[key].from;
      var source = vm;
      while (source) {
        if (source._provided && hasOwn(source._provided, provideKey)) {
          result[key] = source._provided[provideKey];
          break
        }
        source = source.$parent;
      }
      if (!source) {
        if ('default' in inject[key]) {
          var provideDefault = inject[key].default;
          result[key] = typeof provideDefault === 'function'
            ? provideDefault.call(vm)
            : provideDefault;
        } else if (false) {}
      }
    }
    return result
  }
}

/*  */



/**
 * Runtime helper for resolving raw children VNodes into a slot object.
 */
function resolveSlots (
  children,
  context
) {
  if (!children || !children.length) {
    return {}
  }
  var slots = {};
  for (var i = 0, l = children.length; i < l; i++) {
    var child = children[i];
    var data = child.data;
    // remove slot attribute if the node is resolved as a Vue slot node
    if (data && data.attrs && data.attrs.slot) {
      delete data.attrs.slot;
    }
    // named slots should only be respected if the vnode was rendered in the
    // same context.
    if ((child.context === context || child.fnContext === context) &&
      data && data.slot != null
    ) {
      var name = data.slot;
      var slot = (slots[name] || (slots[name] = []));
      if (child.tag === 'template') {
        slot.push.apply(slot, child.children || []);
      } else {
        slot.push(child);
      }
    } else {
      (slots.default || (slots.default = [])).push(child);
    }
  }
  // ignore slots that contains only whitespace
  for (var name$1 in slots) {
    if (slots[name$1].every(isWhitespace)) {
      delete slots[name$1];
    }
  }
  return slots
}

function isWhitespace (node) {
  return (node.isComment && !node.asyncFactory) || node.text === ' '
}

/*  */

function normalizeScopedSlots (
  slots,
  normalSlots,
  prevSlots
) {
  var res;
  var hasNormalSlots = Object.keys(normalSlots).length > 0;
  var isStable = slots ? !!slots.$stable : !hasNormalSlots;
  var key = slots && slots.$key;
  if (!slots) {
    res = {};
  } else if (slots._normalized) {
    // fast path 1: child component re-render only, parent did not change
    return slots._normalized
  } else if (
    isStable &&
    prevSlots &&
    prevSlots !== emptyObject &&
    key === prevSlots.$key &&
    !hasNormalSlots &&
    !prevSlots.$hasNormal
  ) {
    // fast path 2: stable scoped slots w/ no normal slots to proxy,
    // only need to normalize once
    return prevSlots
  } else {
    res = {};
    for (var key$1 in slots) {
      if (slots[key$1] && key$1[0] !== '$') {
        res[key$1] = normalizeScopedSlot(normalSlots, key$1, slots[key$1]);
      }
    }
  }
  // expose normal slots on scopedSlots
  for (var key$2 in normalSlots) {
    if (!(key$2 in res)) {
      res[key$2] = proxyNormalSlot(normalSlots, key$2);
    }
  }
  // avoriaz seems to mock a non-extensible $scopedSlots object
  // and when that is passed down this would cause an error
  if (slots && Object.isExtensible(slots)) {
    (slots)._normalized = res;
  }
  def(res, '$stable', isStable);
  def(res, '$key', key);
  def(res, '$hasNormal', hasNormalSlots);
  return res
}

function normalizeScopedSlot(normalSlots, key, fn) {
  var normalized = function () {
    var res = arguments.length ? fn.apply(null, arguments) : fn({});
    res = res && typeof res === 'object' && !Array.isArray(res)
      ? [res] // single vnode
      : normalizeChildren(res);
    return res && (
      res.length === 0 ||
      (res.length === 1 && res[0].isComment) // #9658
    ) ? undefined
      : res
  };
  // this is a slot using the new v-slot syntax without scope. although it is
  // compiled as a scoped slot, render fn users would expect it to be present
  // on this.$slots because the usage is semantically a normal slot.
  if (fn.proxy) {
    Object.defineProperty(normalSlots, key, {
      get: normalized,
      enumerable: true,
      configurable: true
    });
  }
  return normalized
}

function proxyNormalSlot(slots, key) {
  return function () { return slots[key]; }
}

/*  */

/**
 * Runtime helper for rendering v-for lists.
 */
function renderList (
  val,
  render
) {
  var ret, i, l, keys, key;
  if (Array.isArray(val) || typeof val === 'string') {
    ret = new Array(val.length);
    for (i = 0, l = val.length; i < l; i++) {
      ret[i] = render(val[i], i);
    }
  } else if (typeof val === 'number') {
    ret = new Array(val);
    for (i = 0; i < val; i++) {
      ret[i] = render(i + 1, i);
    }
  } else if (isObject(val)) {
    if (hasSymbol && val[Symbol.iterator]) {
      ret = [];
      var iterator = val[Symbol.iterator]();
      var result = iterator.next();
      while (!result.done) {
        ret.push(render(result.value, ret.length));
        result = iterator.next();
      }
    } else {
      keys = Object.keys(val);
      ret = new Array(keys.length);
      for (i = 0, l = keys.length; i < l; i++) {
        key = keys[i];
        ret[i] = render(val[key], key, i);
      }
    }
  }
  if (!isDef(ret)) {
    ret = [];
  }
  (ret)._isVList = true;
  return ret
}

/*  */

/**
 * Runtime helper for rendering <slot>
 */
function renderSlot (
  name,
  fallback,
  props,
  bindObject
) {
  var scopedSlotFn = this.$scopedSlots[name];
  var nodes;
  if (scopedSlotFn) { // scoped slot
    props = props || {};
    if (bindObject) {
      if (false) {}
      props = extend(extend({}, bindObject), props);
    }
    nodes = scopedSlotFn(props) || fallback;
  } else {
    nodes = this.$slots[name] || fallback;
  }

  var target = props && props.slot;
  if (target) {
    return this.$createElement('template', { slot: target }, nodes)
  } else {
    return nodes
  }
}

/*  */

/**
 * Runtime helper for resolving filters
 */
function resolveFilter (id) {
  return resolveAsset(this.$options, 'filters', id, true) || identity
}

/*  */

function isKeyNotMatch (expect, actual) {
  if (Array.isArray(expect)) {
    return expect.indexOf(actual) === -1
  } else {
    return expect !== actual
  }
}

/**
 * Runtime helper for checking keyCodes from config.
 * exposed as Vue.prototype._k
 * passing in eventKeyName as last argument separately for backwards compat
 */
function checkKeyCodes (
  eventKeyCode,
  key,
  builtInKeyCode,
  eventKeyName,
  builtInKeyName
) {
  var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
  if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
    return isKeyNotMatch(builtInKeyName, eventKeyName)
  } else if (mappedKeyCode) {
    return isKeyNotMatch(mappedKeyCode, eventKeyCode)
  } else if (eventKeyName) {
    return hyphenate(eventKeyName) !== key
  }
}

/*  */

/**
 * Runtime helper for merging v-bind="object" into a VNode's data.
 */
function bindObjectProps (
  data,
  tag,
  value,
  asProp,
  isSync
) {
  if (value) {
    if (!isObject(value)) {
       false && false;
    } else {
      if (Array.isArray(value)) {
        value = toObject(value);
      }
      var hash;
      var loop = function ( key ) {
        if (
          key === 'class' ||
          key === 'style' ||
          isReservedAttribute(key)
        ) {
          hash = data;
        } else {
          var type = data.attrs && data.attrs.type;
          hash = asProp || config.mustUseProp(tag, type, key)
            ? data.domProps || (data.domProps = {})
            : data.attrs || (data.attrs = {});
        }
        var camelizedKey = camelize(key);
        var hyphenatedKey = hyphenate(key);
        if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {
          hash[key] = value[key];

          if (isSync) {
            var on = data.on || (data.on = {});
            on[("update:" + key)] = function ($event) {
              value[key] = $event;
            };
          }
        }
      };

      for (var key in value) loop( key );
    }
  }
  return data
}

/*  */

/**
 * Runtime helper for rendering static trees.
 */
function renderStatic (
  index,
  isInFor
) {
  var cached = this._staticTrees || (this._staticTrees = []);
  var tree = cached[index];
  // if has already-rendered static tree and not inside v-for,
  // we can reuse the same tree.
  if (tree && !isInFor) {
    return tree
  }
  // otherwise, render a fresh tree.
  tree = cached[index] = this.$options.staticRenderFns[index].call(
    this._renderProxy,
    null,
    this // for render fns generated for functional component templates
  );
  markStatic(tree, ("__static__" + index), false);
  return tree
}

/**
 * Runtime helper for v-once.
 * Effectively it means marking the node as static with a unique key.
 */
function markOnce (
  tree,
  index,
  key
) {
  markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
  return tree
}

function markStatic (
  tree,
  key,
  isOnce
) {
  if (Array.isArray(tree)) {
    for (var i = 0; i < tree.length; i++) {
      if (tree[i] && typeof tree[i] !== 'string') {
        markStaticNode(tree[i], (key + "_" + i), isOnce);
      }
    }
  } else {
    markStaticNode(tree, key, isOnce);
  }
}

function markStaticNode (node, key, isOnce) {
  node.isStatic = true;
  node.key = key;
  node.isOnce = isOnce;
}

/*  */

function bindObjectListeners (data, value) {
  if (value) {
    if (!isPlainObject(value)) {
       false && false;
    } else {
      var on = data.on = data.on ? extend({}, data.on) : {};
      for (var key in value) {
        var existing = on[key];
        var ours = value[key];
        on[key] = existing ? [].concat(existing, ours) : ours;
      }
    }
  }
  return data
}

/*  */

function resolveScopedSlots (
  fns, // see flow/vnode
  res,
  // the following are added in 2.6
  hasDynamicKeys,
  contentHashKey
) {
  res = res || { $stable: !hasDynamicKeys };
  for (var i = 0; i < fns.length; i++) {
    var slot = fns[i];
    if (Array.isArray(slot)) {
      resolveScopedSlots(slot, res, hasDynamicKeys);
    } else if (slot) {
      // marker for reverse proxying v-slot without scope on this.$slots
      if (slot.proxy) {
        slot.fn.proxy = true;
      }
      res[slot.key] = slot.fn;
    }
  }
  if (contentHashKey) {
    (res).$key = contentHashKey;
  }
  return res
}

/*  */

function bindDynamicKeys (baseObj, values) {
  for (var i = 0; i < values.length; i += 2) {
    var key = values[i];
    if (typeof key === 'string' && key) {
      baseObj[values[i]] = values[i + 1];
    } else if (false) {}
  }
  return baseObj
}

// helper to dynamically append modifier runtime markers to event names.
// ensure only append when value is already string, otherwise it will be cast
// to string and cause the type check to miss.
function prependModifier (value, symbol) {
  return typeof value === 'string' ? symbol + value : value
}

/*  */

function installRenderHelpers (target) {
  target._o = markOnce;
  target._n = toNumber;
  target._s = toString;
  target._l = renderList;
  target._t = renderSlot;
  target._q = looseEqual;
  target._i = looseIndexOf;
  target._m = renderStatic;
  target._f = resolveFilter;
  target._k = checkKeyCodes;
  target._b = bindObjectProps;
  target._v = createTextVNode;
  target._e = createEmptyVNode;
  target._u = resolveScopedSlots;
  target._g = bindObjectListeners;
  target._d = bindDynamicKeys;
  target._p = prependModifier;
}

/*  */

function FunctionalRenderContext (
  data,
  props,
  children,
  parent,
  Ctor
) {
  var this$1 = this;

  var options = Ctor.options;
  // ensure the createElement function in functional components
  // gets a unique context - this is necessary for correct named slot check
  var contextVm;
  if (hasOwn(parent, '_uid')) {
    contextVm = Object.create(parent);
    // $flow-disable-line
    contextVm._original = parent;
  } else {
    // the context vm passed in is a functional context as well.
    // in this case we want to make sure we are able to get a hold to the
    // real context instance.
    contextVm = parent;
    // $flow-disable-line
    parent = parent._original;
  }
  var isCompiled = isTrue(options._compiled);
  var needNormalization = !isCompiled;

  this.data = data;
  this.props = props;
  this.children = children;
  this.parent = parent;
  this.listeners = data.on || emptyObject;
  this.injections = resolveInject(options.inject, parent);
  this.slots = function () {
    if (!this$1.$slots) {
      normalizeScopedSlots(
        data.scopedSlots,
        this$1.$slots = resolveSlots(children, parent)
      );
    }
    return this$1.$slots
  };

  Object.defineProperty(this, 'scopedSlots', ({
    enumerable: true,
    get: function get () {
      return normalizeScopedSlots(data.scopedSlots, this.slots())
    }
  }));

  // support for compiled functional template
  if (isCompiled) {
    // exposing $options for renderStatic()
    this.$options = options;
    // pre-resolve slots for renderSlot()
    this.$slots = this.slots();
    this.$scopedSlots = normalizeScopedSlots(data.scopedSlots, this.$slots);
  }

  if (options._scopeId) {
    this._c = function (a, b, c, d) {
      var vnode = createElement(contextVm, a, b, c, d, needNormalization);
      if (vnode && !Array.isArray(vnode)) {
        vnode.fnScopeId = options._scopeId;
        vnode.fnContext = parent;
      }
      return vnode
    };
  } else {
    this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); };
  }
}

installRenderHelpers(FunctionalRenderContext.prototype);

function createFunctionalComponent (
  Ctor,
  propsData,
  data,
  contextVm,
  children
) {
  var options = Ctor.options;
  var props = {};
  var propOptions = options.props;
  if (isDef(propOptions)) {
    for (var key in propOptions) {
      props[key] = validateProp(key, propOptions, propsData || emptyObject);
    }
  } else {
    if (isDef(data.attrs)) { mergeProps(props, data.attrs); }
    if (isDef(data.props)) { mergeProps(props, data.props); }
  }

  var renderContext = new FunctionalRenderContext(
    data,
    props,
    children,
    contextVm,
    Ctor
  );

  var vnode = options.render.call(null, renderContext._c, renderContext);

  if (vnode instanceof VNode) {
    return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext)
  } else if (Array.isArray(vnode)) {
    var vnodes = normalizeChildren(vnode) || [];
    var res = new Array(vnodes.length);
    for (var i = 0; i < vnodes.length; i++) {
      res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);
    }
    return res
  }
}

function cloneAndMarkFunctionalResult (vnode, data, contextVm, options, renderContext) {
  // #7817 clone node before setting fnContext, otherwise if the node is reused
  // (e.g. it was from a cached normal slot) the fnContext causes named slots
  // that should not be matched to match.
  var clone = cloneVNode(vnode);
  clone.fnContext = contextVm;
  clone.fnOptions = options;
  if (false) {}
  if (data.slot) {
    (clone.data || (clone.data = {})).slot = data.slot;
  }
  return clone
}

function mergeProps (to, from) {
  for (var key in from) {
    to[camelize(key)] = from[key];
  }
}

/*  */

/*  */

/*  */

/*  */

// inline hooks to be invoked on component VNodes during patch
var componentVNodeHooks = {
  init: function init (vnode, hydrating) {
    if (
      vnode.componentInstance &&
      !vnode.componentInstance._isDestroyed &&
      vnode.data.keepAlive
    ) {
      // kept-alive components, treat as a patch
      var mountedNode = vnode; // work around flow
      componentVNodeHooks.prepatch(mountedNode, mountedNode);
    } else {
      var child = vnode.componentInstance = createComponentInstanceForVnode(
        vnode,
        activeInstance
      );
      child.$mount(hydrating ? vnode.elm : undefined, hydrating);
    }
  },

  prepatch: function prepatch (oldVnode, vnode) {
    var options = vnode.componentOptions;
    var child = vnode.componentInstance = oldVnode.componentInstance;
    updateChildComponent(
      child,
      options.propsData, // updated props
      options.listeners, // updated listeners
      vnode, // new parent vnode
      options.children // new children
    );
  },

  insert: function insert (vnode) {
    var context = vnode.context;
    var componentInstance = vnode.componentInstance;
    if (!componentInstance._isMounted) {
      componentInstance._isMounted = true;
      callHook(componentInstance, 'mounted');
    }
    if (vnode.data.keepAlive) {
      if (context._isMounted) {
        // vue-router#1212
        // During updates, a kept-alive component's child components may
        // change, so directly walking the tree here may call activated hooks
        // on incorrect children. Instead we push them into a queue which will
        // be processed after the whole patch process ended.
        queueActivatedComponent(componentInstance);
      } else {
        activateChildComponent(componentInstance, true /* direct */);
      }
    }
  },

  destroy: function destroy (vnode) {
    var componentInstance = vnode.componentInstance;
    if (!componentInstance._isDestroyed) {
      if (!vnode.data.keepAlive) {
        componentInstance.$destroy();
      } else {
        deactivateChildComponent(componentInstance, true /* direct */);
      }
    }
  }
};

var hooksToMerge = Object.keys(componentVNodeHooks);

function createComponent (
  Ctor,
  data,
  context,
  children,
  tag
) {
  if (isUndef(Ctor)) {
    return
  }

  var baseCtor = context.$options._base;

  // plain options object: turn it into a constructor
  if (isObject(Ctor)) {
    Ctor = baseCtor.extend(Ctor);
  }

  // if at this stage it's not a constructor or an async component factory,
  // reject.
  if (typeof Ctor !== 'function') {
    if (false) {}
    return
  }

  // async component
  var asyncFactory;
  if (isUndef(Ctor.cid)) {
    asyncFactory = Ctor;
    Ctor = resolveAsyncComponent(asyncFactory, baseCtor);
    if (Ctor === undefined) {
      // return a placeholder node for async component, which is rendered
      // as a comment node but preserves all the raw information for the node.
      // the information will be used for async server-rendering and hydration.
      return createAsyncPlaceholder(
        asyncFactory,
        data,
        context,
        children,
        tag
      )
    }
  }

  data = data || {};

  // resolve constructor options in case global mixins are applied after
  // component constructor creation
  resolveConstructorOptions(Ctor);

  // transform component v-model data into props & events
  if (isDef(data.model)) {
    transformModel(Ctor.options, data);
  }

  // extract props
  var propsData = extractPropsFromVNodeData(data, Ctor, tag);

  // functional component
  if (isTrue(Ctor.options.functional)) {
    return createFunctionalComponent(Ctor, propsData, data, context, children)
  }

  // extract listeners, since these needs to be treated as
  // child component listeners instead of DOM listeners
  var listeners = data.on;
  // replace with listeners with .native modifier
  // so it gets processed during parent component patch.
  data.on = data.nativeOn;

  if (isTrue(Ctor.options.abstract)) {
    // abstract components do not keep anything
    // other than props & listeners & slot

    // work around flow
    var slot = data.slot;
    data = {};
    if (slot) {
      data.slot = slot;
    }
  }

  // install component management hooks onto the placeholder node
  installComponentHooks(data);

  // return a placeholder vnode
  var name = Ctor.options.name || tag;
  var vnode = new VNode(
    ("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
    data, undefined, undefined, undefined, context,
    { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },
    asyncFactory
  );

  return vnode
}

function createComponentInstanceForVnode (
  vnode, // we know it's MountedComponentVNode but flow doesn't
  parent // activeInstance in lifecycle state
) {
  var options = {
    _isComponent: true,
    _parentVnode: vnode,
    parent: parent
  };
  // check inline-template render functions
  var inlineTemplate = vnode.data.inlineTemplate;
  if (isDef(inlineTemplate)) {
    options.render = inlineTemplate.render;
    options.staticRenderFns = inlineTemplate.staticRenderFns;
  }
  return new vnode.componentOptions.Ctor(options)
}

function installComponentHooks (data) {
  var hooks = data.hook || (data.hook = {});
  for (var i = 0; i < hooksToMerge.length; i++) {
    var key = hooksToMerge[i];
    var existing = hooks[key];
    var toMerge = componentVNodeHooks[key];
    if (existing !== toMerge && !(existing && existing._merged)) {
      hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge;
    }
  }
}

function mergeHook$1 (f1, f2) {
  var merged = function (a, b) {
    // flow complains about extra args which is why we use any
    f1(a, b);
    f2(a, b);
  };
  merged._merged = true;
  return merged
}

// transform component v-model info (value and callback) into
// prop and event handler respectively.
function transformModel (options, data) {
  var prop = (options.model && options.model.prop) || 'value';
  var event = (options.model && options.model.event) || 'input'
  ;(data.attrs || (data.attrs = {}))[prop] = data.model.value;
  var on = data.on || (data.on = {});
  var existing = on[event];
  var callback = data.model.callback;
  if (isDef(existing)) {
    if (
      Array.isArray(existing)
        ? existing.indexOf(callback) === -1
        : existing !== callback
    ) {
      on[event] = [callback].concat(existing);
    }
  } else {
    on[event] = callback;
  }
}

/*  */

var SIMPLE_NORMALIZE = 1;
var ALWAYS_NORMALIZE = 2;

// wrapper function for providing a more flexible interface
// without getting yelled at by flow
function createElement (
  context,
  tag,
  data,
  children,
  normalizationType,
  alwaysNormalize
) {
  if (Array.isArray(data) || isPrimitive(data)) {
    normalizationType = children;
    children = data;
    data = undefined;
  }
  if (isTrue(alwaysNormalize)) {
    normalizationType = ALWAYS_NORMALIZE;
  }
  return _createElement(context, tag, data, children, normalizationType)
}

function _createElement (
  context,
  tag,
  data,
  children,
  normalizationType
) {
  if (isDef(data) && isDef((data).__ob__)) {
     false && false;
    return createEmptyVNode()
  }
  // object syntax in v-bind
  if (isDef(data) && isDef(data.is)) {
    tag = data.is;
  }
  if (!tag) {
    // in case of component :is set to falsy value
    return createEmptyVNode()
  }
  // warn against non-primitive key
  if (false
  ) {}
  // support single function children as default scoped slot
  if (Array.isArray(children) &&
    typeof children[0] === 'function'
  ) {
    data = data || {};
    data.scopedSlots = { default: children[0] };
    children.length = 0;
  }
  if (normalizationType === ALWAYS_NORMALIZE) {
    children = normalizeChildren(children);
  } else if (normalizationType === SIMPLE_NORMALIZE) {
    children = simpleNormalizeChildren(children);
  }
  var vnode, ns;
  if (typeof tag === 'string') {
    var Ctor;
    ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
    if (config.isReservedTag(tag)) {
      // platform built-in elements
      vnode = new VNode(
        config.parsePlatformTagName(tag), data, children,
        undefined, undefined, context
      );
    } else if ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
      // component
      vnode = createComponent(Ctor, data, context, children, tag);
    } else {
      // unknown or unlisted namespaced elements
      // check at runtime because it may get assigned a namespace when its
      // parent normalizes children
      vnode = new VNode(
        tag, data, children,
        undefined, undefined, context
      );
    }
  } else {
    // direct component options / constructor
    vnode = createComponent(tag, data, context, children);
  }
  if (Array.isArray(vnode)) {
    return vnode
  } else if (isDef(vnode)) {
    if (isDef(ns)) { applyNS(vnode, ns); }
    if (isDef(data)) { registerDeepBindings(data); }
    return vnode
  } else {
    return createEmptyVNode()
  }
}

function applyNS (vnode, ns, force) {
  vnode.ns = ns;
  if (vnode.tag === 'foreignObject') {
    // use default namespace inside foreignObject
    ns = undefined;
    force = true;
  }
  if (isDef(vnode.children)) {
    for (var i = 0, l = vnode.children.length; i < l; i++) {
      var child = vnode.children[i];
      if (isDef(child.tag) && (
        isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {
        applyNS(child, ns, force);
      }
    }
  }
}

// ref #5318
// necessary to ensure parent re-render when deep bindings like :style and
// :class are used on slot nodes
function registerDeepBindings (data) {
  if (isObject(data.style)) {
    traverse(data.style);
  }
  if (isObject(data.class)) {
    traverse(data.class);
  }
}

/*  */

function initRender (vm) {
  vm._vnode = null; // the root of the child tree
  vm._staticTrees = null; // v-once cached trees
  var options = vm.$options;
  var parentVnode = vm.$vnode = options._parentVnode; // the placeholder node in parent tree
  var renderContext = parentVnode && parentVnode.context;
  vm.$slots = resolveSlots(options._renderChildren, renderContext);
  vm.$scopedSlots = emptyObject;
  // bind the createElement fn to this instance
  // so that we get proper render context inside it.
  // args order: tag, data, children, normalizationType, alwaysNormalize
  // internal version is used by render functions compiled from templates
  vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };
  // normalization is always applied for the public version, used in
  // user-written render functions.
  vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };

  // $attrs & $listeners are exposed for easier HOC creation.
  // they need to be reactive so that HOCs using them are always updated
  var parentData = parentVnode && parentVnode.data;

  /* istanbul ignore else */
  if (false) {} else {
    defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, null, true);
    defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, null, true);
  }
}

var currentRenderingInstance = null;

function renderMixin (Vue) {
  // install runtime convenience helpers
  installRenderHelpers(Vue.prototype);

  Vue.prototype.$nextTick = function (fn) {
    return nextTick(fn, this)
  };

  Vue.prototype._render = function () {
    var vm = this;
    var ref = vm.$options;
    var render = ref.render;
    var _parentVnode = ref._parentVnode;

    if (_parentVnode) {
      vm.$scopedSlots = normalizeScopedSlots(
        _parentVnode.data.scopedSlots,
        vm.$slots,
        vm.$scopedSlots
      );
    }

    // set parent vnode. this allows render functions to have access
    // to the data on the placeholder node.
    vm.$vnode = _parentVnode;
    // render self
    var vnode;
    try {
      // There's no need to maintain a stack becaues all render fns are called
      // separately from one another. Nested component's render fns are called
      // when parent component is patched.
      currentRenderingInstance = vm;
      vnode = render.call(vm._renderProxy, vm.$createElement);
    } catch (e) {
      handleError(e, vm, "render");
      // return error render result,
      // or previous vnode to prevent render error causing blank component
      /* istanbul ignore else */
      if (false) {} else {
        vnode = vm._vnode;
      }
    } finally {
      currentRenderingInstance = null;
    }
    // if the returned array contains only a single node, allow it
    if (Array.isArray(vnode) && vnode.length === 1) {
      vnode = vnode[0];
    }
    // return empty vnode in case the render function errored out
    if (!(vnode instanceof VNode)) {
      if (false) {}
      vnode = createEmptyVNode();
    }
    // set parent
    vnode.parent = _parentVnode;
    return vnode
  };
}

/*  */

function ensureCtor (comp, base) {
  if (
    comp.__esModule ||
    (hasSymbol && comp[Symbol.toStringTag] === 'Module')
  ) {
    comp = comp.default;
  }
  return isObject(comp)
    ? base.extend(comp)
    : comp
}

function createAsyncPlaceholder (
  factory,
  data,
  context,
  children,
  tag
) {
  var node = createEmptyVNode();
  node.asyncFactory = factory;
  node.asyncMeta = { data: data, context: context, children: children, tag: tag };
  return node
}

function resolveAsyncComponent (
  factory,
  baseCtor
) {
  if (isTrue(factory.error) && isDef(factory.errorComp)) {
    return factory.errorComp
  }

  if (isDef(factory.resolved)) {
    return factory.resolved
  }

  var owner = currentRenderingInstance;
  if (owner && isDef(factory.owners) && factory.owners.indexOf(owner) === -1) {
    // already pending
    factory.owners.push(owner);
  }

  if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
    return factory.loadingComp
  }

  if (owner && !isDef(factory.owners)) {
    var owners = factory.owners = [owner];
    var sync = true;
    var timerLoading = null;
    var timerTimeout = null

    ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });

    var forceRender = function (renderCompleted) {
      for (var i = 0, l = owners.length; i < l; i++) {
        (owners[i]).$forceUpdate();
      }

      if (renderCompleted) {
        owners.length = 0;
        if (timerLoading !== null) {
          clearTimeout(timerLoading);
          timerLoading = null;
        }
        if (timerTimeout !== null) {
          clearTimeout(timerTimeout);
          timerTimeout = null;
        }
      }
    };

    var resolve = once(function (res) {
      // cache resolved
      factory.resolved = ensureCtor(res, baseCtor);
      // invoke callbacks only if this is not a synchronous resolve
      // (async resolves are shimmed as synchronous during SSR)
      if (!sync) {
        forceRender(true);
      } else {
        owners.length = 0;
      }
    });

    var reject = once(function (reason) {
       false && false;
      if (isDef(factory.errorComp)) {
        factory.error = true;
        forceRender(true);
      }
    });

    var res = factory(resolve, reject);

    if (isObject(res)) {
      if (isPromise(res)) {
        // () => Promise
        if (isUndef(factory.resolved)) {
          res.then(resolve, reject);
        }
      } else if (isPromise(res.component)) {
        res.component.then(resolve, reject);

        if (isDef(res.error)) {
          factory.errorComp = ensureCtor(res.error, baseCtor);
        }

        if (isDef(res.loading)) {
          factory.loadingComp = ensureCtor(res.loading, baseCtor);
          if (res.delay === 0) {
            factory.loading = true;
          } else {
            timerLoading = setTimeout(function () {
              timerLoading = null;
              if (isUndef(factory.resolved) && isUndef(factory.error)) {
                factory.loading = true;
                forceRender(false);
              }
            }, res.delay || 200);
          }
        }

        if (isDef(res.timeout)) {
          timerTimeout = setTimeout(function () {
            timerTimeout = null;
            if (isUndef(factory.resolved)) {
              reject(
                 false
                  ? (undefined)
                  : null
              );
            }
          }, res.timeout);
        }
      }
    }

    sync = false;
    // return in case resolved synchronously
    return factory.loading
      ? factory.loadingComp
      : factory.resolved
  }
}

/*  */

function isAsyncPlaceholder (node) {
  return node.isComment && node.asyncFactory
}

/*  */

function getFirstComponentChild (children) {
  if (Array.isArray(children)) {
    for (var i = 0; i < children.length; i++) {
      var c = children[i];
      if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {
        return c
      }
    }
  }
}

/*  */

/*  */

function initEvents (vm) {
  vm._events = Object.create(null);
  vm._hasHookEvent = false;
  // init parent attached events
  var listeners = vm.$options._parentListeners;
  if (listeners) {
    updateComponentListeners(vm, listeners);
  }
}

var target;

function add (event, fn) {
  target.$on(event, fn);
}

function remove$1 (event, fn) {
  target.$off(event, fn);
}

function createOnceHandler (event, fn) {
  var _target = target;
  return function onceHandler () {
    var res = fn.apply(null, arguments);
    if (res !== null) {
      _target.$off(event, onceHandler);
    }
  }
}

function updateComponentListeners (
  vm,
  listeners,
  oldListeners
) {
  target = vm;
  updateListeners(listeners, oldListeners || {}, add, remove$1, createOnceHandler, vm);
  target = undefined;
}

function eventsMixin (Vue) {
  var hookRE = /^hook:/;
  Vue.prototype.$on = function (event, fn) {
    var vm = this;
    if (Array.isArray(event)) {
      for (var i = 0, l = event.length; i < l; i++) {
        vm.$on(event[i], fn);
      }
    } else {
      (vm._events[event] || (vm._events[event] = [])).push(fn);
      // optimize hook:event cost by using a boolean flag marked at registration
      // instead of a hash lookup
      if (hookRE.test(event)) {
        vm._hasHookEvent = true;
      }
    }
    return vm
  };

  Vue.prototype.$once = function (event, fn) {
    var vm = this;
    function on () {
      vm.$off(event, on);
      fn.apply(vm, arguments);
    }
    on.fn = fn;
    vm.$on(event, on);
    return vm
  };

  Vue.prototype.$off = function (event, fn) {
    var vm = this;
    // all
    if (!arguments.length) {
      vm._events = Object.create(null);
      return vm
    }
    // array of events
    if (Array.isArray(event)) {
      for (var i$1 = 0, l = event.length; i$1 < l; i$1++) {
        vm.$off(event[i$1], fn);
      }
      return vm
    }
    // specific event
    var cbs = vm._events[event];
    if (!cbs) {
      return vm
    }
    if (!fn) {
      vm._events[event] = null;
      return vm
    }
    // specific handler
    var cb;
    var i = cbs.length;
    while (i--) {
      cb = cbs[i];
      if (cb === fn || cb.fn === fn) {
        cbs.splice(i, 1);
        break
      }
    }
    return vm
  };

  Vue.prototype.$emit = function (event) {
    var vm = this;
    if (false) { var lowerCaseEvent; }
    var cbs = vm._events[event];
    if (cbs) {
      cbs = cbs.length > 1 ? toArray(cbs) : cbs;
      var args = toArray(arguments, 1);
      var info = "event handler for \"" + event + "\"";
      for (var i = 0, l = cbs.length; i < l; i++) {
        invokeWithErrorHandling(cbs[i], vm, args, vm, info);
      }
    }
    return vm
  };
}

/*  */

var activeInstance = null;
var isUpdatingChildComponent = false;

function setActiveInstance(vm) {
  var prevActiveInstance = activeInstance;
  activeInstance = vm;
  return function () {
    activeInstance = prevActiveInstance;
  }
}

function initLifecycle (vm) {
  var options = vm.$options;

  // locate first non-abstract parent
  var parent = options.parent;
  if (parent && !options.abstract) {
    while (parent.$options.abstract && parent.$parent) {
      parent = parent.$parent;
    }
    parent.$children.push(vm);
  }

  vm.$parent = parent;
  vm.$root = parent ? parent.$root : vm;

  vm.$children = [];
  vm.$refs = {};

  vm._watcher = null;
  vm._inactive = null;
  vm._directInactive = false;
  vm._isMounted = false;
  vm._isDestroyed = false;
  vm._isBeingDestroyed = false;
}

function lifecycleMixin (Vue) {
  Vue.prototype._update = function (vnode, hydrating) {
    var vm = this;
    var prevEl = vm.$el;
    var prevVnode = vm._vnode;
    var restoreActiveInstance = setActiveInstance(vm);
    vm._vnode = vnode;
    // Vue.prototype.__patch__ is injected in entry points
    // based on the rendering backend used.
    if (!prevVnode) {
      // initial render
      vm.$el = vm.__patch__(vm.$el, vnode, hydrating, false /* removeOnly */);
    } else {
      // updates
      vm.$el = vm.__patch__(prevVnode, vnode);
    }
    restoreActiveInstance();
    // update __vue__ reference
    if (prevEl) {
      prevEl.__vue__ = null;
    }
    if (vm.$el) {
      vm.$el.__vue__ = vm;
    }
    // if parent is an HOC, update its $el as well
    if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
      vm.$parent.$el = vm.$el;
    }
    // updated hook is called by the scheduler to ensure that children are
    // updated in a parent's updated hook.
  };

  Vue.prototype.$forceUpdate = function () {
    var vm = this;
    if (vm._watcher) {
      vm._watcher.update();
    }
  };

  Vue.prototype.$destroy = function () {
    var vm = this;
    if (vm._isBeingDestroyed) {
      return
    }
    callHook(vm, 'beforeDestroy');
    vm._isBeingDestroyed = true;
    // remove self from parent
    var parent = vm.$parent;
    if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
      remove(parent.$children, vm);
    }
    // teardown watchers
    if (vm._watcher) {
      vm._watcher.teardown();
    }
    var i = vm._watchers.length;
    while (i--) {
      vm._watchers[i].teardown();
    }
    // remove reference from data ob
    // frozen object may not have observer.
    if (vm._data.__ob__) {
      vm._data.__ob__.vmCount--;
    }
    // call the last hook...
    vm._isDestroyed = true;
    // invoke destroy hooks on current rendered tree
    vm.__patch__(vm._vnode, null);
    // fire destroyed hook
    callHook(vm, 'destroyed');
    // turn off all instance listeners.
    vm.$off();
    // remove __vue__ reference
    if (vm.$el) {
      vm.$el.__vue__ = null;
    }
    // release circular reference (#6759)
    if (vm.$vnode) {
      vm.$vnode.parent = null;
    }
  };
}

function mountComponent (
  vm,
  el,
  hydrating
) {
  vm.$el = el;
  if (!vm.$options.render) {
    vm.$options.render = createEmptyVNode;
    if (false) {}
  }
  callHook(vm, 'beforeMount');

  var updateComponent;
  /* istanbul ignore if */
  if (false) {} else {
    updateComponent = function () {
      vm._update(vm._render(), hydrating);
    };
  }

  // we set this to vm._watcher inside the watcher's constructor
  // since the watcher's initial patch may call $forceUpdate (e.g. inside child
  // component's mounted hook), which relies on vm._watcher being already defined
  new Watcher(vm, updateComponent, noop, {
    before: function before () {
      if (vm._isMounted && !vm._isDestroyed) {
        callHook(vm, 'beforeUpdate');
      }
    }
  }, true /* isRenderWatcher */);
  hydrating = false;

  // manually mounted instance, call mounted on self
  // mounted is called for render-created child components in its inserted hook
  if (vm.$vnode == null) {
    vm._isMounted = true;
    callHook(vm, 'mounted');
  }
  return vm
}

function updateChildComponent (
  vm,
  propsData,
  listeners,
  parentVnode,
  renderChildren
) {
  if (false) {}

  // determine whether component has slot children
  // we need to do this before overwriting $options._renderChildren.

  // check if there are dynamic scopedSlots (hand-written or compiled but with
  // dynamic slot names). Static scoped slots compiled from template has the
  // "$stable" marker.
  var newScopedSlots = parentVnode.data.scopedSlots;
  var oldScopedSlots = vm.$scopedSlots;
  var hasDynamicScopedSlot = !!(
    (newScopedSlots && !newScopedSlots.$stable) ||
    (oldScopedSlots !== emptyObject && !oldScopedSlots.$stable) ||
    (newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key)
  );

  // Any static slot children from the parent may have changed during parent's
  // update. Dynamic scoped slots may also have changed. In such cases, a forced
  // update is necessary to ensure correctness.
  var needsForceUpdate = !!(
    renderChildren ||               // has new static slots
    vm.$options._renderChildren ||  // has old static slots
    hasDynamicScopedSlot
  );

  vm.$options._parentVnode = parentVnode;
  vm.$vnode = parentVnode; // update vm's placeholder node without re-render

  if (vm._vnode) { // update child tree's parent
    vm._vnode.parent = parentVnode;
  }
  vm.$options._renderChildren = renderChildren;

  // update $attrs and $listeners hash
  // these are also reactive so they may trigger child update if the child
  // used them during render
  vm.$attrs = parentVnode.data.attrs || emptyObject;
  vm.$listeners = listeners || emptyObject;

  // update props
  if (propsData && vm.$options.props) {
    toggleObserving(false);
    var props = vm._props;
    var propKeys = vm.$options._propKeys || [];
    for (var i = 0; i < propKeys.length; i++) {
      var key = propKeys[i];
      var propOptions = vm.$options.props; // wtf flow?
      props[key] = validateProp(key, propOptions, propsData, vm);
    }
    toggleObserving(true);
    // keep a copy of raw propsData
    vm.$options.propsData = propsData;
  }

  // update listeners
  listeners = listeners || emptyObject;
  var oldListeners = vm.$options._parentListeners;
  vm.$options._parentListeners = listeners;
  updateComponentListeners(vm, listeners, oldListeners);

  // resolve slots + force update if has children
  if (needsForceUpdate) {
    vm.$slots = resolveSlots(renderChildren, parentVnode.context);
    vm.$forceUpdate();
  }

  if (false) {}
}

function isInInactiveTree (vm) {
  while (vm && (vm = vm.$parent)) {
    if (vm._inactive) { return true }
  }
  return false
}

function activateChildComponent (vm, direct) {
  if (direct) {
    vm._directInactive = false;
    if (isInInactiveTree(vm)) {
      return
    }
  } else if (vm._directInactive) {
    return
  }
  if (vm._inactive || vm._inactive === null) {
    vm._inactive = false;
    for (var i = 0; i < vm.$children.length; i++) {
      activateChildComponent(vm.$children[i]);
    }
    callHook(vm, 'activated');
  }
}

function deactivateChildComponent (vm, direct) {
  if (direct) {
    vm._directInactive = true;
    if (isInInactiveTree(vm)) {
      return
    }
  }
  if (!vm._inactive) {
    vm._inactive = true;
    for (var i = 0; i < vm.$children.length; i++) {
      deactivateChildComponent(vm.$children[i]);
    }
    callHook(vm, 'deactivated');
  }
}

function callHook (vm, hook) {
  // #7573 disable dep collection when invoking lifecycle hooks
  pushTarget();
  var handlers = vm.$options[hook];
  var info = hook + " hook";
  if (handlers) {
    for (var i = 0, j = handlers.length; i < j; i++) {
      invokeWithErrorHandling(handlers[i], vm, null, vm, info);
    }
  }
  if (vm._hasHookEvent) {
    vm.$emit('hook:' + hook);
  }
  popTarget();
}

/*  */

var MAX_UPDATE_COUNT = 100;

var queue = [];
var activatedChildren = [];
var has = {};
var circular = {};
var waiting = false;
var flushing = false;
var index = 0;

/**
 * Reset the scheduler's state.
 */
function resetSchedulerState () {
  index = queue.length = activatedChildren.length = 0;
  has = {};
  if (false) {}
  waiting = flushing = false;
}

// Async edge case #6566 requires saving the timestamp when event listeners are
// attached. However, calling performance.now() has a perf overhead especially
// if the page has thousands of event listeners. Instead, we take a timestamp
// every time the scheduler flushes and use that for all event listeners
// attached during that flush.
var currentFlushTimestamp = 0;

// Async edge case fix requires storing an event listener's attach timestamp.
var getNow = Date.now;

// Determine what event timestamp the browser is using. Annoyingly, the
// timestamp can either be hi-res (relative to page load) or low-res
// (relative to UNIX epoch), so in order to compare time we have to use the
// same timestamp type when saving the flush timestamp.
// All IE versions use low-res event timestamps, and have problematic clock
// implementations (#9632)
if (inBrowser && !isIE) {
  var performance = window.performance;
  if (
    performance &&
    typeof performance.now === 'function' &&
    getNow() > document.createEvent('Event').timeStamp
  ) {
    // if the event timestamp, although evaluated AFTER the Date.now(), is
    // smaller than it, it means the event is using a hi-res timestamp,
    // and we need to use the hi-res version for event listener timestamps as
    // well.
    getNow = function () { return performance.now(); };
  }
}

/**
 * Flush both queues and run the watchers.
 */
function flushSchedulerQueue () {
  currentFlushTimestamp = getNow();
  flushing = true;
  var watcher, id;

  // Sort queue before flush.
  // This ensures that:
  // 1. Components are updated from parent to child. (because parent is always
  //    created before the child)
  // 2. A component's user watchers are run before its render watcher (because
  //    user watchers are created before the render watcher)
  // 3. If a component is destroyed during a parent component's watcher run,
  //    its watchers can be skipped.
  queue.sort(function (a, b) { return a.id - b.id; });

  // do not cache length because more watchers might be pushed
  // as we run existing watchers
  for (index = 0; index < queue.length; index++) {
    watcher = queue[index];
    if (watcher.before) {
      watcher.before();
    }
    id = watcher.id;
    has[id] = null;
    watcher.run();
    // in dev build, check and stop circular updates.
    if (false) {}
  }

  // keep copies of post queues before resetting state
  var activatedQueue = activatedChildren.slice();
  var updatedQueue = queue.slice();

  resetSchedulerState();

  // call component updated and activated hooks
  callActivatedHooks(activatedQueue);
  callUpdatedHooks(updatedQueue);

  // devtool hook
  /* istanbul ignore if */
  if (devtools && config.devtools) {
    devtools.emit('flush');
  }
}

function callUpdatedHooks (queue) {
  var i = queue.length;
  while (i--) {
    var watcher = queue[i];
    var vm = watcher.vm;
    if (vm._watcher === watcher && vm._isMounted && !vm._isDestroyed) {
      callHook(vm, 'updated');
    }
  }
}

/**
 * Queue a kept-alive component that was activated during patch.
 * The queue will be processed after the entire tree has been patched.
 */
function queueActivatedComponent (vm) {
  // setting _inactive to false here so that a render function can
  // rely on checking whether it's in an inactive tree (e.g. router-view)
  vm._inactive = false;
  activatedChildren.push(vm);
}

function callActivatedHooks (queue) {
  for (var i = 0; i < queue.length; i++) {
    queue[i]._inactive = true;
    activateChildComponent(queue[i], true /* true */);
  }
}

/**
 * Push a watcher into the watcher queue.
 * Jobs with duplicate IDs will be skipped unless it's
 * pushed when the queue is being flushed.
 */
function queueWatcher (watcher) {
  var id = watcher.id;
  if (has[id] == null) {
    has[id] = true;
    if (!flushing) {
      queue.push(watcher);
    } else {
      // if already flushing, splice the watcher based on its id
      // if already past its id, it will be run next immediately.
      var i = queue.length - 1;
      while (i > index && queue[i].id > watcher.id) {
        i--;
      }
      queue.splice(i + 1, 0, watcher);
    }
    // queue the flush
    if (!waiting) {
      waiting = true;

      if (false) {}
      nextTick(flushSchedulerQueue);
    }
  }
}

/*  */



var uid$2 = 0;

/**
 * A watcher parses an expression, collects dependencies,
 * and fires callback when the expression value changes.
 * This is used for both the $watch() api and directives.
 */
var Watcher = function Watcher (
  vm,
  expOrFn,
  cb,
  options,
  isRenderWatcher
) {
  this.vm = vm;
  if (isRenderWatcher) {
    vm._watcher = this;
  }
  vm._watchers.push(this);
  // options
  if (options) {
    this.deep = !!options.deep;
    this.user = !!options.user;
    this.lazy = !!options.lazy;
    this.sync = !!options.sync;
    this.before = options.before;
  } else {
    this.deep = this.user = this.lazy = this.sync = false;
  }
  this.cb = cb;
  this.id = ++uid$2; // uid for batching
  this.active = true;
  this.dirty = this.lazy; // for lazy watchers
  this.deps = [];
  this.newDeps = [];
  this.depIds = new _Set();
  this.newDepIds = new _Set();
  this.expression =  false
    ? undefined
    : '';
  // parse expression for getter
  if (typeof expOrFn === 'function') {
    this.getter = expOrFn;
  } else {
    this.getter = parsePath(expOrFn);
    if (!this.getter) {
      this.getter = noop;
       false && false;
    }
  }
  this.value = this.lazy
    ? undefined
    : this.get();
};

/**
 * Evaluate the getter, and re-collect dependencies.
 */
Watcher.prototype.get = function get () {
  pushTarget(this);
  var value;
  var vm = this.vm;
  try {
    value = this.getter.call(vm, vm);
  } catch (e) {
    if (this.user) {
      handleError(e, vm, ("getter for watcher \"" + (this.expression) + "\""));
    } else {
      throw e
    }
  } finally {
    // "touch" every property so they are all tracked as
    // dependencies for deep watching
    if (this.deep) {
      traverse(value);
    }
    popTarget();
    this.cleanupDeps();
  }
  return value
};

/**
 * Add a dependency to this directive.
 */
Watcher.prototype.addDep = function addDep (dep) {
  var id = dep.id;
  if (!this.newDepIds.has(id)) {
    this.newDepIds.add(id);
    this.newDeps.push(dep);
    if (!this.depIds.has(id)) {
      dep.addSub(this);
    }
  }
};

/**
 * Clean up for dependency collection.
 */
Watcher.prototype.cleanupDeps = function cleanupDeps () {
  var i = this.deps.length;
  while (i--) {
    var dep = this.deps[i];
    if (!this.newDepIds.has(dep.id)) {
      dep.removeSub(this);
    }
  }
  var tmp = this.depIds;
  this.depIds = this.newDepIds;
  this.newDepIds = tmp;
  this.newDepIds.clear();
  tmp = this.deps;
  this.deps = this.newDeps;
  this.newDeps = tmp;
  this.newDeps.length = 0;
};

/**
 * Subscriber interface.
 * Will be called when a dependency changes.
 */
Watcher.prototype.update = function update () {
  /* istanbul ignore else */
  if (this.lazy) {
    this.dirty = true;
  } else if (this.sync) {
    this.run();
  } else {
    queueWatcher(this);
  }
};

/**
 * Scheduler job interface.
 * Will be called by the scheduler.
 */
Watcher.prototype.run = function run () {
  if (this.active) {
    var value = this.get();
    if (
      value !== this.value ||
      // Deep watchers and watchers on Object/Arrays should fire even
      // when the value is the same, because the value may
      // have mutated.
      isObject(value) ||
      this.deep
    ) {
      // set new value
      var oldValue = this.value;
      this.value = value;
      if (this.user) {
        try {
          this.cb.call(this.vm, value, oldValue);
        } catch (e) {
          handleError(e, this.vm, ("callback for watcher \"" + (this.expression) + "\""));
        }
      } else {
        this.cb.call(this.vm, value, oldValue);
      }
    }
  }
};

/**
 * Evaluate the value of the watcher.
 * This only gets called for lazy watchers.
 */
Watcher.prototype.evaluate = function evaluate () {
  this.value = this.get();
  this.dirty = false;
};

/**
 * Depend on all deps collected by this watcher.
 */
Watcher.prototype.depend = function depend () {
  var i = this.deps.length;
  while (i--) {
    this.deps[i].depend();
  }
};

/**
 * Remove self from all dependencies' subscriber list.
 */
Watcher.prototype.teardown = function teardown () {
  if (this.active) {
    // remove self from vm's watcher list
    // this is a somewhat expensive operation so we skip it
    // if the vm is being destroyed.
    if (!this.vm._isBeingDestroyed) {
      remove(this.vm._watchers, this);
    }
    var i = this.deps.length;
    while (i--) {
      this.deps[i].removeSub(this);
    }
    this.active = false;
  }
};

/*  */

var sharedPropertyDefinition = {
  enumerable: true,
  configurable: true,
  get: noop,
  set: noop
};

function proxy (target, sourceKey, key) {
  sharedPropertyDefinition.get = function proxyGetter () {
    return this[sourceKey][key]
  };
  sharedPropertyDefinition.set = function proxySetter (val) {
    this[sourceKey][key] = val;
  };
  Object.defineProperty(target, key, sharedPropertyDefinition);
}

function initState (vm) {
  vm._watchers = [];
  var opts = vm.$options;
  if (opts.props) { initProps(vm, opts.props); }
  if (opts.methods) { initMethods(vm, opts.methods); }
  if (opts.data) {
    initData(vm);
  } else {
    observe(vm._data = {}, true /* asRootData */);
  }
  if (opts.computed) { initComputed(vm, opts.computed); }
  if (opts.watch && opts.watch !== nativeWatch) {
    initWatch(vm, opts.watch);
  }
}

function initProps (vm, propsOptions) {
  var propsData = vm.$options.propsData || {};
  var props = vm._props = {};
  // cache prop keys so that future props updates can iterate using Array
  // instead of dynamic object key enumeration.
  var keys = vm.$options._propKeys = [];
  var isRoot = !vm.$parent;
  // root instance props should be converted
  if (!isRoot) {
    toggleObserving(false);
  }
  var loop = function ( key ) {
    keys.push(key);
    var value = validateProp(key, propsOptions, propsData, vm);
    /* istanbul ignore else */
    if (false) { var hyphenatedKey; } else {
      defineReactive$$1(props, key, value);
    }
    // static props are already proxied on the component's prototype
    // during Vue.extend(). We only need to proxy props defined at
    // instantiation here.
    if (!(key in vm)) {
      proxy(vm, "_props", key);
    }
  };

  for (var key in propsOptions) loop( key );
  toggleObserving(true);
}

function initData (vm) {
  var data = vm.$options.data;
  data = vm._data = typeof data === 'function'
    ? getData(data, vm)
    : data || {};
  if (!isPlainObject(data)) {
    data = {};
     false && false;
  }
  // proxy data on instance
  var keys = Object.keys(data);
  var props = vm.$options.props;
  var methods = vm.$options.methods;
  var i = keys.length;
  while (i--) {
    var key = keys[i];
    if (false) {}
    if (props && hasOwn(props, key)) {
       false && false;
    } else if (!isReserved(key)) {
      proxy(vm, "_data", key);
    }
  }
  // observe data
  observe(data, true /* asRootData */);
}

function getData (data, vm) {
  // #7573 disable dep collection when invoking data getters
  pushTarget();
  try {
    return data.call(vm, vm)
  } catch (e) {
    handleError(e, vm, "data()");
    return {}
  } finally {
    popTarget();
  }
}

var computedWatcherOptions = { lazy: true };

function initComputed (vm, computed) {
  // $flow-disable-line
  var watchers = vm._computedWatchers = Object.create(null);
  // computed properties are just getters during SSR
  var isSSR = isServerRendering();

  for (var key in computed) {
    var userDef = computed[key];
    var getter = typeof userDef === 'function' ? userDef : userDef.get;
    if (false) {}

    if (!isSSR) {
      // create internal watcher for the computed property.
      watchers[key] = new Watcher(
        vm,
        getter || noop,
        noop,
        computedWatcherOptions
      );
    }

    // component-defined computed properties are already defined on the
    // component prototype. We only need to define computed properties defined
    // at instantiation here.
    if (!(key in vm)) {
      defineComputed(vm, key, userDef);
    } else if (false) {}
  }
}

function defineComputed (
  target,
  key,
  userDef
) {
  var shouldCache = !isServerRendering();
  if (typeof userDef === 'function') {
    sharedPropertyDefinition.get = shouldCache
      ? createComputedGetter(key)
      : createGetterInvoker(userDef);
    sharedPropertyDefinition.set = noop;
  } else {
    sharedPropertyDefinition.get = userDef.get
      ? shouldCache && userDef.cache !== false
        ? createComputedGetter(key)
        : createGetterInvoker(userDef.get)
      : noop;
    sharedPropertyDefinition.set = userDef.set || noop;
  }
  if (false) {}
  Object.defineProperty(target, key, sharedPropertyDefinition);
}

function createComputedGetter (key) {
  return function computedGetter () {
    var watcher = this._computedWatchers && this._computedWatchers[key];
    if (watcher) {
      if (watcher.dirty) {
        watcher.evaluate();
      }
      if (Dep.target) {
        watcher.depend();
      }
      return watcher.value
    }
  }
}

function createGetterInvoker(fn) {
  return function computedGetter () {
    return fn.call(this, this)
  }
}

function initMethods (vm, methods) {
  var props = vm.$options.props;
  for (var key in methods) {
    if (false) {}
    vm[key] = typeof methods[key] !== 'function' ? noop : bind(methods[key], vm);
  }
}

function initWatch (vm, watch) {
  for (var key in watch) {
    var handler = watch[key];
    if (Array.isArray(handler)) {
      for (var i = 0; i < handler.length; i++) {
        createWatcher(vm, key, handler[i]);
      }
    } else {
      createWatcher(vm, key, handler);
    }
  }
}

function createWatcher (
  vm,
  expOrFn,
  handler,
  options
) {
  if (isPlainObject(handler)) {
    options = handler;
    handler = handler.handler;
  }
  if (typeof handler === 'string') {
    handler = vm[handler];
  }
  return vm.$watch(expOrFn, handler, options)
}

function stateMixin (Vue) {
  // flow somehow has problems with directly declared definition object
  // when using Object.defineProperty, so we have to procedurally build up
  // the object here.
  var dataDef = {};
  dataDef.get = function () { return this._data };
  var propsDef = {};
  propsDef.get = function () { return this._props };
  if (false) {}
  Object.defineProperty(Vue.prototype, '$data', dataDef);
  Object.defineProperty(Vue.prototype, '$props', propsDef);

  Vue.prototype.$set = set;
  Vue.prototype.$delete = del;

  Vue.prototype.$watch = function (
    expOrFn,
    cb,
    options
  ) {
    var vm = this;
    if (isPlainObject(cb)) {
      return createWatcher(vm, expOrFn, cb, options)
    }
    options = options || {};
    options.user = true;
    var watcher = new Watcher(vm, expOrFn, cb, options);
    if (options.immediate) {
      try {
        cb.call(vm, watcher.value);
      } catch (error) {
        handleError(error, vm, ("callback for immediate watcher \"" + (watcher.expression) + "\""));
      }
    }
    return function unwatchFn () {
      watcher.teardown();
    }
  };
}

/*  */

var uid$3 = 0;

function initMixin (Vue) {
  Vue.prototype._init = function (options) {
    var vm = this;
    // a uid
    vm._uid = uid$3++;

    var startTag, endTag;
    /* istanbul ignore if */
    if (false) {}

    // a flag to avoid this being observed
    vm._isVue = true;
    // merge options
    if (options && options._isComponent) {
      // optimize internal component instantiation
      // since dynamic options merging is pretty slow, and none of the
      // internal component options needs special treatment.
      initInternalComponent(vm, options);
    } else {
      vm.$options = mergeOptions(
        resolveConstructorOptions(vm.constructor),
        options || {},
        vm
      );
    }
    /* istanbul ignore else */
    if (false) {} else {
      vm._renderProxy = vm;
    }
    // expose real self
    vm._self = vm;
    initLifecycle(vm);
    initEvents(vm);
    initRender(vm);
    callHook(vm, 'beforeCreate');
    initInjections(vm); // resolve injections before data/props
    initState(vm);
    initProvide(vm); // resolve provide after data/props
    callHook(vm, 'created');

    /* istanbul ignore if */
    if (false) {}

    if (vm.$options.el) {
      vm.$mount(vm.$options.el);
    }
  };
}

function initInternalComponent (vm, options) {
  var opts = vm.$options = Object.create(vm.constructor.options);
  // doing this because it's faster than dynamic enumeration.
  var parentVnode = options._parentVnode;
  opts.parent = options.parent;
  opts._parentVnode = parentVnode;

  var vnodeComponentOptions = parentVnode.componentOptions;
  opts.propsData = vnodeComponentOptions.propsData;
  opts._parentListeners = vnodeComponentOptions.listeners;
  opts._renderChildren = vnodeComponentOptions.children;
  opts._componentTag = vnodeComponentOptions.tag;

  if (options.render) {
    opts.render = options.render;
    opts.staticRenderFns = options.staticRenderFns;
  }
}

function resolveConstructorOptions (Ctor) {
  var options = Ctor.options;
  if (Ctor.super) {
    var superOptions = resolveConstructorOptions(Ctor.super);
    var cachedSuperOptions = Ctor.superOptions;
    if (superOptions !== cachedSuperOptions) {
      // super option changed,
      // need to resolve new options.
      Ctor.superOptions = superOptions;
      // check if there are any late-modified/attached options (#4976)
      var modifiedOptions = resolveModifiedOptions(Ctor);
      // update base extend options
      if (modifiedOptions) {
        extend(Ctor.extendOptions, modifiedOptions);
      }
      options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
      if (options.name) {
        options.components[options.name] = Ctor;
      }
    }
  }
  return options
}

function resolveModifiedOptions (Ctor) {
  var modified;
  var latest = Ctor.options;
  var sealed = Ctor.sealedOptions;
  for (var key in latest) {
    if (latest[key] !== sealed[key]) {
      if (!modified) { modified = {}; }
      modified[key] = latest[key];
    }
  }
  return modified
}

function Vue (options) {
  if (false
  ) {}
  this._init(options);
}

initMixin(Vue);
stateMixin(Vue);
eventsMixin(Vue);
lifecycleMixin(Vue);
renderMixin(Vue);

/*  */

function initUse (Vue) {
  Vue.use = function (plugin) {
    var installedPlugins = (this._installedPlugins || (this._installedPlugins = []));
    if (installedPlugins.indexOf(plugin) > -1) {
      return this
    }

    // additional parameters
    var args = toArray(arguments, 1);
    args.unshift(this);
    if (typeof plugin.install === 'function') {
      plugin.install.apply(plugin, args);
    } else if (typeof plugin === 'function') {
      plugin.apply(null, args);
    }
    installedPlugins.push(plugin);
    return this
  };
}

/*  */

function initMixin$1 (Vue) {
  Vue.mixin = function (mixin) {
    this.options = mergeOptions(this.options, mixin);
    return this
  };
}

/*  */

function initExtend (Vue) {
  /**
   * Each instance constructor, including Vue, has a unique
   * cid. This enables us to create wrapped "child
   * constructors" for prototypal inheritance and cache them.
   */
  Vue.cid = 0;
  var cid = 1;

  /**
   * Class inheritance
   */
  Vue.extend = function (extendOptions) {
    extendOptions = extendOptions || {};
    var Super = this;
    var SuperId = Super.cid;
    var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
    if (cachedCtors[SuperId]) {
      return cachedCtors[SuperId]
    }

    var name = extendOptions.name || Super.options.name;
    if (false) {}

    var Sub = function VueComponent (options) {
      this._init(options);
    };
    Sub.prototype = Object.create(Super.prototype);
    Sub.prototype.constructor = Sub;
    Sub.cid = cid++;
    Sub.options = mergeOptions(
      Super.options,
      extendOptions
    );
    Sub['super'] = Super;

    // For props and computed properties, we define the proxy getters on
    // the Vue instances at extension time, on the extended prototype. This
    // avoids Object.defineProperty calls for each instance created.
    if (Sub.options.props) {
      initProps$1(Sub);
    }
    if (Sub.options.computed) {
      initComputed$1(Sub);
    }

    // allow further extension/mixin/plugin usage
    Sub.extend = Super.extend;
    Sub.mixin = Super.mixin;
    Sub.use = Super.use;

    // create asset registers, so extended classes
    // can have their private assets too.
    ASSET_TYPES.forEach(function (type) {
      Sub[type] = Super[type];
    });
    // enable recursive self-lookup
    if (name) {
      Sub.options.components[name] = Sub;
    }

    // keep a reference to the super options at extension time.
    // later at instantiation we can check if Super's options have
    // been updated.
    Sub.superOptions = Super.options;
    Sub.extendOptions = extendOptions;
    Sub.sealedOptions = extend({}, Sub.options);

    // cache constructor
    cachedCtors[SuperId] = Sub;
    return Sub
  };
}

function initProps$1 (Comp) {
  var props = Comp.options.props;
  for (var key in props) {
    proxy(Comp.prototype, "_props", key);
  }
}

function initComputed$1 (Comp) {
  var computed = Comp.options.computed;
  for (var key in computed) {
    defineComputed(Comp.prototype, key, computed[key]);
  }
}

/*  */

function initAssetRegisters (Vue) {
  /**
   * Create asset registration methods.
   */
  ASSET_TYPES.forEach(function (type) {
    Vue[type] = function (
      id,
      definition
    ) {
      if (!definition) {
        return this.options[type + 's'][id]
      } else {
        /* istanbul ignore if */
        if (false) {}
        if (type === 'component' && isPlainObject(definition)) {
          definition.name = definition.name || id;
          definition = this.options._base.extend(definition);
        }
        if (type === 'directive' && typeof definition === 'function') {
          definition = { bind: definition, update: definition };
        }
        this.options[type + 's'][id] = definition;
        return definition
      }
    };
  });
}

/*  */



function getComponentName (opts) {
  return opts && (opts.Ctor.options.name || opts.tag)
}

function matches (pattern, name) {
  if (Array.isArray(pattern)) {
    return pattern.indexOf(name) > -1
  } else if (typeof pattern === 'string') {
    return pattern.split(',').indexOf(name) > -1
  } else if (isRegExp(pattern)) {
    return pattern.test(name)
  }
  /* istanbul ignore next */
  return false
}

function pruneCache (keepAliveInstance, filter) {
  var cache = keepAliveInstance.cache;
  var keys = keepAliveInstance.keys;
  var _vnode = keepAliveInstance._vnode;
  for (var key in cache) {
    var cachedNode = cache[key];
    if (cachedNode) {
      var name = getComponentName(cachedNode.componentOptions);
      if (name && !filter(name)) {
        pruneCacheEntry(cache, key, keys, _vnode);
      }
    }
  }
}

function pruneCacheEntry (
  cache,
  key,
  keys,
  current
) {
  var cached$$1 = cache[key];
  if (cached$$1 && (!current || cached$$1.tag !== current.tag)) {
    cached$$1.componentInstance.$destroy();
  }
  cache[key] = null;
  remove(keys, key);
}

var patternTypes = [String, RegExp, Array];

var KeepAlive = {
  name: 'keep-alive',
  abstract: true,

  props: {
    include: patternTypes,
    exclude: patternTypes,
    max: [String, Number]
  },

  created: function created () {
    this.cache = Object.create(null);
    this.keys = [];
  },

  destroyed: function destroyed () {
    for (var key in this.cache) {
      pruneCacheEntry(this.cache, key, this.keys);
    }
  },

  mounted: function mounted () {
    var this$1 = this;

    this.$watch('include', function (val) {
      pruneCache(this$1, function (name) { return matches(val, name); });
    });
    this.$watch('exclude', function (val) {
      pruneCache(this$1, function (name) { return !matches(val, name); });
    });
  },

  render: function render () {
    var slot = this.$slots.default;
    var vnode = getFirstComponentChild(slot);
    var componentOptions = vnode && vnode.componentOptions;
    if (componentOptions) {
      // check pattern
      var name = getComponentName(componentOptions);
      var ref = this;
      var include = ref.include;
      var exclude = ref.exclude;
      if (
        // not included
        (include && (!name || !matches(include, name))) ||
        // excluded
        (exclude && name && matches(exclude, name))
      ) {
        return vnode
      }

      var ref$1 = this;
      var cache = ref$1.cache;
      var keys = ref$1.keys;
      var key = vnode.key == null
        // same constructor may get registered as different local components
        // so cid alone is not enough (#3269)
        ? componentOptions.Ctor.cid + (componentOptions.tag ? ("::" + (componentOptions.tag)) : '')
        : vnode.key;
      if (cache[key]) {
        vnode.componentInstance = cache[key].componentInstance;
        // make current key freshest
        remove(keys, key);
        keys.push(key);
      } else {
        cache[key] = vnode;
        keys.push(key);
        // prune oldest entry
        if (this.max && keys.length > parseInt(this.max)) {
          pruneCacheEntry(cache, keys[0], keys, this._vnode);
        }
      }

      vnode.data.keepAlive = true;
    }
    return vnode || (slot && slot[0])
  }
};

var builtInComponents = {
  KeepAlive: KeepAlive
};

/*  */

function initGlobalAPI (Vue) {
  // config
  var configDef = {};
  configDef.get = function () { return config; };
  if (false) {}
  Object.defineProperty(Vue, 'config', configDef);

  // exposed util methods.
  // NOTE: these are not considered part of the public API - avoid relying on
  // them unless you are aware of the risk.
  Vue.util = {
    warn: warn,
    extend: extend,
    mergeOptions: mergeOptions,
    defineReactive: defineReactive$$1
  };

  Vue.set = set;
  Vue.delete = del;
  Vue.nextTick = nextTick;

  // 2.6 explicit observable API
  Vue.observable = function (obj) {
    observe(obj);
    return obj
  };

  Vue.options = Object.create(null);
  ASSET_TYPES.forEach(function (type) {
    Vue.options[type + 's'] = Object.create(null);
  });

  // this is used to identify the "base" constructor to extend all plain-object
  // components with in Weex's multi-instance scenarios.
  Vue.options._base = Vue;

  extend(Vue.options.components, builtInComponents);

  initUse(Vue);
  initMixin$1(Vue);
  initExtend(Vue);
  initAssetRegisters(Vue);
}

initGlobalAPI(Vue);

Object.defineProperty(Vue.prototype, '$isServer', {
  get: isServerRendering
});

Object.defineProperty(Vue.prototype, '$ssrContext', {
  get: function get () {
    /* istanbul ignore next */
    return this.$vnode && this.$vnode.ssrContext
  }
});

// expose FunctionalRenderContext for ssr runtime helper installation
Object.defineProperty(Vue, 'FunctionalRenderContext', {
  value: FunctionalRenderContext
});

Vue.version = '2.6.10';

/*  */

// these are reserved for web because they are directly compiled away
// during template compilation
var isReservedAttr = makeMap('style,class');

// attributes that should be using props for binding
var acceptValue = makeMap('input,textarea,option,select,progress');
var mustUseProp = function (tag, type, attr) {
  return (
    (attr === 'value' && acceptValue(tag)) && type !== 'button' ||
    (attr === 'selected' && tag === 'option') ||
    (attr === 'checked' && tag === 'input') ||
    (attr === 'muted' && tag === 'video')
  )
};

var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');

var isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');

var convertEnumeratedValue = function (key, value) {
  return isFalsyAttrValue(value) || value === 'false'
    ? 'false'
    // allow arbitrary string value for contenteditable
    : key === 'contenteditable' && isValidContentEditableValue(value)
      ? value
      : 'true'
};

var isBooleanAttr = makeMap(
  'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
  'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
  'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
  'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
  'required,reversed,scoped,seamless,selected,sortable,translate,' +
  'truespeed,typemustmatch,visible'
);

var xlinkNS = 'http://www.w3.org/1999/xlink';

var isXlink = function (name) {
  return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
};

var getXlinkProp = function (name) {
  return isXlink(name) ? name.slice(6, name.length) : ''
};

var isFalsyAttrValue = function (val) {
  return val == null || val === false
};

/*  */

function genClassForVnode (vnode) {
  var data = vnode.data;
  var parentNode = vnode;
  var childNode = vnode;
  while (isDef(childNode.componentInstance)) {
    childNode = childNode.componentInstance._vnode;
    if (childNode && childNode.data) {
      data = mergeClassData(childNode.data, data);
    }
  }
  while (isDef(parentNode = parentNode.parent)) {
    if (parentNode && parentNode.data) {
      data = mergeClassData(data, parentNode.data);
    }
  }
  return renderClass(data.staticClass, data.class)
}

function mergeClassData (child, parent) {
  return {
    staticClass: concat(child.staticClass, parent.staticClass),
    class: isDef(child.class)
      ? [child.class, parent.class]
      : parent.class
  }
}

function renderClass (
  staticClass,
  dynamicClass
) {
  if (isDef(staticClass) || isDef(dynamicClass)) {
    return concat(staticClass, stringifyClass(dynamicClass))
  }
  /* istanbul ignore next */
  return ''
}

function concat (a, b) {
  return a ? b ? (a + ' ' + b) : a : (b || '')
}

function stringifyClass (value) {
  if (Array.isArray(value)) {
    return stringifyArray(value)
  }
  if (isObject(value)) {
    return stringifyObject(value)
  }
  if (typeof value === 'string') {
    return value
  }
  /* istanbul ignore next */
  return ''
}

function stringifyArray (value) {
  var res = '';
  var stringified;
  for (var i = 0, l = value.length; i < l; i++) {
    if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {
      if (res) { res += ' '; }
      res += stringified;
    }
  }
  return res
}

function stringifyObject (value) {
  var res = '';
  for (var key in value) {
    if (value[key]) {
      if (res) { res += ' '; }
      res += key;
    }
  }
  return res
}

/*  */

var namespaceMap = {
  svg: 'http://www.w3.org/2000/svg',
  math: 'http://www.w3.org/1998/Math/MathML'
};

var isHTMLTag = makeMap(
  'html,body,base,head,link,meta,style,title,' +
  'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
  'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
  'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
  's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
  'embed,object,param,source,canvas,script,noscript,del,ins,' +
  'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
  'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
  'output,progress,select,textarea,' +
  'details,dialog,menu,menuitem,summary,' +
  'content,element,shadow,template,blockquote,iframe,tfoot'
);

// this map is intentionally selective, only covering SVG elements that may
// contain child elements.
var isSVG = makeMap(
  'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
  'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
  'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
  true
);

var isReservedTag = function (tag) {
  return isHTMLTag(tag) || isSVG(tag)
};

function getTagNamespace (tag) {
  if (isSVG(tag)) {
    return 'svg'
  }
  // basic support for MathML
  // note it doesn't support other MathML elements being component roots
  if (tag === 'math') {
    return 'math'
  }
}

var unknownElementCache = Object.create(null);
function isUnknownElement (tag) {
  /* istanbul ignore if */
  if (!inBrowser) {
    return true
  }
  if (isReservedTag(tag)) {
    return false
  }
  tag = tag.toLowerCase();
  /* istanbul ignore if */
  if (unknownElementCache[tag] != null) {
    return unknownElementCache[tag]
  }
  var el = document.createElement(tag);
  if (tag.indexOf('-') > -1) {
    // http://stackoverflow.com/a/28210364/1070244
    return (unknownElementCache[tag] = (
      el.constructor === window.HTMLUnknownElement ||
      el.constructor === window.HTMLElement
    ))
  } else {
    return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))
  }
}

var isTextInputType = makeMap('text,number,password,search,email,tel,url');

/*  */

/**
 * Query an element selector if it's not an element already.
 */
function query (el) {
  if (typeof el === 'string') {
    var selected = document.querySelector(el);
    if (!selected) {
       false && false;
      return document.createElement('div')
    }
    return selected
  } else {
    return el
  }
}

/*  */

function createElement$1 (tagName, vnode) {
  var elm = document.createElement(tagName);
  if (tagName !== 'select') {
    return elm
  }
  // false or null will remove the attribute but undefined will not
  if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {
    elm.setAttribute('multiple', 'multiple');
  }
  return elm
}

function createElementNS (namespace, tagName) {
  return document.createElementNS(namespaceMap[namespace], tagName)
}

function createTextNode (text) {
  return document.createTextNode(text)
}

function createComment (text) {
  return document.createComment(text)
}

function insertBefore (parentNode, newNode, referenceNode) {
  parentNode.insertBefore(newNode, referenceNode);
}

function removeChild (node, child) {
  node.removeChild(child);
}

function appendChild (node, child) {
  node.appendChild(child);
}

function parentNode (node) {
  return node.parentNode
}

function nextSibling (node) {
  return node.nextSibling
}

function tagName (node) {
  return node.tagName
}

function setTextContent (node, text) {
  node.textContent = text;
}

function setStyleScope (node, scopeId) {
  node.setAttribute(scopeId, '');
}

var nodeOps = /*#__PURE__*/Object.freeze({
  createElement: createElement$1,
  createElementNS: createElementNS,
  createTextNode: createTextNode,
  createComment: createComment,
  insertBefore: insertBefore,
  removeChild: removeChild,
  appendChild: appendChild,
  parentNode: parentNode,
  nextSibling: nextSibling,
  tagName: tagName,
  setTextContent: setTextContent,
  setStyleScope: setStyleScope
});

/*  */

var ref = {
  create: function create (_, vnode) {
    registerRef(vnode);
  },
  update: function update (oldVnode, vnode) {
    if (oldVnode.data.ref !== vnode.data.ref) {
      registerRef(oldVnode, true);
      registerRef(vnode);
    }
  },
  destroy: function destroy (vnode) {
    registerRef(vnode, true);
  }
};

function registerRef (vnode, isRemoval) {
  var key = vnode.data.ref;
  if (!isDef(key)) { return }

  var vm = vnode.context;
  var ref = vnode.componentInstance || vnode.elm;
  var refs = vm.$refs;
  if (isRemoval) {
    if (Array.isArray(refs[key])) {
      remove(refs[key], ref);
    } else if (refs[key] === ref) {
      refs[key] = undefined;
    }
  } else {
    if (vnode.data.refInFor) {
      if (!Array.isArray(refs[key])) {
        refs[key] = [ref];
      } else if (refs[key].indexOf(ref) < 0) {
        // $flow-disable-line
        refs[key].push(ref);
      }
    } else {
      refs[key] = ref;
    }
  }
}

/**
 * Virtual DOM patching algorithm based on Snabbdom by
 * Simon Friis Vindum (@paldepind)
 * Licensed under the MIT License
 * https://github.com/paldepind/snabbdom/blob/master/LICENSE
 *
 * modified by Evan You (@yyx990803)
 *
 * Not type-checking this because this file is perf-critical and the cost
 * of making flow understand it is not worth it.
 */

var emptyNode = new VNode('', {}, []);

var hooks = ['create', 'activate', 'update', 'remove', 'destroy'];

function sameVnode (a, b) {
  return (
    a.key === b.key && (
      (
        a.tag === b.tag &&
        a.isComment === b.isComment &&
        isDef(a.data) === isDef(b.data) &&
        sameInputType(a, b)
      ) || (
        isTrue(a.isAsyncPlaceholder) &&
        a.asyncFactory === b.asyncFactory &&
        isUndef(b.asyncFactory.error)
      )
    )
  )
}

function sameInputType (a, b) {
  if (a.tag !== 'input') { return true }
  var i;
  var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;
  var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;
  return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB)
}

function createKeyToOldIdx (children, beginIdx, endIdx) {
  var i, key;
  var map = {};
  for (i = beginIdx; i <= endIdx; ++i) {
    key = children[i].key;
    if (isDef(key)) { map[key] = i; }
  }
  return map
}

function createPatchFunction (backend) {
  var i, j;
  var cbs = {};

  var modules = backend.modules;
  var nodeOps = backend.nodeOps;

  for (i = 0; i < hooks.length; ++i) {
    cbs[hooks[i]] = [];
    for (j = 0; j < modules.length; ++j) {
      if (isDef(modules[j][hooks[i]])) {
        cbs[hooks[i]].push(modules[j][hooks[i]]);
      }
    }
  }

  function emptyNodeAt (elm) {
    return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)
  }

  function createRmCb (childElm, listeners) {
    function remove$$1 () {
      if (--remove$$1.listeners === 0) {
        removeNode(childElm);
      }
    }
    remove$$1.listeners = listeners;
    return remove$$1
  }

  function removeNode (el) {
    var parent = nodeOps.parentNode(el);
    // element may have already been removed due to v-html / v-text
    if (isDef(parent)) {
      nodeOps.removeChild(parent, el);
    }
  }

  function isUnknownElement$$1 (vnode, inVPre) {
    return (
      !inVPre &&
      !vnode.ns &&
      !(
        config.ignoredElements.length &&
        config.ignoredElements.some(function (ignore) {
          return isRegExp(ignore)
            ? ignore.test(vnode.tag)
            : ignore === vnode.tag
        })
      ) &&
      config.isUnknownElement(vnode.tag)
    )
  }

  var creatingElmInVPre = 0;

  function createElm (
    vnode,
    insertedVnodeQueue,
    parentElm,
    refElm,
    nested,
    ownerArray,
    index
  ) {
    if (isDef(vnode.elm) && isDef(ownerArray)) {
      // This vnode was used in a previous render!
      // now it's used as a new node, overwriting its elm would cause
      // potential patch errors down the road when it's used as an insertion
      // reference node. Instead, we clone the node on-demand before creating
      // associated DOM element for it.
      vnode = ownerArray[index] = cloneVNode(vnode);
    }

    vnode.isRootInsert = !nested; // for transition enter check
    if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
      return
    }

    var data = vnode.data;
    var children = vnode.children;
    var tag = vnode.tag;
    if (isDef(tag)) {
      if (false) {}

      vnode.elm = vnode.ns
        ? nodeOps.createElementNS(vnode.ns, tag)
        : nodeOps.createElement(tag, vnode);
      setScope(vnode);

      /* istanbul ignore if */
      {
        createChildren(vnode, children, insertedVnodeQueue);
        if (isDef(data)) {
          invokeCreateHooks(vnode, insertedVnodeQueue);
        }
        insert(parentElm, vnode.elm, refElm);
      }

      if (false) {}
    } else if (isTrue(vnode.isComment)) {
      vnode.elm = nodeOps.createComment(vnode.text);
      insert(parentElm, vnode.elm, refElm);
    } else {
      vnode.elm = nodeOps.createTextNode(vnode.text);
      insert(parentElm, vnode.elm, refElm);
    }
  }

  function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
    var i = vnode.data;
    if (isDef(i)) {
      var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;
      if (isDef(i = i.hook) && isDef(i = i.init)) {
        i(vnode, false /* hydrating */);
      }
      // after calling the init hook, if the vnode is a child component
      // it should've created a child instance and mounted it. the child
      // component also has set the placeholder vnode's elm.
      // in that case we can just return the element and be done.
      if (isDef(vnode.componentInstance)) {
        initComponent(vnode, insertedVnodeQueue);
        insert(parentElm, vnode.elm, refElm);
        if (isTrue(isReactivated)) {
          reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
        }
        return true
      }
    }
  }

  function initComponent (vnode, insertedVnodeQueue) {
    if (isDef(vnode.data.pendingInsert)) {
      insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
      vnode.data.pendingInsert = null;
    }
    vnode.elm = vnode.componentInstance.$el;
    if (isPatchable(vnode)) {
      invokeCreateHooks(vnode, insertedVnodeQueue);
      setScope(vnode);
    } else {
      // empty component root.
      // skip all element-related modules except for ref (#3455)
      registerRef(vnode);
      // make sure to invoke the insert hook
      insertedVnodeQueue.push(vnode);
    }
  }

  function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
    var i;
    // hack for #4339: a reactivated component with inner transition
    // does not trigger because the inner node's created hooks are not called
    // again. It's not ideal to involve module-specific logic in here but
    // there doesn't seem to be a better way to do it.
    var innerNode = vnode;
    while (innerNode.componentInstance) {
      innerNode = innerNode.componentInstance._vnode;
      if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
        for (i = 0; i < cbs.activate.length; ++i) {
          cbs.activate[i](emptyNode, innerNode);
        }
        insertedVnodeQueue.push(innerNode);
        break
      }
    }
    // unlike a newly created component,
    // a reactivated keep-alive component doesn't insert itself
    insert(parentElm, vnode.elm, refElm);
  }

  function insert (parent, elm, ref$$1) {
    if (isDef(parent)) {
      if (isDef(ref$$1)) {
        if (nodeOps.parentNode(ref$$1) === parent) {
          nodeOps.insertBefore(parent, elm, ref$$1);
        }
      } else {
        nodeOps.appendChild(parent, elm);
      }
    }
  }

  function createChildren (vnode, children, insertedVnodeQueue) {
    if (Array.isArray(children)) {
      if (false) {}
      for (var i = 0; i < children.length; ++i) {
        createElm(children[i], insertedVnodeQueue, vnode.elm, null, true, children, i);
      }
    } else if (isPrimitive(vnode.text)) {
      nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));
    }
  }

  function isPatchable (vnode) {
    while (vnode.componentInstance) {
      vnode = vnode.componentInstance._vnode;
    }
    return isDef(vnode.tag)
  }

  function invokeCreateHooks (vnode, insertedVnodeQueue) {
    for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
      cbs.create[i$1](emptyNode, vnode);
    }
    i = vnode.data.hook; // Reuse variable
    if (isDef(i)) {
      if (isDef(i.create)) { i.create(emptyNode, vnode); }
      if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }
    }
  }

  // set scope id attribute for scoped CSS.
  // this is implemented as a special case to avoid the overhead
  // of going through the normal attribute patching process.
  function setScope (vnode) {
    var i;
    if (isDef(i = vnode.fnScopeId)) {
      nodeOps.setStyleScope(vnode.elm, i);
    } else {
      var ancestor = vnode;
      while (ancestor) {
        if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {
          nodeOps.setStyleScope(vnode.elm, i);
        }
        ancestor = ancestor.parent;
      }
    }
    // for slot content they should also get the scopeId from the host instance.
    if (isDef(i = activeInstance) &&
      i !== vnode.context &&
      i !== vnode.fnContext &&
      isDef(i = i.$options._scopeId)
    ) {
      nodeOps.setStyleScope(vnode.elm, i);
    }
  }

  function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
    for (; startIdx <= endIdx; ++startIdx) {
      createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx);
    }
  }

  function invokeDestroyHook (vnode) {
    var i, j;
    var data = vnode.data;
    if (isDef(data)) {
      if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }
      for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }
    }
    if (isDef(i = vnode.children)) {
      for (j = 0; j < vnode.children.length; ++j) {
        invokeDestroyHook(vnode.children[j]);
      }
    }
  }

  function removeVnodes (parentElm, vnodes, startIdx, endIdx) {
    for (; startIdx <= endIdx; ++startIdx) {
      var ch = vnodes[startIdx];
      if (isDef(ch)) {
        if (isDef(ch.tag)) {
          removeAndInvokeRemoveHook(ch);
          invokeDestroyHook(ch);
        } else { // Text node
          removeNode(ch.elm);
        }
      }
    }
  }

  function removeAndInvokeRemoveHook (vnode, rm) {
    if (isDef(rm) || isDef(vnode.data)) {
      var i;
      var listeners = cbs.remove.length + 1;
      if (isDef(rm)) {
        // we have a recursively passed down rm callback
        // increase the listeners count
        rm.listeners += listeners;
      } else {
        // directly removing
        rm = createRmCb(vnode.elm, listeners);
      }
      // recursively invoke hooks on child component root node
      if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {
        removeAndInvokeRemoveHook(i, rm);
      }
      for (i = 0; i < cbs.remove.length; ++i) {
        cbs.remove[i](vnode, rm);
      }
      if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
        i(vnode, rm);
      } else {
        rm();
      }
    } else {
      removeNode(vnode.elm);
    }
  }

  function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
    var oldStartIdx = 0;
    var newStartIdx = 0;
    var oldEndIdx = oldCh.length - 1;
    var oldStartVnode = oldCh[0];
    var oldEndVnode = oldCh[oldEndIdx];
    var newEndIdx = newCh.length - 1;
    var newStartVnode = newCh[0];
    var newEndVnode = newCh[newEndIdx];
    var oldKeyToIdx, idxInOld, vnodeToMove, refElm;

    // removeOnly is a special flag used only by <transition-group>
    // to ensure removed elements stay in correct relative positions
    // during leaving transitions
    var canMove = !removeOnly;

    if (false) {}

    while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
      if (isUndef(oldStartVnode)) {
        oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
      } else if (isUndef(oldEndVnode)) {
        oldEndVnode = oldCh[--oldEndIdx];
      } else if (sameVnode(oldStartVnode, newStartVnode)) {
        patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
        oldStartVnode = oldCh[++oldStartIdx];
        newStartVnode = newCh[++newStartIdx];
      } else if (sameVnode(oldEndVnode, newEndVnode)) {
        patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
        oldEndVnode = oldCh[--oldEndIdx];
        newEndVnode = newCh[--newEndIdx];
      } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
        patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
        canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
        oldStartVnode = oldCh[++oldStartIdx];
        newEndVnode = newCh[--newEndIdx];
      } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
        patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
        canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
        oldEndVnode = oldCh[--oldEndIdx];
        newStartVnode = newCh[++newStartIdx];
      } else {
        if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }
        idxInOld = isDef(newStartVnode.key)
          ? oldKeyToIdx[newStartVnode.key]
          : findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);
        if (isUndef(idxInOld)) { // New element
          createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
        } else {
          vnodeToMove = oldCh[idxInOld];
          if (sameVnode(vnodeToMove, newStartVnode)) {
            patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
            oldCh[idxInOld] = undefined;
            canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);
          } else {
            // same key but different element. treat as new element
            createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
          }
        }
        newStartVnode = newCh[++newStartIdx];
      }
    }
    if (oldStartIdx > oldEndIdx) {
      refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
      addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
    } else if (newStartIdx > newEndIdx) {
      removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
    }
  }

  function checkDuplicateKeys (children) {
    var seenKeys = {};
    for (var i = 0; i < children.length; i++) {
      var vnode = children[i];
      var key = vnode.key;
      if (isDef(key)) {
        if (seenKeys[key]) {
          warn(
            ("Duplicate keys detected: '" + key + "'. This may cause an update error."),
            vnode.context
          );
        } else {
          seenKeys[key] = true;
        }
      }
    }
  }

  function findIdxInOld (node, oldCh, start, end) {
    for (var i = start; i < end; i++) {
      var c = oldCh[i];
      if (isDef(c) && sameVnode(node, c)) { return i }
    }
  }

  function patchVnode (
    oldVnode,
    vnode,
    insertedVnodeQueue,
    ownerArray,
    index,
    removeOnly
  ) {
    if (oldVnode === vnode) {
      return
    }

    if (isDef(vnode.elm) && isDef(ownerArray)) {
      // clone reused vnode
      vnode = ownerArray[index] = cloneVNode(vnode);
    }

    var elm = vnode.elm = oldVnode.elm;

    if (isTrue(oldVnode.isAsyncPlaceholder)) {
      if (isDef(vnode.asyncFactory.resolved)) {
        hydrate(oldVnode.elm, vnode, insertedVnodeQueue);
      } else {
        vnode.isAsyncPlaceholder = true;
      }
      return
    }

    // reuse element for static trees.
    // note we only do this if the vnode is cloned -
    // if the new node is not cloned it means the render functions have been
    // reset by the hot-reload-api and we need to do a proper re-render.
    if (isTrue(vnode.isStatic) &&
      isTrue(oldVnode.isStatic) &&
      vnode.key === oldVnode.key &&
      (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))
    ) {
      vnode.componentInstance = oldVnode.componentInstance;
      return
    }

    var i;
    var data = vnode.data;
    if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {
      i(oldVnode, vnode);
    }

    var oldCh = oldVnode.children;
    var ch = vnode.children;
    if (isDef(data) && isPatchable(vnode)) {
      for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }
      if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }
    }
    if (isUndef(vnode.text)) {
      if (isDef(oldCh) && isDef(ch)) {
        if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }
      } else if (isDef(ch)) {
        if (false) {}
        if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }
        addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
      } else if (isDef(oldCh)) {
        removeVnodes(elm, oldCh, 0, oldCh.length - 1);
      } else if (isDef(oldVnode.text)) {
        nodeOps.setTextContent(elm, '');
      }
    } else if (oldVnode.text !== vnode.text) {
      nodeOps.setTextContent(elm, vnode.text);
    }
    if (isDef(data)) {
      if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }
    }
  }

  function invokeInsertHook (vnode, queue, initial) {
    // delay insert hooks for component root nodes, invoke them after the
    // element is really inserted
    if (isTrue(initial) && isDef(vnode.parent)) {
      vnode.parent.data.pendingInsert = queue;
    } else {
      for (var i = 0; i < queue.length; ++i) {
        queue[i].data.hook.insert(queue[i]);
      }
    }
  }

  var hydrationBailed = false;
  // list of modules that can skip create hook during hydration because they
  // are already rendered on the client or has no need for initialization
  // Note: style is excluded because it relies on initial clone for future
  // deep updates (#7063).
  var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key');

  // Note: this is a browser-only function so we can assume elms are DOM nodes.
  function hydrate (elm, vnode, insertedVnodeQueue, inVPre) {
    var i;
    var tag = vnode.tag;
    var data = vnode.data;
    var children = vnode.children;
    inVPre = inVPre || (data && data.pre);
    vnode.elm = elm;

    if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {
      vnode.isAsyncPlaceholder = true;
      return true
    }
    // assert node match
    if (false) {}
    if (isDef(data)) {
      if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }
      if (isDef(i = vnode.componentInstance)) {
        // child component. it should have hydrated its own tree.
        initComponent(vnode, insertedVnodeQueue);
        return true
      }
    }
    if (isDef(tag)) {
      if (isDef(children)) {
        // empty element, allow client to pick up and populate children
        if (!elm.hasChildNodes()) {
          createChildren(vnode, children, insertedVnodeQueue);
        } else {
          // v-html and domProps: innerHTML
          if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {
            if (i !== elm.innerHTML) {
              /* istanbul ignore if */
              if (false
              ) {}
              return false
            }
          } else {
            // iterate and compare children lists
            var childrenMatch = true;
            var childNode = elm.firstChild;
            for (var i$1 = 0; i$1 < children.length; i$1++) {
              if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue, inVPre)) {
                childrenMatch = false;
                break
              }
              childNode = childNode.nextSibling;
            }
            // if childNode is not null, it means the actual childNodes list is
            // longer than the virtual children list.
            if (!childrenMatch || childNode) {
              /* istanbul ignore if */
              if (false
              ) {}
              return false
            }
          }
        }
      }
      if (isDef(data)) {
        var fullInvoke = false;
        for (var key in data) {
          if (!isRenderedModule(key)) {
            fullInvoke = true;
            invokeCreateHooks(vnode, insertedVnodeQueue);
            break
          }
        }
        if (!fullInvoke && data['class']) {
          // ensure collecting deps for deep class bindings for future updates
          traverse(data['class']);
        }
      }
    } else if (elm.data !== vnode.text) {
      elm.data = vnode.text;
    }
    return true
  }

  function assertNodeMatch (node, vnode, inVPre) {
    if (isDef(vnode.tag)) {
      return vnode.tag.indexOf('vue-component') === 0 || (
        !isUnknownElement$$1(vnode, inVPre) &&
        vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())
      )
    } else {
      return node.nodeType === (vnode.isComment ? 8 : 3)
    }
  }

  return function patch (oldVnode, vnode, hydrating, removeOnly) {
    if (isUndef(vnode)) {
      if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }
      return
    }

    var isInitialPatch = false;
    var insertedVnodeQueue = [];

    if (isUndef(oldVnode)) {
      // empty mount (likely as component), create new root element
      isInitialPatch = true;
      createElm(vnode, insertedVnodeQueue);
    } else {
      var isRealElement = isDef(oldVnode.nodeType);
      if (!isRealElement && sameVnode(oldVnode, vnode)) {
        // patch existing root node
        patchVnode(oldVnode, vnode, insertedVnodeQueue, null, null, removeOnly);
      } else {
        if (isRealElement) {
          // mounting to a real element
          // check if this is server-rendered content and if we can perform
          // a successful hydration.
          if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {
            oldVnode.removeAttribute(SSR_ATTR);
            hydrating = true;
          }
          if (isTrue(hydrating)) {
            if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
              invokeInsertHook(vnode, insertedVnodeQueue, true);
              return oldVnode
            } else if (false) {}
          }
          // either not server-rendered, or hydration failed.
          // create an empty node and replace it
          oldVnode = emptyNodeAt(oldVnode);
        }

        // replacing existing element
        var oldElm = oldVnode.elm;
        var parentElm = nodeOps.parentNode(oldElm);

        // create new node
        createElm(
          vnode,
          insertedVnodeQueue,
          // extremely rare edge case: do not insert if old element is in a
          // leaving transition. Only happens when combining transition +
          // keep-alive + HOCs. (#4590)
          oldElm._leaveCb ? null : parentElm,
          nodeOps.nextSibling(oldElm)
        );

        // update parent placeholder node element, recursively
        if (isDef(vnode.parent)) {
          var ancestor = vnode.parent;
          var patchable = isPatchable(vnode);
          while (ancestor) {
            for (var i = 0; i < cbs.destroy.length; ++i) {
              cbs.destroy[i](ancestor);
            }
            ancestor.elm = vnode.elm;
            if (patchable) {
              for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
                cbs.create[i$1](emptyNode, ancestor);
              }
              // #6513
              // invoke insert hooks that may have been merged by create hooks.
              // e.g. for directives that uses the "inserted" hook.
              var insert = ancestor.data.hook.insert;
              if (insert.merged) {
                // start at index 1 to avoid re-invoking component mounted hook
                for (var i$2 = 1; i$2 < insert.fns.length; i$2++) {
                  insert.fns[i$2]();
                }
              }
            } else {
              registerRef(ancestor);
            }
            ancestor = ancestor.parent;
          }
        }

        // destroy old node
        if (isDef(parentElm)) {
          removeVnodes(parentElm, [oldVnode], 0, 0);
        } else if (isDef(oldVnode.tag)) {
          invokeDestroyHook(oldVnode);
        }
      }
    }

    invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
    return vnode.elm
  }
}

/*  */

var directives = {
  create: updateDirectives,
  update: updateDirectives,
  destroy: function unbindDirectives (vnode) {
    updateDirectives(vnode, emptyNode);
  }
};

function updateDirectives (oldVnode, vnode) {
  if (oldVnode.data.directives || vnode.data.directives) {
    _update(oldVnode, vnode);
  }
}

function _update (oldVnode, vnode) {
  var isCreate = oldVnode === emptyNode;
  var isDestroy = vnode === emptyNode;
  var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
  var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);

  var dirsWithInsert = [];
  var dirsWithPostpatch = [];

  var key, oldDir, dir;
  for (key in newDirs) {
    oldDir = oldDirs[key];
    dir = newDirs[key];
    if (!oldDir) {
      // new directive, bind
      callHook$1(dir, 'bind', vnode, oldVnode);
      if (dir.def && dir.def.inserted) {
        dirsWithInsert.push(dir);
      }
    } else {
      // existing directive, update
      dir.oldValue = oldDir.value;
      dir.oldArg = oldDir.arg;
      callHook$1(dir, 'update', vnode, oldVnode);
      if (dir.def && dir.def.componentUpdated) {
        dirsWithPostpatch.push(dir);
      }
    }
  }

  if (dirsWithInsert.length) {
    var callInsert = function () {
      for (var i = 0; i < dirsWithInsert.length; i++) {
        callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);
      }
    };
    if (isCreate) {
      mergeVNodeHook(vnode, 'insert', callInsert);
    } else {
      callInsert();
    }
  }

  if (dirsWithPostpatch.length) {
    mergeVNodeHook(vnode, 'postpatch', function () {
      for (var i = 0; i < dirsWithPostpatch.length; i++) {
        callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
      }
    });
  }

  if (!isCreate) {
    for (key in oldDirs) {
      if (!newDirs[key]) {
        // no longer present, unbind
        callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
      }
    }
  }
}

var emptyModifiers = Object.create(null);

function normalizeDirectives$1 (
  dirs,
  vm
) {
  var res = Object.create(null);
  if (!dirs) {
    // $flow-disable-line
    return res
  }
  var i, dir;
  for (i = 0; i < dirs.length; i++) {
    dir = dirs[i];
    if (!dir.modifiers) {
      // $flow-disable-line
      dir.modifiers = emptyModifiers;
    }
    res[getRawDirName(dir)] = dir;
    dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
  }
  // $flow-disable-line
  return res
}

function getRawDirName (dir) {
  return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.')))
}

function callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {
  var fn = dir.def && dir.def[hook];
  if (fn) {
    try {
      fn(vnode.elm, dir, vnode, oldVnode, isDestroy);
    } catch (e) {
      handleError(e, vnode.context, ("directive " + (dir.name) + " " + hook + " hook"));
    }
  }
}

var baseModules = [
  ref,
  directives
];

/*  */

function updateAttrs (oldVnode, vnode) {
  var opts = vnode.componentOptions;
  if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {
    return
  }
  if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {
    return
  }
  var key, cur, old;
  var elm = vnode.elm;
  var oldAttrs = oldVnode.data.attrs || {};
  var attrs = vnode.data.attrs || {};
  // clone observed objects, as the user probably wants to mutate it
  if (isDef(attrs.__ob__)) {
    attrs = vnode.data.attrs = extend({}, attrs);
  }

  for (key in attrs) {
    cur = attrs[key];
    old = oldAttrs[key];
    if (old !== cur) {
      setAttr(elm, key, cur);
    }
  }
  // #4391: in IE9, setting type can reset value for input[type=radio]
  // #6666: IE/Edge forces progress value down to 1 before setting a max
  /* istanbul ignore if */
  if ((isIE || isEdge) && attrs.value !== oldAttrs.value) {
    setAttr(elm, 'value', attrs.value);
  }
  for (key in oldAttrs) {
    if (isUndef(attrs[key])) {
      if (isXlink(key)) {
        elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
      } else if (!isEnumeratedAttr(key)) {
        elm.removeAttribute(key);
      }
    }
  }
}

function setAttr (el, key, value) {
  if (el.tagName.indexOf('-') > -1) {
    baseSetAttr(el, key, value);
  } else if (isBooleanAttr(key)) {
    // set attribute for blank value
    // e.g. <option disabled>Select one</option>
    if (isFalsyAttrValue(value)) {
      el.removeAttribute(key);
    } else {
      // technically allowfullscreen is a boolean attribute for <iframe>,
      // but Flash expects a value of "true" when used on <embed> tag
      value = key === 'allowfullscreen' && el.tagName === 'EMBED'
        ? 'true'
        : key;
      el.setAttribute(key, value);
    }
  } else if (isEnumeratedAttr(key)) {
    el.setAttribute(key, convertEnumeratedValue(key, value));
  } else if (isXlink(key)) {
    if (isFalsyAttrValue(value)) {
      el.removeAttributeNS(xlinkNS, getXlinkProp(key));
    } else {
      el.setAttributeNS(xlinkNS, key, value);
    }
  } else {
    baseSetAttr(el, key, value);
  }
}

function baseSetAttr (el, key, value) {
  if (isFalsyAttrValue(value)) {
    el.removeAttribute(key);
  } else {
    // #7138: IE10 & 11 fires input event when setting placeholder on
    // <textarea>... block the first input event and remove the blocker
    // immediately.
    /* istanbul ignore if */
    if (
      isIE && !isIE9 &&
      el.tagName === 'TEXTAREA' &&
      key === 'placeholder' && value !== '' && !el.__ieph
    ) {
      var blocker = function (e) {
        e.stopImmediatePropagation();
        el.removeEventListener('input', blocker);
      };
      el.addEventListener('input', blocker);
      // $flow-disable-line
      el.__ieph = true; /* IE placeholder patched */
    }
    el.setAttribute(key, value);
  }
}

var attrs = {
  create: updateAttrs,
  update: updateAttrs
};

/*  */

function updateClass (oldVnode, vnode) {
  var el = vnode.elm;
  var data = vnode.data;
  var oldData = oldVnode.data;
  if (
    isUndef(data.staticClass) &&
    isUndef(data.class) && (
      isUndef(oldData) || (
        isUndef(oldData.staticClass) &&
        isUndef(oldData.class)
      )
    )
  ) {
    return
  }

  var cls = genClassForVnode(vnode);

  // handle transition classes
  var transitionClass = el._transitionClasses;
  if (isDef(transitionClass)) {
    cls = concat(cls, stringifyClass(transitionClass));
  }

  // set the class
  if (cls !== el._prevClass) {
    el.setAttribute('class', cls);
    el._prevClass = cls;
  }
}

var klass = {
  create: updateClass,
  update: updateClass
};

/*  */

/*  */

/*  */

/*  */

// in some cases, the event used has to be determined at runtime
// so we used some reserved tokens during compile.
var RANGE_TOKEN = '__r';
var CHECKBOX_RADIO_TOKEN = '__c';

/*  */

// normalize v-model event tokens that can only be determined at runtime.
// it's important to place the event as the first in the array because
// the whole point is ensuring the v-model callback gets called before
// user-attached handlers.
function normalizeEvents (on) {
  /* istanbul ignore if */
  if (isDef(on[RANGE_TOKEN])) {
    // IE input[type=range] only supports `change` event
    var event = isIE ? 'change' : 'input';
    on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);
    delete on[RANGE_TOKEN];
  }
  // This was originally intended to fix #4521 but no longer necessary
  // after 2.5. Keeping it for backwards compat with generated code from < 2.4
  /* istanbul ignore if */
  if (isDef(on[CHECKBOX_RADIO_TOKEN])) {
    on.change = [].concat(on[CHECKBOX_RADIO_TOKEN], on.change || []);
    delete on[CHECKBOX_RADIO_TOKEN];
  }
}

var target$1;

function createOnceHandler$1 (event, handler, capture) {
  var _target = target$1; // save current target element in closure
  return function onceHandler () {
    var res = handler.apply(null, arguments);
    if (res !== null) {
      remove$2(event, onceHandler, capture, _target);
    }
  }
}

// #9446: Firefox <= 53 (in particular, ESR 52) has incorrect Event.timeStamp
// implementation and does not fire microtasks in between event propagation, so
// safe to exclude.
var useMicrotaskFix = isUsingMicroTask && !(isFF && Number(isFF[1]) <= 53);

function add$1 (
  name,
  handler,
  capture,
  passive
) {
  // async edge case #6566: inner click event triggers patch, event handler
  // attached to outer element during patch, and triggered again. This
  // happens because browsers fire microtask ticks between event propagation.
  // the solution is simple: we save the timestamp when a handler is attached,
  // and the handler would only fire if the event passed to it was fired
  // AFTER it was attached.
  if (useMicrotaskFix) {
    var attachedTimestamp = currentFlushTimestamp;
    var original = handler;
    handler = original._wrapper = function (e) {
      if (
        // no bubbling, should always fire.
        // this is just a safety net in case event.timeStamp is unreliable in
        // certain weird environments...
        e.target === e.currentTarget ||
        // event is fired after handler attachment
        e.timeStamp >= attachedTimestamp ||
        // bail for environments that have buggy event.timeStamp implementations
        // #9462 iOS 9 bug: event.timeStamp is 0 after history.pushState
        // #9681 QtWebEngine event.timeStamp is negative value
        e.timeStamp <= 0 ||
        // #9448 bail if event is fired in another document in a multi-page
        // electron/nw.js app, since event.timeStamp will be using a different
        // starting reference
        e.target.ownerDocument !== document
      ) {
        return original.apply(this, arguments)
      }
    };
  }
  target$1.addEventListener(
    name,
    handler,
    supportsPassive
      ? { capture: capture, passive: passive }
      : capture
  );
}

function remove$2 (
  name,
  handler,
  capture,
  _target
) {
  (_target || target$1).removeEventListener(
    name,
    handler._wrapper || handler,
    capture
  );
}

function updateDOMListeners (oldVnode, vnode) {
  if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {
    return
  }
  var on = vnode.data.on || {};
  var oldOn = oldVnode.data.on || {};
  target$1 = vnode.elm;
  normalizeEvents(on);
  updateListeners(on, oldOn, add$1, remove$2, createOnceHandler$1, vnode.context);
  target$1 = undefined;
}

var events = {
  create: updateDOMListeners,
  update: updateDOMListeners
};

/*  */

var svgContainer;

function updateDOMProps (oldVnode, vnode) {
  if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {
    return
  }
  var key, cur;
  var elm = vnode.elm;
  var oldProps = oldVnode.data.domProps || {};
  var props = vnode.data.domProps || {};
  // clone observed objects, as the user probably wants to mutate it
  if (isDef(props.__ob__)) {
    props = vnode.data.domProps = extend({}, props);
  }

  for (key in oldProps) {
    if (!(key in props)) {
      elm[key] = '';
    }
  }

  for (key in props) {
    cur = props[key];
    // ignore children if the node has textContent or innerHTML,
    // as these will throw away existing DOM nodes and cause removal errors
    // on subsequent patches (#3360)
    if (key === 'textContent' || key === 'innerHTML') {
      if (vnode.children) { vnode.children.length = 0; }
      if (cur === oldProps[key]) { continue }
      // #6601 work around Chrome version <= 55 bug where single textNode
      // replaced by innerHTML/textContent retains its parentNode property
      if (elm.childNodes.length === 1) {
        elm.removeChild(elm.childNodes[0]);
      }
    }

    if (key === 'value' && elm.tagName !== 'PROGRESS') {
      // store value as _value as well since
      // non-string values will be stringified
      elm._value = cur;
      // avoid resetting cursor position when value is the same
      var strCur = isUndef(cur) ? '' : String(cur);
      if (shouldUpdateValue(elm, strCur)) {
        elm.value = strCur;
      }
    } else if (key === 'innerHTML' && isSVG(elm.tagName) && isUndef(elm.innerHTML)) {
      // IE doesn't support innerHTML for SVG elements
      svgContainer = svgContainer || document.createElement('div');
      svgContainer.innerHTML = "<svg>" + cur + "</svg>";
      var svg = svgContainer.firstChild;
      while (elm.firstChild) {
        elm.removeChild(elm.firstChild);
      }
      while (svg.firstChild) {
        elm.appendChild(svg.firstChild);
      }
    } else if (
      // skip the update if old and new VDOM state is the same.
      // `value` is handled separately because the DOM value may be temporarily
      // out of sync with VDOM state due to focus, composition and modifiers.
      // This  #4521 by skipping the unnecesarry `checked` update.
      cur !== oldProps[key]
    ) {
      // some property updates can throw
      // e.g. `value` on <progress> w/ non-finite value
      try {
        elm[key] = cur;
      } catch (e) {}
    }
  }
}

// check platforms/web/util/attrs.js acceptValue


function shouldUpdateValue (elm, checkVal) {
  return (!elm.composing && (
    elm.tagName === 'OPTION' ||
    isNotInFocusAndDirty(elm, checkVal) ||
    isDirtyWithModifiers(elm, checkVal)
  ))
}

function isNotInFocusAndDirty (elm, checkVal) {
  // return true when textbox (.number and .trim) loses focus and its value is
  // not equal to the updated value
  var notInFocus = true;
  // #6157
  // work around IE bug when accessing document.activeElement in an iframe
  try { notInFocus = document.activeElement !== elm; } catch (e) {}
  return notInFocus && elm.value !== checkVal
}

function isDirtyWithModifiers (elm, newVal) {
  var value = elm.value;
  var modifiers = elm._vModifiers; // injected by v-model runtime
  if (isDef(modifiers)) {
    if (modifiers.number) {
      return toNumber(value) !== toNumber(newVal)
    }
    if (modifiers.trim) {
      return value.trim() !== newVal.trim()
    }
  }
  return value !== newVal
}

var domProps = {
  create: updateDOMProps,
  update: updateDOMProps
};

/*  */

var parseStyleText = cached(function (cssText) {
  var res = {};
  var listDelimiter = /;(?![^(]*\))/g;
  var propertyDelimiter = /:(.+)/;
  cssText.split(listDelimiter).forEach(function (item) {
    if (item) {
      var tmp = item.split(propertyDelimiter);
      tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
    }
  });
  return res
});

// merge static and dynamic style data on the same vnode
function normalizeStyleData (data) {
  var style = normalizeStyleBinding(data.style);
  // static style is pre-processed into an object during compilation
  // and is always a fresh object, so it's safe to merge into it
  return data.staticStyle
    ? extend(data.staticStyle, style)
    : style
}

// normalize possible array / string values into Object
function normalizeStyleBinding (bindingStyle) {
  if (Array.isArray(bindingStyle)) {
    return toObject(bindingStyle)
  }
  if (typeof bindingStyle === 'string') {
    return parseStyleText(bindingStyle)
  }
  return bindingStyle
}

/**
 * parent component style should be after child's
 * so that parent component's style could override it
 */
function getStyle (vnode, checkChild) {
  var res = {};
  var styleData;

  if (checkChild) {
    var childNode = vnode;
    while (childNode.componentInstance) {
      childNode = childNode.componentInstance._vnode;
      if (
        childNode && childNode.data &&
        (styleData = normalizeStyleData(childNode.data))
      ) {
        extend(res, styleData);
      }
    }
  }

  if ((styleData = normalizeStyleData(vnode.data))) {
    extend(res, styleData);
  }

  var parentNode = vnode;
  while ((parentNode = parentNode.parent)) {
    if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
      extend(res, styleData);
    }
  }
  return res
}

/*  */

var cssVarRE = /^--/;
var importantRE = /\s*!important$/;
var setProp = function (el, name, val) {
  /* istanbul ignore if */
  if (cssVarRE.test(name)) {
    el.style.setProperty(name, val);
  } else if (importantRE.test(val)) {
    el.style.setProperty(hyphenate(name), val.replace(importantRE, ''), 'important');
  } else {
    var normalizedName = normalize(name);
    if (Array.isArray(val)) {
      // Support values array created by autoprefixer, e.g.
      // {display: ["-webkit-box", "-ms-flexbox", "flex"]}
      // Set them one by one, and the browser will only set those it can recognize
      for (var i = 0, len = val.length; i < len; i++) {
        el.style[normalizedName] = val[i];
      }
    } else {
      el.style[normalizedName] = val;
    }
  }
};

var vendorNames = ['Webkit', 'Moz', 'ms'];

var emptyStyle;
var normalize = cached(function (prop) {
  emptyStyle = emptyStyle || document.createElement('div').style;
  prop = camelize(prop);
  if (prop !== 'filter' && (prop in emptyStyle)) {
    return prop
  }
  var capName = prop.charAt(0).toUpperCase() + prop.slice(1);
  for (var i = 0; i < vendorNames.length; i++) {
    var name = vendorNames[i] + capName;
    if (name in emptyStyle) {
      return name
    }
  }
});

function updateStyle (oldVnode, vnode) {
  var data = vnode.data;
  var oldData = oldVnode.data;

  if (isUndef(data.staticStyle) && isUndef(data.style) &&
    isUndef(oldData.staticStyle) && isUndef(oldData.style)
  ) {
    return
  }

  var cur, name;
  var el = vnode.elm;
  var oldStaticStyle = oldData.staticStyle;
  var oldStyleBinding = oldData.normalizedStyle || oldData.style || {};

  // if static style exists, stylebinding already merged into it when doing normalizeStyleData
  var oldStyle = oldStaticStyle || oldStyleBinding;

  var style = normalizeStyleBinding(vnode.data.style) || {};

  // store normalized style under a different key for next diff
  // make sure to clone it if it's reactive, since the user likely wants
  // to mutate it.
  vnode.data.normalizedStyle = isDef(style.__ob__)
    ? extend({}, style)
    : style;

  var newStyle = getStyle(vnode, true);

  for (name in oldStyle) {
    if (isUndef(newStyle[name])) {
      setProp(el, name, '');
    }
  }
  for (name in newStyle) {
    cur = newStyle[name];
    if (cur !== oldStyle[name]) {
      // ie9 setting to null has no effect, must use empty string
      setProp(el, name, cur == null ? '' : cur);
    }
  }
}

var style = {
  create: updateStyle,
  update: updateStyle
};

/*  */

var whitespaceRE = /\s+/;

/**
 * Add class with compatibility for SVG since classList is not supported on
 * SVG elements in IE
 */
function addClass (el, cls) {
  /* istanbul ignore if */
  if (!cls || !(cls = cls.trim())) {
    return
  }

  /* istanbul ignore else */
  if (el.classList) {
    if (cls.indexOf(' ') > -1) {
      cls.split(whitespaceRE).forEach(function (c) { return el.classList.add(c); });
    } else {
      el.classList.add(cls);
    }
  } else {
    var cur = " " + (el.getAttribute('class') || '') + " ";
    if (cur.indexOf(' ' + cls + ' ') < 0) {
      el.setAttribute('class', (cur + cls).trim());
    }
  }
}

/**
 * Remove class with compatibility for SVG since classList is not supported on
 * SVG elements in IE
 */
function removeClass (el, cls) {
  /* istanbul ignore if */
  if (!cls || !(cls = cls.trim())) {
    return
  }

  /* istanbul ignore else */
  if (el.classList) {
    if (cls.indexOf(' ') > -1) {
      cls.split(whitespaceRE).forEach(function (c) { return el.classList.remove(c); });
    } else {
      el.classList.remove(cls);
    }
    if (!el.classList.length) {
      el.removeAttribute('class');
    }
  } else {
    var cur = " " + (el.getAttribute('class') || '') + " ";
    var tar = ' ' + cls + ' ';
    while (cur.indexOf(tar) >= 0) {
      cur = cur.replace(tar, ' ');
    }
    cur = cur.trim();
    if (cur) {
      el.setAttribute('class', cur);
    } else {
      el.removeAttribute('class');
    }
  }
}

/*  */

function resolveTransition (def$$1) {
  if (!def$$1) {
    return
  }
  /* istanbul ignore else */
  if (typeof def$$1 === 'object') {
    var res = {};
    if (def$$1.css !== false) {
      extend(res, autoCssTransition(def$$1.name || 'v'));
    }
    extend(res, def$$1);
    return res
  } else if (typeof def$$1 === 'string') {
    return autoCssTransition(def$$1)
  }
}

var autoCssTransition = cached(function (name) {
  return {
    enterClass: (name + "-enter"),
    enterToClass: (name + "-enter-to"),
    enterActiveClass: (name + "-enter-active"),
    leaveClass: (name + "-leave"),
    leaveToClass: (name + "-leave-to"),
    leaveActiveClass: (name + "-leave-active")
  }
});

var hasTransition = inBrowser && !isIE9;
var TRANSITION = 'transition';
var ANIMATION = 'animation';

// Transition property/event sniffing
var transitionProp = 'transition';
var transitionEndEvent = 'transitionend';
var animationProp = 'animation';
var animationEndEvent = 'animationend';
if (hasTransition) {
  /* istanbul ignore if */
  if (window.ontransitionend === undefined &&
    window.onwebkittransitionend !== undefined
  ) {
    transitionProp = 'WebkitTransition';
    transitionEndEvent = 'webkitTransitionEnd';
  }
  if (window.onanimationend === undefined &&
    window.onwebkitanimationend !== undefined
  ) {
    animationProp = 'WebkitAnimation';
    animationEndEvent = 'webkitAnimationEnd';
  }
}

// binding to window is necessary to make hot reload work in IE in strict mode
var raf = inBrowser
  ? window.requestAnimationFrame
    ? window.requestAnimationFrame.bind(window)
    : setTimeout
  : /* istanbul ignore next */ function (fn) { return fn(); };

function nextFrame (fn) {
  raf(function () {
    raf(fn);
  });
}

function addTransitionClass (el, cls) {
  var transitionClasses = el._transitionClasses || (el._transitionClasses = []);
  if (transitionClasses.indexOf(cls) < 0) {
    transitionClasses.push(cls);
    addClass(el, cls);
  }
}

function removeTransitionClass (el, cls) {
  if (el._transitionClasses) {
    remove(el._transitionClasses, cls);
  }
  removeClass(el, cls);
}

function whenTransitionEnds (
  el,
  expectedType,
  cb
) {
  var ref = getTransitionInfo(el, expectedType);
  var type = ref.type;
  var timeout = ref.timeout;
  var propCount = ref.propCount;
  if (!type) { return cb() }
  var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
  var ended = 0;
  var end = function () {
    el.removeEventListener(event, onEnd);
    cb();
  };
  var onEnd = function (e) {
    if (e.target === el) {
      if (++ended >= propCount) {
        end();
      }
    }
  };
  setTimeout(function () {
    if (ended < propCount) {
      end();
    }
  }, timeout + 1);
  el.addEventListener(event, onEnd);
}

var transformRE = /\b(transform|all)(,|$)/;

function getTransitionInfo (el, expectedType) {
  var styles = window.getComputedStyle(el);
  // JSDOM may return undefined for transition properties
  var transitionDelays = (styles[transitionProp + 'Delay'] || '').split(', ');
  var transitionDurations = (styles[transitionProp + 'Duration'] || '').split(', ');
  var transitionTimeout = getTimeout(transitionDelays, transitionDurations);
  var animationDelays = (styles[animationProp + 'Delay'] || '').split(', ');
  var animationDurations = (styles[animationProp + 'Duration'] || '').split(', ');
  var animationTimeout = getTimeout(animationDelays, animationDurations);

  var type;
  var timeout = 0;
  var propCount = 0;
  /* istanbul ignore if */
  if (expectedType === TRANSITION) {
    if (transitionTimeout > 0) {
      type = TRANSITION;
      timeout = transitionTimeout;
      propCount = transitionDurations.length;
    }
  } else if (expectedType === ANIMATION) {
    if (animationTimeout > 0) {
      type = ANIMATION;
      timeout = animationTimeout;
      propCount = animationDurations.length;
    }
  } else {
    timeout = Math.max(transitionTimeout, animationTimeout);
    type = timeout > 0
      ? transitionTimeout > animationTimeout
        ? TRANSITION
        : ANIMATION
      : null;
    propCount = type
      ? type === TRANSITION
        ? transitionDurations.length
        : animationDurations.length
      : 0;
  }
  var hasTransform =
    type === TRANSITION &&
    transformRE.test(styles[transitionProp + 'Property']);
  return {
    type: type,
    timeout: timeout,
    propCount: propCount,
    hasTransform: hasTransform
  }
}

function getTimeout (delays, durations) {
  /* istanbul ignore next */
  while (delays.length < durations.length) {
    delays = delays.concat(delays);
  }

  return Math.max.apply(null, durations.map(function (d, i) {
    return toMs(d) + toMs(delays[i])
  }))
}

// Old versions of Chromium (below 61.0.3163.100) formats floating pointer numbers
// in a locale-dependent way, using a comma instead of a dot.
// If comma is not replaced with a dot, the input will be rounded down (i.e. acting
// as a floor function) causing unexpected behaviors
function toMs (s) {
  return Number(s.slice(0, -1).replace(',', '.')) * 1000
}

/*  */

function enter (vnode, toggleDisplay) {
  var el = vnode.elm;

  // call leave callback now
  if (isDef(el._leaveCb)) {
    el._leaveCb.cancelled = true;
    el._leaveCb();
  }

  var data = resolveTransition(vnode.data.transition);
  if (isUndef(data)) {
    return
  }

  /* istanbul ignore if */
  if (isDef(el._enterCb) || el.nodeType !== 1) {
    return
  }

  var css = data.css;
  var type = data.type;
  var enterClass = data.enterClass;
  var enterToClass = data.enterToClass;
  var enterActiveClass = data.enterActiveClass;
  var appearClass = data.appearClass;
  var appearToClass = data.appearToClass;
  var appearActiveClass = data.appearActiveClass;
  var beforeEnter = data.beforeEnter;
  var enter = data.enter;
  var afterEnter = data.afterEnter;
  var enterCancelled = data.enterCancelled;
  var beforeAppear = data.beforeAppear;
  var appear = data.appear;
  var afterAppear = data.afterAppear;
  var appearCancelled = data.appearCancelled;
  var duration = data.duration;

  // activeInstance will always be the <transition> component managing this
  // transition. One edge case to check is when the <transition> is placed
  // as the root node of a child component. In that case we need to check
  // <transition>'s parent for appear check.
  var context = activeInstance;
  var transitionNode = activeInstance.$vnode;
  while (transitionNode && transitionNode.parent) {
    context = transitionNode.context;
    transitionNode = transitionNode.parent;
  }

  var isAppear = !context._isMounted || !vnode.isRootInsert;

  if (isAppear && !appear && appear !== '') {
    return
  }

  var startClass = isAppear && appearClass
    ? appearClass
    : enterClass;
  var activeClass = isAppear && appearActiveClass
    ? appearActiveClass
    : enterActiveClass;
  var toClass = isAppear && appearToClass
    ? appearToClass
    : enterToClass;

  var beforeEnterHook = isAppear
    ? (beforeAppear || beforeEnter)
    : beforeEnter;
  var enterHook = isAppear
    ? (typeof appear === 'function' ? appear : enter)
    : enter;
  var afterEnterHook = isAppear
    ? (afterAppear || afterEnter)
    : afterEnter;
  var enterCancelledHook = isAppear
    ? (appearCancelled || enterCancelled)
    : enterCancelled;

  var explicitEnterDuration = toNumber(
    isObject(duration)
      ? duration.enter
      : duration
  );

  if (false) {}

  var expectsCSS = css !== false && !isIE9;
  var userWantsControl = getHookArgumentsLength(enterHook);

  var cb = el._enterCb = once(function () {
    if (expectsCSS) {
      removeTransitionClass(el, toClass);
      removeTransitionClass(el, activeClass);
    }
    if (cb.cancelled) {
      if (expectsCSS) {
        removeTransitionClass(el, startClass);
      }
      enterCancelledHook && enterCancelledHook(el);
    } else {
      afterEnterHook && afterEnterHook(el);
    }
    el._enterCb = null;
  });

  if (!vnode.data.show) {
    // remove pending leave element on enter by injecting an insert hook
    mergeVNodeHook(vnode, 'insert', function () {
      var parent = el.parentNode;
      var pendingNode = parent && parent._pending && parent._pending[vnode.key];
      if (pendingNode &&
        pendingNode.tag === vnode.tag &&
        pendingNode.elm._leaveCb
      ) {
        pendingNode.elm._leaveCb();
      }
      enterHook && enterHook(el, cb);
    });
  }

  // start enter transition
  beforeEnterHook && beforeEnterHook(el);
  if (expectsCSS) {
    addTransitionClass(el, startClass);
    addTransitionClass(el, activeClass);
    nextFrame(function () {
      removeTransitionClass(el, startClass);
      if (!cb.cancelled) {
        addTransitionClass(el, toClass);
        if (!userWantsControl) {
          if (isValidDuration(explicitEnterDuration)) {
            setTimeout(cb, explicitEnterDuration);
          } else {
            whenTransitionEnds(el, type, cb);
          }
        }
      }
    });
  }

  if (vnode.data.show) {
    toggleDisplay && toggleDisplay();
    enterHook && enterHook(el, cb);
  }

  if (!expectsCSS && !userWantsControl) {
    cb();
  }
}

function leave (vnode, rm) {
  var el = vnode.elm;

  // call enter callback now
  if (isDef(el._enterCb)) {
    el._enterCb.cancelled = true;
    el._enterCb();
  }

  var data = resolveTransition(vnode.data.transition);
  if (isUndef(data) || el.nodeType !== 1) {
    return rm()
  }

  /* istanbul ignore if */
  if (isDef(el._leaveCb)) {
    return
  }

  var css = data.css;
  var type = data.type;
  var leaveClass = data.leaveClass;
  var leaveToClass = data.leaveToClass;
  var leaveActiveClass = data.leaveActiveClass;
  var beforeLeave = data.beforeLeave;
  var leave = data.leave;
  var afterLeave = data.afterLeave;
  var leaveCancelled = data.leaveCancelled;
  var delayLeave = data.delayLeave;
  var duration = data.duration;

  var expectsCSS = css !== false && !isIE9;
  var userWantsControl = getHookArgumentsLength(leave);

  var explicitLeaveDuration = toNumber(
    isObject(duration)
      ? duration.leave
      : duration
  );

  if (false) {}

  var cb = el._leaveCb = once(function () {
    if (el.parentNode && el.parentNode._pending) {
      el.parentNode._pending[vnode.key] = null;
    }
    if (expectsCSS) {
      removeTransitionClass(el, leaveToClass);
      removeTransitionClass(el, leaveActiveClass);
    }
    if (cb.cancelled) {
      if (expectsCSS) {
        removeTransitionClass(el, leaveClass);
      }
      leaveCancelled && leaveCancelled(el);
    } else {
      rm();
      afterLeave && afterLeave(el);
    }
    el._leaveCb = null;
  });

  if (delayLeave) {
    delayLeave(performLeave);
  } else {
    performLeave();
  }

  function performLeave () {
    // the delayed leave may have already been cancelled
    if (cb.cancelled) {
      return
    }
    // record leaving element
    if (!vnode.data.show && el.parentNode) {
      (el.parentNode._pending || (el.parentNode._pending = {}))[(vnode.key)] = vnode;
    }
    beforeLeave && beforeLeave(el);
    if (expectsCSS) {
      addTransitionClass(el, leaveClass);
      addTransitionClass(el, leaveActiveClass);
      nextFrame(function () {
        removeTransitionClass(el, leaveClass);
        if (!cb.cancelled) {
          addTransitionClass(el, leaveToClass);
          if (!userWantsControl) {
            if (isValidDuration(explicitLeaveDuration)) {
              setTimeout(cb, explicitLeaveDuration);
            } else {
              whenTransitionEnds(el, type, cb);
            }
          }
        }
      });
    }
    leave && leave(el, cb);
    if (!expectsCSS && !userWantsControl) {
      cb();
    }
  }
}

// only used in dev mode
function checkDuration (val, name, vnode) {
  if (typeof val !== 'number') {
    warn(
      "<transition> explicit " + name + " duration is not a valid number - " +
      "got " + (JSON.stringify(val)) + ".",
      vnode.context
    );
  } else if (isNaN(val)) {
    warn(
      "<transition> explicit " + name + " duration is NaN - " +
      'the duration expression might be incorrect.',
      vnode.context
    );
  }
}

function isValidDuration (val) {
  return typeof val === 'number' && !isNaN(val)
}

/**
 * Normalize a transition hook's argument length. The hook may be:
 * - a merged hook (invoker) with the original in .fns
 * - a wrapped component method (check ._length)
 * - a plain function (.length)
 */
function getHookArgumentsLength (fn) {
  if (isUndef(fn)) {
    return false
  }
  var invokerFns = fn.fns;
  if (isDef(invokerFns)) {
    // invoker
    return getHookArgumentsLength(
      Array.isArray(invokerFns)
        ? invokerFns[0]
        : invokerFns
    )
  } else {
    return (fn._length || fn.length) > 1
  }
}

function _enter (_, vnode) {
  if (vnode.data.show !== true) {
    enter(vnode);
  }
}

var transition = inBrowser ? {
  create: _enter,
  activate: _enter,
  remove: function remove$$1 (vnode, rm) {
    /* istanbul ignore else */
    if (vnode.data.show !== true) {
      leave(vnode, rm);
    } else {
      rm();
    }
  }
} : {};

var platformModules = [
  attrs,
  klass,
  events,
  domProps,
  style,
  transition
];

/*  */

// the directive module should be applied last, after all
// built-in modules have been applied.
var modules = platformModules.concat(baseModules);

var patch = createPatchFunction({ nodeOps: nodeOps, modules: modules });

/**
 * Not type checking this file because flow doesn't like attaching
 * properties to Elements.
 */

/* istanbul ignore if */
if (isIE9) {
  // http://www.matts411.com/post/internet-explorer-9-oninput/
  document.addEventListener('selectionchange', function () {
    var el = document.activeElement;
    if (el && el.vmodel) {
      trigger(el, 'input');
    }
  });
}

var directive = {
  inserted: function inserted (el, binding, vnode, oldVnode) {
    if (vnode.tag === 'select') {
      // #6903
      if (oldVnode.elm && !oldVnode.elm._vOptions) {
        mergeVNodeHook(vnode, 'postpatch', function () {
          directive.componentUpdated(el, binding, vnode);
        });
      } else {
        setSelected(el, binding, vnode.context);
      }
      el._vOptions = [].map.call(el.options, getValue);
    } else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {
      el._vModifiers = binding.modifiers;
      if (!binding.modifiers.lazy) {
        el.addEventListener('compositionstart', onCompositionStart);
        el.addEventListener('compositionend', onCompositionEnd);
        // Safari < 10.2 & UIWebView doesn't fire compositionend when
        // switching focus before confirming composition choice
        // this also fixes the issue where some browsers e.g. iOS Chrome
        // fires "change" instead of "input" on autocomplete.
        el.addEventListener('change', onCompositionEnd);
        /* istanbul ignore if */
        if (isIE9) {
          el.vmodel = true;
        }
      }
    }
  },

  componentUpdated: function componentUpdated (el, binding, vnode) {
    if (vnode.tag === 'select') {
      setSelected(el, binding, vnode.context);
      // in case the options rendered by v-for have changed,
      // it's possible that the value is out-of-sync with the rendered options.
      // detect such cases and filter out values that no longer has a matching
      // option in the DOM.
      var prevOptions = el._vOptions;
      var curOptions = el._vOptions = [].map.call(el.options, getValue);
      if (curOptions.some(function (o, i) { return !looseEqual(o, prevOptions[i]); })) {
        // trigger change event if
        // no matching option found for at least one value
        var needReset = el.multiple
          ? binding.value.some(function (v) { return hasNoMatchingOption(v, curOptions); })
          : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, curOptions);
        if (needReset) {
          trigger(el, 'change');
        }
      }
    }
  }
};

function setSelected (el, binding, vm) {
  actuallySetSelected(el, binding, vm);
  /* istanbul ignore if */
  if (isIE || isEdge) {
    setTimeout(function () {
      actuallySetSelected(el, binding, vm);
    }, 0);
  }
}

function actuallySetSelected (el, binding, vm) {
  var value = binding.value;
  var isMultiple = el.multiple;
  if (isMultiple && !Array.isArray(value)) {
     false && false;
    return
  }
  var selected, option;
  for (var i = 0, l = el.options.length; i < l; i++) {
    option = el.options[i];
    if (isMultiple) {
      selected = looseIndexOf(value, getValue(option)) > -1;
      if (option.selected !== selected) {
        option.selected = selected;
      }
    } else {
      if (looseEqual(getValue(option), value)) {
        if (el.selectedIndex !== i) {
          el.selectedIndex = i;
        }
        return
      }
    }
  }
  if (!isMultiple) {
    el.selectedIndex = -1;
  }
}

function hasNoMatchingOption (value, options) {
  return options.every(function (o) { return !looseEqual(o, value); })
}

function getValue (option) {
  return '_value' in option
    ? option._value
    : option.value
}

function onCompositionStart (e) {
  e.target.composing = true;
}

function onCompositionEnd (e) {
  // prevent triggering an input event for no reason
  if (!e.target.composing) { return }
  e.target.composing = false;
  trigger(e.target, 'input');
}

function trigger (el, type) {
  var e = document.createEvent('HTMLEvents');
  e.initEvent(type, true, true);
  el.dispatchEvent(e);
}

/*  */

// recursively search for possible transition defined inside the component root
function locateNode (vnode) {
  return vnode.componentInstance && (!vnode.data || !vnode.data.transition)
    ? locateNode(vnode.componentInstance._vnode)
    : vnode
}

var show = {
  bind: function bind (el, ref, vnode) {
    var value = ref.value;

    vnode = locateNode(vnode);
    var transition$$1 = vnode.data && vnode.data.transition;
    var originalDisplay = el.__vOriginalDisplay =
      el.style.display === 'none' ? '' : el.style.display;
    if (value && transition$$1) {
      vnode.data.show = true;
      enter(vnode, function () {
        el.style.display = originalDisplay;
      });
    } else {
      el.style.display = value ? originalDisplay : 'none';
    }
  },

  update: function update (el, ref, vnode) {
    var value = ref.value;
    var oldValue = ref.oldValue;

    /* istanbul ignore if */
    if (!value === !oldValue) { return }
    vnode = locateNode(vnode);
    var transition$$1 = vnode.data && vnode.data.transition;
    if (transition$$1) {
      vnode.data.show = true;
      if (value) {
        enter(vnode, function () {
          el.style.display = el.__vOriginalDisplay;
        });
      } else {
        leave(vnode, function () {
          el.style.display = 'none';
        });
      }
    } else {
      el.style.display = value ? el.__vOriginalDisplay : 'none';
    }
  },

  unbind: function unbind (
    el,
    binding,
    vnode,
    oldVnode,
    isDestroy
  ) {
    if (!isDestroy) {
      el.style.display = el.__vOriginalDisplay;
    }
  }
};

var platformDirectives = {
  model: directive,
  show: show
};

/*  */

var transitionProps = {
  name: String,
  appear: Boolean,
  css: Boolean,
  mode: String,
  type: String,
  enterClass: String,
  leaveClass: String,
  enterToClass: String,
  leaveToClass: String,
  enterActiveClass: String,
  leaveActiveClass: String,
  appearClass: String,
  appearActiveClass: String,
  appearToClass: String,
  duration: [Number, String, Object]
};

// in case the child is also an abstract component, e.g. <keep-alive>
// we want to recursively retrieve the real component to be rendered
function getRealChild (vnode) {
  var compOptions = vnode && vnode.componentOptions;
  if (compOptions && compOptions.Ctor.options.abstract) {
    return getRealChild(getFirstComponentChild(compOptions.children))
  } else {
    return vnode
  }
}

function extractTransitionData (comp) {
  var data = {};
  var options = comp.$options;
  // props
  for (var key in options.propsData) {
    data[key] = comp[key];
  }
  // events.
  // extract listeners and pass them directly to the transition methods
  var listeners = options._parentListeners;
  for (var key$1 in listeners) {
    data[camelize(key$1)] = listeners[key$1];
  }
  return data
}

function placeholder (h, rawChild) {
  if (/\d-keep-alive$/.test(rawChild.tag)) {
    return h('keep-alive', {
      props: rawChild.componentOptions.propsData
    })
  }
}

function hasParentTransition (vnode) {
  while ((vnode = vnode.parent)) {
    if (vnode.data.transition) {
      return true
    }
  }
}

function isSameChild (child, oldChild) {
  return oldChild.key === child.key && oldChild.tag === child.tag
}

var isNotTextNode = function (c) { return c.tag || isAsyncPlaceholder(c); };

var isVShowDirective = function (d) { return d.name === 'show'; };

var Transition = {
  name: 'transition',
  props: transitionProps,
  abstract: true,

  render: function render (h) {
    var this$1 = this;

    var children = this.$slots.default;
    if (!children) {
      return
    }

    // filter out text nodes (possible whitespaces)
    children = children.filter(isNotTextNode);
    /* istanbul ignore if */
    if (!children.length) {
      return
    }

    // warn multiple elements
    if (false) {}

    var mode = this.mode;

    // warn invalid mode
    if (false
    ) {}

    var rawChild = children[0];

    // if this is a component root node and the component's
    // parent container node also has transition, skip.
    if (hasParentTransition(this.$vnode)) {
      return rawChild
    }

    // apply transition data to child
    // use getRealChild() to ignore abstract components e.g. keep-alive
    var child = getRealChild(rawChild);
    /* istanbul ignore if */
    if (!child) {
      return rawChild
    }

    if (this._leaving) {
      return placeholder(h, rawChild)
    }

    // ensure a key that is unique to the vnode type and to this transition
    // component instance. This key will be used to remove pending leaving nodes
    // during entering.
    var id = "__transition-" + (this._uid) + "-";
    child.key = child.key == null
      ? child.isComment
        ? id + 'comment'
        : id + child.tag
      : isPrimitive(child.key)
        ? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key)
        : child.key;

    var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
    var oldRawChild = this._vnode;
    var oldChild = getRealChild(oldRawChild);

    // mark v-show
    // so that the transition module can hand over the control to the directive
    if (child.data.directives && child.data.directives.some(isVShowDirective)) {
      child.data.show = true;
    }

    if (
      oldChild &&
      oldChild.data &&
      !isSameChild(child, oldChild) &&
      !isAsyncPlaceholder(oldChild) &&
      // #6687 component root is a comment node
      !(oldChild.componentInstance && oldChild.componentInstance._vnode.isComment)
    ) {
      // replace old child transition data with fresh one
      // important for dynamic transitions!
      var oldData = oldChild.data.transition = extend({}, data);
      // handle transition mode
      if (mode === 'out-in') {
        // return placeholder node and queue update when leave finishes
        this._leaving = true;
        mergeVNodeHook(oldData, 'afterLeave', function () {
          this$1._leaving = false;
          this$1.$forceUpdate();
        });
        return placeholder(h, rawChild)
      } else if (mode === 'in-out') {
        if (isAsyncPlaceholder(child)) {
          return oldRawChild
        }
        var delayedLeave;
        var performLeave = function () { delayedLeave(); };
        mergeVNodeHook(data, 'afterEnter', performLeave);
        mergeVNodeHook(data, 'enterCancelled', performLeave);
        mergeVNodeHook(oldData, 'delayLeave', function (leave) { delayedLeave = leave; });
      }
    }

    return rawChild
  }
};

/*  */

var props = extend({
  tag: String,
  moveClass: String
}, transitionProps);

delete props.mode;

var TransitionGroup = {
  props: props,

  beforeMount: function beforeMount () {
    var this$1 = this;

    var update = this._update;
    this._update = function (vnode, hydrating) {
      var restoreActiveInstance = setActiveInstance(this$1);
      // force removing pass
      this$1.__patch__(
        this$1._vnode,
        this$1.kept,
        false, // hydrating
        true // removeOnly (!important, avoids unnecessary moves)
      );
      this$1._vnode = this$1.kept;
      restoreActiveInstance();
      update.call(this$1, vnode, hydrating);
    };
  },

  render: function render (h) {
    var tag = this.tag || this.$vnode.data.tag || 'span';
    var map = Object.create(null);
    var prevChildren = this.prevChildren = this.children;
    var rawChildren = this.$slots.default || [];
    var children = this.children = [];
    var transitionData = extractTransitionData(this);

    for (var i = 0; i < rawChildren.length; i++) {
      var c = rawChildren[i];
      if (c.tag) {
        if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
          children.push(c);
          map[c.key] = c
          ;(c.data || (c.data = {})).transition = transitionData;
        } else if (false) { var name, opts; }
      }
    }

    if (prevChildren) {
      var kept = [];
      var removed = [];
      for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {
        var c$1 = prevChildren[i$1];
        c$1.data.transition = transitionData;
        c$1.data.pos = c$1.elm.getBoundingClientRect();
        if (map[c$1.key]) {
          kept.push(c$1);
        } else {
          removed.push(c$1);
        }
      }
      this.kept = h(tag, null, kept);
      this.removed = removed;
    }

    return h(tag, null, children)
  },

  updated: function updated () {
    var children = this.prevChildren;
    var moveClass = this.moveClass || ((this.name || 'v') + '-move');
    if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
      return
    }

    // we divide the work into three loops to avoid mixing DOM reads and writes
    // in each iteration - which helps prevent layout thrashing.
    children.forEach(callPendingCbs);
    children.forEach(recordPosition);
    children.forEach(applyTranslation);

    // force reflow to put everything in position
    // assign to this to avoid being removed in tree-shaking
    // $flow-disable-line
    this._reflow = document.body.offsetHeight;

    children.forEach(function (c) {
      if (c.data.moved) {
        var el = c.elm;
        var s = el.style;
        addTransitionClass(el, moveClass);
        s.transform = s.WebkitTransform = s.transitionDuration = '';
        el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {
          if (e && e.target !== el) {
            return
          }
          if (!e || /transform$/.test(e.propertyName)) {
            el.removeEventListener(transitionEndEvent, cb);
            el._moveCb = null;
            removeTransitionClass(el, moveClass);
          }
        });
      }
    });
  },

  methods: {
    hasMove: function hasMove (el, moveClass) {
      /* istanbul ignore if */
      if (!hasTransition) {
        return false
      }
      /* istanbul ignore if */
      if (this._hasMove) {
        return this._hasMove
      }
      // Detect whether an element with the move class applied has
      // CSS transitions. Since the element may be inside an entering
      // transition at this very moment, we make a clone of it and remove
      // all other transition classes applied to ensure only the move class
      // is applied.
      var clone = el.cloneNode();
      if (el._transitionClasses) {
        el._transitionClasses.forEach(function (cls) { removeClass(clone, cls); });
      }
      addClass(clone, moveClass);
      clone.style.display = 'none';
      this.$el.appendChild(clone);
      var info = getTransitionInfo(clone);
      this.$el.removeChild(clone);
      return (this._hasMove = info.hasTransform)
    }
  }
};

function callPendingCbs (c) {
  /* istanbul ignore if */
  if (c.elm._moveCb) {
    c.elm._moveCb();
  }
  /* istanbul ignore if */
  if (c.elm._enterCb) {
    c.elm._enterCb();
  }
}

function recordPosition (c) {
  c.data.newPos = c.elm.getBoundingClientRect();
}

function applyTranslation (c) {
  var oldPos = c.data.pos;
  var newPos = c.data.newPos;
  var dx = oldPos.left - newPos.left;
  var dy = oldPos.top - newPos.top;
  if (dx || dy) {
    c.data.moved = true;
    var s = c.elm.style;
    s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)";
    s.transitionDuration = '0s';
  }
}

var platformComponents = {
  Transition: Transition,
  TransitionGroup: TransitionGroup
};

/*  */

// install platform specific utils
Vue.config.mustUseProp = mustUseProp;
Vue.config.isReservedTag = isReservedTag;
Vue.config.isReservedAttr = isReservedAttr;
Vue.config.getTagNamespace = getTagNamespace;
Vue.config.isUnknownElement = isUnknownElement;

// install platform runtime directives & components
extend(Vue.options.directives, platformDirectives);
extend(Vue.options.components, platformComponents);

// install platform patch function
Vue.prototype.__patch__ = inBrowser ? patch : noop;

// public mount method
Vue.prototype.$mount = function (
  el,
  hydrating
) {
  el = el && inBrowser ? query(el) : undefined;
  return mountComponent(this, el, hydrating)
};

// devtools global hook
/* istanbul ignore next */
if (inBrowser) {
  setTimeout(function () {
    if (config.devtools) {
      if (devtools) {
        devtools.emit('init', Vue);
      } else if (
        false
      ) {}
    }
    if (false
    ) {}
  }, 0);
}

/*  */

/* harmony default export */ __webpack_exports__["a"] = (Vue);

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(8), __webpack_require__(67).setImmediate))

/***/ }),

/***/ 6:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* WEBPACK VAR INJECTION */(function(global) {// Clone deep utility for cloning initial state of the store
// Forked from https://github.com/planttheidea/fast-copy
// Last update: 2019-10-30
// ⚠️ Don't forget to update `./hook.js`

// utils
const { toString: toStringFunction } = Function.prototype
const {
  create,
  defineProperty,
  getOwnPropertyDescriptor,
  getOwnPropertyNames,
  getOwnPropertySymbols,
  getPrototypeOf
} = Object
const { hasOwnProperty, propertyIsEnumerable } = Object.prototype

/**
 * @enum
 *
 * @const {Object} SUPPORTS
 *
 * @property {boolean} SYMBOL_PROPERTIES are symbol properties supported
 * @property {boolean} WEAKSET is WeakSet supported
 */
const SUPPORTS = {
  SYMBOL_PROPERTIES: typeof getOwnPropertySymbols === 'function',
  WEAKSET: typeof WeakSet === 'function'
}

/**
 * @function createCache
 *
 * @description
 * get a new cache object to prevent circular references
 *
 * @returns the new cache object
 */
const createCache = () => {
  if (SUPPORTS.WEAKSET) {
    return new WeakSet()
  }

  const object = create({
    add: (value) => object._values.push(value),
    has: (value) => !!~object._values.indexOf(value)
  })

  object._values = []

  return object
}

/**
 * @function getCleanClone
 *
 * @description
 * get an empty version of the object with the same prototype it has
 *
 * @param object the object to build a clean clone from
 * @param realm the realm the object resides in
 * @returns the empty cloned object
 */
const getCleanClone = (object, realm) => {
  if (!object.constructor) {
    return create(null)
  }

  // eslint-disable-next-line no-proto
  const prototype = object.__proto__ || getPrototypeOf(object)

  if (object.constructor === realm.Object) {
    return prototype === realm.Object.prototype ? {} : create(prototype)
  }

  if (~toStringFunction.call(object.constructor).indexOf('[native code]')) {
    try {
      return new object.constructor()
    } catch (e) {
      // Error
    }
  }

  return create(prototype)
}

/**
 * @function getObjectCloneLoose
 *
 * @description
 * get a copy of the object based on loose rules, meaning all enumerable keys
 * and symbols are copied, but property descriptors are not considered
 *
 * @param object the object to clone
 * @param realm the realm the object resides in
 * @param handleCopy the function that handles copying the object
 * @returns the copied object
 */
const getObjectCloneLoose = (
  object,
  realm,
  handleCopy,
  cache
) => {
  const clone = getCleanClone(object, realm)

  for (const key in object) {
    if (hasOwnProperty.call(object, key)) {
      clone[key] = handleCopy(object[key], cache)
    }
  }

  if (SUPPORTS.SYMBOL_PROPERTIES) {
    const symbols = getOwnPropertySymbols(object)

    if (symbols.length) {
      for (let index = 0, symbol; index < symbols.length; index++) {
        symbol = symbols[index]

        if (propertyIsEnumerable.call(object, symbol)) {
          clone[symbol] = handleCopy(object[symbol], cache)
        }
      }
    }
  }

  return clone
}

/**
 * @function getObjectCloneStrict
 *
 * @description
 * get a copy of the object based on strict rules, meaning all keys and symbols
 * are copied based on the original property descriptors
 *
 * @param object the object to clone
 * @param realm the realm the object resides in
 * @param handleCopy the function that handles copying the object
 * @returns the copied object
 */
const getObjectCloneStrict = (
  object,
  realm,
  handleCopy,
  cache
) => {
  const clone = getCleanClone(object, realm)

  const properties = SUPPORTS.SYMBOL_PROPERTIES
    ? [].concat(getOwnPropertyNames(object), getOwnPropertySymbols(object))
    : getOwnPropertyNames(object)

  if (properties.length) {
    for (
      let index = 0, property, descriptor;
      index < properties.length;
      index++
    ) {
      property = properties[index]

      if (property !== 'callee' && property !== 'caller') {
        descriptor = getOwnPropertyDescriptor(object, property)

        descriptor.value = handleCopy(object[property], cache)

        defineProperty(clone, property, descriptor)
      }
    }
  }

  return clone
}

/**
 * @function getRegExpFlags
 *
 * @description
 * get the flags to apply to the copied regexp
 *
 * @param regExp the regexp to get the flags of
 * @returns the flags for the regexp
 */
const getRegExpFlags = (regExp) => {
  let flags = ''

  if (regExp.global) {
    flags += 'g'
  }

  if (regExp.ignoreCase) {
    flags += 'i'
  }

  if (regExp.multiline) {
    flags += 'm'
  }

  if (regExp.unicode) {
    flags += 'u'
  }

  if (regExp.sticky) {
    flags += 'y'
  }

  return flags
}

const { isArray } = Array

const GLOBAL_THIS = (() => {
  if (typeof self !== 'undefined') {
    return self
  }

  if (typeof window !== 'undefined') {
    return window
  }

  if (typeof global !== 'undefined') {
    return global
  }

  if (console && console.error) {
    console.error('Unable to locate global object, returning "this".')
  }
})()

/**
 * @function clone
 *
 * @description
 * copy an object deeply as much as possible
 *
 * If `strict` is applied, then all properties (including non-enumerable ones)
 * are copied with their original property descriptors on both objects and arrays.
 *
 * The object is compared to the global constructors in the `realm` provided,
 * and the native constructor is always used to ensure that extensions of native
 * objects (allows in ES2015+) are maintained.
 *
 * @param object the object to copy
 * @param [options] the options for copying with
 * @param [options.isStrict] should the copy be strict
 * @param [options.realm] the realm (this) object the object is copied from
 * @returns the copied object
 */
function clone (object, options) {
  // manually coalesced instead of default parameters for performance
  const isStrict = !!(options && options.isStrict)
  const realm = (options && options.realm) || GLOBAL_THIS

  const getObjectClone = isStrict
    ? getObjectCloneStrict
    : getObjectCloneLoose

  /**
   * @function handleCopy
   *
   * @description
   * copy the object recursively based on its type
   *
   * @param object the object to copy
   * @returns the copied object
   */
  const handleCopy = (
    object,
    cache
  ) => {
    if (!object || typeof object !== 'object' || cache.has(object)) {
      return object
    }

    // DOM objects
    if (object instanceof HTMLElement) {
      return object.cloneNode(false)
    }

    const Constructor = object.constructor

    // plain objects
    if (Constructor === realm.Object) {
      cache.add(object)

      return getObjectClone(object, realm, handleCopy, cache)
    }

    let clone

    // arrays
    if (isArray(object)) {
      cache.add(object)

      // if strict, include non-standard properties
      if (isStrict) {
        return getObjectCloneStrict(object, realm, handleCopy, cache)
      }

      clone = new Constructor()

      for (let index = 0; index < object.length; index++) {
        clone[index] = handleCopy(object[index], cache)
      }

      return clone
    }

    // dates
    if (object instanceof realm.Date) {
      return new Constructor(object.getTime())
    }

    // regexps
    if (object instanceof realm.RegExp) {
      clone = new Constructor(
        object.source,
        object.flags || getRegExpFlags(object)
      )

      clone.lastIndex = object.lastIndex

      return clone
    }

    // maps
    if (realm.Map && object instanceof realm.Map) {
      cache.add(object)

      clone = new Constructor()

      object.forEach((value, key) => {
        clone.set(key, handleCopy(value, cache))
      })

      return clone
    }

    // sets
    if (realm.Set && object instanceof realm.Set) {
      cache.add(object)

      clone = new Constructor()

      object.forEach((value) => {
        clone.add(handleCopy(value, cache))
      })

      return clone
    }

    // buffers (node-only)
    if (realm.Buffer && realm.Buffer.isBuffer(object)) {
      clone = realm.Buffer.allocUnsafe
        ? realm.Buffer.allocUnsafe(object.length)
        : new Constructor(object.length)

      object.copy(clone)

      return clone
    }

    // arraybuffers / dataviews
    if (realm.ArrayBuffer) {
      // dataviews
      if (realm.ArrayBuffer.isView(object)) {
        return new Constructor(object.buffer.slice(0))
      }

      // arraybuffers
      if (object instanceof realm.ArrayBuffer) {
        return object.slice(0)
      }
    }

    // if the object cannot / should not be cloned, don't
    if (
      // promise-like
      (hasOwnProperty.call(object, 'then') && typeof object.then === 'function') ||
      // errors
      object instanceof Error ||
      // weakmaps
      (realm.WeakMap && object instanceof realm.WeakMap) ||
      // weaksets
      (realm.WeakSet && object instanceof realm.WeakSet)
    ) {
      return object
    }

    cache.add(object)

    // assume anything left is a custom constructor
    return getObjectClone(object, realm, handleCopy, cache)
  }

  return handleCopy(object, createCache())
}

/* harmony default export */ __webpack_exports__["a"] = (clone);

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(8)))

/***/ }),

/***/ 67:
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {var scope = (typeof global !== "undefined" && global) ||
            (typeof self !== "undefined" && self) ||
            window;
var apply = Function.prototype.apply;

// DOM APIs, for completeness

exports.setTimeout = function() {
  return new Timeout(apply.call(setTimeout, scope, arguments), clearTimeout);
};
exports.setInterval = function() {
  return new Timeout(apply.call(setInterval, scope, arguments), clearInterval);
};
exports.clearTimeout =
exports.clearInterval = function(timeout) {
  if (timeout) {
    timeout.close();
  }
};

function Timeout(id, clearFn) {
  this._id = id;
  this._clearFn = clearFn;
}
Timeout.prototype.unref = Timeout.prototype.ref = function() {};
Timeout.prototype.close = function() {
  this._clearFn.call(scope, this._id);
};

// Does not start the time, just sets up the members needed.
exports.enroll = function(item, msecs) {
  clearTimeout(item._idleTimeoutId);
  item._idleTimeout = msecs;
};

exports.unenroll = function(item) {
  clearTimeout(item._idleTimeoutId);
  item._idleTimeout = -1;
};

exports._unrefActive = exports.active = function(item) {
  clearTimeout(item._idleTimeoutId);

  var msecs = item._idleTimeout;
  if (msecs >= 0) {
    item._idleTimeoutId = setTimeout(function onTimeout() {
      if (item._onTimeout)
        item._onTimeout();
    }, msecs);
  }
};

// setimmediate attaches itself to the global object
__webpack_require__(68);
// On some exotic environments, it's not clear which object `setimmediate` was
// able to install onto.  Search each possibility in the same order as the
// `setimmediate` library.
exports.setImmediate = (typeof self !== "undefined" && self.setImmediate) ||
                       (typeof global !== "undefined" && global.setImmediate) ||
                       (this && this.setImmediate);
exports.clearImmediate = (typeof self !== "undefined" && self.clearImmediate) ||
                         (typeof global !== "undefined" && global.clearImmediate) ||
                         (this && this.clearImmediate);

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(8)))

/***/ }),

/***/ 68:
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global, process) {(function (global, undefined) {
    "use strict";

    if (global.setImmediate) {
        return;
    }

    var nextHandle = 1; // Spec says greater than zero
    var tasksByHandle = {};
    var currentlyRunningATask = false;
    var doc = global.document;
    var registerImmediate;

    function setImmediate(callback) {
      // Callback can either be a function or a string
      if (typeof callback !== "function") {
        callback = new Function("" + callback);
      }
      // Copy function arguments
      var args = new Array(arguments.length - 1);
      for (var i = 0; i < args.length; i++) {
          args[i] = arguments[i + 1];
      }
      // Store and register the task
      var task = { callback: callback, args: args };
      tasksByHandle[nextHandle] = task;
      registerImmediate(nextHandle);
      return nextHandle++;
    }

    function clearImmediate(handle) {
        delete tasksByHandle[handle];
    }

    function run(task) {
        var callback = task.callback;
        var args = task.args;
        switch (args.length) {
        case 0:
            callback();
            break;
        case 1:
            callback(args[0]);
            break;
        case 2:
            callback(args[0], args[1]);
            break;
        case 3:
            callback(args[0], args[1], args[2]);
            break;
        default:
            callback.apply(undefined, args);
            break;
        }
    }

    function runIfPresent(handle) {
        // From the spec: "Wait until any invocations of this algorithm started before this one have completed."
        // So if we're currently running a task, we'll need to delay this invocation.
        if (currentlyRunningATask) {
            // Delay by doing a setTimeout. setImmediate was tried instead, but in Firefox 7 it generated a
            // "too much recursion" error.
            setTimeout(runIfPresent, 0, handle);
        } else {
            var task = tasksByHandle[handle];
            if (task) {
                currentlyRunningATask = true;
                try {
                    run(task);
                } finally {
                    clearImmediate(handle);
                    currentlyRunningATask = false;
                }
            }
        }
    }

    function installNextTickImplementation() {
        registerImmediate = function(handle) {
            process.nextTick(function () { runIfPresent(handle); });
        };
    }

    function canUsePostMessage() {
        // The test against `importScripts` prevents this implementation from being installed inside a web worker,
        // where `global.postMessage` means something completely different and can't be used for this purpose.
        if (global.postMessage && !global.importScripts) {
            var postMessageIsAsynchronous = true;
            var oldOnMessage = global.onmessage;
            global.onmessage = function() {
                postMessageIsAsynchronous = false;
            };
            global.postMessage("", "*");
            global.onmessage = oldOnMessage;
            return postMessageIsAsynchronous;
        }
    }

    function installPostMessageImplementation() {
        // Installs an event handler on `global` for the `message` event: see
        // * https://developer.mozilla.org/en/DOM/window.postMessage
        // * http://www.whatwg.org/specs/web-apps/current-work/multipage/comms.html#crossDocumentMessages

        var messagePrefix = "setImmediate$" + Math.random() + "$";
        var onGlobalMessage = function(event) {
            if (event.source === global &&
                typeof event.data === "string" &&
                event.data.indexOf(messagePrefix) === 0) {
                runIfPresent(+event.data.slice(messagePrefix.length));
            }
        };

        if (global.addEventListener) {
            global.addEventListener("message", onGlobalMessage, false);
        } else {
            global.attachEvent("onmessage", onGlobalMessage);
        }

        registerImmediate = function(handle) {
            global.postMessage(messagePrefix + handle, "*");
        };
    }

    function installMessageChannelImplementation() {
        var channel = new MessageChannel();
        channel.port1.onmessage = function(event) {
            var handle = event.data;
            runIfPresent(handle);
        };

        registerImmediate = function(handle) {
            channel.port2.postMessage(handle);
        };
    }

    function installReadyStateChangeImplementation() {
        var html = doc.documentElement;
        registerImmediate = function(handle) {
            // Create a <script> element; its readystatechange event will be fired asynchronously once it is inserted
            // into the document. Do so, thus queuing up the task. Remember to clean up once it's been called.
            var script = doc.createElement("script");
            script.onreadystatechange = function () {
                runIfPresent(handle);
                script.onreadystatechange = null;
                html.removeChild(script);
                script = null;
            };
            html.appendChild(script);
        };
    }

    function installSetTimeoutImplementation() {
        registerImmediate = function(handle) {
            setTimeout(runIfPresent, 0, handle);
        };
    }

    // If supported, we should attach to the prototype of global, since that is where setTimeout et al. live.
    var attachTo = Object.getPrototypeOf && Object.getPrototypeOf(global);
    attachTo = attachTo && attachTo.setTimeout ? attachTo : global;

    // Don't get fooled by e.g. browserify environments.
    if ({}.toString.call(global.process) === "[object process]") {
        // For Node.js before 0.9
        installNextTickImplementation();

    } else if (canUsePostMessage()) {
        // For non-IE10 modern browsers
        installPostMessageImplementation();

    } else if (global.MessageChannel) {
        // For web workers, where supported
        installMessageChannelImplementation();

    } else if (doc && "onreadystatechange" in doc.createElement("script")) {
        // For IE 6–8
        installReadyStateChangeImplementation();

    } else {
        // For older browsers
        installSetTimeoutImplementation();
    }

    attachTo.setImmediate = setImmediate;
    attachTo.clearImmediate = clearImmediate;
}(typeof self === "undefined" ? typeof global === "undefined" ? this : global : self));

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(8), __webpack_require__(19)))

/***/ }),

/***/ 8:
/***/ (function(module, exports) {

var g;

// This works in non-strict mode
g = (function() {
	return this;
})();

try {
	// This works if eval is allowed (see CSP)
	g = g || new Function("return this")();
} catch (e) {
	// This works if the window reference is available
	if (typeof window === "object") g = window;
}

// g can still be undefined, but nothing to do about it...
// We return undefined, instead of nothing here, so it's
// easier to handle this case. if(!global) { ...}

module.exports = g;


/***/ }),

/***/ 9:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return init; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return get; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "c", function() { return set; });
/* unused harmony export remove */
/* unused harmony export clear */
// If we can, we use the browser extension API to store data
// it's async though, so we synchronize changes from an intermediate
// storageData object
const useStorage = typeof chrome !== 'undefined' && typeof chrome.storage !== 'undefined'

let storageData = null

function init () {
  return new Promise((resolve) => {
    if (useStorage) {
      chrome.storage.local.get(null, result => {
        storageData = result
        resolve()
      })
    } else {
      storageData = {}
      resolve()
    }
  })
}

function get (key, defaultValue = null) {
  checkStorage()
  if (useStorage) {
    return getDefaultValue(storageData[key], defaultValue)
  } else {
    try {
      return getDefaultValue(JSON.parse(localStorage.getItem(key)), defaultValue)
    } catch (e) {}
  }
}

function set (key, val) {
  checkStorage()
  if (useStorage) {
    storageData[key] = val
    chrome.storage.local.set({ [key]: val })
  } else {
    try {
      localStorage.setItem(key, JSON.stringify(val))
    } catch (e) {}
  }
}

function remove (key) {
  checkStorage()
  if (useStorage) {
    delete storageData[key]
    chrome.storage.local.remove([key])
  } else {
    try {
      localStorage.removeItem(key)
    } catch (e) {}
  }
}

function clear () {
  checkStorage()
  if (useStorage) {
    storageData = {}
    chrome.storage.local.clear()
  } else {
    try {
      localStorage.clear()
    } catch (e) {}
  }
}

function checkStorage () {
  if (!storageData) {
    throw new Error(`Storage wasn't initialized with 'init()'`)
  }
}

function getDefaultValue (value, defaultValue) {
  if (value == null) {
    return defaultValue
  }
  return value
}


/***/ })

/******/ });