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{"version":3,"names":[],"mappings":"","sources":["reviewer-reviews-boxes.js"],"sourcesContent":["(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){\n// shim for using process in browser\n\nvar process = module.exports = {};\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n    draining = false;\n    if (currentQueue.length) {\n        queue = currentQueue.concat(queue);\n    } else {\n        queueIndex = -1;\n    }\n    if (queue.length) {\n        drainQueue();\n    }\n}\n\nfunction drainQueue() {\n    if (draining) {\n        return;\n    }\n    var timeout = setTimeout(cleanUpNextTick);\n    draining = true;\n\n    var len = queue.length;\n    while(len) {\n        currentQueue = queue;\n        queue = [];\n        while (++queueIndex < len) {\n            if (currentQueue) {\n                currentQueue[queueIndex].run();\n            }\n        }\n        queueIndex = -1;\n        len = queue.length;\n    }\n    currentQueue = null;\n    draining = false;\n    clearTimeout(timeout);\n}\n\nprocess.nextTick = function (fun) {\n    var args = new Array(arguments.length - 1);\n    if (arguments.length > 1) {\n        for (var i = 1; i < arguments.length; i++) {\n            args[i - 1] = arguments[i];\n        }\n    }\n    queue.push(new Item(fun, args));\n    if (queue.length === 1 && !draining) {\n        setTimeout(drainQueue, 0);\n    }\n};\n\n// v8 likes predictible objects\nfunction Item(fun, array) {\n    this.fun = fun;\n    this.array = array;\n}\nItem.prototype.run = function () {\n    this.fun.apply(null, this.array);\n};\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\nprocess.version = ''; // empty string to avoid regexp issues\nprocess.versions = {};\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\n\nprocess.binding = function (name) {\n    throw new Error('process.binding is not supported');\n};\n\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n    throw new Error('process.chdir is not supported');\n};\nprocess.umask = function() { return 0; };\n\n},{}],2:[function(require,module,exports){\n(function (process){\n/*!\n * Vue.js v1.0.15\n * (c) 2016 Evan You\n * Released under the MIT License.\n */\n'use strict';\n\nfunction set(obj, key, val) {\n  if (hasOwn(obj, key)) {\n    obj[key] = val;\n    return;\n  }\n  if (obj._isVue) {\n    set(obj._data, key, val);\n    return;\n  }\n  var ob = obj.__ob__;\n  if (!ob) {\n    obj[key] = val;\n    return;\n  }\n  ob.convert(key, val);\n  ob.dep.notify();\n  if (ob.vms) {\n    var i = ob.vms.length;\n    while (i--) {\n      var vm = ob.vms[i];\n      vm._proxy(key);\n      vm._digest();\n    }\n  }\n  return val;\n}\n\n/**\n * Delete a property and trigger change if necessary.\n *\n * @param {Object} obj\n * @param {String} key\n */\n\nfunction del(obj, key) {\n  if (!hasOwn(obj, key)) {\n    return;\n  }\n  delete obj[key];\n  var ob = obj.__ob__;\n  if (!ob) {\n    return;\n  }\n  ob.dep.notify();\n  if (ob.vms) {\n    var i = ob.vms.length;\n    while (i--) {\n      var vm = ob.vms[i];\n      vm._unproxy(key);\n      vm._digest();\n    }\n  }\n}\n\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\n/**\n * Check whether the object has the property.\n *\n * @param {Object} obj\n * @param {String} key\n * @return {Boolean}\n */\n\nfunction hasOwn(obj, key) {\n  return hasOwnProperty.call(obj, key);\n}\n\n/**\n * Check if an expression is a literal value.\n *\n * @param {String} exp\n * @return {Boolean}\n */\n\nvar literalValueRE = /^\\s?(true|false|[\\d\\.]+|'[^']*'|\"[^\"]*\")\\s?$/;\n\nfunction isLiteral(exp) {\n  return literalValueRE.test(exp);\n}\n\n/**\n * Check if a string starts with $ or _\n *\n * @param {String} str\n * @return {Boolean}\n */\n\nfunction isReserved(str) {\n  var c = (str + '').charCodeAt(0);\n  return c === 0x24 || c === 0x5F;\n}\n\n/**\n * Guard text output, make sure undefined outputs\n * empty string\n *\n * @param {*} value\n * @return {String}\n */\n\nfunction _toString(value) {\n  return value == null ? 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JSON.stringify(a) === JSON.stringify(b) : false);\n  /* eslint-enable eqeqeq */\n}\n\nvar hasProto = ('__proto__' in {});\n\n// Browser environment sniffing\nvar inBrowser = typeof window !== 'undefined' && Object.prototype.toString.call(window) !== '[object Object]';\n\nvar isIE9 = inBrowser && navigator.userAgent.toLowerCase().indexOf('msie 9.0') > 0;\n\nvar isAndroid = inBrowser && navigator.userAgent.toLowerCase().indexOf('android') > 0;\n\nvar transitionProp = undefined;\nvar transitionEndEvent = undefined;\nvar animationProp = undefined;\nvar animationEndEvent = undefined;\n\n// Transition property/event sniffing\nif (inBrowser && !isIE9) {\n  var isWebkitTrans = window.ontransitionend === undefined && window.onwebkittransitionend !== undefined;\n  var isWebkitAnim = window.onanimationend === undefined && window.onwebkitanimationend !== undefined;\n  transitionProp = isWebkitTrans ? 'WebkitTransition' : 'transition';\n  transitionEndEvent = isWebkitTrans ? 'webkitTransitionEnd' : 'transitionend';\n  animationProp = isWebkitAnim ? 'WebkitAnimation' : 'animation';\n  animationEndEvent = isWebkitAnim ? 'webkitAnimationEnd' : 'animationend';\n}\n\n/**\n * Defer a task to execute it asynchronously. Ideally this\n * should be executed as a microtask, so we leverage\n * MutationObserver if it's available, and fallback to\n * setTimeout(0).\n *\n * @param {Function} cb\n * @param {Object} ctx\n */\n\nvar nextTick = (function () {\n  var callbacks = [];\n  var pending = false;\n  var timerFunc;\n  function nextTickHandler() {\n    pending = false;\n    var copies = callbacks.slice(0);\n    callbacks = [];\n    for (var i = 0; i < copies.length; i++) {\n      copies[i]();\n    }\n  }\n  /* istanbul ignore if */\n  if (typeof MutationObserver !== 'undefined') {\n    var counter = 1;\n    var observer = new MutationObserver(nextTickHandler);\n    var textNode = document.createTextNode(counter);\n    observer.observe(textNode, {\n      characterData: true\n    });\n    timerFunc = function () {\n      counter = (counter + 1) % 2;\n      textNode.data = counter;\n    };\n  } else {\n    timerFunc = setTimeout;\n  }\n  return function (cb, ctx) {\n    var func = ctx ? function () {\n      cb.call(ctx);\n    } : cb;\n    callbacks.push(func);\n    if (pending) return;\n    pending = true;\n    timerFunc(nextTickHandler, 0);\n  };\n})();\n\nfunction Cache(limit) {\n  this.size = 0;\n  this.limit = limit;\n  this.head = this.tail = undefined;\n  this._keymap = Object.create(null);\n}\n\nvar p = Cache.prototype;\n\n/**\n * Put <value> into the cache associated with <key>.\n * Returns the entry which was removed to make room for\n * the new entry. Otherwise undefined is returned.\n * (i.e. if there was enough room already).\n *\n * @param {String} key\n * @param {*} value\n * @return {Entry|undefined}\n */\n\np.put = function (key, value) {\n  var removed;\n  if (this.size === this.limit) {\n    removed = this.shift();\n  }\n\n  var entry = this.get(key, true);\n  if (!entry) {\n    entry = {\n      key: key\n    };\n    this._keymap[key] = entry;\n    if (this.tail) {\n      this.tail.newer = entry;\n      entry.older = this.tail;\n    } else {\n      this.head = entry;\n    }\n    this.tail = entry;\n    this.size++;\n  }\n  entry.value = value;\n\n  return removed;\n};\n\n/**\n * Purge the least recently used (oldest) entry from the\n * cache. Returns the removed entry or undefined if the\n * cache was empty.\n */\n\np.shift = function () {\n  var entry = this.head;\n  if (entry) {\n    this.head = this.head.newer;\n    this.head.older = undefined;\n    entry.newer = entry.older = undefined;\n    this._keymap[entry.key] = undefined;\n    this.size--;\n  }\n  return entry;\n};\n\n/**\n * Get and register recent use of <key>. Returns the value\n * associated with <key> or undefined if not in cache.\n *\n * @param {String} key\n * @param {Boolean} returnEntry\n * @return {Entry|*}\n */\n\np.get = function (key, returnEntry) {\n  var entry = this._keymap[key];\n  if (entry === undefined) return;\n  if (entry === this.tail) {\n    return returnEntry ? entry : entry.value;\n  }\n  // HEAD--------------TAIL\n  //   <.older   .newer>\n  //  <--- add direction --\n  //   A  B  C  <D>  E\n  if (entry.newer) {\n    if (entry === this.head) {\n      this.head = entry.newer;\n    }\n    entry.newer.older = entry.older; // C <-- E.\n  }\n  if (entry.older) {\n    entry.older.newer = entry.newer; // C. --> E\n  }\n  entry.newer = undefined; // D --x\n  entry.older = this.tail; // D. --> E\n  if (this.tail) {\n    this.tail.newer = entry; // E. <-- D\n  }\n  this.tail = entry;\n  return returnEntry ? entry : entry.value;\n};\n\nvar cache$1 = new Cache(1000);\nvar filterTokenRE = /[^\\s'\"]+|'[^']*'|\"[^\"]*\"/g;\nvar reservedArgRE = /^in$|^-?\\d+/;\n\n/**\n * Parser state\n */\n\nvar str;\nvar dir;\nvar c;\nvar prev;\nvar i;\nvar l;\nvar lastFilterIndex;\nvar inSingle;\nvar inDouble;\nvar curly;\nvar square;\nvar paren;\n/**\n * Push a filter to the current directive object\n */\n\nfunction pushFilter() {\n  var exp = str.slice(lastFilterIndex, i).trim();\n  var filter;\n  if (exp) {\n    filter = {};\n    var tokens = exp.match(filterTokenRE);\n    filter.name = tokens[0];\n    if (tokens.length > 1) {\n      filter.args = tokens.slice(1).map(processFilterArg);\n    }\n  }\n  if (filter) {\n    (dir.filters = dir.filters || []).push(filter);\n  }\n  lastFilterIndex = i + 1;\n}\n\n/**\n * Check if an argument is dynamic and strip quotes.\n *\n * @param {String} arg\n * @return {Object}\n */\n\nfunction processFilterArg(arg) {\n  if (reservedArgRE.test(arg)) {\n    return {\n      value: toNumber(arg),\n      dynamic: false\n    };\n  } else {\n    var stripped = stripQuotes(arg);\n    var dynamic = stripped === arg;\n    return {\n      value: dynamic ? arg : stripped,\n      dynamic: dynamic\n    };\n  }\n}\n\n/**\n * Parse a directive value and extract the expression\n * and its filters into a descriptor.\n *\n * Example:\n *\n * \"a + 1 | uppercase\" will yield:\n * {\n *   expression: 'a + 1',\n *   filters: [\n *     { name: 'uppercase', args: null }\n *   ]\n * }\n *\n * @param {String} str\n * @return {Object}\n */\n\nfunction parseDirective(s) {\n\n  var hit = cache$1.get(s);\n  if (hit) {\n    return hit;\n  }\n\n  // reset parser state\n  str = s;\n  inSingle = inDouble = false;\n  curly = square = paren = 0;\n  lastFilterIndex = 0;\n  dir = {};\n\n  for (i = 0, l = str.length; i < l; i++) {\n    prev = c;\n    c = str.charCodeAt(i);\n    if (inSingle) {\n      // check single quote\n      if (c === 0x27 && prev !== 0x5C) inSingle = !inSingle;\n    } else if (inDouble) {\n      // check double quote\n      if (c === 0x22 && prev !== 0x5C) inDouble = !inDouble;\n    } else if (c === 0x7C && // pipe\n    str.charCodeAt(i + 1) !== 0x7C && str.charCodeAt(i - 1) !== 0x7C) {\n      if (dir.expression == null) {\n        // first filter, end of expression\n        lastFilterIndex = i + 1;\n        dir.expression = str.slice(0, i).trim();\n      } else {\n        // already has filter\n        pushFilter();\n      }\n    } else {\n      switch (c) {\n        case 0x22:\n          inDouble = true;break; // \"\n        case 0x27:\n          inSingle = true;break; // '\n        case 0x28:\n          paren++;break; // (\n        case 0x29:\n          paren--;break; // )\n        case 0x5B:\n          square++;break; // [\n        case 0x5D:\n          square--;break; // ]\n        case 0x7B:\n          curly++;break; // {\n        case 0x7D:\n          curly--;break; // }\n      }\n    }\n  }\n\n  if (dir.expression == null) {\n    dir.expression = str.slice(0, i).trim();\n  } else if (lastFilterIndex !== 0) {\n    pushFilter();\n  }\n\n  cache$1.put(s, dir);\n  return dir;\n}\n\nvar directive = Object.freeze({\n  parseDirective: parseDirective\n});\n\nvar regexEscapeRE = /[-.*+?^${}()|[\\]\\/\\\\]/g;\nvar cache = undefined;\nvar tagRE = undefined;\nvar htmlRE = undefined;\n/**\n * Escape a string so it can be used in a RegExp\n * constructor.\n *\n * @param {String} str\n */\n\nfunction escapeRegex(str) {\n  return str.replace(regexEscapeRE, '\\\\$&');\n}\n\nfunction compileRegex() {\n  var open = escapeRegex(config.delimiters[0]);\n  var close = escapeRegex(config.delimiters[1]);\n  var unsafeOpen = escapeRegex(config.unsafeDelimiters[0]);\n  var unsafeClose = escapeRegex(config.unsafeDelimiters[1]);\n  tagRE = new RegExp(unsafeOpen + '(.+?)' + unsafeClose + '|' + open + '(.+?)' + close, 'g');\n  htmlRE = new RegExp('^' + unsafeOpen + '.*' + unsafeClose + '$');\n  // reset cache\n  cache = new Cache(1000);\n}\n\n/**\n * Parse a template text string into an array of tokens.\n *\n * @param {String} text\n * @return {Array<Object> | null}\n *               - {String} type\n *               - {String} value\n *               - {Boolean} [html]\n *               - {Boolean} [oneTime]\n */\n\nfunction parseText(text) {\n  if (!cache) {\n    compileRegex();\n  }\n  var hit = cache.get(text);\n  if (hit) {\n    return hit;\n  }\n  text = text.replace(/\\n/g, '');\n  if (!tagRE.test(text)) {\n    return null;\n  }\n  var tokens = [];\n  var lastIndex = tagRE.lastIndex = 0;\n  var match, index, html, value, first, oneTime;\n  /* eslint-disable no-cond-assign */\n  while (match = tagRE.exec(text)) {\n    /* eslint-enable no-cond-assign */\n    index = match.index;\n    // push text token\n    if (index > lastIndex) {\n      tokens.push({\n        value: text.slice(lastIndex, index)\n      });\n    }\n    // tag token\n    html = htmlRE.test(match[0]);\n    value = html ? match[1] : match[2];\n    first = value.charCodeAt(0);\n    oneTime = first === 42; // *\n    value = oneTime ? value.slice(1) : value;\n    tokens.push({\n      tag: true,\n      value: value.trim(),\n      html: html,\n      oneTime: oneTime\n    });\n    lastIndex = index + match[0].length;\n  }\n  if (lastIndex < text.length) {\n    tokens.push({\n      value: text.slice(lastIndex)\n    });\n  }\n  cache.put(text, tokens);\n  return tokens;\n}\n\n/**\n * Format a list of tokens into an expression.\n * e.g. tokens parsed from 'a {{b}} c' can be serialized\n * into one single expression as '\"a \" + b + \" c\"'.\n *\n * @param {Array} tokens\n * @param {Vue} [vm]\n * @return {String}\n */\n\nfunction tokensToExp(tokens, vm) {\n  if (tokens.length > 1) {\n    return tokens.map(function (token) {\n      return formatToken(token, vm);\n    }).join('+');\n  } else {\n    return formatToken(tokens[0], vm, true);\n  }\n}\n\n/**\n * Format a single token.\n *\n * @param {Object} token\n * @param {Vue} [vm]\n * @param {Boolean} [single]\n * @return {String}\n */\n\nfunction formatToken(token, vm, single) {\n  return token.tag ? token.oneTime && vm ? '\"' + vm.$eval(token.value) + '\"' : inlineFilters(token.value, single) : '\"' + token.value + '\"';\n}\n\n/**\n * For an attribute with multiple interpolation tags,\n * e.g. attr=\"some-{{thing | filter}}\", in order to combine\n * the whole thing into a single watchable expression, we\n * have to inline those filters. This function does exactly\n * that. This is a bit hacky but it avoids heavy changes\n * to directive parser and watcher mechanism.\n *\n * @param {String} exp\n * @param {Boolean} single\n * @return {String}\n */\n\nvar filterRE$1 = /[^|]\\|[^|]/;\nfunction inlineFilters(exp, single) {\n  if (!filterRE$1.test(exp)) {\n    return single ? exp : '(' + exp + ')';\n  } else {\n    var dir = parseDirective(exp);\n    if (!dir.filters) {\n      return '(' + exp + ')';\n    } else {\n      return 'this._applyFilters(' + dir.expression + // value\n      ',null,' + // oldValue (null for read)\n      JSON.stringify(dir.filters) + // filter descriptors\n      ',false)'; // write?\n    }\n  }\n}\n\nvar text$1 = Object.freeze({\n  compileRegex: compileRegex,\n  parseText: parseText,\n  tokensToExp: tokensToExp\n});\n\nvar delimiters = ['{{', '}}'];\nvar unsafeDelimiters = ['{{{', '}}}'];\n\nvar config = Object.defineProperties({\n\n  /**\n   * Whether to print debug messages.\n   * Also enables stack trace for warnings.\n   *\n   * @type {Boolean}\n   */\n\n  debug: false,\n\n  /**\n   * Whether to suppress warnings.\n   *\n   * @type {Boolean}\n   */\n\n  silent: false,\n\n  /**\n   * Whether to use async rendering.\n   */\n\n  async: true,\n\n  /**\n   * Whether to warn against errors caught when evaluating\n   * expressions.\n   */\n\n  warnExpressionErrors: true,\n\n  /**\n   * Whether or not to handle fully object properties which\n   * are already backed by getters and seters. Depending on\n   * use case and environment, this might introduce non-neglible\n   * performance penalties.\n   */\n  convertAllProperties: false,\n\n  /**\n   * Internal flag to indicate the delimiters have been\n   * changed.\n   *\n   * @type {Boolean}\n   */\n\n  _delimitersChanged: true,\n\n  /**\n   * List of asset types that a component can own.\n   *\n   * @type {Array}\n   */\n\n  _assetTypes: ['component', 'directive', 'elementDirective', 'filter', 'transition', 'partial'],\n\n  /**\n   * prop binding modes\n   */\n\n  _propBindingModes: {\n    ONE_WAY: 0,\n    TWO_WAY: 1,\n    ONE_TIME: 2\n  },\n\n  /**\n   * Max circular updates allowed in a batcher flush cycle.\n   */\n\n  _maxUpdateCount: 100\n\n}, {\n  delimiters: { /**\n                 * Interpolation delimiters. Changing these would trigger\n                 * the text parser to re-compile the regular expressions.\n                 *\n                 * @type {Array<String>}\n                 */\n\n    get: function get() {\n      return delimiters;\n    },\n    set: function set(val) {\n      delimiters = val;\n      compileRegex();\n    },\n    configurable: true,\n    enumerable: true\n  },\n  unsafeDelimiters: {\n    get: function get() {\n      return unsafeDelimiters;\n    },\n    set: function set(val) {\n      unsafeDelimiters = val;\n      compileRegex();\n    },\n    configurable: true,\n    enumerable: true\n  }\n});\n\nvar warn = undefined;\n\nif (process.env.NODE_ENV !== 'production') {\n  (function () {\n    var hasConsole = typeof console !== 'undefined';\n    warn = function (msg, e) {\n      if (hasConsole && (!config.silent || config.debug)) {\n        console.warn('[Vue warn]: ' + msg);\n        /* istanbul ignore if */\n        if (config.debug) {\n          if (e) {\n            throw e;\n          } else {\n            console.warn(new Error('Warning Stack Trace').stack);\n          }\n        }\n      }\n    };\n  })();\n}\n\n/**\n * Append with transition.\n *\n * @param {Element} el\n * @param {Element} target\n * @param {Vue} vm\n * @param {Function} [cb]\n */\n\nfunction appendWithTransition(el, target, vm, cb) {\n  applyTransition(el, 1, function () {\n    target.appendChild(el);\n  }, vm, cb);\n}\n\n/**\n * InsertBefore with transition.\n *\n * @param {Element} el\n * @param {Element} target\n * @param {Vue} vm\n * @param {Function} [cb]\n */\n\nfunction beforeWithTransition(el, target, vm, cb) {\n  applyTransition(el, 1, function () {\n    before(el, target);\n  }, vm, cb);\n}\n\n/**\n * Remove with transition.\n *\n * @param {Element} el\n * @param {Vue} vm\n * @param {Function} [cb]\n */\n\nfunction removeWithTransition(el, vm, cb) {\n  applyTransition(el, -1, function () {\n    remove(el);\n  }, vm, cb);\n}\n\n/**\n * Apply transitions with an operation callback.\n *\n * @param {Element} el\n * @param {Number} direction\n *                  1: enter\n *                 -1: leave\n * @param {Function} op - the actual DOM operation\n * @param {Vue} vm\n * @param {Function} [cb]\n */\n\nfunction applyTransition(el, direction, op, vm, cb) {\n  var transition = el.__v_trans;\n  if (!transition ||\n  // skip if there are no js hooks and CSS transition is\n  // not supported\n  !transition.hooks && !transitionEndEvent ||\n  // skip transitions for initial compile\n  !vm._isCompiled ||\n  // if the vm is being manipulated by a parent directive\n  // during the parent's compilation phase, skip the\n  // animation.\n  vm.$parent && !vm.$parent._isCompiled) {\n    op();\n    if (cb) cb();\n    return;\n  }\n  var action = direction > 0 ? 'enter' : 'leave';\n  transition[action](op, cb);\n}\n\n/**\n * Query an element selector if it's not an element already.\n *\n * @param {String|Element} el\n * @return {Element}\n */\n\nfunction query(el) {\n  if (typeof el === 'string') {\n    var selector = el;\n    el = document.querySelector(el);\n    if (!el) {\n      process.env.NODE_ENV !== 'production' && warn('Cannot find element: ' + selector);\n    }\n  }\n  return el;\n}\n\n/**\n * Check if a node is in the document.\n * Note: document.documentElement.contains should work here\n * but always returns false for comment nodes in phantomjs,\n * making unit tests difficult. This is fixed by doing the\n * contains() check on the node's parentNode instead of\n * the node itself.\n *\n * @param {Node} node\n * @return {Boolean}\n */\n\nfunction inDoc(node) {\n  var doc = document.documentElement;\n  var parent = node && node.parentNode;\n  return doc === node || doc === parent || !!(parent && parent.nodeType === 1 && doc.contains(parent));\n}\n\n/**\n * Get and remove an attribute from a node.\n *\n * @param {Node} node\n * @param {String} _attr\n */\n\nfunction getAttr(node, _attr) {\n  var val = node.getAttribute(_attr);\n  if (val !== null) {\n    node.removeAttribute(_attr);\n  }\n  return val;\n}\n\n/**\n * Get an attribute with colon or v-bind: prefix.\n *\n * @param {Node} node\n * @param {String} name\n * @return {String|null}\n */\n\nfunction getBindAttr(node, name) {\n  var val = getAttr(node, ':' + name);\n  if (val === null) {\n    val = getAttr(node, 'v-bind:' + name);\n  }\n  return val;\n}\n\n/**\n * Check the presence of a bind attribute.\n *\n * @param {Node} node\n * @param {String} name\n * @return {Boolean}\n */\n\nfunction hasBindAttr(node, name) {\n  return node.hasAttribute(name) || node.hasAttribute(':' + name) || node.hasAttribute('v-bind:' + name);\n}\n\n/**\n * Insert el before target\n *\n * @param {Element} el\n * @param {Element} target\n */\n\nfunction before(el, target) {\n  target.parentNode.insertBefore(el, target);\n}\n\n/**\n * Insert el after target\n *\n * @param {Element} el\n * @param {Element} target\n */\n\nfunction after(el, target) {\n  if (target.nextSibling) {\n    before(el, target.nextSibling);\n  } else {\n    target.parentNode.appendChild(el);\n  }\n}\n\n/**\n * Remove el from DOM\n *\n * @param {Element} el\n */\n\nfunction remove(el) {\n  el.parentNode.removeChild(el);\n}\n\n/**\n * Prepend el to target\n *\n * @param {Element} el\n * @param {Element} target\n */\n\nfunction prepend(el, target) {\n  if (target.firstChild) {\n    before(el, target.firstChild);\n  } else {\n    target.appendChild(el);\n  }\n}\n\n/**\n * Replace target with el\n *\n * @param {Element} target\n * @param {Element} el\n */\n\nfunction replace(target, el) {\n  var parent = target.parentNode;\n  if (parent) {\n    parent.replaceChild(el, target);\n  }\n}\n\n/**\n * Add event listener shorthand.\n *\n * @param {Element} el\n * @param {String} event\n * @param {Function} cb\n */\n\nfunction on$1(el, event, cb) {\n  el.addEventListener(event, cb);\n}\n\n/**\n * Remove event listener shorthand.\n *\n * @param {Element} el\n * @param {String} event\n * @param {Function} cb\n */\n\nfunction off(el, event, cb) {\n  el.removeEventListener(event, cb);\n}\n\n/**\n * In IE9, setAttribute('class') will result in empty class\n * if the element also has the :class attribute; However in\n * PhantomJS, setting `className` does not work on SVG elements...\n * So we have to do a conditional check here.\n *\n * @param {Element} el\n * @param {String} cls\n */\n\nfunction setClass(el, cls) {\n  /* istanbul ignore if */\n  if (isIE9 && !(el instanceof SVGElement)) {\n    el.className = cls;\n  } else {\n    el.setAttribute('class', cls);\n  }\n}\n\n/**\n * Add class with compatibility for IE & SVG\n *\n * @param {Element} el\n * @param {String} cls\n */\n\nfunction addClass(el, cls) {\n  if (el.classList) {\n    el.classList.add(cls);\n  } else {\n    var cur = ' ' + (el.getAttribute('class') || '') + ' ';\n    if (cur.indexOf(' ' + cls + ' ') < 0) {\n      setClass(el, (cur + cls).trim());\n    }\n  }\n}\n\n/**\n * Remove class with compatibility for IE & SVG\n *\n * @param {Element} el\n * @param {String} cls\n */\n\nfunction removeClass(el, cls) {\n  if (el.classList) {\n    el.classList.remove(cls);\n  } else {\n    var cur = ' ' + (el.getAttribute('class') || '') + ' ';\n    var tar = ' ' + cls + ' ';\n    while (cur.indexOf(tar) >= 0) {\n      cur = cur.replace(tar, ' ');\n    }\n    setClass(el, cur.trim());\n  }\n  if (!el.className) {\n    el.removeAttribute('class');\n  }\n}\n\n/**\n * Extract raw content inside an element into a temporary\n * container div\n *\n * @param {Element} el\n * @param {Boolean} asFragment\n * @return {Element}\n */\n\nfunction extractContent(el, asFragment) {\n  var child;\n  var rawContent;\n  /* istanbul ignore if */\n  if (isTemplate(el) && el.content instanceof DocumentFragment) {\n    el = el.content;\n  }\n  if (el.hasChildNodes()) {\n    trimNode(el);\n    rawContent = asFragment ? document.createDocumentFragment() : document.createElement('div');\n    /* eslint-disable no-cond-assign */\n    while (child = el.firstChild) {\n      /* eslint-enable no-cond-assign */\n      rawContent.appendChild(child);\n    }\n  }\n  return rawContent;\n}\n\n/**\n * Trim possible empty head/tail textNodes inside a parent.\n *\n * @param {Node} node\n */\n\nfunction trimNode(node) {\n  trim(node, node.firstChild);\n  trim(node, node.lastChild);\n}\n\nfunction trim(parent, node) {\n  if (node && node.nodeType === 3 && !node.data.trim()) {\n    parent.removeChild(node);\n  }\n}\n\n/**\n * Check if an element is a template tag.\n * Note if the template appears inside an SVG its tagName\n * will be in lowercase.\n *\n * @param {Element} el\n */\n\nfunction isTemplate(el) {\n  return el.tagName && el.tagName.toLowerCase() === 'template';\n}\n\n/**\n * Create an \"anchor\" for performing dom insertion/removals.\n * This is used in a number of scenarios:\n * - fragment instance\n * - v-html\n * - v-if\n * - v-for\n * - component\n *\n * @param {String} content\n * @param {Boolean} persist - IE trashes empty textNodes on\n *                            cloneNode(true), so in certain\n *                            cases the anchor needs to be\n *                            non-empty to be persisted in\n *                            templates.\n * @return {Comment|Text}\n */\n\nfunction createAnchor(content, persist) {\n  var anchor = config.debug ? document.createComment(content) : document.createTextNode(persist ? ' ' : '');\n  anchor.__vue_anchor = true;\n  return anchor;\n}\n\n/**\n * Find a component ref attribute that starts with $.\n *\n * @param {Element} node\n * @return {String|undefined}\n */\n\nvar refRE = /^v-ref:/;\n\nfunction findRef(node) {\n  if (node.hasAttributes()) {\n    var attrs = node.attributes;\n    for (var i = 0, l = attrs.length; i < l; i++) {\n      var name = attrs[i].name;\n      if (refRE.test(name)) {\n        return camelize(name.replace(refRE, ''));\n      }\n    }\n  }\n}\n\n/**\n * Map a function to a range of nodes .\n *\n * @param {Node} node\n * @param {Node} end\n * @param {Function} op\n */\n\nfunction mapNodeRange(node, end, op) {\n  var next;\n  while (node !== end) {\n    next = node.nextSibling;\n    op(node);\n    node = next;\n  }\n  op(end);\n}\n\n/**\n * Remove a range of nodes with transition, store\n * the nodes in a fragment with correct ordering,\n * and call callback when done.\n *\n * @param {Node} start\n * @param {Node} end\n * @param {Vue} vm\n * @param {DocumentFragment} frag\n * @param {Function} cb\n */\n\nfunction removeNodeRange(start, end, vm, frag, cb) {\n  var done = false;\n  var removed = 0;\n  var nodes = [];\n  mapNodeRange(start, end, function (node) {\n    if (node === end) done = true;\n    nodes.push(node);\n    removeWithTransition(node, vm, onRemoved);\n  });\n  function onRemoved() {\n    removed++;\n    if (done && removed >= nodes.length) {\n      for (var i = 0; i < nodes.length; i++) {\n        frag.appendChild(nodes[i]);\n      }\n      cb && cb();\n    }\n  }\n}\n\nvar commonTagRE = /^(div|p|span|img|a|b|i|br|ul|ol|li|h1|h2|h3|h4|h5|h6|code|pre|table|th|td|tr|form|label|input|select|option|nav|article|section|header|footer)$/;\nvar reservedTagRE = /^(slot|partial|component)$/;\n\n/**\n * Check if an element is a component, if yes return its\n * component id.\n *\n * @param {Element} el\n * @param {Object} options\n * @return {Object|undefined}\n */\n\nfunction checkComponentAttr(el, options) {\n  var tag = el.tagName.toLowerCase();\n  var hasAttrs = el.hasAttributes();\n  if (!commonTagRE.test(tag) && !reservedTagRE.test(tag)) {\n    if (resolveAsset(options, 'components', tag)) {\n      return { id: tag };\n    } else {\n      var is = hasAttrs && getIsBinding(el);\n      if (is) {\n        return is;\n      } else if (process.env.NODE_ENV !== 'production') {\n        if (tag.indexOf('-') > -1 || /HTMLUnknownElement/.test(el.toString()) &&\n        // Chrome returns unknown for several HTML5 elements.\n        // https://code.google.com/p/chromium/issues/detail?id=540526\n        !/^(data|time|rtc|rb)$/.test(tag)) {\n          warn('Unknown custom element: <' + tag + '> - did you ' + 'register the component correctly?');\n        }\n      }\n    }\n  } else if (hasAttrs) {\n    return getIsBinding(el);\n  }\n}\n\n/**\n * Get \"is\" binding from an element.\n *\n * @param {Element} el\n * @return {Object|undefined}\n */\n\nfunction getIsBinding(el) {\n  // dynamic syntax\n  var exp = getAttr(el, 'is');\n  if (exp != null) {\n    return { id: exp };\n  } else {\n    exp = getBindAttr(el, 'is');\n    if (exp != null) {\n      return { id: exp, dynamic: true };\n    }\n  }\n}\n\n/**\n * Set a prop's initial value on a vm and its data object.\n *\n * @param {Vue} vm\n * @param {Object} prop\n * @param {*} value\n */\n\nfunction initProp(vm, prop, value) {\n  var key = prop.path;\n  value = coerceProp(prop, value);\n  vm[key] = vm._data[key] = assertProp(prop, value) ? value : undefined;\n}\n\n/**\n * Assert whether a prop is valid.\n *\n * @param {Object} prop\n * @param {*} value\n */\n\nfunction assertProp(prop, value) {\n  // if a prop is not provided and is not required,\n  // skip the check.\n  if (prop.raw === null && !prop.required) {\n    return true;\n  }\n  var options = prop.options;\n  var type = options.type;\n  var valid = true;\n  var expectedType;\n  if (type) {\n    if (type === String) {\n      expectedType = 'string';\n      valid = typeof value === expectedType;\n    } else if (type === Number) {\n      expectedType = 'number';\n      valid = typeof value === 'number';\n    } else if (type === Boolean) {\n      expectedType = 'boolean';\n      valid = typeof value === 'boolean';\n    } else if (type === Function) {\n      expectedType = 'function';\n      valid = typeof value === 'function';\n    } else if (type === Object) {\n      expectedType = 'object';\n      valid = isPlainObject(value);\n    } else if (type === Array) {\n      expectedType = 'array';\n      valid = isArray(value);\n    } else {\n      valid = value instanceof type;\n    }\n  }\n  if (!valid) {\n    process.env.NODE_ENV !== 'production' && warn('Invalid prop: type check failed for ' + prop.path + '=\"' + prop.raw + '\".' + ' Expected ' + formatType(expectedType) + ', got ' + formatValue(value) + '.');\n    return false;\n  }\n  var validator = options.validator;\n  if (validator) {\n    if (!validator.call(null, value)) {\n      process.env.NODE_ENV !== 'production' && warn('Invalid prop: custom validator check failed for ' + prop.path + '=\"' + prop.raw + '\"');\n      return false;\n    }\n  }\n  return true;\n}\n\n/**\n * Force parsing value with coerce option.\n *\n * @param {*} value\n * @param {Object} options\n * @return {*}\n */\n\nfunction coerceProp(prop, value) {\n  var coerce = prop.options.coerce;\n  if (!coerce) {\n    return value;\n  }\n  // coerce is a function\n  return coerce(value);\n}\n\nfunction formatType(val) {\n  return val ? val.charAt(0).toUpperCase() + val.slice(1) : 'custom type';\n}\n\nfunction formatValue(val) {\n  return Object.prototype.toString.call(val).slice(8, -1);\n}\n\n/**\n * Option overwriting strategies are functions that handle\n * how to merge a parent option value and a child option\n * value into the final value.\n *\n * All strategy functions follow the same signature:\n *\n * @param {*} parentVal\n * @param {*} childVal\n * @param {Vue} [vm]\n */\n\nvar strats = config.optionMergeStrategies = Object.create(null);\n\n/**\n * Helper that recursively merges two data objects together.\n */\n\nfunction mergeData(to, from) {\n  var key, toVal, fromVal;\n  for (key in from) {\n    toVal = to[key];\n    fromVal = from[key];\n    if (!hasOwn(to, key)) {\n      set(to, key, fromVal);\n    } else if (isObject(toVal) && isObject(fromVal)) {\n      mergeData(toVal, fromVal);\n    }\n  }\n  return to;\n}\n\n/**\n * Data\n */\n\nstrats.data = function (parentVal, childVal, vm) {\n  if (!vm) {\n    // in a Vue.extend merge, both should be functions\n    if (!childVal) {\n      return parentVal;\n    }\n    if (typeof childVal !== 'function') {\n      process.env.NODE_ENV !== 'production' && warn('The \"data\" option should be a function ' + 'that returns a per-instance value in component ' + 'definitions.');\n      return parentVal;\n    }\n    if (!parentVal) {\n      return childVal;\n    }\n    // when parentVal & childVal are both present,\n    // we need to return a function that returns the\n    // merged result of both functions... no need to\n    // check if parentVal is a function here because\n    // it has to be a function to pass previous merges.\n    return function mergedDataFn() {\n      return mergeData(childVal.call(this), parentVal.call(this));\n    };\n  } else if (parentVal || childVal) {\n    return function mergedInstanceDataFn() {\n      // instance merge\n      var instanceData = typeof childVal === 'function' ? childVal.call(vm) : childVal;\n      var defaultData = typeof parentVal === 'function' ? parentVal.call(vm) : undefined;\n      if (instanceData) {\n        return mergeData(instanceData, defaultData);\n      } else {\n        return defaultData;\n      }\n    };\n  }\n};\n\n/**\n * El\n */\n\nstrats.el = function (parentVal, childVal, vm) {\n  if (!vm && childVal && typeof childVal !== 'function') {\n    process.env.NODE_ENV !== 'production' && warn('The \"el\" option should be a function ' + 'that returns a per-instance value in component ' + 'definitions.');\n    return;\n  }\n  var ret = childVal || parentVal;\n  // invoke the element factory if this is instance merge\n  return vm && typeof ret === 'function' ? ret.call(vm) : ret;\n};\n\n/**\n * Hooks and param attributes are merged as arrays.\n */\n\nstrats.init = strats.created = strats.ready = strats.attached = strats.detached = strats.beforeCompile = strats.compiled = strats.beforeDestroy = strats.destroyed = function (parentVal, childVal) {\n  return childVal ? parentVal ? parentVal.concat(childVal) : isArray(childVal) ? childVal : [childVal] : parentVal;\n};\n\n/**\n * 0.11 deprecation warning\n */\n\nstrats.paramAttributes = function () {\n  /* istanbul ignore next */\n  process.env.NODE_ENV !== 'production' && warn('\"paramAttributes\" option has been deprecated in 0.12. ' + 'Use \"props\" instead.');\n};\n\n/**\n * Assets\n *\n * When a vm is present (instance creation), we need to do\n * a three-way merge between constructor options, instance\n * options and parent options.\n */\n\nfunction mergeAssets(parentVal, childVal) {\n  var res = Object.create(parentVal);\n  return childVal ? extend(res, guardArrayAssets(childVal)) : res;\n}\n\nconfig._assetTypes.forEach(function (type) {\n  strats[type + 's'] = mergeAssets;\n});\n\n/**\n * Events & Watchers.\n *\n * Events & watchers hashes should not overwrite one\n * another, so we merge them as arrays.\n */\n\nstrats.watch = strats.events = function (parentVal, childVal) {\n  if (!childVal) return parentVal;\n  if (!parentVal) return childVal;\n  var ret = {};\n  extend(ret, parentVal);\n  for (var key in childVal) {\n    var parent = ret[key];\n    var child = childVal[key];\n    if (parent && !isArray(parent)) {\n      parent = [parent];\n    }\n    ret[key] = parent ? parent.concat(child) : [child];\n  }\n  return ret;\n};\n\n/**\n * Other object hashes.\n */\n\nstrats.props = strats.methods = strats.computed = function (parentVal, childVal) {\n  if (!childVal) return parentVal;\n  if (!parentVal) return childVal;\n  var ret = Object.create(null);\n  extend(ret, parentVal);\n  extend(ret, childVal);\n  return ret;\n};\n\n/**\n * Default strategy.\n */\n\nvar defaultStrat = function defaultStrat(parentVal, childVal) {\n  return childVal === undefined ? parentVal : childVal;\n};\n\n/**\n * Make sure component options get converted to actual\n * constructors.\n *\n * @param {Object} options\n */\n\nfunction guardComponents(options) {\n  if (options.components) {\n    var components = options.components = guardArrayAssets(options.components);\n    var def;\n    var ids = Object.keys(components);\n    for (var i = 0, l = ids.length; i < l; i++) {\n      var key = ids[i];\n      if (commonTagRE.test(key) || reservedTagRE.test(key)) {\n        process.env.NODE_ENV !== 'production' && warn('Do not use built-in or reserved HTML elements as component ' + 'id: ' + key);\n        continue;\n      }\n      def = components[key];\n      if (isPlainObject(def)) {\n        components[key] = Vue.extend(def);\n      }\n    }\n  }\n}\n\n/**\n * Ensure all props option syntax are normalized into the\n * Object-based format.\n *\n * @param {Object} options\n */\n\nfunction guardProps(options) {\n  var props = options.props;\n  var i, val;\n  if (isArray(props)) {\n    options.props = {};\n    i = props.length;\n    while (i--) {\n      val = props[i];\n      if (typeof val === 'string') {\n        options.props[val] = null;\n      } else if (val.name) {\n        options.props[val.name] = val;\n      }\n    }\n  } else if (isPlainObject(props)) {\n    var keys = Object.keys(props);\n    i = keys.length;\n    while (i--) {\n      val = props[keys[i]];\n      if (typeof val === 'function') {\n        props[keys[i]] = { type: val };\n      }\n    }\n  }\n}\n\n/**\n * Guard an Array-format assets option and converted it\n * into the key-value Object format.\n *\n * @param {Object|Array} assets\n * @return {Object}\n */\n\nfunction guardArrayAssets(assets) {\n  if (isArray(assets)) {\n    var res = {};\n    var i = assets.length;\n    var asset;\n    while (i--) {\n      asset = assets[i];\n      var id = typeof asset === 'function' ? asset.options && asset.options.name || asset.id : asset.name || asset.id;\n      if (!id) {\n        process.env.NODE_ENV !== 'production' && warn('Array-syntax assets must provide a \"name\" or \"id\" field.');\n      } else {\n        res[id] = asset;\n      }\n    }\n    return res;\n  }\n  return assets;\n}\n\n/**\n * Merge two option objects into a new one.\n * Core utility used in both instantiation and inheritance.\n *\n * @param {Object} parent\n * @param {Object} child\n * @param {Vue} [vm] - if vm is present, indicates this is\n *                     an instantiation merge.\n */\n\nfunction mergeOptions(parent, child, vm) {\n  guardComponents(child);\n  guardProps(child);\n  var options = {};\n  var key;\n  if (child.mixins) {\n    for (var i = 0, l = child.mixins.length; i < l; i++) {\n      parent = mergeOptions(parent, child.mixins[i], vm);\n    }\n  }\n  for (key in parent) {\n    mergeField(key);\n  }\n  for (key in child) {\n    if (!hasOwn(parent, key)) {\n      mergeField(key);\n    }\n  }\n  function mergeField(key) {\n    var strat = strats[key] || defaultStrat;\n    options[key] = strat(parent[key], child[key], vm, key);\n  }\n  return options;\n}\n\n/**\n * Resolve an asset.\n * This function is used because child instances need access\n * to assets defined in its ancestor chain.\n *\n * @param {Object} options\n * @param {String} type\n * @param {String} id\n * @return {Object|Function}\n */\n\nfunction resolveAsset(options, type, id) {\n  var assets = options[type];\n  var camelizedId;\n  return assets[id] ||\n  // camelCase ID\n  assets[camelizedId = camelize(id)] ||\n  // Pascal Case ID\n  assets[camelizedId.charAt(0).toUpperCase() + camelizedId.slice(1)];\n}\n\n/**\n * Assert asset exists\n */\n\nfunction assertAsset(val, type, id) {\n  if (!val) {\n    process.env.NODE_ENV !== 'production' && warn('Failed to resolve ' + type + ': ' + id);\n  }\n}\n\nvar arrayProto = Array.prototype;\nvar arrayMethods = Object.create(arrayProto)\n\n/**\n * Intercept mutating methods and emit events\n */\n\n;['push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'].forEach(function (method) {\n  // cache original method\n  var original = arrayProto[method];\n  def(arrayMethods, method, function mutator() {\n    // avoid leaking arguments:\n    // http://jsperf.com/closure-with-arguments\n    var i = arguments.length;\n    var args = new Array(i);\n    while (i--) {\n      args[i] = arguments[i];\n    }\n    var result = original.apply(this, args);\n    var ob = this.__ob__;\n    var inserted;\n    switch (method) {\n      case 'push':\n        inserted = args;\n        break;\n      case 'unshift':\n        inserted = args;\n        break;\n      case 'splice':\n        inserted = args.slice(2);\n        break;\n    }\n    if (inserted) ob.observeArray(inserted);\n    // notify change\n    ob.dep.notify();\n    return result;\n  });\n});\n\n/**\n * Swap the element at the given index with a new value\n * and emits corresponding event.\n *\n * @param {Number} index\n * @param {*} val\n * @return {*} - replaced element\n */\n\ndef(arrayProto, '$set', function $set(index, val) {\n  if (index >= this.length) {\n    this.length = Number(index) + 1;\n  }\n  return this.splice(index, 1, val)[0];\n});\n\n/**\n * Convenience method to remove the element at given index.\n *\n * @param {Number} index\n * @param {*} val\n */\n\ndef(arrayProto, '$remove', function $remove(item) {\n  /* istanbul ignore if */\n  if (!this.length) return;\n  var index = indexOf(this, item);\n  if (index > -1) {\n    return this.splice(index, 1);\n  }\n});\n\nvar uid$3 = 0;\n\n/**\n * A dep is an observable that can have multiple\n * directives subscribing to it.\n *\n * @constructor\n */\nfunction Dep() {\n  this.id = uid$3++;\n  this.subs = [];\n}\n\n// the current target watcher being evaluated.\n// this is globally unique because there could be only one\n// watcher being evaluated at any time.\nDep.target = null;\n\n/**\n * Add a directive subscriber.\n *\n * @param {Directive} sub\n */\n\nDep.prototype.addSub = function (sub) {\n  this.subs.push(sub);\n};\n\n/**\n * Remove a directive subscriber.\n *\n * @param {Directive} sub\n */\n\nDep.prototype.removeSub = function (sub) {\n  this.subs.$remove(sub);\n};\n\n/**\n * Add self as a dependency to the target watcher.\n */\n\nDep.prototype.depend = function () {\n  Dep.target.addDep(this);\n};\n\n/**\n * Notify all subscribers of a new value.\n */\n\nDep.prototype.notify = function () {\n  // stablize the subscriber list first\n  var subs = toArray(this.subs);\n  for (var i = 0, l = subs.length; i < l; i++) {\n    subs[i].update();\n  }\n};\n\nvar arrayKeys = Object.getOwnPropertyNames(arrayMethods);\n\n/**\n * Observer class that are attached to each observed\n * object. Once attached, the observer converts target\n * object's property keys into getter/setters that\n * collect dependencies and dispatches updates.\n *\n * @param {Array|Object} value\n * @constructor\n */\n\nfunction Observer(value) {\n  this.value = value;\n  this.dep = new Dep();\n  def(value, '__ob__', this);\n  if (isArray(value)) {\n    var augment = hasProto ? protoAugment : copyAugment;\n    augment(value, arrayMethods, arrayKeys);\n    this.observeArray(value);\n  } else {\n    this.walk(value);\n  }\n}\n\n// Instance methods\n\n/**\n * Walk through each property and convert them into\n * getter/setters. This method should only be called when\n * value type is Object.\n *\n * @param {Object} obj\n */\n\nObserver.prototype.walk = function (obj) {\n  var keys = Object.keys(obj);\n  for (var i = 0, l = keys.length; i < l; i++) {\n    this.convert(keys[i], obj[keys[i]]);\n  }\n};\n\n/**\n * Observe a list of Array items.\n *\n * @param {Array} items\n */\n\nObserver.prototype.observeArray = function (items) {\n  for (var i = 0, l = items.length; i < l; i++) {\n    observe(items[i]);\n  }\n};\n\n/**\n * Convert a property into getter/setter so we can emit\n * the events when the property is accessed/changed.\n *\n * @param {String} key\n * @param {*} val\n */\n\nObserver.prototype.convert = function (key, val) {\n  defineReactive(this.value, key, val);\n};\n\n/**\n * Add an owner vm, so that when $set/$delete mutations\n * happen we can notify owner vms to proxy the keys and\n * digest the watchers. This is only called when the object\n * is observed as an instance's root $data.\n *\n * @param {Vue} vm\n */\n\nObserver.prototype.addVm = function (vm) {\n  (this.vms || (this.vms = [])).push(vm);\n};\n\n/**\n * Remove an owner vm. This is called when the object is\n * swapped out as an instance's $data object.\n *\n * @param {Vue} vm\n */\n\nObserver.prototype.removeVm = function (vm) {\n  this.vms.$remove(vm);\n};\n\n// helpers\n\n/**\n * Augment an target Object or Array by intercepting\n * the prototype chain using __proto__\n *\n * @param {Object|Array} target\n * @param {Object} proto\n */\n\nfunction protoAugment(target, src) {\n  target.__proto__ = src;\n}\n\n/**\n * Augment an target Object or Array by defining\n * hidden properties.\n *\n * @param {Object|Array} target\n * @param {Object} proto\n */\n\nfunction copyAugment(target, src, keys) {\n  for (var i = 0, l = keys.length; i < l; i++) {\n    var key = keys[i];\n    def(target, key, src[key]);\n  }\n}\n\n/**\n * Attempt to create an observer instance for a value,\n * returns the new observer if successfully observed,\n * or the existing observer if the value already has one.\n *\n * @param {*} value\n * @param {Vue} [vm]\n * @return {Observer|undefined}\n * @static\n */\n\nfunction observe(value, vm) {\n  if (!value || typeof value !== 'object') {\n    return;\n  }\n  var ob;\n  if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {\n    ob = value.__ob__;\n  } else if ((isArray(value) || isPlainObject(value)) && Object.isExtensible(value) && !value._isVue) {\n    ob = new Observer(value);\n  }\n  if (ob && vm) {\n    ob.addVm(vm);\n  }\n  return ob;\n}\n\n/**\n * Define a reactive property on an Object.\n *\n * @param {Object} obj\n * @param {String} key\n * @param {*} val\n */\n\nfunction defineReactive(obj, key, val) {\n  var dep = new Dep();\n\n  // cater for pre-defined getter/setters\n  var getter, setter;\n  if (config.convertAllProperties) {\n    var property = Object.getOwnPropertyDescriptor(obj, key);\n    if (property && property.configurable === false) {\n      return;\n    }\n    getter = property && property.get;\n    setter = property && property.set;\n  }\n\n  var childOb = observe(val);\n  Object.defineProperty(obj, key, {\n    enumerable: true,\n    configurable: true,\n    get: function reactiveGetter() {\n      var value = getter ? getter.call(obj) : val;\n      if (Dep.target) {\n        dep.depend();\n        if (childOb) {\n          childOb.dep.depend();\n        }\n        if (isArray(value)) {\n          for (var e, i = 0, l = value.length; i < l; i++) {\n            e = value[i];\n            e && e.__ob__ && e.__ob__.dep.depend();\n          }\n        }\n      }\n      return value;\n    },\n    set: function reactiveSetter(newVal) {\n      var value = getter ? getter.call(obj) : val;\n      if (newVal === value) {\n        return;\n      }\n      if (setter) {\n        setter.call(obj, newVal);\n      } else {\n        val = newVal;\n      }\n      childOb = observe(newVal);\n      dep.notify();\n    }\n  });\n}\n\nvar util = Object.freeze({\n\tdefineReactive: defineReactive,\n\tset: set,\n\tdel: del,\n\thasOwn: hasOwn,\n\tisLiteral: isLiteral,\n\tisReserved: isReserved,\n\t_toString: _toString,\n\ttoNumber: toNumber,\n\ttoBoolean: toBoolean,\n\tstripQuotes: stripQuotes,\n\tcamelize: camelize,\n\thyphenate: hyphenate,\n\tclassify: classify,\n\tbind: bind$1,\n\ttoArray: toArray,\n\textend: extend,\n\tisObject: isObject,\n\tisPlainObject: isPlainObject,\n\tdef: def,\n\tdebounce: _debounce,\n\tindexOf: indexOf,\n\tcancellable: cancellable,\n\tlooseEqual: looseEqual,\n\tisArray: isArray,\n\thasProto: hasProto,\n\tinBrowser: inBrowser,\n\tisIE9: isIE9,\n\tisAndroid: isAndroid,\n\tget transitionProp () { return transitionProp; },\n\tget transitionEndEvent () { return transitionEndEvent; },\n\tget animationProp () { return animationProp; },\n\tget animationEndEvent () { return animationEndEvent; },\n\tnextTick: nextTick,\n\tquery: query,\n\tinDoc: inDoc,\n\tgetAttr: getAttr,\n\tgetBindAttr: getBindAttr,\n\thasBindAttr: hasBindAttr,\n\tbefore: before,\n\tafter: after,\n\tremove: remove,\n\tprepend: prepend,\n\treplace: replace,\n\ton: on$1,\n\toff: off,\n\tsetClass: setClass,\n\taddClass: addClass,\n\tremoveClass: removeClass,\n\textractContent: extractContent,\n\ttrimNode: trimNode,\n\tisTemplate: isTemplate,\n\tcreateAnchor: createAnchor,\n\tfindRef: findRef,\n\tmapNodeRange: mapNodeRange,\n\tremoveNodeRange: removeNodeRange,\n\tmergeOptions: mergeOptions,\n\tresolveAsset: resolveAsset,\n\tassertAsset: assertAsset,\n\tcheckComponentAttr: checkComponentAttr,\n\tinitProp: initProp,\n\tassertProp: assertProp,\n\tcoerceProp: coerceProp,\n\tcommonTagRE: commonTagRE,\n\treservedTagRE: reservedTagRE,\n\tget warn () { return warn; }\n});\n\nvar uid = 0;\n\nfunction initMixin (Vue) {\n\n  /**\n   * The main init sequence. This is called for every\n   * instance, including ones that are created from extended\n   * constructors.\n   *\n   * @param {Object} options - this options object should be\n   *                           the result of merging class\n   *                           options and the options passed\n   *                           in to the constructor.\n   */\n\n  Vue.prototype._init = function (options) {\n\n    options = options || {};\n\n    this.$el = null;\n    this.$parent = options.parent;\n    this.$root = this.$parent ? this.$parent.$root : this;\n    this.$children = [];\n    this.$refs = {}; // child vm references\n    this.$els = {}; // element references\n    this._watchers = []; // all watchers as an array\n    this._directives = []; // all directives\n\n    // a uid\n    this._uid = uid++;\n\n    // a flag to avoid this being observed\n    this._isVue = true;\n\n    // events bookkeeping\n    this._events = {}; // registered callbacks\n    this._eventsCount = {}; // for $broadcast optimization\n\n    // fragment instance properties\n    this._isFragment = false;\n    this._fragment = // @type {DocumentFragment}\n    this._fragmentStart = // @type {Text|Comment}\n    this._fragmentEnd = null; // @type {Text|Comment}\n\n    // lifecycle state\n    this._isCompiled = this._isDestroyed = this._isReady = this._isAttached = this._isBeingDestroyed = false;\n    this._unlinkFn = null;\n\n    // context:\n    // if this is a transcluded component, context\n    // will be the common parent vm of this instance\n    // and its host.\n    this._context = options._context || this.$parent;\n\n    // scope:\n    // if this is inside an inline v-for, the scope\n    // will be the intermediate scope created for this\n    // repeat fragment. this is used for linking props\n    // and container directives.\n    this._scope = options._scope;\n\n    // fragment:\n    // if this instance is compiled inside a Fragment, it\n    // needs to reigster itself as a child of that fragment\n    // for attach/detach to work properly.\n    this._frag = options._frag;\n    if (this._frag) {\n      this._frag.children.push(this);\n    }\n\n    // push self into parent / transclusion host\n    if (this.$parent) {\n      this.$parent.$children.push(this);\n    }\n\n    // merge options.\n    options = this.$options = mergeOptions(this.constructor.options, options, this);\n\n    // set ref\n    this._updateRef();\n\n    // initialize data as empty object.\n    // it will be filled up in _initScope().\n    this._data = {};\n\n    // call init hook\n    this._callHook('init');\n\n    // initialize data observation and scope inheritance.\n    this._initState();\n\n    // setup event system and option events.\n    this._initEvents();\n\n    // call created hook\n    this._callHook('created');\n\n    // if `el` option is passed, start compilation.\n    if (options.el) {\n      this.$mount(options.el);\n    }\n  };\n}\n\nvar pathCache = new Cache(1000);\n\n// actions\nvar APPEND = 0;\nvar PUSH = 1;\nvar INC_SUB_PATH_DEPTH = 2;\nvar PUSH_SUB_PATH = 3;\n\n// states\nvar BEFORE_PATH = 0;\nvar IN_PATH = 1;\nvar BEFORE_IDENT = 2;\nvar IN_IDENT = 3;\nvar IN_SUB_PATH = 4;\nvar IN_SINGLE_QUOTE = 5;\nvar IN_DOUBLE_QUOTE = 6;\nvar AFTER_PATH = 7;\nvar ERROR = 8;\n\nvar pathStateMachine = [];\n\npathStateMachine[BEFORE_PATH] = {\n  'ws': [BEFORE_PATH],\n  'ident': [IN_IDENT, APPEND],\n  '[': [IN_SUB_PATH],\n  'eof': [AFTER_PATH]\n};\n\npathStateMachine[IN_PATH] = {\n  'ws': [IN_PATH],\n  '.': [BEFORE_IDENT],\n  '[': [IN_SUB_PATH],\n  'eof': [AFTER_PATH]\n};\n\npathStateMachine[BEFORE_IDENT] = {\n  'ws': [BEFORE_IDENT],\n  'ident': [IN_IDENT, APPEND]\n};\n\npathStateMachine[IN_IDENT] = {\n  'ident': [IN_IDENT, APPEND],\n  '0': [IN_IDENT, APPEND],\n  'number': [IN_IDENT, APPEND],\n  'ws': [IN_PATH, PUSH],\n  '.': [BEFORE_IDENT, PUSH],\n  '[': [IN_SUB_PATH, PUSH],\n  'eof': [AFTER_PATH, PUSH]\n};\n\npathStateMachine[IN_SUB_PATH] = {\n  \"'\": [IN_SINGLE_QUOTE, APPEND],\n  '\"': [IN_DOUBLE_QUOTE, APPEND],\n  '[': [IN_SUB_PATH, INC_SUB_PATH_DEPTH],\n  ']': [IN_PATH, PUSH_SUB_PATH],\n  'eof': ERROR,\n  'else': [IN_SUB_PATH, APPEND]\n};\n\npathStateMachine[IN_SINGLE_QUOTE] = {\n  \"'\": [IN_SUB_PATH, APPEND],\n  'eof': ERROR,\n  'else': [IN_SINGLE_QUOTE, APPEND]\n};\n\npathStateMachine[IN_DOUBLE_QUOTE] = {\n  '\"': [IN_SUB_PATH, APPEND],\n  'eof': ERROR,\n  'else': [IN_DOUBLE_QUOTE, APPEND]\n};\n\n/**\n * Determine the type of a character in a keypath.\n *\n * @param {Char} ch\n * @return {String} type\n */\n\nfunction getPathCharType(ch) {\n  if (ch === undefined) {\n    return 'eof';\n  }\n\n  var code = ch.charCodeAt(0);\n\n  switch (code) {\n    case 0x5B: // [\n    case 0x5D: // ]\n    case 0x2E: // .\n    case 0x22: // \"\n    case 0x27: // '\n    case 0x30:\n      // 0\n      return ch;\n\n    case 0x5F: // _\n    case 0x24:\n      // $\n      return 'ident';\n\n    case 0x20: // Space\n    case 0x09: // Tab\n    case 0x0A: // Newline\n    case 0x0D: // Return\n    case 0xA0: // No-break space\n    case 0xFEFF: // Byte Order Mark\n    case 0x2028: // Line Separator\n    case 0x2029:\n      // Paragraph Separator\n      return 'ws';\n  }\n\n  // a-z, A-Z\n  if (code >= 0x61 && code <= 0x7A || code >= 0x41 && code <= 0x5A) {\n    return 'ident';\n  }\n\n  // 1-9\n  if (code >= 0x31 && code <= 0x39) {\n    return 'number';\n  }\n\n  return 'else';\n}\n\n/**\n * Format a subPath, return its plain form if it is\n * a literal string or number. Otherwise prepend the\n * dynamic indicator (*).\n *\n * @param {String} path\n * @return {String}\n */\n\nfunction formatSubPath(path) {\n  var trimmed = path.trim();\n  // invalid leading 0\n  if (path.charAt(0) === '0' && isNaN(path)) {\n    return false;\n  }\n  return isLiteral(trimmed) ? stripQuotes(trimmed) : '*' + trimmed;\n}\n\n/**\n * Parse a string path into an array of segments\n *\n * @param {String} path\n * @return {Array|undefined}\n */\n\nfunction parse(path) {\n  var keys = [];\n  var index = -1;\n  var mode = BEFORE_PATH;\n  var subPathDepth = 0;\n  var c, newChar, key, type, transition, action, typeMap;\n\n  var actions = [];\n\n  actions[PUSH] = function () {\n    if (key !== undefined) {\n      keys.push(key);\n      key = undefined;\n    }\n  };\n\n  actions[APPEND] = function () {\n    if (key === undefined) {\n      key = newChar;\n    } else {\n      key += newChar;\n    }\n  };\n\n  actions[INC_SUB_PATH_DEPTH] = function () {\n    actions[APPEND]();\n    subPathDepth++;\n  };\n\n  actions[PUSH_SUB_PATH] = function () {\n    if (subPathDepth > 0) {\n      subPathDepth--;\n      mode = IN_SUB_PATH;\n      actions[APPEND]();\n    } else {\n      subPathDepth = 0;\n      key = formatSubPath(key);\n      if (key === false) {\n        return false;\n      } else {\n        actions[PUSH]();\n      }\n    }\n  };\n\n  function maybeUnescapeQuote() {\n    var nextChar = path[index + 1];\n    if (mode === IN_SINGLE_QUOTE && nextChar === \"'\" || mode === IN_DOUBLE_QUOTE && nextChar === '\"') {\n      index++;\n      newChar = '\\\\' + nextChar;\n      actions[APPEND]();\n      return true;\n    }\n  }\n\n  while (mode != null) {\n    index++;\n    c = path[index];\n\n    if (c === '\\\\' && maybeUnescapeQuote()) {\n      continue;\n    }\n\n    type = getPathCharType(c);\n    typeMap = pathStateMachine[mode];\n    transition = typeMap[type] || typeMap['else'] || ERROR;\n\n    if (transition === ERROR) {\n      return; // parse error\n    }\n\n    mode = transition[0];\n    action = actions[transition[1]];\n    if (action) {\n      newChar = transition[2];\n      newChar = newChar === undefined ? c : newChar;\n      if (action() === false) {\n        return;\n      }\n    }\n\n    if (mode === AFTER_PATH) {\n      keys.raw = path;\n      return keys;\n    }\n  }\n}\n\n/**\n * External parse that check for a cache hit first\n *\n * @param {String} path\n * @return {Array|undefined}\n */\n\nfunction parsePath(path) {\n  var hit = pathCache.get(path);\n  if (!hit) {\n    hit = parse(path);\n    if (hit) {\n      pathCache.put(path, hit);\n    }\n  }\n  return hit;\n}\n\n/**\n * Get from an object from a path string\n *\n * @param {Object} obj\n * @param {String} path\n */\n\nfunction getPath(obj, path) {\n  return parseExpression(path).get(obj);\n}\n\n/**\n * Warn against setting non-existent root path on a vm.\n */\n\nvar warnNonExistent;\nif (process.env.NODE_ENV !== 'production') {\n  warnNonExistent = function (path) {\n    warn('You are setting a non-existent path \"' + path.raw + '\" ' + 'on a vm instance. Consider pre-initializing the property ' + 'with the \"data\" option for more reliable reactivity ' + 'and better performance.');\n  };\n}\n\n/**\n * Set on an object from a path\n *\n * @param {Object} obj\n * @param {String | Array} path\n * @param {*} val\n */\n\nfunction setPath(obj, path, val) {\n  var original = obj;\n  if (typeof path === 'string') {\n    path = parse(path);\n  }\n  if (!path || !isObject(obj)) {\n    return false;\n  }\n  var last, key;\n  for (var i = 0, l = path.length; i < l; i++) {\n    last = obj;\n    key = path[i];\n    if (key.charAt(0) === '*') {\n      key = parseExpression(key.slice(1)).get.call(original, original);\n    }\n    if (i < l - 1) {\n      obj = obj[key];\n      if (!isObject(obj)) {\n        obj = {};\n        if (process.env.NODE_ENV !== 'production' && last._isVue) {\n          warnNonExistent(path);\n        }\n        set(last, key, obj);\n      }\n    } else {\n      if (isArray(obj)) {\n        obj.$set(key, val);\n      } else if (key in obj) {\n        obj[key] = val;\n      } else {\n        if (process.env.NODE_ENV !== 'production' && obj._isVue) {\n          warnNonExistent(path);\n        }\n        set(obj, key, val);\n      }\n    }\n  }\n  return true;\n}\n\nvar path = Object.freeze({\n  parsePath: parsePath,\n  getPath: getPath,\n  setPath: setPath\n});\n\nvar expressionCache = new Cache(1000);\n\nvar allowedKeywords = 'Math,Date,this,true,false,null,undefined,Infinity,NaN,' + 'isNaN,isFinite,decodeURI,decodeURIComponent,encodeURI,' + 'encodeURIComponent,parseInt,parseFloat';\nvar allowedKeywordsRE = new RegExp('^(' + allowedKeywords.replace(/,/g, '\\\\b|') + '\\\\b)');\n\n// keywords that don't make sense inside expressions\nvar improperKeywords = 'break,case,class,catch,const,continue,debugger,default,' + 'delete,do,else,export,extends,finally,for,function,if,' + 'import,in,instanceof,let,return,super,switch,throw,try,' + 'var,while,with,yield,enum,await,implements,package,' + 'proctected,static,interface,private,public';\nvar improperKeywordsRE = new RegExp('^(' + improperKeywords.replace(/,/g, '\\\\b|') + '\\\\b)');\n\nvar wsRE = /\\s/g;\nvar newlineRE = /\\n/g;\nvar saveRE = /[\\{,]\\s*[\\w\\$_]+\\s*:|('(?:[^'\\\\]|\\\\.)*'|\"(?:[^\"\\\\]|\\\\.)*\")|new |typeof |void /g;\nvar restoreRE = /\"(\\d+)\"/g;\nvar pathTestRE = /^[A-Za-z_$][\\w$]*(?:\\.[A-Za-z_$][\\w$]*|\\['.*?'\\]|\\[\".*?\"\\]|\\[\\d+\\]|\\[[A-Za-z_$][\\w$]*\\])*$/;\nvar identRE = /[^\\w$\\.](?:[A-Za-z_$][\\w$]*)/g;\nvar booleanLiteralRE = /^(?:true|false)$/;\n\n/**\n * Save / Rewrite / Restore\n *\n * When rewriting paths found in an expression, it is\n * possible for the same letter sequences to be found in\n * strings and Object literal property keys. Therefore we\n * remove and store these parts in a temporary array, and\n * restore them after the path rewrite.\n */\n\nvar saved = [];\n\n/**\n * Save replacer\n *\n * The save regex can match two possible cases:\n * 1. An opening object literal\n * 2. A string\n * If matched as a plain string, we need to escape its\n * newlines, since the string needs to be preserved when\n * generating the function body.\n *\n * @param {String} str\n * @param {String} isString - str if matched as a string\n * @return {String} - placeholder with index\n */\n\nfunction save(str, isString) {\n  var i = saved.length;\n  saved[i] = isString ? str.replace(newlineRE, '\\\\n') : str;\n  return '\"' + i + '\"';\n}\n\n/**\n * Path rewrite replacer\n *\n * @param {String} raw\n * @return {String}\n */\n\nfunction rewrite(raw) {\n  var c = raw.charAt(0);\n  var path = raw.slice(1);\n  if (allowedKeywordsRE.test(path)) {\n    return raw;\n  } else {\n    path = path.indexOf('\"') > -1 ? path.replace(restoreRE, restore) : path;\n    return c + 'scope.' + path;\n  }\n}\n\n/**\n * Restore replacer\n *\n * @param {String} str\n * @param {String} i - matched save index\n * @return {String}\n */\n\nfunction restore(str, i) {\n  return saved[i];\n}\n\n/**\n * Rewrite an expression, prefixing all path accessors with\n * `scope.` and generate getter/setter functions.\n *\n * @param {String} exp\n * @return {Function}\n */\n\nfunction compileGetter(exp) {\n  if (improperKeywordsRE.test(exp)) {\n    process.env.NODE_ENV !== 'production' && warn('Avoid using reserved keywords in expression: ' + exp);\n  }\n  // reset state\n  saved.length = 0;\n  // save strings and object literal keys\n  var body = exp.replace(saveRE, save).replace(wsRE, '');\n  // rewrite all paths\n  // pad 1 space here becaue the regex matches 1 extra char\n  body = (' ' + body).replace(identRE, rewrite).replace(restoreRE, restore);\n  return makeGetterFn(body);\n}\n\n/**\n * Build a getter function. Requires eval.\n *\n * We isolate the try/catch so it doesn't affect the\n * optimization of the parse function when it is not called.\n *\n * @param {String} body\n * @return {Function|undefined}\n */\n\nfunction makeGetterFn(body) {\n  try {\n    return new Function('scope', 'return ' + body + ';');\n  } catch (e) {\n    process.env.NODE_ENV !== 'production' && warn('Invalid expression. ' + 'Generated function body: ' + body);\n  }\n}\n\n/**\n * Compile a setter function for the expression.\n *\n * @param {String} exp\n * @return {Function|undefined}\n */\n\nfunction compileSetter(exp) {\n  var path = parsePath(exp);\n  if (path) {\n    return function (scope, val) {\n      setPath(scope, path, val);\n    };\n  } else {\n    process.env.NODE_ENV !== 'production' && warn('Invalid setter expression: ' + exp);\n  }\n}\n\n/**\n * Parse an expression into re-written getter/setters.\n *\n * @param {String} exp\n * @param {Boolean} needSet\n * @return {Function}\n */\n\nfunction parseExpression(exp, needSet) {\n  exp = exp.trim();\n  // try cache\n  var hit = expressionCache.get(exp);\n  if (hit) {\n    if (needSet && !hit.set) {\n      hit.set = compileSetter(hit.exp);\n    }\n    return hit;\n  }\n  var res = { exp: exp };\n  res.get = isSimplePath(exp) && exp.indexOf('[') < 0\n  // optimized super simple getter\n  ? makeGetterFn('scope.' + exp)\n  // dynamic getter\n  : compileGetter(exp);\n  if (needSet) {\n    res.set = compileSetter(exp);\n  }\n  expressionCache.put(exp, res);\n  return res;\n}\n\n/**\n * Check if an expression is a simple path.\n *\n * @param {String} exp\n * @return {Boolean}\n */\n\nfunction isSimplePath(exp) {\n  return pathTestRE.test(exp) &&\n  // don't treat true/false as paths\n  !booleanLiteralRE.test(exp) &&\n  // Math constants e.g. Math.PI, Math.E etc.\n  exp.slice(0, 5) !== 'Math.';\n}\n\nvar expression = Object.freeze({\n  parseExpression: parseExpression,\n  isSimplePath: isSimplePath\n});\n\n// we have two separate queues: one for directive updates\n// and one for user watcher registered via $watch().\n// we want to guarantee directive updates to be called\n// before user watchers so that when user watchers are\n// triggered, the DOM would have already been in updated\n// state.\nvar queue = [];\nvar userQueue = [];\nvar has = {};\nvar circular = {};\nvar waiting = false;\nvar internalQueueDepleted = false;\n\n/**\n * Reset the batcher's state.\n */\n\nfunction resetBatcherState() {\n  queue = [];\n  userQueue = [];\n  has = {};\n  circular = {};\n  waiting = internalQueueDepleted = false;\n}\n\n/**\n * Flush both queues and run the watchers.\n */\n\nfunction flushBatcherQueue() {\n  runBatcherQueue(queue);\n  internalQueueDepleted = true;\n  runBatcherQueue(userQueue);\n  // dev tool hook\n  /* istanbul ignore if */\n  if (process.env.NODE_ENV !== 'production') {\n    if (inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__) {\n      window.__VUE_DEVTOOLS_GLOBAL_HOOK__.emit('flush');\n    }\n  }\n  resetBatcherState();\n}\n\n/**\n * Run the watchers in a single queue.\n *\n * @param {Array} queue\n */\n\nfunction runBatcherQueue(queue) {\n  // do not cache length because more watchers might be pushed\n  // as we run existing watchers\n  for (var i = 0; i < queue.length; i++) {\n    var watcher = queue[i];\n    var id = watcher.id;\n    has[id] = null;\n    watcher.run();\n    // in dev build, check and stop circular updates.\n    if (process.env.NODE_ENV !== 'production' && has[id] != null) {\n      circular[id] = (circular[id] || 0) + 1;\n      if (circular[id] > config._maxUpdateCount) {\n        queue.splice(has[id], 1);\n        warn('You may have an infinite update loop for watcher ' + 'with expression: ' + watcher.expression);\n      }\n    }\n  }\n}\n\n/**\n * Push a watcher into the watcher queue.\n * Jobs with duplicate IDs will be skipped unless it's\n * pushed when the queue is being flushed.\n *\n * @param {Watcher} watcher\n *   properties:\n *   - {Number} id\n *   - {Function} run\n */\n\nfunction pushWatcher(watcher) {\n  var id = watcher.id;\n  if (has[id] == null) {\n    // if an internal watcher is pushed, but the internal\n    // queue is already depleted, we run it immediately.\n    if (internalQueueDepleted && !watcher.user) {\n      watcher.run();\n      return;\n    }\n    // push watcher into appropriate queue\n    var q = watcher.user ? userQueue : queue;\n    has[id] = q.length;\n    q.push(watcher);\n    // queue the flush\n    if (!waiting) {\n      waiting = true;\n      nextTick(flushBatcherQueue);\n    }\n  }\n}\n\nvar uid$2 = 0;\n\n/**\n * A watcher parses an expression, collects dependencies,\n * and fires callback when the expression value changes.\n * This is used for both the $watch() api and directives.\n *\n * @param {Vue} vm\n * @param {String} expression\n * @param {Function} cb\n * @param {Object} options\n *                 - {Array} filters\n *                 - {Boolean} twoWay\n *                 - {Boolean} deep\n *                 - {Boolean} user\n *                 - {Boolean} sync\n *                 - {Boolean} lazy\n *                 - {Function} [preProcess]\n *                 - {Function} [postProcess]\n * @constructor\n */\nfunction Watcher(vm, expOrFn, cb, options) {\n  // mix in options\n  if (options) {\n    extend(this, options);\n  }\n  var isFn = typeof expOrFn === 'function';\n  this.vm = vm;\n  vm._watchers.push(this);\n  this.expression = isFn ? expOrFn.toString() : expOrFn;\n  this.cb = cb;\n  this.id = ++uid$2; // uid for batching\n  this.active = true;\n  this.dirty = this.lazy; // for lazy watchers\n  this.deps = Object.create(null);\n  this.newDeps = null;\n  this.prevError = null; // for async error stacks\n  // parse expression for getter/setter\n  if (isFn) {\n    this.getter = expOrFn;\n    this.setter = undefined;\n  } else {\n    var res = parseExpression(expOrFn, this.twoWay);\n    this.getter = res.get;\n    this.setter = res.set;\n  }\n  this.value = this.lazy ? undefined : this.get();\n  // state for avoiding false triggers for deep and Array\n  // watchers during vm._digest()\n  this.queued = this.shallow = false;\n}\n\n/**\n * Add a dependency to this directive.\n *\n * @param {Dep} dep\n */\n\nWatcher.prototype.addDep = function (dep) {\n  var id = dep.id;\n  if (!this.newDeps[id]) {\n    this.newDeps[id] = dep;\n    if (!this.deps[id]) {\n      this.deps[id] = dep;\n      dep.addSub(this);\n    }\n  }\n};\n\n/**\n * Evaluate the getter, and re-collect dependencies.\n */\n\nWatcher.prototype.get = function () {\n  this.beforeGet();\n  var scope = this.scope || this.vm;\n  var value;\n  try {\n    value = this.getter.call(scope, scope);\n  } catch (e) {\n    if (process.env.NODE_ENV !== 'production' && config.warnExpressionErrors) {\n      warn('Error when evaluating expression \"' + this.expression + '\". ' + (config.debug ? '' : 'Turn on debug mode to see stack trace.'), e);\n    }\n  }\n  // \"touch\" every property so they are all tracked as\n  // dependencies for deep watching\n  if (this.deep) {\n    traverse(value);\n  }\n  if (this.preProcess) {\n    value = this.preProcess(value);\n  }\n  if (this.filters) {\n    value = scope._applyFilters(value, null, this.filters, false);\n  }\n  if (this.postProcess) {\n    value = this.postProcess(value);\n  }\n  this.afterGet();\n  return value;\n};\n\n/**\n * Set the corresponding value with the setter.\n *\n * @param {*} value\n */\n\nWatcher.prototype.set = function (value) {\n  var scope = this.scope || this.vm;\n  if (this.filters) {\n    value = scope._applyFilters(value, this.value, this.filters, true);\n  }\n  try {\n    this.setter.call(scope, scope, value);\n  } catch (e) {\n    if (process.env.NODE_ENV !== 'production' && config.warnExpressionErrors) {\n      warn('Error when evaluating setter \"' + this.expression + '\"', e);\n    }\n  }\n  // two-way sync for v-for alias\n  var forContext = scope.$forContext;\n  if (forContext && forContext.alias === this.expression) {\n    if (forContext.filters) {\n      process.env.NODE_ENV !== 'production' && warn('It seems you are using two-way binding on ' + 'a v-for alias (' + this.expression + '), and the ' + 'v-for has filters. This will not work properly. ' + 'Either remove the filters or use an array of ' + 'objects and bind to object properties instead.');\n      return;\n    }\n    forContext._withLock(function () {\n      if (scope.$key) {\n        // original is an object\n        forContext.rawValue[scope.$key] = value;\n      } else {\n        forContext.rawValue.$set(scope.$index, value);\n      }\n    });\n  }\n};\n\n/**\n * Prepare for dependency collection.\n */\n\nWatcher.prototype.beforeGet = function () {\n  Dep.target = this;\n  this.newDeps = Object.create(null);\n};\n\n/**\n * Clean up for dependency collection.\n */\n\nWatcher.prototype.afterGet = function () {\n  Dep.target = null;\n  var ids = Object.keys(this.deps);\n  var i = ids.length;\n  while (i--) {\n    var id = ids[i];\n    if (!this.newDeps[id]) {\n      this.deps[id].removeSub(this);\n    }\n  }\n  this.deps = this.newDeps;\n};\n\n/**\n * Subscriber interface.\n * Will be called when a dependency changes.\n *\n * @param {Boolean} shallow\n */\n\nWatcher.prototype.update = function (shallow) {\n  if (this.lazy) {\n    this.dirty = true;\n  } else if (this.sync || !config.async) {\n    this.run();\n  } else {\n    // if queued, only overwrite shallow with non-shallow,\n    // but not the other way around.\n    this.shallow = this.queued ? shallow ? this.shallow : false : !!shallow;\n    this.queued = true;\n    // record before-push error stack in debug mode\n    /* istanbul ignore if */\n    if (process.env.NODE_ENV !== 'production' && config.debug) {\n      this.prevError = new Error('[vue] async stack trace');\n    }\n    pushWatcher(this);\n  }\n};\n\n/**\n * Batcher job interface.\n * Will be called by the batcher.\n */\n\nWatcher.prototype.run = function () {\n  if (this.active) {\n    var value = this.get();\n    if (value !== this.value ||\n    // Deep watchers and watchers on Object/Arrays should fire even\n    // when the value is the same, because the value may\n    // have mutated; but only do so if this is a\n    // non-shallow update (caused by a vm digest).\n    (isObject(value) || this.deep) && !this.shallow) {\n      // set new value\n      var oldValue = this.value;\n      this.value = value;\n      // in debug + async mode, when a watcher callbacks\n      // throws, we also throw the saved before-push error\n      // so the full cross-tick stack trace is available.\n      var prevError = this.prevError;\n      /* istanbul ignore if */\n      if (process.env.NODE_ENV !== 'production' && config.debug && prevError) {\n        this.prevError = null;\n        try {\n          this.cb.call(this.vm, value, oldValue);\n        } catch (e) {\n          nextTick(function () {\n            throw prevError;\n          }, 0);\n          throw e;\n        }\n      } else {\n        this.cb.call(this.vm, value, oldValue);\n      }\n    }\n    this.queued = this.shallow = false;\n  }\n};\n\n/**\n * Evaluate the value of the watcher.\n * This only gets called for lazy watchers.\n */\n\nWatcher.prototype.evaluate = function () {\n  // avoid overwriting another watcher that is being\n  // collected.\n  var current = Dep.target;\n  this.value = this.get();\n  this.dirty = false;\n  Dep.target = current;\n};\n\n/**\n * Depend on all deps collected by this watcher.\n */\n\nWatcher.prototype.depend = function () {\n  var depIds = Object.keys(this.deps);\n  var i = depIds.length;\n  while (i--) {\n    this.deps[depIds[i]].depend();\n  }\n};\n\n/**\n * Remove self from all dependencies' subcriber list.\n */\n\nWatcher.prototype.teardown = function () {\n  if (this.active) {\n    // remove self from vm's watcher list\n    // we can skip this if the vm if being destroyed\n    // which can improve teardown performance.\n    if (!this.vm._isBeingDestroyed) {\n      this.vm._watchers.$remove(this);\n    }\n    var depIds = Object.keys(this.deps);\n    var i = depIds.length;\n    while (i--) {\n      this.deps[depIds[i]].removeSub(this);\n    }\n    this.active = false;\n    this.vm = this.cb = this.value = null;\n  }\n};\n\n/**\n * Recrusively traverse an object to evoke all converted\n * getters, so that every nested property inside the object\n * is collected as a \"deep\" dependency.\n *\n * @param {*} val\n */\n\nfunction traverse(val) {\n  var i, keys;\n  if (isArray(val)) {\n    i = val.length;\n    while (i--) traverse(val[i]);\n  } else if (isObject(val)) {\n    keys = Object.keys(val);\n    i = keys.length;\n    while (i--) traverse(val[keys[i]]);\n  }\n}\n\nvar cloak = {\n  bind: function bind() {\n    var el = this.el;\n    this.vm.$once('pre-hook:compiled', function () {\n      el.removeAttribute('v-cloak');\n    });\n  }\n};\n\nvar ref = {\n  bind: function bind() {\n    process.env.NODE_ENV !== 'production' && warn('v-ref:' + this.arg + ' must be used on a child ' + 'component. Found on <' + this.el.tagName.toLowerCase() + '>.');\n  }\n};\n\nvar ON = 700;\nvar MODEL = 800;\nvar BIND = 850;\nvar TRANSITION = 1100;\nvar EL = 1500;\nvar COMPONENT = 1500;\nvar PARTIAL = 1750;\nvar FOR = 2000;\nvar IF = 2000;\nvar SLOT = 2100;\n\nvar el = {\n\n  priority: EL,\n\n  bind: function bind() {\n    /* istanbul ignore if */\n    if (!this.arg) {\n      return;\n    }\n    var id = this.id = camelize(this.arg);\n    var refs = (this._scope || this.vm).$els;\n    if (hasOwn(refs, id)) {\n      refs[id] = this.el;\n    } else {\n      defineReactive(refs, id, this.el);\n    }\n  },\n\n  unbind: function unbind() {\n    var refs = (this._scope || this.vm).$els;\n    if (refs[this.id] === this.el) {\n      refs[this.id] = null;\n    }\n  }\n};\n\nvar prefixes = ['-webkit-', '-moz-', '-ms-'];\nvar camelPrefixes = ['Webkit', 'Moz', 'ms'];\nvar importantRE = /!important;?$/;\nvar propCache = Object.create(null);\n\nvar testEl = null;\n\nvar style = {\n\n  deep: true,\n\n  update: function update(value) {\n    if (typeof value === 'string') {\n      this.el.style.cssText = value;\n    } else if (isArray(value)) {\n      this.handleObject(value.reduce(extend, {}));\n    } else {\n      this.handleObject(value || {});\n    }\n  },\n\n  handleObject: function handleObject(value) {\n    // cache object styles so that only changed props\n    // are actually updated.\n    var cache = this.cache || (this.cache = {});\n    var name, val;\n    for (name in cache) {\n      if (!(name in value)) {\n        this.handleSingle(name, null);\n        delete cache[name];\n      }\n    }\n    for (name in value) {\n      val = value[name];\n      if (val !== cache[name]) {\n        cache[name] = val;\n        this.handleSingle(name, val);\n      }\n    }\n  },\n\n  handleSingle: function handleSingle(prop, value) {\n    prop = normalize(prop);\n    if (!prop) return; // unsupported prop\n    // cast possible numbers/booleans into strings\n    if (value != null) value += '';\n    if (value) {\n      var isImportant = importantRE.test(value) ? 'important' : '';\n      if (isImportant) {\n        value = value.replace(importantRE, '').trim();\n      }\n      this.el.style.setProperty(prop, value, isImportant);\n    } else {\n      this.el.style.removeProperty(prop);\n    }\n  }\n\n};\n\n/**\n * Normalize a CSS property name.\n * - cache result\n * - auto prefix\n * - camelCase -> dash-case\n *\n * @param {String} prop\n * @return {String}\n */\n\nfunction normalize(prop) {\n  if (propCache[prop]) {\n    return propCache[prop];\n  }\n  var res = prefix(prop);\n  propCache[prop] = propCache[res] = res;\n  return res;\n}\n\n/**\n * Auto detect the appropriate prefix for a CSS property.\n * https://gist.github.com/paulirish/523692\n *\n * @param {String} prop\n * @return {String}\n */\n\nfunction prefix(prop) {\n  prop = hyphenate(prop);\n  var camel = camelize(prop);\n  var upper = camel.charAt(0).toUpperCase() + camel.slice(1);\n  if (!testEl) {\n    testEl = document.createElement('div');\n  }\n  if (camel in testEl.style) {\n    return prop;\n  }\n  var i = prefixes.length;\n  var prefixed;\n  while (i--) {\n    prefixed = camelPrefixes[i] + upper;\n    if (prefixed in testEl.style) {\n      return prefixes[i] + prop;\n    }\n  }\n}\n\n// xlink\nvar xlinkNS = 'http://www.w3.org/1999/xlink';\nvar xlinkRE = /^xlink:/;\n\n// check for attributes that prohibit interpolations\nvar disallowedInterpAttrRE = /^v-|^:|^@|^(?:is|transition|transition-mode|debounce|track-by|stagger|enter-stagger|leave-stagger)$/;\n// these attributes should also set their corresponding properties\n// because they only affect the initial state of the element\nvar attrWithPropsRE = /^(?:value|checked|selected|muted)$/;\n\n// these attributes should set a hidden property for\n// binding v-model to object values\nvar modelProps = {\n  value: '_value',\n  'true-value': '_trueValue',\n  'false-value': '_falseValue'\n};\n\nvar bind = {\n\n  priority: BIND,\n\n  bind: function bind() {\n    var attr = this.arg;\n    var tag = this.el.tagName;\n    // should be deep watch on object mode\n    if (!attr) {\n      this.deep = true;\n    }\n    // handle interpolation bindings\n    var descriptor = this.descriptor;\n    var tokens = descriptor.interp;\n    if (tokens) {\n      // handle interpolations with one-time tokens\n      if (descriptor.hasOneTime) {\n        this.expression = tokensToExp(tokens, this._scope || this.vm);\n      }\n\n      // only allow binding on native attributes\n      if (disallowedInterpAttrRE.test(attr) || attr === 'name' && (tag === 'PARTIAL' || tag === 'SLOT')) {\n        process.env.NODE_ENV !== 'production' && warn(attr + '=\"' + descriptor.raw + '\": ' + 'attribute interpolation is not allowed in Vue.js ' + 'directives and special attributes.');\n        this.el.removeAttribute(attr);\n        this.invalid = true;\n      }\n\n      /* istanbul ignore if */\n      if (process.env.NODE_ENV !== 'production') {\n        var raw = attr + '=\"' + descriptor.raw + '\": ';\n        // warn src\n        if (attr === 'src') {\n          warn(raw + 'interpolation in \"src\" attribute will cause ' + 'a 404 request. Use v-bind:src instead.');\n        }\n\n        // warn style\n        if (attr === 'style') {\n          warn(raw + 'interpolation in \"style\" attribute will cause ' + 'the attribute to be discarded in Internet Explorer. ' + 'Use v-bind:style instead.');\n        }\n      }\n    }\n  },\n\n  update: function update(value) {\n    if (this.invalid) {\n      return;\n    }\n    var attr = this.arg;\n    if (this.arg) {\n      this.handleSingle(attr, value);\n    } else {\n      this.handleObject(value || {});\n    }\n  },\n\n  // share object handler with v-bind:class\n  handleObject: style.handleObject,\n\n  handleSingle: function handleSingle(attr, value) {\n    var el = this.el;\n    var interp = this.descriptor.interp;\n    if (!interp && attrWithPropsRE.test(attr) && attr in el) {\n      el[attr] = attr === 'value' ? value == null // IE9 will set input.value to \"null\" for null...\n      ? '' : value : value;\n    }\n    // set model props\n    var modelProp = modelProps[attr];\n    if (!interp && modelProp) {\n      el[modelProp] = value;\n      // update v-model if present\n      var model = el.__v_model;\n      if (model) {\n        model.listener();\n      }\n    }\n    // do not set value attribute for textarea\n    if (attr === 'value' && el.tagName === 'TEXTAREA') {\n      el.removeAttribute(attr);\n      return;\n    }\n    // update attribute\n    if (value != null && value !== false) {\n      if (attr === 'class') {\n        // handle edge case #1960:\n        // class interpolation should not overwrite Vue transition class\n        if (el.__v_trans) {\n          value += ' ' + el.__v_trans.id + '-transition';\n        }\n        setClass(el, value);\n      } else if (xlinkRE.test(attr)) {\n        el.setAttributeNS(xlinkNS, attr, value);\n      } else {\n        el.setAttribute(attr, value);\n      }\n    } else {\n      el.removeAttribute(attr);\n    }\n  }\n};\n\n// keyCode aliases\nvar keyCodes = {\n  esc: 27,\n  tab: 9,\n  enter: 13,\n  space: 32,\n  'delete': 46,\n  up: 38,\n  left: 37,\n  right: 39,\n  down: 40\n};\n\nfunction keyFilter(handler, keys) {\n  var codes = keys.map(function (key) {\n    var charCode = key.charCodeAt(0);\n    if (charCode > 47 && charCode < 58) {\n      return parseInt(key, 10);\n    }\n    if (key.length === 1) {\n      charCode = key.toUpperCase().charCodeAt(0);\n      if (charCode > 64 && charCode < 91) {\n        return charCode;\n      }\n    }\n    return keyCodes[key];\n  });\n  return function keyHandler(e) {\n    if (codes.indexOf(e.keyCode) > -1) {\n      return handler.call(this, e);\n    }\n  };\n}\n\nfunction stopFilter(handler) {\n  return function stopHandler(e) {\n    e.stopPropagation();\n    return handler.call(this, e);\n  };\n}\n\nfunction preventFilter(handler) {\n  return function preventHandler(e) {\n    e.preventDefault();\n    return handler.call(this, e);\n  };\n}\n\nvar on = {\n\n  acceptStatement: true,\n  priority: ON,\n\n  bind: function bind() {\n    // deal with iframes\n    if (this.el.tagName === 'IFRAME' && this.arg !== 'load') {\n      var self = this;\n      this.iframeBind = function () {\n        on$1(self.el.contentWindow, self.arg, self.handler);\n      };\n      this.on('load', this.iframeBind);\n    }\n  },\n\n  update: function update(handler) {\n    // stub a noop for v-on with no value,\n    // e.g. @mousedown.prevent\n    if (!this.descriptor.raw) {\n      handler = function () {};\n    }\n\n    if (typeof handler !== 'function') {\n      process.env.NODE_ENV !== 'production' && warn('v-on:' + this.arg + '=\"' + this.expression + '\" expects a function value, ' + 'got ' + handler);\n      return;\n    }\n\n    // apply modifiers\n    if (this.modifiers.stop) {\n      handler = stopFilter(handler);\n    }\n    if (this.modifiers.prevent) {\n      handler = preventFilter(handler);\n    }\n    // key filter\n    var keys = Object.keys(this.modifiers).filter(function (key) {\n      return key !== 'stop' && key !== 'prevent';\n    });\n    if (keys.length) {\n      handler = keyFilter(handler, keys);\n    }\n\n    this.reset();\n    this.handler = handler;\n\n    if (this.iframeBind) {\n      this.iframeBind();\n    } else {\n      on$1(this.el, this.arg, this.handler);\n    }\n  },\n\n  reset: function reset() {\n    var el = this.iframeBind ? this.el.contentWindow : this.el;\n    if (this.handler) {\n      off(el, this.arg, this.handler);\n    }\n  },\n\n  unbind: function unbind() {\n    this.reset();\n  }\n};\n\nvar checkbox = {\n\n  bind: function bind() {\n    var self = this;\n    var el = this.el;\n\n    this.getValue = function () {\n      return el.hasOwnProperty('_value') ? el._value : self.params.number ? toNumber(el.value) : el.value;\n    };\n\n    function getBooleanValue() {\n      var val = el.checked;\n      if (val && el.hasOwnProperty('_trueValue')) {\n        return el._trueValue;\n      }\n      if (!val && el.hasOwnProperty('_falseValue')) {\n        return el._falseValue;\n      }\n      return val;\n    }\n\n    this.listener = function () {\n      var model = self._watcher.value;\n      if (isArray(model)) {\n        var val = self.getValue();\n        if (el.checked) {\n          if (indexOf(model, val) < 0) {\n            model.push(val);\n          }\n        } else {\n          model.$remove(val);\n        }\n      } else {\n        self.set(getBooleanValue());\n      }\n    };\n\n    this.on('change', this.listener);\n    if (el.hasAttribute('checked')) {\n      this.afterBind = this.listener;\n    }\n  },\n\n  update: function update(value) {\n    var el = this.el;\n    if (isArray(value)) {\n      el.checked = indexOf(value, this.getValue()) > -1;\n    } else {\n      if (el.hasOwnProperty('_trueValue')) {\n        el.checked = looseEqual(value, el._trueValue);\n      } else {\n        el.checked = !!value;\n      }\n    }\n  }\n};\n\nvar select = {\n\n  bind: function bind() {\n    var self = this;\n    var el = this.el;\n\n    // method to force update DOM using latest value.\n    this.forceUpdate = function () {\n      if (self._watcher) {\n        self.update(self._watcher.get());\n      }\n    };\n\n    // check if this is a multiple select\n    var multiple = this.multiple = el.hasAttribute('multiple');\n\n    // attach listener\n    this.listener = function () {\n      var value = getValue(el, multiple);\n      value = self.params.number ? isArray(value) ? value.map(toNumber) : toNumber(value) : value;\n      self.set(value);\n    };\n    this.on('change', this.listener);\n\n    // if has initial value, set afterBind\n    var initValue = getValue(el, multiple, true);\n    if (multiple && initValue.length || !multiple && initValue !== null) {\n      this.afterBind = this.listener;\n    }\n\n    // All major browsers except Firefox resets\n    // selectedIndex with value -1 to 0 when the element\n    // is appended to a new parent, therefore we have to\n    // force a DOM update whenever that happens...\n    this.vm.$on('hook:attached', this.forceUpdate);\n  },\n\n  update: function update(value) {\n    var el = this.el;\n    el.selectedIndex = -1;\n    var multi = this.multiple && isArray(value);\n    var options = el.options;\n    var i = options.length;\n    var op, val;\n    while (i--) {\n      op = options[i];\n      val = op.hasOwnProperty('_value') ? op._value : op.value;\n      /* eslint-disable eqeqeq */\n      op.selected = multi ? indexOf$1(value, val) > -1 : looseEqual(value, val);\n      /* eslint-enable eqeqeq */\n    }\n  },\n\n  unbind: function unbind() {\n    /* istanbul ignore next */\n    this.vm.$off('hook:attached', this.forceUpdate);\n  }\n};\n\n/**\n * Get select value\n *\n * @param {SelectElement} el\n * @param {Boolean} multi\n * @param {Boolean} init\n * @return {Array|*}\n */\n\nfunction getValue(el, multi, init) {\n  var res = multi ? [] : null;\n  var op, val, selected;\n  for (var i = 0, l = el.options.length; i < l; i++) {\n    op = el.options[i];\n    selected = init ? op.hasAttribute('selected') : op.selected;\n    if (selected) {\n      val = op.hasOwnProperty('_value') ? op._value : op.value;\n      if (multi) {\n        res.push(val);\n      } else {\n        return val;\n      }\n    }\n  }\n  return res;\n}\n\n/**\n * Native Array.indexOf uses strict equal, but in this\n * case we need to match string/numbers with custom equal.\n *\n * @param {Array} arr\n * @param {*} val\n */\n\nfunction indexOf$1(arr, val) {\n  var i = arr.length;\n  while (i--) {\n    if (looseEqual(arr[i], val)) {\n      return i;\n    }\n  }\n  return -1;\n}\n\nvar radio = {\n\n  bind: function bind() {\n    var self = this;\n    var el = this.el;\n\n    this.getValue = function () {\n      // value overwrite via v-bind:value\n      if (el.hasOwnProperty('_value')) {\n        return el._value;\n      }\n      var val = el.value;\n      if (self.params.number) {\n        val = toNumber(val);\n      }\n      return val;\n    };\n\n    this.listener = function () {\n      self.set(self.getValue());\n    };\n    this.on('change', this.listener);\n\n    if (el.hasAttribute('checked')) {\n      this.afterBind = this.listener;\n    }\n  },\n\n  update: function update(value) {\n    this.el.checked = looseEqual(value, this.getValue());\n  }\n};\n\nvar text$2 = {\n\n  bind: function bind() {\n    var self = this;\n    var el = this.el;\n    var isRange = el.type === 'range';\n    var lazy = this.params.lazy;\n    var number = this.params.number;\n    var debounce = this.params.debounce;\n\n    // handle composition events.\n    //   http://blog.evanyou.me/2014/01/03/composition-event/\n    // skip this for Android because it handles composition\n    // events quite differently. Android doesn't trigger\n    // composition events for language input methods e.g.\n    // Chinese, but instead triggers them for spelling\n    // suggestions... (see Discussion/#162)\n    var composing = false;\n    if (!isAndroid && !isRange) {\n      this.on('compositionstart', function () {\n        composing = true;\n      });\n      this.on('compositionend', function () {\n        composing = false;\n        // in IE11 the \"compositionend\" event fires AFTER\n        // the \"input\" event, so the input handler is blocked\n        // at the end... have to call it here.\n        //\n        // #1327: in lazy mode this is unecessary.\n        if (!lazy) {\n          self.listener();\n        }\n      });\n    }\n\n    // prevent messing with the input when user is typing,\n    // and force update on blur.\n    this.focused = false;\n    if (!isRange && !lazy) {\n      this.on('focus', function () {\n        self.focused = true;\n      });\n      this.on('blur', function () {\n        self.focused = false;\n        // do not sync value after fragment removal (#2017)\n        if (!self._frag || self._frag.inserted) {\n          self.rawListener();\n        }\n      });\n    }\n\n    // Now attach the main listener\n    this.listener = this.rawListener = function () {\n      if (composing || !self._bound) {\n        return;\n      }\n      var val = number || isRange ? toNumber(el.value) : el.value;\n      self.set(val);\n      // force update on next tick to avoid lock & same value\n      // also only update when user is not typing\n      nextTick(function () {\n        if (self._bound && !self.focused) {\n          self.update(self._watcher.value);\n        }\n      });\n    };\n\n    // apply debounce\n    if (debounce) {\n      this.listener = _debounce(this.listener, debounce);\n    }\n\n    // Support jQuery events, since jQuery.trigger() doesn't\n    // trigger native events in some cases and some plugins\n    // rely on $.trigger()\n    //\n    // We want to make sure if a listener is attached using\n    // jQuery, it is also removed with jQuery, that's why\n    // we do the check for each directive instance and\n    // store that check result on itself. This also allows\n    // easier test coverage control by unsetting the global\n    // jQuery variable in tests.\n    this.hasjQuery = typeof jQuery === 'function';\n    if (this.hasjQuery) {\n      jQuery(el).on('change', this.listener);\n      if (!lazy) {\n        jQuery(el).on('input', this.listener);\n      }\n    } else {\n      this.on('change', this.listener);\n      if (!lazy) {\n        this.on('input', this.listener);\n      }\n    }\n\n    // IE9 doesn't fire input event on backspace/del/cut\n    if (!lazy && isIE9) {\n      this.on('cut', function () {\n        nextTick(self.listener);\n      });\n      this.on('keyup', function (e) {\n        if (e.keyCode === 46 || e.keyCode === 8) {\n          self.listener();\n        }\n      });\n    }\n\n    // set initial value if present\n    if (el.hasAttribute('value') || el.tagName === 'TEXTAREA' && el.value.trim()) {\n      this.afterBind = this.listener;\n    }\n  },\n\n  update: function update(value) {\n    this.el.value = _toString(value);\n  },\n\n  unbind: function unbind() {\n    var el = this.el;\n    if (this.hasjQuery) {\n      jQuery(el).off('change', this.listener);\n      jQuery(el).off('input', this.listener);\n    }\n  }\n};\n\nvar handlers = {\n  text: text$2,\n  radio: radio,\n  select: select,\n  checkbox: checkbox\n};\n\nvar model = {\n\n  priority: MODEL,\n  twoWay: true,\n  handlers: handlers,\n  params: ['lazy', 'number', 'debounce'],\n\n  /**\n   * Possible elements:\n   *   <select>\n   *   <textarea>\n   *   <input type=\"*\">\n   *     - text\n   *     - checkbox\n   *     - radio\n   *     - number\n   */\n\n  bind: function bind() {\n    // friendly warning...\n    this.checkFilters();\n    if (this.hasRead && !this.hasWrite) {\n      process.env.NODE_ENV !== 'production' && warn('It seems you are using a read-only filter with ' + 'v-model. You might want to use a two-way filter ' + 'to ensure correct behavior.');\n    }\n    var el = this.el;\n    var tag = el.tagName;\n    var handler;\n    if (tag === 'INPUT') {\n      handler = handlers[el.type] || handlers.text;\n    } else if (tag === 'SELECT') {\n      handler = handlers.select;\n    } else if (tag === 'TEXTAREA') {\n      handler = handlers.text;\n    } else {\n      process.env.NODE_ENV !== 'production' && warn('v-model does not support element type: ' + tag);\n      return;\n    }\n    el.__v_model = this;\n    handler.bind.call(this);\n    this.update = handler.update;\n    this._unbind = handler.unbind;\n  },\n\n  /**\n   * Check read/write filter stats.\n   */\n\n  checkFilters: function checkFilters() {\n    var filters = this.filters;\n    if (!filters) return;\n    var i = filters.length;\n    while (i--) {\n      var filter = resolveAsset(this.vm.$options, 'filters', filters[i].name);\n      if (typeof filter === 'function' || filter.read) {\n        this.hasRead = true;\n      }\n      if (filter.write) {\n        this.hasWrite = true;\n      }\n    }\n  },\n\n  unbind: function unbind() {\n    this.el.__v_model = null;\n    this._unbind && this._unbind();\n  }\n};\n\nvar show = {\n\n  bind: function bind() {\n    // check else block\n    var next = this.el.nextElementSibling;\n    if (next && getAttr(next, 'v-else') !== null) {\n      this.elseEl = next;\n    }\n  },\n\n  update: function update(value) {\n    this.apply(this.el, value);\n    if (this.elseEl) {\n      this.apply(this.elseEl, !value);\n    }\n  },\n\n  apply: function apply(el, value) {\n    if (inDoc(el)) {\n      applyTransition(el, value ? 1 : -1, toggle, this.vm);\n    } else {\n      toggle();\n    }\n    function toggle() {\n      el.style.display = value ? '' : 'none';\n    }\n  }\n};\n\nvar templateCache = new Cache(1000);\nvar idSelectorCache = new Cache(1000);\n\nvar map = {\n  efault: [0, '', ''],\n  legend: [1, '<fieldset>', '</fieldset>'],\n  tr: [2, '<table><tbody>', '</tbody></table>'],\n  col: [2, '<table><tbody></tbody><colgroup>', '</colgroup></table>']\n};\n\nmap.td = map.th = [3, '<table><tbody><tr>', '</tr></tbody></table>'];\n\nmap.option = map.optgroup = [1, '<select multiple=\"multiple\">', '</select>'];\n\nmap.thead = map.tbody = map.colgroup = map.caption = map.tfoot = [1, '<table>', '</table>'];\n\nmap.g = map.defs = map.symbol = map.use = map.image = map.text = map.circle = map.ellipse = map.line = map.path = map.polygon = map.polyline = map.rect = [1, '<svg ' + 'xmlns=\"http://www.w3.org/2000/svg\" ' + 'xmlns:xlink=\"http://www.w3.org/1999/xlink\" ' + 'xmlns:ev=\"http://www.w3.org/2001/xml-events\"' + 'version=\"1.1\">', '</svg>'];\n\n/**\n * Check if a node is a supported template node with a\n * DocumentFragment content.\n *\n * @param {Node} node\n * @return {Boolean}\n */\n\nfunction isRealTemplate(node) {\n  return isTemplate(node) && node.content instanceof DocumentFragment;\n}\n\nvar tagRE$1 = /<([\\w:]+)/;\nvar entityRE = /&#?\\w+?;/;\n\n/**\n * Convert a string template to a DocumentFragment.\n * Determines correct wrapping by tag types. Wrapping\n * strategy found in jQuery & component/domify.\n *\n * @param {String} templateString\n * @param {Boolean} raw\n * @return {DocumentFragment}\n */\n\nfunction stringToFragment(templateString, raw) {\n  // try a cache hit first\n  var hit = templateCache.get(templateString);\n  if (hit) {\n    return hit;\n  }\n\n  var frag = document.createDocumentFragment();\n  var tagMatch = templateString.match(tagRE$1);\n  var entityMatch = entityRE.test(templateString);\n\n  if (!tagMatch && !entityMatch) {\n    // text only, return a single text node.\n    frag.appendChild(document.createTextNode(templateString));\n  } else {\n\n    var tag = tagMatch && tagMatch[1];\n    var wrap = map[tag] || map.efault;\n    var depth = wrap[0];\n    var prefix = wrap[1];\n    var suffix = wrap[2];\n    var node = document.createElement('div');\n\n    var templateStringToUse = raw ? templateString : templateString.trim();\n    node.innerHTML = prefix + templateStringToUse + suffix;\n    while (depth--) {\n      node = node.lastChild;\n    }\n\n    var child;\n    /* eslint-disable no-cond-assign */\n    while (child = node.firstChild) {\n      /* eslint-enable no-cond-assign */\n      frag.appendChild(child);\n    }\n  }\n\n  templateCache.put(templateString, frag);\n  return frag;\n}\n\n/**\n * Convert a template node to a DocumentFragment.\n *\n * @param {Node} node\n * @return {DocumentFragment}\n */\n\nfunction nodeToFragment(node) {\n  // if its a template tag and the browser supports it,\n  // its content is already a document fragment.\n  if (isRealTemplate(node)) {\n    trimNode(node.content);\n    return node.content;\n  }\n  // script template\n  if (node.tagName === 'SCRIPT') {\n    return stringToFragment(node.textContent);\n  }\n  // normal node, clone it to avoid mutating the original\n  var clonedNode = cloneNode(node);\n  var frag = document.createDocumentFragment();\n  var child;\n  /* eslint-disable no-cond-assign */\n  while (child = clonedNode.firstChild) {\n    /* eslint-enable no-cond-assign */\n    frag.appendChild(child);\n  }\n  trimNode(frag);\n  return frag;\n}\n\n// Test for the presence of the Safari template cloning bug\n// https://bugs.webkit.org/showug.cgi?id=137755\nvar hasBrokenTemplate = (function () {\n  /* istanbul ignore else */\n  if (inBrowser) {\n    var a = document.createElement('div');\n    a.innerHTML = '<template>1</template>';\n    return !a.cloneNode(true).firstChild.innerHTML;\n  } else {\n    return false;\n  }\n})();\n\n// Test for IE10/11 textarea placeholder clone bug\nvar hasTextareaCloneBug = (function () {\n  /* istanbul ignore else */\n  if (inBrowser) {\n    var t = document.createElement('textarea');\n    t.placeholder = 't';\n    return t.cloneNode(true).value === 't';\n  } else {\n    return false;\n  }\n})();\n\n/**\n * 1. Deal with Safari cloning nested <template> bug by\n *    manually cloning all template instances.\n * 2. Deal with IE10/11 textarea placeholder bug by setting\n *    the correct value after cloning.\n *\n * @param {Element|DocumentFragment} node\n * @return {Element|DocumentFragment}\n */\n\nfunction cloneNode(node) {\n  if (!node.querySelectorAll) {\n    return node.cloneNode();\n  }\n  var res = node.cloneNode(true);\n  var i, original, cloned;\n  /* istanbul ignore if */\n  if (hasBrokenTemplate) {\n    var tempClone = res;\n    if (isRealTemplate(node)) {\n      node = node.content;\n      tempClone = res.content;\n    }\n    original = node.querySelectorAll('template');\n    if (original.length) {\n      cloned = tempClone.querySelectorAll('template');\n      i = cloned.length;\n      while (i--) {\n        cloned[i].parentNode.replaceChild(cloneNode(original[i]), cloned[i]);\n      }\n    }\n  }\n  /* istanbul ignore if */\n  if (hasTextareaCloneBug) {\n    if (node.tagName === 'TEXTAREA') {\n      res.value = node.value;\n    } else {\n      original = node.querySelectorAll('textarea');\n      if (original.length) {\n        cloned = res.querySelectorAll('textarea');\n        i = cloned.length;\n        while (i--) {\n          cloned[i].value = original[i].value;\n        }\n      }\n    }\n  }\n  return res;\n}\n\n/**\n * Process the template option and normalizes it into a\n * a DocumentFragment that can be used as a partial or a\n * instance template.\n *\n * @param {*} template\n *        Possible values include:\n *        - DocumentFragment object\n *        - Node object of type Template\n *        - id selector: '#some-template-id'\n *        - template string: '<div><span>{{msg}}</span></div>'\n * @param {Boolean} shouldClone\n * @param {Boolean} raw\n *        inline HTML interpolation. Do not check for id\n *        selector and keep whitespace in the string.\n * @return {DocumentFragment|undefined}\n */\n\nfunction parseTemplate(template, shouldClone, raw) {\n  var node, frag;\n\n  // if the template is already a document fragment,\n  // do nothing\n  if (template instanceof DocumentFragment) {\n    trimNode(template);\n    return shouldClone ? cloneNode(template) : template;\n  }\n\n  if (typeof template === 'string') {\n    // id selector\n    if (!raw && template.charAt(0) === '#') {\n      // id selector can be cached too\n      frag = idSelectorCache.get(template);\n      if (!frag) {\n        node = document.getElementById(template.slice(1));\n        if (node) {\n          frag = nodeToFragment(node);\n          // save selector to cache\n          idSelectorCache.put(template, frag);\n        }\n      }\n    } else {\n      // normal string template\n      frag = stringToFragment(template, raw);\n    }\n  } else if (template.nodeType) {\n    // a direct node\n    frag = nodeToFragment(template);\n  }\n\n  return frag && shouldClone ? cloneNode(frag) : frag;\n}\n\nvar template = Object.freeze({\n  cloneNode: cloneNode,\n  parseTemplate: parseTemplate\n});\n\n/**\n * Abstraction for a partially-compiled fragment.\n * Can optionally compile content with a child scope.\n *\n * @param {Function} linker\n * @param {Vue} vm\n * @param {DocumentFragment} frag\n * @param {Vue} [host]\n * @param {Object} [scope]\n */\nfunction Fragment(linker, vm, frag, host, scope, parentFrag) {\n  this.children = [];\n  this.childFrags = [];\n  this.vm = vm;\n  this.scope = scope;\n  this.inserted = false;\n  this.parentFrag = parentFrag;\n  if (parentFrag) {\n    parentFrag.childFrags.push(this);\n  }\n  this.unlink = linker(vm, frag, host, scope, this);\n  var single = this.single = frag.childNodes.length === 1 &&\n  // do not go single mode if the only node is an anchor\n  !frag.childNodes[0].__vue_anchor;\n  if (single) {\n    this.node = frag.childNodes[0];\n    this.before = singleBefore;\n    this.remove = singleRemove;\n  } else {\n    this.node = createAnchor('fragment-start');\n    this.end = createAnchor('fragment-end');\n    this.frag = frag;\n    prepend(this.node, frag);\n    frag.appendChild(this.end);\n    this.before = multiBefore;\n    this.remove = multiRemove;\n  }\n  this.node.__vfrag__ = this;\n}\n\n/**\n * Call attach/detach for all components contained within\n * this fragment. Also do so recursively for all child\n * fragments.\n *\n * @param {Function} hook\n */\n\nFragment.prototype.callHook = function (hook) {\n  var i, l;\n  for (i = 0, l = this.childFrags.length; i < l; i++) {\n    this.childFrags[i].callHook(hook);\n  }\n  for (i = 0, l = this.children.length; i < l; i++) {\n    hook(this.children[i]);\n  }\n};\n\n/**\n * Insert fragment before target, single node version\n *\n * @param {Node} target\n * @param {Boolean} withTransition\n */\n\nfunction singleBefore(target, withTransition) {\n  this.inserted = true;\n  var method = withTransition !== false ? beforeWithTransition : before;\n  method(this.node, target, this.vm);\n  if (inDoc(this.node)) {\n    this.callHook(attach);\n  }\n}\n\n/**\n * Remove fragment, single node version\n */\n\nfunction singleRemove() {\n  this.inserted = false;\n  var shouldCallRemove = inDoc(this.node);\n  var self = this;\n  this.beforeRemove();\n  removeWithTransition(this.node, this.vm, function () {\n    if (shouldCallRemove) {\n      self.callHook(detach);\n    }\n    self.destroy();\n  });\n}\n\n/**\n * Insert fragment before target, multi-nodes version\n *\n * @param {Node} target\n * @param {Boolean} withTransition\n */\n\nfunction multiBefore(target, withTransition) {\n  this.inserted = true;\n  var vm = this.vm;\n  var method = withTransition !== false ? beforeWithTransition : before;\n  mapNodeRange(this.node, this.end, function (node) {\n    method(node, target, vm);\n  });\n  if (inDoc(this.node)) {\n    this.callHook(attach);\n  }\n}\n\n/**\n * Remove fragment, multi-nodes version\n */\n\nfunction multiRemove() {\n  this.inserted = false;\n  var self = this;\n  var shouldCallRemove = inDoc(this.node);\n  this.beforeRemove();\n  removeNodeRange(this.node, this.end, this.vm, this.frag, function () {\n    if (shouldCallRemove) {\n      self.callHook(detach);\n    }\n    self.destroy();\n  });\n}\n\n/**\n * Prepare the fragment for removal.\n */\n\nFragment.prototype.beforeRemove = function () {\n  var i, l;\n  for (i = 0, l = this.childFrags.length; i < l; i++) {\n    // call the same method recursively on child\n    // fragments, depth-first\n    this.childFrags[i].beforeRemove(false);\n  }\n  for (i = 0, l = this.children.length; i < l; i++) {\n    // Call destroy for all contained instances,\n    // with remove:false and defer:true.\n    // Defer is necessary because we need to\n    // keep the children to call detach hooks\n    // on them.\n    this.children[i].$destroy(false, true);\n  }\n  var dirs = this.unlink.dirs;\n  for (i = 0, l = dirs.length; i < l; i++) {\n    // disable the watchers on all the directives\n    // so that the rendered content stays the same\n    // during removal.\n    dirs[i]._watcher && dirs[i]._watcher.teardown();\n  }\n};\n\n/**\n * Destroy the fragment.\n */\n\nFragment.prototype.destroy = function () {\n  if (this.parentFrag) {\n    this.parentFrag.childFrags.$remove(this);\n  }\n  this.node.__vfrag__ = null;\n  this.unlink();\n};\n\n/**\n * Call attach hook for a Vue instance.\n *\n * @param {Vue} child\n */\n\nfunction attach(child) {\n  if (!child._isAttached) {\n    child._callHook('attached');\n  }\n}\n\n/**\n * Call detach hook for a Vue instance.\n *\n * @param {Vue} child\n */\n\nfunction detach(child) {\n  if (child._isAttached) {\n    child._callHook('detached');\n  }\n}\n\nvar linkerCache = new Cache(5000);\n\n/**\n * A factory that can be used to create instances of a\n * fragment. Caches the compiled linker if possible.\n *\n * @param {Vue} vm\n * @param {Element|String} el\n */\nfunction FragmentFactory(vm, el) {\n  this.vm = vm;\n  var template;\n  var isString = typeof el === 'string';\n  if (isString || isTemplate(el)) {\n    template = parseTemplate(el, true);\n  } else {\n    template = document.createDocumentFragment();\n    template.appendChild(el);\n  }\n  this.template = template;\n  // linker can be cached, but only for components\n  var linker;\n  var cid = vm.constructor.cid;\n  if (cid > 0) {\n    var cacheId = cid + (isString ? el : el.outerHTML);\n    linker = linkerCache.get(cacheId);\n    if (!linker) {\n      linker = compile(template, vm.$options, true);\n      linkerCache.put(cacheId, linker);\n    }\n  } else {\n    linker = compile(template, vm.$options, true);\n  }\n  this.linker = linker;\n}\n\n/**\n * Create a fragment instance with given host and scope.\n *\n * @param {Vue} host\n * @param {Object} scope\n * @param {Fragment} parentFrag\n */\n\nFragmentFactory.prototype.create = function (host, scope, parentFrag) {\n  var frag = cloneNode(this.template);\n  return new Fragment(this.linker, this.vm, frag, host, scope, parentFrag);\n};\n\nvar vIf = {\n\n  priority: IF,\n\n  bind: function bind() {\n    var el = this.el;\n    if (!el.__vue__) {\n      // check else block\n      var next = el.nextElementSibling;\n      if (next && getAttr(next, 'v-else') !== null) {\n        remove(next);\n        this.elseFactory = new FragmentFactory(this.vm, next);\n      }\n      // check main block\n      this.anchor = createAnchor('v-if');\n      replace(el, this.anchor);\n      this.factory = new FragmentFactory(this.vm, el);\n    } else {\n      process.env.NODE_ENV !== 'production' && warn('v-if=\"' + this.expression + '\" cannot be ' + 'used on an instance root element.');\n      this.invalid = true;\n    }\n  },\n\n  update: function update(value) {\n    if (this.invalid) return;\n    if (value) {\n      if (!this.frag) {\n        this.insert();\n      }\n    } else {\n      this.remove();\n    }\n  },\n\n  insert: function insert() {\n    if (this.elseFrag) {\n      this.elseFrag.remove();\n      this.elseFrag = null;\n    }\n    this.frag = this.factory.create(this._host, this._scope, this._frag);\n    this.frag.before(this.anchor);\n  },\n\n  remove: function remove() {\n    if (this.frag) {\n      this.frag.remove();\n      this.frag = null;\n    }\n    if (this.elseFactory && !this.elseFrag) {\n      this.elseFrag = this.elseFactory.create(this._host, this._scope, this._frag);\n      this.elseFrag.before(this.anchor);\n    }\n  },\n\n  unbind: function unbind() {\n    if (this.frag) {\n      this.frag.destroy();\n    }\n  }\n};\n\nvar uid$1 = 0;\n\nvar vFor = {\n\n  priority: FOR,\n\n  params: ['track-by', 'stagger', 'enter-stagger', 'leave-stagger'],\n\n  bind: function bind() {\n    // support \"item in items\" syntax\n    var inMatch = this.expression.match(/(.*) in (.*)/);\n    if (inMatch) {\n      var itMatch = inMatch[1].match(/\\((.*),(.*)\\)/);\n      if (itMatch) {\n        this.iterator = itMatch[1].trim();\n        this.alias = itMatch[2].trim();\n      } else {\n        this.alias = inMatch[1].trim();\n      }\n      this.expression = inMatch[2];\n    }\n\n    if (!this.alias) {\n      process.env.NODE_ENV !== 'production' && warn('Alias is required in v-for.');\n      return;\n    }\n\n    // uid as a cache identifier\n    this.id = '__v-for__' + ++uid$1;\n\n    // check if this is an option list,\n    // so that we know if we need to update the <select>'s\n    // v-model when the option list has changed.\n    // because v-model has a lower priority than v-for,\n    // the v-model is not bound here yet, so we have to\n    // retrive it in the actual updateModel() function.\n    var tag = this.el.tagName;\n    this.isOption = (tag === 'OPTION' || tag === 'OPTGROUP') && this.el.parentNode.tagName === 'SELECT';\n\n    // setup anchor nodes\n    this.start = createAnchor('v-for-start');\n    this.end = createAnchor('v-for-end');\n    replace(this.el, this.end);\n    before(this.start, this.end);\n\n    // cache\n    this.cache = Object.create(null);\n\n    // fragment factory\n    this.factory = new FragmentFactory(this.vm, this.el);\n  },\n\n  update: function update(data) {\n    this.diff(data);\n    this.updateRef();\n    this.updateModel();\n  },\n\n  /**\n   * Diff, based on new data and old data, determine the\n   * minimum amount of DOM manipulations needed to make the\n   * DOM reflect the new data Array.\n   *\n   * The algorithm diffs the new data Array by storing a\n   * hidden reference to an owner vm instance on previously\n   * seen data. This allows us to achieve O(n) which is\n   * better than a levenshtein distance based algorithm,\n   * which is O(m * n).\n   *\n   * @param {Array} data\n   */\n\n  diff: function diff(data) {\n    // check if the Array was converted from an Object\n    var item = data[0];\n    var convertedFromObject = this.fromObject = isObject(item) && hasOwn(item, '$key') && hasOwn(item, '$value');\n\n    var trackByKey = this.params.trackBy;\n    var oldFrags = this.frags;\n    var frags = this.frags = new Array(data.length);\n    var alias = this.alias;\n    var iterator = this.iterator;\n    var start = this.start;\n    var end = this.end;\n    var inDocument = inDoc(start);\n    var init = !oldFrags;\n    var i, l, frag, key, value, primitive;\n\n    // First pass, go through the new Array and fill up\n    // the new frags array. If a piece of data has a cached\n    // instance for it, we reuse it. Otherwise build a new\n    // instance.\n    for (i = 0, l = data.length; i < l; i++) {\n      item = data[i];\n      key = convertedFromObject ? item.$key : null;\n      value = convertedFromObject ? item.$value : item;\n      primitive = !isObject(value);\n      frag = !init && this.getCachedFrag(value, i, key);\n      if (frag) {\n        // reusable fragment\n        frag.reused = true;\n        // update $index\n        frag.scope.$index = i;\n        // update $key\n        if (key) {\n          frag.scope.$key = key;\n        }\n        // update iterator\n        if (iterator) {\n          frag.scope[iterator] = key !== null ? key : i;\n        }\n        // update data for track-by, object repeat &\n        // primitive values.\n        if (trackByKey || convertedFromObject || primitive) {\n          frag.scope[alias] = value;\n        }\n      } else {\n        // new isntance\n        frag = this.create(value, alias, i, key);\n        frag.fresh = !init;\n      }\n      frags[i] = frag;\n      if (init) {\n        frag.before(end);\n      }\n    }\n\n    // we're done for the initial render.\n    if (init) {\n      return;\n    }\n\n    // Second pass, go through the old fragments and\n    // destroy those who are not reused (and remove them\n    // from cache)\n    var removalIndex = 0;\n    var totalRemoved = oldFrags.length - frags.length;\n    for (i = 0, l = oldFrags.length; i < l; i++) {\n      frag = oldFrags[i];\n      if (!frag.reused) {\n        this.deleteCachedFrag(frag);\n        this.remove(frag, removalIndex++, totalRemoved, inDocument);\n      }\n    }\n\n    // Final pass, move/insert new fragments into the\n    // right place.\n    var targetPrev, prevEl, currentPrev;\n    var insertionIndex = 0;\n    for (i = 0, l = frags.length; i < l; i++) {\n      frag = frags[i];\n      // this is the frag that we should be after\n      targetPrev = frags[i - 1];\n      prevEl = targetPrev ? targetPrev.staggerCb ? targetPrev.staggerAnchor : targetPrev.end || targetPrev.node : start;\n      if (frag.reused && !frag.staggerCb) {\n        currentPrev = findPrevFrag(frag, start, this.id);\n        if (currentPrev !== targetPrev && (!currentPrev ||\n        // optimization for moving a single item.\n        // thanks to suggestions by @livoras in #1807\n        findPrevFrag(currentPrev, start, this.id) !== targetPrev)) {\n          this.move(frag, prevEl);\n        }\n      } else {\n        // new instance, or still in stagger.\n        // insert with updated stagger index.\n        this.insert(frag, insertionIndex++, prevEl, inDocument);\n      }\n      frag.reused = frag.fresh = false;\n    }\n  },\n\n  /**\n   * Create a new fragment instance.\n   *\n   * @param {*} value\n   * @param {String} alias\n   * @param {Number} index\n   * @param {String} [key]\n   * @return {Fragment}\n   */\n\n  create: function create(value, alias, index, key) {\n    var host = this._host;\n    // create iteration scope\n    var parentScope = this._scope || this.vm;\n    var scope = Object.create(parentScope);\n    // ref holder for the scope\n    scope.$refs = Object.create(parentScope.$refs);\n    scope.$els = Object.create(parentScope.$els);\n    // make sure point $parent to parent scope\n    scope.$parent = parentScope;\n    // for two-way binding on alias\n    scope.$forContext = this;\n    // define scope properties\n    defineReactive(scope, alias, value);\n    defineReactive(scope, '$index', index);\n    if (key) {\n      defineReactive(scope, '$key', key);\n    } else if (scope.$key) {\n      // avoid accidental fallback\n      def(scope, '$key', null);\n    }\n    if (this.iterator) {\n      defineReactive(scope, this.iterator, key !== null ? key : index);\n    }\n    var frag = this.factory.create(host, scope, this._frag);\n    frag.forId = this.id;\n    this.cacheFrag(value, frag, index, key);\n    return frag;\n  },\n\n  /**\n   * Update the v-ref on owner vm.\n   */\n\n  updateRef: function updateRef() {\n    var ref = this.descriptor.ref;\n    if (!ref) return;\n    var hash = (this._scope || this.vm).$refs;\n    var refs;\n    if (!this.fromObject) {\n      refs = this.frags.map(findVmFromFrag);\n    } else {\n      refs = {};\n      this.frags.forEach(function (frag) {\n        refs[frag.scope.$key] = findVmFromFrag(frag);\n      });\n    }\n    hash[ref] = refs;\n  },\n\n  /**\n   * For option lists, update the containing v-model on\n   * parent <select>.\n   */\n\n  updateModel: function updateModel() {\n    if (this.isOption) {\n      var parent = this.start.parentNode;\n      var model = parent && parent.__v_model;\n      if (model) {\n        model.forceUpdate();\n      }\n    }\n  },\n\n  /**\n   * Insert a fragment. Handles staggering.\n   *\n   * @param {Fragment} frag\n   * @param {Number} index\n   * @param {Node} prevEl\n   * @param {Boolean} inDocument\n   */\n\n  insert: function insert(frag, index, prevEl, inDocument) {\n    if (frag.staggerCb) {\n      frag.staggerCb.cancel();\n      frag.staggerCb = null;\n    }\n    var staggerAmount = this.getStagger(frag, index, null, 'enter');\n    if (inDocument && staggerAmount) {\n      // create an anchor and insert it synchronously,\n      // so that we can resolve the correct order without\n      // worrying about some elements not inserted yet\n      var anchor = frag.staggerAnchor;\n      if (!anchor) {\n        anchor = frag.staggerAnchor = createAnchor('stagger-anchor');\n        anchor.__vfrag__ = frag;\n      }\n      after(anchor, prevEl);\n      var op = frag.staggerCb = cancellable(function () {\n        frag.staggerCb = null;\n        frag.before(anchor);\n        remove(anchor);\n      });\n      setTimeout(op, staggerAmount);\n    } else {\n      frag.before(prevEl.nextSibling);\n    }\n  },\n\n  /**\n   * Remove a fragment. Handles staggering.\n   *\n   * @param {Fragment} frag\n   * @param {Number} index\n   * @param {Number} total\n   * @param {Boolean} inDocument\n   */\n\n  remove: function remove(frag, index, total, inDocument) {\n    if (frag.staggerCb) {\n      frag.staggerCb.cancel();\n      frag.staggerCb = null;\n      // it's not possible for the same frag to be removed\n      // twice, so if we have a pending stagger callback,\n      // it means this frag is queued for enter but removed\n      // before its transition started. Since it is already\n      // destroyed, we can just leave it in detached state.\n      return;\n    }\n    var staggerAmount = this.getStagger(frag, index, total, 'leave');\n    if (inDocument && staggerAmount) {\n      var op = frag.staggerCb = cancellable(function () {\n        frag.staggerCb = null;\n        frag.remove();\n      });\n      setTimeout(op, staggerAmount);\n    } else {\n      frag.remove();\n    }\n  },\n\n  /**\n   * Move a fragment to a new position.\n   * Force no transition.\n   *\n   * @param {Fragment} frag\n   * @param {Node} prevEl\n   */\n\n  move: function move(frag, prevEl) {\n    // fix a common issue with Sortable:\n    // if prevEl doesn't have nextSibling, this means it's\n    // been dragged after the end anchor. Just re-position\n    // the end anchor to the end of the container.\n    /* istanbul ignore if */\n    if (!prevEl.nextSibling) {\n      this.end.parentNode.appendChild(this.end);\n    }\n    frag.before(prevEl.nextSibling, false);\n  },\n\n  /**\n   * Cache a fragment using track-by or the object key.\n   *\n   * @param {*} value\n   * @param {Fragment} frag\n   * @param {Number} index\n   * @param {String} [key]\n   */\n\n  cacheFrag: function cacheFrag(value, frag, index, key) {\n    var trackByKey = this.params.trackBy;\n    var cache = this.cache;\n    var primitive = !isObject(value);\n    var id;\n    if (key || trackByKey || primitive) {\n      id = trackByKey ? trackByKey === '$index' ? index : value[trackByKey] : key || value;\n      if (!cache[id]) {\n        cache[id] = frag;\n      } else if (trackByKey !== '$index') {\n        process.env.NODE_ENV !== 'production' && this.warnDuplicate(value);\n      }\n    } else {\n      id = this.id;\n      if (hasOwn(value, id)) {\n        if (value[id] === null) {\n          value[id] = frag;\n        } else {\n          process.env.NODE_ENV !== 'production' && this.warnDuplicate(value);\n        }\n      } else {\n        def(value, id, frag);\n      }\n    }\n    frag.raw = value;\n  },\n\n  /**\n   * Get a cached fragment from the value/index/key\n   *\n   * @param {*} value\n   * @param {Number} index\n   * @param {String} key\n   * @return {Fragment}\n   */\n\n  getCachedFrag: function getCachedFrag(value, index, key) {\n    var trackByKey = this.params.trackBy;\n    var primitive = !isObject(value);\n    var frag;\n    if (key || trackByKey || primitive) {\n      var id = trackByKey ? trackByKey === '$index' ? index : value[trackByKey] : key || value;\n      frag = this.cache[id];\n    } else {\n      frag = value[this.id];\n    }\n    if (frag && (frag.reused || frag.fresh)) {\n      process.env.NODE_ENV !== 'production' && this.warnDuplicate(value);\n    }\n    return frag;\n  },\n\n  /**\n   * Delete a fragment from cache.\n   *\n   * @param {Fragment} frag\n   */\n\n  deleteCachedFrag: function deleteCachedFrag(frag) {\n    var value = frag.raw;\n    var trackByKey = this.params.trackBy;\n    var scope = frag.scope;\n    var index = scope.$index;\n    // fix #948: avoid accidentally fall through to\n    // a parent repeater which happens to have $key.\n    var key = hasOwn(scope, '$key') && scope.$key;\n    var primitive = !isObject(value);\n    if (trackByKey || key || primitive) {\n      var id = trackByKey ? trackByKey === '$index' ? index : value[trackByKey] : key || value;\n      this.cache[id] = null;\n    } else {\n      value[this.id] = null;\n      frag.raw = null;\n    }\n  },\n\n  /**\n   * Get the stagger amount for an insertion/removal.\n   *\n   * @param {Fragment} frag\n   * @param {Number} index\n   * @param {Number} total\n   * @param {String} type\n   */\n\n  getStagger: function getStagger(frag, index, total, type) {\n    type = type + 'Stagger';\n    var trans = frag.node.__v_trans;\n    var hooks = trans && trans.hooks;\n    var hook = hooks && (hooks[type] || hooks.stagger);\n    return hook ? hook.call(frag, index, total) : index * parseInt(this.params[type] || this.params.stagger, 10);\n  },\n\n  /**\n   * Pre-process the value before piping it through the\n   * filters. This is passed to and called by the watcher.\n   */\n\n  _preProcess: function _preProcess(value) {\n    // regardless of type, store the un-filtered raw value.\n    this.rawValue = value;\n    return value;\n  },\n\n  /**\n   * Post-process the value after it has been piped through\n   * the filters. This is passed to and called by the watcher.\n   *\n   * It is necessary for this to be called during the\n   * wathcer's dependency collection phase because we want\n   * the v-for to update when the source Object is mutated.\n   */\n\n  _postProcess: function _postProcess(value) {\n    if (isArray(value)) {\n      return value;\n    } else if (isPlainObject(value)) {\n      // convert plain object to array.\n      var keys = Object.keys(value);\n      var i = keys.length;\n      var res = new Array(i);\n      var key;\n      while (i--) {\n        key = keys[i];\n        res[i] = {\n          $key: key,\n          $value: value[key]\n        };\n      }\n      return res;\n    } else {\n      if (typeof value === 'number') {\n        value = range(value);\n      }\n      return value || [];\n    }\n  },\n\n  unbind: function unbind() {\n    if (this.descriptor.ref) {\n      (this._scope || this.vm).$refs[this.descriptor.ref] = null;\n    }\n    if (this.frags) {\n      var i = this.frags.length;\n      var frag;\n      while (i--) {\n        frag = this.frags[i];\n        this.deleteCachedFrag(frag);\n        frag.destroy();\n      }\n    }\n  }\n};\n\n/**\n * Helper to find the previous element that is a fragment\n * anchor. This is necessary because a destroyed frag's\n * element could still be lingering in the DOM before its\n * leaving transition finishes, but its inserted flag\n * should have been set to false so we can skip them.\n *\n * If this is a block repeat, we want to make sure we only\n * return frag that is bound to this v-for. (see #929)\n *\n * @param {Fragment} frag\n * @param {Comment|Text} anchor\n * @param {String} id\n * @return {Fragment}\n */\n\nfunction findPrevFrag(frag, anchor, id) {\n  var el = frag.node.previousSibling;\n  /* istanbul ignore if */\n  if (!el) return;\n  frag = el.__vfrag__;\n  while ((!frag || frag.forId !== id || !frag.inserted) && el !== anchor) {\n    el = el.previousSibling;\n    /* istanbul ignore if */\n    if (!el) return;\n    frag = el.__vfrag__;\n  }\n  return frag;\n}\n\n/**\n * Find a vm from a fragment.\n *\n * @param {Fragment} frag\n * @return {Vue|undefined}\n */\n\nfunction findVmFromFrag(frag) {\n  var node = frag.node;\n  // handle multi-node frag\n  if (frag.end) {\n    while (!node.__vue__ && node !== frag.end && node.nextSibling) {\n      node = node.nextSibling;\n    }\n  }\n  return node.__vue__;\n}\n\n/**\n * Create a range array from given number.\n *\n * @param {Number} n\n * @return {Array}\n */\n\nfunction range(n) {\n  var i = -1;\n  var ret = new Array(n);\n  while (++i < n) {\n    ret[i] = i;\n  }\n  return ret;\n}\n\nif (process.env.NODE_ENV !== 'production') {\n  vFor.warnDuplicate = function (value) {\n    warn('Duplicate value found in v-for=\"' + this.descriptor.raw + '\": ' + JSON.stringify(value) + '. Use track-by=\"$index\" if ' + 'you are expecting duplicate values.');\n  };\n}\n\nvar html = {\n\n  bind: function bind() {\n    // a comment node means this is a binding for\n    // {{{ inline unescaped html }}}\n    if (this.el.nodeType === 8) {\n      // hold nodes\n      this.nodes = [];\n      // replace the placeholder with proper anchor\n      this.anchor = createAnchor('v-html');\n      replace(this.el, this.anchor);\n    }\n  },\n\n  update: function update(value) {\n    value = _toString(value);\n    if (this.nodes) {\n      this.swap(value);\n    } else {\n      this.el.innerHTML = value;\n    }\n  },\n\n  swap: function swap(value) {\n    // remove old nodes\n    var i = this.nodes.length;\n    while (i--) {\n      remove(this.nodes[i]);\n    }\n    // convert new value to a fragment\n    // do not attempt to retrieve from id selector\n    var frag = parseTemplate(value, true, true);\n    // save a reference to these nodes so we can remove later\n    this.nodes = toArray(frag.childNodes);\n    before(frag, this.anchor);\n  }\n};\n\nvar text = {\n\n  bind: function bind() {\n    this.attr = this.el.nodeType === 3 ? 'data' : 'textContent';\n  },\n\n  update: function update(value) {\n    this.el[this.attr] = _toString(value);\n  }\n};\n\n// must export plain object\nvar publicDirectives = {\n  text: text,\n  html: html,\n  'for': vFor,\n  'if': vIf,\n  show: show,\n  model: model,\n  on: on,\n  bind: bind,\n  el: el,\n  ref: ref,\n  cloak: cloak\n};\n\nvar queue$1 = [];\nvar queued = false;\n\n/**\n * Push a job into the queue.\n *\n * @param {Function} job\n */\n\nfunction pushJob(job) {\n  queue$1.push(job);\n  if (!queued) {\n    queued = true;\n    nextTick(flush);\n  }\n}\n\n/**\n * Flush the queue, and do one forced reflow before\n * triggering transitions.\n */\n\nfunction flush() {\n  // Force layout\n  var f = document.documentElement.offsetHeight;\n  for (var i = 0; i < queue$1.length; i++) {\n    queue$1[i]();\n  }\n  queue$1 = [];\n  queued = false;\n  // dummy return, so js linters don't complain about\n  // unused variable f\n  return f;\n}\n\nvar TYPE_TRANSITION = 'transition';\nvar TYPE_ANIMATION = 'animation';\nvar transDurationProp = transitionProp + 'Duration';\nvar animDurationProp = animationProp + 'Duration';\n\n/**\n * A Transition object that encapsulates the state and logic\n * of the transition.\n *\n * @param {Element} el\n * @param {String} id\n * @param {Object} hooks\n * @param {Vue} vm\n */\nfunction Transition(el, id, hooks, vm) {\n  this.id = id;\n  this.el = el;\n  this.enterClass = hooks && hooks.enterClass || id + '-enter';\n  this.leaveClass = hooks && hooks.leaveClass || id + '-leave';\n  this.hooks = hooks;\n  this.vm = vm;\n  // async state\n  this.pendingCssEvent = this.pendingCssCb = this.cancel = this.pendingJsCb = this.op = this.cb = null;\n  this.justEntered = false;\n  this.entered = this.left = false;\n  this.typeCache = {};\n  // check css transition type\n  this.type = hooks && hooks.type;\n  /* istanbul ignore if */\n  if (process.env.NODE_ENV !== 'production') {\n    if (this.type && this.type !== TYPE_TRANSITION && this.type !== TYPE_ANIMATION) {\n      warn('invalid CSS transition type for transition=\"' + this.id + '\": ' + this.type);\n    }\n  }\n  // bind\n  var self = this;['enterNextTick', 'enterDone', 'leaveNextTick', 'leaveDone'].forEach(function (m) {\n    self[m] = bind$1(self[m], self);\n  });\n}\n\nvar p$1 = Transition.prototype;\n\n/**\n * Start an entering transition.\n *\n * 1. enter transition triggered\n * 2. call beforeEnter hook\n * 3. add enter class\n * 4. insert/show element\n * 5. call enter hook (with possible explicit js callback)\n * 6. reflow\n * 7. based on transition type:\n *    - transition:\n *        remove class now, wait for transitionend,\n *        then done if there's no explicit js callback.\n *    - animation:\n *        wait for animationend, remove class,\n *        then done if there's no explicit js callback.\n *    - no css transition:\n *        done now if there's no explicit js callback.\n * 8. wait for either done or js callback, then call\n *    afterEnter hook.\n *\n * @param {Function} op - insert/show the element\n * @param {Function} [cb]\n */\n\np$1.enter = function (op, cb) {\n  this.cancelPending();\n  this.callHook('beforeEnter');\n  this.cb = cb;\n  addClass(this.el, this.enterClass);\n  op();\n  this.entered = false;\n  this.callHookWithCb('enter');\n  if (this.entered) {\n    return; // user called done synchronously.\n  }\n  this.cancel = this.hooks && this.hooks.enterCancelled;\n  pushJob(this.enterNextTick);\n};\n\n/**\n * The \"nextTick\" phase of an entering transition, which is\n * to be pushed into a queue and executed after a reflow so\n * that removing the class can trigger a CSS transition.\n */\n\np$1.enterNextTick = function () {\n\n  // Important hack:\n  // in Chrome, if a just-entered element is applied the\n  // leave class while its interpolated property still has\n  // a very small value (within one frame), Chrome will\n  // skip the leave transition entirely and not firing the\n  // transtionend event. Therefore we need to protected\n  // against such cases using a one-frame timeout.\n  this.justEntered = true;\n  var self = this;\n  setTimeout(function () {\n    self.justEntered = false;\n  }, 17);\n\n  var enterDone = this.enterDone;\n  var type = this.getCssTransitionType(this.enterClass);\n  if (!this.pendingJsCb) {\n    if (type === TYPE_TRANSITION) {\n      // trigger transition by removing enter class now\n      removeClass(this.el, this.enterClass);\n      this.setupCssCb(transitionEndEvent, enterDone);\n    } else if (type === TYPE_ANIMATION) {\n      this.setupCssCb(animationEndEvent, enterDone);\n    } else {\n      enterDone();\n    }\n  } else if (type === TYPE_TRANSITION) {\n    removeClass(this.el, this.enterClass);\n  }\n};\n\n/**\n * The \"cleanup\" phase of an entering transition.\n */\n\np$1.enterDone = function () {\n  this.entered = true;\n  this.cancel = this.pendingJsCb = null;\n  removeClass(this.el, this.enterClass);\n  this.callHook('afterEnter');\n  if (this.cb) this.cb();\n};\n\n/**\n * Start a leaving transition.\n *\n * 1. leave transition triggered.\n * 2. call beforeLeave hook\n * 3. add leave class (trigger css transition)\n * 4. call leave hook (with possible explicit js callback)\n * 5. reflow if no explicit js callback is provided\n * 6. based on transition type:\n *    - transition or animation:\n *        wait for end event, remove class, then done if\n *        there's no explicit js callback.\n *    - no css transition:\n *        done if there's no explicit js callback.\n * 7. wait for either done or js callback, then call\n *    afterLeave hook.\n *\n * @param {Function} op - remove/hide the element\n * @param {Function} [cb]\n */\n\np$1.leave = function (op, cb) {\n  this.cancelPending();\n  this.callHook('beforeLeave');\n  this.op = op;\n  this.cb = cb;\n  addClass(this.el, this.leaveClass);\n  this.left = false;\n  this.callHookWithCb('leave');\n  if (this.left) {\n    return; // user called done synchronously.\n  }\n  this.cancel = this.hooks && this.hooks.leaveCancelled;\n  // only need to handle leaveDone if\n  // 1. the transition is already done (synchronously called\n  //    by the user, which causes this.op set to null)\n  // 2. there's no explicit js callback\n  if (this.op && !this.pendingJsCb) {\n    // if a CSS transition leaves immediately after enter,\n    // the transitionend event never fires. therefore we\n    // detect such cases and end the leave immediately.\n    if (this.justEntered) {\n      this.leaveDone();\n    } else {\n      pushJob(this.leaveNextTick);\n    }\n  }\n};\n\n/**\n * The \"nextTick\" phase of a leaving transition.\n */\n\np$1.leaveNextTick = function () {\n  var type = this.getCssTransitionType(this.leaveClass);\n  if (type) {\n    var event = type === TYPE_TRANSITION ? transitionEndEvent : animationEndEvent;\n    this.setupCssCb(event, this.leaveDone);\n  } else {\n    this.leaveDone();\n  }\n};\n\n/**\n * The \"cleanup\" phase of a leaving transition.\n */\n\np$1.leaveDone = function () {\n  this.left = true;\n  this.cancel = this.pendingJsCb = null;\n  this.op();\n  removeClass(this.el, this.leaveClass);\n  this.callHook('afterLeave');\n  if (this.cb) this.cb();\n  this.op = null;\n};\n\n/**\n * Cancel any pending callbacks from a previously running\n * but not finished transition.\n */\n\np$1.cancelPending = function () {\n  this.op = this.cb = null;\n  var hasPending = false;\n  if (this.pendingCssCb) {\n    hasPending = true;\n    off(this.el, this.pendingCssEvent, this.pendingCssCb);\n    this.pendingCssEvent = this.pendingCssCb = null;\n  }\n  if (this.pendingJsCb) {\n    hasPending = true;\n    this.pendingJsCb.cancel();\n    this.pendingJsCb = null;\n  }\n  if (hasPending) {\n    removeClass(this.el, this.enterClass);\n    removeClass(this.el, this.leaveClass);\n  }\n  if (this.cancel) {\n    this.cancel.call(this.vm, this.el);\n    this.cancel = null;\n  }\n};\n\n/**\n * Call a user-provided synchronous hook function.\n *\n * @param {String} type\n */\n\np$1.callHook = function (type) {\n  if (this.hooks && this.hooks[type]) {\n    this.hooks[type].call(this.vm, this.el);\n  }\n};\n\n/**\n * Call a user-provided, potentially-async hook function.\n * We check for the length of arguments to see if the hook\n * expects a `done` callback. If true, the transition's end\n * will be determined by when the user calls that callback;\n * otherwise, the end is determined by the CSS transition or\n * animation.\n *\n * @param {String} type\n */\n\np$1.callHookWithCb = function (type) {\n  var hook = this.hooks && this.hooks[type];\n  if (hook) {\n    if (hook.length > 1) {\n      this.pendingJsCb = cancellable(this[type + 'Done']);\n    }\n    hook.call(this.vm, this.el, this.pendingJsCb);\n  }\n};\n\n/**\n * Get an element's transition type based on the\n * calculated styles.\n *\n * @param {String} className\n * @return {Number}\n */\n\np$1.getCssTransitionType = function (className) {\n  /* istanbul ignore if */\n  if (!transitionEndEvent ||\n  // skip CSS transitions if page is not visible -\n  // this solves the issue of transitionend events not\n  // firing until the page is visible again.\n  // pageVisibility API is supported in IE10+, same as\n  // CSS transitions.\n  document.hidden ||\n  // explicit js-only transition\n  this.hooks && this.hooks.css === false ||\n  // element is hidden\n  isHidden(this.el)) {\n    return;\n  }\n  var type = this.type || this.typeCache[className];\n  if (type) return type;\n  var inlineStyles = this.el.style;\n  var computedStyles = window.getComputedStyle(this.el);\n  var transDuration = inlineStyles[transDurationProp] || computedStyles[transDurationProp];\n  if (transDuration && transDuration !== '0s') {\n    type = TYPE_TRANSITION;\n  } else {\n    var animDuration = inlineStyles[animDurationProp] || computedStyles[animDurationProp];\n    if (animDuration && animDuration !== '0s') {\n      type = TYPE_ANIMATION;\n    }\n  }\n  if (type) {\n    this.typeCache[className] = type;\n  }\n  return type;\n};\n\n/**\n * Setup a CSS transitionend/animationend callback.\n *\n * @param {String} event\n * @param {Function} cb\n */\n\np$1.setupCssCb = function (event, cb) {\n  this.pendingCssEvent = event;\n  var self = this;\n  var el = this.el;\n  var onEnd = this.pendingCssCb = function (e) {\n    if (e.target === el) {\n      off(el, event, onEnd);\n      self.pendingCssEvent = self.pendingCssCb = null;\n      if (!self.pendingJsCb && cb) {\n        cb();\n      }\n    }\n  };\n  on$1(el, event, onEnd);\n};\n\n/**\n * Check if an element is hidden - in that case we can just\n * skip the transition alltogether.\n *\n * @param {Element} el\n * @return {Boolean}\n */\n\nfunction isHidden(el) {\n  return !(el.offsetWidth || el.offsetHeight || el.getClientRects().length);\n}\n\nvar transition = {\n\n  priority: TRANSITION,\n\n  update: function update(id, oldId) {\n    var el = this.el;\n    // resolve on owner vm\n    var hooks = resolveAsset(this.vm.$options, 'transitions', id);\n    id = id || 'v';\n    // apply on closest vm\n    el.__v_trans = new Transition(el, id, hooks, this.el.__vue__ || this.vm);\n    if (oldId) {\n      removeClass(el, oldId + '-transition');\n    }\n    addClass(el, id + '-transition');\n  }\n};\n\nvar bindingModes = config._propBindingModes;\n\nvar propDef = {\n\n  bind: function bind() {\n\n    var child = this.vm;\n    var parent = child._context;\n    // passed in from compiler directly\n    var prop = this.descriptor.prop;\n    var childKey = prop.path;\n    var parentKey = prop.parentPath;\n    var twoWay = prop.mode === bindingModes.TWO_WAY;\n\n    var parentWatcher = this.parentWatcher = new Watcher(parent, parentKey, function (val) {\n      val = coerceProp(prop, val);\n      if (assertProp(prop, val)) {\n        child[childKey] = val;\n      }\n    }, {\n      twoWay: twoWay,\n      filters: prop.filters,\n      // important: props need to be observed on the\n      // v-for scope if present\n      scope: this._scope\n    });\n\n    // set the child initial value.\n    initProp(child, prop, parentWatcher.value);\n\n    // setup two-way binding\n    if (twoWay) {\n      // important: defer the child watcher creation until\n      // the created hook (after data observation)\n      var self = this;\n      child.$once('pre-hook:created', function () {\n        self.childWatcher = new Watcher(child, childKey, function (val) {\n          parentWatcher.set(val);\n        }, {\n          // ensure sync upward before parent sync down.\n          // this is necessary in cases e.g. the child\n          // mutates a prop array, then replaces it. (#1683)\n          sync: true\n        });\n      });\n    }\n  },\n\n  unbind: function unbind() {\n    this.parentWatcher.teardown();\n    if (this.childWatcher) {\n      this.childWatcher.teardown();\n    }\n  }\n};\n\nvar component = {\n\n  priority: COMPONENT,\n\n  params: ['keep-alive', 'transition-mode', 'inline-template'],\n\n  /**\n   * Setup. Two possible usages:\n   *\n   * - static:\n   *   <comp> or <div v-component=\"comp\">\n   *\n   * - dynamic:\n   *   <component :is=\"view\">\n   */\n\n  bind: function bind() {\n    if (!this.el.__vue__) {\n      // keep-alive cache\n      this.keepAlive = this.params.keepAlive;\n      if (this.keepAlive) {\n        this.cache = {};\n      }\n      // check inline-template\n      if (this.params.inlineTemplate) {\n        // extract inline template as a DocumentFragment\n        this.inlineTemplate = extractContent(this.el, true);\n      }\n      // component resolution related state\n      this.pendingComponentCb = this.Component = null;\n      // transition related state\n      this.pendingRemovals = 0;\n      this.pendingRemovalCb = null;\n      // create a ref anchor\n      this.anchor = createAnchor('v-component');\n      replace(this.el, this.anchor);\n      // remove is attribute.\n      // this is removed during compilation, but because compilation is\n      // cached, when the component is used elsewhere this attribute\n      // will remain at link time.\n      this.el.removeAttribute('is');\n      // remove ref, same as above\n      if (this.descriptor.ref) {\n        this.el.removeAttribute('v-ref:' + hyphenate(this.descriptor.ref));\n      }\n      // if static, build right now.\n      if (this.literal) {\n        this.setComponent(this.expression);\n      }\n    } else {\n      process.env.NODE_ENV !== 'production' && warn('cannot mount component \"' + this.expression + '\" ' + 'on already mounted element: ' + this.el);\n    }\n  },\n\n  /**\n   * Public update, called by the watcher in the dynamic\n   * literal scenario, e.g. <component :is=\"view\">\n   */\n\n  update: function update(value) {\n    if (!this.literal) {\n      this.setComponent(value);\n    }\n  },\n\n  /**\n   * Switch dynamic components. May resolve the component\n   * asynchronously, and perform transition based on\n   * specified transition mode. Accepts a few additional\n   * arguments specifically for vue-router.\n   *\n   * The callback is called when the full transition is\n   * finished.\n   *\n   * @param {String} value\n   * @param {Function} [cb]\n   */\n\n  setComponent: function setComponent(value, cb) {\n    this.invalidatePending();\n    if (!value) {\n      // just remove current\n      this.unbuild(true);\n      this.remove(this.childVM, cb);\n      this.childVM = null;\n    } else {\n      var self = this;\n      this.resolveComponent(value, function () {\n        self.mountComponent(cb);\n      });\n    }\n  },\n\n  /**\n   * Resolve the component constructor to use when creating\n   * the child vm.\n   */\n\n  resolveComponent: function resolveComponent(id, cb) {\n    var self = this;\n    this.pendingComponentCb = cancellable(function (Component) {\n      self.ComponentName = Component.options.name || id;\n      self.Component = Component;\n      cb();\n    });\n    this.vm._resolveComponent(id, this.pendingComponentCb);\n  },\n\n  /**\n   * Create a new instance using the current constructor and\n   * replace the existing instance. This method doesn't care\n   * whether the new component and the old one are actually\n   * the same.\n   *\n   * @param {Function} [cb]\n   */\n\n  mountComponent: function mountComponent(cb) {\n    // actual mount\n    this.unbuild(true);\n    var self = this;\n    var activateHook = this.Component.options.activate;\n    var cached = this.getCached();\n    var newComponent = this.build();\n    if (activateHook && !cached) {\n      this.waitingFor = newComponent;\n      activateHook.call(newComponent, function () {\n        if (self.waitingFor !== newComponent) {\n          return;\n        }\n        self.waitingFor = null;\n        self.transition(newComponent, cb);\n      });\n    } else {\n      // update ref for kept-alive component\n      if (cached) {\n        newComponent._updateRef();\n      }\n      this.transition(newComponent, cb);\n    }\n  },\n\n  /**\n   * When the component changes or unbinds before an async\n   * constructor is resolved, we need to invalidate its\n   * pending callback.\n   */\n\n  invalidatePending: function invalidatePending() {\n    if (this.pendingComponentCb) {\n      this.pendingComponentCb.cancel();\n      this.pendingComponentCb = null;\n    }\n  },\n\n  /**\n   * Instantiate/insert a new child vm.\n   * If keep alive and has cached instance, insert that\n   * instance; otherwise build a new one and cache it.\n   *\n   * @param {Object} [extraOptions]\n   * @return {Vue} - the created instance\n   */\n\n  build: function build(extraOptions) {\n    var cached = this.getCached();\n    if (cached) {\n      return cached;\n    }\n    if (this.Component) {\n      // default options\n      var options = {\n        name: this.ComponentName,\n        el: cloneNode(this.el),\n        template: this.inlineTemplate,\n        // make sure to add the child with correct parent\n        // if this is a transcluded component, its parent\n        // should be the transclusion host.\n        parent: this._host || this.vm,\n        // if no inline-template, then the compiled\n        // linker can be cached for better performance.\n        _linkerCachable: !this.inlineTemplate,\n        _ref: this.descriptor.ref,\n        _asComponent: true,\n        _isRouterView: this._isRouterView,\n        // if this is a transcluded component, context\n        // will be the common parent vm of this instance\n        // and its host.\n        _context: this.vm,\n        // if this is inside an inline v-for, the scope\n        // will be the intermediate scope created for this\n        // repeat fragment. this is used for linking props\n        // and container directives.\n        _scope: this._scope,\n        // pass in the owner fragment of this component.\n        // this is necessary so that the fragment can keep\n        // track of its contained components in order to\n        // call attach/detach hooks for them.\n        _frag: this._frag\n      };\n      // extra options\n      // in 1.0.0 this is used by vue-router only\n      /* istanbul ignore if */\n      if (extraOptions) {\n        extend(options, extraOptions);\n      }\n      var child = new this.Component(options);\n      if (this.keepAlive) {\n        this.cache[this.Component.cid] = child;\n      }\n      /* istanbul ignore if */\n      if (process.env.NODE_ENV !== 'production' && this.el.hasAttribute('transition') && child._isFragment) {\n        warn('Transitions will not work on a fragment instance. ' + 'Template: ' + child.$options.template);\n      }\n      return child;\n    }\n  },\n\n  /**\n   * Try to get a cached instance of the current component.\n   *\n   * @return {Vue|undefined}\n   */\n\n  getCached: function getCached() {\n    return this.keepAlive && this.cache[this.Component.cid];\n  },\n\n  /**\n   * Teardown the current child, but defers cleanup so\n   * that we can separate the destroy and removal steps.\n   *\n   * @param {Boolean} defer\n   */\n\n  unbuild: function unbuild(defer) {\n    if (this.waitingFor) {\n      this.waitingFor.$destroy();\n      this.waitingFor = null;\n    }\n    var child = this.childVM;\n    if (!child || this.keepAlive) {\n      if (child) {\n        // remove ref\n        child._updateRef(true);\n      }\n      return;\n    }\n    // the sole purpose of `deferCleanup` is so that we can\n    // \"deactivate\" the vm right now and perform DOM removal\n    // later.\n    child.$destroy(false, defer);\n  },\n\n  /**\n   * Remove current destroyed child and manually do\n   * the cleanup after removal.\n   *\n   * @param {Function} cb\n   */\n\n  remove: function remove(child, cb) {\n    var keepAlive = this.keepAlive;\n    if (child) {\n      // we may have a component switch when a previous\n      // component is still being transitioned out.\n      // we want to trigger only one lastest insertion cb\n      // when the existing transition finishes. (#1119)\n      this.pendingRemovals++;\n      this.pendingRemovalCb = cb;\n      var self = this;\n      child.$remove(function () {\n        self.pendingRemovals--;\n        if (!keepAlive) child._cleanup();\n        if (!self.pendingRemovals && self.pendingRemovalCb) {\n          self.pendingRemovalCb();\n          self.pendingRemovalCb = null;\n        }\n      });\n    } else if (cb) {\n      cb();\n    }\n  },\n\n  /**\n   * Actually swap the components, depending on the\n   * transition mode. Defaults to simultaneous.\n   *\n   * @param {Vue} target\n   * @param {Function} [cb]\n   */\n\n  transition: function transition(target, cb) {\n    var self = this;\n    var current = this.childVM;\n    // for devtool inspection\n    if (process.env.NODE_ENV !== 'production') {\n      if (current) current._inactive = true;\n      target._inactive = false;\n    }\n    this.childVM = target;\n    switch (self.params.transitionMode) {\n      case 'in-out':\n        target.$before(self.anchor, function () {\n          self.remove(current, cb);\n        });\n        break;\n      case 'out-in':\n        self.remove(current, function () {\n          target.$before(self.anchor, cb);\n        });\n        break;\n      default:\n        self.remove(current);\n        target.$before(self.anchor, cb);\n    }\n  },\n\n  /**\n   * Unbind.\n   */\n\n  unbind: function unbind() {\n    this.invalidatePending();\n    // Do not defer cleanup when unbinding\n    this.unbuild();\n    // destroy all keep-alive cached instances\n    if (this.cache) {\n      for (var key in this.cache) {\n        this.cache[key].$destroy();\n      }\n      this.cache = null;\n    }\n  }\n};\n\nvar vClass = {\n\n  deep: true,\n\n  update: function update(value) {\n    if (value && typeof value === 'string') {\n      this.handleObject(stringToObject(value));\n    } else if (isPlainObject(value)) {\n      this.handleObject(value);\n    } else if (isArray(value)) {\n      this.handleArray(value);\n    } else {\n      this.cleanup();\n    }\n  },\n\n  handleObject: function handleObject(value) {\n    this.cleanup(value);\n    var keys = this.prevKeys = Object.keys(value);\n    for (var i = 0, l = keys.length; i < l; i++) {\n      var key = keys[i];\n      if (value[key]) {\n        addClass(this.el, key);\n      } else {\n        removeClass(this.el, key);\n      }\n    }\n  },\n\n  handleArray: function handleArray(value) {\n    this.cleanup(value);\n    for (var i = 0, l = value.length; i < l; i++) {\n      if (value[i]) {\n        addClass(this.el, value[i]);\n      }\n    }\n    this.prevKeys = value.slice();\n  },\n\n  cleanup: function cleanup(value) {\n    if (this.prevKeys) {\n      var i = this.prevKeys.length;\n      while (i--) {\n        var key = this.prevKeys[i];\n        if (key && (!value || !contains$1(value, key))) {\n          removeClass(this.el, key);\n        }\n      }\n    }\n  }\n};\n\nfunction stringToObject(value) {\n  var res = {};\n  var keys = value.trim().split(/\\s+/);\n  var i = keys.length;\n  while (i--) {\n    res[keys[i]] = true;\n  }\n  return res;\n}\n\nfunction contains$1(value, key) {\n  return isArray(value) ? value.indexOf(key) > -1 : hasOwn(value, key);\n}\n\nvar internalDirectives = {\n  style: style,\n  'class': vClass,\n  component: component,\n  prop: propDef,\n  transition: transition\n};\n\nvar propBindingModes = config._propBindingModes;\nvar empty = {};\n\n// regexes\nvar identRE$1 = /^[$_a-zA-Z]+[\\w$]*$/;\nvar settablePathRE = /^[A-Za-z_$][\\w$]*(\\.[A-Za-z_$][\\w$]*|\\[[^\\[\\]]+\\])*$/;\n\n/**\n * Compile props on a root element and return\n * a props link function.\n *\n * @param {Element|DocumentFragment} el\n * @param {Array} propOptions\n * @return {Function} propsLinkFn\n */\n\nfunction compileProps(el, propOptions) {\n  var props = [];\n  var names = Object.keys(propOptions);\n  var i = names.length;\n  var options, name, attr, value, path, parsed, prop;\n  while (i--) {\n    name = names[i];\n    options = propOptions[name] || empty;\n\n    if (process.env.NODE_ENV !== 'production' && name === '$data') {\n      warn('Do not use $data as prop.');\n      continue;\n    }\n\n    // props could contain dashes, which will be\n    // interpreted as minus calculations by the parser\n    // so we need to camelize the path here\n    path = camelize(name);\n    if (!identRE$1.test(path)) {\n      process.env.NODE_ENV !== 'production' && warn('Invalid prop key: \"' + name + '\". Prop keys ' + 'must be valid identifiers.');\n      continue;\n    }\n\n    prop = {\n      name: name,\n      path: path,\n      options: options,\n      mode: propBindingModes.ONE_WAY,\n      raw: null\n    };\n\n    attr = hyphenate(name);\n    // first check dynamic version\n    if ((value = getBindAttr(el, attr)) === null) {\n      if ((value = getBindAttr(el, attr + '.sync')) !== null) {\n        prop.mode = propBindingModes.TWO_WAY;\n      } else if ((value = getBindAttr(el, attr + '.once')) !== null) {\n        prop.mode = propBindingModes.ONE_TIME;\n      }\n    }\n    if (value !== null) {\n      // has dynamic binding!\n      prop.raw = value;\n      parsed = parseDirective(value);\n      value = parsed.expression;\n      prop.filters = parsed.filters;\n      // check binding type\n      if (isLiteral(value) && !parsed.filters) {\n        // for expressions containing literal numbers and\n        // booleans, there's no need to setup a prop binding,\n        // so we can optimize them as a one-time set.\n        prop.optimizedLiteral = true;\n      } else {\n        prop.dynamic = true;\n        // check non-settable path for two-way bindings\n        if (process.env.NODE_ENV !== 'production' && prop.mode === propBindingModes.TWO_WAY && !settablePathRE.test(value)) {\n          prop.mode = propBindingModes.ONE_WAY;\n          warn('Cannot bind two-way prop with non-settable ' + 'parent path: ' + value);\n        }\n      }\n      prop.parentPath = value;\n\n      // warn required two-way\n      if (process.env.NODE_ENV !== 'production' && options.twoWay && prop.mode !== propBindingModes.TWO_WAY) {\n        warn('Prop \"' + name + '\" expects a two-way binding type.');\n      }\n    } else if ((value = getAttr(el, attr)) !== null) {\n      // has literal binding!\n      prop.raw = value;\n    } else if (options.required) {\n      // warn missing required\n      process.env.NODE_ENV !== 'production' && warn('Missing required prop: ' + name);\n    }\n    // push prop\n    props.push(prop);\n  }\n  return makePropsLinkFn(props);\n}\n\n/**\n * Build a function that applies props to a vm.\n *\n * @param {Array} props\n * @return {Function} propsLinkFn\n */\n\nfunction makePropsLinkFn(props) {\n  return function propsLinkFn(vm, scope) {\n    // store resolved props info\n    vm._props = {};\n    var i = props.length;\n    var prop, path, options, value, raw;\n    while (i--) {\n      prop = props[i];\n      raw = prop.raw;\n      path = prop.path;\n      options = prop.options;\n      vm._props[path] = prop;\n      if (raw === null) {\n        // initialize absent prop\n        initProp(vm, prop, getDefault(vm, options));\n      } else if (prop.dynamic) {\n        // dynamic prop\n        if (vm._context) {\n          if (prop.mode === propBindingModes.ONE_TIME) {\n            // one time binding\n            value = (scope || vm._context).$get(prop.parentPath);\n            initProp(vm, prop, value);\n          } else {\n            // dynamic binding\n            vm._bindDir({\n              name: 'prop',\n              def: propDef,\n              prop: prop\n            }, null, null, scope); // el, host, scope\n          }\n        } else {\n            process.env.NODE_ENV !== 'production' && warn('Cannot bind dynamic prop on a root instance' + ' with no parent: ' + prop.name + '=\"' + raw + '\"');\n          }\n      } else if (prop.optimizedLiteral) {\n        // optimized literal, cast it and just set once\n        var stripped = stripQuotes(raw);\n        value = stripped === raw ? toBoolean(toNumber(raw)) : stripped;\n        initProp(vm, prop, value);\n      } else {\n        // string literal, but we need to cater for\n        // Boolean props with no value\n        value = options.type === Boolean && raw === '' ? true : raw;\n        initProp(vm, prop, value);\n      }\n    }\n  };\n}\n\n/**\n * Get the default value of a prop.\n *\n * @param {Vue} vm\n * @param {Object} options\n * @return {*}\n */\n\nfunction getDefault(vm, options) {\n  // no default, return undefined\n  if (!hasOwn(options, 'default')) {\n    // absent boolean value defaults to false\n    return options.type === Boolean ? false : undefined;\n  }\n  var def = options['default'];\n  // warn against non-factory defaults for Object & Array\n  if (isObject(def)) {\n    process.env.NODE_ENV !== 'production' && warn('Object/Array as default prop values will be shared ' + 'across multiple instances. Use a factory function ' + 'to return the default value instead.');\n  }\n  // call factory function for non-Function types\n  return typeof def === 'function' && options.type !== Function ? def.call(vm) : def;\n}\n\n// special binding prefixes\nvar bindRE = /^v-bind:|^:/;\nvar onRE = /^v-on:|^@/;\nvar argRE = /:(.*)$/;\nvar modifierRE = /\\.[^\\.]+/g;\nvar transitionRE = /^(v-bind:|:)?transition$/;\n\n// terminal directives\nvar terminalDirectives = ['for', 'if'];\n\n// default directive priority\nvar DEFAULT_PRIORITY = 1000;\n\n/**\n * Compile a template and return a reusable composite link\n * function, which recursively contains more link functions\n * inside. This top level compile function would normally\n * be called on instance root nodes, but can also be used\n * for partial compilation if the partial argument is true.\n *\n * The returned composite link function, when called, will\n * return an unlink function that tearsdown all directives\n * created during the linking phase.\n *\n * @param {Element|DocumentFragment} el\n * @param {Object} options\n * @param {Boolean} partial\n * @return {Function}\n */\n\nfunction compile(el, options, partial) {\n  // link function for the node itself.\n  var nodeLinkFn = partial || !options._asComponent ? compileNode(el, options) : null;\n  // link function for the childNodes\n  var childLinkFn = !(nodeLinkFn && nodeLinkFn.terminal) && el.tagName !== 'SCRIPT' && el.hasChildNodes() ? compileNodeList(el.childNodes, options) : null;\n\n  /**\n   * A composite linker function to be called on a already\n   * compiled piece of DOM, which instantiates all directive\n   * instances.\n   *\n   * @param {Vue} vm\n   * @param {Element|DocumentFragment} el\n   * @param {Vue} [host] - host vm of transcluded content\n   * @param {Object} [scope] - v-for scope\n   * @param {Fragment} [frag] - link context fragment\n   * @return {Function|undefined}\n   */\n\n  return function compositeLinkFn(vm, el, host, scope, frag) {\n    // cache childNodes before linking parent, fix #657\n    var childNodes = toArray(el.childNodes);\n    // link\n    var dirs = linkAndCapture(function compositeLinkCapturer() {\n      if (nodeLinkFn) nodeLinkFn(vm, el, host, scope, frag);\n      if (childLinkFn) childLinkFn(vm, childNodes, host, scope, frag);\n    }, vm);\n    return makeUnlinkFn(vm, dirs);\n  };\n}\n\n/**\n * Apply a linker to a vm/element pair and capture the\n * directives created during the process.\n *\n * @param {Function} linker\n * @param {Vue} vm\n */\n\nfunction linkAndCapture(linker, vm) {\n  var originalDirCount = vm._directives.length;\n  linker();\n  var dirs = vm._directives.slice(originalDirCount);\n  dirs.sort(directiveComparator);\n  for (var i = 0, l = dirs.length; i < l; i++) {\n    dirs[i]._bind();\n  }\n  return dirs;\n}\n\n/**\n * Directive priority sort comparator\n *\n * @param {Object} a\n * @param {Object} b\n */\n\nfunction directiveComparator(a, b) {\n  a = a.descriptor.def.priority || DEFAULT_PRIORITY;\n  b = b.descriptor.def.priority || DEFAULT_PRIORITY;\n  return a > b ? -1 : a === b ? 0 : 1;\n}\n\n/**\n * Linker functions return an unlink function that\n * tearsdown all directives instances generated during\n * the process.\n *\n * We create unlink functions with only the necessary\n * information to avoid retaining additional closures.\n *\n * @param {Vue} vm\n * @param {Array} dirs\n * @param {Vue} [context]\n * @param {Array} [contextDirs]\n * @return {Function}\n */\n\nfunction makeUnlinkFn(vm, dirs, context, contextDirs) {\n  function unlink(destroying) {\n    teardownDirs(vm, dirs, destroying);\n    if (context && contextDirs) {\n      teardownDirs(context, contextDirs);\n    }\n  }\n  // expose linked directives\n  unlink.dirs = dirs;\n  return unlink;\n}\n\n/**\n * Teardown partial linked directives.\n *\n * @param {Vue} vm\n * @param {Array} dirs\n * @param {Boolean} destroying\n */\n\nfunction teardownDirs(vm, dirs, destroying) {\n  var i = dirs.length;\n  while (i--) {\n    dirs[i]._teardown();\n    if (!destroying) {\n      vm._directives.$remove(dirs[i]);\n    }\n  }\n}\n\n/**\n * Compile link props on an instance.\n *\n * @param {Vue} vm\n * @param {Element} el\n * @param {Object} props\n * @param {Object} [scope]\n * @return {Function}\n */\n\nfunction compileAndLinkProps(vm, el, props, scope) {\n  var propsLinkFn = compileProps(el, props);\n  var propDirs = linkAndCapture(function () {\n    propsLinkFn(vm, scope);\n  }, vm);\n  return makeUnlinkFn(vm, propDirs);\n}\n\n/**\n * Compile the root element of an instance.\n *\n * 1. attrs on context container (context scope)\n * 2. attrs on the component template root node, if\n *    replace:true (child scope)\n *\n * If this is a fragment instance, we only need to compile 1.\n *\n * @param {Vue} vm\n * @param {Element} el\n * @param {Object} options\n * @param {Object} contextOptions\n * @return {Function}\n */\n\nfunction compileRoot(el, options, contextOptions) {\n  var containerAttrs = options._containerAttrs;\n  var replacerAttrs = options._replacerAttrs;\n  var contextLinkFn, replacerLinkFn;\n\n  // only need to compile other attributes for\n  // non-fragment instances\n  if (el.nodeType !== 11) {\n    // for components, container and replacer need to be\n    // compiled separately and linked in different scopes.\n    if (options._asComponent) {\n      // 2. container attributes\n      if (containerAttrs && contextOptions) {\n        contextLinkFn = compileDirectives(containerAttrs, contextOptions);\n      }\n      if (replacerAttrs) {\n        // 3. replacer attributes\n        replacerLinkFn = compileDirectives(replacerAttrs, options);\n      }\n    } else {\n      // non-component, just compile as a normal element.\n      replacerLinkFn = compileDirectives(el.attributes, options);\n    }\n  } else if (process.env.NODE_ENV !== 'production' && containerAttrs) {\n    // warn container directives for fragment instances\n    var names = containerAttrs.filter(function (attr) {\n      // allow vue-loader/vueify scoped css attributes\n      return attr.name.indexOf('_v-') < 0 &&\n      // allow event listeners\n      !onRE.test(attr.name) &&\n      // allow slots\n      attr.name !== 'slot';\n    }).map(function (attr) {\n      return '\"' + attr.name + '\"';\n    });\n    if (names.length) {\n      var plural = names.length > 1;\n      warn('Attribute' + (plural ? 's ' : ' ') + names.join(', ') + (plural ? ' are' : ' is') + ' ignored on component ' + '<' + options.el.tagName.toLowerCase() + '> because ' + 'the component is a fragment instance: ' + 'http://vuejs.org/guide/components.html#Fragment_Instance');\n    }\n  }\n\n  options._containerAttrs = options._replacerAttrs = null;\n  return function rootLinkFn(vm, el, scope) {\n    // link context scope dirs\n    var context = vm._context;\n    var contextDirs;\n    if (context && contextLinkFn) {\n      contextDirs = linkAndCapture(function () {\n        contextLinkFn(context, el, null, scope);\n      }, context);\n    }\n\n    // link self\n    var selfDirs = linkAndCapture(function () {\n      if (replacerLinkFn) replacerLinkFn(vm, el);\n    }, vm);\n\n    // return the unlink function that tearsdown context\n    // container directives.\n    return makeUnlinkFn(vm, selfDirs, context, contextDirs);\n  };\n}\n\n/**\n * Compile a node and return a nodeLinkFn based on the\n * node type.\n *\n * @param {Node} node\n * @param {Object} options\n * @return {Function|null}\n */\n\nfunction compileNode(node, options) {\n  var type = node.nodeType;\n  if (type === 1 && node.tagName !== 'SCRIPT') {\n    return compileElement(node, options);\n  } else if (type === 3 && node.data.trim()) {\n    return compileTextNode(node, options);\n  } else {\n    return null;\n  }\n}\n\n/**\n * Compile an element and return a nodeLinkFn.\n *\n * @param {Element} el\n * @param {Object} options\n * @return {Function|null}\n */\n\nfunction compileElement(el, options) {\n  // preprocess textareas.\n  // textarea treats its text content as the initial value.\n  // just bind it as an attr directive for value.\n  if (el.tagName === 'TEXTAREA') {\n    var tokens = parseText(el.value);\n    if (tokens) {\n      el.setAttribute(':value', tokensToExp(tokens));\n      el.value = '';\n    }\n  }\n  var linkFn;\n  var hasAttrs = el.hasAttributes();\n  // check terminal directives (for & if)\n  if (hasAttrs) {\n    linkFn = checkTerminalDirectives(el, options);\n  }\n  // check element directives\n  if (!linkFn) {\n    linkFn = checkElementDirectives(el, options);\n  }\n  // check component\n  if (!linkFn) {\n    linkFn = checkComponent(el, options);\n  }\n  // normal directives\n  if (!linkFn && hasAttrs) {\n    linkFn = compileDirectives(el.attributes, options);\n  }\n  return linkFn;\n}\n\n/**\n * Compile a textNode and return a nodeLinkFn.\n *\n * @param {TextNode} node\n * @param {Object} options\n * @return {Function|null} textNodeLinkFn\n */\n\nfunction compileTextNode(node, options) {\n  // skip marked text nodes\n  if (node._skip) {\n    return removeText;\n  }\n\n  var tokens = parseText(node.wholeText);\n  if (!tokens) {\n    return null;\n  }\n\n  // mark adjacent text nodes as skipped,\n  // because we are using node.wholeText to compile\n  // all adjacent text nodes together. This fixes\n  // issues in IE where sometimes it splits up a single\n  // text node into multiple ones.\n  var next = node.nextSibling;\n  while (next && next.nodeType === 3) {\n    next._skip = true;\n    next = next.nextSibling;\n  }\n\n  var frag = document.createDocumentFragment();\n  var el, token;\n  for (var i = 0, l = tokens.length; i < l; i++) {\n    token = tokens[i];\n    el = token.tag ? processTextToken(token, options) : document.createTextNode(token.value);\n    frag.appendChild(el);\n  }\n  return makeTextNodeLinkFn(tokens, frag, options);\n}\n\n/**\n * Linker for an skipped text node.\n *\n * @param {Vue} vm\n * @param {Text} node\n */\n\nfunction removeText(vm, node) {\n  remove(node);\n}\n\n/**\n * Process a single text token.\n *\n * @param {Object} token\n * @param {Object} options\n * @return {Node}\n */\n\nfunction processTextToken(token, options) {\n  var el;\n  if (token.oneTime) {\n    el = document.createTextNode(token.value);\n  } else {\n    if (token.html) {\n      el = document.createComment('v-html');\n      setTokenType('html');\n    } else {\n      // IE will clean up empty textNodes during\n      // frag.cloneNode(true), so we have to give it\n      // something here...\n      el = document.createTextNode(' ');\n      setTokenType('text');\n    }\n  }\n  function setTokenType(type) {\n    if (token.descriptor) return;\n    var parsed = parseDirective(token.value);\n    token.descriptor = {\n      name: type,\n      def: publicDirectives[type],\n      expression: parsed.expression,\n      filters: parsed.filters\n    };\n  }\n  return el;\n}\n\n/**\n * Build a function that processes a textNode.\n *\n * @param {Array<Object>} tokens\n * @param {DocumentFragment} frag\n */\n\nfunction makeTextNodeLinkFn(tokens, frag) {\n  return function textNodeLinkFn(vm, el, host, scope) {\n    var fragClone = frag.cloneNode(true);\n    var childNodes = toArray(fragClone.childNodes);\n    var token, value, node;\n    for (var i = 0, l = tokens.length; i < l; i++) {\n      token = tokens[i];\n      value = token.value;\n      if (token.tag) {\n        node = childNodes[i];\n        if (token.oneTime) {\n          value = (scope || vm).$eval(value);\n          if (token.html) {\n            replace(node, parseTemplate(value, true));\n          } else {\n            node.data = value;\n          }\n        } else {\n          vm._bindDir(token.descriptor, node, host, scope);\n        }\n      }\n    }\n    replace(el, fragClone);\n  };\n}\n\n/**\n * Compile a node list and return a childLinkFn.\n *\n * @param {NodeList} nodeList\n * @param {Object} options\n * @return {Function|undefined}\n */\n\nfunction compileNodeList(nodeList, options) {\n  var linkFns = [];\n  var nodeLinkFn, childLinkFn, node;\n  for (var i = 0, l = nodeList.length; i < l; i++) {\n    node = nodeList[i];\n    nodeLinkFn = compileNode(node, options);\n    childLinkFn = !(nodeLinkFn && nodeLinkFn.terminal) && node.tagName !== 'SCRIPT' && node.hasChildNodes() ? compileNodeList(node.childNodes, options) : null;\n    linkFns.push(nodeLinkFn, childLinkFn);\n  }\n  return linkFns.length ? makeChildLinkFn(linkFns) : null;\n}\n\n/**\n * Make a child link function for a node's childNodes.\n *\n * @param {Array<Function>} linkFns\n * @return {Function} childLinkFn\n */\n\nfunction makeChildLinkFn(linkFns) {\n  return function childLinkFn(vm, nodes, host, scope, frag) {\n    var node, nodeLinkFn, childrenLinkFn;\n    for (var i = 0, n = 0, l = linkFns.length; i < l; n++) {\n      node = nodes[n];\n      nodeLinkFn = linkFns[i++];\n      childrenLinkFn = linkFns[i++];\n      // cache childNodes before linking parent, fix #657\n      var childNodes = toArray(node.childNodes);\n      if (nodeLinkFn) {\n        nodeLinkFn(vm, node, host, scope, frag);\n      }\n      if (childrenLinkFn) {\n        childrenLinkFn(vm, childNodes, host, scope, frag);\n      }\n    }\n  };\n}\n\n/**\n * Check for element directives (custom elements that should\n * be resovled as terminal directives).\n *\n * @param {Element} el\n * @param {Object} options\n */\n\nfunction checkElementDirectives(el, options) {\n  var tag = el.tagName.toLowerCase();\n  if (commonTagRE.test(tag)) return;\n  // special case: give named slot a higher priority\n  // than unnamed slots\n  if (tag === 'slot' && hasBindAttr(el, 'name')) {\n    tag = '_namedSlot';\n  }\n  var def = resolveAsset(options, 'elementDirectives', tag);\n  if (def) {\n    return makeTerminalNodeLinkFn(el, tag, '', options, def);\n  }\n}\n\n/**\n * Check if an element is a component. If yes, return\n * a component link function.\n *\n * @param {Element} el\n * @param {Object} options\n * @return {Function|undefined}\n */\n\nfunction checkComponent(el, options) {\n  var component = checkComponentAttr(el, options);\n  if (component) {\n    var ref = findRef(el);\n    var descriptor = {\n      name: 'component',\n      ref: ref,\n      expression: component.id,\n      def: internalDirectives.component,\n      modifiers: {\n        literal: !component.dynamic\n      }\n    };\n    var componentLinkFn = function componentLinkFn(vm, el, host, scope, frag) {\n      if (ref) {\n        defineReactive((scope || vm).$refs, ref, null);\n      }\n      vm._bindDir(descriptor, el, host, scope, frag);\n    };\n    componentLinkFn.terminal = true;\n    return componentLinkFn;\n  }\n}\n\n/**\n * Check an element for terminal directives in fixed order.\n * If it finds one, return a terminal link function.\n *\n * @param {Element} el\n * @param {Object} options\n * @return {Function} terminalLinkFn\n */\n\nfunction checkTerminalDirectives(el, options) {\n  // skip v-pre\n  if (getAttr(el, 'v-pre') !== null) {\n    return skip;\n  }\n  // skip v-else block, but only if following v-if\n  if (el.hasAttribute('v-else')) {\n    var prev = el.previousElementSibling;\n    if (prev && prev.hasAttribute('v-if')) {\n      return skip;\n    }\n  }\n  var value, dirName;\n  for (var i = 0, l = terminalDirectives.length; i < l; i++) {\n    dirName = terminalDirectives[i];\n    value = el.getAttribute('v-' + dirName);\n    if (value != null) {\n      return makeTerminalNodeLinkFn(el, dirName, value, options);\n    }\n  }\n}\n\nfunction skip() {}\nskip.terminal = true;\n\n/**\n * Build a node link function for a terminal directive.\n * A terminal link function terminates the current\n * compilation recursion and handles compilation of the\n * subtree in the directive.\n *\n * @param {Element} el\n * @param {String} dirName\n * @param {String} value\n * @param {Object} options\n * @param {Object} [def]\n * @return {Function} terminalLinkFn\n */\n\nfunction makeTerminalNodeLinkFn(el, dirName, value, options, def) {\n  var parsed = parseDirective(value);\n  var descriptor = {\n    name: dirName,\n    expression: parsed.expression,\n    filters: parsed.filters,\n    raw: value,\n    // either an element directive, or if/for\n    def: def || publicDirectives[dirName]\n  };\n  // check ref for v-for and router-view\n  if (dirName === 'for' || dirName === 'router-view') {\n    descriptor.ref = findRef(el);\n  }\n  var fn = function terminalNodeLinkFn(vm, el, host, scope, frag) {\n    if (descriptor.ref) {\n      defineReactive((scope || vm).$refs, descriptor.ref, null);\n    }\n    vm._bindDir(descriptor, el, host, scope, frag);\n  };\n  fn.terminal = true;\n  return fn;\n}\n\n/**\n * Compile the directives on an element and return a linker.\n *\n * @param {Array|NamedNodeMap} attrs\n * @param {Object} options\n * @return {Function}\n */\n\nfunction compileDirectives(attrs, options) {\n  var i = attrs.length;\n  var dirs = [];\n  var attr, name, value, rawName, rawValue, dirName, arg, modifiers, dirDef, tokens;\n  while (i--) {\n    attr = attrs[i];\n    name = rawName = attr.name;\n    value = rawValue = attr.value;\n    tokens = parseText(value);\n    // reset arg\n    arg = null;\n    // check modifiers\n    modifiers = parseModifiers(name);\n    name = name.replace(modifierRE, '');\n\n    // attribute interpolations\n    if (tokens) {\n      value = tokensToExp(tokens);\n      arg = name;\n      pushDir('bind', publicDirectives.bind, tokens);\n      // warn against mixing mustaches with v-bind\n      if (process.env.NODE_ENV !== 'production') {\n        if (name === 'class' && Array.prototype.some.call(attrs, function (attr) {\n          return attr.name === ':class' || attr.name === 'v-bind:class';\n        })) {\n          warn('class=\"' + rawValue + '\": Do not mix mustache interpolation ' + 'and v-bind for \"class\" on the same element. Use one or the other.');\n        }\n      }\n    } else\n\n      // special attribute: transition\n      if (transitionRE.test(name)) {\n        modifiers.literal = !bindRE.test(name);\n        pushDir('transition', internalDirectives.transition);\n      } else\n\n        // event handlers\n        if (onRE.test(name)) {\n          arg = name.replace(onRE, '');\n          pushDir('on', publicDirectives.on);\n        } else\n\n          // attribute bindings\n          if (bindRE.test(name)) {\n            dirName = name.replace(bindRE, '');\n            if (dirName === 'style' || dirName === 'class') {\n              pushDir(dirName, internalDirectives[dirName]);\n            } else {\n              arg = dirName;\n              pushDir('bind', publicDirectives.bind);\n            }\n          } else\n\n            // normal directives\n            if (name.indexOf('v-') === 0) {\n              // check arg\n              arg = (arg = name.match(argRE)) && arg[1];\n              if (arg) {\n                name = name.replace(argRE, '');\n              }\n              // extract directive name\n              dirName = name.slice(2);\n\n              // skip v-else (when used with v-show)\n              if (dirName === 'else') {\n                continue;\n              }\n\n              dirDef = resolveAsset(options, 'directives', dirName);\n\n              if (process.env.NODE_ENV !== 'production') {\n                assertAsset(dirDef, 'directive', dirName);\n              }\n\n              if (dirDef) {\n                pushDir(dirName, dirDef);\n              }\n            }\n  }\n\n  /**\n   * Push a directive.\n   *\n   * @param {String} dirName\n   * @param {Object|Function} def\n   * @param {Array} [interpTokens]\n   */\n\n  function pushDir(dirName, def, interpTokens) {\n    var hasOneTimeToken = interpTokens && hasOneTime(interpTokens);\n    var parsed = !hasOneTimeToken && parseDirective(value);\n    dirs.push({\n      name: dirName,\n      attr: rawName,\n      raw: rawValue,\n      def: def,\n      arg: arg,\n      modifiers: modifiers,\n      // conversion from interpolation strings with one-time token\n      // to expression is differed until directive bind time so that we\n      // have access to the actual vm context for one-time bindings.\n      expression: parsed && parsed.expression,\n      filters: parsed && parsed.filters,\n      interp: interpTokens,\n      hasOneTime: hasOneTimeToken\n    });\n  }\n\n  if (dirs.length) {\n    return makeNodeLinkFn(dirs);\n  }\n}\n\n/**\n * Parse modifiers from directive attribute name.\n *\n * @param {String} name\n * @return {Object}\n */\n\nfunction parseModifiers(name) {\n  var res = Object.create(null);\n  var match = name.match(modifierRE);\n  if (match) {\n    var i = match.length;\n    while (i--) {\n      res[match[i].slice(1)] = true;\n    }\n  }\n  return res;\n}\n\n/**\n * Build a link function for all directives on a single node.\n *\n * @param {Array} directives\n * @return {Function} directivesLinkFn\n */\n\nfunction makeNodeLinkFn(directives) {\n  return function nodeLinkFn(vm, el, host, scope, frag) {\n    // reverse apply because it's sorted low to high\n    var i = directives.length;\n    while (i--) {\n      vm._bindDir(directives[i], el, host, scope, frag);\n    }\n  };\n}\n\n/**\n * Check if an interpolation string contains one-time tokens.\n *\n * @param {Array} tokens\n * @return {Boolean}\n */\n\nfunction hasOneTime(tokens) {\n  var i = tokens.length;\n  while (i--) {\n    if (tokens[i].oneTime) return true;\n  }\n}\n\nvar specialCharRE = /[^\\w\\-:\\.]/;\n\n/**\n * Process an element or a DocumentFragment based on a\n * instance option object. This allows us to transclude\n * a template node/fragment before the instance is created,\n * so the processed fragment can then be cloned and reused\n * in v-for.\n *\n * @param {Element} el\n * @param {Object} options\n * @return {Element|DocumentFragment}\n */\n\nfunction transclude(el, options) {\n  // extract container attributes to pass them down\n  // to compiler, because they need to be compiled in\n  // parent scope. we are mutating the options object here\n  // assuming the same object will be used for compile\n  // right after this.\n  if (options) {\n    options._containerAttrs = extractAttrs(el);\n  }\n  // for template tags, what we want is its content as\n  // a documentFragment (for fragment instances)\n  if (isTemplate(el)) {\n    el = parseTemplate(el);\n  }\n  if (options) {\n    if (options._asComponent && !options.template) {\n      options.template = '<slot></slot>';\n    }\n    if (options.template) {\n      options._content = extractContent(el);\n      el = transcludeTemplate(el, options);\n    }\n  }\n  if (el instanceof DocumentFragment) {\n    // anchors for fragment instance\n    // passing in `persist: true` to avoid them being\n    // discarded by IE during template cloning\n    prepend(createAnchor('v-start', true), el);\n    el.appendChild(createAnchor('v-end', true));\n  }\n  return el;\n}\n\n/**\n * Process the template option.\n * If the replace option is true this will swap the $el.\n *\n * @param {Element} el\n * @param {Object} options\n * @return {Element|DocumentFragment}\n */\n\nfunction transcludeTemplate(el, options) {\n  var template = options.template;\n  var frag = parseTemplate(template, true);\n  if (frag) {\n    var replacer = frag.firstChild;\n    var tag = replacer.tagName && replacer.tagName.toLowerCase();\n    if (options.replace) {\n      /* istanbul ignore if */\n      if (el === document.body) {\n        process.env.NODE_ENV !== 'production' && warn('You are mounting an instance with a template to ' + '<body>. This will replace <body> entirely. You ' + 'should probably use `replace: false` here.');\n      }\n      // there are many cases where the instance must\n      // become a fragment instance: basically anything that\n      // can create more than 1 root nodes.\n      if (\n      // multi-children template\n      frag.childNodes.length > 1 ||\n      // non-element template\n      replacer.nodeType !== 1 ||\n      // single nested component\n      tag === 'component' || resolveAsset(options, 'components', tag) || hasBindAttr(replacer, 'is') ||\n      // element directive\n      resolveAsset(options, 'elementDirectives', tag) ||\n      // for block\n      replacer.hasAttribute('v-for') ||\n      // if block\n      replacer.hasAttribute('v-if')) {\n        return frag;\n      } else {\n        options._replacerAttrs = extractAttrs(replacer);\n        mergeAttrs(el, replacer);\n        return replacer;\n      }\n    } else {\n      el.appendChild(frag);\n      return el;\n    }\n  } else {\n    process.env.NODE_ENV !== 'production' && warn('Invalid template option: ' + template);\n  }\n}\n\n/**\n * Helper to extract a component container's attributes\n * into a plain object array.\n *\n * @param {Element} el\n * @return {Array}\n */\n\nfunction extractAttrs(el) {\n  if (el.nodeType === 1 && el.hasAttributes()) {\n    return toArray(el.attributes);\n  }\n}\n\n/**\n * Merge the attributes of two elements, and make sure\n * the class names are merged properly.\n *\n * @param {Element} from\n * @param {Element} to\n */\n\nfunction mergeAttrs(from, to) {\n  var attrs = from.attributes;\n  var i = attrs.length;\n  var name, value;\n  while (i--) {\n    name = attrs[i].name;\n    value = attrs[i].value;\n    if (!to.hasAttribute(name) && !specialCharRE.test(name)) {\n      to.setAttribute(name, value);\n    } else if (name === 'class' && !parseText(value)) {\n      value.split(/\\s+/).forEach(function (cls) {\n        addClass(to, cls);\n      });\n    }\n  }\n}\n\nvar compiler = Object.freeze({\n\tcompile: compile,\n\tcompileAndLinkProps: compileAndLinkProps,\n\tcompileRoot: compileRoot,\n\tterminalDirectives: terminalDirectives,\n\ttransclude: transclude\n});\n\nfunction stateMixin (Vue) {\n\n  /**\n   * Accessor for `$data` property, since setting $data\n   * requires observing the new object and updating\n   * proxied properties.\n   */\n\n  Object.defineProperty(Vue.prototype, '$data', {\n    get: function get() {\n      return this._data;\n    },\n    set: function set(newData) {\n      if (newData !== this._data) {\n        this._setData(newData);\n      }\n    }\n  });\n\n  /**\n   * Setup the scope of an instance, which contains:\n   * - observed data\n   * - computed properties\n   * - user methods\n   * - meta properties\n   */\n\n  Vue.prototype._initState = function () {\n    this._initProps();\n    this._initMeta();\n    this._initMethods();\n    this._initData();\n    this._initComputed();\n  };\n\n  /**\n   * Initialize props.\n   */\n\n  Vue.prototype._initProps = function () {\n    var options = this.$options;\n    var el = options.el;\n    var props = options.props;\n    if (props && !el) {\n      process.env.NODE_ENV !== 'production' && warn('Props will not be compiled if no `el` option is ' + 'provided at instantiation.');\n    }\n    // make sure to convert string selectors into element now\n    el = options.el = query(el);\n    this._propsUnlinkFn = el && el.nodeType === 1 && props\n    // props must be linked in proper scope if inside v-for\n    ? compileAndLinkProps(this, el, props, this._scope) : null;\n  };\n\n  /**\n   * Initialize the data.\n   */\n\n  Vue.prototype._initData = function () {\n    var propsData = this._data;\n    var optionsDataFn = this.$options.data;\n    var optionsData = optionsDataFn && optionsDataFn();\n    if (optionsData) {\n      this._data = optionsData;\n      for (var prop in propsData) {\n        if (process.env.NODE_ENV !== 'production' && hasOwn(optionsData, prop)) {\n          warn('Data field \"' + prop + '\" is already defined ' + 'as a prop. Use prop default value instead.');\n        }\n        if (this._props[prop].raw !== null || !hasOwn(optionsData, prop)) {\n          set(optionsData, prop, propsData[prop]);\n        }\n      }\n    }\n    var data = this._data;\n    // proxy data on instance\n    var keys = Object.keys(data);\n    var i, key;\n    i = keys.length;\n    while (i--) {\n      key = keys[i];\n      this._proxy(key);\n    }\n    // observe data\n    observe(data, this);\n  };\n\n  /**\n   * Swap the instance's $data. Called in $data's setter.\n   *\n   * @param {Object} newData\n   */\n\n  Vue.prototype._setData = function (newData) {\n    newData = newData || {};\n    var oldData = this._data;\n    this._data = newData;\n    var keys, key, i;\n    // unproxy keys not present in new data\n    keys = Object.keys(oldData);\n    i = keys.length;\n    while (i--) {\n      key = keys[i];\n      if (!(key in newData)) {\n        this._unproxy(key);\n      }\n    }\n    // proxy keys not already proxied,\n    // and trigger change for changed values\n    keys = Object.keys(newData);\n    i = keys.length;\n    while (i--) {\n      key = keys[i];\n      if (!hasOwn(this, key)) {\n        // new property\n        this._proxy(key);\n      }\n    }\n    oldData.__ob__.removeVm(this);\n    observe(newData, this);\n    this._digest();\n  };\n\n  /**\n   * Proxy a property, so that\n   * vm.prop === vm._data.prop\n   *\n   * @param {String} key\n   */\n\n  Vue.prototype._proxy = function (key) {\n    if (!isReserved(key)) {\n      // need to store ref to self here\n      // because these getter/setters might\n      // be called by child scopes via\n      // prototype inheritance.\n      var self = this;\n      Object.defineProperty(self, key, {\n        configurable: true,\n        enumerable: true,\n        get: function proxyGetter() {\n          return self._data[key];\n        },\n        set: function proxySetter(val) {\n          self._data[key] = val;\n        }\n      });\n    }\n  };\n\n  /**\n   * Unproxy a property.\n   *\n   * @param {String} key\n   */\n\n  Vue.prototype._unproxy = function (key) {\n    if (!isReserved(key)) {\n      delete this[key];\n    }\n  };\n\n  /**\n   * Force update on every watcher in scope.\n   */\n\n  Vue.prototype._digest = function () {\n    for (var i = 0, l = this._watchers.length; i < l; i++) {\n      this._watchers[i].update(true); // shallow updates\n    }\n  };\n\n  /**\n   * Setup computed properties. They are essentially\n   * special getter/setters\n   */\n\n  function noop() {}\n  Vue.prototype._initComputed = function () {\n    var computed = this.$options.computed;\n    if (computed) {\n      for (var key in computed) {\n        var userDef = computed[key];\n        var def = {\n          enumerable: true,\n          configurable: true\n        };\n        if (typeof userDef === 'function') {\n          def.get = makeComputedGetter(userDef, this);\n          def.set = noop;\n        } else {\n          def.get = userDef.get ? userDef.cache !== false ? makeComputedGetter(userDef.get, this) : bind$1(userDef.get, this) : noop;\n          def.set = userDef.set ? bind$1(userDef.set, this) : noop;\n        }\n        Object.defineProperty(this, key, def);\n      }\n    }\n  };\n\n  function makeComputedGetter(getter, owner) {\n    var watcher = new Watcher(owner, getter, null, {\n      lazy: true\n    });\n    return function computedGetter() {\n      if (watcher.dirty) {\n        watcher.evaluate();\n      }\n      if (Dep.target) {\n        watcher.depend();\n      }\n      return watcher.value;\n    };\n  }\n\n  /**\n   * Setup instance methods. Methods must be bound to the\n   * instance since they might be passed down as a prop to\n   * child components.\n   */\n\n  Vue.prototype._initMethods = function () {\n    var methods = this.$options.methods;\n    if (methods) {\n      for (var key in methods) {\n        this[key] = bind$1(methods[key], this);\n      }\n    }\n  };\n\n  /**\n   * Initialize meta information like $index, $key & $value.\n   */\n\n  Vue.prototype._initMeta = function () {\n    var metas = this.$options._meta;\n    if (metas) {\n      for (var key in metas) {\n        defineReactive(this, key, metas[key]);\n      }\n    }\n  };\n}\n\nvar eventRE = /^v-on:|^@/;\n\nfunction eventsMixin (Vue) {\n\n  /**\n   * Setup the instance's option events & watchers.\n   * If the value is a string, we pull it from the\n   * instance's methods by name.\n   */\n\n  Vue.prototype._initEvents = function () {\n    var options = this.$options;\n    if (options._asComponent) {\n      registerComponentEvents(this, options.el);\n    }\n    registerCallbacks(this, '$on', options.events);\n    registerCallbacks(this, '$watch', options.watch);\n  };\n\n  /**\n   * Register v-on events on a child component\n   *\n   * @param {Vue} vm\n   * @param {Element} el\n   */\n\n  function registerComponentEvents(vm, el) {\n    var attrs = el.attributes;\n    var name, handler;\n    for (var i = 0, l = attrs.length; i < l; i++) {\n      name = attrs[i].name;\n      if (eventRE.test(name)) {\n        name = name.replace(eventRE, '');\n        handler = (vm._scope || vm._context).$eval(attrs[i].value, true);\n        handler._fromParent = true;\n        vm.$on(name.replace(eventRE), handler);\n      }\n    }\n  }\n\n  /**\n   * Register callbacks for option events and watchers.\n   *\n   * @param {Vue} vm\n   * @param {String} action\n   * @param {Object} hash\n   */\n\n  function registerCallbacks(vm, action, hash) {\n    if (!hash) return;\n    var handlers, key, i, j;\n    for (key in hash) {\n      handlers = hash[key];\n      if (isArray(handlers)) {\n        for (i = 0, j = handlers.length; i < j; i++) {\n          register(vm, action, key, handlers[i]);\n        }\n      } else {\n        register(vm, action, key, handlers);\n      }\n    }\n  }\n\n  /**\n   * Helper to register an event/watch callback.\n   *\n   * @param {Vue} vm\n   * @param {String} action\n   * @param {String} key\n   * @param {Function|String|Object} handler\n   * @param {Object} [options]\n   */\n\n  function register(vm, action, key, handler, options) {\n    var type = typeof handler;\n    if (type === 'function') {\n      vm[action](key, handler, options);\n    } else if (type === 'string') {\n      var methods = vm.$options.methods;\n      var method = methods && methods[handler];\n      if (method) {\n        vm[action](key, method, options);\n      } else {\n        process.env.NODE_ENV !== 'production' && warn('Unknown method: \"' + handler + '\" when ' + 'registering callback for ' + action + ': \"' + key + '\".');\n      }\n    } else if (handler && type === 'object') {\n      register(vm, action, key, handler.handler, handler);\n    }\n  }\n\n  /**\n   * Setup recursive attached/detached calls\n   */\n\n  Vue.prototype._initDOMHooks = function () {\n    this.$on('hook:attached', onAttached);\n    this.$on('hook:detached', onDetached);\n  };\n\n  /**\n   * Callback to recursively call attached hook on children\n   */\n\n  function onAttached() {\n    if (!this._isAttached) {\n      this._isAttached = true;\n      this.$children.forEach(callAttach);\n    }\n  }\n\n  /**\n   * Iterator to call attached hook\n   *\n   * @param {Vue} child\n   */\n\n  function callAttach(child) {\n    if (!child._isAttached && inDoc(child.$el)) {\n      child._callHook('attached');\n    }\n  }\n\n  /**\n   * Callback to recursively call detached hook on children\n   */\n\n  function onDetached() {\n    if (this._isAttached) {\n      this._isAttached = false;\n      this.$children.forEach(callDetach);\n    }\n  }\n\n  /**\n   * Iterator to call detached hook\n   *\n   * @param {Vue} child\n   */\n\n  function callDetach(child) {\n    if (child._isAttached && !inDoc(child.$el)) {\n      child._callHook('detached');\n    }\n  }\n\n  /**\n   * Trigger all handlers for a hook\n   *\n   * @param {String} hook\n   */\n\n  Vue.prototype._callHook = function (hook) {\n    this.$emit('pre-hook:' + hook);\n    var handlers = this.$options[hook];\n    if (handlers) {\n      for (var i = 0, j = handlers.length; i < j; i++) {\n        handlers[i].call(this);\n      }\n    }\n    this.$emit('hook:' + hook);\n  };\n}\n\nfunction noop() {}\n\n/**\n * A directive links a DOM element with a piece of data,\n * which is the result of evaluating an expression.\n * It registers a watcher with the expression and calls\n * the DOM update function when a change is triggered.\n *\n * @param {String} name\n * @param {Node} el\n * @param {Vue} vm\n * @param {Object} descriptor\n *                 - {String} name\n *                 - {Object} def\n *                 - {String} expression\n *                 - {Array<Object>} [filters]\n *                 - {Boolean} literal\n *                 - {String} attr\n *                 - {String} raw\n * @param {Object} def - directive definition object\n * @param {Vue} [host] - transclusion host component\n * @param {Object} [scope] - v-for scope\n * @param {Fragment} [frag] - owner fragment\n * @constructor\n */\nfunction Directive(descriptor, vm, el, host, scope, frag) {\n  this.vm = vm;\n  this.el = el;\n  // copy descriptor properties\n  this.descriptor = descriptor;\n  this.name = descriptor.name;\n  this.expression = descriptor.expression;\n  this.arg = descriptor.arg;\n  this.modifiers = descriptor.modifiers;\n  this.filters = descriptor.filters;\n  this.literal = this.modifiers && this.modifiers.literal;\n  // private\n  this._locked = false;\n  this._bound = false;\n  this._listeners = null;\n  // link context\n  this._host = host;\n  this._scope = scope;\n  this._frag = frag;\n  // store directives on node in dev mode\n  if (process.env.NODE_ENV !== 'production' && this.el) {\n    this.el._vue_directives = this.el._vue_directives || [];\n    this.el._vue_directives.push(this);\n  }\n}\n\n/**\n * Initialize the directive, mixin definition properties,\n * setup the watcher, call definition bind() and update()\n * if present.\n *\n * @param {Object} def\n */\n\nDirective.prototype._bind = function () {\n  var name = this.name;\n  var descriptor = this.descriptor;\n\n  // remove attribute\n  if ((name !== 'cloak' || this.vm._isCompiled) && this.el && this.el.removeAttribute) {\n    var attr = descriptor.attr || 'v-' + name;\n    this.el.removeAttribute(attr);\n  }\n\n  // copy def properties\n  var def = descriptor.def;\n  if (typeof def === 'function') {\n    this.update = def;\n  } else {\n    extend(this, def);\n  }\n\n  // setup directive params\n  this._setupParams();\n\n  // initial bind\n  if (this.bind) {\n    this.bind();\n  }\n  this._bound = true;\n\n  if (this.literal) {\n    this.update && this.update(descriptor.raw);\n  } else if ((this.expression || this.modifiers) && (this.update || this.twoWay) && !this._checkStatement()) {\n    // wrapped updater for context\n    var dir = this;\n    if (this.update) {\n      this._update = function (val, oldVal) {\n        if (!dir._locked) {\n          dir.update(val, oldVal);\n        }\n      };\n    } else {\n      this._update = noop;\n    }\n    var preProcess = this._preProcess ? bind$1(this._preProcess, this) : null;\n    var postProcess = this._postProcess ? bind$1(this._postProcess, this) : null;\n    var watcher = this._watcher = new Watcher(this.vm, this.expression, this._update, // callback\n    {\n      filters: this.filters,\n      twoWay: this.twoWay,\n      deep: this.deep,\n      preProcess: preProcess,\n      postProcess: postProcess,\n      scope: this._scope\n    });\n    // v-model with inital inline value need to sync back to\n    // model instead of update to DOM on init. They would\n    // set the afterBind hook to indicate that.\n    if (this.afterBind) {\n      this.afterBind();\n    } else if (this.update) {\n      this.update(watcher.value);\n    }\n  }\n};\n\n/**\n * Setup all param attributes, e.g. track-by,\n * transition-mode, etc...\n */\n\nDirective.prototype._setupParams = function () {\n  if (!this.params) {\n    return;\n  }\n  var params = this.params;\n  // swap the params array with a fresh object.\n  this.params = Object.create(null);\n  var i = params.length;\n  var key, val, mappedKey;\n  while (i--) {\n    key = params[i];\n    mappedKey = camelize(key);\n    val = getBindAttr(this.el, key);\n    if (val != null) {\n      // dynamic\n      this._setupParamWatcher(mappedKey, val);\n    } else {\n      // static\n      val = getAttr(this.el, key);\n      if (val != null) {\n        this.params[mappedKey] = val === '' ? true : val;\n      }\n    }\n  }\n};\n\n/**\n * Setup a watcher for a dynamic param.\n *\n * @param {String} key\n * @param {String} expression\n */\n\nDirective.prototype._setupParamWatcher = function (key, expression) {\n  var self = this;\n  var called = false;\n  var unwatch = (this._scope || this.vm).$watch(expression, function (val, oldVal) {\n    self.params[key] = val;\n    // since we are in immediate mode,\n    // only call the param change callbacks if this is not the first update.\n    if (called) {\n      var cb = self.paramWatchers && self.paramWatchers[key];\n      if (cb) {\n        cb.call(self, val, oldVal);\n      }\n    } else {\n      called = true;\n    }\n  }, {\n    immediate: true,\n    user: false\n  });(this._paramUnwatchFns || (this._paramUnwatchFns = [])).push(unwatch);\n};\n\n/**\n * Check if the directive is a function caller\n * and if the expression is a callable one. If both true,\n * we wrap up the expression and use it as the event\n * handler.\n *\n * e.g. on-click=\"a++\"\n *\n * @return {Boolean}\n */\n\nDirective.prototype._checkStatement = function () {\n  var expression = this.expression;\n  if (expression && this.acceptStatement && !isSimplePath(expression)) {\n    var fn = parseExpression(expression).get;\n    var scope = this._scope || this.vm;\n    var handler = function handler(e) {\n      scope.$event = e;\n      fn.call(scope, scope);\n      scope.$event = null;\n    };\n    if (this.filters) {\n      handler = scope._applyFilters(handler, null, this.filters);\n    }\n    this.update(handler);\n    return true;\n  }\n};\n\n/**\n * Set the corresponding value with the setter.\n * This should only be used in two-way directives\n * e.g. v-model.\n *\n * @param {*} value\n * @public\n */\n\nDirective.prototype.set = function (value) {\n  /* istanbul ignore else */\n  if (this.twoWay) {\n    this._withLock(function () {\n      this._watcher.set(value);\n    });\n  } else if (process.env.NODE_ENV !== 'production') {\n    warn('Directive.set() can only be used inside twoWay' + 'directives.');\n  }\n};\n\n/**\n * Execute a function while preventing that function from\n * triggering updates on this directive instance.\n *\n * @param {Function} fn\n */\n\nDirective.prototype._withLock = function (fn) {\n  var self = this;\n  self._locked = true;\n  fn.call(self);\n  nextTick(function () {\n    self._locked = false;\n  });\n};\n\n/**\n * Convenience method that attaches a DOM event listener\n * to the directive element and autometically tears it down\n * during unbind.\n *\n * @param {String} event\n * @param {Function} handler\n */\n\nDirective.prototype.on = function (event, handler) {\n  on$1(this.el, event, handler);(this._listeners || (this._listeners = [])).push([event, handler]);\n};\n\n/**\n * Teardown the watcher and call unbind.\n */\n\nDirective.prototype._teardown = function () {\n  if (this._bound) {\n    this._bound = false;\n    if (this.unbind) {\n      this.unbind();\n    }\n    if (this._watcher) {\n      this._watcher.teardown();\n    }\n    var listeners = this._listeners;\n    var i;\n    if (listeners) {\n      i = listeners.length;\n      while (i--) {\n        off(this.el, listeners[i][0], listeners[i][1]);\n      }\n    }\n    var unwatchFns = this._paramUnwatchFns;\n    if (unwatchFns) {\n      i = unwatchFns.length;\n      while (i--) {\n        unwatchFns[i]();\n      }\n    }\n    if (process.env.NODE_ENV !== 'production' && this.el) {\n      this.el._vue_directives.$remove(this);\n    }\n    this.vm = this.el = this._watcher = this._listeners = null;\n  }\n};\n\nfunction lifecycleMixin (Vue) {\n\n  /**\n   * Update v-ref for component.\n   *\n   * @param {Boolean} remove\n   */\n\n  Vue.prototype._updateRef = function (remove) {\n    var ref = this.$options._ref;\n    if (ref) {\n      var refs = (this._scope || this._context).$refs;\n      if (remove) {\n        if (refs[ref] === this) {\n          refs[ref] = null;\n        }\n      } else {\n        refs[ref] = this;\n      }\n    }\n  };\n\n  /**\n   * Transclude, compile and link element.\n   *\n   * If a pre-compiled linker is available, that means the\n   * passed in element will be pre-transcluded and compiled\n   * as well - all we need to do is to call the linker.\n   *\n   * Otherwise we need to call transclude/compile/link here.\n   *\n   * @param {Element} el\n   * @return {Element}\n   */\n\n  Vue.prototype._compile = function (el) {\n    var options = this.$options;\n\n    // transclude and init element\n    // transclude can potentially replace original\n    // so we need to keep reference; this step also injects\n    // the template and caches the original attributes\n    // on the container node and replacer node.\n    var original = el;\n    el = transclude(el, options);\n    this._initElement(el);\n\n    // handle v-pre on root node (#2026)\n    if (el.nodeType === 1 && getAttr(el, 'v-pre') !== null) {\n      return;\n    }\n\n    // root is always compiled per-instance, because\n    // container attrs and props can be different every time.\n    var contextOptions = this._context && this._context.$options;\n    var rootLinker = compileRoot(el, options, contextOptions);\n\n    // compile and link the rest\n    var contentLinkFn;\n    var ctor = this.constructor;\n    // component compilation can be cached\n    // as long as it's not using inline-template\n    if (options._linkerCachable) {\n      contentLinkFn = ctor.linker;\n      if (!contentLinkFn) {\n        contentLinkFn = ctor.linker = compile(el, options);\n      }\n    }\n\n    // link phase\n    // make sure to link root with prop scope!\n    var rootUnlinkFn = rootLinker(this, el, this._scope);\n    var contentUnlinkFn = contentLinkFn ? contentLinkFn(this, el) : compile(el, options)(this, el);\n\n    // register composite unlink function\n    // to be called during instance destruction\n    this._unlinkFn = function () {\n      rootUnlinkFn();\n      // passing destroying: true to avoid searching and\n      // splicing the directives\n      contentUnlinkFn(true);\n    };\n\n    // finally replace original\n    if (options.replace) {\n      replace(original, el);\n    }\n\n    this._isCompiled = true;\n    this._callHook('compiled');\n    return el;\n  };\n\n  /**\n   * Initialize instance element. Called in the public\n   * $mount() method.\n   *\n   * @param {Element} el\n   */\n\n  Vue.prototype._initElement = function (el) {\n    if (el instanceof DocumentFragment) {\n      this._isFragment = true;\n      this.$el = this._fragmentStart = el.firstChild;\n      this._fragmentEnd = el.lastChild;\n      // set persisted text anchors to empty\n      if (this._fragmentStart.nodeType === 3) {\n        this._fragmentStart.data = this._fragmentEnd.data = '';\n      }\n      this._fragment = el;\n    } else {\n      this.$el = el;\n    }\n    this.$el.__vue__ = this;\n    this._callHook('beforeCompile');\n  };\n\n  /**\n   * Create and bind a directive to an element.\n   *\n   * @param {String} name - directive name\n   * @param {Node} node   - target node\n   * @param {Object} desc - parsed directive descriptor\n   * @param {Object} def  - directive definition object\n   * @param {Vue} [host] - transclusion host component\n   * @param {Object} [scope] - v-for scope\n   * @param {Fragment} [frag] - owner fragment\n   */\n\n  Vue.prototype._bindDir = function (descriptor, node, host, scope, frag) {\n    this._directives.push(new Directive(descriptor, this, node, host, scope, frag));\n  };\n\n  /**\n   * Teardown an instance, unobserves the data, unbind all the\n   * directives, turn off all the event listeners, etc.\n   *\n   * @param {Boolean} remove - whether to remove the DOM node.\n   * @param {Boolean} deferCleanup - if true, defer cleanup to\n   *                                 be called later\n   */\n\n  Vue.prototype._destroy = function (remove, deferCleanup) {\n    if (this._isBeingDestroyed) {\n      if (!deferCleanup) {\n        this._cleanup();\n      }\n      return;\n    }\n\n    var destroyReady;\n    var pendingRemoval;\n\n    var self = this;\n    // Cleanup should be called either synchronously or asynchronoysly as\n    // callback of this.$remove(), or if remove and deferCleanup are false.\n    // In any case it should be called after all other removing, unbinding and\n    // turning of is done\n    var cleanupIfPossible = function cleanupIfPossible() {\n      if (destroyReady && !pendingRemoval && !deferCleanup) {\n        self._cleanup();\n      }\n    };\n\n    // remove DOM element\n    if (remove && this.$el) {\n      pendingRemoval = true;\n      this.$remove(function () {\n        pendingRemoval = false;\n        cleanupIfPossible();\n      });\n    }\n\n    this._callHook('beforeDestroy');\n    this._isBeingDestroyed = true;\n    var i;\n    // remove self from parent. only necessary\n    // if parent is not being destroyed as well.\n    var parent = this.$parent;\n    if (parent && !parent._isBeingDestroyed) {\n      parent.$children.$remove(this);\n      // unregister ref (remove: true)\n      this._updateRef(true);\n    }\n    // destroy all children.\n    i = this.$children.length;\n    while (i--) {\n      this.$children[i].$destroy();\n    }\n    // teardown props\n    if (this._propsUnlinkFn) {\n      this._propsUnlinkFn();\n    }\n    // teardown all directives. this also tearsdown all\n    // directive-owned watchers.\n    if (this._unlinkFn) {\n      this._unlinkFn();\n    }\n    i = this._watchers.length;\n    while (i--) {\n      this._watchers[i].teardown();\n    }\n    // remove reference to self on $el\n    if (this.$el) {\n      this.$el.__vue__ = null;\n    }\n\n    destroyReady = true;\n    cleanupIfPossible();\n  };\n\n  /**\n   * Clean up to ensure garbage collection.\n   * This is called after the leave transition if there\n   * is any.\n   */\n\n  Vue.prototype._cleanup = function () {\n    if (this._isDestroyed) {\n      return;\n    }\n    // remove self from owner fragment\n    // do it in cleanup so that we can call $destroy with\n    // defer right when a fragment is about to be removed.\n    if (this._frag) {\n      this._frag.children.$remove(this);\n    }\n    // remove reference from data ob\n    // frozen object may not have observer.\n    if (this._data.__ob__) {\n      this._data.__ob__.removeVm(this);\n    }\n    // Clean up references to private properties and other\n    // instances. preserve reference to _data so that proxy\n    // accessors still work. The only potential side effect\n    // here is that mutating the instance after it's destroyed\n    // may affect the state of other components that are still\n    // observing the same object, but that seems to be a\n    // reasonable responsibility for the user rather than\n    // always throwing an error on them.\n    this.$el = this.$parent = this.$root = this.$children = this._watchers = this._context = this._scope = this._directives = null;\n    // call the last hook...\n    this._isDestroyed = true;\n    this._callHook('destroyed');\n    // turn off all instance listeners.\n    this.$off();\n  };\n}\n\nfunction miscMixin (Vue) {\n\n  /**\n   * Apply a list of filter (descriptors) to a value.\n   * Using plain for loops here because this will be called in\n   * the getter of any watcher with filters so it is very\n   * performance sensitive.\n   *\n   * @param {*} value\n   * @param {*} [oldValue]\n   * @param {Array} filters\n   * @param {Boolean} write\n   * @return {*}\n   */\n\n  Vue.prototype._applyFilters = function (value, oldValue, filters, write) {\n    var filter, fn, args, arg, offset, i, l, j, k;\n    for (i = 0, l = filters.length; i < l; i++) {\n      filter = filters[i];\n      fn = resolveAsset(this.$options, 'filters', filter.name);\n      if (process.env.NODE_ENV !== 'production') {\n        assertAsset(fn, 'filter', filter.name);\n      }\n      if (!fn) continue;\n      fn = write ? fn.write : fn.read || fn;\n      if (typeof fn !== 'function') continue;\n      args = write ? [value, oldValue] : [value];\n      offset = write ? 2 : 1;\n      if (filter.args) {\n        for (j = 0, k = filter.args.length; j < k; j++) {\n          arg = filter.args[j];\n          args[j + offset] = arg.dynamic ? this.$get(arg.value) : arg.value;\n        }\n      }\n      value = fn.apply(this, args);\n    }\n    return value;\n  };\n\n  /**\n   * Resolve a component, depending on whether the component\n   * is defined normally or using an async factory function.\n   * Resolves synchronously if already resolved, otherwise\n   * resolves asynchronously and caches the resolved\n   * constructor on the factory.\n   *\n   * @param {String} id\n   * @param {Function} cb\n   */\n\n  Vue.prototype._resolveComponent = function (id, cb) {\n    var factory = resolveAsset(this.$options, 'components', id);\n    if (process.env.NODE_ENV !== 'production') {\n      assertAsset(factory, 'component', id);\n    }\n    if (!factory) {\n      return;\n    }\n    // async component factory\n    if (!factory.options) {\n      if (factory.resolved) {\n        // cached\n        cb(factory.resolved);\n      } else if (factory.requested) {\n        // pool callbacks\n        factory.pendingCallbacks.push(cb);\n      } else {\n        factory.requested = true;\n        var cbs = factory.pendingCallbacks = [cb];\n        factory(function resolve(res) {\n          if (isPlainObject(res)) {\n            res = Vue.extend(res);\n          }\n          // cache resolved\n          factory.resolved = res;\n          // invoke callbacks\n          for (var i = 0, l = cbs.length; i < l; i++) {\n            cbs[i](res);\n          }\n        }, function reject(reason) {\n          process.env.NODE_ENV !== 'production' && warn('Failed to resolve async component: ' + id + '. ' + (reason ? '\\nReason: ' + reason : ''));\n        });\n      }\n    } else {\n      // normal component\n      cb(factory);\n    }\n  };\n}\n\nfunction globalAPI (Vue) {\n\n  /**\n   * Expose useful internals\n   */\n\n  Vue.util = util;\n  Vue.config = config;\n  Vue.set = set;\n  Vue['delete'] = del;\n  Vue.nextTick = nextTick;\n\n  /**\n   * The following are exposed for advanced usage / plugins\n   */\n\n  Vue.compiler = compiler;\n  Vue.FragmentFactory = FragmentFactory;\n  Vue.internalDirectives = internalDirectives;\n  Vue.parsers = {\n    path: path,\n    text: text$1,\n    template: template,\n    directive: directive,\n    expression: expression\n  };\n\n  /**\n   * Each instance constructor, including Vue, has a unique\n   * cid. This enables us to create wrapped \"child\n   * constructors\" for prototypal inheritance and cache them.\n   */\n\n  Vue.cid = 0;\n  var cid = 1;\n\n  /**\n   * Class inheritance\n   *\n   * @param {Object} extendOptions\n   */\n\n  Vue.extend = function (extendOptions) {\n    extendOptions = extendOptions || {};\n    var Super = this;\n    var isFirstExtend = Super.cid === 0;\n    if (isFirstExtend && extendOptions._Ctor) {\n      return extendOptions._Ctor;\n    }\n    var name = extendOptions.name || Super.options.name;\n    if (process.env.NODE_ENV !== 'production') {\n      if (!/^[a-zA-Z][\\w-]+$/.test(name)) {\n        warn('Invalid component name: ' + name);\n        name = null;\n      }\n    }\n    var Sub = createClass(name || 'VueComponent');\n    Sub.prototype = Object.create(Super.prototype);\n    Sub.prototype.constructor = Sub;\n    Sub.cid = cid++;\n    Sub.options = mergeOptions(Super.options, extendOptions);\n    Sub['super'] = Super;\n    // allow further extension\n    Sub.extend = Super.extend;\n    // create asset registers, so extended classes\n    // can have their private assets too.\n    config._assetTypes.forEach(function (type) {\n      Sub[type] = Super[type];\n    });\n    // enable recursive self-lookup\n    if (name) {\n      Sub.options.components[name] = Sub;\n    }\n    // cache constructor\n    if (isFirstExtend) {\n      extendOptions._Ctor = Sub;\n    }\n    return Sub;\n  };\n\n  /**\n   * A function that returns a sub-class constructor with the\n   * given name. This gives us much nicer output when\n   * logging instances in the console.\n   *\n   * @param {String} name\n   * @return {Function}\n   */\n\n  function createClass(name) {\n    return new Function('return function ' + classify(name) + ' (options) { this._init(options) }')();\n  }\n\n  /**\n   * Plugin system\n   *\n   * @param {Object} plugin\n   */\n\n  Vue.use = function (plugin) {\n    /* istanbul ignore if */\n    if (plugin.installed) {\n      return;\n    }\n    // additional parameters\n    var args = toArray(arguments, 1);\n    args.unshift(this);\n    if (typeof plugin.install === 'function') {\n      plugin.install.apply(plugin, args);\n    } else {\n      plugin.apply(null, args);\n    }\n    plugin.installed = true;\n    return this;\n  };\n\n  /**\n   * Apply a global mixin by merging it into the default\n   * options.\n   */\n\n  Vue.mixin = function (mixin) {\n    Vue.options = mergeOptions(Vue.options, mixin);\n  };\n\n  /**\n   * Create asset registration methods with the following\n   * signature:\n   *\n   * @param {String} id\n   * @param {*} definition\n   */\n\n  config._assetTypes.forEach(function (type) {\n    Vue[type] = function (id, definition) {\n      if (!definition) {\n        return this.options[type + 's'][id];\n      } else {\n        /* istanbul ignore if */\n        if (process.env.NODE_ENV !== 'production') {\n          if (type === 'component' && (commonTagRE.test(id) || reservedTagRE.test(id))) {\n            warn('Do not use built-in or reserved HTML elements as component ' + 'id: ' + id);\n          }\n        }\n        if (type === 'component' && isPlainObject(definition)) {\n          definition.name = id;\n          definition = Vue.extend(definition);\n        }\n        this.options[type + 's'][id] = definition;\n        return definition;\n      }\n    };\n  });\n}\n\nvar filterRE = /[^|]\\|[^|]/;\n\nfunction dataAPI (Vue) {\n\n  /**\n   * Get the value from an expression on this vm.\n   *\n   * @param {String} exp\n   * @param {Boolean} [asStatement]\n   * @return {*}\n   */\n\n  Vue.prototype.$get = function (exp, asStatement) {\n    var res = parseExpression(exp);\n    if (res) {\n      if (asStatement && !isSimplePath(exp)) {\n        var self = this;\n        return function statementHandler() {\n          self.$arguments = toArray(arguments);\n          var result = res.get.call(self, self);\n          self.$arguments = null;\n          return result;\n        };\n      } else {\n        try {\n          return res.get.call(this, this);\n        } catch (e) {}\n      }\n    }\n  };\n\n  /**\n   * Set the value from an expression on this vm.\n   * The expression must be a valid left-hand\n   * expression in an assignment.\n   *\n   * @param {String} exp\n   * @param {*} val\n   */\n\n  Vue.prototype.$set = function (exp, val) {\n    var res = parseExpression(exp, true);\n    if (res && res.set) {\n      res.set.call(this, this, val);\n    }\n  };\n\n  /**\n   * Delete a property on the VM\n   *\n   * @param {String} key\n   */\n\n  Vue.prototype.$delete = function (key) {\n    del(this._data, key);\n  };\n\n  /**\n   * Watch an expression, trigger callback when its\n   * value changes.\n   *\n   * @param {String|Function} expOrFn\n   * @param {Function} cb\n   * @param {Object} [options]\n   *                 - {Boolean} deep\n   *                 - {Boolean} immediate\n   * @return {Function} - unwatchFn\n   */\n\n  Vue.prototype.$watch = function (expOrFn, cb, options) {\n    var vm = this;\n    var parsed;\n    if (typeof expOrFn === 'string') {\n      parsed = parseDirective(expOrFn);\n      expOrFn = parsed.expression;\n    }\n    var watcher = new Watcher(vm, expOrFn, cb, {\n      deep: options && options.deep,\n      sync: options && options.sync,\n      filters: parsed && parsed.filters,\n      user: !options || options.user !== false\n    });\n    if (options && options.immediate) {\n      cb.call(vm, watcher.value);\n    }\n    return function unwatchFn() {\n      watcher.teardown();\n    };\n  };\n\n  /**\n   * Evaluate a text directive, including filters.\n   *\n   * @param {String} text\n   * @param {Boolean} [asStatement]\n   * @return {String}\n   */\n\n  Vue.prototype.$eval = function (text, asStatement) {\n    // check for filters.\n    if (filterRE.test(text)) {\n      var dir = parseDirective(text);\n      // the filter regex check might give false positive\n      // for pipes inside strings, so it's possible that\n      // we don't get any filters here\n      var val = this.$get(dir.expression, asStatement);\n      return dir.filters ? this._applyFilters(val, null, dir.filters) : val;\n    } else {\n      // no filter\n      return this.$get(text, asStatement);\n    }\n  };\n\n  /**\n   * Interpolate a piece of template text.\n   *\n   * @param {String} text\n   * @return {String}\n   */\n\n  Vue.prototype.$interpolate = function (text) {\n    var tokens = parseText(text);\n    var vm = this;\n    if (tokens) {\n      if (tokens.length === 1) {\n        return vm.$eval(tokens[0].value) + '';\n      } else {\n        return tokens.map(function (token) {\n          return token.tag ? vm.$eval(token.value) : token.value;\n        }).join('');\n      }\n    } else {\n      return text;\n    }\n  };\n\n  /**\n   * Log instance data as a plain JS object\n   * so that it is easier to inspect in console.\n   * This method assumes console is available.\n   *\n   * @param {String} [path]\n   */\n\n  Vue.prototype.$log = function (path) {\n    var data = path ? getPath(this._data, path) : this._data;\n    if (data) {\n      data = clean(data);\n    }\n    // include computed fields\n    if (!path) {\n      for (var key in this.$options.computed) {\n        data[key] = clean(this[key]);\n      }\n    }\n    console.log(data);\n  };\n\n  /**\n   * \"clean\" a getter/setter converted object into a plain\n   * object copy.\n   *\n   * @param {Object} - obj\n   * @return {Object}\n   */\n\n  function clean(obj) {\n    return JSON.parse(JSON.stringify(obj));\n  }\n}\n\nfunction domAPI (Vue) {\n\n  /**\n   * Convenience on-instance nextTick. The callback is\n   * auto-bound to the instance, and this avoids component\n   * modules having to rely on the global Vue.\n   *\n   * @param {Function} fn\n   */\n\n  Vue.prototype.$nextTick = function (fn) {\n    nextTick(fn, this);\n  };\n\n  /**\n   * Append instance to target\n   *\n   * @param {Node} target\n   * @param {Function} [cb]\n   * @param {Boolean} [withTransition] - defaults to true\n   */\n\n  Vue.prototype.$appendTo = function (target, cb, withTransition) {\n    return insert(this, target, cb, withTransition, append, appendWithTransition);\n  };\n\n  /**\n   * Prepend instance to target\n   *\n   * @param {Node} target\n   * @param {Function} [cb]\n   * @param {Boolean} [withTransition] - defaults to true\n   */\n\n  Vue.prototype.$prependTo = function (target, cb, withTransition) {\n    target = query(target);\n    if (target.hasChildNodes()) {\n      this.$before(target.firstChild, cb, withTransition);\n    } else {\n      this.$appendTo(target, cb, withTransition);\n    }\n    return this;\n  };\n\n  /**\n   * Insert instance before target\n   *\n   * @param {Node} target\n   * @param {Function} [cb]\n   * @param {Boolean} [withTransition] - defaults to true\n   */\n\n  Vue.prototype.$before = function (target, cb, withTransition) {\n    return insert(this, target, cb, withTransition, beforeWithCb, beforeWithTransition);\n  };\n\n  /**\n   * Insert instance after target\n   *\n   * @param {Node} target\n   * @param {Function} [cb]\n   * @param {Boolean} [withTransition] - defaults to true\n   */\n\n  Vue.prototype.$after = function (target, cb, withTransition) {\n    target = query(target);\n    if (target.nextSibling) {\n      this.$before(target.nextSibling, cb, withTransition);\n    } else {\n      this.$appendTo(target.parentNode, cb, withTransition);\n    }\n    return this;\n  };\n\n  /**\n   * Remove instance from DOM\n   *\n   * @param {Function} [cb]\n   * @param {Boolean} [withTransition] - defaults to true\n   */\n\n  Vue.prototype.$remove = function (cb, withTransition) {\n    if (!this.$el.parentNode) {\n      return cb && cb();\n    }\n    var inDocument = this._isAttached && inDoc(this.$el);\n    // if we are not in document, no need to check\n    // for transitions\n    if (!inDocument) withTransition = false;\n    var self = this;\n    var realCb = function realCb() {\n      if (inDocument) self._callHook('detached');\n      if (cb) cb();\n    };\n    if (this._isFragment) {\n      removeNodeRange(this._fragmentStart, this._fragmentEnd, this, this._fragment, realCb);\n    } else {\n      var op = withTransition === false ? removeWithCb : removeWithTransition;\n      op(this.$el, this, realCb);\n    }\n    return this;\n  };\n\n  /**\n   * Shared DOM insertion function.\n   *\n   * @param {Vue} vm\n   * @param {Element} target\n   * @param {Function} [cb]\n   * @param {Boolean} [withTransition]\n   * @param {Function} op1 - op for non-transition insert\n   * @param {Function} op2 - op for transition insert\n   * @return vm\n   */\n\n  function insert(vm, target, cb, withTransition, op1, op2) {\n    target = query(target);\n    var targetIsDetached = !inDoc(target);\n    var op = withTransition === false || targetIsDetached ? op1 : op2;\n    var shouldCallHook = !targetIsDetached && !vm._isAttached && !inDoc(vm.$el);\n    if (vm._isFragment) {\n      mapNodeRange(vm._fragmentStart, vm._fragmentEnd, function (node) {\n        op(node, target, vm);\n      });\n      cb && cb();\n    } else {\n      op(vm.$el, target, vm, cb);\n    }\n    if (shouldCallHook) {\n      vm._callHook('attached');\n    }\n    return vm;\n  }\n\n  /**\n   * Check for selectors\n   *\n   * @param {String|Element} el\n   */\n\n  function query(el) {\n    return typeof el === 'string' ? document.querySelector(el) : el;\n  }\n\n  /**\n   * Append operation that takes a callback.\n   *\n   * @param {Node} el\n   * @param {Node} target\n   * @param {Vue} vm - unused\n   * @param {Function} [cb]\n   */\n\n  function append(el, target, vm, cb) {\n    target.appendChild(el);\n    if (cb) cb();\n  }\n\n  /**\n   * InsertBefore operation that takes a callback.\n   *\n   * @param {Node} el\n   * @param {Node} target\n   * @param {Vue} vm - unused\n   * @param {Function} [cb]\n   */\n\n  function beforeWithCb(el, target, vm, cb) {\n    before(el, target);\n    if (cb) cb();\n  }\n\n  /**\n   * Remove operation that takes a callback.\n   *\n   * @param {Node} el\n   * @param {Vue} vm - unused\n   * @param {Function} [cb]\n   */\n\n  function removeWithCb(el, vm, cb) {\n    remove(el);\n    if (cb) cb();\n  }\n}\n\nfunction eventsAPI (Vue) {\n\n  /**\n   * Listen on the given `event` with `fn`.\n   *\n   * @param {String} event\n   * @param {Function} fn\n   */\n\n  Vue.prototype.$on = function (event, fn) {\n    (this._events[event] || (this._events[event] = [])).push(fn);\n    modifyListenerCount(this, event, 1);\n    return this;\n  };\n\n  /**\n   * Adds an `event` listener that will be invoked a single\n   * time then automatically removed.\n   *\n   * @param {String} event\n   * @param {Function} fn\n   */\n\n  Vue.prototype.$once = function (event, fn) {\n    var self = this;\n    function on() {\n      self.$off(event, on);\n      fn.apply(this, arguments);\n    }\n    on.fn = fn;\n    this.$on(event, on);\n    return this;\n  };\n\n  /**\n   * Remove the given callback for `event` or all\n   * registered callbacks.\n   *\n   * @param {String} event\n   * @param {Function} fn\n   */\n\n  Vue.prototype.$off = function (event, fn) {\n    var cbs;\n    // all\n    if (!arguments.length) {\n      if (this.$parent) {\n        for (event in this._events) {\n          cbs = this._events[event];\n          if (cbs) {\n            modifyListenerCount(this, event, -cbs.length);\n          }\n        }\n      }\n      this._events = {};\n      return this;\n    }\n    // specific event\n    cbs = this._events[event];\n    if (!cbs) {\n      return this;\n    }\n    if (arguments.length === 1) {\n      modifyListenerCount(this, event, -cbs.length);\n      this._events[event] = null;\n      return this;\n    }\n    // specific handler\n    var cb;\n    var i = cbs.length;\n    while (i--) {\n      cb = cbs[i];\n      if (cb === fn || cb.fn === fn) {\n        modifyListenerCount(this, event, -1);\n        cbs.splice(i, 1);\n        break;\n      }\n    }\n    return this;\n  };\n\n  /**\n   * Trigger an event on self.\n   *\n   * @param {String|Object} event\n   * @return {Boolean} shouldPropagate\n   */\n\n  Vue.prototype.$emit = function (event) {\n    var isSource = typeof event === 'string';\n    event = isSource ? event : event.name;\n    var cbs = this._events[event];\n    var shouldPropagate = isSource || !cbs;\n    if (cbs) {\n      cbs = cbs.length > 1 ? toArray(cbs) : cbs;\n      // this is a somewhat hacky solution to the question raised\n      // in #2102: for an inline component listener like <comp @test=\"doThis\">,\n      // the propagation handling is somewhat broken. Therefore we\n      // need to treat these inline callbacks differently.\n      var hasParentCbs = isSource && cbs.some(function (cb) {\n        return cb._fromParent;\n      });\n      if (hasParentCbs) {\n        shouldPropagate = false;\n      }\n      var args = toArray(arguments, 1);\n      for (var i = 0, l = cbs.length; i < l; i++) {\n        var cb = cbs[i];\n        var res = cb.apply(this, args);\n        if (res === true && (!hasParentCbs || cb._fromParent)) {\n          shouldPropagate = true;\n        }\n      }\n    }\n    return shouldPropagate;\n  };\n\n  /**\n   * Recursively broadcast an event to all children instances.\n   *\n   * @param {String|Object} event\n   * @param {...*} additional arguments\n   */\n\n  Vue.prototype.$broadcast = function (event) {\n    var isSource = typeof event === 'string';\n    event = isSource ? event : event.name;\n    // if no child has registered for this event,\n    // then there's no need to broadcast.\n    if (!this._eventsCount[event]) return;\n    var children = this.$children;\n    var args = toArray(arguments);\n    if (isSource) {\n      // use object event to indicate non-source emit\n      // on children\n      args[0] = { name: event, source: this };\n    }\n    for (var i = 0, l = children.length; i < l; i++) {\n      var child = children[i];\n      var shouldPropagate = child.$emit.apply(child, args);\n      if (shouldPropagate) {\n        child.$broadcast.apply(child, args);\n      }\n    }\n    return this;\n  };\n\n  /**\n   * Recursively propagate an event up the parent chain.\n   *\n   * @param {String} event\n   * @param {...*} additional arguments\n   */\n\n  Vue.prototype.$dispatch = function (event) {\n    var shouldPropagate = this.$emit.apply(this, arguments);\n    if (!shouldPropagate) return;\n    var parent = this.$parent;\n    var args = toArray(arguments);\n    // use object event to indicate non-source emit\n    // on parents\n    args[0] = { name: event, source: this };\n    while (parent) {\n      shouldPropagate = parent.$emit.apply(parent, args);\n      parent = shouldPropagate ? parent.$parent : null;\n    }\n    return this;\n  };\n\n  /**\n   * Modify the listener counts on all parents.\n   * This bookkeeping allows $broadcast to return early when\n   * no child has listened to a certain event.\n   *\n   * @param {Vue} vm\n   * @param {String} event\n   * @param {Number} count\n   */\n\n  var hookRE = /^hook:/;\n  function modifyListenerCount(vm, event, count) {\n    var parent = vm.$parent;\n    // hooks do not get broadcasted so no need\n    // to do bookkeeping for them\n    if (!parent || !count || hookRE.test(event)) return;\n    while (parent) {\n      parent._eventsCount[event] = (parent._eventsCount[event] || 0) + count;\n      parent = parent.$parent;\n    }\n  }\n}\n\nfunction lifecycleAPI (Vue) {\n\n  /**\n   * Set instance target element and kick off the compilation\n   * process. The passed in `el` can be a selector string, an\n   * existing Element, or a DocumentFragment (for block\n   * instances).\n   *\n   * @param {Element|DocumentFragment|string} el\n   * @public\n   */\n\n  Vue.prototype.$mount = function (el) {\n    if (this._isCompiled) {\n      process.env.NODE_ENV !== 'production' && warn('$mount() should be called only once.');\n      return;\n    }\n    el = query(el);\n    if (!el) {\n      el = document.createElement('div');\n    }\n    this._compile(el);\n    this._initDOMHooks();\n    if (inDoc(this.$el)) {\n      this._callHook('attached');\n      ready.call(this);\n    } else {\n      this.$once('hook:attached', ready);\n    }\n    return this;\n  };\n\n  /**\n   * Mark an instance as ready.\n   */\n\n  function ready() {\n    this._isAttached = true;\n    this._isReady = true;\n    this._callHook('ready');\n  }\n\n  /**\n   * Teardown the instance, simply delegate to the internal\n   * _destroy.\n   */\n\n  Vue.prototype.$destroy = function (remove, deferCleanup) {\n    this._destroy(remove, deferCleanup);\n  };\n\n  /**\n   * Partially compile a piece of DOM and return a\n   * decompile function.\n   *\n   * @param {Element|DocumentFragment} el\n   * @param {Vue} [host]\n   * @return {Function}\n   */\n\n  Vue.prototype.$compile = function (el, host, scope, frag) {\n    return compile(el, this.$options, true)(this, el, host, scope, frag);\n  };\n}\n\n/**\n * The exposed Vue constructor.\n *\n * API conventions:\n * - public API methods/properties are prefixed with `$`\n * - internal methods/properties are prefixed with `_`\n * - non-prefixed properties are assumed to be proxied user\n *   data.\n *\n * @constructor\n * @param {Object} [options]\n * @public\n */\n\nfunction Vue(options) {\n  this._init(options);\n}\n\n// install internals\ninitMixin(Vue);\nstateMixin(Vue);\neventsMixin(Vue);\nlifecycleMixin(Vue);\nmiscMixin(Vue);\n\n// install APIs\nglobalAPI(Vue);\ndataAPI(Vue);\ndomAPI(Vue);\neventsAPI(Vue);\nlifecycleAPI(Vue);\n\nvar convertArray = vFor._postProcess;\n\n/**\n * Limit filter for arrays\n *\n * @param {Number} n\n * @param {Number} offset (Decimal expected)\n */\n\nfunction limitBy(arr, n, offset) {\n  offset = offset ? parseInt(offset, 10) : 0;\n  n = toNumber(n);\n  return typeof n === 'number' ? arr.slice(offset, offset + n) : arr;\n}\n\n/**\n * Filter filter for arrays\n *\n * @param {String} search\n * @param {String} [delimiter]\n * @param {String} ...dataKeys\n */\n\nfunction filterBy(arr, search, delimiter) {\n  arr = convertArray(arr);\n  if (search == null) {\n    return arr;\n  }\n  if (typeof search === 'function') {\n    return arr.filter(search);\n  }\n  // cast to lowercase string\n  search = ('' + search).toLowerCase();\n  // allow optional `in` delimiter\n  // because why not\n  var n = delimiter === 'in' ? 3 : 2;\n  // extract and flatten keys\n  var keys = toArray(arguments, n).reduce(function (prev, cur) {\n    return prev.concat(cur);\n  }, []);\n  var res = [];\n  var item, key, val, j;\n  for (var i = 0, l = arr.length; i < l; i++) {\n    item = arr[i];\n    val = item && item.$value || item;\n    j = keys.length;\n    if (j) {\n      while (j--) {\n        key = keys[j];\n        if (key === '$key' && contains(item.$key, search) || contains(getPath(val, key), search)) {\n          res.push(item);\n          break;\n        }\n      }\n    } else if (contains(item, search)) {\n      res.push(item);\n    }\n  }\n  return res;\n}\n\n/**\n * Filter filter for arrays\n *\n * @param {String} sortKey\n * @param {String} reverse\n */\n\nfunction orderBy(arr, sortKey, reverse) {\n  arr = convertArray(arr);\n  if (!sortKey) {\n    return arr;\n  }\n  var order = reverse && reverse < 0 ? -1 : 1;\n  // sort on a copy to avoid mutating original array\n  return arr.slice().sort(function (a, b) {\n    if (sortKey !== '$key') {\n      if (isObject(a) && '$value' in a) a = a.$value;\n      if (isObject(b) && '$value' in b) b = b.$value;\n    }\n    a = isObject(a) ? getPath(a, sortKey) : a;\n    b = isObject(b) ? getPath(b, sortKey) : b;\n    return a === b ? 0 : a > b ? order : -order;\n  });\n}\n\n/**\n * String contain helper\n *\n * @param {*} val\n * @param {String} search\n */\n\nfunction contains(val, search) {\n  var i;\n  if (isPlainObject(val)) {\n    var keys = Object.keys(val);\n    i = keys.length;\n    while (i--) {\n      if (contains(val[keys[i]], search)) {\n        return true;\n      }\n    }\n  } else if (isArray(val)) {\n    i = val.length;\n    while (i--) {\n      if (contains(val[i], search)) {\n        return true;\n      }\n    }\n  } else if (val != null) {\n    return val.toString().toLowerCase().indexOf(search) > -1;\n  }\n}\n\nvar digitsRE = /(\\d{3})(?=\\d)/g;\n\n// asset collections must be a plain object.\nvar filters = {\n\n  orderBy: orderBy,\n  filterBy: filterBy,\n  limitBy: limitBy,\n\n  /**\n   * Stringify value.\n   *\n   * @param {Number} indent\n   */\n\n  json: {\n    read: function read(value, indent) {\n      return typeof value === 'string' ? value : JSON.stringify(value, null, Number(indent) || 2);\n    },\n    write: function write(value) {\n      try {\n        return JSON.parse(value);\n      } catch (e) {\n        return value;\n      }\n    }\n  },\n\n  /**\n   * 'abc' => 'Abc'\n   */\n\n  capitalize: function capitalize(value) {\n    if (!value && value !== 0) return '';\n    value = value.toString();\n    return value.charAt(0).toUpperCase() + value.slice(1);\n  },\n\n  /**\n   * 'abc' => 'ABC'\n   */\n\n  uppercase: function uppercase(value) {\n    return value || value === 0 ? value.toString().toUpperCase() : '';\n  },\n\n  /**\n   * 'AbC' => 'abc'\n   */\n\n  lowercase: function lowercase(value) {\n    return value || value === 0 ? value.toString().toLowerCase() : '';\n  },\n\n  /**\n   * 12345 => $12,345.00\n   *\n   * @param {String} sign\n   */\n\n  currency: function currency(value, _currency) {\n    value = parseFloat(value);\n    if (!isFinite(value) || !value && value !== 0) return '';\n    _currency = _currency != null ? _currency : '$';\n    var stringified = Math.abs(value).toFixed(2);\n    var _int = stringified.slice(0, -3);\n    var i = _int.length % 3;\n    var head = i > 0 ? _int.slice(0, i) + (_int.length > 3 ? ',' : '') : '';\n    var _float = stringified.slice(-3);\n    var sign = value < 0 ? '-' : '';\n    return _currency + sign + head + _int.slice(i).replace(digitsRE, '$1,') + _float;\n  },\n\n  /**\n   * 'item' => 'items'\n   *\n   * @params\n   *  an array of strings corresponding to\n   *  the single, double, triple ... forms of the word to\n   *  be pluralized. When the number to be pluralized\n   *  exceeds the length of the args, it will use the last\n   *  entry in the array.\n   *\n   *  e.g. ['single', 'double', 'triple', 'multiple']\n   */\n\n  pluralize: function pluralize(value) {\n    var args = toArray(arguments, 1);\n    return args.length > 1 ? args[value % 10 - 1] || args[args.length - 1] : args[0] + (value === 1 ? '' : 's');\n  },\n\n  /**\n   * Debounce a handler function.\n   *\n   * @param {Function} handler\n   * @param {Number} delay = 300\n   * @return {Function}\n   */\n\n  debounce: function debounce(handler, delay) {\n    if (!handler) return;\n    if (!delay) {\n      delay = 300;\n    }\n    return _debounce(handler, delay);\n  }\n};\n\nvar partial = {\n\n  priority: PARTIAL,\n\n  params: ['name'],\n\n  // watch changes to name for dynamic partials\n  paramWatchers: {\n    name: function name(value) {\n      vIf.remove.call(this);\n      if (value) {\n        this.insert(value);\n      }\n    }\n  },\n\n  bind: function bind() {\n    this.anchor = createAnchor('v-partial');\n    replace(this.el, this.anchor);\n    this.insert(this.params.name);\n  },\n\n  insert: function insert(id) {\n    var partial = resolveAsset(this.vm.$options, 'partials', id);\n    if (process.env.NODE_ENV !== 'production') {\n      assertAsset(partial, 'partial', id);\n    }\n    if (partial) {\n      this.factory = new FragmentFactory(this.vm, partial);\n      vIf.insert.call(this);\n    }\n  },\n\n  unbind: function unbind() {\n    if (this.frag) {\n      this.frag.destroy();\n    }\n  }\n};\n\n// This is the elementDirective that handles <content>\n// transclusions. It relies on the raw content of an\n// instance being stored as `$options._content` during\n// the transclude phase.\n\n// We are exporting two versions, one for named and one\n// for unnamed, because the unnamed slots must be compiled\n// AFTER all named slots have selected their content. So\n// we need to give them different priorities in the compilation\n// process. (See #1965)\n\nvar slot = {\n\n  priority: SLOT,\n\n  bind: function bind() {\n    var host = this.vm;\n    var raw = host.$options._content;\n    if (!raw) {\n      this.fallback();\n      return;\n    }\n    var context = host._context;\n    var slotName = this.params && this.params.name;\n    if (!slotName) {\n      // Default slot\n      this.tryCompile(extractFragment(raw.childNodes, raw, true), context, host);\n    } else {\n      // Named slot\n      var selector = '[slot=\"' + slotName + '\"]';\n      var nodes = raw.querySelectorAll(selector);\n      if (nodes.length) {\n        this.tryCompile(extractFragment(nodes, raw), context, host);\n      } else {\n        this.fallback();\n      }\n    }\n  },\n\n  tryCompile: function tryCompile(content, context, host) {\n    if (content.hasChildNodes()) {\n      this.compile(content, context, host);\n    } else {\n      this.fallback();\n    }\n  },\n\n  compile: function compile(content, context, host) {\n    if (content && context) {\n      var scope = host ? host._scope : this._scope;\n      this.unlink = context.$compile(content, host, scope, this._frag);\n    }\n    if (content) {\n      replace(this.el, content);\n    } else {\n      remove(this.el);\n    }\n  },\n\n  fallback: function fallback() {\n    this.compile(extractContent(this.el, true), this.vm);\n  },\n\n  unbind: function unbind() {\n    if (this.unlink) {\n      this.unlink();\n    }\n  }\n};\n\nvar namedSlot = extend(extend({}, slot), {\n  priority: slot.priority + 1,\n  params: ['name']\n});\n\n/**\n * Extract qualified content nodes from a node list.\n *\n * @param {NodeList} nodes\n * @param {Element} parent\n * @param {Boolean} main\n * @return {DocumentFragment}\n */\n\nfunction extractFragment(nodes, parent, main) {\n  var frag = document.createDocumentFragment();\n  for (var i = 0, l = nodes.length; i < l; i++) {\n    var node = nodes[i];\n    // if this is the main outlet, we want to skip all\n    // previously selected nodes;\n    // otherwise, we want to mark the node as selected.\n    // clone the node so the original raw content remains\n    // intact. this ensures proper re-compilation in cases\n    // where the outlet is inside a conditional block\n    if (main && !node.__v_selected) {\n      append(node);\n    } else if (!main && node.parentNode === parent) {\n      node.__v_selected = true;\n      append(node);\n    }\n  }\n  return frag;\n\n  function append(node) {\n    if (isTemplate(node) && !node.hasAttribute('v-if') && !node.hasAttribute('v-for')) {\n      node = parseTemplate(node);\n    }\n    node = cloneNode(node);\n    frag.appendChild(node);\n  }\n}\n\nvar elementDirectives = {\n  slot: slot,\n  _namedSlot: namedSlot, // same as slot but with higher priority\n  partial: partial\n};\n\nVue.version = '1.0.15';\n\n/**\n * Vue and every constructor that extends Vue has an\n * associated options object, which can be accessed during\n * compilation steps as `this.constructor.options`.\n *\n * These can be seen as the default options of every\n * Vue instance.\n */\n\nVue.options = {\n  directives: publicDirectives,\n  elementDirectives: elementDirectives,\n  filters: filters,\n  transitions: {},\n  components: {},\n  partials: {},\n  replace: true\n};\n\n// devtools global hook\n/* istanbul ignore if */\nif (process.env.NODE_ENV !== 'production' && inBrowser) {\n  if (window.__VUE_DEVTOOLS_GLOBAL_HOOK__) {\n    window.__VUE_DEVTOOLS_GLOBAL_HOOK__.emit('init', Vue);\n  } else if (/Chrome\\/\\d+/.test(navigator.userAgent)) {\n    console.log('Download the Vue Devtools for a better development experience:\\n' + 'https://github.com/vuejs/vue-devtools');\n  }\n}\n\nmodule.exports = Vue;\n}).call(this,require('_process'))\n},{\"_process\":1}],3:[function(require,module,exports){\nmodule.exports = '<div class=\"rwp-five-stars --rwp-ss\" v-bind:style=\"baseStyle\">\\n\t<div v-bind:style=\"fillStyle\"></div>\\n</div>\t\\n';\n},{}],4:[function(require,module,exports){\n'use strict';\n\nmodule.exports = {\n    template: require('./score-5-star.html'),\n\n    props: ['score', 'min', 'max', 'icon'],\n\n    ready: function ready() {\n        this.score = isNaN(this.score) ? this.min : this.score;\n        this.newScore = this.mapRange(this.score, this.min, this.max, 0, this.stars);\n        this.calculateStyles();\n    },\n\n    data: function data() {\n        return {\n            stars: 5,\n            width: 20,\n            baseStyle: {\n                backgroundImage: '',\n                width: '',\n                height: '',\n                backgroundSize: '',\n                backgroundPosition: ''\n            },\n            fillStyle: {\n                width: '',\n                backgroundSize: '',\n                height: ''\n            },\n            baseWidth: 0,\n            fillWidth: 0,\n            newScore: 0\n        };\n    },\n\n    methods: {\n        calculateStyles: function calculateStyles() {\n            this.baseWidth = this.width * this.stars;\n            this.fillWidth = this.width * this.newScore;\n\n            this.baseStyle.backgroundImage = 'url(' + this.icon + ')';\n            this.baseStyle.width = this.baseWidth + 'px';\n\n            this.fillStyle.width = this.fillWidth + 'px';\n\n            if (this.width != 16) {\n                this.baseStyle.height = this.width + 'px';\n                this.baseStyle.backgroundSize = this.width + 'px';\n                this.baseStyle.backgroundPosition = '0 -' + this.width + 'px';\n\n                this.fillStyle.backgroundSize = this.width + 'px';\n                this.fillStyle.height = this.width + 'px';\n            }\n        },\n\n        mapRange: function mapRange(val, valMin, valMax, newMin, newMax) {\n            return (val - valMin) * (newMax - newMin) / (valMax - valMin) + newMin;\n        }\n    }\n};\n\n},{\"./score-5-star.html\":3}],5:[function(require,module,exports){\nmodule.exports = '<div class=\"rwp-review-criterion --rwp-bs\">\\n\t<div class=\"rwp-review-criterion__labels\">\\n\t\t<span class=\"rwp-review-criterion__label\" v-text=\"label\"></span>\\n\t\t<span class=\"rwp-review-criterion__score\" v-text=\"score\"></span>\\n\t</div><!-- /labels -->\\n\\n\t<div class=\"rwp-review-criterion__bar\">\\n\t\t<span class=\"rwp-review-criterion__base\"><span class=\"rwp-review-criterion__value\" v-bind:style=\"{ width: pct + \\'%\\', backgroundColor: color}\"></span></span>\\n\t</div><!-- /bar -->\t\\n</div><!-- /review criterion -->\t\t\t\t\\n';\n},{}],6:[function(require,module,exports){\n'use strict';\n\nmodule.exports = {\n    template: require('./score-bar.html'),\n\n    props: ['score', 'label', 'min', 'max', 'low', 'high', 'colorLow', 'colorMedium', 'colorHigh'],\n\n    ready: function ready() {\n        this.score = isNaN(this.score) ? this.min : this.score;\n\n        this.pct = this.score / this.max * 100;\n        if (this.pct < this.low) {\n            this.color = this.colorLow;\n        } else if (this.pct > this.high) {\n            this.color = this.colorHigh;\n        } else {\n            this.color = this.colorMedium;\n        }\n    },\n\n    data: function data() {\n        return {\n            color: '#2196f3',\n            pct: 0\n        };\n    },\n\n    methods: {}\n};\n\n},{\"./score-bar.html\":5}],7:[function(require,module,exports){\nmodule.exports = '<div class=\"rwp-review-criterion\">\\n\t<div class=\"rwp-review-criterion__labels\">\\n\t\t<span class=\"rwp-review-criterion__label\" v-text=\"label\"></span>\\n\t</div><!-- /labels -->\\n\\n\t<div class=\"rwp-review-criterion__\">\\n\t\t<div class=\"rwp-five-stars\" v-bind:style=\"baseStyle\">\\n\t\t\t <div v-bind:style=\"fillStyle\"></div>\\n\t  \t</div>\\n\t</div><!-- /bar -->\t\\n</div><!-- /review criterion -->\t\\n';\n},{}],8:[function(require,module,exports){\n'use strict';\n\nmodule.exports = {\n    template: require('./score-star.html'),\n\n    props: ['score', 'label', 'min', 'max', 'icon'],\n\n    ready: function ready() {\n        this.score = isNaN(this.score) ? this.min : this.score;\n        this.newScore = this.mapRange(this.score, this.min, this.max, 0, this.stars);\n        this.calculateStyles();\n    },\n\n    data: function data() {\n        return {\n            stars: 5,\n            width: 16,\n            baseStyle: {\n                backgroundImage: '',\n                width: ''\n            },\n            fillStyle: {\n                width: ''\n            },\n            baseWidth: 0,\n            fillWidth: 0,\n            newScore: 0\n        };\n    },\n\n    methods: {\n        calculateStyles: function calculateStyles() {\n            this.baseWidth = this.width * this.stars;\n            this.fillWidth = this.width * this.newScore;\n\n            this.baseStyle.backgroundImage = 'url(' + this.icon + ')';\n            this.baseStyle.width = this.baseWidth + 'px';\n\n            this.fillStyle.width = this.fillWidth + 'px';\n        },\n\n        mapRange: function mapRange(val, valMin, valMax, newMin, newMax) {\n            return (val - valMin) * (newMax - newMin) / (valMax - valMin) + newMin;\n        }\n    }\n};\n\n},{\"./score-star.html\":7}],9:[function(require,module,exports){\n'use strict';\n\nvar $ = jQuery,\n    Vue = require('vue');\n\nif ($('.rwp-review-wrap').length > 0) {\n\n\tvar UserReviewTracker = Vue.extend({\n\t\ttemplate: '<div></div>',\n\n\t\tprops: [\"highlighted\"],\n\n\t\tready: function ready() {\n\t\t\tif (this.highlighted) {\n\t\t\t\t$('html, body').animate({\n\t\t\t\t\tscrollTop: $(this.$el).offset().top + 'px'\n\t\t\t\t}, 'fast');\n\t\t\t}\n\t\t}\n\t});\n\n\t$('.rwp-review-wrap').each(function () {\n\t\tvar el = '#' + $(this).attr('id');\n\t\tnew Vue({\n\t\t\tel: el,\n\n\t\t\tready: function ready() {\n\t\t\t\tthis.$set('nonce', reviewerQueryURs.ajax_nonce);\n\t\t\t\tthis.$set('nonceJudgeReview', reviewerJudgeObj.ajax_nonce);\n\t\t\t\tthis.$set('url', reviewerQueryURs.ajax_url);\n\t\t\t\tthis.$set('action', reviewerQueryURs.action);\n\t\t\t\tthis.$set('actionJudgeReview', reviewerJudgeObj.action);\n\t\t\t\tthis.$set('postId', this.$el.getAttribute('data-post-id'));\n\t\t\t\tthis.$set('boxId', this.$el.getAttribute('data-box-id'));\n\t\t\t\tthis.$set('templateId', this.$el.getAttribute('data-template-id'));\n\t\t\t\tthis.$set('disabled', parseInt(this.$el.getAttribute('data-disabled')));\n\t\t\t\tthis.$set('shareReviewLinkLabel', this.$el.getAttribute('data-sharing-review-link-label'));\n\t\t\t\tthis.$set('itemsPerPage', parseInt(this.$el.getAttribute('data-per-page')));\n\t\t\t\tthis.$set('toShow', this.itemsPerPage);\n\t\t\t\tif (!this.disabled) {\n\t\t\t\t\t//setTimeout(function(){ \n\t\t\t\t\tthis.queryReviews(true);\n\t\t\t\t\t//}.bind(this), 2000);\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tcomponents: {\n\t\t\t\t'rwp-score-bar': require('./components/score-bar.js'),\n\t\t\t\t'rwp-score-star': require('./components/score-star.js'),\n\t\t\t\t'rwp-score-5-star': require('./components/score-5-star.js'),\n\t\t\t\t'rwp-tracker': UserReviewTracker\n\t\t\t},\n\n\t\t\tdata: {\n\t\t\t\tnonce: '',\n\t\t\t\tnonceJudgeReview: '',\n\t\t\t\turl: '',\n\t\t\t\taction: '',\n\t\t\t\tactionJudgeReview: '',\n\t\t\t\tboxId: 0,\n\t\t\t\tpostId: 0,\n\t\t\t\ttemplateId: '',\n\t\t\t\tdisabled: 0,\n\t\t\t\terrorMsg: '',\n\t\t\t\tsuccess: true,\n\t\t\t\tsorting: 'mostRecent',\n\t\t\t\tsortingField: 'rating_date',\n\t\t\t\tsortingReversed: -1,\n\t\t\t\treviews: [],\n\t\t\t\treviewsOverall: 0,\n\t\t\t\treviewsCount: 0,\n\t\t\t\treviewsCriteria: [],\n\t\t\t\tloading: true,\n\t\t\t\tshareReviewLinkLabel: '',\n\t\t\t\ttoShow: 0,\n\t\t\t\t// Pagination fields\n\t\t\t\tcurrentPage: 0,\n\t\t\t\titemsPerPage: 3,\n\t\t\t\tresultCount: 0,\n\t\t\t\ttotalPages: 5\n\t\t\t},\n\n\t\t\tcomputed: {\n\t\t\t\ttotalPages: function totalPages() {\n\t\t\t\t\treturn Math.ceil(this.resultCount / this.itemsPerPage);\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tfilters: {\n\t\t\t\t// add paginate filter instead limitBy one to enable standard pagination\n\t\t\t\tpaginate: function paginate(list) {\n\t\t\t\t\tthis.resultCount = list.length;\n\t\t\t\t\tif (this.currentPage >= this.totalPages) {\n\t\t\t\t\t\tthis.currentPage = this.totalPages - 1;\n\t\t\t\t\t}\n\t\t\t\t\tvar index = this.currentPage * this.itemsPerPage;\n\t\t\t\t\treturn list.slice(index, index + this.itemsPerPage);\n\t\t\t\t},\n\t\t\t\tnl2br: function nl2br(value) {\n\t\t\t\t\treturn (value + '').replace(/([^>\\r\\n]?)(\\r\\n|\\n\\r|\\r|\\n)/g, '$1' + '<br/>' + '$2');\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tmethods: {\n\t\t\t\tsetPage: function setPage(e, pageNumber) {\n\t\t\t\t\tif (e) {\n\t\t\t\t\t\te.preventDefault();\n\t\t\t\t\t}\n\t\t\t\t\tthis.currentPage = pageNumber;\n\t\t\t\t},\n\t\t\t\tchangePage: function changePage(e, pageNumber) {\n\t\t\t\t\tthis.setPage(e, pageNumber);\n\t\t\t\t\t// var id = '#rwp-toolbar-' + this.boxId + '-' + this.postId;\n\t\t\t\t\t// $('html,body').animate({\n\t\t\t\t\t// \tscrollTop: $(id).offset().top},\n\t\t\t\t\t// 'slow');\n\t\t\t\t},\n\t\t\t\tshowMore: function showMore() {\n\t\t\t\t\tthis.toShow += this.itemsPerPage;\n\t\t\t\t},\n\t\t\t\tjudgeReview: function judgeReview(review, how, user) {\n\t\t\t\t\tvar postData = {\n\t\t\t\t\t\taction: this.actionJudgeReview,\n\t\t\t\t\t\tsecurity: this.nonceJudgeReview,\n\t\t\t\t\t\tbox_id: this.boxId,\n\t\t\t\t\t\tpost_id: this.postId,\n\t\t\t\t\t\trating_id: review.rating_id,\n\t\t\t\t\t\tmethod: parseInt(how) ? 'like' : 'dislike',\n\t\t\t\t\t\tuser_id: user\n\t\t\t\t\t};\n\t\t\t\t\tvar vm = this;\n\t\t\t\t\treview.judging_ok = false;\n\t\t\t\t\treview.judging_failed = false;\n\t\t\t\t\treview.judging_loading = true;\n\t\t\t\t\treview.judging_msg = '';\n\n\t\t\t\t\t$.post(this.url, postData, function (response) {\n\t\t\t\t\t\treview.judging_loading = false;\n\n\t\t\t\t\t\tif (response.success) {\n\t\t\t\t\t\t\treview.judging_ok = true;\n\t\t\t\t\t\t\treview.rating_helpful = response.data.helpful;\n\t\t\t\t\t\t\treview.rating_unhelpful = response.data.unhelpful;\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\treview.judging_failed = true;\n\t\t\t\t\t\t\treview.judging_msg = response.data;\n\t\t\t\t\t\t}\n\t\t\t\t\t}, 'json').fail(function (response) {\n\t\t\t\t\t\treview.judging_loading = false;\n\t\t\t\t\t\treview.judging_failed = true;\n\t\t\t\t\t\treview.judging_msg = 'Internal error :(';\n\t\t\t\t\t});\n\t\t\t\t},\n\t\t\t\tqueryReviews: function queryReviews(checkHighlighted) {\n\t\t\t\t\tvar postData = {\n\t\t\t\t\t\taction: this.action,\n\t\t\t\t\t\tsecurity: this.nonce,\n\t\t\t\t\t\tbox_id: this.boxId,\n\t\t\t\t\t\tpost_id: this.postId,\n\t\t\t\t\t\ttemplate_id: this.templateId\n\t\t\t\t\t};\n\t\t\t\t\tvar vm = this;\n\t\t\t\t\tvm.loading = true;\n\t\t\t\t\t$.post(this.url, postData, function (response) {\n\t\t\t\t\t\tvm.loading = false;\n\t\t\t\t\t\t//console.log(response)\n\t\t\t\t\t\tif (response.success) {\n\t\t\t\t\t\t\tvm.reviews = response.data.reviews;\n\t\t\t\t\t\t\tvm.reviewsCount = response.data.count;\n\t\t\t\t\t\t\tvm.reviewsCriteria = response.data.criteria;\n\t\t\t\t\t\t\tvm.reviewsOverall = response.data.overall;\n\t\t\t\t\t\t\tvm.success = true;\n\t\t\t\t\t\t\t//vm.setPage(null, 0);\n\t\t\t\t\t\t\tif (checkHighlighted) {\n\t\t\t\t\t\t\t\tvm.highlightReview();\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tvm.errorMsg = response.data;\n\t\t\t\t\t\t\tvm.success = false;\n\t\t\t\t\t\t}\n\t\t\t\t\t}, 'json').fail(function (response) {\n\t\t\t\t\t\tvm.loading = false;\n\t\t\t\t\t\tvm.errorMsg = 'Unable to get users reviews: Internal error';\n\t\t\t\t\t\tvm.success = false;\n\t\t\t\t\t});\n\t\t\t\t},\n\t\t\t\thighlightReview: function highlightReview() {\n\t\t\t\t\tvar parm = 'rwpurid',\n\t\t\t\t\t    urid = false;\n\t\t\t\t\tvar query = window.location.search.substring(1);\n\t\t\t\t\tvar vars = query.split(\"&\");\n\n\t\t\t\t\tfor (var i = 0; i < vars.length; i++) {\n\t\t\t\t\t\tvar pair = vars[i].split(\"=\");\n\t\t\t\t\t\tif (pair[0] == parm) {\n\t\t\t\t\t\t\turid = pair[1];\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\tif (urid !== false) {\n\t\t\t\t\t\tfor (var i = 0; i < this.reviews.length; i++) {\n\t\t\t\t\t\t\tif (urid == this.reviews[i].rating_id) {\n\t\t\t\t\t\t\t\tthis.toShow = this.reviews.length;\n\t\t\t\t\t\t\t\tthis.reviews[i].rating_highlighted = true;\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\tsortReviews: function sortReviews(e) {\n\t\t\t\t\tswitch (this.sorting) {\n\t\t\t\t\t\tcase 'topScore':\n\t\t\t\t\t\t\tthis.sortingField = 'rating_overall';\n\t\t\t\t\t\t\tthis.sortingReversed = -1;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mostHelpful':\n\t\t\t\t\t\t\tthis.sortingField = 'rating_helpful';\n\t\t\t\t\t\t\tthis.sortingReversed = -1;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'worstScore':\n\t\t\t\t\t\t\tthis.sortingField = 'rating_overall';\n\t\t\t\t\t\t\tthis.sortingReversed = 0;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mostRecent':\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tthis.sortingField = 'rating_date';\n\t\t\t\t\t\t\tthis.sortingReversed = -1;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t\tthis.setPage(null, 0);\n\t\t\t\t},\n\t\t\t\tshareReview: function shareReview(e, network) {\n\t\t\t\t\tif (network == 'email') {\n\t\t\t\t\t\treturn;\n\t\t\t\t\t}\n\n\t\t\t\t\te.preventDefault();\n\n\t\t\t\t\tif (network == 'link') {\n\t\t\t\t\t\tvar res = prompt(this.shareReviewLinkLabel, e.target.href);\n\t\t\t\t\t} else {\n\t\t\t\t\t\tvar viewportH = $(window).height(),\n\t\t\t\t\t\t    viewportW = $(window).width(),\n\t\t\t\t\t\t    url = e.target.href;\n\n\t\t\t\t\t\tif (viewportW <= 768) {\n\t\t\t\t\t\t\t// Mobile\n\t\t\t\t\t\t\twindow.open(url);\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tvar W = 670,\n\t\t\t\t\t\t\t    H = 360,\n\t\t\t\t\t\t\t    T = (viewportH - H) / 2,\n\t\t\t\t\t\t\t    L = (viewportW - W) / 2;\n\t\t\t\t\t\t\twindow.open(url, '_blank', 'height=' + H + ', width=' + W + ', top=' + T + ', left=' + L + ', menubar=no, resizable=yes, scrollbars=yes, status=no, titlebar=no, toolbar=no');\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\tsubmitUserReview: function submitUserReview(e) {\n\t\t\t\t\tvar form = $(e.target).parent().parent();\n\t\t\t\t\tvar reviewId = form.find('input[name=\"rwp-ur[review-id]\"]').val();\n\t\t\t\t\tvar postId = form.find('input[name=\"rwp-ur[post-id]\"]').val();\n\t\t\t\t\tvar userId = form.find('input[name=\"rwp-ur[user-id]\"]').val();\n\t\t\t\t\tvar mode = form.find('input[name=\"rwp-ur[mode]\"]').val();\n\t\t\t\t\tvar template = form.find('input[name=\"rwp-ur[template]\"]').val();\n\n\t\t\t\t\tvar userName = form.find('input[name=\"rwp-ur[name]\"]').val();\n\t\t\t\t\tuserName = typeof userName === \"undefined\" ? '' : userName;\n\n\t\t\t\t\tvar title = form.find('input[name=\"rwp-ur[review_title]\"]').val();\n\t\t\t\t\ttitle = typeof title === \"undefined\" ? '' : title;\n\n\t\t\t\t\tvar comment = form.find('textarea[name=\"rwp-ur[comment]\"]').val();\n\t\t\t\t\tcomment = typeof comment === \"undefined\" ? '' : comment;\n\n\t\t\t\t\tvar captchaId = '#rwp-recaptcha-' + postId + '-' + reviewId;\n\t\t\t\t\tvar captchaEl = form.find(captchaId);\n\t\t\t\t\tvar captcha = captchaEl.length <= 0 ? false : grecaptcha.getResponse(captchaEl.data('grcid'));\n\t\t\t\t\tvar recaptchaid = captchaEl.length <= 0 ? null : captchaEl.data('grcid');\n\t\t\t\t\tvar email = form.find('input[name=\"rwp-ur[email]\"]').val();\n\t\t\t\t\temail = typeof email === \"undefined\" ? '' : email;\n\n\t\t\t\t\tvar scores;\n\n\t\t\t\t\tswitch (mode) {\n\n\t\t\t\t\t\tcase 'five_stars':\n\t\t\t\t\t\t\t// 5 Stars rating\n\t\t\t\t\t\t\tvar stars = form.find('input.rwp-rating:checked').val();\n\t\t\t\t\t\t\tif (typeof stars === \"undefined\") {\n\t\t\t\t\t\t\t\tstars = form.find('input.rwp-rating2:checked').val();\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tscores = typeof stars === \"undefined\" ? 0 : stars;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'full_five_stars':\n\t\t\t\t\t\t\t// 5 Stars full rating\n\t\t\t\t\t\t\tscores = [];\n\t\t\t\t\t\t\tvar sliders = form.find('input.rwp-rating:checked');\n\t\t\t\t\t\t\tif (sliders.length == 0) {\n\t\t\t\t\t\t\t\tsliders = form.find('input.rwp-rating2:checked');\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif (sliders.length != 0) {\n\t\t\t\t\t\t\t\tsliders.each(function (i) {\n\t\t\t\t\t\t\t\t\tvar obj = {};\n\t\t\t\t\t\t\t\t\tobj.i = $(this).data('index');\n\t\t\t\t\t\t\t\t\tobj.val = $(this).val();\n\t\t\t\t\t\t\t\t\tscores.push(obj);\n\t\t\t\t\t\t\t\t});\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t// Sliders full rating\n\t\t\t\t\t\t\tscores = [];\n\t\t\t\t\t\t\tvar sliders = form.find('.rwp-slider');\n\t\t\t\t\t\t\tif (sliders.length != 0) {\n\t\t\t\t\t\t\t\tsliders.each(function (i) {\n\t\t\t\t\t\t\t\t\tvar obj = {};\n\t\t\t\t\t\t\t\t\tobj.i = $(this).data('index');\n\t\t\t\t\t\t\t\t\tobj.val = $(this).val();\n\t\t\t\t\t\t\t\t\tscores.push(obj);\n\t\t\t\t\t\t\t\t});\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t\tvar postData = {\n\t\t\t\t\t\taction: reviewerRatingObj.action,\n\t\t\t\t\t\tsecurity: reviewerRatingObj.ajax_nonce,\n\t\t\t\t\t\treview_id: reviewId,\n\t\t\t\t\t\tpost_id: postId,\n\t\t\t\t\t\tscores: scores,\n\t\t\t\t\t\tuser_id: userId,\n\t\t\t\t\t\tuser_name: userName,\n\t\t\t\t\t\tuser_email: email,\n\t\t\t\t\t\ttitle: title,\n\t\t\t\t\t\tcomment: comment,\n\t\t\t\t\t\tmethod: mode,\n\t\t\t\t\t\ttemplate: template,\n\t\t\t\t\t\tcaptcha: captcha\n\t\t\t\t\t};\n\n\t\t\t\t\t//console.log(postData);\n\n\t\t\t\t\tvar loader = form.find('.rwp-loader');\n\t\t\t\t\tloader.fadeIn('fast');\n\n\t\t\t\t\tvar vm = this;\n\t\t\t\t\tvar notification = form.parent().parent().find('.rwp-notification');\n\t\t\t\t\tnotification.hide();\n\t\t\t\t\tnotification.html('');\n\n\t\t\t\t\t$.post(reviewerRatingObj.ajax_url, postData, function (response) {\n\n\t\t\t\t\t\t//console.log(response);\n\t\t\t\t\t\tloader.fadeOut('fast');\n\n\t\t\t\t\t\tif (response.success) {\n\t\t\t\t\t\t\tnotification.removeClass('--rwp-notice-with-error').html(response.data.msg).slideDown('fast');\n\n\t\t\t\t\t\t\tsetTimeout(function () {\n\t\t\t\t\t\t\t\tform.parent().slideUp('slow');\n\t\t\t\t\t\t\t}, 1000);\n\n\t\t\t\t\t\t\tif (response.data.code == 200) {\n\t\t\t\t\t\t\t\tvm.queryReviews(false);\n\t\t\t\t\t\t\t\tvm.sorting = 'mostRecent';\n\t\t\t\t\t\t\t\tvm.sortingField = 'rating_date';\n\t\t\t\t\t\t\t\tvm.sortingReversed = -1;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tif (typeof response.data === 'string') {\n\t\t\t\t\t\t\t\tnotification.html(response.data).slideDown('fast');\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\t$.each(response.data, function (i, v) {\n\t\t\t\t\t\t\t\t\tnotification.append(v + '<br/>');\n\t\t\t\t\t\t\t\t});\n\t\t\t\t\t\t\t\tnotification.slideDown('fast');\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif (captcha) {\n\t\t\t\t\t\t\t\tgrecaptcha.reset(recaptchaid);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}, 'json').fail(function (response) {\n\t\t\t\t\t\tloader.fadeOut('fast');\n\t\t\t\t\t\talert('Error during rating process!');\n\t\t\t\t\t});\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\t});\n}\n\n},{\"./components/score-5-star.js\":4,\"./components/score-bar.js\":6,\"./components/score-star.js\":8,\"vue\":2}]},{},[9]);\n"],"file":"reviewer-reviews-boxes.js","sourceRoot":"/source/"}