text:
/******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};
/******/
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/
/******/ 		// Check if module is in cache
/******/ 		if(installedModules[moduleId])
/******/ 			return installedModules[moduleId].exports;
/******/
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = installedModules[moduleId] = {
/******/ 			exports: {},
/******/ 			id: moduleId,
/******/ 			loaded: false
/******/ 		};
/******/
/******/ 		// Execute the module function
/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ 		// Flag the module as loaded
/******/ 		module.loaded = true;
/******/
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/
/******/
/******/ 	// expose the modules object (__webpack_modules__)
/******/ 	__webpack_require__.m = modules;
/******/
/******/ 	// expose the module cache
/******/ 	__webpack_require__.c = installedModules;
/******/
/******/ 	// __webpack_public_path__
/******/ 	__webpack_require__.p = "";
/******/
/******/ 	// Load entry module and return exports
/******/ 	return __webpack_require__(0);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ function(module, exports, __webpack_require__) {

	module.exports = __webpack_require__(3);

/***/ },
/* 1 */,
/* 2 */,
/* 3 */
/***/ function(module, exports, __webpack_require__) {

	var Vue = __webpack_require__(4)
	var vueTouch = __webpack_require__(6)
	Vue.use(vueTouch)

	//全局注册
	Vue.component('home', __webpack_require__(8))

	//根组件
	var Parent = new Vue({
	    el: 'body',
	    data: {
	        currentView:"home"
	    }
	})

	window.Vue = Vue;
	window.Parent = Parent;

/***/ },
/* 4 */
/***/ function(module, exports, __webpack_require__) {

	/* WEBPACK VAR INJECTION */(function(process) {/*!
	 * Vue.js v1.0.15
	 * (c) 2016 Evan You
	 * Released under the MIT License.
	 */
	'use strict';

	function set(obj, key, val) {
	  if (hasOwn(obj, key)) {
	    obj[key] = val;
	    return;
	  }
	  if (obj._isVue) {
	    set(obj._data, key, val);
	    return;
	  }
	  var ob = obj.__ob__;
	  if (!ob) {
	    obj[key] = val;
	    return;
	  }
	  ob.convert(key, val);
	  ob.dep.notify();
	  if (ob.vms) {
	    var i = ob.vms.length;
	    while (i--) {
	      var vm = ob.vms[i];
	      vm._proxy(key);
	      vm._digest();
	    }
	  }
	  return val;
	}

	/**
	 * Delete a property and trigger change if necessary.
	 *
	 * @param {Object} obj
	 * @param {String} key
	 */

	function del(obj, key) {
	  if (!hasOwn(obj, key)) {
	    return;
	  }
	  delete obj[key];
	  var ob = obj.__ob__;
	  if (!ob) {
	    return;
	  }
	  ob.dep.notify();
	  if (ob.vms) {
	    var i = ob.vms.length;
	    while (i--) {
	      var vm = ob.vms[i];
	      vm._unproxy(key);
	      vm._digest();
	    }
	  }
	}

	var hasOwnProperty = Object.prototype.hasOwnProperty;
	/**
	 * Check whether the object has the property.
	 *
	 * @param {Object} obj
	 * @param {String} key
	 * @return {Boolean}
	 */

	function hasOwn(obj, key) {
	  return hasOwnProperty.call(obj, key);
	}

	/**
	 * Check if an expression is a literal value.
	 *
	 * @param {String} exp
	 * @return {Boolean}
	 */

	var literalValueRE = /^\s?(true|false|[\d\.]+|'[^']*'|"[^"]*")\s?$/;

	function isLiteral(exp) {
	  return literalValueRE.test(exp);
	}

	/**
	 * Check if a string starts with $ or _
	 *
	 * @param {String} str
	 * @return {Boolean}
	 */

	function isReserved(str) {
	  var c = (str + '').charCodeAt(0);
	  return c === 0x24 || c === 0x5F;
	}

	/**
	 * Guard text output, make sure undefined outputs
	 * empty string
	 *
	 * @param {*} value
	 * @return {String}
	 */

	function _toString(value) {
	  return value == null ? '' : value.toString();
	}

	/**
	 * Check and convert possible numeric strings to numbers
	 * before setting back to data
	 *
	 * @param {*} value
	 * @return {*|Number}
	 */

	function toNumber(value) {
	  if (typeof value !== 'string') {
	    return value;
	  } else {
	    var parsed = Number(value);
	    return isNaN(parsed) ? value : parsed;
	  }
	}

	/**
	 * Convert string boolean literals into real booleans.
	 *
	 * @param {*} value
	 * @return {*|Boolean}
	 */

	function toBoolean(value) {
	  return value === 'true' ? true : value === 'false' ? false : value;
	}

	/**
	 * Strip quotes from a string
	 *
	 * @param {String} str
	 * @return {String | false}
	 */

	function stripQuotes(str) {
	  var a = str.charCodeAt(0);
	  var b = str.charCodeAt(str.length - 1);
	  return a === b && (a === 0x22 || a === 0x27) ? str.slice(1, -1) : str;
	}

	/**
	 * Camelize a hyphen-delmited string.
	 *
	 * @param {String} str
	 * @return {String}
	 */

	var camelizeRE = /-(\w)/g;

	function camelize(str) {
	  return str.replace(camelizeRE, toUpper);
	}

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

	/**
	 * Hyphenate a camelCase string.
	 *
	 * @param {String} str
	 * @return {String}
	 */

	var hyphenateRE = /([a-z\d])([A-Z])/g;

	function hyphenate(str) {
	  return str.replace(hyphenateRE, '$1-$2').toLowerCase();
	}

	/**
	 * Converts hyphen/underscore/slash delimitered names into
	 * camelized classNames.
	 *
	 * e.g. my-component => MyComponent
	 *      some_else    => SomeElse
	 *      some/comp    => SomeComp
	 *
	 * @param {String} str
	 * @return {String}
	 */

	var classifyRE = /(?:^|[-_\/])(\w)/g;

	function classify(str) {
	  return str.replace(classifyRE, toUpper);
	}

	/**
	 * Simple bind, faster than native
	 *
	 * @param {Function} fn
	 * @param {Object} ctx
	 * @return {Function}
	 */

	function bind$1(fn, ctx) {
	  return function (a) {
	    var l = arguments.length;
	    return l ? l > 1 ? fn.apply(ctx, arguments) : fn.call(ctx, a) : fn.call(ctx);
	  };
	}

	/**
	 * Convert an Array-like object to a real Array.
	 *
	 * @param {Array-like} list
	 * @param {Number} [start] - start index
	 * @return {Array}
	 */

	function toArray(list, start) {
	  start = start || 0;
	  var i = list.length - start;
	  var ret = new Array(i);
	  while (i--) {
	    ret[i] = list[i + start];
	  }
	  return ret;
	}

	/**
	 * Mix properties into target object.
	 *
	 * @param {Object} to
	 * @param {Object} from
	 */

	function extend(to, from) {
	  var keys = Object.keys(from);
	  var i = keys.length;
	  while (i--) {
	    to[keys[i]] = from[keys[i]];
	  }
	  return to;
	}

	/**
	 * Quick object check - this is primarily used to tell
	 * Objects from primitive values when we know the value
	 * is a JSON-compliant type.
	 *
	 * @param {*} obj
	 * @return {Boolean}
	 */

	function isObject(obj) {
	  return obj !== null && typeof obj === 'object';
	}

	/**
	 * Strict object type check. Only returns true
	 * for plain JavaScript objects.
	 *
	 * @param {*} obj
	 * @return {Boolean}
	 */

	var toString = Object.prototype.toString;
	var OBJECT_STRING = '[object Object]';

	function isPlainObject(obj) {
	  return toString.call(obj) === OBJECT_STRING;
	}

	/**
	 * Array type check.
	 *
	 * @param {*} obj
	 * @return {Boolean}
	 */

	var isArray = Array.isArray;

	/**
	 * Define a non-enumerable property
	 *
	 * @param {Object} obj
	 * @param {String} key
	 * @param {*} val
	 * @param {Boolean} [enumerable]
	 */

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

	/**
	 * Debounce a function so it only gets called after the
	 * input stops arriving after the given wait period.
	 *
	 * @param {Function} func
	 * @param {Number} wait
	 * @return {Function} - the debounced function
	 */

	function _debounce(func, wait) {
	  var timeout, args, context, timestamp, result;
	  var later = function later() {
	    var last = Date.now() - timestamp;
	    if (last < wait && last >= 0) {
	      timeout = setTimeout(later, wait - last);
	    } else {
	      timeout = null;
	      result = func.apply(context, args);
	      if (!timeout) context = args = null;
	    }
	  };
	  return function () {
	    context = this;
	    args = arguments;
	    timestamp = Date.now();
	    if (!timeout) {
	      timeout = setTimeout(later, wait);
	    }
	    return result;
	  };
	}

	/**
	 * Manual indexOf because it's slightly faster than
	 * native.
	 *
	 * @param {Array} arr
	 * @param {*} obj
	 */

	function indexOf(arr, obj) {
	  var i = arr.length;
	  while (i--) {
	    if (arr[i] === obj) return i;
	  }
	  return -1;
	}

	/**
	 * Make a cancellable version of an async callback.
	 *
	 * @param {Function} fn
	 * @return {Function}
	 */

	function cancellable(fn) {
	  var cb = function cb() {
	    if (!cb.cancelled) {
	      return fn.apply(this, arguments);
	    }
	  };
	  cb.cancel = function () {
	    cb.cancelled = true;
	  };
	  return cb;
	}

	/**
	 * Check if two values are loosely equal - that is,
	 * if they are plain objects, do they have the same shape?
	 *
	 * @param {*} a
	 * @param {*} b
	 * @return {Boolean}
	 */

	function looseEqual(a, b) {
	  /* eslint-disable eqeqeq */
	  return a == b || (isObject(a) && isObject(b) ? JSON.stringify(a) === JSON.stringify(b) : false);
	  /* eslint-enable eqeqeq */
	}

	var hasProto = ('__proto__' in {});

	// Browser environment sniffing
	var inBrowser = typeof window !== 'undefined' && Object.prototype.toString.call(window) !== '[object Object]';

	var isIE9 = inBrowser && navigator.userAgent.toLowerCase().indexOf('msie 9.0') > 0;

	var isAndroid = inBrowser && navigator.userAgent.toLowerCase().indexOf('android') > 0;

	var transitionProp = undefined;
	var transitionEndEvent = undefined;
	var animationProp = undefined;
	var animationEndEvent = undefined;

	// Transition property/event sniffing
	if (inBrowser && !isIE9) {
	  var isWebkitTrans = window.ontransitionend === undefined && window.onwebkittransitionend !== undefined;
	  var isWebkitAnim = window.onanimationend === undefined && window.onwebkitanimationend !== undefined;
	  transitionProp = isWebkitTrans ? 'WebkitTransition' : 'transition';
	  transitionEndEvent = isWebkitTrans ? 'webkitTransitionEnd' : 'transitionend';
	  animationProp = isWebkitAnim ? 'WebkitAnimation' : 'animation';
	  animationEndEvent = isWebkitAnim ? 'webkitAnimationEnd' : 'animationend';
	}

	/**
	 * Defer a task to execute it asynchronously. Ideally this
	 * should be executed as a microtask, so we leverage
	 * MutationObserver if it's available, and fallback to
	 * setTimeout(0).
	 *
	 * @param {Function} cb
	 * @param {Object} ctx
	 */

	var nextTick = (function () {
	  var callbacks = [];
	  var pending = false;
	  var timerFunc;
	  function nextTickHandler() {
	    pending = false;
	    var copies = callbacks.slice(0);
	    callbacks = [];
	    for (var i = 0; i < copies.length; i++) {
	      copies[i]();
	    }
	  }
	  /* istanbul ignore if */
	  if (typeof MutationObserver !== 'undefined') {
	    var counter = 1;
	    var observer = new MutationObserver(nextTickHandler);
	    var textNode = document.createTextNode(counter);
	    observer.observe(textNode, {
	      characterData: true
	    });
	    timerFunc = function () {
	      counter = (counter + 1) % 2;
	      textNode.data = counter;
	    };
	  } else {
	    timerFunc = setTimeout;
	  }
	  return function (cb, ctx) {
	    var func = ctx ? function () {
	      cb.call(ctx);
	    } : cb;
	    callbacks.push(func);
	    if (pending) return;
	    pending = true;
	    timerFunc(nextTickHandler, 0);
	  };
	})();

	function Cache(limit) {
	  this.size = 0;
	  this.limit = limit;
	  this.head = this.tail = undefined;
	  this._keymap = Object.create(null);
	}

	var p = Cache.prototype;

	/**
	 * Put <value> into the cache associated with <key>.
	 * Returns the entry which was removed to make room for
	 * the new entry. Otherwise undefined is returned.
	 * (i.e. if there was enough room already).
	 *
	 * @param {String} key
	 * @param {*} value
	 * @return {Entry|undefined}
	 */

	p.put = function (key, value) {
	  var removed;
	  if (this.size === this.limit) {
	    removed = this.shift();
	  }

	  var entry = this.get(key, true);
	  if (!entry) {
	    entry = {
	      key: key
	    };
	    this._keymap[key] = entry;
	    if (this.tail) {
	      this.tail.newer = entry;
	      entry.older = this.tail;
	    } else {
	      this.head = entry;
	    }
	    this.tail = entry;
	    this.size++;
	  }
	  entry.value = value;

	  return removed;
	};

	/**
	 * Purge the least recently used (oldest) entry from the
	 * cache. Returns the removed entry or undefined if the
	 * cache was empty.
	 */

	p.shift = function () {
	  var entry = this.head;
	  if (entry) {
	    this.head = this.head.newer;
	    this.head.older = undefined;
	    entry.newer = entry.older = undefined;
	    this._keymap[entry.key] = undefined;
	    this.size--;
	  }
	  return entry;
	};

	/**
	 * Get and register recent use of <key>. Returns the value
	 * associated with <key> or undefined if not in cache.
	 *
	 * @param {String} key
	 * @param {Boolean} returnEntry
	 * @return {Entry|*}
	 */

	p.get = function (key, returnEntry) {
	  var entry = this._keymap[key];
	  if (entry === undefined) return;
	  if (entry === this.tail) {
	    return returnEntry ? entry : entry.value;
	  }
	  // HEAD--------------TAIL
	  //   <.older   .newer>
	  //  <--- add direction --
	  //   A  B  C  <D>  E
	  if (entry.newer) {
	    if (entry === this.head) {
	      this.head = entry.newer;
	    }
	    entry.newer.older = entry.older; // C <-- E.
	  }
	  if (entry.older) {
	    entry.older.newer = entry.newer; // C. --> E
	  }
	  entry.newer = undefined; // D --x
	  entry.older = this.tail; // D. --> E
	  if (this.tail) {
	    this.tail.newer = entry; // E. <-- D
	  }
	  this.tail = entry;
	  return returnEntry ? entry : entry.value;
	};

	var cache$1 = new Cache(1000);
	var filterTokenRE = /[^\s'"]+|'[^']*'|"[^"]*"/g;
	var reservedArgRE = /^in$|^-?\d+/;

	/**
	 * Parser state
	 */

	var str;
	var dir;
	var c;
	var prev;
	var i;
	var l;
	var lastFilterIndex;
	var inSingle;
	var inDouble;
	var curly;
	var square;
	var paren;
	/**
	 * Push a filter to the current directive object
	 */

	function pushFilter() {
	  var exp = str.slice(lastFilterIndex, i).trim();
	  var filter;
	  if (exp) {
	    filter = {};
	    var tokens = exp.match(filterTokenRE);
	    filter.name = tokens[0];
	    if (tokens.length > 1) {
	      filter.args = tokens.slice(1).map(processFilterArg);
	    }
	  }
	  if (filter) {
	    (dir.filters = dir.filters || []).push(filter);
	  }
	  lastFilterIndex = i + 1;
	}

	/**
	 * Check if an argument is dynamic and strip quotes.
	 *
	 * @param {String} arg
	 * @return {Object}
	 */

	function processFilterArg(arg) {
	  if (reservedArgRE.test(arg)) {
	    return {
	      value: toNumber(arg),
	      dynamic: false
	    };
	  } else {
	    var stripped = stripQuotes(arg);
	    var dynamic = stripped === arg;
	    return {
	      value: dynamic ? arg : stripped,
	      dynamic: dynamic
	    };
	  }
	}

	/**
	 * Parse a directive value and extract the expression
	 * and its filters into a descriptor.
	 *
	 * Example:
	 *
	 * "a + 1 | uppercase" will yield:
	 * {
	 *   expression: 'a + 1',
	 *   filters: [
	 *     { name: 'uppercase', args: null }
	 *   ]
	 * }
	 *
	 * @param {String} str
	 * @return {Object}
	 */

	function parseDirective(s) {

	  var hit = cache$1.get(s);
	  if (hit) {
	    return hit;
	  }

	  // reset parser state
	  str = s;
	  inSingle = inDouble = false;
	  curly = square = paren = 0;
	  lastFilterIndex = 0;
	  dir = {};

	  for (i = 0, l = str.length; i < l; i++) {
	    prev = c;
	    c = str.charCodeAt(i);
	    if (inSingle) {
	      // check single quote
	      if (c === 0x27 && prev !== 0x5C) inSingle = !inSingle;
	    } else if (inDouble) {
	      // check double quote
	      if (c === 0x22 && prev !== 0x5C) inDouble = !inDouble;
	    } else if (c === 0x7C && // pipe
	    str.charCodeAt(i + 1) !== 0x7C && str.charCodeAt(i - 1) !== 0x7C) {
	      if (dir.expression == null) {
	        // first filter, end of expression
	        lastFilterIndex = i + 1;
	        dir.expression = str.slice(0, i).trim();
	      } else {
	        // already has filter
	        pushFilter();
	      }
	    } else {
	      switch (c) {
	        case 0x22:
	          inDouble = true;break; // "
	        case 0x27:
	          inSingle = true;break; // '
	        case 0x28:
	          paren++;break; // (
	        case 0x29:
	          paren--;break; // )
	        case 0x5B:
	          square++;break; // [
	        case 0x5D:
	          square--;break; // ]
	        case 0x7B:
	          curly++;break; // {
	        case 0x7D:
	          curly--;break; // }
	      }
	    }
	  }

	  if (dir.expression == null) {
	    dir.expression = str.slice(0, i).trim();
	  } else if (lastFilterIndex !== 0) {
	    pushFilter();
	  }

	  cache$1.put(s, dir);
	  return dir;
	}

	var directive = Object.freeze({
	  parseDirective: parseDirective
	});

	var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;
	var cache = undefined;
	var tagRE = undefined;
	var htmlRE = undefined;
	/**
	 * Escape a string so it can be used in a RegExp
	 * constructor.
	 *
	 * @param {String} str
	 */

	function escapeRegex(str) {
	  return str.replace(regexEscapeRE, '\\$&');
	}

	function compileRegex() {
	  var open = escapeRegex(config.delimiters[0]);
	  var close = escapeRegex(config.delimiters[1]);
	  var unsafeOpen = escapeRegex(config.unsafeDelimiters[0]);
	  var unsafeClose = escapeRegex(config.unsafeDelimiters[1]);
	  tagRE = new RegExp(unsafeOpen + '(.+?)' + unsafeClose + '|' + open + '(.+?)' + close, 'g');
	  htmlRE = new RegExp('^' + unsafeOpen + '.*' + unsafeClose + '$');
	  // reset cache
	  cache = new Cache(1000);
	}

	/**
	 * Parse a template text string into an array of tokens.
	 *
	 * @param {String} text
	 * @return {Array<Object> | null}
	 *               - {String} type
	 *               - {String} value
	 *               - {Boolean} [html]
	 *               - {Boolean} [oneTime]
	 */

	function parseText(text) {
	  if (!cache) {
	    compileRegex();
	  }
	  var hit = cache.get(text);
	  if (hit) {
	    return hit;
	  }
	  text = text.replace(/\n/g, '');
	  if (!tagRE.test(text)) {
	    return null;
	  }
	  var tokens = [];
	  var lastIndex = tagRE.lastIndex = 0;
	  var match, index, html, value, first, oneTime;
	  /* eslint-disable no-cond-assign */
	  while (match = tagRE.exec(text)) {
	    /* eslint-enable no-cond-assign */
	    index = match.index;
	    // push text token
	    if (index > lastIndex) {
	      tokens.push({
	        value: text.slice(lastIndex, index)
	      });
	    }
	    // tag token
	    html = htmlRE.test(match[0]);
	    value = html ? match[1] : match[2];
	    first = value.charCodeAt(0);
	    oneTime = first === 42; // *
	    value = oneTime ? value.slice(1) : value;
	    tokens.push({
	      tag: true,
	      value: value.trim(),
	      html: html,
	      oneTime: oneTime
	    });
	    lastIndex = index + match[0].length;
	  }
	  if (lastIndex < text.length) {
	    tokens.push({
	      value: text.slice(lastIndex)
	    });
	  }
	  cache.put(text, tokens);
	  return tokens;
	}

	/**
	 * Format a list of tokens into an expression.
	 * e.g. tokens parsed from 'a {{b}} c' can be serialized
	 * into one single expression as '"a " + b + " c"'.
	 *
	 * @param {Array} tokens
	 * @param {Vue} [vm]
	 * @return {String}
	 */

	function tokensToExp(tokens, vm) {
	  if (tokens.length > 1) {
	    return tokens.map(function (token) {
	      return formatToken(token, vm);
	    }).join('+');
	  } else {
	    return formatToken(tokens[0], vm, true);
	  }
	}

	/**
	 * Format a single token.
	 *
	 * @param {Object} token
	 * @param {Vue} [vm]
	 * @param {Boolean} [single]
	 * @return {String}
	 */

	function formatToken(token, vm, single) {
	  return token.tag ? token.oneTime && vm ? '"' + vm.$eval(token.value) + '"' : inlineFilters(token.value, single) : '"' + token.value + '"';
	}

	/**
	 * For an attribute with multiple interpolation tags,
	 * e.g. attr="some-{{thing | filter}}", in order to combine
	 * the whole thing into a single watchable expression, we
	 * have to inline those filters. This function does exactly
	 * that. This is a bit hacky but it avoids heavy changes
	 * to directive parser and watcher mechanism.
	 *
	 * @param {String} exp
	 * @param {Boolean} single
	 * @return {String}
	 */

	var filterRE$1 = /[^|]\|[^|]/;
	function inlineFilters(exp, single) {
	  if (!filterRE$1.test(exp)) {
	    return single ? exp : '(' + exp + ')';
	  } else {
	    var dir = parseDirective(exp);
	    if (!dir.filters) {
	      return '(' + exp + ')';
	    } else {
	      return 'this._applyFilters(' + dir.expression + // value
	      ',null,' + // oldValue (null for read)
	      JSON.stringify(dir.filters) + // filter descriptors
	      ',false)'; // write?
	    }
	  }
	}

	var text$1 = Object.freeze({
	  compileRegex: compileRegex,
	  parseText: parseText,
	  tokensToExp: tokensToExp
	});

	var delimiters = ['{{', '}}'];
	var unsafeDelimiters = ['{{{', '}}}'];

	var config = Object.defineProperties({

	  /**
	   * Whether to print debug messages.
	   * Also enables stack trace for warnings.
	   *
	   * @type {Boolean}
	   */

	  debug: false,

	  /**
	   * Whether to suppress warnings.
	   *
	   * @type {Boolean}
	   */

	  silent: false,

	  /**
	   * Whether to use async rendering.
	   */

	  async: true,

	  /**
	   * Whether to warn against errors caught when evaluating
	   * expressions.
	   */

	  warnExpressionErrors: true,

	  /**
	   * Whether or not to handle fully object properties which
	   * are already backed by getters and seters. Depending on
	   * use case and environment, this might introduce non-neglible
	   * performance penalties.
	   */
	  convertAllProperties: false,

	  /**
	   * Internal flag to indicate the delimiters have been
	   * changed.
	   *
	   * @type {Boolean}
	   */

	  _delimitersChanged: true,

	  /**
	   * List of asset types that a component can own.
	   *
	   * @type {Array}
	   */

	  _assetTypes: ['component', 'directive', 'elementDirective', 'filter', 'transition', 'partial'],

	  /**
	   * prop binding modes
	   */

	  _propBindingModes: {
	    ONE_WAY: 0,
	    TWO_WAY: 1,
	    ONE_TIME: 2
	  },

	  /**
	   * Max circular updates allowed in a batcher flush cycle.
	   */

	  _maxUpdateCount: 100

	}, {
	  delimiters: { /**
	                 * Interpolation delimiters. Changing these would trigger
	                 * the text parser to re-compile the regular expressions.
	                 *
	                 * @type {Array<String>}
	                 */

	    get: function get() {
	      return delimiters;
	    },
	    set: function set(val) {
	      delimiters = val;
	      compileRegex();
	    },
	    configurable: true,
	    enumerable: true
	  },
	  unsafeDelimiters: {
	    get: function get() {
	      return unsafeDelimiters;
	    },
	    set: function set(val) {
	      unsafeDelimiters = val;
	      compileRegex();
	    },
	    configurable: true,
	    enumerable: true
	  }
	});

	var warn = undefined;

	if (process.env.NODE_ENV !== 'production') {
	  (function () {
	    var hasConsole = typeof console !== 'undefined';
	    warn = function (msg, e) {
	      if (hasConsole && (!config.silent || config.debug)) {
	        console.warn('[Vue warn]: ' + msg);
	        /* istanbul ignore if */
	        if (config.debug) {
	          if (e) {
	            throw e;
	          } else {
	            console.warn(new Error('Warning Stack Trace').stack);
	          }
	        }
	      }
	    };
	  })();
	}

	/**
	 * Append with transition.
	 *
	 * @param {Element} el
	 * @param {Element} target
	 * @param {Vue} vm
	 * @param {Function} [cb]
	 */

	function appendWithTransition(el, target, vm, cb) {
	  applyTransition(el, 1, function () {
	    target.appendChild(el);
	  }, vm, cb);
	}

	/**
	 * InsertBefore with transition.
	 *
	 * @param {Element} el
	 * @param {Element} target
	 * @param {Vue} vm
	 * @param {Function} [cb]
	 */

	function beforeWithTransition(el, target, vm, cb) {
	  applyTransition(el, 1, function () {
	    before(el, target);
	  }, vm, cb);
	}

	/**
	 * Remove with transition.
	 *
	 * @param {Element} el
	 * @param {Vue} vm
	 * @param {Function} [cb]
	 */

	function removeWithTransition(el, vm, cb) {
	  applyTransition(el, -1, function () {
	    remove(el);
	  }, vm, cb);
	}

	/**
	 * Apply transitions with an operation callback.
	 *
	 * @param {Element} el
	 * @param {Number} direction
	 *                  1: enter
	 *                 -1: leave
	 * @param {Function} op - the actual DOM operation
	 * @param {Vue} vm
	 * @param {Function} [cb]
	 */

	function applyTransition(el, direction, op, vm, cb) {
	  var transition = el.__v_trans;
	  if (!transition ||
	  // skip if there are no js hooks and CSS transition is
	  // not supported
	  !transition.hooks && !transitionEndEvent ||
	  // skip transitions for initial compile
	  !vm._isCompiled ||
	  // if the vm is being manipulated by a parent directive
	  // during the parent's compilation phase, skip the
	  // animation.
	  vm.$parent && !vm.$parent._isCompiled) {
	    op();
	    if (cb) cb();
	    return;
	  }
	  var action = direction > 0 ? 'enter' : 'leave';
	  transition[action](op, cb);
	}

	/**
	 * Query an element selector if it's not an element already.
	 *
	 * @param {String|Element} el
	 * @return {Element}
	 */

	function query(el) {
	  if (typeof el === 'string') {
	    var selector = el;
	    el = document.querySelector(el);
	    if (!el) {
	      process.env.NODE_ENV !== 'production' && warn('Cannot find element: ' + selector);
	    }
	  }
	  return el;
	}

	/**
	 * Check if a node is in the document.
	 * Note: document.documentElement.contains should work here
	 * but always returns false for comment nodes in phantomjs,
	 * making unit tests difficult. This is fixed by doing the
	 * contains() check on the node's parentNode instead of
	 * the node itself.
	 *
	 * @param {Node} node
	 * @return {Boolean}
	 */

	function inDoc(node) {
	  var doc = document.documentElement;
	  var parent = node && node.parentNode;
	  return doc === node || doc === parent || !!(parent && parent.nodeType === 1 && doc.contains(parent));
	}

	/**
	 * Get and remove an attribute from a node.
	 *
	 * @param {Node} node
	 * @param {String} _attr
	 */

	function getAttr(node, _attr) {
	  var val = node.getAttribute(_attr);
	  if (val !== null) {
	    node.removeAttribute(_attr);
	  }
	  return val;
	}

	/**
	 * Get an attribute with colon or v-bind: prefix.
	 *
	 * @param {Node} node
	 * @param {String} name
	 * @return {String|null}
	 */

	function getBindAttr(node, name) {
	  var val = getAttr(node, ':' + name);
	  if (val === null) {
	    val = getAttr(node, 'v-bind:' + name);
	  }
	  return val;
	}

	/**
	 * Check the presence of a bind attribute.
	 *
	 * @param {Node} node
	 * @param {String} name
	 * @return {Boolean}
	 */

	function hasBindAttr(node, name) {
	  return node.hasAttribute(name) || node.hasAttribute(':' + name) || node.hasAttribute('v-bind:' + name);
	}

	/**
	 * Insert el before target
	 *
	 * @param {Element} el
	 * @param {Element} target
	 */

	function before(el, target) {
	  target.parentNode.insertBefore(el, target);
	}

	/**
	 * Insert el after target
	 *
	 * @param {Element} el
	 * @param {Element} target
	 */

	function after(el, target) {
	  if (target.nextSibling) {
	    before(el, target.nextSibling);
	  } else {
	    target.parentNode.appendChild(el);
	  }
	}

	/**
	 * Remove el from DOM
	 *
	 * @param {Element} el
	 */

	function remove(el) {
	  el.parentNode.removeChild(el);
	}

	/**
	 * Prepend el to target
	 *
	 * @param {Element} el
	 * @param {Element} target
	 */

	function prepend(el, target) {
	  if (target.firstChild) {
	    before(el, target.firstChild);
	  } else {
	    target.appendChild(el);
	  }
	}

	/**
	 * Replace target with el
	 *
	 * @param {Element} target
	 * @param {Element} el
	 */

	function replace(target, el) {
	  var parent = target.parentNode;
	  if (parent) {
	    parent.replaceChild(el, target);
	  }
	}

	/**
	 * Add event listener shorthand.
	 *
	 * @param {Element} el
	 * @param {String} event
	 * @param {Function} cb
	 */

	function on$1(el, event, cb) {
	  el.addEventListener(event, cb);
	}

	/**
	 * Remove event listener shorthand.
	 *
	 * @param {Element} el
	 * @param {String} event
	 * @param {Function} cb
	 */

	function off(el, event, cb) {
	  el.removeEventListener(event, cb);
	}

	/**
	 * In IE9, setAttribute('class') will result in empty class
	 * if the element also has the :class attribute; However in
	 * PhantomJS, setting `className` does not work on SVG elements...
	 * So we have to do a conditional check here.
	 *
	 * @param {Element} el
	 * @param {String} cls
	 */

	function setClass(el, cls) {
	  /* istanbul ignore if */
	  if (isIE9 && !(el instanceof SVGElement)) {
	    el.className = cls;
	  } else {
	    el.setAttribute('class', cls);
	  }
	}

	/**
	 * Add class with compatibility for IE & SVG
	 *
	 * @param {Element} el
	 * @param {String} cls
	 */

	function addClass(el, cls) {
	  if (el.classList) {
	    el.classList.add(cls);
	  } else {
	    var cur = ' ' + (el.getAttribute('class') || '') + ' ';
	    if (cur.indexOf(' ' + cls + ' ') < 0) {
	      setClass(el, (cur + cls).trim());
	    }
	  }
	}

	/**
	 * Remove class with compatibility for IE & SVG
	 *
	 * @param {Element} el
	 * @param {String} cls
	 */

	function removeClass(el, cls) {
	  if (el.classList) {
	    el.classList.remove(cls);
	  } else {
	    var cur = ' ' + (el.getAttribute('class') || '') + ' ';
	    var tar = ' ' + cls + ' ';
	    while (cur.indexOf(tar) >= 0) {
	      cur = cur.replace(tar, ' ');
	    }
	    setClass(el, cur.trim());
	  }
	  if (!el.className) {
	    el.removeAttribute('class');
	  }
	}

	/**
	 * Extract raw content inside an element into a temporary
	 * container div
	 *
	 * @param {Element} el
	 * @param {Boolean} asFragment
	 * @return {Element}
	 */

	function extractContent(el, asFragment) {
	  var child;
	  var rawContent;
	  /* istanbul ignore if */
	  if (isTemplate(el) && el.content instanceof DocumentFragment) {
	    el = el.content;
	  }
	  if (el.hasChildNodes()) {
	    trimNode(el);
	    rawContent = asFragment ? document.createDocumentFragment() : document.createElement('div');
	    /* eslint-disable no-cond-assign */
	    while (child = el.firstChild) {
	      /* eslint-enable no-cond-assign */
	      rawContent.appendChild(child);
	    }
	  }
	  return rawContent;
	}

	/**
	 * Trim possible empty head/tail textNodes inside a parent.
	 *
	 * @param {Node} node
	 */

	function trimNode(node) {
	  trim(node, node.firstChild);
	  trim(node, node.lastChild);
	}

	function trim(parent, node) {
	  if (node && node.nodeType === 3 && !node.data.trim()) {
	    parent.removeChild(node);
	  }
	}

	/**
	 * Check if an element is a template tag.
	 * Note if the template appears inside an SVG its tagName
	 * will be in lowercase.
	 *
	 * @param {Element} el
	 */

	function isTemplate(el) {
	  return el.tagName && el.tagName.toLowerCase() === 'template';
	}

	/**
	 * Create an "anchor" for performing dom insertion/removals.
	 * This is used in a number of scenarios:
	 * - fragment instance
	 * - v-html
	 * - v-if
	 * - v-for
	 * - component
	 *
	 * @param {String} content
	 * @param {Boolean} persist - IE trashes empty textNodes on
	 *                            cloneNode(true), so in certain
	 *                            cases the anchor needs to be
	 *                            non-empty to be persisted in
	 *                            templates.
	 * @return {Comment|Text}
	 */

	function createAnchor(content, persist) {
	  var anchor = config.debug ? document.createComment(content) : document.createTextNode(persist ? ' ' : '');
	  anchor.__vue_anchor = true;
	  return anchor;
	}

	/**
	 * Find a component ref attribute that starts with $.
	 *
	 * @param {Element} node
	 * @return {String|undefined}
	 */

	var refRE = /^v-ref:/;

	function findRef(node) {
	  if (node.hasAttributes()) {
	    var attrs = node.attributes;
	    for (var i = 0, l = attrs.length; i < l; i++) {
	      var name = attrs[i].name;
	      if (refRE.test(name)) {
	        return camelize(name.replace(refRE, ''));
	      }
	    }
	  }
	}

	/**
	 * Map a function to a range of nodes .
	 *
	 * @param {Node} node
	 * @param {Node} end
	 * @param {Function} op
	 */

	function mapNodeRange(node, end, op) {
	  var next;
	  while (node !== end) {
	    next = node.nextSibling;
	    op(node);
	    node = next;
	  }
	  op(end);
	}

	/**
	 * Remove a range of nodes with transition, store
	 * the nodes in a fragment with correct ordering,
	 * and call callback when done.
	 *
	 * @param {Node} start
	 * @param {Node} end
	 * @param {Vue} vm
	 * @param {DocumentFragment} frag
	 * @param {Function} cb
	 */

	function removeNodeRange(start, end, vm, frag, cb) {
	  var done = false;
	  var removed = 0;
	  var nodes = [];
	  mapNodeRange(start, end, function (node) {
	    if (node === end) done = true;
	    nodes.push(node);
	    removeWithTransition(node, vm, onRemoved);
	  });
	  function onRemoved() {
	    removed++;
	    if (done && removed >= nodes.length) {
	      for (var i = 0; i < nodes.length; i++) {
	        frag.appendChild(nodes[i]);
	      }
	      cb && cb();
	    }
	  }
	}

	var 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)$/;
	var reservedTagRE = /^(slot|partial|component)$/;

	/**
	 * Check if an element is a component, if yes return its
	 * component id.
	 *
	 * @param {Element} el
	 * @param {Object} options
	 * @return {Object|undefined}
	 */

	function checkComponentAttr(el, options) {
	  var tag = el.tagName.toLowerCase();
	  var hasAttrs = el.hasAttributes();
	  if (!commonTagRE.test(tag) && !reservedTagRE.test(tag)) {
	    if (resolveAsset(options, 'components', tag)) {
	      return { id: tag };
	    } else {
	      var is = hasAttrs && getIsBinding(el);
	      if (is) {
	        return is;
	      } else if (process.env.NODE_ENV !== 'production') {
	        if (tag.indexOf('-') > -1 || /HTMLUnknownElement/.test(el.toString()) &&
	        // Chrome returns unknown for several HTML5 elements.
	        // https://code.google.com/p/chromium/issues/detail?id=540526
	        !/^(data|time|rtc|rb)$/.test(tag)) {
	          warn('Unknown custom element: <' + tag + '> - did you ' + 'register the component correctly?');
	        }
	      }
	    }
	  } else if (hasAttrs) {
	    return getIsBinding(el);
	  }
	}

	/**
	 * Get "is" binding from an element.
	 *
	 * @param {Element} el
	 * @return {Object|undefined}
	 */

	function getIsBinding(el) {
	  // dynamic syntax
	  var exp = getAttr(el, 'is');
	  if (exp != null) {
	    return { id: exp };
	  } else {
	    exp = getBindAttr(el, 'is');
	    if (exp != null) {
	      return { id: exp, dynamic: true };
	    }
	  }
	}

	/**
	 * Set a prop's initial value on a vm and its data object.
	 *
	 * @param {Vue} vm
	 * @param {Object} prop
	 * @param {*} value
	 */

	function initProp(vm, prop, value) {
	  var key = prop.path;
	  value = coerceProp(prop, value);
	  vm[key] = vm._data[key] = assertProp(prop, value) ? value : undefined;
	}

	/**
	 * Assert whether a prop is valid.
	 *
	 * @param {Object} prop
	 * @param {*} value
	 */

	function assertProp(prop, value) {
	  // if a prop is not provided and is not required,
	  // skip the check.
	  if (prop.raw === null && !prop.required) {
	    return true;
	  }
	  var options = prop.options;
	  var type = options.type;
	  var valid = true;
	  var expectedType;
	  if (type) {
	    if (type === String) {
	      expectedType = 'string';
	      valid = typeof value === expectedType;
	    } else if (type === Number) {
	      expectedType = 'number';
	      valid = typeof value === 'number';
	    } else if (type === Boolean) {
	      expectedType = 'boolean';
	      valid = typeof value === 'boolean';
	    } else if (type === Function) {
	      expectedType = 'function';
	      valid = typeof value === 'function';
	    } else if (type === Object) {
	      expectedType = 'object';
	      valid = isPlainObject(value);
	    } else if (type === Array) {
	      expectedType = 'array';
	      valid = isArray(value);
	    } else {
	      valid = value instanceof type;
	    }
	  }
	  if (!valid) {
	    process.env.NODE_ENV !== 'production' && warn('Invalid prop: type check failed for ' + prop.path + '="' + prop.raw + '".' + ' Expected ' + formatType(expectedType) + ', got ' + formatValue(value) + '.');
	    return false;
	  }
	  var validator = options.validator;
	  if (validator) {
	    if (!validator.call(null, value)) {
	      process.env.NODE_ENV !== 'production' && warn('Invalid prop: custom validator check failed for ' + prop.path + '="' + prop.raw + '"');
	      return false;
	    }
	  }
	  return true;
	}

	/**
	 * Force parsing value with coerce option.
	 *
	 * @param {*} value
	 * @param {Object} options
	 * @return {*}
	 */

	function coerceProp(prop, value) {
	  var coerce = prop.options.coerce;
	  if (!coerce) {
	    return value;
	  }
	  // coerce is a function
	  return coerce(value);
	}

	function formatType(val) {
	  return val ? val.charAt(0).toUpperCase() + val.slice(1) : 'custom type';
	}

	function formatValue(val) {
	  return Object.prototype.toString.call(val).slice(8, -1);
	}

	/**
	 * Option overwriting strategies are functions that handle
	 * how to merge a parent option value and a child option
	 * value into the final value.
	 *
	 * All strategy functions follow the same signature:
	 *
	 * @param {*} parentVal
	 * @param {*} childVal
	 * @param {Vue} [vm]
	 */

	var strats = config.optionMergeStrategies = Object.create(null);

	/**
	 * Helper that recursively merges two data objects together.
	 */

	function mergeData(to, from) {
	  var key, toVal, fromVal;
	  for (key in from) {
	    toVal = to[key];
	    fromVal = from[key];
	    if (!hasOwn(to, key)) {
	      set(to, key, fromVal);
	    } else if (isObject(toVal) && isObject(fromVal)) {
	      mergeData(toVal, fromVal);
	    }
	  }
	  return to;
	}

	/**
	 * Data
	 */

	strats.data = function (parentVal, childVal, vm) {
	  if (!vm) {
	    // in a Vue.extend merge, both should be functions
	    if (!childVal) {
	      return parentVal;
	    }
	    if (typeof childVal !== 'function') {
	      process.env.NODE_ENV !== 'production' && warn('The "data" option should be a function ' + 'that returns a per-instance value in component ' + 'definitions.');
	      return parentVal;
	    }
	    if (!parentVal) {
	      return childVal;
	    }
	    // when parentVal & childVal are both present,
	    // we need to return a function that returns the
	    // merged result of both functions... no need to
	    // check if parentVal is a function here because
	    // it has to be a function to pass previous merges.
	    return function mergedDataFn() {
	      return mergeData(childVal.call(this), parentVal.call(this));
	    };
	  } else if (parentVal || childVal) {
	    return function mergedInstanceDataFn() {
	      // instance merge
	      var instanceData = typeof childVal === 'function' ? childVal.call(vm) : childVal;
	      var defaultData = typeof parentVal === 'function' ? parentVal.call(vm) : undefined;
	      if (instanceData) {
	        return mergeData(instanceData, defaultData);
	      } else {
	        return defaultData;
	      }
	    };
	  }
	};

	/**
	 * El
	 */

	strats.el = function (parentVal, childVal, vm) {
	  if (!vm && childVal && typeof childVal !== 'function') {
	    process.env.NODE_ENV !== 'production' && warn('The "el" option should be a function ' + 'that returns a per-instance value in component ' + 'definitions.');
	    return;
	  }
	  var ret = childVal || parentVal;
	  // invoke the element factory if this is instance merge
	  return vm && typeof ret === 'function' ? ret.call(vm) : ret;
	};

	/**
	 * Hooks and param attributes are merged as arrays.
	 */

	strats.init = strats.created = strats.ready = strats.attached = strats.detached = strats.beforeCompile = strats.compiled = strats.beforeDestroy = strats.destroyed = function (parentVal, childVal) {
	  return childVal ? parentVal ? parentVal.concat(childVal) : isArray(childVal) ? childVal : [childVal] : parentVal;
	};

	/**
	 * 0.11 deprecation warning
	 */

	strats.paramAttributes = function () {
	  /* istanbul ignore next */
	  process.env.NODE_ENV !== 'production' && warn('"paramAttributes" option has been deprecated in 0.12. ' + 'Use "props" instead.');
	};

	/**
	 * Assets
	 *
	 * When a vm is present (instance creation), we need to do
	 * a three-way merge between constructor options, instance
	 * options and parent options.
	 */

	function mergeAssets(parentVal, childVal) {
	  var res = Object.create(parentVal);
	  return childVal ? extend(res, guardArrayAssets(childVal)) : res;
	}

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

	/**
	 * Events & Watchers.
	 *
	 * Events & watchers hashes should not overwrite one
	 * another, so we merge them as arrays.
	 */

	strats.watch = strats.events = function (parentVal, childVal) {
	  if (!childVal) return parentVal;
	  if (!parentVal) return childVal;
	  var ret = {};
	  extend(ret, parentVal);
	  for (var key in childVal) {
	    var parent = ret[key];
	    var child = childVal[key];
	    if (parent && !isArray(parent)) {
	      parent = [parent];
	    }
	    ret[key] = parent ? parent.concat(child) : [child];
	  }
	  return ret;
	};

	/**
	 * Other object hashes.
	 */

	strats.props = strats.methods = strats.computed = function (parentVal, childVal) {
	  if (!childVal) return parentVal;
	  if (!parentVal) return childVal;
	  var ret = Object.create(null);
	  extend(ret, parentVal);
	  extend(ret, childVal);
	  return ret;
	};

	/**
	 * Default strategy.
	 */

	var defaultStrat = function defaultStrat(parentVal, childVal) {
	  return childVal === undefined ? parentVal : childVal;
	};

	/**
	 * Make sure component options get converted to actual
	 * constructors.
	 *
	 * @param {Object} options
	 */

	function guardComponents(options) {
	  if (options.components) {
	    var components = options.components = guardArrayAssets(options.components);
	    var def;
	    var ids = Object.keys(components);
	    for (var i = 0, l = ids.length; i < l; i++) {
	      var key = ids[i];
	      if (commonTagRE.test(key) || reservedTagRE.test(key)) {
	        process.env.NODE_ENV !== 'production' && warn('Do not use built-in or reserved HTML elements as component ' + 'id: ' + key);
	        continue;
	      }
	      def = components[key];
	      if (isPlainObject(def)) {
	        components[key] = Vue.extend(def);
	      }
	    }
	  }
	}

	/**
	 * Ensure all props option syntax are normalized into the
	 * Object-based format.
	 *
	 * @param {Object} options
	 */

	function guardProps(options) {
	  var props = options.props;
	  var i, val;
	  if (isArray(props)) {
	    options.props = {};
	    i = props.length;
	    while (i--) {
	      val = props[i];
	      if (typeof val === 'string') {
	        options.props[val] = null;
	      } else if (val.name) {
	        options.props[val.name] = val;
	      }
	    }
	  } else if (isPlainObject(props)) {
	    var keys = Object.keys(props);
	    i = keys.length;
	    while (i--) {
	      val = props[keys[i]];
	      if (typeof val === 'function') {
	        props[keys[i]] = { type: val };
	      }
	    }
	  }
	}

	/**
	 * Guard an Array-format assets option and converted it
	 * into the key-value Object format.
	 *
	 * @param {Object|Array} assets
	 * @return {Object}
	 */

	function guardArrayAssets(assets) {
	  if (isArray(assets)) {
	    var res = {};
	    var i = assets.length;
	    var asset;
	    while (i--) {
	      asset = assets[i];
	      var id = typeof asset === 'function' ? asset.options && asset.options.name || asset.id : asset.name || asset.id;
	      if (!id) {
	        process.env.NODE_ENV !== 'production' && warn('Array-syntax assets must provide a "name" or "id" field.');
	      } else {
	        res[id] = asset;
	      }
	    }
	    return res;
	  }
	  return assets;
	}

	/**
	 * Merge two option objects into a new one.
	 * Core utility used in both instantiation and inheritance.
	 *
	 * @param {Object} parent
	 * @param {Object} child
	 * @param {Vue} [vm] - if vm is present, indicates this is
	 *                     an instantiation merge.
	 */

	function mergeOptions(parent, child, vm) {
	  guardComponents(child);
	  guardProps(child);
	  var options = {};
	  var key;
	  if (child.mixins) {
	    for (var i = 0, l = child.mixins.length; i < l; i++) {
	      parent = mergeOptions(parent, child.mixins[i], vm);
	    }
	  }
	  for (key in parent) {
	    mergeField(key);
	  }
	  for (key in child) {
	    if (!hasOwn(parent, key)) {
	      mergeField(key);
	    }
	  }
	  function mergeField(key) {
	    var strat = strats[key] || defaultStrat;
	    options[key] = strat(parent[key], child[key], vm, key);
	  }
	  return options;
	}

	/**
	 * Resolve an asset.
	 * This function is used because child instances need access
	 * to assets defined in its ancestor chain.
	 *
	 * @param {Object} options
	 * @param {String} type
	 * @param {String} id
	 * @return {Object|Function}
	 */

	function resolveAsset(options, type, id) {
	  var assets = options[type];
	  var camelizedId;
	  return assets[id] ||
	  // camelCase ID
	  assets[camelizedId = camelize(id)] ||
	  // Pascal Case ID
	  assets[camelizedId.charAt(0).toUpperCase() + camelizedId.slice(1)];
	}

	/**
	 * Assert asset exists
	 */

	function assertAsset(val, type, id) {
	  if (!val) {
	    process.env.NODE_ENV !== 'production' && warn('Failed to resolve ' + type + ': ' + id);
	  }
	}

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

	/**
	 * Intercept mutating methods and emit events
	 */

	;['push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'].forEach(function (method) {
	  // cache original method
	  var original = arrayProto[method];
	  def(arrayMethods, method, function mutator() {
	    // avoid leaking arguments:
	    // http://jsperf.com/closure-with-arguments
	    var i = arguments.length;
	    var args = new Array(i);
	    while (i--) {
	      args[i] = arguments[i];
	    }
	    var result = original.apply(this, args);
	    var ob = this.__ob__;
	    var inserted;
	    switch (method) {
	      case 'push':
	        inserted = args;
	        break;
	      case 'unshift':
	        inserted = args;
	        break;
	      case 'splice':
	        inserted = args.slice(2);
	        break;
	    }
	    if (inserted) ob.observeArray(inserted);
	    // notify change
	    ob.dep.notify();
	    return result;
	  });
	});

	/**
	 * Swap the element at the given index with a new value
	 * and emits corresponding event.
	 *
	 * @param {Number} index
	 * @param {*} val
	 * @return {*} - replaced element
	 */

	def(arrayProto, '$set', function $set(index, val) {
	  if (index >= this.length) {
	    this.length = Number(index) + 1;
	  }
	  return this.splice(index, 1, val)[0];
	});

	/**
	 * Convenience method to remove the element at given index.
	 *
	 * @param {Number} index
	 * @param {*} val
	 */

	def(arrayProto, '$remove', function $remove(item) {
	  /* istanbul ignore if */
	  if (!this.length) return;
	  var index = indexOf(this, item);
	  if (index > -1) {
	    return this.splice(index, 1);
	  }
	});

	var uid$3 = 0;

	/**
	 * A dep is an observable that can have multiple
	 * directives subscribing to it.
	 *
	 * @constructor
	 */
	function Dep() {
	  this.id = uid$3++;
	  this.subs = [];
	}

	// the current target watcher being evaluated.
	// this is globally unique because there could be only one
	// watcher being evaluated at any time.
	Dep.target = null;

	/**
	 * Add a directive subscriber.
	 *
	 * @param {Directive} sub
	 */

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

	/**
	 * Remove a directive subscriber.
	 *
	 * @param {Directive} sub
	 */

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

	/**
	 * Add self as a dependency to the target watcher.
	 */

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

	/**
	 * Notify all subscribers of a new value.
	 */

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

	var arrayKeys = Object.getOwnPropertyNames(arrayMethods);

	/**
	 * Observer class that are attached to each observed
	 * object. Once attached, the observer converts target
	 * object's property keys into getter/setters that
	 * collect dependencies and dispatches updates.
	 *
	 * @param {Array|Object} value
	 * @constructor
	 */

	function Observer(value) {
	  this.value = value;
	  this.dep = new Dep();
	  def(value, '__ob__', this);
	  if (isArray(value)) {
	    var augment = hasProto ? protoAugment : copyAugment;
	    augment(value, arrayMethods, arrayKeys);
	    this.observeArray(value);
	  } else {
	    this.walk(value);
	  }
	}

	// Instance methods

	/**
	 * Walk through each property and convert them into
	 * getter/setters. This method should only be called when
	 * value type is Object.
	 *
	 * @param {Object} obj
	 */

	Observer.prototype.walk = function (obj) {
	  var keys = Object.keys(obj);
	  for (var i = 0, l = keys.length; i < l; i++) {
	    this.convert(keys[i], obj[keys[i]]);
	  }
	};

	/**
	 * Observe a list of Array items.
	 *
	 * @param {Array} items
	 */

	Observer.prototype.observeArray = function (items) {
	  for (var i = 0, l = items.length; i < l; i++) {
	    observe(items[i]);
	  }
	};

	/**
	 * Convert a property into getter/setter so we can emit
	 * the events when the property is accessed/changed.
	 *
	 * @param {String} key
	 * @param {*} val
	 */

	Observer.prototype.convert = function (key, val) {
	  defineReactive(this.value, key, val);
	};

	/**
	 * Add an owner vm, so that when $set/$delete mutations
	 * happen we can notify owner vms to proxy the keys and
	 * digest the watchers. This is only called when the object
	 * is observed as an instance's root $data.
	 *
	 * @param {Vue} vm
	 */

	Observer.prototype.addVm = function (vm) {
	  (this.vms || (this.vms = [])).push(vm);
	};

	/**
	 * Remove an owner vm. This is called when the object is
	 * swapped out as an instance's $data object.
	 *
	 * @param {Vue} vm
	 */

	Observer.prototype.removeVm = function (vm) {
	  this.vms.$remove(vm);
	};

	// helpers

	/**
	 * Augment an target Object or Array by intercepting
	 * the prototype chain using __proto__
	 *
	 * @param {Object|Array} target
	 * @param {Object} proto
	 */

	function protoAugment(target, src) {
	  target.__proto__ = src;
	}

	/**
	 * Augment an target Object or Array by defining
	 * hidden properties.
	 *
	 * @param {Object|Array} target
	 * @param {Object} proto
	 */

	function copyAugment(target, src, keys) {
	  for (var i = 0, l = keys.length; i < l; i++) {
	    var key = keys[i];
	    def(target, key, src[key]);
	  }
	}

	/**
	 * Attempt to create an observer instance for a value,
	 * returns the new observer if successfully observed,
	 * or the existing observer if the value already has one.
	 *
	 * @param {*} value
	 * @param {Vue} [vm]
	 * @return {Observer|undefined}
	 * @static
	 */

	function observe(value, vm) {
	  if (!value || typeof value !== 'object') {
	    return;
	  }
	  var ob;
	  if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
	    ob = value.__ob__;
	  } else if ((isArray(value) || isPlainObject(value)) && Object.isExtensible(value) && !value._isVue) {
	    ob = new Observer(value);
	  }
	  if (ob && vm) {
	    ob.addVm(vm);
	  }
	  return ob;
	}

	/**
	 * Define a reactive property on an Object.
	 *
	 * @param {Object} obj
	 * @param {String} key
	 * @param {*} val
	 */

	function defineReactive(obj, key, val) {
	  var dep = new Dep();

	  // cater for pre-defined getter/setters
	  var getter, setter;
	  if (config.convertAllProperties) {
	    var property = Object.getOwnPropertyDescriptor(obj, key);
	    if (property && property.configurable === false) {
	      return;
	    }
	    getter = property && property.get;
	    setter = property && property.set;
	  }

	  var childOb = observe(val);
	  Object.defineProperty(obj, key, {
	    enumerable: true,
	    configurable: true,
	    get: function reactiveGetter() {
	      var value = getter ? getter.call(obj) : val;
	      if (Dep.target) {
	        dep.depend();
	        if (childOb) {
	          childOb.dep.depend();
	        }
	        if (isArray(value)) {
	          for (var e, i = 0, l = value.length; i < l; i++) {
	            e = value[i];
	            e && e.__ob__ && e.__ob__.dep.depend();
	          }
	        }
	      }
	      return value;
	    },
	    set: function reactiveSetter(newVal) {
	      var value = getter ? getter.call(obj) : val;
	      if (newVal === value) {
	        return;
	      }
	      if (setter) {
	        setter.call(obj, newVal);
	      } else {
	        val = newVal;
	      }
	      childOb = observe(newVal);
	      dep.notify();
	    }
	  });
	}

	var util = Object.freeze({
		defineReactive: defineReactive,
		set: set,
		del: del,
		hasOwn: hasOwn,
		isLiteral: isLiteral,
		isReserved: isReserved,
		_toString: _toString,
		toNumber: toNumber,
		toBoolean: toBoolean,
		stripQuotes: stripQuotes,
		camelize: camelize,
		hyphenate: hyphenate,
		classify: classify,
		bind: bind$1,
		toArray: toArray,
		extend: extend,
		isObject: isObject,
		isPlainObject: isPlainObject,
		def: def,
		debounce: _debounce,
		indexOf: indexOf,
		cancellable: cancellable,
		looseEqual: looseEqual,
		isArray: isArray,
		hasProto: hasProto,
		inBrowser: inBrowser,
		isIE9: isIE9,
		isAndroid: isAndroid,
		get transitionProp () { return transitionProp; },
		get transitionEndEvent () { return transitionEndEvent; },
		get animationProp () { return animationProp; },
		get animationEndEvent () { return animationEndEvent; },
		nextTick: nextTick,
		query: query,
		inDoc: inDoc,
		getAttr: getAttr,
		getBindAttr: getBindAttr,
		hasBindAttr: hasBindAttr,
		before: before,
		after: after,
		remove: remove,
		prepend: prepend,
		replace: replace,
		on: on$1,
		off: off,
		setClass: setClass,
		addClass: addClass,
		removeClass: removeClass,
		extractContent: extractContent,
		trimNode: trimNode,
		isTemplate: isTemplate,
		createAnchor: createAnchor,
		findRef: findRef,
		mapNodeRange: mapNodeRange,
		removeNodeRange: removeNodeRange,
		mergeOptions: mergeOptions,
		resolveAsset: resolveAsset,
		assertAsset: assertAsset,
		checkComponentAttr: checkComponentAttr,
		initProp: initProp,
		assertProp: assertProp,
		coerceProp: coerceProp,
		commonTagRE: commonTagRE,
		reservedTagRE: reservedTagRE,
		get warn () { return warn; }
	});

	var uid = 0;

	function initMixin (Vue) {

	  /**
	   * The main init sequence. This is called for every
	   * instance, including ones that are created from extended
	   * constructors.
	   *
	   * @param {Object} options - this options object should be
	   *                           the result of merging class
	   *                           options and the options passed
	   *                           in to the constructor.
	   */

	  Vue.prototype._init = function (options) {

	    options = options || {};

	    this.$el = null;
	    this.$parent = options.parent;
	    this.$root = this.$parent ? this.$parent.$root : this;
	    this.$children = [];
	    this.$refs = {}; // child vm references
	    this.$els = {}; // element references
	    this._watchers = []; // all watchers as an array
	    this._directives = []; // all directives

	    // a uid
	    this._uid = uid++;

	    // a flag to avoid this being observed
	    this._isVue = true;

	    // events bookkeeping
	    this._events = {}; // registered callbacks
	    this._eventsCount = {}; // for $broadcast optimization

	    // fragment instance properties
	    this._isFragment = false;
	    this._fragment = // @type {DocumentFragment}
	    this._fragmentStart = // @type {Text|Comment}
	    this._fragmentEnd = null; // @type {Text|Comment}

	    // lifecycle state
	    this._isCompiled = this._isDestroyed = this._isReady = this._isAttached = this._isBeingDestroyed = false;
	    this._unlinkFn = null;

	    // context:
	    // if this is a transcluded component, context
	    // will be the common parent vm of this instance
	    // and its host.
	    this._context = options._context || this.$parent;

	    // scope:
	    // if this is inside an inline v-for, the scope
	    // will be the intermediate scope created for this
	    // repeat fragment. this is used for linking props
	    // and container directives.
	    this._scope = options._scope;

	    // fragment:
	    // if this instance is compiled inside a Fragment, it
	    // needs to reigster itself as a child of that fragment
	    // for attach/detach to work properly.
	    this._frag = options._frag;
	    if (this._frag) {
	      this._frag.children.push(this);
	    }

	    // push self into parent / transclusion host
	    if (this.$parent) {
	      this.$parent.$children.push(this);
	    }

	    // merge options.
	    options = this.$options = mergeOptions(this.constructor.options, options, this);

	    // set ref
	    this._updateRef();

	    // initialize data as empty object.
	    // it will be filled up in _initScope().
	    this._data = {};

	    // call init hook
	    this._callHook('init');

	    // initialize data observation and scope inheritance.
	    this._initState();

	    // setup event system and option events.
	    this._initEvents();

	    // call created hook
	    this._callHook('created');

	    // if `el` option is passed, start compilation.
	    if (options.el) {
	      this.$mount(options.el);
	    }
	  };
	}

	var pathCache = new Cache(1000);

	// actions
	var APPEND = 0;
	var PUSH = 1;
	var INC_SUB_PATH_DEPTH = 2;
	var PUSH_SUB_PATH = 3;

	// states
	var BEFORE_PATH = 0;
	var IN_PATH = 1;
	var BEFORE_IDENT = 2;
	var IN_IDENT = 3;
	var IN_SUB_PATH = 4;
	var IN_SINGLE_QUOTE = 5;
	var IN_DOUBLE_QUOTE = 6;
	var AFTER_PATH = 7;
	var ERROR = 8;

	var pathStateMachine = [];

	pathStateMachine[BEFORE_PATH] = {
	  'ws': [BEFORE_PATH],
	  'ident': [IN_IDENT, APPEND],
	  '[': [IN_SUB_PATH],
	  'eof': [AFTER_PATH]
	};

	pathStateMachine[IN_PATH] = {
	  'ws': [IN_PATH],
	  '.': [BEFORE_IDENT],
	  '[': [IN_SUB_PATH],
	  'eof': [AFTER_PATH]
	};

	pathStateMachine[BEFORE_IDENT] = {
	  'ws': [BEFORE_IDENT],
	  'ident': [IN_IDENT, APPEND]
	};

	pathStateMachine[IN_IDENT] = {
	  'ident': [IN_IDENT, APPEND],
	  '0': [IN_IDENT, APPEND],
	  'number': [IN_IDENT, APPEND],
	  'ws': [IN_PATH, PUSH],
	  '.': [BEFORE_IDENT, PUSH],
	  '[': [IN_SUB_PATH, PUSH],
	  'eof': [AFTER_PATH, PUSH]
	};

	pathStateMachine[IN_SUB_PATH] = {
	  "'": [IN_SINGLE_QUOTE, APPEND],
	  '"': [IN_DOUBLE_QUOTE, APPEND],
	  '[': [IN_SUB_PATH, INC_SUB_PATH_DEPTH],
	  ']': [IN_PATH, PUSH_SUB_PATH],
	  'eof': ERROR,
	  'else': [IN_SUB_PATH, APPEND]
	};

	pathStateMachine[IN_SINGLE_QUOTE] = {
	  "'": [IN_SUB_PATH, APPEND],
	  'eof': ERROR,
	  'else': [IN_SINGLE_QUOTE, APPEND]
	};

	pathStateMachine[IN_DOUBLE_QUOTE] = {
	  '"': [IN_SUB_PATH, APPEND],
	  'eof': ERROR,
	  'else': [IN_DOUBLE_QUOTE, APPEND]
	};

	/**
	 * Determine the type of a character in a keypath.
	 *
	 * @param {Char} ch
	 * @return {String} type
	 */

	function getPathCharType(ch) {
	  if (ch === undefined) {
	    return 'eof';
	  }

	  var code = ch.charCodeAt(0);

	  switch (code) {
	    case 0x5B: // [
	    case 0x5D: // ]
	    case 0x2E: // .
	    case 0x22: // "
	    case 0x27: // '
	    case 0x30:
	      // 0
	      return ch;

	    case 0x5F: // _
	    case 0x24:
	      // $
	      return 'ident';

	    case 0x20: // Space
	    case 0x09: // Tab
	    case 0x0A: // Newline
	    case 0x0D: // Return
	    case 0xA0: // No-break space
	    case 0xFEFF: // Byte Order Mark
	    case 0x2028: // Line Separator
	    case 0x2029:
	      // Paragraph Separator
	      return 'ws';
	  }

	  // a-z, A-Z
	  if (code >= 0x61 && code <= 0x7A || code >= 0x41 && code <= 0x5A) {
	    return 'ident';
	  }

	  // 1-9
	  if (code >= 0x31 && code <= 0x39) {
	    return 'number';
	  }

	  return 'else';
	}

	/**
	 * Format a subPath, return its plain form if it is
	 * a literal string or number. Otherwise prepend the
	 * dynamic indicator (*).
	 *
	 * @param {String} path
	 * @return {String}
	 */

	function formatSubPath(path) {
	  var trimmed = path.trim();
	  // invalid leading 0
	  if (path.charAt(0) === '0' && isNaN(path)) {
	    return false;
	  }
	  return isLiteral(trimmed) ? stripQuotes(trimmed) : '*' + trimmed;
	}

	/**
	 * Parse a string path into an array of segments
	 *
	 * @param {String} path
	 * @return {Array|undefined}
	 */

	function parse(path) {
	  var keys = [];
	  var index = -1;
	  var mode = BEFORE_PATH;
	  var subPathDepth = 0;
	  var c, newChar, key, type, transition, action, typeMap;

	  var actions = [];

	  actions[PUSH] = function () {
	    if (key !== undefined) {
	      keys.push(key);
	      key = undefined;
	    }
	  };

	  actions[APPEND] = function () {
	    if (key === undefined) {
	      key = newChar;
	    } else {
	      key += newChar;
	    }
	  };

	  actions[INC_SUB_PATH_DEPTH] = function () {
	    actions[APPEND]();
	    subPathDepth++;
	  };

	  actions[PUSH_SUB_PATH] = function () {
	    if (subPathDepth > 0) {
	      subPathDepth--;
	      mode = IN_SUB_PATH;
	      actions[APPEND]();
	    } else {
	      subPathDepth = 0;
	      key = formatSubPath(key);
	      if (key === false) {
	        return false;
	      } else {
	        actions[PUSH]();
	      }
	    }
	  };

	  function maybeUnescapeQuote() {
	    var nextChar = path[index + 1];
	    if (mode === IN_SINGLE_QUOTE && nextChar === "'" || mode === IN_DOUBLE_QUOTE && nextChar === '"') {
	      index++;
	      newChar = '\\' + nextChar;
	      actions[APPEND]();
	      return true;
	    }
	  }

	  while (mode != null) {
	    index++;
	    c = path[index];

	    if (c === '\\' && maybeUnescapeQuote()) {
	      continue;
	    }

	    type = getPathCharType(c);
	    typeMap = pathStateMachine[mode];
	    transition = typeMap[type] || typeMap['else'] || ERROR;

	    if (transition === ERROR) {
	      return; // parse error
	    }

	    mode = transition[0];
	    action = actions[transition[1]];
	    if (action) {
	      newChar = transition[2];
	      newChar = newChar === undefined ? c : newChar;
	      if (action() === false) {
	        return;
	      }
	    }

	    if (mode === AFTER_PATH) {
	      keys.raw = path;
	      return keys;
	    }
	  }
	}

	/**
	 * External parse that check for a cache hit first
	 *
	 * @param {String} path
	 * @return {Array|undefined}
	 */

	function parsePath(path) {
	  var hit = pathCache.get(path);
	  if (!hit) {
	    hit = parse(path);
	    if (hit) {
	      pathCache.put(path, hit);
	    }
	  }
	  return hit;
	}

	/**
	 * Get from an object from a path string
	 *
	 * @param {Object} obj
	 * @param {String} path
	 */

	function getPath(obj, path) {
	  return parseExpression(path).get(obj);
	}

	/**
	 * Warn against setting non-existent root path on a vm.
	 */

	var warnNonExistent;
	if (process.env.NODE_ENV !== 'production') {
	  warnNonExistent = function (path) {
	    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.');
	  };
	}

	/**
	 * Set on an object from a path
	 *
	 * @param {Object} obj
	 * @param {String | Array} path
	 * @param {*} val
	 */

	function setPath(obj, path, val) {
	  var original = obj;
	  if (typeof path === 'string') {
	    path = parse(path);
	  }
	  if (!path || !isObject(obj)) {
	    return false;
	  }
	  var last, key;
	  for (var i = 0, l = path.length; i < l; i++) {
	    last = obj;
	    key = path[i];
	    if (key.charAt(0) === '*') {
	      key = parseExpression(key.slice(1)).get.call(original, original);
	    }
	    if (i < l - 1) {
	      obj = obj[key];
	      if (!isObject(obj)) {
	        obj = {};
	        if (process.env.NODE_ENV !== 'production' && last._isVue) {
	          warnNonExistent(path);
	        }
	        set(last, key, obj);
	      }
	    } else {
	      if (isArray(obj)) {
	        obj.$set(key, val);
	      } else if (key in obj) {
	        obj[key] = val;
	      } else {
	        if (process.env.NODE_ENV !== 'production' && obj._isVue) {
	          warnNonExistent(path);
	        }
	        set(obj, key, val);
	      }
	    }
	  }
	  return true;
	}

	var path = Object.freeze({
	  parsePath: parsePath,
	  getPath: getPath,
	  setPath: setPath
	});

	var expressionCache = new Cache(1000);

	var allowedKeywords = 'Math,Date,this,true,false,null,undefined,Infinity,NaN,' + 'isNaN,isFinite,decodeURI,decodeURIComponent,encodeURI,' + 'encodeURIComponent,parseInt,parseFloat';
	var allowedKeywordsRE = new RegExp('^(' + allowedKeywords.replace(/,/g, '\\b|') + '\\b)');

	// keywords that don't make sense inside expressions
	var 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';
	var improperKeywordsRE = new RegExp('^(' + improperKeywords.replace(/,/g, '\\b|') + '\\b)');

	var wsRE = /\s/g;
	var newlineRE = /\n/g;
	var saveRE = /[\{,]\s*[\w\$_]+\s*:|('(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*")|new |typeof |void /g;
	var restoreRE = /"(\d+)"/g;
	var pathTestRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['.*?'\]|\[".*?"\]|\[\d+\]|\[[A-Za-z_$][\w$]*\])*$/;
	var identRE = /[^\w$\.](?:[A-Za-z_$][\w$]*)/g;
	var booleanLiteralRE = /^(?:true|false)$/;

	/**
	 * Save / Rewrite / Restore
	 *
	 * When rewriting paths found in an expression, it is
	 * possible for the same letter sequences to be found in
	 * strings and Object literal property keys. Therefore we
	 * remove and store these parts in a temporary array, and
	 * restore them after the path rewrite.
	 */

	var saved = [];

	/**
	 * Save replacer
	 *
	 * The save regex can match two possible cases:
	 * 1. An opening object literal
	 * 2. A string
	 * If matched as a plain string, we need to escape its
	 * newlines, since the string needs to be preserved when
	 * generating the function body.
	 *
	 * @param {String} str
	 * @param {String} isString - str if matched as a string
	 * @return {String} - placeholder with index
	 */

	function save(str, isString) {
	  var i = saved.length;
	  saved[i] = isString ? str.replace(newlineRE, '\\n') : str;
	  return '"' + i + '"';
	}

	/**
	 * Path rewrite replacer
	 *
	 * @param {String} raw
	 * @return {String}
	 */

	function rewrite(raw) {
	  var c = raw.charAt(0);
	  var path = raw.slice(1);
	  if (allowedKeywordsRE.test(path)) {
	    return raw;
	  } else {
	    path = path.indexOf('"') > -1 ? path.replace(restoreRE, restore) : path;
	    return c + 'scope.' + path;
	  }
	}

	/**
	 * Restore replacer
	 *
	 * @param {String} str
	 * @param {String} i - matched save index
	 * @return {String}
	 */

	function restore(str, i) {
	  return saved[i];
	}

	/**
	 * Rewrite an expression, prefixing all path accessors with
	 * `scope.` and generate getter/setter functions.
	 *
	 * @param {String} exp
	 * @return {Function}
	 */

	function compileGetter(exp) {
	  if (improperKeywordsRE.test(exp)) {
	    process.env.NODE_ENV !== 'production' && warn('Avoid using reserved keywords in expression: ' + exp);
	  }
	  // reset state
	  saved.length = 0;
	  // save strings and object literal keys
	  var body = exp.replace(saveRE, save).replace(wsRE, '');
	  // rewrite all paths
	  // pad 1 space here becaue the regex matches 1 extra char
	  body = (' ' + body).replace(identRE, rewrite).replace(restoreRE, restore);
	  return makeGetterFn(body);
	}

	/**
	 * Build a getter function. Requires eval.
	 *
	 * We isolate the try/catch so it doesn't affect the
	 * optimization of the parse function when it is not called.
	 *
	 * @param {String} body
	 * @return {Function|undefined}
	 */

	function makeGetterFn(body) {
	  try {
	    return new Function('scope', 'return ' + body + ';');
	  } catch (e) {
	    process.env.NODE_ENV !== 'production' && warn('Invalid expression. ' + 'Generated function body: ' + body);
	  }
	}

	/**
	 * Compile a setter function for the expression.
	 *
	 * @param {String} exp
	 * @return {Function|undefined}
	 */

	function compileSetter(exp) {
	  var path = parsePath(exp);
	  if (path) {
	    return function (scope, val) {
	      setPath(scope, path, val);
	    };
	  } else {
	    process.env.NODE_ENV !== 'production' && warn('Invalid setter expression: ' + exp);
	  }
	}

	/**
	 * Parse an expression into re-written getter/setters.
	 *
	 * @param {String} exp
	 * @param {Boolean} needSet
	 * @return {Function}
	 */

	function parseExpression(exp, needSet) {
	  exp = exp.trim();
	  // try cache
	  var hit = expressionCache.get(exp);
	  if (hit) {
	    if (needSet && !hit.set) {
	      hit.set = compileSetter(hit.exp);
	    }
	    return hit;
	  }
	  var res = { exp: exp };
	  res.get = isSimplePath(exp) && exp.indexOf('[') < 0
	  // optimized super simple getter
	  ? makeGetterFn('scope.' + exp)
	  // dynamic getter
	  : compileGetter(exp);
	  if (needSet) {
	    res.set = compileSetter(exp);
	  }
	  expressionCache.put(exp, res);
	  return res;
	}

	/**
	 * Check if an expression is a simple path.
	 *
	 * @param {String} exp
	 * @return {Boolean}
	 */

	function isSimplePath(exp) {
	  return pathTestRE.test(exp) &&
	  // don't treat true/false as paths
	  !booleanLiteralRE.test(exp) &&
	  // Math constants e.g. Math.PI, Math.E etc.
	  exp.slice(0, 5) !== 'Math.';
	}

	var expression = Object.freeze({
	  parseExpression: parseExpression,
	  isSimplePath: isSimplePath
	});

	// we have two separate queues: one for directive updates
	// and one for user watcher registered via $watch().
	// we want to guarantee directive updates to be called
	// before user watchers so that when user watchers are
	// triggered, the DOM would have already been in updated
	// state.
	var queue = [];
	var userQueue = [];
	var has = {};
	var circular = {};
	var waiting = false;
	var internalQueueDepleted = false;

	/**
	 * Reset the batcher's state.
	 */

	function resetBatcherState() {
	  queue = [];
	  userQueue = [];
	  has = {};
	  circular = {};
	  waiting = internalQueueDepleted = false;
	}

	/**
	 * Flush both queues and run the watchers.
	 */

	function flushBatcherQueue() {
	  runBatcherQueue(queue);
	  internalQueueDepleted = true;
	  runBatcherQueue(userQueue);
	  // dev tool hook
	  /* istanbul ignore if */
	  if (process.env.NODE_ENV !== 'production') {
	    if (inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__) {
	      window.__VUE_DEVTOOLS_GLOBAL_HOOK__.emit('flush');
	    }
	  }
	  resetBatcherState();
	}

	/**
	 * Run the watchers in a single queue.
	 *
	 * @param {Array} queue
	 */

	function runBatcherQueue(queue) {
	  // do not cache length because more watchers might be pushed
	  // as we run existing watchers
	  for (var i = 0; i < queue.length; i++) {
	    var watcher = queue[i];
	    var id = watcher.id;
	    has[id] = null;
	    watcher.run();
	    // in dev build, check and stop circular updates.
	    if (process.env.NODE_ENV !== 'production' && has[id] != null) {
	      circular[id] = (circular[id] || 0) + 1;
	      if (circular[id] > config._maxUpdateCount) {
	        queue.splice(has[id], 1);
	        warn('You may have an infinite update loop for watcher ' + 'with expression: ' + watcher.expression);
	      }
	    }
	  }
	}

	/**
	 * Push a watcher into the watcher queue.
	 * Jobs with duplicate IDs will be skipped unless it's
	 * pushed when the queue is being flushed.
	 *
	 * @param {Watcher} watcher
	 *   properties:
	 *   - {Number} id
	 *   - {Function} run
	 */

	function pushWatcher(watcher) {
	  var id = watcher.id;
	  if (has[id] == null) {
	    // if an internal watcher is pushed, but the internal
	    // queue is already depleted, we run it immediately.
	    if (internalQueueDepleted && !watcher.user) {
	      watcher.run();
	      return;
	    }
	    // push watcher into appropriate queue
	    var q = watcher.user ? userQueue : queue;
	    has[id] = q.length;
	    q.push(watcher);
	    // queue the flush
	    if (!waiting) {
	      waiting = true;
	      nextTick(flushBatcherQueue);
	    }
	  }
	}

	var uid$2 = 0;

	/**
	 * A watcher parses an expression, collects dependencies,
	 * and fires callback when the expression value changes.
	 * This is used for both the $watch() api and directives.
	 *
	 * @param {Vue} vm
	 * @param {String} expression
	 * @param {Function} cb
	 * @param {Object} options
	 *                 - {Array} filters
	 *                 - {Boolean} twoWay
	 *                 - {Boolean} deep
	 *                 - {Boolean} user
	 *                 - {Boolean} sync
	 *                 - {Boolean} lazy
	 *                 - {Function} [preProcess]
	 *                 - {Function} [postProcess]
	 * @constructor
	 */
	function Watcher(vm, expOrFn, cb, options) {
	  // mix in options
	  if (options) {
	    extend(this, options);
	  }
	  var isFn = typeof expOrFn === 'function';
	  this.vm = vm;
	  vm._watchers.push(this);
	  this.expression = isFn ? expOrFn.toString() : expOrFn;
	  this.cb = cb;
	  this.id = ++uid$2; // uid for batching
	  this.active = true;
	  this.dirty = this.lazy; // for lazy watchers
	  this.deps = Object.create(null);
	  this.newDeps = null;
	  this.prevError = null; // for async error stacks
	  // parse expression for getter/setter
	  if (isFn) {
	    this.getter = expOrFn;
	    this.setter = undefined;
	  } else {
	    var res = parseExpression(expOrFn, this.twoWay);
	    this.getter = res.get;
	    this.setter = res.set;
	  }
	  this.value = this.lazy ? undefined : this.get();
	  // state for avoiding false triggers for deep and Array
	  // watchers during vm._digest()
	  this.queued = this.shallow = false;
	}

	/**
	 * Add a dependency to this directive.
	 *
	 * @param {Dep} dep
	 */

	Watcher.prototype.addDep = function (dep) {
	  var id = dep.id;
	  if (!this.newDeps[id]) {
	    this.newDeps[id] = dep;
	    if (!this.deps[id]) {
	      this.deps[id] = dep;
	      dep.addSub(this);
	    }
	  }
	};

	/**
	 * Evaluate the getter, and re-collect dependencies.
	 */

	Watcher.prototype.get = function () {
	  this.beforeGet();
	  var scope = this.scope || this.vm;
	  var value;
	  try {
	    value = this.getter.call(scope, scope);
	  } catch (e) {
	    if (process.env.NODE_ENV !== 'production' && config.warnExpressionErrors) {
	      warn('Error when evaluating expression "' + this.expression + '". ' + (config.debug ? '' : 'Turn on debug mode to see stack trace.'), e);
	    }
	  }
	  // "touch" every property so they are all tracked as
	  // dependencies for deep watching
	  if (this.deep) {
	    traverse(value);
	  }
	  if (this.preProcess) {
	    value = this.preProcess(value);
	  }
	  if (this.filters) {
	    value = scope._applyFilters(value, null, this.filters, false);
	  }
	  if (this.postProcess) {
	    value = this.postProcess(value);
	  }
	  this.afterGet();
	  return value;
	};

	/**
	 * Set the corresponding value with the setter.
	 *
	 * @param {*} value
	 */

	Watcher.prototype.set = function (value) {
	  var scope = this.scope || this.vm;
	  if (this.filters) {
	    value = scope._applyFilters(value, this.value, this.filters, true);
	  }
	  try {
	    this.setter.call(scope, scope, value);
	  } catch (e) {
	    if (process.env.NODE_ENV !== 'production' && config.warnExpressionErrors) {
	      warn('Error when evaluating setter "' + this.expression + '"', e);
	    }
	  }
	  // two-way sync for v-for alias
	  var forContext = scope.$forContext;
	  if (forContext && forContext.alias === this.expression) {
	    if (forContext.filters) {
	      process.env.NODE_ENV !== 'production' && warn('It seems you are using two-way binding on ' + 'a v-for alias (' + this.expression + '), and the ' + 'v-for has filters. This will not work properly. ' + 'Either remove the filters or use an array of ' + 'objects and bind to object properties instead.');
	      return;
	    }
	    forContext._withLock(function () {
	      if (scope.$key) {
	        // original is an object
	        forContext.rawValue[scope.$key] = value;
	      } else {
	        forContext.rawValue.$set(scope.$index, value);
	      }
	    });
	  }
	};

	/**
	 * Prepare for dependency collection.
	 */

	Watcher.prototype.beforeGet = function () {
	  Dep.target = this;
	  this.newDeps = Object.create(null);
	};

	/**
	 * Clean up for dependency collection.
	 */

	Watcher.prototype.afterGet = function () {
	  Dep.target = null;
	  var ids = Object.keys(this.deps);
	  var i = ids.length;
	  while (i--) {
	    var id = ids[i];
	    if (!this.newDeps[id]) {
	      this.deps[id].removeSub(this);
	    }
	  }
	  this.deps = this.newDeps;
	};

	/**
	 * Subscriber interface.
	 * Will be called when a dependency changes.
	 *
	 * @param {Boolean} shallow
	 */

	Watcher.prototype.update = function (shallow) {
	  if (this.lazy) {
	    this.dirty = true;
	  } else if (this.sync || !config.async) {
	    this.run();
	  } else {
	    // if queued, only overwrite shallow with non-shallow,
	    // but not the other way around.
	    this.shallow = this.queued ? shallow ? this.shallow : false : !!shallow;
	    this.queued = true;
	    // record before-push error stack in debug mode
	    /* istanbul ignore if */
	    if (process.env.NODE_ENV !== 'production' && config.debug) {
	      this.prevError = new Error('[vue] async stack trace');
	    }
	    pushWatcher(this);
	  }
	};

	/**
	 * Batcher job interface.
	 * Will be called by the batcher.
	 */

	Watcher.prototype.run = function () {
	  if (this.active) {
	    var value = this.get();
	    if (value !== this.value ||
	    // Deep watchers and watchers on Object/Arrays should fire even
	    // when the value is the same, because the value may
	    // have mutated; but only do so if this is a
	    // non-shallow update (caused by a vm digest).
	    (isObject(value) || this.deep) && !this.shallow) {
	      // set new value
	      var oldValue = this.value;
	      this.value = value;
	      // in debug + async mode, when a watcher callbacks
	      // throws, we also throw the saved before-push error
	      // so the full cross-tick stack trace is available.
	      var prevError = this.prevError;
	      /* istanbul ignore if */
	      if (process.env.NODE_ENV !== 'production' && config.debug && prevError) {
	        this.prevError = null;
	        try {
	          this.cb.call(this.vm, value, oldValue);
	        } catch (e) {
	          nextTick(function () {
	            throw prevError;
	          }, 0);
	          throw e;
	        }
	      } else {
	        this.cb.call(this.vm, value, oldValue);
	      }
	    }
	    this.queued = this.shallow = false;
	  }
	};

	/**
	 * Evaluate the value of the watcher.
	 * This only gets called for lazy watchers.
	 */

	Watcher.prototype.evaluate = function () {
	  // avoid overwriting another watcher that is being
	  // collected.
	  var current = Dep.target;
	  this.value = this.get();
	  this.dirty = false;
	  Dep.target = current;
	};

	/**
	 * Depend on all deps collected by this watcher.
	 */

	Watcher.prototype.depend = function () {
	  var depIds = Object.keys(this.deps);
	  var i = depIds.length;
	  while (i--) {
	    this.deps[depIds[i]].depend();
	  }
	};

	/**
	 * Remove self from all dependencies' subcriber list.
	 */

	Watcher.prototype.teardown = function () {
	  if (this.active) {
	    // remove self from vm's watcher list
	    // we can skip this if the vm if being destroyed
	    // which can improve teardown performance.
	    if (!this.vm._isBeingDestroyed) {
	      this.vm._watchers.$remove(this);
	    }
	    var depIds = Object.keys(this.deps);
	    var i = depIds.length;
	    while (i--) {
	      this.deps[depIds[i]].removeSub(this);
	    }
	    this.active = false;
	    this.vm = this.cb = this.value = null;
	  }
	};

	/**
	 * Recrusively traverse an object to evoke all converted
	 * getters, so that every nested property inside the object
	 * is collected as a "deep" dependency.
	 *
	 * @param {*} val
	 */

	function traverse(val) {
	  var i, keys;
	  if (isArray(val)) {
	    i = val.length;
	    while (i--) traverse(val[i]);
	  } else if (isObject(val)) {
	    keys = Object.keys(val);
	    i = keys.length;
	    while (i--) traverse(val[keys[i]]);
	  }
	}

	var cloak = {
	  bind: function bind() {
	    var el = this.el;
	    this.vm.$once('pre-hook:compiled', function () {
	      el.removeAttribute('v-cloak');
	    });
	  }
	};

	var ref = {
	  bind: function bind() {
	    process.env.NODE_ENV !== 'production' && warn('v-ref:' + this.arg + ' must be used on a child ' + 'component. Found on <' + this.el.tagName.toLowerCase() + '>.');
	  }
	};

	var ON = 700;
	var MODEL = 800;
	var BIND = 850;
	var TRANSITION = 1100;
	var EL = 1500;
	var COMPONENT = 1500;
	var PARTIAL = 1750;
	var FOR = 2000;
	var IF = 2000;
	var SLOT = 2100;

	var el = {

	  priority: EL,

	  bind: function bind() {
	    /* istanbul ignore if */
	    if (!this.arg) {
	      return;
	    }
	    var id = this.id = camelize(this.arg);
	    var refs = (this._scope || this.vm).$els;
	    if (hasOwn(refs, id)) {
	      refs[id] = this.el;
	    } else {
	      defineReactive(refs, id, this.el);
	    }
	  },

	  unbind: function unbind() {
	    var refs = (this._scope || this.vm).$els;
	    if (refs[this.id] === this.el) {
	      refs[this.id] = null;
	    }
	  }
	};

	var prefixes = ['-webkit-', '-moz-', '-ms-'];
	var camelPrefixes = ['Webkit', 'Moz', 'ms'];
	var importantRE = /!important;?$/;
	var propCache = Object.create(null);

	var testEl = null;

	var style = {

	  deep: true,

	  update: function update(value) {
	    if (typeof value === 'string') {
	      this.el.style.cssText = value;
	    } else if (isArray(value)) {
	      this.handleObject(value.reduce(extend, {}));
	    } else {
	      this.handleObject(value || {});
	    }
	  },

	  handleObject: function handleObject(value) {
	    // cache object styles so that only changed props
	    // are actually updated.
	    var cache = this.cache || (this.cache = {});
	    var name, val;
	    for (name in cache) {
	      if (!(name in value)) {
	        this.handleSingle(name, null);
	        delete cache[name];
	      }
	    }
	    for (name in value) {
	      val = value[name];
	      if (val !== cache[name]) {
	        cache[name] = val;
	        this.handleSingle(name, val);
	      }
	    }
	  },

	  handleSingle: function handleSingle(prop, value) {
	    prop = normalize(prop);
	    if (!prop) return; // unsupported prop
	    // cast possible numbers/booleans into strings
	    if (value != null) value += '';
	    if (value) {
	      var isImportant = importantRE.test(value) ? 'important' : '';
	      if (isImportant) {
	        value = value.replace(importantRE, '').trim();
	      }
	      this.el.style.setProperty(prop, value, isImportant);
	    } else {
	      this.el.style.removeProperty(prop);
	    }
	  }

	};

	/**
	 * Normalize a CSS property name.
	 * - cache result
	 * - auto prefix
	 * - camelCase -> dash-case
	 *
	 * @param {String} prop
	 * @return {String}
	 */

	function normalize(prop) {
	  if (propCache[prop]) {
	    return propCache[prop];
	  }
	  var res = prefix(prop);
	  propCache[prop] = propCache[res] = res;
	  return res;
	}

	/**
	 * Auto detect the appropriate prefix for a CSS property.
	 * https://gist.github.com/paulirish/523692
	 *
	 * @param {String} prop
	 * @return {String}
	 */

	function prefix(prop) {
	  prop = hyphenate(prop);
	  var camel = camelize(prop);
	  var upper = camel.charAt(0).toUpperCase() + camel.slice(1);
	  if (!testEl) {
	    testEl = document.createElement('div');
	  }
	  if (camel in testEl.style) {
	    return prop;
	  }
	  var i = prefixes.length;
	  var prefixed;
	  while (i--) {
	    prefixed = camelPrefixes[i] + upper;
	    if (prefixed in testEl.style) {
	      return prefixes[i] + prop;
	    }
	  }
	}

	// xlink
	var xlinkNS = 'http://www.w3.org/1999/xlink';
	var xlinkRE = /^xlink:/;

	// check for attributes that prohibit interpolations
	var disallowedInterpAttrRE = /^v-|^:|^@|^(?:is|transition|transition-mode|debounce|track-by|stagger|enter-stagger|leave-stagger)$/;
	// these attributes should also set their corresponding properties
	// because they only affect the initial state of the element
	var attrWithPropsRE = /^(?:value|checked|selected|muted)$/;

	// these attributes should set a hidden property for
	// binding v-model to object values
	var modelProps = {
	  value: '_value',
	  'true-value': '_trueValue',
	  'false-value': '_falseValue'
	};

	var bind = {

	  priority: BIND,

	  bind: function bind() {
	    var attr = this.arg;
	    var tag = this.el.tagName;
	    // should be deep watch on object mode
	    if (!attr) {
	      this.deep = true;
	    }
	    // handle interpolation bindings
	    var descriptor = this.descriptor;
	    var tokens = descriptor.interp;
	    if (tokens) {
	      // handle interpolations with one-time tokens
	      if (descriptor.hasOneTime) {
	        this.expression = tokensToExp(tokens, this._scope || this.vm);
	      }

	      // only allow binding on native attributes
	      if (disallowedInterpAttrRE.test(attr) || attr === 'name' && (tag === 'PARTIAL' || tag === 'SLOT')) {
	        process.env.NODE_ENV !== 'production' && warn(attr + '="' + descriptor.raw + '": ' + 'attribute interpolation is not allowed in Vue.js ' + 'directives and special attributes.');
	        this.el.removeAttribute(attr);
	        this.invalid = true;
	      }

	      /* istanbul ignore if */
	      if (process.env.NODE_ENV !== 'production') {
	        var raw = attr + '="' + descriptor.raw + '": ';
	        // warn src
	        if (attr === 'src') {
	          warn(raw + 'interpolation in "src" attribute will cause ' + 'a 404 request. Use v-bind:src instead.');
	        }

	        // warn style
	        if (attr === 'style') {
	          warn(raw + 'interpolation in "style" attribute will cause ' + 'the attribute to be discarded in Internet Explorer. ' + 'Use v-bind:style instead.');
	        }
	      }
	    }
	  },

	  update: function update(value) {
	    if (this.invalid) {
	      return;
	    }
	    var attr = this.arg;
	    if (this.arg) {
	      this.handleSingle(attr, value);
	    } else {
	      this.handleObject(value || {});
	    }
	  },

	  // share object handler with v-bind:class
	  handleObject: style.handleObject,

	  handleSingle: function handleSingle(attr, value) {
	    var el = this.el;
	    var interp = this.descriptor.interp;
	    if (!interp && attrWithPropsRE.test(attr) && attr in el) {
	      el[attr] = attr === 'value' ? value == null // IE9 will set input.value to "null" for null...
	      ? '' : value : value;
	    }
	    // set model props
	    var modelProp = modelProps[attr];
	    if (!interp && modelProp) {
	      el[modelProp] = value;
	      // update v-model if present
	      var model = el.__v_model;
	      if (model) {
	        model.listener();
	      }
	    }
	    // do not set value attribute for textarea
	    if (attr === 'value' && el.tagName === 'TEXTAREA') {
	      el.removeAttribute(attr);
	      return;
	    }
	    // update attribute
	    if (value != null && value !== false) {
	      if (attr === 'class') {
	        // handle edge case #1960:
	        // class interpolation should not overwrite Vue transition class
	        if (el.__v_trans) {
	          value += ' ' + el.__v_trans.id + '-transition';
	        }
	        setClass(el, value);
	      } else if (xlinkRE.test(attr)) {
	        el.setAttributeNS(xlinkNS, attr, value);
	      } else {
	        el.setAttribute(attr, value);
	      }
	    } else {
	      el.removeAttribute(attr);
	    }
	  }
	};

	// keyCode aliases
	var keyCodes = {
	  esc: 27,
	  tab: 9,
	  enter: 13,
	  space: 32,
	  'delete': 46,
	  up: 38,
	  left: 37,
	  right: 39,
	  down: 40
	};

	function keyFilter(handler, keys) {
	  var codes = keys.map(function (key) {
	    var charCode = key.charCodeAt(0);
	    if (charCode > 47 && charCode < 58) {
	      return parseInt(key, 10);
	    }
	    if (key.length === 1) {
	      charCode = key.toUpperCase().charCodeAt(0);
	      if (charCode > 64 && charCode < 91) {
	        return charCode;
	      }
	    }
	    return keyCodes[key];
	  });
	  return function keyHandler(e) {
	    if (codes.indexOf(e.keyCode) > -1) {
	      return handler.call(this, e);
	    }
	  };
	}

	function stopFilter(handler) {
	  return function stopHandler(e) {
	    e.stopPropagation();
	    return handler.call(this, e);
	  };
	}

	function preventFilter(handler) {
	  return function preventHandler(e) {
	    e.preventDefault();
	    return handler.call(this, e);
	  };
	}

	var on = {

	  acceptStatement: true,
	  priority: ON,

	  bind: function bind() {
	    // deal with iframes
	    if (this.el.tagName === 'IFRAME' && this.arg !== 'load') {
	      var self = this;
	      this.iframeBind = function () {
	        on$1(self.el.contentWindow, self.arg, self.handler);
	      };
	      this.on('load', this.iframeBind);
	    }
	  },

	  update: function update(handler) {
	    // stub a noop for v-on with no value,
	    // e.g. @mousedown.prevent
	    if (!this.descriptor.raw) {
	      handler = function () {};
	    }

	    if (typeof handler !== 'function') {
	      process.env.NODE_ENV !== 'production' && warn('v-on:' + this.arg + '="' + this.expression + '" expects a function value, ' + 'got ' + handler);
	      return;
	    }

	    // apply modifiers
	    if (this.modifiers.stop) {
	      handler = stopFilter(handler);
	    }
	    if (this.modifiers.prevent) {
	      handler = preventFilter(handler);
	    }
	    // key filter
	    var keys = Object.keys(this.modifiers).filter(function (key) {
	      return key !== 'stop' && key !== 'prevent';
	    });
	    if (keys.length) {
	      handler = keyFilter(handler, keys);
	    }

	    this.reset();
	    this.handler = handler;

	    if (this.iframeBind) {
	      this.iframeBind();
	    } else {
	      on$1(this.el, this.arg, this.handler);
	    }
	  },

	  reset: function reset() {
	    var el = this.iframeBind ? this.el.contentWindow : this.el;
	    if (this.handler) {
	      off(el, this.arg, this.handler);
	    }
	  },

	  unbind: function unbind() {
	    this.reset();
	  }
	};

	var checkbox = {

	  bind: function bind() {
	    var self = this;
	    var el = this.el;

	    this.getValue = function () {
	      return el.hasOwnProperty('_value') ? el._value : self.params.number ? toNumber(el.value) : el.value;
	    };

	    function getBooleanValue() {
	      var val = el.checked;
	      if (val && el.hasOwnProperty('_trueValue')) {
	        return el._trueValue;
	      }
	      if (!val && el.hasOwnProperty('_falseValue')) {
	        return el._falseValue;
	      }
	      return val;
	    }

	    this.listener = function () {
	      var model = self._watcher.value;
	      if (isArray(model)) {
	        var val = self.getValue();
	        if (el.checked) {
	          if (indexOf(model, val) < 0) {
	            model.push(val);
	          }
	        } else {
	          model.$remove(val);
	        }
	      } else {
	        self.set(getBooleanValue());
	      }
	    };

	    this.on('change', this.listener);
	    if (el.hasAttribute('checked')) {
	      this.afterBind = this.listener;
	    }
	  },

	  update: function update(value) {
	    var el = this.el;
	    if (isArray(value)) {
	      el.checked = indexOf(value, this.getValue()) > -1;
	    } else {
	      if (el.hasOwnProperty('_trueValue')) {
	        el.checked = looseEqual(value, el._trueValue);
	      } else {
	        el.checked = !!value;
	      }
	    }
	  }
	};

	var select = {

	  bind: function bind() {
	    var self = this;
	    var el = this.el;

	    // method to force update DOM using latest value.
	    this.forceUpdate = function () {
	      if (self._watcher) {
	        self.update(self._watcher.get());
	      }
	    };

	    // check if this is a multiple select
	    var multiple = this.multiple = el.hasAttribute('multiple');

	    // attach listener
	    this.listener = function () {
	      var value = getValue(el, multiple);
	      value = self.params.number ? isArray(value) ? value.map(toNumber) : toNumber(value) : value;
	      self.set(value);
	    };
	    this.on('change', this.listener);

	    // if has initial value, set afterBind
	    var initValue = getValue(el, multiple, true);
	    if (multiple && initValue.length || !multiple && initValue !== null) {
	      this.afterBind = this.listener;
	    }

	    // All major browsers except Firefox resets
	    // selectedIndex with value -1 to 0 when the element
	    // is appended to a new parent, therefore we have to
	    // force a DOM update whenever that happens...
	    this.vm.$on('hook:attached', this.forceUpdate);
	  },

	  update: function update(value) {
	    var el = this.el;
	    el.selectedIndex = -1;
	    var multi = this.multiple && isArray(value);
	    var options = el.options;
	    var i = options.length;
	    var op, val;
	    while (i--) {
	      op = options[i];
	      val = op.hasOwnProperty('_value') ? op._value : op.value;
	      /* eslint-disable eqeqeq */
	      op.selected = multi ? indexOf$1(value, val) > -1 : looseEqual(value, val);
	      /* eslint-enable eqeqeq */
	    }
	  },

	  unbind: function unbind() {
	    /* istanbul ignore next */
	    this.vm.$off('hook:attached', this.forceUpdate);
	  }
	};

	/**
	 * Get select value
	 *
	 * @param {SelectElement} el
	 * @param {Boolean} multi
	 * @param {Boolean} init
	 * @return {Array|*}
	 */

	function getValue(el, multi, init) {
	  var res = multi ? [] : null;
	  var op, val, selected;
	  for (var i = 0, l = el.options.length; i < l; i++) {
	    op = el.options[i];
	    selected = init ? op.hasAttribute('selected') : op.selected;
	    if (selected) {
	      val = op.hasOwnProperty('_value') ? op._value : op.value;
	      if (multi) {
	        res.push(val);
	      } else {
	        return val;
	      }
	    }
	  }
	  return res;
	}

	/**
	 * Native Array.indexOf uses strict equal, but in this
	 * case we need to match string/numbers with custom equal.
	 *
	 * @param {Array} arr
	 * @param {*} val
	 */

	function indexOf$1(arr, val) {
	  var i = arr.length;
	  while (i--) {
	    if (looseEqual(arr[i], val)) {
	      return i;
	    }
	  }
	  return -1;
	}

	var radio = {

	  bind: function bind() {
	    var self = this;
	    var el = this.el;

	    this.getValue = function () {
	      // value overwrite via v-bind:value
	      if (el.hasOwnProperty('_value')) {
	        return el._value;
	      }
	      var val = el.value;
	      if (self.params.number) {
	        val = toNumber(val);
	      }
	      return val;
	    };

	    this.listener = function () {
	      self.set(self.getValue());
	    };
	    this.on('change', this.listener);

	    if (el.hasAttribute('checked')) {
	      this.afterBind = this.listener;
	    }
	  },

	  update: function update(value) {
	    this.el.checked = looseEqual(value, this.getValue());
	  }
	};

	var text$2 = {

	  bind: function bind() {
	    var self = this;
	    var el = this.el;
	    var isRange = el.type === 'range';
	    var lazy = this.params.lazy;
	    var number = this.params.number;
	    var debounce = this.params.debounce;

	    // handle composition events.
	    //   http://blog.evanyou.me/2014/01/03/composition-event/
	    // skip this for Android because it handles composition
	    // events quite differently. Android doesn't trigger
	    // composition events for language input methods e.g.
	    // Chinese, but instead triggers them for spelling
	    // suggestions... (see Discussion/#162)
	    var composing = false;
	    if (!isAndroid && !isRange) {
	      this.on('compositionstart', function () {
	        composing = true;
	      });
	      this.on('compositionend', function () {
	        composing = false;
	        // in IE11 the "compositionend" event fires AFTER
	        // the "input" event, so the input handler is blocked
	        // at the end... have to call it here.
	        //
	        // #1327: in lazy mode this is unecessary.
	        if (!lazy) {
	          self.listener();
	        }
	      });
	    }

	    // prevent messing with the input when user is typing,
	    // and force update on blur.
	    this.focused = false;
	    if (!isRange && !lazy) {
	      this.on('focus', function () {
	        self.focused = true;
	      });
	      this.on('blur', function () {
	        self.focused = false;
	        // do not sync value after fragment removal (#2017)
	        if (!self._frag || self._frag.inserted) {
	          self.rawListener();
	        }
	      });
	    }

	    // Now attach the main listener
	    this.listener = this.rawListener = function () {
	      if (composing || !self._bound) {
	        return;
	      }
	      var val = number || isRange ? toNumber(el.value) : el.value;
	      self.set(val);
	      // force update on next tick to avoid lock & same value
	      // also only update when user is not typing
	      nextTick(function () {
	        if (self._bound && !self.focused) {
	          self.update(self._watcher.value);
	        }
	      });
	    };

	    // apply debounce
	    if (debounce) {
	      this.listener = _debounce(this.listener, debounce);
	    }

	    // Support jQuery events, since jQuery.trigger() doesn't
	    // trigger native events in some cases and some plugins
	    // rely on $.trigger()
	    //
	    // We want to make sure if a listener is attached using
	    // jQuery, it is also removed with jQuery, that's why
	    // we do the check for each directive instance and
	    // store that check result on itself. This also allows
	    // easier test coverage control by unsetting the global
	    // jQuery variable in tests.
	    this.hasjQuery = typeof jQuery === 'function';
	    if (this.hasjQuery) {
	      jQuery(el).on('change', this.listener);
	      if (!lazy) {
	        jQuery(el).on('input', this.listener);
	      }
	    } else {
	      this.on('change', this.listener);
	      if (!lazy) {
	        this.on('input', this.listener);
	      }
	    }

	    // IE9 doesn't fire input event on backspace/del/cut
	    if (!lazy && isIE9) {
	      this.on('cut', function () {
	        nextTick(self.listener);
	      });
	      this.on('keyup', function (e) {
	        if (e.keyCode === 46 || e.keyCode === 8) {
	          self.listener();
	        }
	      });
	    }

	    // set initial value if present
	    if (el.hasAttribute('value') || el.tagName === 'TEXTAREA' && el.value.trim()) {
	      this.afterBind = this.listener;
	    }
	  },

	  update: function update(value) {
	    this.el.value = _toString(value);
	  },

	  unbind: function unbind() {
	    var el = this.el;
	    if (this.hasjQuery) {
	      jQuery(el).off('change', this.listener);
	      jQuery(el).off('input', this.listener);
	    }
	  }
	};

	var handlers = {
	  text: text$2,
	  radio: radio,
	  select: select,
	  checkbox: checkbox
	};

	var model = {

	  priority: MODEL,
	  twoWay: true,
	  handlers: handlers,
	  params: ['lazy', 'number', 'debounce'],

	  /**
	   * Possible elements:
	   *   <select>
	   *   <textarea>
	   *   <input type="*">
	   *     - text
	   *     - checkbox
	   *     - radio
	   *     - number
	   */

	  bind: function bind() {
	    // friendly warning...
	    this.checkFilters();
	    if (this.hasRead && !this.hasWrite) {
	      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.');
	    }
	    var el = this.el;
	    var tag = el.tagName;
	    var handler;
	    if (tag === 'INPUT') {
	      handler = handlers[el.type] || handlers.text;
	    } else if (tag === 'SELECT') {
	      handler = handlers.select;
	    } else if (tag === 'TEXTAREA') {
	      handler = handlers.text;
	    } else {
	      process.env.NODE_ENV !== 'production' && warn('v-model does not support element type: ' + tag);
	      return;
	    }
	    el.__v_model = this;
	    handler.bind.call(this);
	    this.update = handler.update;
	    this._unbind = handler.unbind;
	  },

	  /**
	   * Check read/write filter stats.
	   */

	  checkFilters: function checkFilters() {
	    var filters = this.filters;
	    if (!filters) return;
	    var i = filters.length;
	    while (i--) {
	      var filter = resolveAsset(this.vm.$options, 'filters', filters[i].name);
	      if (typeof filter === 'function' || filter.read) {
	        this.hasRead = true;
	      }
	      if (filter.write) {
	        this.hasWrite = true;
	      }
	    }
	  },

	  unbind: function unbind() {
	    this.el.__v_model = null;
	    this._unbind && this._unbind();
	  }
	};

	var show = {

	  bind: function bind() {
	    // check else block
	    var next = this.el.nextElementSibling;
	    if (next && getAttr(next, 'v-else') !== null) {
	      this.elseEl = next;
	    }
	  },

	  update: function update(value) {
	    this.apply(this.el, value);
	    if (this.elseEl) {
	      this.apply(this.elseEl, !value);
	    }
	  },

	  apply: function apply(el, value) {
	    if (inDoc(el)) {
	      applyTransition(el, value ? 1 : -1, toggle, this.vm);
	    } else {
	      toggle();
	    }
	    function toggle() {
	      el.style.display = value ? '' : 'none';
	    }
	  }
	};

	var templateCache = new Cache(1000);
	var idSelectorCache = new Cache(1000);

	var map = {
	  efault: [0, '', ''],
	  legend: [1, '<fieldset>', '</fieldset>'],
	  tr: [2, '<table><tbody>', '</tbody></table>'],
	  col: [2, '<table><tbody></tbody><colgroup>', '</colgroup></table>']
	};

	map.td = map.th = [3, '<table><tbody><tr>', '</tr></tbody></table>'];

	map.option = map.optgroup = [1, '<select multiple="multiple">', '</select>'];

	map.thead = map.tbody = map.colgroup = map.caption = map.tfoot = [1, '<table>', '</table>'];

	map.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>'];

	/**
	 * Check if a node is a supported template node with a
	 * DocumentFragment content.
	 *
	 * @param {Node} node
	 * @return {Boolean}
	 */

	function isRealTemplate(node) {
	  return isTemplate(node) && node.content instanceof DocumentFragment;
	}

	var tagRE$1 = /<([\w:]+)/;
	var entityRE = /&#?\w+?;/;

	/**
	 * Convert a string template to a DocumentFragment.
	 * Determines correct wrapping by tag types. Wrapping
	 * strategy found in jQuery & component/domify.
	 *
	 * @param {String} templateString
	 * @param {Boolean} raw
	 * @return {DocumentFragment}
	 */

	function stringToFragment(templateString, raw) {
	  // try a cache hit first
	  var hit = templateCache.get(templateString);
	  if (hit) {
	    return hit;
	  }

	  var frag = document.createDocumentFragment();
	  var tagMatch = templateString.match(tagRE$1);
	  var entityMatch = entityRE.test(templateString);

	  if (!tagMatch && !entityMatch) {
	    // text only, return a single text node.
	    frag.appendChild(document.createTextNode(templateString));
	  } else {

	    var tag = tagMatch && tagMatch[1];
	    var wrap = map[tag] || map.efault;
	    var depth = wrap[0];
	    var prefix = wrap[1];
	    var suffix = wrap[2];
	    var node = document.createElement('div');

	    var templateStringToUse = raw ? templateString : templateString.trim();
	    node.innerHTML = prefix + templateStringToUse + suffix;
	    while (depth--) {
	      node = node.lastChild;
	    }

	    var child;
	    /* eslint-disable no-cond-assign */
	    while (child = node.firstChild) {
	      /* eslint-enable no-cond-assign */
	      frag.appendChild(child);
	    }
	  }

	  templateCache.put(templateString, frag);
	  return frag;
	}

	/**
	 * Convert a template node to a DocumentFragment.
	 *
	 * @param {Node} node
	 * @return {DocumentFragment}
	 */

	function nodeToFragment(node) {
	  // if its a template tag and the browser supports it,
	  // its content is already a document fragment.
	  if (isRealTemplate(node)) {
	    trimNode(node.content);
	    return node.content;
	  }
	  // script template
	  if (node.tagName === 'SCRIPT') {
	    return stringToFragment(node.textContent);
	  }
	  // normal node, clone it to avoid mutating the original
	  var clonedNode = cloneNode(node);
	  var frag = document.createDocumentFragment();
	  var child;
	  /* eslint-disable no-cond-assign */
	  while (child = clonedNode.firstChild) {
	    /* eslint-enable no-cond-assign */
	    frag.appendChild(child);
	  }
	  trimNode(frag);
	  return frag;
	}

	// Test for the presence of the Safari template cloning bug
	// https://bugs.webkit.org/showug.cgi?id=137755
	var hasBrokenTemplate = (function () {
	  /* istanbul ignore else */
	  if (inBrowser) {
	    var a = document.createElement('div');
	    a.innerHTML = '<template>1</template>';
	    return !a.cloneNode(true).firstChild.innerHTML;
	  } else {
	    return false;
	  }
	})();

	// Test for IE10/11 textarea placeholder clone bug
	var hasTextareaCloneBug = (function () {
	  /* istanbul ignore else */
	  if (inBrowser) {
	    var t = document.createElement('textarea');
	    t.placeholder = 't';
	    return t.cloneNode(true).value === 't';
	  } else {
	    return false;
	  }
	})();

	/**
	 * 1. Deal with Safari cloning nested <template> bug by
	 *    manually cloning all template instances.
	 * 2. Deal with IE10/11 textarea placeholder bug by setting
	 *    the correct value after cloning.
	 *
	 * @param {Element|DocumentFragment} node
	 * @return {Element|DocumentFragment}
	 */

	function cloneNode(node) {
	  if (!node.querySelectorAll) {
	    return node.cloneNode();
	  }
	  var res = node.cloneNode(true);
	  var i, original, cloned;
	  /* istanbul ignore if */
	  if (hasBrokenTemplate) {
	    var tempClone = res;
	    if (isRealTemplate(node)) {
	      node = node.content;
	      tempClone = res.content;
	    }
	    original = node.querySelectorAll('template');
	    if (original.length) {
	      cloned = tempClone.querySelectorAll('template');
	      i = cloned.length;
	      while (i--) {
	        cloned[i].parentNode.replaceChild(cloneNode(original[i]), cloned[i]);
	      }
	    }
	  }
	  /* istanbul ignore if */
	  if (hasTextareaCloneBug) {
	    if (node.tagName === 'TEXTAREA') {
	      res.value = node.value;
	    } else {
	      original = node.querySelectorAll('textarea');
	      if (original.length) {
	        cloned = res.querySelectorAll('textarea');
	        i = cloned.length;
	        while (i--) {
	          cloned[i].value = original[i].value;
	        }
	      }
	    }
	  }
	  return res;
	}

	/**
	 * Process the template option and normalizes it into a
	 * a DocumentFragment that can be used as a partial or a
	 * instance template.
	 *
	 * @param {*} template
	 *        Possible values include:
	 *        - DocumentFragment object
	 *        - Node object of type Template
	 *        - id selector: '#some-template-id'
	 *        - template string: '<div><span>{{msg}}</span></div>'
	 * @param {Boolean} shouldClone
	 * @param {Boolean} raw
	 *        inline HTML interpolation. Do not check for id
	 *        selector and keep whitespace in the string.
	 * @return {DocumentFragment|undefined}
	 */

	function parseTemplate(template, shouldClone, raw) {
	  var node, frag;

	  // if the template is already a document fragment,
	  // do nothing
	  if (template instanceof DocumentFragment) {
	    trimNode(template);
	    return shouldClone ? cloneNode(template) : template;
	  }

	  if (typeof template === 'string') {
	    // id selector
	    if (!raw && template.charAt(0) === '#') {
	      // id selector can be cached too
	      frag = idSelectorCache.get(template);
	      if (!frag) {
	        node = document.getElementById(template.slice(1));
	        if (node) {
	          frag = nodeToFragment(node);
	          // save selector to cache
	          idSelectorCache.put(template, frag);
	        }
	      }
	    } else {
	      // normal string template
	      frag = stringToFragment(template, raw);
	    }
	  } else if (template.nodeType) {
	    // a direct node
	    frag = nodeToFragment(template);
	  }

	  return frag && shouldClone ? cloneNode(frag) : frag;
	}

	var template = Object.freeze({
	  cloneNode: cloneNode,
	  parseTemplate: parseTemplate
	});

	/**
	 * Abstraction for a partially-compiled fragment.
	 * Can optionally compile content with a child scope.
	 *
	 * @param {Function} linker
	 * @param {Vue} vm
	 * @param {DocumentFragment} frag
	 * @param {Vue} [host]
	 * @param {Object} [scope]
	 */
	function Fragment(linker, vm, frag, host, scope, parentFrag) {
	  this.children = [];
	  this.childFrags = [];
	  this.vm = vm;
	  this.scope = scope;
	  this.inserted = false;
	  this.parentFrag = parentFrag;
	  if (parentFrag) {
	    parentFrag.childFrags.push(this);
	  }
	  this.unlink = linker(vm, frag, host, scope, this);
	  var single = this.single = frag.childNodes.length === 1 &&
	  // do not go single mode if the only node is an anchor
	  !frag.childNodes[0].__vue_anchor;
	  if (single) {
	    this.node = frag.childNodes[0];
	    this.before = singleBefore;
	    this.remove = singleRemove;
	  } else {
	    this.node = createAnchor('fragment-start');
	    this.end = createAnchor('fragment-end');
	    this.frag = frag;
	    prepend(this.node, frag);
	    frag.appendChild(this.end);
	    this.before = multiBefore;
	    this.remove = multiRemove;
	  }
	  this.node.__vfrag__ = this;
	}

	/**
	 * Call attach/detach for all components contained within
	 * this fragment. Also do so recursively for all child
	 * fragments.
	 *
	 * @param {Function} hook
	 */

	Fragment.prototype.callHook = function (hook) {
	  var i, l;
	  for (i = 0, l = this.childFrags.length; i < l; i++) {
	    this.childFrags[i].callHook(hook);
	  }
	  for (i = 0, l = this.children.length; i < l; i++) {
	    hook(this.children[i]);
	  }
	};

	/**
	 * Insert fragment before target, single node version
	 *
	 * @param {Node} target
	 * @param {Boolean} withTransition
	 */

	function singleBefore(target, withTransition) {
	  this.inserted = true;
	  var method = withTransition !== false ? beforeWithTransition : before;
	  method(this.node, target, this.vm);
	  if (inDoc(this.node)) {
	    this.callHook(attach);
	  }
	}

	/**
	 * Remove fragment, single node version
	 */

	function singleRemove() {
	  this.inserted = false;
	  var shouldCallRemove = inDoc(this.node);
	  var self = this;
	  this.beforeRemove();
	  removeWithTransition(this.node, this.vm, function () {
	    if (shouldCallRemove) {
	      self.callHook(detach);
	    }
	    self.destroy();
	  });
	}

	/**
	 * Insert fragment before target, multi-nodes version
	 *
	 * @param {Node} target
	 * @param {Boolean} withTransition
	 */

	function multiBefore(target, withTransition) {
	  this.inserted = true;
	  var vm = this.vm;
	  var method = withTransition !== false ? beforeWithTransition : before;
	  mapNodeRange(this.node, this.end, function (node) {
	    method(node, target, vm);
	  });
	  if (inDoc(this.node)) {
	    this.callHook(attach);
	  }
	}

	/**
	 * Remove fragment, multi-nodes version
	 */

	function multiRemove() {
	  this.inserted = false;
	  var self = this;
	  var shouldCallRemove = inDoc(this.node);
	  this.beforeRemove();
	  removeNodeRange(this.node, this.end, this.vm, this.frag, function () {
	    if (shouldCallRemove) {
	      self.callHook(detach);
	    }
	    self.destroy();
	  });
	}

	/**
	 * Prepare the fragment for removal.
	 */

	Fragment.prototype.beforeRemove = function () {
	  var i, l;
	  for (i = 0, l = this.childFrags.length; i < l; i++) {
	    // call the same method recursively on child
	    // fragments, depth-first
	    this.childFrags[i].beforeRemove(false);
	  }
	  for (i = 0, l = this.children.length; i < l; i++) {
	    // Call destroy for all contained instances,
	    // with remove:false and defer:true.
	    // Defer is necessary because we need to
	    // keep the children to call detach hooks
	    // on them.
	    this.children[i].$destroy(false, true);
	  }
	  var dirs = this.unlink.dirs;
	  for (i = 0, l = dirs.length; i < l; i++) {
	    // disable the watchers on all the directives
	    // so that the rendered content stays the same
	    // during removal.
	    dirs[i]._watcher && dirs[i]._watcher.teardown();
	  }
	};

	/**
	 * Destroy the fragment.
	 */

	Fragment.prototype.destroy = function () {
	  if (this.parentFrag) {
	    this.parentFrag.childFrags.$remove(this);
	  }
	  this.node.__vfrag__ = null;
	  this.unlink();
	};

	/**
	 * Call attach hook for a Vue instance.
	 *
	 * @param {Vue} child
	 */

	function attach(child) {
	  if (!child._isAttached) {
	    child._callHook('attached');
	  }
	}

	/**
	 * Call detach hook for a Vue instance.
	 *
	 * @param {Vue} child
	 */

	function detach(child) {
	  if (child._isAttached) {
	    child._callHook('detached');
	  }
	}

	var linkerCache = new Cache(5000);

	/**
	 * A factory that can be used to create instances of a
	 * fragment. Caches the compiled linker if possible.
	 *
	 * @param {Vue} vm
	 * @param {Element|String} el
	 */
	function FragmentFactory(vm, el) {
	  this.vm = vm;
	  var template;
	  var isString = typeof el === 'string';
	  if (isString || isTemplate(el)) {
	    template = parseTemplate(el, true);
	  } else {
	    template = document.createDocumentFragment();
	    template.appendChild(el);
	  }
	  this.template = template;
	  // linker can be cached, but only for components
	  var linker;
	  var cid = vm.constructor.cid;
	  if (cid > 0) {
	    var cacheId = cid + (isString ? el : el.outerHTML);
	    linker = linkerCache.get(cacheId);
	    if (!linker) {
	      linker = compile(template, vm.$options, true);
	      linkerCache.put(cacheId, linker);
	    }
	  } else {
	    linker = compile(template, vm.$options, true);
	  }
	  this.linker = linker;
	}

	/**
	 * Create a fragment instance with given host and scope.
	 *
	 * @param {Vue} host
	 * @param {Object} scope
	 * @param {Fragment} parentFrag
	 */

	FragmentFactory.prototype.create = function (host, scope, parentFrag) {
	  var frag = cloneNode(this.template);
	  return new Fragment(this.linker, this.vm, frag, host, scope, parentFrag);
	};

	var vIf = {

	  priority: IF,

	  bind: function bind() {
	    var el = this.el;
	    if (!el.__vue__) {
	      // check else block
	      var next = el.nextElementSibling;
	      if (next && getAttr(next, 'v-else') !== null) {
	        remove(next);
	        this.elseFactory = new FragmentFactory(this.vm, next);
	      }
	      // check main block
	      this.anchor = createAnchor('v-if');
	      replace(el, this.anchor);
	      this.factory = new FragmentFactory(this.vm, el);
	    } else {
	      process.env.NODE_ENV !== 'production' && warn('v-if="' + this.expression + '" cannot be ' + 'used on an instance root element.');
	      this.invalid = true;
	    }
	  },

	  update: function update(value) {
	    if (this.invalid) return;
	    if (value) {
	      if (!this.frag) {
	        this.insert();
	      }
	    } else {
	      this.remove();
	    }
	  },

	  insert: function insert() {
	    if (this.elseFrag) {
	      this.elseFrag.remove();
	      this.elseFrag = null;
	    }
	    this.frag = this.factory.create(this._host, this._scope, this._frag);
	    this.frag.before(this.anchor);
	  },

	  remove: function remove() {
	    if (this.frag) {
	      this.frag.remove();
	      this.frag = null;
	    }
	    if (this.elseFactory && !this.elseFrag) {
	      this.elseFrag = this.elseFactory.create(this._host, this._scope, this._frag);
	      this.elseFrag.before(this.anchor);
	    }
	  },

	  unbind: function unbind() {
	    if (this.frag) {
	      this.frag.destroy();
	    }
	  }
	};

	var uid$1 = 0;

	var vFor = {

	  priority: FOR,

	  params: ['track-by', 'stagger', 'enter-stagger', 'leave-stagger'],

	  bind: function bind() {
	    // support "item in items" syntax
	    var inMatch = this.expression.match(/(.*) in (.*)/);
	    if (inMatch) {
	      var itMatch = inMatch[1].match(/\((.*),(.*)\)/);
	      if (itMatch) {
	        this.iterator = itMatch[1].trim();
	        this.alias = itMatch[2].trim();
	      } else {
	        this.alias = inMatch[1].trim();
	      }
	      this.expression = inMatch[2];
	    }

	    if (!this.alias) {
	      process.env.NODE_ENV !== 'production' && warn('Alias is required in v-for.');
	      return;
	    }

	    // uid as a cache identifier
	    this.id = '__v-for__' + ++uid$1;

	    // check if this is an option list,
	    // so that we know if we need to update the <select>'s
	    // v-model when the option list has changed.
	    // because v-model has a lower priority than v-for,
	    // the v-model is not bound here yet, so we have to
	    // retrive it in the actual updateModel() function.
	    var tag = this.el.tagName;
	    this.isOption = (tag === 'OPTION' || tag === 'OPTGROUP') && this.el.parentNode.tagName === 'SELECT';

	    // setup anchor nodes
	    this.start = createAnchor('v-for-start');
	    this.end = createAnchor('v-for-end');
	    replace(this.el, this.end);
	    before(this.start, this.end);

	    // cache
	    this.cache = Object.create(null);

	    // fragment factory
	    this.factory = new FragmentFactory(this.vm, this.el);
	  },

	  update: function update(data) {
	    this.diff(data);
	    this.updateRef();
	    this.updateModel();
	  },

	  /**
	   * Diff, based on new data and old data, determine the
	   * minimum amount of DOM manipulations needed to make the
	   * DOM reflect the new data Array.
	   *
	   * The algorithm diffs the new data Array by storing a
	   * hidden reference to an owner vm instance on previously
	   * seen data. This allows us to achieve O(n) which is
	   * better than a levenshtein distance based algorithm,
	   * which is O(m * n).
	   *
	   * @param {Array} data
	   */

	  diff: function diff(data) {
	    // check if the Array was converted from an Object
	    var item = data[0];
	    var convertedFromObject = this.fromObject = isObject(item) && hasOwn(item, '$key') && hasOwn(item, '$value');

	    var trackByKey = this.params.trackBy;
	    var oldFrags = this.frags;
	    var frags = this.frags = new Array(data.length);
	    var alias = this.alias;
	    var iterator = this.iterator;
	    var start = this.start;
	    var end = this.end;
	    var inDocument = inDoc(start);
	    var init = !oldFrags;
	    var i, l, frag, key, value, primitive;

	    // First pass, go through the new Array and fill up
	    // the new frags array. If a piece of data has a cached
	    // instance for it, we reuse it. Otherwise build a new
	    // instance.
	    for (i = 0, l = data.length; i < l; i++) {
	      item = data[i];
	      key = convertedFromObject ? item.$key : null;
	      value = convertedFromObject ? item.$value : item;
	      primitive = !isObject(value);
	      frag = !init && this.getCachedFrag(value, i, key);
	      if (frag) {
	        // reusable fragment
	        frag.reused = true;
	        // update $index
	        frag.scope.$index = i;
	        // update $key
	        if (key) {
	          frag.scope.$key = key;
	        }
	        // update iterator
	        if (iterator) {
	          frag.scope[iterator] = key !== null ? key : i;
	        }
	        // update data for track-by, object repeat &
	        // primitive values.
	        if (trackByKey || convertedFromObject || primitive) {
	          frag.scope[alias] = value;
	        }
	      } else {
	        // new isntance
	        frag = this.create(value, alias, i, key);
	        frag.fresh = !init;
	      }
	      frags[i] = frag;
	      if (init) {
	        frag.before(end);
	      }
	    }

	    // we're done for the initial render.
	    if (init) {
	      return;
	    }

	    // Second pass, go through the old fragments and
	    // destroy those who are not reused (and remove them
	    // from cache)
	    var removalIndex = 0;
	    var totalRemoved = oldFrags.length - frags.length;
	    for (i = 0, l = oldFrags.length; i < l; i++) {
	      frag = oldFrags[i];
	      if (!frag.reused) {
	        this.deleteCachedFrag(frag);
	        this.remove(frag, removalIndex++, totalRemoved, inDocument);
	      }
	    }

	    // Final pass, move/insert new fragments into the
	    // right place.
	    var targetPrev, prevEl, currentPrev;
	    var insertionIndex = 0;
	    for (i = 0, l = frags.length; i < l; i++) {
	      frag = frags[i];
	      // this is the frag that we should be after
	      targetPrev = frags[i - 1];
	      prevEl = targetPrev ? targetPrev.staggerCb ? targetPrev.staggerAnchor : targetPrev.end || targetPrev.node : start;
	      if (frag.reused && !frag.staggerCb) {
	        currentPrev = findPrevFrag(frag, start, this.id);
	        if (currentPrev !== targetPrev && (!currentPrev ||
	        // optimization for moving a single item.
	        // thanks to suggestions by @livoras in #1807
	        findPrevFrag(currentPrev, start, this.id) !== targetPrev)) {
	          this.move(frag, prevEl);
	        }
	      } else {
	        // new instance, or still in stagger.
	        // insert with updated stagger index.
	        this.insert(frag, insertionIndex++, prevEl, inDocument);
	      }
	      frag.reused = frag.fresh = false;
	    }
	  },

	  /**
	   * Create a new fragment instance.
	   *
	   * @param {*} value
	   * @param {String} alias
	   * @param {Number} index
	   * @param {String} [key]
	   * @return {Fragment}
	   */

	  create: function create(value, alias, index, key) {
	    var host = this._host;
	    // create iteration scope
	    var parentScope = this._scope || this.vm;
	    var scope = Object.create(parentScope);
	    // ref holder for the scope
	    scope.$refs = Object.create(parentScope.$refs);
	    scope.$els = Object.create(parentScope.$els);
	    // make sure point $parent to parent scope
	    scope.$parent = parentScope;
	    // for two-way binding on alias
	    scope.$forContext = this;
	    // define scope properties
	    defineReactive(scope, alias, value);
	    defineReactive(scope, '$index', index);
	    if (key) {
	      defineReactive(scope, '$key', key);
	    } else if (scope.$key) {
	      // avoid accidental fallback
	      def(scope, '$key', null);
	    }
	    if (this.iterator) {
	      defineReactive(scope, this.iterator, key !== null ? key : index);
	    }
	    var frag = this.factory.create(host, scope, this._frag);
	    frag.forId = this.id;
	    this.cacheFrag(value, frag, index, key);
	    return frag;
	  },

	  /**
	   * Update the v-ref on owner vm.
	   */

	  updateRef: function updateRef() {
	    var ref = this.descriptor.ref;
	    if (!ref) return;
	    var hash = (this._scope || this.vm).$refs;
	    var refs;
	    if (!this.fromObject) {
	      refs = this.frags.map(findVmFromFrag);
	    } else {
	      refs = {};
	      this.frags.forEach(function (frag) {
	        refs[frag.scope.$key] = findVmFromFrag(frag);
	      });
	    }
	    hash[ref] = refs;
	  },

	  /**
	   * For option lists, update the containing v-model on
	   * parent <select>.
	   */

	  updateModel: function updateModel() {
	    if (this.isOption) {
	      var parent = this.start.parentNode;
	      var model = parent && parent.__v_model;
	      if (model) {
	        model.forceUpdate();
	      }
	    }
	  },

	  /**
	   * Insert a fragment. Handles staggering.
	   *
	   * @param {Fragment} frag
	   * @param {Number} index
	   * @param {Node} prevEl
	   * @param {Boolean} inDocument
	   */

	  insert: function insert(frag, index, prevEl, inDocument) {
	    if (frag.staggerCb) {
	      frag.staggerCb.cancel();
	      frag.staggerCb = null;
	    }
	    var staggerAmount = this.getStagger(frag, index, null, 'enter');
	    if (inDocument && staggerAmount) {
	      // create an anchor and insert it synchronously,
	      // so that we can resolve the correct order without
	      // worrying about some elements not inserted yet
	      var anchor = frag.staggerAnchor;
	      if (!anchor) {
	        anchor = frag.staggerAnchor = createAnchor('stagger-anchor');
	        anchor.__vfrag__ = frag;
	      }
	      after(anchor, prevEl);
	      var op = frag.staggerCb = cancellable(function () {
	        frag.staggerCb = null;
	        frag.before(anchor);
	        remove(anchor);
	      });
	      setTimeout(op, staggerAmount);
	    } else {
	      frag.before(prevEl.nextSibling);
	    }
	  },

	  /**
	   * Remove a fragment. Handles staggering.
	   *
	   * @param {Fragment} frag
	   * @param {Number} index
	   * @param {Number} total
	   * @param {Boolean} inDocument
	   */

	  remove: function remove(frag, index, total, inDocument) {
	    if (frag.staggerCb) {
	      frag.staggerCb.cancel();
	      frag.staggerCb = null;
	      // it's not possible for the same frag to be removed
	      // twice, so if we have a pending stagger callback,
	      // it means this frag is queued for enter but removed
	      // before its transition started. Since it is already
	      // destroyed, we can just leave it in detached state.
	      return;
	    }
	    var staggerAmount = this.getStagger(frag, index, total, 'leave');
	    if (inDocument && staggerAmount) {
	      var op = frag.staggerCb = cancellable(function () {
	        frag.staggerCb = null;
	        frag.remove();
	      });
	      setTimeout(op, staggerAmount);
	    } else {
	      frag.remove();
	    }
	  },

	  /**
	   * Move a fragment to a new position.
	   * Force no transition.
	   *
	   * @param {Fragment} frag
	   * @param {Node} prevEl
	   */

	  move: function move(frag, prevEl) {
	    // fix a common issue with Sortable:
	    // if prevEl doesn't have nextSibling, this means it's
	    // been dragged after the end anchor. Just re-position
	    // the end anchor to the end of the container.
	    /* istanbul ignore if */
	    if (!prevEl.nextSibling) {
	      this.end.parentNode.appendChild(this.end);
	    }
	    frag.before(prevEl.nextSibling, false);
	  },

	  /**
	   * Cache a fragment using track-by or the object key.
	   *
	   * @param {*} value
	   * @param {Fragment} frag
	   * @param {Number} index
	   * @param {String} [key]
	   */

	  cacheFrag: function cacheFrag(value, frag, index, key) {
	    var trackByKey = this.params.trackBy;
	    var cache = this.cache;
	    var primitive = !isObject(value);
	    var id;
	    if (key || trackByKey || primitive) {
	      id = trackByKey ? trackByKey === '$index' ? index : value[trackByKey] : key || value;
	      if (!cache[id]) {
	        cache[id] = frag;
	      } else if (trackByKey !== '$index') {
	        process.env.NODE_ENV !== 'production' && this.warnDuplicate(value);
	      }
	    } else {
	      id = this.id;
	      if (hasOwn(value, id)) {
	        if (value[id] === null) {
	          value[id] = frag;
	        } else {
	          process.env.NODE_ENV !== 'production' && this.warnDuplicate(value);
	        }
	      } else {
	        def(value, id, frag);
	      }
	    }
	    frag.raw = value;
	  },

	  /**
	   * Get a cached fragment from the value/index/key
	   *
	   * @param {*} value
	   * @param {Number} index
	   * @param {String} key
	   * @return {Fragment}
	   */

	  getCachedFrag: function getCachedFrag(value, index, key) {
	    var trackByKey = this.params.trackBy;
	    var primitive = !isObject(value);
	    var frag;
	    if (key || trackByKey || primitive) {
	      var id = trackByKey ? trackByKey === '$index' ? index : value[trackByKey] : key || value;
	      frag = this.cache[id];
	    } else {
	      frag = value[this.id];
	    }
	    if (frag && (frag.reused || frag.fresh)) {
	      process.env.NODE_ENV !== 'production' && this.warnDuplicate(value);
	    }
	    return frag;
	  },

	  /**
	   * Delete a fragment from cache.
	   *
	   * @param {Fragment} frag
	   */

	  deleteCachedFrag: function deleteCachedFrag(frag) {
	    var value = frag.raw;
	    var trackByKey = this.params.trackBy;
	    var scope = frag.scope;
	    var index = scope.$index;
	    // fix #948: avoid accidentally fall through to
	    // a parent repeater which happens to have $key.
	    var key = hasOwn(scope, '$key') && scope.$key;
	    var primitive = !isObject(value);
	    if (trackByKey || key || primitive) {
	      var id = trackByKey ? trackByKey === '$index' ? index : value[trackByKey] : key || value;
	      this.cache[id] = null;
	    } else {
	      value[this.id] = null;
	      frag.raw = null;
	    }
	  },

	  /**
	   * Get the stagger amount for an insertion/removal.
	   *
	   * @param {Fragment} frag
	   * @param {Number} index
	   * @param {Number} total
	   * @param {String} type
	   */

	  getStagger: function getStagger(frag, index, total, type) {
	    type = type + 'Stagger';
	    var trans = frag.node.__v_trans;
	    var hooks = trans && trans.hooks;
	    var hook = hooks && (hooks[type] || hooks.stagger);
	    return hook ? hook.call(frag, index, total) : index * parseInt(this.params[type] || this.params.stagger, 10);
	  },

	  /**
	   * Pre-process the value before piping it through the
	   * filters. This is passed to and called by the watcher.
	   */

	  _preProcess: function _preProcess(value) {
	    // regardless of type, store the un-filtered raw value.
	    this.rawValue = value;
	    return value;
	  },

	  /**
	   * Post-process the value after it has been piped through
	   * the filters. This is passed to and called by the watcher.
	   *
	   * It is necessary for this to be called during the
	   * wathcer's dependency collection phase because we want
	   * the v-for to update when the source Object is mutated.
	   */

	  _postProcess: function _postProcess(value) {
	    if (isArray(value)) {
	      return value;
	    } else if (isPlainObject(value)) {
	      // convert plain object to array.
	      var keys = Object.keys(value);
	      var i = keys.length;
	      var res = new Array(i);
	      var key;
	      while (i--) {
	        key = keys[i];
	        res[i] = {
	          $key: key,
	          $value: value[key]
	        };
	      }
	      return res;
	    } else {
	      if (typeof value === 'number') {
	        value = range(value);
	      }
	      return value || [];
	    }
	  },

	  unbind: function unbind() {
	    if (this.descriptor.ref) {
	      (this._scope || this.vm).$refs[this.descriptor.ref] = null;
	    }
	    if (this.frags) {
	      var i = this.frags.length;
	      var frag;
	      while (i--) {
	        frag = this.frags[i];
	        this.deleteCachedFrag(frag);
	        frag.destroy();
	      }
	    }
	  }
	};

	/**
	 * Helper to find the previous element that is a fragment
	 * anchor. This is necessary because a destroyed frag's
	 * element could still be lingering in the DOM before its
	 * leaving transition finishes, but its inserted flag
	 * should have been set to false so we can skip them.
	 *
	 * If this is a block repeat, we want to make sure we only
	 * return frag that is bound to this v-for. (see #929)
	 *
	 * @param {Fragment} frag
	 * @param {Comment|Text} anchor
	 * @param {String} id
	 * @return {Fragment}
	 */

	function findPrevFrag(frag, anchor, id) {
	  var el = frag.node.previousSibling;
	  /* istanbul ignore if */
	  if (!el) return;
	  frag = el.__vfrag__;
	  while ((!frag || frag.forId !== id || !frag.inserted) && el !== anchor) {
	    el = el.previousSibling;
	    /* istanbul ignore if */
	    if (!el) return;
	    frag = el.__vfrag__;
	  }
	  return frag;
	}

	/**
	 * Find a vm from a fragment.
	 *
	 * @param {Fragment} frag
	 * @return {Vue|undefined}
	 */

	function findVmFromFrag(frag) {
	  var node = frag.node;
	  // handle multi-node frag
	  if (frag.end) {
	    while (!node.__vue__ && node !== frag.end && node.nextSibling) {
	      node = node.nextSibling;
	    }
	  }
	  return node.__vue__;
	}

	/**
	 * Create a range array from given number.
	 *
	 * @param {Number} n
	 * @return {Array}
	 */

	function range(n) {
	  var i = -1;
	  var ret = new Array(n);
	  while (++i < n) {
	    ret[i] = i;
	  }
	  return ret;
	}

	if (process.env.NODE_ENV !== 'production') {
	  vFor.warnDuplicate = function (value) {
	    warn('Duplicate value found in v-for="' + this.descriptor.raw + '": ' + JSON.stringify(value) + '. Use track-by="$index" if ' + 'you are expecting duplicate values.');
	  };
	}

	var html = {

	  bind: function bind() {
	    // a comment node means this is a binding for
	    // {{{ inline unescaped html }}}
	    if (this.el.nodeType === 8) {
	      // hold nodes
	      this.nodes = [];
	      // replace the placeholder with proper anchor
	      this.anchor = createAnchor('v-html');
	      replace(this.el, this.anchor);
	    }
	  },

	  update: function update(value) {
	    value = _toString(value);
	    if (this.nodes) {
	      this.swap(value);
	    } else {
	      this.el.innerHTML = value;
	    }
	  },

	  swap: function swap(value) {
	    // remove old nodes
	    var i = this.nodes.length;
	    while (i--) {
	      remove(this.nodes[i]);
	    }
	    // convert new value to a fragment
	    // do not attempt to retrieve from id selector
	    var frag = parseTemplate(value, true, true);
	    // save a reference to these nodes so we can remove later
	    this.nodes = toArray(frag.childNodes);
	    before(frag, this.anchor);
	  }
	};

	var text = {

	  bind: function bind() {
	    this.attr = this.el.nodeType === 3 ? 'data' : 'textContent';
	  },

	  update: function update(value) {
	    this.el[this.attr] = _toString(value);
	  }
	};

	// must export plain object
	var publicDirectives = {
	  text: text,
	  html: html,
	  'for': vFor,
	  'if': vIf,
	  show: show,
	  model: model,
	  on: on,
	  bind: bind,
	  el: el,
	  ref: ref,
	  cloak: cloak
	};

	var queue$1 = [];
	var queued = false;

	/**
	 * Push a job into the queue.
	 *
	 * @param {Function} job
	 */

	function pushJob(job) {
	  queue$1.push(job);
	  if (!queued) {
	    queued = true;
	    nextTick(flush);
	  }
	}

	/**
	 * Flush the queue, and do one forced reflow before
	 * triggering transitions.
	 */

	function flush() {
	  // Force layout
	  var f = document.documentElement.offsetHeight;
	  for (var i = 0; i < queue$1.length; i++) {
	    queue$1[i]();
	  }
	  queue$1 = [];
	  queued = false;
	  // dummy return, so js linters don't complain about
	  // unused variable f
	  return f;
	}

	var TYPE_TRANSITION = 'transition';
	var TYPE_ANIMATION = 'animation';
	var transDurationProp = transitionProp + 'Duration';
	var animDurationProp = animationProp + 'Duration';

	/**
	 * A Transition object that encapsulates the state and logic
	 * of the transition.
	 *
	 * @param {Element} el
	 * @param {String} id
	 * @param {Object} hooks
	 * @param {Vue} vm
	 */
	function Transition(el, id, hooks, vm) {
	  this.id = id;
	  this.el = el;
	  this.enterClass = hooks && hooks.enterClass || id + '-enter';
	  this.leaveClass = hooks && hooks.leaveClass || id + '-leave';
	  this.hooks = hooks;
	  this.vm = vm;
	  // async state
	  this.pendingCssEvent = this.pendingCssCb = this.cancel = this.pendingJsCb = this.op = this.cb = null;
	  this.justEntered = false;
	  this.entered = this.left = false;
	  this.typeCache = {};
	  // check css transition type
	  this.type = hooks && hooks.type;
	  /* istanbul ignore if */
	  if (process.env.NODE_ENV !== 'production') {
	    if (this.type && this.type !== TYPE_TRANSITION && this.type !== TYPE_ANIMATION) {
	      warn('invalid CSS transition type for transition="' + this.id + '": ' + this.type);
	    }
	  }
	  // bind
	  var self = this;['enterNextTick', 'enterDone', 'leaveNextTick', 'leaveDone'].forEach(function (m) {
	    self[m] = bind$1(self[m], self);
	  });
	}

	var p$1 = Transition.prototype;

	/**
	 * Start an entering transition.
	 *
	 * 1. enter transition triggered
	 * 2. call beforeEnter hook
	 * 3. add enter class
	 * 4. insert/show element
	 * 5. call enter hook (with possible explicit js callback)
	 * 6. reflow
	 * 7. based on transition type:
	 *    - transition:
	 *        remove class now, wait for transitionend,
	 *        then done if there's no explicit js callback.
	 *    - animation:
	 *        wait for animationend, remove class,
	 *        then done if there's no explicit js callback.
	 *    - no css transition:
	 *        done now if there's no explicit js callback.
	 * 8. wait for either done or js callback, then call
	 *    afterEnter hook.
	 *
	 * @param {Function} op - insert/show the element
	 * @param {Function} [cb]
	 */

	p$1.enter = function (op, cb) {
	  this.cancelPending();
	  this.callHook('beforeEnter');
	  this.cb = cb;
	  addClass(this.el, this.enterClass);
	  op();
	  this.entered = false;
	  this.callHookWithCb('enter');
	  if (this.entered) {
	    return; // user called done synchronously.
	  }
	  this.cancel = this.hooks && this.hooks.enterCancelled;
	  pushJob(this.enterNextTick);
	};

	/**
	 * The "nextTick" phase of an entering transition, which is
	 * to be pushed into a queue and executed after a reflow so
	 * that removing the class can trigger a CSS transition.
	 */

	p$1.enterNextTick = function () {

	  // Important hack:
	  // in Chrome, if a just-entered element is applied the
	  // leave class while its interpolated property still has
	  // a very small value (within one frame), Chrome will
	  // skip the leave transition entirely and not firing the
	  // transtionend event. Therefore we need to protected
	  // against such cases using a one-frame timeout.
	  this.justEntered = true;
	  var self = this;
	  setTimeout(function () {
	    self.justEntered = false;
	  }, 17);

	  var enterDone = this.enterDone;
	  var type = this.getCssTransitionType(this.enterClass);
	  if (!this.pendingJsCb) {
	    if (type === TYPE_TRANSITION) {
	      // trigger transition by removing enter class now
	      removeClass(this.el, this.enterClass);
	      this.setupCssCb(transitionEndEvent, enterDone);
	    } else if (type === TYPE_ANIMATION) {
	      this.setupCssCb(animationEndEvent, enterDone);
	    } else {
	      enterDone();
	    }
	  } else if (type === TYPE_TRANSITION) {
	    removeClass(this.el, this.enterClass);
	  }
	};

	/**
	 * The "cleanup" phase of an entering transition.
	 */

	p$1.enterDone = function () {
	  this.entered = true;
	  this.cancel = this.pendingJsCb = null;
	  removeClass(this.el, this.enterClass);
	  this.callHook('afterEnter');
	  if (this.cb) this.cb();
	};

	/**
	 * Start a leaving transition.
	 *
	 * 1. leave transition triggered.
	 * 2. call beforeLeave hook
	 * 3. add leave class (trigger css transition)
	 * 4. call leave hook (with possible explicit js callback)
	 * 5. reflow if no explicit js callback is provided
	 * 6. based on transition type:
	 *    - transition or animation:
	 *        wait for end event, remove class, then done if
	 *        there's no explicit js callback.
	 *    - no css transition:
	 *        done if there's no explicit js callback.
	 * 7. wait for either done or js callback, then call
	 *    afterLeave hook.
	 *
	 * @param {Function} op - remove/hide the element
	 * @param {Function} [cb]
	 */

	p$1.leave = function (op, cb) {
	  this.cancelPending();
	  this.callHook('beforeLeave');
	  this.op = op;
	  this.cb = cb;
	  addClass(this.el, this.leaveClass);
	  this.left = false;
	  this.callHookWithCb('leave');
	  if (this.left) {
	    return; // user called done synchronously.
	  }
	  this.cancel = this.hooks && this.hooks.leaveCancelled;
	  // only need to handle leaveDone if
	  // 1. the transition is already done (synchronously called
	  //    by the user, which causes this.op set to null)
	  // 2. there's no explicit js callback
	  if (this.op && !this.pendingJsCb) {
	    // if a CSS transition leaves immediately after enter,
	    // the transitionend event never fires. therefore we
	    // detect such cases and end the leave immediately.
	    if (this.justEntered) {
	      this.leaveDone();
	    } else {
	      pushJob(this.leaveNextTick);
	    }
	  }
	};

	/**
	 * The "nextTick" phase of a leaving transition.
	 */

	p$1.leaveNextTick = function () {
	  var type = this.getCssTransitionType(this.leaveClass);
	  if (type) {
	    var event = type === TYPE_TRANSITION ? transitionEndEvent : animationEndEvent;
	    this.setupCssCb(event, this.leaveDone);
	  } else {
	    this.leaveDone();
	  }
	};

	/**
	 * The "cleanup" phase of a leaving transition.
	 */

	p$1.leaveDone = function () {
	  this.left = true;
	  this.cancel = this.pendingJsCb = null;
	  this.op();
	  removeClass(this.el, this.leaveClass);
	  this.callHook('afterLeave');
	  if (this.cb) this.cb();
	  this.op = null;
	};

	/**
	 * Cancel any pending callbacks from a previously running
	 * but not finished transition.
	 */

	p$1.cancelPending = function () {
	  this.op = this.cb = null;
	  var hasPending = false;
	  if (this.pendingCssCb) {
	    hasPending = true;
	    off(this.el, this.pendingCssEvent, this.pendingCssCb);
	    this.pendingCssEvent = this.pendingCssCb = null;
	  }
	  if (this.pendingJsCb) {
	    hasPending = true;
	    this.pendingJsCb.cancel();
	    this.pendingJsCb = null;
	  }
	  if (hasPending) {
	    removeClass(this.el, this.enterClass);
	    removeClass(this.el, this.leaveClass);
	  }
	  if (this.cancel) {
	    this.cancel.call(this.vm, this.el);
	    this.cancel = null;
	  }
	};

	/**
	 * Call a user-provided synchronous hook function.
	 *
	 * @param {String} type
	 */

	p$1.callHook = function (type) {
	  if (this.hooks && this.hooks[type]) {
	    this.hooks[type].call(this.vm, this.el);
	  }
	};

	/**
	 * Call a user-provided, potentially-async hook function.
	 * We check for the length of arguments to see if the hook
	 * expects a `done` callback. If true, the transition's end
	 * will be determined by when the user calls that callback;
	 * otherwise, the end is determined by the CSS transition or
	 * animation.
	 *
	 * @param {String} type
	 */

	p$1.callHookWithCb = function (type) {
	  var hook = this.hooks && this.hooks[type];
	  if (hook) {
	    if (hook.length > 1) {
	      this.pendingJsCb = cancellable(this[type + 'Done']);
	    }
	    hook.call(this.vm, this.el, this.pendingJsCb);
	  }
	};

	/**
	 * Get an element's transition type based on the
	 * calculated styles.
	 *
	 * @param {String} className
	 * @return {Number}
	 */

	p$1.getCssTransitionType = function (className) {
	  /* istanbul ignore if */
	  if (!transitionEndEvent ||
	  // skip CSS transitions if page is not visible -
	  // this solves the issue of transitionend events not
	  // firing until the page is visible again.
	  // pageVisibility API is supported in IE10+, same as
	  // CSS transitions.
	  document.hidden ||
	  // explicit js-only transition
	  this.hooks && this.hooks.css === false ||
	  // element is hidden
	  isHidden(this.el)) {
	    return;
	  }
	  var type = this.type || this.typeCache[className];
	  if (type) return type;
	  var inlineStyles = this.el.style;
	  var computedStyles = window.getComputedStyle(this.el);
	  var transDuration = inlineStyles[transDurationProp] || computedStyles[transDurationProp];
	  if (transDuration && transDuration !== '0s') {
	    type = TYPE_TRANSITION;
	  } else {
	    var animDuration = inlineStyles[animDurationProp] || computedStyles[animDurationProp];
	    if (animDuration && animDuration !== '0s') {
	      type = TYPE_ANIMATION;
	    }
	  }
	  if (type) {
	    this.typeCache[className] = type;
	  }
	  return type;
	};

	/**
	 * Setup a CSS transitionend/animationend callback.
	 *
	 * @param {String} event
	 * @param {Function} cb
	 */

	p$1.setupCssCb = function (event, cb) {
	  this.pendingCssEvent = event;
	  var self = this;
	  var el = this.el;
	  var onEnd = this.pendingCssCb = function (e) {
	    if (e.target === el) {
	      off(el, event, onEnd);
	      self.pendingCssEvent = self.pendingCssCb = null;
	      if (!self.pendingJsCb && cb) {
	        cb();
	      }
	    }
	  };
	  on$1(el, event, onEnd);
	};

	/**
	 * Check if an element is hidden - in that case we can just
	 * skip the transition alltogether.
	 *
	 * @param {Element} el
	 * @return {Boolean}
	 */

	function isHidden(el) {
	  return !(el.offsetWidth || el.offsetHeight || el.getClientRects().length);
	}

	var transition = {

	  priority: TRANSITION,

	  update: function update(id, oldId) {
	    var el = this.el;
	    // resolve on owner vm
	    var hooks = resolveAsset(this.vm.$options, 'transitions', id);
	    id = id || 'v';
	    // apply on closest vm
	    el.__v_trans = new Transition(el, id, hooks, this.el.__vue__ || this.vm);
	    if (oldId) {
	      removeClass(el, oldId + '-transition');
	    }
	    addClass(el, id + '-transition');
	  }
	};

	var bindingModes = config._propBindingModes;

	var propDef = {

	  bind: function bind() {

	    var child = this.vm;
	    var parent = child._context;
	    // passed in from compiler directly
	    var prop = this.descriptor.prop;
	    var childKey = prop.path;
	    var parentKey = prop.parentPath;
	    var twoWay = prop.mode === bindingModes.TWO_WAY;

	    var parentWatcher = this.parentWatcher = new Watcher(parent, parentKey, function (val) {
	      val = coerceProp(prop, val);
	      if (assertProp(prop, val)) {
	        child[childKey] = val;
	      }
	    }, {
	      twoWay: twoWay,
	      filters: prop.filters,
	      // important: props need to be observed on the
	      // v-for scope if present
	      scope: this._scope
	    });

	    // set the child initial value.
	    initProp(child, prop, parentWatcher.value);

	    // setup two-way binding
	    if (twoWay) {
	      // important: defer the child watcher creation until
	      // the created hook (after data observation)
	      var self = this;
	      child.$once('pre-hook:created', function () {
	        self.childWatcher = new Watcher(child, childKey, function (val) {
	          parentWatcher.set(val);
	        }, {
	          // ensure sync upward before parent sync down.
	          // this is necessary in cases e.g. the child
	          // mutates a prop array, then replaces it. (#1683)
	          sync: true
	        });
	      });
	    }
	  },

	  unbind: function unbind() {
	    this.parentWatcher.teardown();
	    if (this.childWatcher) {
	      this.childWatcher.teardown();
	    }
	  }
	};

	var component = {

	  priority: COMPONENT,

	  params: ['keep-alive', 'transition-mode', 'inline-template'],

	  /**
	   * Setup. Two possible usages:
	   *
	   * - static:
	   *   <comp> or <div v-component="comp">
	   *
	   * - dynamic:
	   *   <component :is="view">
	   */

	  bind: function bind() {
	    if (!this.el.__vue__) {
	      // keep-alive cache
	      this.keepAlive = this.params.keepAlive;
	      if (this.keepAlive) {
	        this.cache = {};
	      }
	      // check inline-template
	      if (this.params.inlineTemplate) {
	        // extract inline template as a DocumentFragment
	        this.inlineTemplate = extractContent(this.el, true);
	      }
	      // component resolution related state
	      this.pendingComponentCb = this.Component = null;
	      // transition related state
	      this.pendingRemovals = 0;
	      this.pendingRemovalCb = null;
	      // create a ref anchor
	      this.anchor = createAnchor('v-component');
	      replace(this.el, this.anchor);
	      // remove is attribute.
	      // this is removed during compilation, but because compilation is
	      // cached, when the component is used elsewhere this attribute
	      // will remain at link time.
	      this.el.removeAttribute('is');
	      // remove ref, same as above
	      if (this.descriptor.ref) {
	        this.el.removeAttribute('v-ref:' + hyphenate(this.descriptor.ref));
	      }
	      // if static, build right now.
	      if (this.literal) {
	        this.setComponent(this.expression);
	      }
	    } else {
	      process.env.NODE_ENV !== 'production' && warn('cannot mount component "' + this.expression + '" ' + 'on already mounted element: ' + this.el);
	    }
	  },

	  /**
	   * Public update, called by the watcher in the dynamic
	   * literal scenario, e.g. <component :is="view">
	   */

	  update: function update(value) {
	    if (!this.literal) {
	      this.setComponent(value);
	    }
	  },

	  /**
	   * Switch dynamic components. May resolve the component
	   * asynchronously, and perform transition based on
	   * specified transition mode. Accepts a few additional
	   * arguments specifically for vue-router.
	   *
	   * The callback is called when the full transition is
	   * finished.
	   *
	   * @param {String} value
	   * @param {Function} [cb]
	   */

	  setComponent: function setComponent(value, cb) {
	    this.invalidatePending();
	    if (!value) {
	      // just remove current
	      this.unbuild(true);
	      this.remove(this.childVM, cb);
	      this.childVM = null;
	    } else {
	      var self = this;
	      this.resolveComponent(value, function () {
	        self.mountComponent(cb);
	      });
	    }
	  },

	  /**
	   * Resolve the component constructor to use when creating
	   * the child vm.
	   */

	  resolveComponent: function resolveComponent(id, cb) {
	    var self = this;
	    this.pendingComponentCb = cancellable(function (Component) {
	      self.ComponentName = Component.options.name || id;
	      self.Component = Component;
	      cb();
	    });
	    this.vm._resolveComponent(id, this.pendingComponentCb);
	  },

	  /**
	   * Create a new instance using the current constructor and
	   * replace the existing instance. This method doesn't care
	   * whether the new component and the old one are actually
	   * the same.
	   *
	   * @param {Function} [cb]
	   */

	  mountComponent: function mountComponent(cb) {
	    // actual mount
	    this.unbuild(true);
	    var self = this;
	    var activateHook = this.Component.options.activate;
	    var cached = this.getCached();
	    var newComponent = this.build();
	    if (activateHook && !cached) {
	      this.waitingFor = newComponent;
	      activateHook.call(newComponent, function () {
	        if (self.waitingFor !== newComponent) {
	          return;
	        }
	        self.waitingFor = null;
	        self.transition(newComponent, cb);
	      });
	    } else {
	      // update ref for kept-alive component
	      if (cached) {
	        newComponent._updateRef();
	      }
	      this.transition(newComponent, cb);
	    }
	  },

	  /**
	   * When the component changes or unbinds before an async
	   * constructor is resolved, we need to invalidate its
	   * pending callback.
	   */

	  invalidatePending: function invalidatePending() {
	    if (this.pendingComponentCb) {
	      this.pendingComponentCb.cancel();
	      this.pendingComponentCb = null;
	    }
	  },

	  /**
	   * Instantiate/insert a new child vm.
	   * If keep alive and has cached instance, insert that
	   * instance; otherwise build a new one and cache it.
	   *
	   * @param {Object} [extraOptions]
	   * @return {Vue} - the created instance
	   */

	  build: function build(extraOptions) {
	    var cached = this.getCached();
	    if (cached) {
	      return cached;
	    }
	    if (this.Component) {
	      // default options
	      var options = {
	        name: this.ComponentName,
	        el: cloneNode(this.el),
	        template: this.inlineTemplate,
	        // make sure to add the child with correct parent
	        // if this is a transcluded component, its parent
	        // should be the transclusion host.
	        parent: this._host || this.vm,
	        // if no inline-template, then the compiled
	        // linker can be cached for better performance.
	        _linkerCachable: !this.inlineTemplate,
	        _ref: this.descriptor.ref,
	        _asComponent: true,
	        _isRouterView: this._isRouterView,
	        // if this is a transcluded component, context
	        // will be the common parent vm of this instance
	        // and its host.
	        _context: this.vm,
	        // if this is inside an inline v-for, the scope
	        // will be the intermediate scope created for this
	        // repeat fragment. this is used for linking props
	        // and container directives.
	        _scope: this._scope,
	        // pass in the owner fragment of this component.
	        // this is necessary so that the fragment can keep
	        // track of its contained components in order to
	        // call attach/detach hooks for them.
	        _frag: this._frag
	      };
	      // extra options
	      // in 1.0.0 this is used by vue-router only
	      /* istanbul ignore if */
	      if (extraOptions) {
	        extend(options, extraOptions);
	      }
	      var child = new this.Component(options);
	      if (this.keepAlive) {
	        this.cache[this.Component.cid] = child;
	      }
	      /* istanbul ignore if */
	      if (process.env.NODE_ENV !== 'production' && this.el.hasAttribute('transition') && child._isFragment) {
	        warn('Transitions will not work on a fragment instance. ' + 'Template: ' + child.$options.template);
	      }
	      return child;
	    }
	  },

	  /**
	   * Try to get a cached instance of the current component.
	   *
	   * @return {Vue|undefined}
	   */

	  getCached: function getCached() {
	    return this.keepAlive && this.cache[this.Component.cid];
	  },

	  /**
	   * Teardown the current child, but defers cleanup so
	   * that we can separate the destroy and removal steps.
	   *
	   * @param {Boolean} defer
	   */

	  unbuild: function unbuild(defer) {
	    if (this.waitingFor) {
	      this.waitingFor.$destroy();
	      this.waitingFor = null;
	    }
	    var child = this.childVM;
	    if (!child || this.keepAlive) {
	      if (child) {
	        // remove ref
	        child._updateRef(true);
	      }
	      return;
	    }
	    // the sole purpose of `deferCleanup` is so that we can
	    // "deactivate" the vm right now and perform DOM removal
	    // later.
	    child.$destroy(false, defer);
	  },

	  /**
	   * Remove current destroyed child and manually do
	   * the cleanup after removal.
	   *
	   * @param {Function} cb
	   */

	  remove: function remove(child, cb) {
	    var keepAlive = this.keepAlive;
	    if (child) {
	      // we may have a component switch when a previous
	      // component is still being transitioned out.
	      // we want to trigger only one lastest insertion cb
	      // when the existing transition finishes. (#1119)
	      this.pendingRemovals++;
	      this.pendingRemovalCb = cb;
	      var self = this;
	      child.$remove(function () {
	        self.pendingRemovals--;
	        if (!keepAlive) child._cleanup();
	        if (!self.pendingRemovals && self.pendingRemovalCb) {
	          self.pendingRemovalCb();
	          self.pendingRemovalCb = null;
	        }
	      });
	    } else if (cb) {
	      cb();
	    }
	  },

	  /**
	   * Actually swap the components, depending on the
	   * transition mode. Defaults to simultaneous.
	   *
	   * @param {Vue} target
	   * @param {Function} [cb]
	   */

	  transition: function transition(target, cb) {
	    var self = this;
	    var current = this.childVM;
	    // for devtool inspection
	    if (process.env.NODE_ENV !== 'production') {
	      if (current) current._inactive = true;
	      target._inactive = false;
	    }
	    this.childVM = target;
	    switch (self.params.transitionMode) {
	      case 'in-out':
	        target.$before(self.anchor, function () {
	          self.remove(current, cb);
	        });
	        break;
	      case 'out-in':
	        self.remove(current, function () {
	          target.$before(self.anchor, cb);
	        });
	        break;
	      default:
	        self.remove(current);
	        target.$before(self.anchor, cb);
	    }
	  },

	  /**
	   * Unbind.
	   */

	  unbind: function unbind() {
	    this.invalidatePending();
	    // Do not defer cleanup when unbinding
	    this.unbuild();
	    // destroy all keep-alive cached instances
	    if (this.cache) {
	      for (var key in this.cache) {
	        this.cache[key].$destroy();
	      }
	      this.cache = null;
	    }
	  }
	};

	var vClass = {

	  deep: true,

	  update: function update(value) {
	    if (value && typeof value === 'string') {
	      this.handleObject(stringToObject(value));
	    } else if (isPlainObject(value)) {
	      this.handleObject(value);
	    } else if (isArray(value)) {
	      this.handleArray(value);
	    } else {
	      this.cleanup();
	    }
	  },

	  handleObject: function handleObject(value) {
	    this.cleanup(value);
	    var keys = this.prevKeys = Object.keys(value);
	    for (var i = 0, l = keys.length; i < l; i++) {
	      var key = keys[i];
	      if (value[key]) {
	        addClass(this.el, key);
	      } else {
	        removeClass(this.el, key);
	      }
	    }
	  },

	  handleArray: function handleArray(value) {
	    this.cleanup(value);
	    for (var i = 0, l = value.length; i < l; i++) {
	      if (value[i]) {
	        addClass(this.el, value[i]);
	      }
	    }
	    this.prevKeys = value.slice();
	  },

	  cleanup: function cleanup(value) {
	    if (this.prevKeys) {
	      var i = this.prevKeys.length;
	      while (i--) {
	        var key = this.prevKeys[i];
	        if (key && (!value || !contains$1(value, key))) {
	          removeClass(this.el, key);
	        }
	      }
	    }
	  }
	};

	function stringToObject(value) {
	  var res = {};
	  var keys = value.trim().split(/\s+/);
	  var i = keys.length;
	  while (i--) {
	    res[keys[i]] = true;
	  }
	  return res;
	}

	function contains$1(value, key) {
	  return isArray(value) ? value.indexOf(key) > -1 : hasOwn(value, key);
	}

	var internalDirectives = {
	  style: style,
	  'class': vClass,
	  component: component,
	  prop: propDef,
	  transition: transition
	};

	var propBindingModes = config._propBindingModes;
	var empty = {};

	// regexes
	var identRE$1 = /^[$_a-zA-Z]+[\w$]*$/;
	var settablePathRE = /^[A-Za-z_$][\w$]*(\.[A-Za-z_$][\w$]*|\[[^\[\]]+\])*$/;

	/**
	 * Compile props on a root element and return
	 * a props link function.
	 *
	 * @param {Element|DocumentFragment} el
	 * @param {Array} propOptions
	 * @return {Function} propsLinkFn
	 */

	function compileProps(el, propOptions) {
	  var props = [];
	  var names = Object.keys(propOptions);
	  var i = names.length;
	  var options, name, attr, value, path, parsed, prop;
	  while (i--) {
	    name = names[i];
	    options = propOptions[name] || empty;

	    if (process.env.NODE_ENV !== 'production' && name === '$data') {
	      warn('Do not use $data as prop.');
	      continue;
	    }

	    // props could contain dashes, which will be
	    // interpreted as minus calculations by the parser
	    // so we need to camelize the path here
	    path = camelize(name);
	    if (!identRE$1.test(path)) {
	      process.env.NODE_ENV !== 'production' && warn('Invalid prop key: "' + name + '". Prop keys ' + 'must be valid identifiers.');
	      continue;
	    }

	    prop = {
	      name: name,
	      path: path,
	      options: options,
	      mode: propBindingModes.ONE_WAY,
	      raw: null
	    };

	    attr = hyphenate(name);
	    // first check dynamic version
	    if ((value = getBindAttr(el, attr)) === null) {
	      if ((value = getBindAttr(el, attr + '.sync')) !== null) {
	        prop.mode = propBindingModes.TWO_WAY;
	      } else if ((value = getBindAttr(el, attr + '.once')) !== null) {
	        prop.mode = propBindingModes.ONE_TIME;
	      }
	    }
	    if (value !== null) {
	      // has dynamic binding!
	      prop.raw = value;
	      parsed = parseDirective(value);
	      value = parsed.expression;
	      prop.filters = parsed.filters;
	      // check binding type
	      if (isLiteral(value) && !parsed.filters) {
	        // for expressions containing literal numbers and
	        // booleans, there's no need to setup a prop binding,
	        // so we can optimize them as a one-time set.
	        prop.optimizedLiteral = true;
	      } else {
	        prop.dynamic = true;
	        // check non-settable path for two-way bindings
	        if (process.env.NODE_ENV !== 'production' && prop.mode === propBindingModes.TWO_WAY && !settablePathRE.test(value)) {
	          prop.mode = propBindingModes.ONE_WAY;
	          warn('Cannot bind two-way prop with non-settable ' + 'parent path: ' + value);
	        }
	      }
	      prop.parentPath = value;

	      // warn required two-way
	      if (process.env.NODE_ENV !== 'production' && options.twoWay && prop.mode !== propBindingModes.TWO_WAY) {
	        warn('Prop "' + name + '" expects a two-way binding type.');
	      }
	    } else if ((value = getAttr(el, attr)) !== null) {
	      // has literal binding!
	      prop.raw = value;
	    } else if (options.required) {
	      // warn missing required
	      process.env.NODE_ENV !== 'production' && warn('Missing required prop: ' + name);
	    }
	    // push prop
	    props.push(prop);
	  }
	  return makePropsLinkFn(props);
	}

	/**
	 * Build a function that applies props to a vm.
	 *
	 * @param {Array} props
	 * @return {Function} propsLinkFn
	 */

	function makePropsLinkFn(props) {
	  return function propsLinkFn(vm, scope) {
	    // store resolved props info
	    vm._props = {};
	    var i = props.length;
	    var prop, path, options, value, raw;
	    while (i--) {
	      prop = props[i];
	      raw = prop.raw;
	      path = prop.path;
	      options = prop.options;
	      vm._props[path] = prop;
	      if (raw === null) {
	        // initialize absent prop
	        initProp(vm, prop, getDefault(vm, options));
	      } else if (prop.dynamic) {
	        // dynamic prop
	        if (vm._context) {
	          if (prop.mode === propBindingModes.ONE_TIME) {
	            // one time binding
	            value = (scope || vm._context).$get(prop.parentPath);
	            initProp(vm, prop, value);
	          } else {
	            // dynamic binding
	            vm._bindDir({
	              name: 'prop',
	              def: propDef,
	              prop: prop
	            }, null, null, scope); // el, host, scope
	          }
	        } else {
	            process.env.NODE_ENV !== 'production' && warn('Cannot bind dynamic prop on a root instance' + ' with no parent: ' + prop.name + '="' + raw + '"');
	          }
	      } else if (prop.optimizedLiteral) {
	        // optimized literal, cast it and just set once
	        var stripped = stripQuotes(raw);
	        value = stripped === raw ? toBoolean(toNumber(raw)) : stripped;
	        initProp(vm, prop, value);
	      } else {
	        // string literal, but we need to cater for
	        // Boolean props with no value
	        value = options.type === Boolean && raw === '' ? true : raw;
	        initProp(vm, prop, value);
	      }
	    }
	  };
	}

	/**
	 * Get the default value of a prop.
	 *
	 * @param {Vue} vm
	 * @param {Object} options
	 * @return {*}
	 */

	function getDefault(vm, options) {
	  // no default, return undefined
	  if (!hasOwn(options, 'default')) {
	    // absent boolean value defaults to false
	    return options.type === Boolean ? false : undefined;
	  }
	  var def = options['default'];
	  // warn against non-factory defaults for Object & Array
	  if (isObject(def)) {
	    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.');
	  }
	  // call factory function for non-Function types
	  return typeof def === 'function' && options.type !== Function ? def.call(vm) : def;
	}

	// special binding prefixes
	var bindRE = /^v-bind:|^:/;
	var onRE = /^v-on:|^@/;
	var argRE = /:(.*)$/;
	var modifierRE = /\.[^\.]+/g;
	var transitionRE = /^(v-bind:|:)?transition$/;

	// terminal directives
	var terminalDirectives = ['for', 'if'];

	// default directive priority
	var DEFAULT_PRIORITY = 1000;

	/**
	 * Compile a template and return a reusable composite link
	 * function, which recursively contains more link functions
	 * inside. This top level compile function would normally
	 * be called on instance root nodes, but can also be used
	 * for partial compilation if the partial argument is true.
	 *
	 * The returned composite link function, when called, will
	 * return an unlink function that tearsdown all directives
	 * created during the linking phase.
	 *
	 * @param {Element|DocumentFragment} el
	 * @param {Object} options
	 * @param {Boolean} partial
	 * @return {Function}
	 */

	function compile(el, options, partial) {
	  // link function for the node itself.
	  var nodeLinkFn = partial || !options._asComponent ? compileNode(el, options) : null;
	  // link function for the childNodes
	  var childLinkFn = !(nodeLinkFn && nodeLinkFn.terminal) && el.tagName !== 'SCRIPT' && el.hasChildNodes() ? compileNodeList(el.childNodes, options) : null;

	  /**
	   * A composite linker function to be called on a already
	   * compiled piece of DOM, which instantiates all directive
	   * instances.
	   *
	   * @param {Vue} vm
	   * @param {Element|DocumentFragment} el
	   * @param {Vue} [host] - host vm of transcluded content
	   * @param {Object} [scope] - v-for scope
	   * @param {Fragment} [frag] - link context fragment
	   * @return {Function|undefined}
	   */

	  return function compositeLinkFn(vm, el, host, scope, frag) {
	    // cache childNodes before linking parent, fix #657
	    var childNodes = toArray(el.childNodes);
	    // link
	    var dirs = linkAndCapture(function compositeLinkCapturer() {
	      if (nodeLinkFn) nodeLinkFn(vm, el, host, scope, frag);
	      if (childLinkFn) childLinkFn(vm, childNodes, host, scope, frag);
	    }, vm);
	    return makeUnlinkFn(vm, dirs);
	  };
	}

	/**
	 * Apply a linker to a vm/element pair and capture the
	 * directives created during the process.
	 *
	 * @param {Function} linker
	 * @param {Vue} vm
	 */

	function linkAndCapture(linker, vm) {
	  var originalDirCount = vm._directives.length;
	  linker();
	  var dirs = vm._directives.slice(originalDirCount);
	  dirs.sort(directiveComparator);
	  for (var i = 0, l = dirs.length; i < l; i++) {
	    dirs[i]._bind();
	  }
	  return dirs;
	}

	/**
	 * Directive priority sort comparator
	 *
	 * @param {Object} a
	 * @param {Object} b
	 */

	function directiveComparator(a, b) {
	  a = a.descriptor.def.priority || DEFAULT_PRIORITY;
	  b = b.descriptor.def.priority || DEFAULT_PRIORITY;
	  return a > b ? -1 : a === b ? 0 : 1;
	}

	/**
	 * Linker functions return an unlink function that
	 * tearsdown all directives instances generated during
	 * the process.
	 *
	 * We create unlink functions with only the necessary
	 * information to avoid retaining additional closures.
	 *
	 * @param {Vue} vm
	 * @param {Array} dirs
	 * @param {Vue} [context]
	 * @param {Array} [contextDirs]
	 * @return {Function}
	 */

	function makeUnlinkFn(vm, dirs, context, contextDirs) {
	  function unlink(destroying) {
	    teardownDirs(vm, dirs, destroying);
	    if (context && contextDirs) {
	      teardownDirs(context, contextDirs);
	    }
	  }
	  // expose linked directives
	  unlink.dirs = dirs;
	  return unlink;
	}

	/**
	 * Teardown partial linked directives.
	 *
	 * @param {Vue} vm
	 * @param {Array} dirs
	 * @param {Boolean} destroying
	 */

	function teardownDirs(vm, dirs, destroying) {
	  var i = dirs.length;
	  while (i--) {
	    dirs[i]._teardown();
	    if (!destroying) {
	      vm._directives.$remove(dirs[i]);
	    }
	  }
	}

	/**
	 * Compile link props on an instance.
	 *
	 * @param {Vue} vm
	 * @param {Element} el
	 * @param {Object} props
	 * @param {Object} [scope]
	 * @return {Function}
	 */

	function compileAndLinkProps(vm, el, props, scope) {
	  var propsLinkFn = compileProps(el, props);
	  var propDirs = linkAndCapture(function () {
	    propsLinkFn(vm, scope);
	  }, vm);
	  return makeUnlinkFn(vm, propDirs);
	}

	/**
	 * Compile the root element of an instance.
	 *
	 * 1. attrs on context container (context scope)
	 * 2. attrs on the component template root node, if
	 *    replace:true (child scope)
	 *
	 * If this is a fragment instance, we only need to compile 1.
	 *
	 * @param {Vue} vm
	 * @param {Element} el
	 * @param {Object} options
	 * @param {Object} contextOptions
	 * @return {Function}
	 */

	function compileRoot(el, options, contextOptions) {
	  var containerAttrs = options._containerAttrs;
	  var replacerAttrs = options._replacerAttrs;
	  var contextLinkFn, replacerLinkFn;

	  // only need to compile other attributes for
	  // non-fragment instances
	  if (el.nodeType !== 11) {
	    // for components, container and replacer need to be
	    // compiled separately and linked in different scopes.
	    if (options._asComponent) {
	      // 2. container attributes
	      if (containerAttrs && contextOptions) {
	        contextLinkFn = compileDirectives(containerAttrs, contextOptions);
	      }
	      if (replacerAttrs) {
	        // 3. replacer attributes
	        replacerLinkFn = compileDirectives(replacerAttrs, options);
	      }
	    } else {
	      // non-component, just compile as a normal element.
	      replacerLinkFn = compileDirectives(el.attributes, options);
	    }
	  } else if (process.env.NODE_ENV !== 'production' && containerAttrs) {
	    // warn container directives for fragment instances
	    var names = containerAttrs.filter(function (attr) {
	      // allow vue-loader/vueify scoped css attributes
	      return attr.name.indexOf('_v-') < 0 &&
	      // allow event listeners
	      !onRE.test(attr.name) &&
	      // allow slots
	      attr.name !== 'slot';
	    }).map(function (attr) {
	      return '"' + attr.name + '"';
	    });
	    if (names.length) {
	      var plural = names.length > 1;
	      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');
	    }
	  }

	  options._containerAttrs = options._replacerAttrs = null;
	  return function rootLinkFn(vm, el, scope) {
	    // link context scope dirs
	    var context = vm._context;
	    var contextDirs;
	    if (context && contextLinkFn) {
	      contextDirs = linkAndCapture(function () {
	        contextLinkFn(context, el, null, scope);
	      }, context);
	    }

	    // link self
	    var selfDirs = linkAndCapture(function () {
	      if (replacerLinkFn) replacerLinkFn(vm, el);
	    }, vm);

	    // return the unlink function that tearsdown context
	    // container directives.
	    return makeUnlinkFn(vm, selfDirs, context, contextDirs);
	  };
	}

	/**
	 * Compile a node and return a nodeLinkFn based on the
	 * node type.
	 *
	 * @param {Node} node
	 * @param {Object} options
	 * @return {Function|null}
	 */

	function compileNode(node, options) {
	  var type = node.nodeType;
	  if (type === 1 && node.tagName !== 'SCRIPT') {
	    return compileElement(node, options);
	  } else if (type === 3 && node.data.trim()) {
	    return compileTextNode(node, options);
	  } else {
	    return null;
	  }
	}

	/**
	 * Compile an element and return a nodeLinkFn.
	 *
	 * @param {Element} el
	 * @param {Object} options
	 * @return {Function|null}
	 */

	function compileElement(el, options) {
	  // preprocess textareas.
	  // textarea treats its text content as the initial value.
	  // just bind it as an attr directive for value.
	  if (el.tagName === 'TEXTAREA') {
	    var tokens = parseText(el.value);
	    if (tokens) {
	      el.setAttribute(':value', tokensToExp(tokens));
	      el.value = '';
	    }
	  }
	  var linkFn;
	  var hasAttrs = el.hasAttributes();
	  // check terminal directives (for & if)
	  if (hasAttrs) {
	    linkFn = checkTerminalDirectives(el, options);
	  }
	  // check element directives
	  if (!linkFn) {
	    linkFn = checkElementDirectives(el, options);
	  }
	  // check component
	  if (!linkFn) {
	    linkFn = checkComponent(el, options);
	  }
	  // normal directives
	  if (!linkFn && hasAttrs) {
	    linkFn = compileDirectives(el.attributes, options);
	  }
	  return linkFn;
	}

	/**
	 * Compile a textNode and return a nodeLinkFn.
	 *
	 * @param {TextNode} node
	 * @param {Object} options
	 * @return {Function|null} textNodeLinkFn
	 */

	function compileTextNode(node, options) {
	  // skip marked text nodes
	  if (node._skip) {
	    return removeText;
	  }

	  var tokens = parseText(node.wholeText);
	  if (!tokens) {
	    return null;
	  }

	  // mark adjacent text nodes as skipped,
	  // because we are using node.wholeText to compile
	  // all adjacent text nodes together. This fixes
	  // issues in IE where sometimes it splits up a single
	  // text node into multiple ones.
	  var next = node.nextSibling;
	  while (next && next.nodeType === 3) {
	    next._skip = true;
	    next = next.nextSibling;
	  }

	  var frag = document.createDocumentFragment();
	  var el, token;
	  for (var i = 0, l = tokens.length; i < l; i++) {
	    token = tokens[i];
	    el = token.tag ? processTextToken(token, options) : document.createTextNode(token.value);
	    frag.appendChild(el);
	  }
	  return makeTextNodeLinkFn(tokens, frag, options);
	}

	/**
	 * Linker for an skipped text node.
	 *
	 * @param {Vue} vm
	 * @param {Text} node
	 */

	function removeText(vm, node) {
	  remove(node);
	}

	/**
	 * Process a single text token.
	 *
	 * @param {Object} token
	 * @param {Object} options
	 * @return {Node}
	 */

	function processTextToken(token, options) {
	  var el;
	  if (token.oneTime) {
	    el = document.createTextNode(token.value);
	  } else {
	    if (token.html) {
	      el = document.createComment('v-html');
	      setTokenType('html');
	    } else {
	      // IE will clean up empty textNodes during
	      // frag.cloneNode(true), so we have to give it
	      // something here...
	      el = document.createTextNode(' ');
	      setTokenType('text');
	    }
	  }
	  function setTokenType(type) {
	    if (token.descriptor) return;
	    var parsed = parseDirective(token.value);
	    token.descriptor = {
	      name: type,
	      def: publicDirectives[type],
	      expression: parsed.expression,
	      filters: parsed.filters
	    };
	  }
	  return el;
	}

	/**
	 * Build a function that processes a textNode.
	 *
	 * @param {Array<Object>} tokens
	 * @param {DocumentFragment} frag
	 */

	function makeTextNodeLinkFn(tokens, frag) {
	  return function textNodeLinkFn(vm, el, host, scope) {
	    var fragClone = frag.cloneNode(true);
	    var childNodes = toArray(fragClone.childNodes);
	    var token, value, node;
	    for (var i = 0, l = tokens.length; i < l; i++) {
	      token = tokens[i];
	      value = token.value;
	      if (token.tag) {
	        node = childNodes[i];
	        if (token.oneTime) {
	          value = (scope || vm).$eval(value);
	          if (token.html) {
	            replace(node, parseTemplate(value, true));
	          } else {
	            node.data = value;
	          }
	        } else {
	          vm._bindDir(token.descriptor, node, host, scope);
	        }
	      }
	    }
	    replace(el, fragClone);
	  };
	}

	/**
	 * Compile a node list and return a childLinkFn.
	 *
	 * @param {NodeList} nodeList
	 * @param {Object} options
	 * @return {Function|undefined}
	 */

	function compileNodeList(nodeList, options) {
	  var linkFns = [];
	  var nodeLinkFn, childLinkFn, node;
	  for (var i = 0, l = nodeList.length; i < l; i++) {
	    node = nodeList[i];
	    nodeLinkFn = compileNode(node, options);
	    childLinkFn = !(nodeLinkFn && nodeLinkFn.terminal) && node.tagName !== 'SCRIPT' && node.hasChildNodes() ? compileNodeList(node.childNodes, options) : null;
	    linkFns.push(nodeLinkFn, childLinkFn);
	  }
	  return linkFns.length ? makeChildLinkFn(linkFns) : null;
	}

	/**
	 * Make a child link function for a node's childNodes.
	 *
	 * @param {Array<Function>} linkFns
	 * @return {Function} childLinkFn
	 */

	function makeChildLinkFn(linkFns) {
	  return function childLinkFn(vm, nodes, host, scope, frag) {
	    var node, nodeLinkFn, childrenLinkFn;
	    for (var i = 0, n = 0, l = linkFns.length; i < l; n++) {
	      node = nodes[n];
	      nodeLinkFn = linkFns[i++];
	      childrenLinkFn = linkFns[i++];
	      // cache childNodes before linking parent, fix #657
	      var childNodes = toArray(node.childNodes);
	      if (nodeLinkFn) {
	        nodeLinkFn(vm, node, host, scope, frag);
	      }
	      if (childrenLinkFn) {
	        childrenLinkFn(vm, childNodes, host, scope, frag);
	      }
	    }
	  };
	}

	/**
	 * Check for element directives (custom elements that should
	 * be resovled as terminal directives).
	 *
	 * @param {Element} el
	 * @param {Object} options
	 */

	function checkElementDirectives(el, options) {
	  var tag = el.tagName.toLowerCase();
	  if (commonTagRE.test(tag)) return;
	  // special case: give named slot a higher priority
	  // than unnamed slots
	  if (tag === 'slot' && hasBindAttr(el, 'name')) {
	    tag = '_namedSlot';
	  }
	  var def = resolveAsset(options, 'elementDirectives', tag);
	  if (def) {
	    return makeTerminalNodeLinkFn(el, tag, '', options, def);
	  }
	}

	/**
	 * Check if an element is a component. If yes, return
	 * a component link function.
	 *
	 * @param {Element} el
	 * @param {Object} options
	 * @return {Function|undefined}
	 */

	function checkComponent(el, options) {
	  var component = checkComponentAttr(el, options);
	  if (component) {
	    var ref = findRef(el);
	    var descriptor = {
	      name: 'component',
	      ref: ref,
	      expression: component.id,
	      def: internalDirectives.component,
	      modifiers: {
	        literal: !component.dynamic
	      }
	    };
	    var componentLinkFn = function componentLinkFn(vm, el, host, scope, frag) {
	      if (ref) {
	        defineReactive((scope || vm).$refs, ref, null);
	      }
	      vm._bindDir(descriptor, el, host, scope, frag);
	    };
	    componentLinkFn.terminal = true;
	    return componentLinkFn;
	  }
	}

	/**
	 * Check an element for terminal directives in fixed order.
	 * If it finds one, return a terminal link function.
	 *
	 * @param {Element} el
	 * @param {Object} options
	 * @return {Function} terminalLinkFn
	 */

	function checkTerminalDirectives(el, options) {
	  // skip v-pre
	  if (getAttr(el, 'v-pre') !== null) {
	    return skip;
	  }
	  // skip v-else block, but only if following v-if
	  if (el.hasAttribute('v-else')) {
	    var prev = el.previousElementSibling;
	    if (prev && prev.hasAttribute('v-if')) {
	      return skip;
	    }
	  }
	  var value, dirName;
	  for (var i = 0, l = terminalDirectives.length; i < l; i++) {
	    dirName = terminalDirectives[i];
	    value = el.getAttribute('v-' + dirName);
	    if (value != null) {
	      return makeTerminalNodeLinkFn(el, dirName, value, options);
	    }
	  }
	}

	function skip() {}
	skip.terminal = true;

	/**
	 * Build a node link function for a terminal directive.
	 * A terminal link function terminates the current
	 * compilation recursion and handles compilation of the
	 * subtree in the directive.
	 *
	 * @param {Element} el
	 * @param {String} dirName
	 * @param {String} value
	 * @param {Object} options
	 * @param {Object} [def]
	 * @return {Function} terminalLinkFn
	 */

	function makeTerminalNodeLinkFn(el, dirName, value, options, def) {
	  var parsed = parseDirective(value);
	  var descriptor = {
	    name: dirName,
	    expression: parsed.expression,
	    filters: parsed.filters,
	    raw: value,
	    // either an element directive, or if/for
	    def: def || publicDirectives[dirName]
	  };
	  // check ref for v-for and router-view
	  if (dirName === 'for' || dirName === 'router-view') {
	    descriptor.ref = findRef(el);
	  }
	  var fn = function terminalNodeLinkFn(vm, el, host, scope, frag) {
	    if (descriptor.ref) {
	      defineReactive((scope || vm).$refs, descriptor.ref, null);
	    }
	    vm._bindDir(descriptor, el, host, scope, frag);
	  };
	  fn.terminal = true;
	  return fn;
	}

	/**
	 * Compile the directives on an element and return a linker.
	 *
	 * @param {Array|NamedNodeMap} attrs
	 * @param {Object} options
	 * @return {Function}
	 */

	function compileDirectives(attrs, options) {
	  var i = attrs.length;
	  var dirs = [];
	  var attr, name, value, rawName, rawValue, dirName, arg, modifiers, dirDef, tokens;
	  while (i--) {
	    attr = attrs[i];
	    name = rawName = attr.name;
	    value = rawValue = attr.value;
	    tokens = parseText(value);
	    // reset arg
	    arg = null;
	    // check modifiers
	    modifiers = parseModifiers(name);
	    name = name.replace(modifierRE, '');

	    // attribute interpolations
	    if (tokens) {
	      value = tokensToExp(tokens);
	      arg = name;
	      pushDir('bind', publicDirectives.bind, tokens);
	      // warn against mixing mustaches with v-bind
	      if (process.env.NODE_ENV !== 'production') {
	        if (name === 'class' && Array.prototype.some.call(attrs, function (attr) {
	          return attr.name === ':class' || attr.name === 'v-bind:class';
	        })) {
	          warn('class="' + rawValue + '": Do not mix mustache interpolation ' + 'and v-bind for "class" on the same element. Use one or the other.');
	        }
	      }
	    } else

	      // special attribute: transition
	      if (transitionRE.test(name)) {
	        modifiers.literal = !bindRE.test(name);
	        pushDir('transition', internalDirectives.transition);
	      } else

	        // event handlers
	        if (onRE.test(name)) {
	          arg = name.replace(onRE, '');
	          pushDir('on', publicDirectives.on);
	        } else

	          // attribute bindings
	          if (bindRE.test(name)) {
	            dirName = name.replace(bindRE, '');
	            if (dirName === 'style' || dirName === 'class') {
	              pushDir(dirName, internalDirectives[dirName]);
	            } else {
	              arg = dirName;
	              pushDir('bind', publicDirectives.bind);
	            }
	          } else

	            // normal directives
	            if (name.indexOf('v-') === 0) {
	              // check arg
	              arg = (arg = name.match(argRE)) && arg[1];
	              if (arg) {
	                name = name.replace(argRE, '');
	              }
	              // extract directive name
	              dirName = name.slice(2);

	              // skip v-else (when used with v-show)
	              if (dirName === 'else') {
	                continue;
	              }

	              dirDef = resolveAsset(options, 'directives', dirName);

	              if (process.env.NODE_ENV !== 'production') {
	                assertAsset(dirDef, 'directive', dirName);
	              }

	              if (dirDef) {
	                pushDir(dirName, dirDef);
	              }
	            }
	  }

	  /**
	   * Push a directive.
	   *
	   * @param {String} dirName
	   * @param {Object|Function} def
	   * @param {Array} [interpTokens]
	   */

	  function pushDir(dirName, def, interpTokens) {
	    var hasOneTimeToken = interpTokens && hasOneTime(interpTokens);
	    var parsed = !hasOneTimeToken && parseDirective(value);
	    dirs.push({
	      name: dirName,
	      attr: rawName,
	      raw: rawValue,
	      def: def,
	      arg: arg,
	      modifiers: modifiers,
	      // conversion from interpolation strings with one-time token
	      // to expression is differed until directive bind time so that we
	      // have access to the actual vm context for one-time bindings.
	      expression: parsed && parsed.expression,
	      filters: parsed && parsed.filters,
	      interp: interpTokens,
	      hasOneTime: hasOneTimeToken
	    });
	  }

	  if (dirs.length) {
	    return makeNodeLinkFn(dirs);
	  }
	}

	/**
	 * Parse modifiers from directive attribute name.
	 *
	 * @param {String} name
	 * @return {Object}
	 */

	function parseModifiers(name) {
	  var res = Object.create(null);
	  var match = name.match(modifierRE);
	  if (match) {
	    var i = match.length;
	    while (i--) {
	      res[match[i].slice(1)] = true;
	    }
	  }
	  return res;
	}

	/**
	 * Build a link function for all directives on a single node.
	 *
	 * @param {Array} directives
	 * @return {Function} directivesLinkFn
	 */

	function makeNodeLinkFn(directives) {
	  return function nodeLinkFn(vm, el, host, scope, frag) {
	    // reverse apply because it's sorted low to high
	    var i = directives.length;
	    while (i--) {
	      vm._bindDir(directives[i], el, host, scope, frag);
	    }
	  };
	}

	/**
	 * Check if an interpolation string contains one-time tokens.
	 *
	 * @param {Array} tokens
	 * @return {Boolean}
	 */

	function hasOneTime(tokens) {
	  var i = tokens.length;
	  while (i--) {
	    if (tokens[i].oneTime) return true;
	  }
	}

	var specialCharRE = /[^\w\-:\.]/;

	/**
	 * Process an element or a DocumentFragment based on a
	 * instance option object. This allows us to transclude
	 * a template node/fragment before the instance is created,
	 * so the processed fragment can then be cloned and reused
	 * in v-for.
	 *
	 * @param {Element} el
	 * @param {Object} options
	 * @return {Element|DocumentFragment}
	 */

	function transclude(el, options) {
	  // extract container attributes to pass them down
	  // to compiler, because they need to be compiled in
	  // parent scope. we are mutating the options object here
	  // assuming the same object will be used for compile
	  // right after this.
	  if (options) {
	    options._containerAttrs = extractAttrs(el);
	  }
	  // for template tags, what we want is its content as
	  // a documentFragment (for fragment instances)
	  if (isTemplate(el)) {
	    el = parseTemplate(el);
	  }
	  if (options) {
	    if (options._asComponent && !options.template) {
	      options.template = '<slot></slot>';
	    }
	    if (options.template) {
	      options._content = extractContent(el);
	      el = transcludeTemplate(el, options);
	    }
	  }
	  if (el instanceof DocumentFragment) {
	    // anchors for fragment instance
	    // passing in `persist: true` to avoid them being
	    // discarded by IE during template cloning
	    prepend(createAnchor('v-start', true), el);
	    el.appendChild(createAnchor('v-end', true));
	  }
	  return el;
	}

	/**
	 * Process the template option.
	 * If the replace option is true this will swap the $el.
	 *
	 * @param {Element} el
	 * @param {Object} options
	 * @return {Element|DocumentFragment}
	 */

	function transcludeTemplate(el, options) {
	  var template = options.template;
	  var frag = parseTemplate(template, true);
	  if (frag) {
	    var replacer = frag.firstChild;
	    var tag = replacer.tagName && replacer.tagName.toLowerCase();
	    if (options.replace) {
	      /* istanbul ignore if */
	      if (el === document.body) {
	        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.');
	      }
	      // there are many cases where the instance must
	      // become a fragment instance: basically anything that
	      // can create more than 1 root nodes.
	      if (
	      // multi-children template
	      frag.childNodes.length > 1 ||
	      // non-element template
	      replacer.nodeType !== 1 ||
	      // single nested component
	      tag === 'component' || resolveAsset(options, 'components', tag) || hasBindAttr(replacer, 'is') ||
	      // element directive
	      resolveAsset(options, 'elementDirectives', tag) ||
	      // for block
	      replacer.hasAttribute('v-for') ||
	      // if block
	      replacer.hasAttribute('v-if')) {
	        return frag;
	      } else {
	        options._replacerAttrs = extractAttrs(replacer);
	        mergeAttrs(el, replacer);
	        return replacer;
	      }
	    } else {
	      el.appendChild(frag);
	      return el;
	    }
	  } else {
	    process.env.NODE_ENV !== 'production' && warn('Invalid template option: ' + template);
	  }
	}

	/**
	 * Helper to extract a component container's attributes
	 * into a plain object array.
	 *
	 * @param {Element} el
	 * @return {Array}
	 */

	function extractAttrs(el) {
	  if (el.nodeType === 1 && el.hasAttributes()) {
	    return toArray(el.attributes);
	  }
	}

	/**
	 * Merge the attributes of two elements, and make sure
	 * the class names are merged properly.
	 *
	 * @param {Element} from
	 * @param {Element} to
	 */

	function mergeAttrs(from, to) {
	  var attrs = from.attributes;
	  var i = attrs.length;
	  var name, value;
	  while (i--) {
	    name = attrs[i].name;
	    value = attrs[i].value;
	    if (!to.hasAttribute(name) && !specialCharRE.test(name)) {
	      to.setAttribute(name, value);
	    } else if (name === 'class' && !parseText(value)) {
	      value.split(/\s+/).forEach(function (cls) {
	        addClass(to, cls);
	      });
	    }
	  }
	}

	var compiler = Object.freeze({
		compile: compile,
		compileAndLinkProps: compileAndLinkProps,
		compileRoot: compileRoot,
		terminalDirectives: terminalDirectives,
		transclude: transclude
	});

	function stateMixin (Vue) {

	  /**
	   * Accessor for `$data` property, since setting $data
	   * requires observing the new object and updating
	   * proxied properties.
	   */

	  Object.defineProperty(Vue.prototype, '$data', {
	    get: function get() {
	      return this._data;
	    },
	    set: function set(newData) {
	      if (newData !== this._data) {
	        this._setData(newData);
	      }
	    }
	  });

	  /**
	   * Setup the scope of an instance, which contains:
	   * - observed data
	   * - computed properties
	   * - user methods
	   * - meta properties
	   */

	  Vue.prototype._initState = function () {
	    this._initProps();
	    this._initMeta();
	    this._initMethods();
	    this._initData();
	    this._initComputed();
	  };

	  /**
	   * Initialize props.
	   */

	  Vue.prototype._initProps = function () {
	    var options = this.$options;
	    var el = options.el;
	    var props = options.props;
	    if (props && !el) {
	      process.env.NODE_ENV !== 'production' && warn('Props will not be compiled if no `el` option is ' + 'provided at instantiation.');
	    }
	    // make sure to convert string selectors into element now
	    el = options.el = query(el);
	    this._propsUnlinkFn = el && el.nodeType === 1 && props
	    // props must be linked in proper scope if inside v-for
	    ? compileAndLinkProps(this, el, props, this._scope) : null;
	  };

	  /**
	   * Initialize the data.
	   */

	  Vue.prototype._initData = function () {
	    var propsData = this._data;
	    var optionsDataFn = this.$options.data;
	    var optionsData = optionsDataFn && optionsDataFn();
	    if (optionsData) {
	      this._data = optionsData;
	      for (var prop in propsData) {
	        if (process.env.NODE_ENV !== 'production' && hasOwn(optionsData, prop)) {
	          warn('Data field "' + prop + '" is already defined ' + 'as a prop. Use prop default value instead.');
	        }
	        if (this._props[prop].raw !== null || !hasOwn(optionsData, prop)) {
	          set(optionsData, prop, propsData[prop]);
	        }
	      }
	    }
	    var data = this._data;
	    // proxy data on instance
	    var keys = Object.keys(data);
	    var i, key;
	    i = keys.length;
	    while (i--) {
	      key = keys[i];
	      this._proxy(key);
	    }
	    // observe data
	    observe(data, this);
	  };

	  /**
	   * Swap the instance's $data. Called in $data's setter.
	   *
	   * @param {Object} newData
	   */

	  Vue.prototype._setData = function (newData) {
	    newData = newData || {};
	    var oldData = this._data;
	    this._data = newData;
	    var keys, key, i;
	    // unproxy keys not present in new data
	    keys = Object.keys(oldData);
	    i = keys.length;
	    while (i--) {
	      key = keys[i];
	      if (!(key in newData)) {
	        this._unproxy(key);
	      }
	    }
	    // proxy keys not already proxied,
	    // and trigger change for changed values
	    keys = Object.keys(newData);
	    i = keys.length;
	    while (i--) {
	      key = keys[i];
	      if (!hasOwn(this, key)) {
	        // new property
	        this._proxy(key);
	      }
	    }
	    oldData.__ob__.removeVm(this);
	    observe(newData, this);
	    this._digest();
	  };

	  /**
	   * Proxy a property, so that
	   * vm.prop === vm._data.prop
	   *
	   * @param {String} key
	   */

	  Vue.prototype._proxy = function (key) {
	    if (!isReserved(key)) {
	      // need to store ref to self here
	      // because these getter/setters might
	      // be called by child scopes via
	      // prototype inheritance.
	      var self = this;
	      Object.defineProperty(self, key, {
	        configurable: true,
	        enumerable: true,
	        get: function proxyGetter() {
	          return self._data[key];
	        },
	        set: function proxySetter(val) {
	          self._data[key] = val;
	        }
	      });
	    }
	  };

	  /**
	   * Unproxy a property.
	   *
	   * @param {String} key
	   */

	  Vue.prototype._unproxy = function (key) {
	    if (!isReserved(key)) {
	      delete this[key];
	    }
	  };

	  /**
	   * Force update on every watcher in scope.
	   */

	  Vue.prototype._digest = function () {
	    for (var i = 0, l = this._watchers.length; i < l; i++) {
	      this._watchers[i].update(true); // shallow updates
	    }
	  };

	  /**
	   * Setup computed properties. They are essentially
	   * special getter/setters
	   */

	  function noop() {}
	  Vue.prototype._initComputed = function () {
	    var computed = this.$options.computed;
	    if (computed) {
	      for (var key in computed) {
	        var userDef = computed[key];
	        var def = {
	          enumerable: true,
	          configurable: true
	        };
	        if (typeof userDef === 'function') {
	          def.get = makeComputedGetter(userDef, this);
	          def.set = noop;
	        } else {
	          def.get = userDef.get ? userDef.cache !== false ? makeComputedGetter(userDef.get, this) : bind$1(userDef.get, this) : noop;
	          def.set = userDef.set ? bind$1(userDef.set, this) : noop;
	        }
	        Object.defineProperty(this, key, def);
	      }
	    }
	  };

	  function makeComputedGetter(getter, owner) {
	    var watcher = new Watcher(owner, getter, null, {
	      lazy: true
	    });
	    return function computedGetter() {
	      if (watcher.dirty) {
	        watcher.evaluate();
	      }
	      if (Dep.target) {
	        watcher.depend();
	      }
	      return watcher.value;
	    };
	  }

	  /**
	   * Setup instance methods. Methods must be bound to the
	   * instance since they might be passed down as a prop to
	   * child components.
	   */

	  Vue.prototype._initMethods = function () {
	    var methods = this.$options.methods;
	    if (methods) {
	      for (var key in methods) {
	        this[key] = bind$1(methods[key], this);
	      }
	    }
	  };

	  /**
	   * Initialize meta information like $index, $key & $value.
	   */

	  Vue.prototype._initMeta = function () {
	    var metas = this.$options._meta;
	    if (metas) {
	      for (var key in metas) {
	        defineReactive(this, key, metas[key]);
	      }
	    }
	  };
	}

	var eventRE = /^v-on:|^@/;

	function eventsMixin (Vue) {

	  /**
	   * Setup the instance's option events & watchers.
	   * If the value is a string, we pull it from the
	   * instance's methods by name.
	   */

	  Vue.prototype._initEvents = function () {
	    var options = this.$options;
	    if (options._asComponent) {
	      registerComponentEvents(this, options.el);
	    }
	    registerCallbacks(this, '$on', options.events);
	    registerCallbacks(this, '$watch', options.watch);
	  };

	  /**
	   * Register v-on events on a child component
	   *
	   * @param {Vue} vm
	   * @param {Element} el
	   */

	  function registerComponentEvents(vm, el) {
	    var attrs = el.attributes;
	    var name, handler;
	    for (var i = 0, l = attrs.length; i < l; i++) {
	      name = attrs[i].name;
	      if (eventRE.test(name)) {
	        name = name.replace(eventRE, '');
	        handler = (vm._scope || vm._context).$eval(attrs[i].value, true);
	        handler._fromParent = true;
	        vm.$on(name.replace(eventRE), handler);
	      }
	    }
	  }

	  /**
	   * Register callbacks for option events and watchers.
	   *
	   * @param {Vue} vm
	   * @param {String} action
	   * @param {Object} hash
	   */

	  function registerCallbacks(vm, action, hash) {
	    if (!hash) return;
	    var handlers, key, i, j;
	    for (key in hash) {
	      handlers = hash[key];
	      if (isArray(handlers)) {
	        for (i = 0, j = handlers.length; i < j; i++) {
	          register(vm, action, key, handlers[i]);
	        }
	      } else {
	        register(vm, action, key, handlers);
	      }
	    }
	  }

	  /**
	   * Helper to register an event/watch callback.
	   *
	   * @param {Vue} vm
	   * @param {String} action
	   * @param {String} key
	   * @param {Function|String|Object} handler
	   * @param {Object} [options]
	   */

	  function register(vm, action, key, handler, options) {
	    var type = typeof handler;
	    if (type === 'function') {
	      vm[action](key, handler, options);
	    } else if (type === 'string') {
	      var methods = vm.$options.methods;
	      var method = methods && methods[handler];
	      if (method) {
	        vm[action](key, method, options);
	      } else {
	        process.env.NODE_ENV !== 'production' && warn('Unknown method: "' + handler + '" when ' + 'registering callback for ' + action + ': "' + key + '".');
	      }
	    } else if (handler && type === 'object') {
	      register(vm, action, key, handler.handler, handler);
	    }
	  }

	  /**
	   * Setup recursive attached/detached calls
	   */

	  Vue.prototype._initDOMHooks = function () {
	    this.$on('hook:attached', onAttached);
	    this.$on('hook:detached', onDetached);
	  };

	  /**
	   * Callback to recursively call attached hook on children
	   */

	  function onAttached() {
	    if (!this._isAttached) {
	      this._isAttached = true;
	      this.$children.forEach(callAttach);
	    }
	  }

	  /**
	   * Iterator to call attached hook
	   *
	   * @param {Vue} child
	   */

	  function callAttach(child) {
	    if (!child._isAttached && inDoc(child.$el)) {
	      child._callHook('attached');
	    }
	  }

	  /**
	   * Callback to recursively call detached hook on children
	   */

	  function onDetached() {
	    if (this._isAttached) {
	      this._isAttached = false;
	      this.$children.forEach(callDetach);
	    }
	  }

	  /**
	   * Iterator to call detached hook
	   *
	   * @param {Vue} child
	   */

	  function callDetach(child) {
	    if (child._isAttached && !inDoc(child.$el)) {
	      child._callHook('detached');
	    }
	  }

	  /**
	   * Trigger all handlers for a hook
	   *
	   * @param {String} hook
	   */

	  Vue.prototype._callHook = function (hook) {
	    this.$emit('pre-hook:' + hook);
	    var handlers = this.$options[hook];
	    if (handlers) {
	      for (var i = 0, j = handlers.length; i < j; i++) {
	        handlers[i].call(this);
	      }
	    }
	    this.$emit('hook:' + hook);
	  };
	}

	function noop() {}

	/**
	 * A directive links a DOM element with a piece of data,
	 * which is the result of evaluating an expression.
	 * It registers a watcher with the expression and calls
	 * the DOM update function when a change is triggered.
	 *
	 * @param {String} name
	 * @param {Node} el
	 * @param {Vue} vm
	 * @param {Object} descriptor
	 *                 - {String} name
	 *                 - {Object} def
	 *                 - {String} expression
	 *                 - {Array<Object>} [filters]
	 *                 - {Boolean} literal
	 *                 - {String} attr
	 *                 - {String} raw
	 * @param {Object} def - directive definition object
	 * @param {Vue} [host] - transclusion host component
	 * @param {Object} [scope] - v-for scope
	 * @param {Fragment} [frag] - owner fragment
	 * @constructor
	 */
	function Directive(descriptor, vm, el, host, scope, frag) {
	  this.vm = vm;
	  this.el = el;
	  // copy descriptor properties
	  this.descriptor = descriptor;
	  this.name = descriptor.name;
	  this.expression = descriptor.expression;
	  this.arg = descriptor.arg;
	  this.modifiers = descriptor.modifiers;
	  this.filters = descriptor.filters;
	  this.literal = this.modifiers && this.modifiers.literal;
	  // private
	  this._locked = false;
	  this._bound = false;
	  this._listeners = null;
	  // link context
	  this._host = host;
	  this._scope = scope;
	  this._frag = frag;
	  // store directives on node in dev mode
	  if (process.env.NODE_ENV !== 'production' && this.el) {
	    this.el._vue_directives = this.el._vue_directives || [];
	    this.el._vue_directives.push(this);
	  }
	}

	/**
	 * Initialize the directive, mixin definition properties,
	 * setup the watcher, call definition bind() and update()
	 * if present.
	 *
	 * @param {Object} def
	 */

	Directive.prototype._bind = function () {
	  var name = this.name;
	  var descriptor = this.descriptor;

	  // remove attribute
	  if ((name !== 'cloak' || this.vm._isCompiled) && this.el && this.el.removeAttribute) {
	    var attr = descriptor.attr || 'v-' + name;
	    this.el.removeAttribute(attr);
	  }

	  // copy def properties
	  var def = descriptor.def;
	  if (typeof def === 'function') {
	    this.update = def;
	  } else {
	    extend(this, def);
	  }

	  // setup directive params
	  this._setupParams();

	  // initial bind
	  if (this.bind) {
	    this.bind();
	  }
	  this._bound = true;

	  if (this.literal) {
	    this.update && this.update(descriptor.raw);
	  } else if ((this.expression || this.modifiers) && (this.update || this.twoWay) && !this._checkStatement()) {
	    // wrapped updater for context
	    var dir = this;
	    if (this.update) {
	      this._update = function (val, oldVal) {
	        if (!dir._locked) {
	          dir.update(val, oldVal);
	        }
	      };
	    } else {
	      this._update = noop;
	    }
	    var preProcess = this._preProcess ? bind$1(this._preProcess, this) : null;
	    var postProcess = this._postProcess ? bind$1(this._postProcess, this) : null;
	    var watcher = this._watcher = new Watcher(this.vm, this.expression, this._update, // callback
	    {
	      filters: this.filters,
	      twoWay: this.twoWay,
	      deep: this.deep,
	      preProcess: preProcess,
	      postProcess: postProcess,
	      scope: this._scope
	    });
	    // v-model with inital inline value need to sync back to
	    // model instead of update to DOM on init. They would
	    // set the afterBind hook to indicate that.
	    if (this.afterBind) {
	      this.afterBind();
	    } else if (this.update) {
	      this.update(watcher.value);
	    }
	  }
	};

	/**
	 * Setup all param attributes, e.g. track-by,
	 * transition-mode, etc...
	 */

	Directive.prototype._setupParams = function () {
	  if (!this.params) {
	    return;
	  }
	  var params = this.params;
	  // swap the params array with a fresh object.
	  this.params = Object.create(null);
	  var i = params.length;
	  var key, val, mappedKey;
	  while (i--) {
	    key = params[i];
	    mappedKey = camelize(key);
	    val = getBindAttr(this.el, key);
	    if (val != null) {
	      // dynamic
	      this._setupParamWatcher(mappedKey, val);
	    } else {
	      // static
	      val = getAttr(this.el, key);
	      if (val != null) {
	        this.params[mappedKey] = val === '' ? true : val;
	      }
	    }
	  }
	};

	/**
	 * Setup a watcher for a dynamic param.
	 *
	 * @param {String} key
	 * @param {String} expression
	 */

	Directive.prototype._setupParamWatcher = function (key, expression) {
	  var self = this;
	  var called = false;
	  var unwatch = (this._scope || this.vm).$watch(expression, function (val, oldVal) {
	    self.params[key] = val;
	    // since we are in immediate mode,
	    // only call the param change callbacks if this is not the first update.
	    if (called) {
	      var cb = self.paramWatchers && self.paramWatchers[key];
	      if (cb) {
	        cb.call(self, val, oldVal);
	      }
	    } else {
	      called = true;
	    }
	  }, {
	    immediate: true,
	    user: false
	  });(this._paramUnwatchFns || (this._paramUnwatchFns = [])).push(unwatch);
	};

	/**
	 * Check if the directive is a function caller
	 * and if the expression is a callable one. If both true,
	 * we wrap up the expression and use it as the event
	 * handler.
	 *
	 * e.g. on-click="a++"
	 *
	 * @return {Boolean}
	 */

	Directive.prototype._checkStatement = function () {
	  var expression = this.expression;
	  if (expression && this.acceptStatement && !isSimplePath(expression)) {
	    var fn = parseExpression(expression).get;
	    var scope = this._scope || this.vm;
	    var handler = function handler(e) {
	      scope.$event = e;
	      fn.call(scope, scope);
	      scope.$event = null;
	    };
	    if (this.filters) {
	      handler = scope._applyFilters(handler, null, this.filters);
	    }
	    this.update(handler);
	    return true;
	  }
	};

	/**
	 * Set the corresponding value with the setter.
	 * This should only be used in two-way directives
	 * e.g. v-model.
	 *
	 * @param {*} value
	 * @public
	 */

	Directive.prototype.set = function (value) {
	  /* istanbul ignore else */
	  if (this.twoWay) {
	    this._withLock(function () {
	      this._watcher.set(value);
	    });
	  } else if (process.env.NODE_ENV !== 'production') {
	    warn('Directive.set() can only be used inside twoWay' + 'directives.');
	  }
	};

	/**
	 * Execute a function while preventing that function from
	 * triggering updates on this directive instance.
	 *
	 * @param {Function} fn
	 */

	Directive.prototype._withLock = function (fn) {
	  var self = this;
	  self._locked = true;
	  fn.call(self);
	  nextTick(function () {
	    self._locked = false;
	  });
	};

	/**
	 * Convenience method that attaches a DOM event listener
	 * to the directive element and autometically tears it down
	 * during unbind.
	 *
	 * @param {String} event
	 * @param {Function} handler
	 */

	Directive.prototype.on = function (event, handler) {
	  on$1(this.el, event, handler);(this._listeners || (this._listeners = [])).push([event, handler]);
	};

	/**
	 * Teardown the watcher and call unbind.
	 */

	Directive.prototype._teardown = function () {
	  if (this._bound) {
	    this._bound = false;
	    if (this.unbind) {
	      this.unbind();
	    }
	    if (this._watcher) {
	      this._watcher.teardown();
	    }
	    var listeners = this._listeners;
	    var i;
	    if (listeners) {
	      i = listeners.length;
	      while (i--) {
	        off(this.el, listeners[i][0], listeners[i][1]);
	      }
	    }
	    var unwatchFns = this._paramUnwatchFns;
	    if (unwatchFns) {
	      i = unwatchFns.length;
	      while (i--) {
	        unwatchFns[i]();
	      }
	    }
	    if (process.env.NODE_ENV !== 'production' && this.el) {
	      this.el._vue_directives.$remove(this);
	    }
	    this.vm = this.el = this._watcher = this._listeners = null;
	  }
	};

	function lifecycleMixin (Vue) {

	  /**
	   * Update v-ref for component.
	   *
	   * @param {Boolean} remove
	   */

	  Vue.prototype._updateRef = function (remove) {
	    var ref = this.$options._ref;
	    if (ref) {
	      var refs = (this._scope || this._context).$refs;
	      if (remove) {
	        if (refs[ref] === this) {
	          refs[ref] = null;
	        }
	      } else {
	        refs[ref] = this;
	      }
	    }
	  };

	  /**
	   * Transclude, compile and link element.
	   *
	   * If a pre-compiled linker is available, that means the
	   * passed in element will be pre-transcluded and compiled
	   * as well - all we need to do is to call the linker.
	   *
	   * Otherwise we need to call transclude/compile/link here.
	   *
	   * @param {Element} el
	   * @return {Element}
	   */

	  Vue.prototype._compile = function (el) {
	    var options = this.$options;

	    // transclude and init element
	    // transclude can potentially replace original
	    // so we need to keep reference; this step also injects
	    // the template and caches the original attributes
	    // on the container node and replacer node.
	    var original = el;
	    el = transclude(el, options);
	    this._initElement(el);

	    // handle v-pre on root node (#2026)
	    if (el.nodeType === 1 && getAttr(el, 'v-pre') !== null) {
	      return;
	    }

	    // root is always compiled per-instance, because
	    // container attrs and props can be different every time.
	    var contextOptions = this._context && this._context.$options;
	    var rootLinker = compileRoot(el, options, contextOptions);

	    // compile and link the rest
	    var contentLinkFn;
	    var ctor = this.constructor;
	    // component compilation can be cached
	    // as long as it's not using inline-template
	    if (options._linkerCachable) {
	      contentLinkFn = ctor.linker;
	      if (!contentLinkFn) {
	        contentLinkFn = ctor.linker = compile(el, options);
	      }
	    }

	    // link phase
	    // make sure to link root with prop scope!
	    var rootUnlinkFn = rootLinker(this, el, this._scope);
	    var contentUnlinkFn = contentLinkFn ? contentLinkFn(this, el) : compile(el, options)(this, el);

	    // register composite unlink function
	    // to be called during instance destruction
	    this._unlinkFn = function () {
	      rootUnlinkFn();
	      // passing destroying: true to avoid searching and
	      // splicing the directives
	      contentUnlinkFn(true);
	    };

	    // finally replace original
	    if (options.replace) {
	      replace(original, el);
	    }

	    this._isCompiled = true;
	    this._callHook('compiled');
	    return el;
	  };

	  /**
	   * Initialize instance element. Called in the public
	   * $mount() method.
	   *
	   * @param {Element} el
	   */

	  Vue.prototype._initElement = function (el) {
	    if (el instanceof DocumentFragment) {
	      this._isFragment = true;
	      this.$el = this._fragmentStart = el.firstChild;
	      this._fragmentEnd = el.lastChild;
	      // set persisted text anchors to empty
	      if (this._fragmentStart.nodeType === 3) {
	        this._fragmentStart.data = this._fragmentEnd.data = '';
	      }
	      this._fragment = el;
	    } else {
	      this.$el = el;
	    }
	    this.$el.__vue__ = this;
	    this._callHook('beforeCompile');
	  };

	  /**
	   * Create and bind a directive to an element.
	   *
	   * @param {String} name - directive name
	   * @param {Node} node   - target node
	   * @param {Object} desc - parsed directive descriptor
	   * @param {Object} def  - directive definition object
	   * @param {Vue} [host] - transclusion host component
	   * @param {Object} [scope] - v-for scope
	   * @param {Fragment} [frag] - owner fragment
	   */

	  Vue.prototype._bindDir = function (descriptor, node, host, scope, frag) {
	    this._directives.push(new Directive(descriptor, this, node, host, scope, frag));
	  };

	  /**
	   * Teardown an instance, unobserves the data, unbind all the
	   * directives, turn off all the event listeners, etc.
	   *
	   * @param {Boolean} remove - whether to remove the DOM node.
	   * @param {Boolean} deferCleanup - if true, defer cleanup to
	   *                                 be called later
	   */

	  Vue.prototype._destroy = function (remove, deferCleanup) {
	    if (this._isBeingDestroyed) {
	      if (!deferCleanup) {
	        this._cleanup();
	      }
	      return;
	    }

	    var destroyReady;
	    var pendingRemoval;

	    var self = this;
	    // Cleanup should be called either synchronously or asynchronoysly as
	    // callback of this.$remove(), or if remove and deferCleanup are false.
	    // In any case it should be called after all other removing, unbinding and
	    // turning of is done
	    var cleanupIfPossible = function cleanupIfPossible() {
	      if (destroyReady && !pendingRemoval && !deferCleanup) {
	        self._cleanup();
	      }
	    };

	    // remove DOM element
	    if (remove && this.$el) {
	      pendingRemoval = true;
	      this.$remove(function () {
	        pendingRemoval = false;
	        cleanupIfPossible();
	      });
	    }

	    this._callHook('beforeDestroy');
	    this._isBeingDestroyed = true;
	    var i;
	    // remove self from parent. only necessary
	    // if parent is not being destroyed as well.
	    var parent = this.$parent;
	    if (parent && !parent._isBeingDestroyed) {
	      parent.$children.$remove(this);
	      // unregister ref (remove: true)
	      this._updateRef(true);
	    }
	    // destroy all children.
	    i = this.$children.length;
	    while (i--) {
	      this.$children[i].$destroy();
	    }
	    // teardown props
	    if (this._propsUnlinkFn) {
	      this._propsUnlinkFn();
	    }
	    // teardown all directives. this also tearsdown all
	    // directive-owned watchers.
	    if (this._unlinkFn) {
	      this._unlinkFn();
	    }
	    i = this._watchers.length;
	    while (i--) {
	      this._watchers[i].teardown();
	    }
	    // remove reference to self on $el
	    if (this.$el) {
	      this.$el.__vue__ = null;
	    }

	    destroyReady = true;
	    cleanupIfPossible();
	  };

	  /**
	   * Clean up to ensure garbage collection.
	   * This is called after the leave transition if there
	   * is any.
	   */

	  Vue.prototype._cleanup = function () {
	    if (this._isDestroyed) {
	      return;
	    }
	    // remove self from owner fragment
	    // do it in cleanup so that we can call $destroy with
	    // defer right when a fragment is about to be removed.
	    if (this._frag) {
	      this._frag.children.$remove(this);
	    }
	    // remove reference from data ob
	    // frozen object may not have observer.
	    if (this._data.__ob__) {
	      this._data.__ob__.removeVm(this);
	    }
	    // Clean up references to private properties and other
	    // instances. preserve reference to _data so that proxy
	    // accessors still work. The only potential side effect
	    // here is that mutating the instance after it's destroyed
	    // may affect the state of other components that are still
	    // observing the same object, but that seems to be a
	    // reasonable responsibility for the user rather than
	    // always throwing an error on them.
	    this.$el = this.$parent = this.$root = this.$children = this._watchers = this._context = this._scope = this._directives = null;
	    // call the last hook...
	    this._isDestroyed = true;
	    this._callHook('destroyed');
	    // turn off all instance listeners.
	    this.$off();
	  };
	}

	function miscMixin (Vue) {

	  /**
	   * Apply a list of filter (descriptors) to a value.
	   * Using plain for loops here because this will be called in
	   * the getter of any watcher with filters so it is very
	   * performance sensitive.
	   *
	   * @param {*} value
	   * @param {*} [oldValue]
	   * @param {Array} filters
	   * @param {Boolean} write
	   * @return {*}
	   */

	  Vue.prototype._applyFilters = function (value, oldValue, filters, write) {
	    var filter, fn, args, arg, offset, i, l, j, k;
	    for (i = 0, l = filters.length; i < l; i++) {
	      filter = filters[i];
	      fn = resolveAsset(this.$options, 'filters', filter.name);
	      if (process.env.NODE_ENV !== 'production') {
	        assertAsset(fn, 'filter', filter.name);
	      }
	      if (!fn) continue;
	      fn = write ? fn.write : fn.read || fn;
	      if (typeof fn !== 'function') continue;
	      args = write ? [value, oldValue] : [value];
	      offset = write ? 2 : 1;
	      if (filter.args) {
	        for (j = 0, k = filter.args.length; j < k; j++) {
	          arg = filter.args[j];
	          args[j + offset] = arg.dynamic ? this.$get(arg.value) : arg.value;
	        }
	      }
	      value = fn.apply(this, args);
	    }
	    return value;
	  };

	  /**
	   * Resolve a component, depending on whether the component
	   * is defined normally or using an async factory function.
	   * Resolves synchronously if already resolved, otherwise
	   * resolves asynchronously and caches the resolved
	   * constructor on the factory.
	   *
	   * @param {String} id
	   * @param {Function} cb
	   */

	  Vue.prototype._resolveComponent = function (id, cb) {
	    var factory = resolveAsset(this.$options, 'components', id);
	    if (process.env.NODE_ENV !== 'production') {
	      assertAsset(factory, 'component', id);
	    }
	    if (!factory) {
	      return;
	    }
	    // async component factory
	    if (!factory.options) {
	      if (factory.resolved) {
	        // cached
	        cb(factory.resolved);
	      } else if (factory.requested) {
	        // pool callbacks
	        factory.pendingCallbacks.push(cb);
	      } else {
	        factory.requested = true;
	        var cbs = factory.pendingCallbacks = [cb];
	        factory(function resolve(res) {
	          if (isPlainObject(res)) {
	            res = Vue.extend(res);
	          }
	          // cache resolved
	          factory.resolved = res;
	          // invoke callbacks
	          for (var i = 0, l = cbs.length; i < l; i++) {
	            cbs[i](res);
	          }
	        }, function reject(reason) {
	          process.env.NODE_ENV !== 'production' && warn('Failed to resolve async component: ' + id + '. ' + (reason ? '\nReason: ' + reason : ''));
	        });
	      }
	    } else {
	      // normal component
	      cb(factory);
	    }
	  };
	}

	function globalAPI (Vue) {

	  /**
	   * Expose useful internals
	   */

	  Vue.util = util;
	  Vue.config = config;
	  Vue.set = set;
	  Vue['delete'] = del;
	  Vue.nextTick = nextTick;

	  /**
	   * The following are exposed for advanced usage / plugins
	   */

	  Vue.compiler = compiler;
	  Vue.FragmentFactory = FragmentFactory;
	  Vue.internalDirectives = internalDirectives;
	  Vue.parsers = {
	    path: path,
	    text: text$1,
	    template: template,
	    directive: directive,
	    expression: expression
	  };

	  /**
	   * Each instance constructor, including Vue, has a unique
	   * cid. This enables us to create wrapped "child
	   * constructors" for prototypal inheritance and cache them.
	   */

	  Vue.cid = 0;
	  var cid = 1;

	  /**
	   * Class inheritance
	   *
	   * @param {Object} extendOptions
	   */

	  Vue.extend = function (extendOptions) {
	    extendOptions = extendOptions || {};
	    var Super = this;
	    var isFirstExtend = Super.cid === 0;
	    if (isFirstExtend && extendOptions._Ctor) {
	      return extendOptions._Ctor;
	    }
	    var name = extendOptions.name || Super.options.name;
	    if (process.env.NODE_ENV !== 'production') {
	      if (!/^[a-zA-Z][\w-]+$/.test(name)) {
	        warn('Invalid component name: ' + name);
	        name = null;
	      }
	    }
	    var Sub = createClass(name || 'VueComponent');
	    Sub.prototype = Object.create(Super.prototype);
	    Sub.prototype.constructor = Sub;
	    Sub.cid = cid++;
	    Sub.options = mergeOptions(Super.options, extendOptions);
	    Sub['super'] = Super;
	    // allow further extension
	    Sub.extend = Super.extend;
	    // create asset registers, so extended classes
	    // can have their private assets too.
	    config._assetTypes.forEach(function (type) {
	      Sub[type] = Super[type];
	    });
	    // enable recursive self-lookup
	    if (name) {
	      Sub.options.components[name] = Sub;
	    }
	    // cache constructor
	    if (isFirstExtend) {
	      extendOptions._Ctor = Sub;
	    }
	    return Sub;
	  };

	  /**
	   * A function that returns a sub-class constructor with the
	   * given name. This gives us much nicer output when
	   * logging instances in the console.
	   *
	   * @param {String} name
	   * @return {Function}
	   */

	  function createClass(name) {
	    return new Function('return function ' + classify(name) + ' (options) { this._init(options) }')();
	  }

	  /**
	   * Plugin system
	   *
	   * @param {Object} plugin
	   */

	  Vue.use = function (plugin) {
	    /* istanbul ignore if */
	    if (plugin.installed) {
	      return;
	    }
	    // additional parameters
	    var args = toArray(arguments, 1);
	    args.unshift(this);
	    if (typeof plugin.install === 'function') {
	      plugin.install.apply(plugin, args);
	    } else {
	      plugin.apply(null, args);
	    }
	    plugin.installed = true;
	    return this;
	  };

	  /**
	   * Apply a global mixin by merging it into the default
	   * options.
	   */

	  Vue.mixin = function (mixin) {
	    Vue.options = mergeOptions(Vue.options, mixin);
	  };

	  /**
	   * Create asset registration methods with the following
	   * signature:
	   *
	   * @param {String} id
	   * @param {*} definition
	   */

	  config._assetTypes.forEach(function (type) {
	    Vue[type] = function (id, definition) {
	      if (!definition) {
	        return this.options[type + 's'][id];
	      } else {
	        /* istanbul ignore if */
	        if (process.env.NODE_ENV !== 'production') {
	          if (type === 'component' && (commonTagRE.test(id) || reservedTagRE.test(id))) {
	            warn('Do not use built-in or reserved HTML elements as component ' + 'id: ' + id);
	          }
	        }
	        if (type === 'component' && isPlainObject(definition)) {
	          definition.name = id;
	          definition = Vue.extend(definition);
	        }
	        this.options[type + 's'][id] = definition;
	        return definition;
	      }
	    };
	  });
	}

	var filterRE = /[^|]\|[^|]/;

	function dataAPI (Vue) {

	  /**
	   * Get the value from an expression on this vm.
	   *
	   * @param {String} exp
	   * @param {Boolean} [asStatement]
	   * @return {*}
	   */

	  Vue.prototype.$get = function (exp, asStatement) {
	    var res = parseExpression(exp);
	    if (res) {
	      if (asStatement && !isSimplePath(exp)) {
	        var self = this;
	        return function statementHandler() {
	          self.$arguments = toArray(arguments);
	          var result = res.get.call(self, self);
	          self.$arguments = null;
	          return result;
	        };
	      } else {
	        try {
	          return res.get.call(this, this);
	        } catch (e) {}
	      }
	    }
	  };

	  /**
	   * Set the value from an expression on this vm.
	   * The expression must be a valid left-hand
	   * expression in an assignment.
	   *
	   * @param {String} exp
	   * @param {*} val
	   */

	  Vue.prototype.$set = function (exp, val) {
	    var res = parseExpression(exp, true);
	    if (res && res.set) {
	      res.set.call(this, this, val);
	    }
	  };

	  /**
	   * Delete a property on the VM
	   *
	   * @param {String} key
	   */

	  Vue.prototype.$delete = function (key) {
	    del(this._data, key);
	  };

	  /**
	   * Watch an expression, trigger callback when its
	   * value changes.
	   *
	   * @param {String|Function} expOrFn
	   * @param {Function} cb
	   * @param {Object} [options]
	   *                 - {Boolean} deep
	   *                 - {Boolean} immediate
	   * @return {Function} - unwatchFn
	   */

	  Vue.prototype.$watch = function (expOrFn, cb, options) {
	    var vm = this;
	    var parsed;
	    if (typeof expOrFn === 'string') {
	      parsed = parseDirective(expOrFn);
	      expOrFn = parsed.expression;
	    }
	    var watcher = new Watcher(vm, expOrFn, cb, {
	      deep: options && options.deep,
	      sync: options && options.sync,
	      filters: parsed && parsed.filters,
	      user: !options || options.user !== false
	    });
	    if (options && options.immediate) {
	      cb.call(vm, watcher.value);
	    }
	    return function unwatchFn() {
	      watcher.teardown();
	    };
	  };

	  /**
	   * Evaluate a text directive, including filters.
	   *
	   * @param {String} text
	   * @param {Boolean} [asStatement]
	   * @return {String}
	   */

	  Vue.prototype.$eval = function (text, asStatement) {
	    // check for filters.
	    if (filterRE.test(text)) {
	      var dir = parseDirective(text);
	      // the filter regex check might give false positive
	      // for pipes inside strings, so it's possible that
	      // we don't get any filters here
	      var val = this.$get(dir.expression, asStatement);
	      return dir.filters ? this._applyFilters(val, null, dir.filters) : val;
	    } else {
	      // no filter
	      return this.$get(text, asStatement);
	    }
	  };

	  /**
	   * Interpolate a piece of template text.
	   *
	   * @param {String} text
	   * @return {String}
	   */

	  Vue.prototype.$interpolate = function (text) {
	    var tokens = parseText(text);
	    var vm = this;
	    if (tokens) {
	      if (tokens.length === 1) {
	        return vm.$eval(tokens[0].value) + '';
	      } else {
	        return tokens.map(function (token) {
	          return token.tag ? vm.$eval(token.value) : token.value;
	        }).join('');
	      }
	    } else {
	      return text;
	    }
	  };

	  /**
	   * Log instance data as a plain JS object
	   * so that it is easier to inspect in console.
	   * This method assumes console is available.
	   *
	   * @param {String} [path]
	   */

	  Vue.prototype.$log = function (path) {
	    var data = path ? getPath(this._data, path) : this._data;
	    if (data) {
	      data = clean(data);
	    }
	    // include computed fields
	    if (!path) {
	      for (var key in this.$options.computed) {
	        data[key] = clean(this[key]);
	      }
	    }
	    console.log(data);
	  };

	  /**
	   * "clean" a getter/setter converted object into a plain
	   * object copy.
	   *
	   * @param {Object} - obj
	   * @return {Object}
	   */

	  function clean(obj) {
	    return JSON.parse(JSON.stringify(obj));
	  }
	}

	function domAPI (Vue) {

	  /**
	   * Convenience on-instance nextTick. The callback is
	   * auto-bound to the instance, and this avoids component
	   * modules having to rely on the global Vue.
	   *
	   * @param {Function} fn
	   */

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

	  /**
	   * Append instance to target
	   *
	   * @param {Node} target
	   * @param {Function} [cb]
	   * @param {Boolean} [withTransition] - defaults to true
	   */

	  Vue.prototype.$appendTo = function (target, cb, withTransition) {
	    return insert(this, target, cb, withTransition, append, appendWithTransition);
	  };

	  /**
	   * Prepend instance to target
	   *
	   * @param {Node} target
	   * @param {Function} [cb]
	   * @param {Boolean} [withTransition] - defaults to true
	   */

	  Vue.prototype.$prependTo = function (target, cb, withTransition) {
	    target = query(target);
	    if (target.hasChildNodes()) {
	      this.$before(target.firstChild, cb, withTransition);
	    } else {
	      this.$appendTo(target, cb, withTransition);
	    }
	    return this;
	  };

	  /**
	   * Insert instance before target
	   *
	   * @param {Node} target
	   * @param {Function} [cb]
	   * @param {Boolean} [withTransition] - defaults to true
	   */

	  Vue.prototype.$before = function (target, cb, withTransition) {
	    return insert(this, target, cb, withTransition, beforeWithCb, beforeWithTransition);
	  };

	  /**
	   * Insert instance after target
	   *
	   * @param {Node} target
	   * @param {Function} [cb]
	   * @param {Boolean} [withTransition] - defaults to true
	   */

	  Vue.prototype.$after = function (target, cb, withTransition) {
	    target = query(target);
	    if (target.nextSibling) {
	      this.$before(target.nextSibling, cb, withTransition);
	    } else {
	      this.$appendTo(target.parentNode, cb, withTransition);
	    }
	    return this;
	  };

	  /**
	   * Remove instance from DOM
	   *
	   * @param {Function} [cb]
	   * @param {Boolean} [withTransition] - defaults to true
	   */

	  Vue.prototype.$remove = function (cb, withTransition) {
	    if (!this.$el.parentNode) {
	      return cb && cb();
	    }
	    var inDocument = this._isAttached && inDoc(this.$el);
	    // if we are not in document, no need to check
	    // for transitions
	    if (!inDocument) withTransition = false;
	    var self = this;
	    var realCb = function realCb() {
	      if (inDocument) self._callHook('detached');
	      if (cb) cb();
	    };
	    if (this._isFragment) {
	      removeNodeRange(this._fragmentStart, this._fragmentEnd, this, this._fragment, realCb);
	    } else {
	      var op = withTransition === false ? removeWithCb : removeWithTransition;
	      op(this.$el, this, realCb);
	    }
	    return this;
	  };

	  /**
	   * Shared DOM insertion function.
	   *
	   * @param {Vue} vm
	   * @param {Element} target
	   * @param {Function} [cb]
	   * @param {Boolean} [withTransition]
	   * @param {Function} op1 - op for non-transition insert
	   * @param {Function} op2 - op for transition insert
	   * @return vm
	   */

	  function insert(vm, target, cb, withTransition, op1, op2) {
	    target = query(target);
	    var targetIsDetached = !inDoc(target);
	    var op = withTransition === false || targetIsDetached ? op1 : op2;
	    var shouldCallHook = !targetIsDetached && !vm._isAttached && !inDoc(vm.$el);
	    if (vm._isFragment) {
	      mapNodeRange(vm._fragmentStart, vm._fragmentEnd, function (node) {
	        op(node, target, vm);
	      });
	      cb && cb();
	    } else {
	      op(vm.$el, target, vm, cb);
	    }
	    if (shouldCallHook) {
	      vm._callHook('attached');
	    }
	    return vm;
	  }

	  /**
	   * Check for selectors
	   *
	   * @param {String|Element} el
	   */

	  function query(el) {
	    return typeof el === 'string' ? document.querySelector(el) : el;
	  }

	  /**
	   * Append operation that takes a callback.
	   *
	   * @param {Node} el
	   * @param {Node} target
	   * @param {Vue} vm - unused
	   * @param {Function} [cb]
	   */

	  function append(el, target, vm, cb) {
	    target.appendChild(el);
	    if (cb) cb();
	  }

	  /**
	   * InsertBefore operation that takes a callback.
	   *
	   * @param {Node} el
	   * @param {Node} target
	   * @param {Vue} vm - unused
	   * @param {Function} [cb]
	   */

	  function beforeWithCb(el, target, vm, cb) {
	    before(el, target);
	    if (cb) cb();
	  }

	  /**
	   * Remove operation that takes a callback.
	   *
	   * @param {Node} el
	   * @param {Vue} vm - unused
	   * @param {Function} [cb]
	   */

	  function removeWithCb(el, vm, cb) {
	    remove(el);
	    if (cb) cb();
	  }
	}

	function eventsAPI (Vue) {

	  /**
	   * Listen on the given `event` with `fn`.
	   *
	   * @param {String} event
	   * @param {Function} fn
	   */

	  Vue.prototype.$on = function (event, fn) {
	    (this._events[event] || (this._events[event] = [])).push(fn);
	    modifyListenerCount(this, event, 1);
	    return this;
	  };

	  /**
	   * Adds an `event` listener that will be invoked a single
	   * time then automatically removed.
	   *
	   * @param {String} event
	   * @param {Function} fn
	   */

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

	  /**
	   * Remove the given callback for `event` or all
	   * registered callbacks.
	   *
	   * @param {String} event
	   * @param {Function} fn
	   */

	  Vue.prototype.$off = function (event, fn) {
	    var cbs;
	    // all
	    if (!arguments.length) {
	      if (this.$parent) {
	        for (event in this._events) {
	          cbs = this._events[event];
	          if (cbs) {
	            modifyListenerCount(this, event, -cbs.length);
	          }
	        }
	      }
	      this._events = {};
	      return this;
	    }
	    // specific event
	    cbs = this._events[event];
	    if (!cbs) {
	      return this;
	    }
	    if (arguments.length === 1) {
	      modifyListenerCount(this, event, -cbs.length);
	      this._events[event] = null;
	      return this;
	    }
	    // specific handler
	    var cb;
	    var i = cbs.length;
	    while (i--) {
	      cb = cbs[i];
	      if (cb === fn || cb.fn === fn) {
	        modifyListenerCount(this, event, -1);
	        cbs.splice(i, 1);
	        break;
	      }
	    }
	    return this;
	  };

	  /**
	   * Trigger an event on self.
	   *
	   * @param {String|Object} event
	   * @return {Boolean} shouldPropagate
	   */

	  Vue.prototype.$emit = function (event) {
	    var isSource = typeof event === 'string';
	    event = isSource ? event : event.name;
	    var cbs = this._events[event];
	    var shouldPropagate = isSource || !cbs;
	    if (cbs) {
	      cbs = cbs.length > 1 ? toArray(cbs) : cbs;
	      // this is a somewhat hacky solution to the question raised
	      // in #2102: for an inline component listener like <comp @test="doThis">,
	      // the propagation handling is somewhat broken. Therefore we
	      // need to treat these inline callbacks differently.
	      var hasParentCbs = isSource && cbs.some(function (cb) {
	        return cb._fromParent;
	      });
	      if (hasParentCbs) {
	        shouldPropagate = false;
	      }
	      var args = toArray(arguments, 1);
	      for (var i = 0, l = cbs.length; i < l; i++) {
	        var cb = cbs[i];
	        var res = cb.apply(this, args);
	        if (res === true && (!hasParentCbs || cb._fromParent)) {
	          shouldPropagate = true;
	        }
	      }
	    }
	    return shouldPropagate;
	  };

	  /**
	   * Recursively broadcast an event to all children instances.
	   *
	   * @param {String|Object} event
	   * @param {...*} additional arguments
	   */

	  Vue.prototype.$broadcast = function (event) {
	    var isSource = typeof event === 'string';
	    event = isSource ? event : event.name;
	    // if no child has registered for this event,
	    // then there's no need to broadcast.
	    if (!this._eventsCount[event]) return;
	    var children = this.$children;
	    var args = toArray(arguments);
	    if (isSource) {
	      // use object event to indicate non-source emit
	      // on children
	      args[0] = { name: event, source: this };
	    }
	    for (var i = 0, l = children.length; i < l; i++) {
	      var child = children[i];
	      var shouldPropagate = child.$emit.apply(child, args);
	      if (shouldPropagate) {
	        child.$broadcast.apply(child, args);
	      }
	    }
	    return this;
	  };

	  /**
	   * Recursively propagate an event up the parent chain.
	   *
	   * @param {String} event
	   * @param {...*} additional arguments
	   */

	  Vue.prototype.$dispatch = function (event) {
	    var shouldPropagate = this.$emit.apply(this, arguments);
	    if (!shouldPropagate) return;
	    var parent = this.$parent;
	    var args = toArray(arguments);
	    // use object event to indicate non-source emit
	    // on parents
	    args[0] = { name: event, source: this };
	    while (parent) {
	      shouldPropagate = parent.$emit.apply(parent, args);
	      parent = shouldPropagate ? parent.$parent : null;
	    }
	    return this;
	  };

	  /**
	   * Modify the listener counts on all parents.
	   * This bookkeeping allows $broadcast to return early when
	   * no child has listened to a certain event.
	   *
	   * @param {Vue} vm
	   * @param {String} event
	   * @param {Number} count
	   */

	  var hookRE = /^hook:/;
	  function modifyListenerCount(vm, event, count) {
	    var parent = vm.$parent;
	    // hooks do not get broadcasted so no need
	    // to do bookkeeping for them
	    if (!parent || !count || hookRE.test(event)) return;
	    while (parent) {
	      parent._eventsCount[event] = (parent._eventsCount[event] || 0) + count;
	      parent = parent.$parent;
	    }
	  }
	}

	function lifecycleAPI (Vue) {

	  /**
	   * Set instance target element and kick off the compilation
	   * process. The passed in `el` can be a selector string, an
	   * existing Element, or a DocumentFragment (for block
	   * instances).
	   *
	   * @param {Element|DocumentFragment|string} el
	   * @public
	   */

	  Vue.prototype.$mount = function (el) {
	    if (this._isCompiled) {
	      process.env.NODE_ENV !== 'production' && warn('$mount() should be called only once.');
	      return;
	    }
	    el = query(el);
	    if (!el) {
	      el = document.createElement('div');
	    }
	    this._compile(el);
	    this._initDOMHooks();
	    if (inDoc(this.$el)) {
	      this._callHook('attached');
	      ready.call(this);
	    } else {
	      this.$once('hook:attached', ready);
	    }
	    return this;
	  };

	  /**
	   * Mark an instance as ready.
	   */

	  function ready() {
	    this._isAttached = true;
	    this._isReady = true;
	    this._callHook('ready');
	  }

	  /**
	   * Teardown the instance, simply delegate to the internal
	   * _destroy.
	   */

	  Vue.prototype.$destroy = function (remove, deferCleanup) {
	    this._destroy(remove, deferCleanup);
	  };

	  /**
	   * Partially compile a piece of DOM and return a
	   * decompile function.
	   *
	   * @param {Element|DocumentFragment} el
	   * @param {Vue} [host]
	   * @return {Function}
	   */

	  Vue.prototype.$compile = function (el, host, scope, frag) {
	    return compile(el, this.$options, true)(this, el, host, scope, frag);
	  };
	}

	/**
	 * The exposed Vue constructor.
	 *
	 * API conventions:
	 * - public API methods/properties are prefixed with `$`
	 * - internal methods/properties are prefixed with `_`
	 * - non-prefixed properties are assumed to be proxied user
	 *   data.
	 *
	 * @constructor
	 * @param {Object} [options]
	 * @public
	 */

	function Vue(options) {
	  this._init(options);
	}

	// install internals
	initMixin(Vue);
	stateMixin(Vue);
	eventsMixin(Vue);
	lifecycleMixin(Vue);
	miscMixin(Vue);

	// install APIs
	globalAPI(Vue);
	dataAPI(Vue);
	domAPI(Vue);
	eventsAPI(Vue);
	lifecycleAPI(Vue);

	var convertArray = vFor._postProcess;

	/**
	 * Limit filter for arrays
	 *
	 * @param {Number} n
	 * @param {Number} offset (Decimal expected)
	 */

	function limitBy(arr, n, offset) {
	  offset = offset ? parseInt(offset, 10) : 0;
	  n = toNumber(n);
	  return typeof n === 'number' ? arr.slice(offset, offset + n) : arr;
	}

	/**
	 * Filter filter for arrays
	 *
	 * @param {String} search
	 * @param {String} [delimiter]
	 * @param {String} ...dataKeys
	 */

	function filterBy(arr, search, delimiter) {
	  arr = convertArray(arr);
	  if (search == null) {
	    return arr;
	  }
	  if (typeof search === 'function') {
	    return arr.filter(search);
	  }
	  // cast to lowercase string
	  search = ('' + search).toLowerCase();
	  // allow optional `in` delimiter
	  // because why not
	  var n = delimiter === 'in' ? 3 : 2;
	  // extract and flatten keys
	  var keys = toArray(arguments, n).reduce(function (prev, cur) {
	    return prev.concat(cur);
	  }, []);
	  var res = [];
	  var item, key, val, j;
	  for (var i = 0, l = arr.length; i < l; i++) {
	    item = arr[i];
	    val = item && item.$value || item;
	    j = keys.length;
	    if (j) {
	      while (j--) {
	        key = keys[j];
	        if (key === '$key' && contains(item.$key, search) || contains(getPath(val, key), search)) {
	          res.push(item);
	          break;
	        }
	      }
	    } else if (contains(item, search)) {
	      res.push(item);
	    }
	  }
	  return res;
	}

	/**
	 * Filter filter for arrays
	 *
	 * @param {String} sortKey
	 * @param {String} reverse
	 */

	function orderBy(arr, sortKey, reverse) {
	  arr = convertArray(arr);
	  if (!sortKey) {
	    return arr;
	  }
	  var order = reverse && reverse < 0 ? -1 : 1;
	  // sort on a copy to avoid mutating original array
	  return arr.slice().sort(function (a, b) {
	    if (sortKey !== '$key') {
	      if (isObject(a) && '$value' in a) a = a.$value;
	      if (isObject(b) && '$value' in b) b = b.$value;
	    }
	    a = isObject(a) ? getPath(a, sortKey) : a;
	    b = isObject(b) ? getPath(b, sortKey) : b;
	    return a === b ? 0 : a > b ? order : -order;
	  });
	}

	/**
	 * String contain helper
	 *
	 * @param {*} val
	 * @param {String} search
	 */

	function contains(val, search) {
	  var i;
	  if (isPlainObject(val)) {
	    var keys = Object.keys(val);
	    i = keys.length;
	    while (i--) {
	      if (contains(val[keys[i]], search)) {
	        return true;
	      }
	    }
	  } else if (isArray(val)) {
	    i = val.length;
	    while (i--) {
	      if (contains(val[i], search)) {
	        return true;
	      }
	    }
	  } else if (val != null) {
	    return val.toString().toLowerCase().indexOf(search) > -1;
	  }
	}

	var digitsRE = /(\d{3})(?=\d)/g;

	// asset collections must be a plain object.
	var filters = {

	  orderBy: orderBy,
	  filterBy: filterBy,
	  limitBy: limitBy,

	  /**
	   * Stringify value.
	   *
	   * @param {Number} indent
	   */

	  json: {
	    read: function read(value, indent) {
	      return typeof value === 'string' ? value : JSON.stringify(value, null, Number(indent) || 2);
	    },
	    write: function write(value) {
	      try {
	        return JSON.parse(value);
	      } catch (e) {
	        return value;
	      }
	    }
	  },

	  /**
	   * 'abc' => 'Abc'
	   */

	  capitalize: function capitalize(value) {
	    if (!value && value !== 0) return '';
	    value = value.toString();
	    return value.charAt(0).toUpperCase() + value.slice(1);
	  },

	  /**
	   * 'abc' => 'ABC'
	   */

	  uppercase: function uppercase(value) {
	    return value || value === 0 ? value.toString().toUpperCase() : '';
	  },

	  /**
	   * 'AbC' => 'abc'
	   */

	  lowercase: function lowercase(value) {
	    return value || value === 0 ? value.toString().toLowerCase() : '';
	  },

	  /**
	   * 12345 => $12,345.00
	   *
	   * @param {String} sign
	   */

	  currency: function currency(value, _currency) {
	    value = parseFloat(value);
	    if (!isFinite(value) || !value && value !== 0) return '';
	    _currency = _currency != null ? _currency : '$';
	    var stringified = Math.abs(value).toFixed(2);
	    var _int = stringified.slice(0, -3);
	    var i = _int.length % 3;
	    var head = i > 0 ? _int.slice(0, i) + (_int.length > 3 ? ',' : '') : '';
	    var _float = stringified.slice(-3);
	    var sign = value < 0 ? '-' : '';
	    return _currency + sign + head + _int.slice(i).replace(digitsRE, '$1,') + _float;
	  },

	  /**
	   * 'item' => 'items'
	   *
	   * @params
	   *  an array of strings corresponding to
	   *  the single, double, triple ... forms of the word to
	   *  be pluralized. When the number to be pluralized
	   *  exceeds the length of the args, it will use the last
	   *  entry in the array.
	   *
	   *  e.g. ['single', 'double', 'triple', 'multiple']
	   */

	  pluralize: function pluralize(value) {
	    var args = toArray(arguments, 1);
	    return args.length > 1 ? args[value % 10 - 1] || args[args.length - 1] : args[0] + (value === 1 ? '' : 's');
	  },

	  /**
	   * Debounce a handler function.
	   *
	   * @param {Function} handler
	   * @param {Number} delay = 300
	   * @return {Function}
	   */

	  debounce: function debounce(handler, delay) {
	    if (!handler) return;
	    if (!delay) {
	      delay = 300;
	    }
	    return _debounce(handler, delay);
	  }
	};

	var partial = {

	  priority: PARTIAL,

	  params: ['name'],

	  // watch changes to name for dynamic partials
	  paramWatchers: {
	    name: function name(value) {
	      vIf.remove.call(this);
	      if (value) {
	        this.insert(value);
	      }
	    }
	  },

	  bind: function bind() {
	    this.anchor = createAnchor('v-partial');
	    replace(this.el, this.anchor);
	    this.insert(this.params.name);
	  },

	  insert: function insert(id) {
	    var partial = resolveAsset(this.vm.$options, 'partials', id);
	    if (process.env.NODE_ENV !== 'production') {
	      assertAsset(partial, 'partial', id);
	    }
	    if (partial) {
	      this.factory = new FragmentFactory(this.vm, partial);
	      vIf.insert.call(this);
	    }
	  },

	  unbind: function unbind() {
	    if (this.frag) {
	      this.frag.destroy();
	    }
	  }
	};

	// This is the elementDirective that handles <content>
	// transclusions. It relies on the raw content of an
	// instance being stored as `$options._content` during
	// the transclude phase.

	// We are exporting two versions, one for named and one
	// for unnamed, because the unnamed slots must be compiled
	// AFTER all named slots have selected their content. So
	// we need to give them different priorities in the compilation
	// process. (See #1965)

	var slot = {

	  priority: SLOT,

	  bind: function bind() {
	    var host = this.vm;
	    var raw = host.$options._content;
	    if (!raw) {
	      this.fallback();
	      return;
	    }
	    var context = host._context;
	    var slotName = this.params && this.params.name;
	    if (!slotName) {
	      // Default slot
	      this.tryCompile(extractFragment(raw.childNodes, raw, true), context, host);
	    } else {
	      // Named slot
	      var selector = '[slot="' + slotName + '"]';
	      var nodes = raw.querySelectorAll(selector);
	      if (nodes.length) {
	        this.tryCompile(extractFragment(nodes, raw), context, host);
	      } else {
	        this.fallback();
	      }
	    }
	  },

	  tryCompile: function tryCompile(content, context, host) {
	    if (content.hasChildNodes()) {
	      this.compile(content, context, host);
	    } else {
	      this.fallback();
	    }
	  },

	  compile: function compile(content, context, host) {
	    if (content && context) {
	      var scope = host ? host._scope : this._scope;
	      this.unlink = context.$compile(content, host, scope, this._frag);
	    }
	    if (content) {
	      replace(this.el, content);
	    } else {
	      remove(this.el);
	    }
	  },

	  fallback: function fallback() {
	    this.compile(extractContent(this.el, true), this.vm);
	  },

	  unbind: function unbind() {
	    if (this.unlink) {
	      this.unlink();
	    }
	  }
	};

	var namedSlot = extend(extend({}, slot), {
	  priority: slot.priority + 1,
	  params: ['name']
	});

	/**
	 * Extract qualified content nodes from a node list.
	 *
	 * @param {NodeList} nodes
	 * @param {Element} parent
	 * @param {Boolean} main
	 * @return {DocumentFragment}
	 */

	function extractFragment(nodes, parent, main) {
	  var frag = document.createDocumentFragment();
	  for (var i = 0, l = nodes.length; i < l; i++) {
	    var node = nodes[i];
	    // if this is the main outlet, we want to skip all
	    // previously selected nodes;
	    // otherwise, we want to mark the node as selected.
	    // clone the node so the original raw content remains
	    // intact. this ensures proper re-compilation in cases
	    // where the outlet is inside a conditional block
	    if (main && !node.__v_selected) {
	      append(node);
	    } else if (!main && node.parentNode === parent) {
	      node.__v_selected = true;
	      append(node);
	    }
	  }
	  return frag;

	  function append(node) {
	    if (isTemplate(node) && !node.hasAttribute('v-if') && !node.hasAttribute('v-for')) {
	      node = parseTemplate(node);
	    }
	    node = cloneNode(node);
	    frag.appendChild(node);
	  }
	}

	var elementDirectives = {
	  slot: slot,
	  _namedSlot: namedSlot, // same as slot but with higher priority
	  partial: partial
	};

	Vue.version = '1.0.15';

	/**
	 * Vue and every constructor that extends Vue has an
	 * associated options object, which can be accessed during
	 * compilation steps as `this.constructor.options`.
	 *
	 * These can be seen as the default options of every
	 * Vue instance.
	 */

	Vue.options = {
	  directives: publicDirectives,
	  elementDirectives: elementDirectives,
	  filters: filters,
	  transitions: {},
	  components: {},
	  partials: {},
	  replace: true
	};

	// devtools global hook
	/* istanbul ignore if */
	if (process.env.NODE_ENV !== 'production' && inBrowser) {
	  if (window.__VUE_DEVTOOLS_GLOBAL_HOOK__) {
	    window.__VUE_DEVTOOLS_GLOBAL_HOOK__.emit('init', Vue);
	  } else if (/Chrome\/\d+/.test(navigator.userAgent)) {
	    console.log('Download the Vue Devtools for a better development experience:\n' + 'https://github.com/vuejs/vue-devtools');
	  }
	}

	module.exports = Vue;
	/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(5)))

/***/ },
/* 5 */
/***/ function(module, exports) {

	// shim for using process in browser

	var process = module.exports = {};
	var queue = [];
	var draining = false;
	var currentQueue;
	var queueIndex = -1;

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

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

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

	process.nextTick = function (fun) {
	    var args = new Array(arguments.length - 1);
	    if (arguments.length > 1) {
	        for (var i = 1; i < arguments.length; i++) {
	            args[i - 1] = arguments[i];
	        }
	    }
	    queue.push(new Item(fun, args));
	    if (queue.length === 1 && !draining) {
	        setTimeout(drainQueue, 0);
	    }
	};

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

	function noop() {}

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

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

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

/***/ },
/* 6 */
/***/ function(module, exports, __webpack_require__) {

	;(function () {

	  var vueTouch = {}
	  var Hammer =  true
	    ? __webpack_require__(7)
	    : window.Hammer
	  var gestures = ['tap', 'pan', 'pinch', 'press', 'rotate', 'swipe']
	  var customeEvents = {}

	  vueTouch.install = function (Vue) {

	    Vue.directive('touch', {

	      isFn: true,
	      acceptStatement: true,

	      bind: function () {
	        if (!this.el.hammer) {
	          this.el.hammer = new Hammer.Manager(this.el)
	        }
	        var mc = this.mc = this.el.hammer
	        // determine event type
	        var event = this.arg
	        var recognizerType, recognizer

	        if (customeEvents[event]) { // custom event

	          var custom = customeEvents[event]
	          recognizerType = custom.type
	          recognizer = new Hammer[capitalize(recognizerType)](custom)
	          recognizer.recognizeWith(mc.recognizers)
	          mc.add(recognizer)

	        } else { // built-in event

	          for (var i = 0; i < gestures.length; i++) {
	            if (event.indexOf(gestures[i]) === 0) {
	              recognizerType = gestures[i]
	              break
	            }
	          }
	          if (!recognizerType) {
	            console.warn('Invalid v-touch event: ' + event)
	            return
	          }
	          recognizer = mc.get(recognizerType)
	          if (!recognizer) {
	            // add recognizer
	            recognizer = new Hammer[capitalize(recognizerType)]()
	            // make sure multiple recognizers work together...
	            recognizer.recognizeWith(mc.recognizers)
	            mc.add(recognizer)
	          }

	        }
	      },

	      update: function (fn) {
	        var mc = this.mc
	        var vm = this.vm
	        var event = this.arg
	        // teardown old handler
	        if (this.handler) {
	          mc.off(event, this.handler)
	        }
	        // define new handler
	        this.handler = function (e) {
	          e.targetVM = vm
	          fn.call(vm, e)
	        }
	        mc.on(event, this.handler)
	      },

	      unbind: function () {
	        this.mc.off(this.arg, this.handler)
	        if (!Object.keys(this.mc.handlers).length) {
	          this.mc.destroy()
	          this.el.hammer = null
	        }
	      }

	    })
	  }

	  /**
	   * Register a custom event.
	   *
	   * @param {String} event
	   * @param {Object} options - a Hammer.js recognizer option object.
	   *                           required fields:
	   *                           - type: the base recognizer to use for this event
	   */

	  vueTouch.registerCustomEvent = function (event, options) {
	    options.event = event
	    customeEvents[event] = options
	  }

	  function capitalize (str) {
	    return str.charAt(0).toUpperCase() + str.slice(1)
	  }

	  if (true) {
	    module.exports = vueTouch
	  } else if (typeof define == "function" && define.amd) {
	    define([], function(){ return vueTouch })
	  } else if (window.Vue) {
	    window.VueTouch = vueTouch
	    Vue.use(vueTouch)
	  }

	})()

/***/ },
/* 7 */
/***/ function(module, exports, __webpack_require__) {

	var __WEBPACK_AMD_DEFINE_RESULT__;/*! Hammer.JS - v2.0.6 - 2015-12-23
	 * http://hammerjs.github.io/
	 *
	 * Copyright (c) 2015 Jorik Tangelder;
	 * Licensed under the  license */
	(function(window, document, exportName, undefined) {
	  'use strict';

	var VENDOR_PREFIXES = ['', 'webkit', 'Moz', 'MS', 'ms', 'o'];
	var TEST_ELEMENT = document.createElement('div');

	var TYPE_FUNCTION = 'function';

	var round = Math.round;
	var abs = Math.abs;
	var now = Date.now;

	/**
	 * set a timeout with a given scope
	 * @param {Function} fn
	 * @param {Number} timeout
	 * @param {Object} context
	 * @returns {number}
	 */
	function setTimeoutContext(fn, timeout, context) {
	    return setTimeout(bindFn(fn, context), timeout);
	}

	/**
	 * if the argument is an array, we want to execute the fn on each entry
	 * if it aint an array we don't want to do a thing.
	 * this is used by all the methods that accept a single and array argument.
	 * @param {*|Array} arg
	 * @param {String} fn
	 * @param {Object} [context]
	 * @returns {Boolean}
	 */
	function invokeArrayArg(arg, fn, context) {
	    if (Array.isArray(arg)) {
	        each(arg, context[fn], context);
	        return true;
	    }
	    return false;
	}

	/**
	 * walk objects and arrays
	 * @param {Object} obj
	 * @param {Function} iterator
	 * @param {Object} context
	 */
	function each(obj, iterator, context) {
	    var i;

	    if (!obj) {
	        return;
	    }

	    if (obj.forEach) {
	        obj.forEach(iterator, context);
	    } else if (obj.length !== undefined) {
	        i = 0;
	        while (i < obj.length) {
	            iterator.call(context, obj[i], i, obj);
	            i++;
	        }
	    } else {
	        for (i in obj) {
	            obj.hasOwnProperty(i) && iterator.call(context, obj[i], i, obj);
	        }
	    }
	}

	/**
	 * wrap a method with a deprecation warning and stack trace
	 * @param {Function} method
	 * @param {String} name
	 * @param {String} message
	 * @returns {Function} A new function wrapping the supplied method.
	 */
	function deprecate(method, name, message) {
	    var deprecationMessage = 'DEPRECATED METHOD: ' + name + '\n' + message + ' AT \n';
	    return function() {
	        var e = new Error('get-stack-trace');
	        var stack = e && e.stack ? e.stack.replace(/^[^\(]+?[\n$]/gm, '')
	            .replace(/^\s+at\s+/gm, '')
	            .replace(/^Object.<anonymous>\s*\(/gm, '{anonymous}()@') : 'Unknown Stack Trace';

	        var log = window.console && (window.console.warn || window.console.log);
	        if (log) {
	            log.call(window.console, deprecationMessage, stack);
	        }
	        return method.apply(this, arguments);
	    };
	}

	/**
	 * extend object.
	 * means that properties in dest will be overwritten by the ones in src.
	 * @param {Object} target
	 * @param {...Object} objects_to_assign
	 * @returns {Object} target
	 */
	var assign;
	if (typeof Object.assign !== 'function') {
	    assign = function assign(target) {
	        if (target === undefined || target === null) {
	            throw new TypeError('Cannot convert undefined or null to object');
	        }

	        var output = Object(target);
	        for (var index = 1; index < arguments.length; index++) {
	            var source = arguments[index];
	            if (source !== undefined && source !== null) {
	                for (var nextKey in source) {
	                    if (source.hasOwnProperty(nextKey)) {
	                        output[nextKey] = source[nextKey];
	                    }
	                }
	            }
	        }
	        return output;
	    };
	} else {
	    assign = Object.assign;
	}

	/**
	 * extend object.
	 * means that properties in dest will be overwritten by the ones in src.
	 * @param {Object} dest
	 * @param {Object} src
	 * @param {Boolean=false} [merge]
	 * @returns {Object} dest
	 */
	var extend = deprecate(function extend(dest, src, merge) {
	    var keys = Object.keys(src);
	    var i = 0;
	    while (i < keys.length) {
	        if (!merge || (merge && dest[keys[i]] === undefined)) {
	            dest[keys[i]] = src[keys[i]];
	        }
	        i++;
	    }
	    return dest;
	}, 'extend', 'Use `assign`.');

	/**
	 * merge the values from src in the dest.
	 * means that properties that exist in dest will not be overwritten by src
	 * @param {Object} dest
	 * @param {Object} src
	 * @returns {Object} dest
	 */
	var merge = deprecate(function merge(dest, src) {
	    return extend(dest, src, true);
	}, 'merge', 'Use `assign`.');

	/**
	 * simple class inheritance
	 * @param {Function} child
	 * @param {Function} base
	 * @param {Object} [properties]
	 */
	function inherit(child, base, properties) {
	    var baseP = base.prototype,
	        childP;

	    childP = child.prototype = Object.create(baseP);
	    childP.constructor = child;
	    childP._super = baseP;

	    if (properties) {
	        assign(childP, properties);
	    }
	}

	/**
	 * simple function bind
	 * @param {Function} fn
	 * @param {Object} context
	 * @returns {Function}
	 */
	function bindFn(fn, context) {
	    return function boundFn() {
	        return fn.apply(context, arguments);
	    };
	}

	/**
	 * let a boolean value also be a function that must return a boolean
	 * this first item in args will be used as the context
	 * @param {Boolean|Function} val
	 * @param {Array} [args]
	 * @returns {Boolean}
	 */
	function boolOrFn(val, args) {
	    if (typeof val == TYPE_FUNCTION) {
	        return val.apply(args ? args[0] || undefined : undefined, args);
	    }
	    return val;
	}

	/**
	 * use the val2 when val1 is undefined
	 * @param {*} val1
	 * @param {*} val2
	 * @returns {*}
	 */
	function ifUndefined(val1, val2) {
	    return (val1 === undefined) ? val2 : val1;
	}

	/**
	 * addEventListener with multiple events at once
	 * @param {EventTarget} target
	 * @param {String} types
	 * @param {Function} handler
	 */
	function addEventListeners(target, types, handler) {
	    each(splitStr(types), function(type) {
	        target.addEventListener(type, handler, false);
	    });
	}

	/**
	 * removeEventListener with multiple events at once
	 * @param {EventTarget} target
	 * @param {String} types
	 * @param {Function} handler
	 */
	function removeEventListeners(target, types, handler) {
	    each(splitStr(types), function(type) {
	        target.removeEventListener(type, handler, false);
	    });
	}

	/**
	 * find if a node is in the given parent
	 * @method hasParent
	 * @param {HTMLElement} node
	 * @param {HTMLElement} parent
	 * @return {Boolean} found
	 */
	function hasParent(node, parent) {
	    while (node) {
	        if (node == parent) {
	            return true;
	        }
	        node = node.parentNode;
	    }
	    return false;
	}

	/**
	 * small indexOf wrapper
	 * @param {String} str
	 * @param {String} find
	 * @returns {Boolean} found
	 */
	function inStr(str, find) {
	    return str.indexOf(find) > -1;
	}

	/**
	 * split string on whitespace
	 * @param {String} str
	 * @returns {Array} words
	 */
	function splitStr(str) {
	    return str.trim().split(/\s+/g);
	}

	/**
	 * find if a array contains the object using indexOf or a simple polyFill
	 * @param {Array} src
	 * @param {String} find
	 * @param {String} [findByKey]
	 * @return {Boolean|Number} false when not found, or the index
	 */
	function inArray(src, find, findByKey) {
	    if (src.indexOf && !findByKey) {
	        return src.indexOf(find);
	    } else {
	        var i = 0;
	        while (i < src.length) {
	            if ((findByKey && src[i][findByKey] == find) || (!findByKey && src[i] === find)) {
	                return i;
	            }
	            i++;
	        }
	        return -1;
	    }
	}

	/**
	 * convert array-like objects to real arrays
	 * @param {Object} obj
	 * @returns {Array}
	 */
	function toArray(obj) {
	    return Array.prototype.slice.call(obj, 0);
	}

	/**
	 * unique array with objects based on a key (like 'id') or just by the array's value
	 * @param {Array} src [{id:1},{id:2},{id:1}]
	 * @param {String} [key]
	 * @param {Boolean} [sort=False]
	 * @returns {Array} [{id:1},{id:2}]
	 */
	function uniqueArray(src, key, sort) {
	    var results = [];
	    var values = [];
	    var i = 0;

	    while (i < src.length) {
	        var val = key ? src[i][key] : src[i];
	        if (inArray(values, val) < 0) {
	            results.push(src[i]);
	        }
	        values[i] = val;
	        i++;
	    }

	    if (sort) {
	        if (!key) {
	            results = results.sort();
	        } else {
	            results = results.sort(function sortUniqueArray(a, b) {
	                return a[key] > b[key];
	            });
	        }
	    }

	    return results;
	}

	/**
	 * get the prefixed property
	 * @param {Object} obj
	 * @param {String} property
	 * @returns {String|Undefined} prefixed
	 */
	function prefixed(obj, property) {
	    var prefix, prop;
	    var camelProp = property[0].toUpperCase() + property.slice(1);

	    var i = 0;
	    while (i < VENDOR_PREFIXES.length) {
	        prefix = VENDOR_PREFIXES[i];
	        prop = (prefix) ? prefix + camelProp : property;

	        if (prop in obj) {
	            return prop;
	        }
	        i++;
	    }
	    return undefined;
	}

	/**
	 * get a unique id
	 * @returns {number} uniqueId
	 */
	var _uniqueId = 1;
	function uniqueId() {
	    return _uniqueId++;
	}

	/**
	 * get the window object of an element
	 * @param {HTMLElement} element
	 * @returns {DocumentView|Window}
	 */
	function getWindowForElement(element) {
	    var doc = element.ownerDocument || element;
	    return (doc.defaultView || doc.parentWindow || window);
	}

	var MOBILE_REGEX = /mobile|tablet|ip(ad|hone|od)|android/i;

	var SUPPORT_TOUCH = ('ontouchstart' in window);
	var SUPPORT_POINTER_EVENTS = prefixed(window, 'PointerEvent') !== undefined;
	var SUPPORT_ONLY_TOUCH = SUPPORT_TOUCH && MOBILE_REGEX.test(navigator.userAgent);

	var INPUT_TYPE_TOUCH = 'touch';
	var INPUT_TYPE_PEN = 'pen';
	var INPUT_TYPE_MOUSE = 'mouse';
	var INPUT_TYPE_KINECT = 'kinect';

	var COMPUTE_INTERVAL = 25;

	var INPUT_START = 1;
	var INPUT_MOVE = 2;
	var INPUT_END = 4;
	var INPUT_CANCEL = 8;

	var DIRECTION_NONE = 1;
	var DIRECTION_LEFT = 2;
	var DIRECTION_RIGHT = 4;
	var DIRECTION_UP = 8;
	var DIRECTION_DOWN = 16;

	var DIRECTION_HORIZONTAL = DIRECTION_LEFT | DIRECTION_RIGHT;
	var DIRECTION_VERTICAL = DIRECTION_UP | DIRECTION_DOWN;
	var DIRECTION_ALL = DIRECTION_HORIZONTAL | DIRECTION_VERTICAL;

	var PROPS_XY = ['x', 'y'];
	var PROPS_CLIENT_XY = ['clientX', 'clientY'];

	/**
	 * create new input type manager
	 * @param {Manager} manager
	 * @param {Function} callback
	 * @returns {Input}
	 * @constructor
	 */
	function Input(manager, callback) {
	    var self = this;
	    this.manager = manager;
	    this.callback = callback;
	    this.element = manager.element;
	    this.target = manager.options.inputTarget;

	    // smaller wrapper around the handler, for the scope and the enabled state of the manager,
	    // so when disabled the input events are completely bypassed.
	    this.domHandler = function(ev) {
	        if (boolOrFn(manager.options.enable, [manager])) {
	            self.handler(ev);
	        }
	    };

	    this.init();

	}

	Input.prototype = {
	    /**
	     * should handle the inputEvent data and trigger the callback
	     * @virtual
	     */
	    handler: function() { },

	    /**
	     * bind the events
	     */
	    init: function() {
	        this.evEl && addEventListeners(this.element, this.evEl, this.domHandler);
	        this.evTarget && addEventListeners(this.target, this.evTarget, this.domHandler);
	        this.evWin && addEventListeners(getWindowForElement(this.element), this.evWin, this.domHandler);
	    },

	    /**
	     * unbind the events
	     */
	    destroy: function() {
	        this.evEl && removeEventListeners(this.element, this.evEl, this.domHandler);
	        this.evTarget && removeEventListeners(this.target, this.evTarget, this.domHandler);
	        this.evWin && removeEventListeners(getWindowForElement(this.element), this.evWin, this.domHandler);
	    }
	};

	/**
	 * create new input type manager
	 * called by the Manager constructor
	 * @param {Hammer} manager
	 * @returns {Input}
	 */
	function createInputInstance(manager) {
	    var Type;
	    var inputClass = manager.options.inputClass;

	    if (inputClass) {
	        Type = inputClass;
	    } else if (SUPPORT_POINTER_EVENTS) {
	        Type = PointerEventInput;
	    } else if (SUPPORT_ONLY_TOUCH) {
	        Type = TouchInput;
	    } else if (!SUPPORT_TOUCH) {
	        Type = MouseInput;
	    } else {
	        Type = TouchMouseInput;
	    }
	    return new (Type)(manager, inputHandler);
	}

	/**
	 * handle input events
	 * @param {Manager} manager
	 * @param {String} eventType
	 * @param {Object} input
	 */
	function inputHandler(manager, eventType, input) {
	    var pointersLen = input.pointers.length;
	    var changedPointersLen = input.changedPointers.length;
	    var isFirst = (eventType & INPUT_START && (pointersLen - changedPointersLen === 0));
	    var isFinal = (eventType & (INPUT_END | INPUT_CANCEL) && (pointersLen - changedPointersLen === 0));

	    input.isFirst = !!isFirst;
	    input.isFinal = !!isFinal;

	    if (isFirst) {
	        manager.session = {};
	    }

	    // source event is the normalized value of the domEvents
	    // like 'touchstart, mouseup, pointerdown'
	    input.eventType = eventType;

	    // compute scale, rotation etc
	    computeInputData(manager, input);

	    // emit secret event
	    manager.emit('hammer.input', input);

	    manager.recognize(input);
	    manager.session.prevInput = input;
	}

	/**
	 * extend the data with some usable properties like scale, rotate, velocity etc
	 * @param {Object} manager
	 * @param {Object} input
	 */
	function computeInputData(manager, input) {
	    var session = manager.session;
	    var pointers = input.pointers;
	    var pointersLength = pointers.length;

	    // store the first input to calculate the distance and direction
	    if (!session.firstInput) {
	        session.firstInput = simpleCloneInputData(input);
	    }

	    // to compute scale and rotation we need to store the multiple touches
	    if (pointersLength > 1 && !session.firstMultiple) {
	        session.firstMultiple = simpleCloneInputData(input);
	    } else if (pointersLength === 1) {
	        session.firstMultiple = false;
	    }

	    var firstInput = session.firstInput;
	    var firstMultiple = session.firstMultiple;
	    var offsetCenter = firstMultiple ? firstMultiple.center : firstInput.center;

	    var center = input.center = getCenter(pointers);
	    input.timeStamp = now();
	    input.deltaTime = input.timeStamp - firstInput.timeStamp;

	    input.angle = getAngle(offsetCenter, center);
	    input.distance = getDistance(offsetCenter, center);

	    computeDeltaXY(session, input);
	    input.offsetDirection = getDirection(input.deltaX, input.deltaY);

	    var overallVelocity = getVelocity(input.deltaTime, input.deltaX, input.deltaY);
	    input.overallVelocityX = overallVelocity.x;
	    input.overallVelocityY = overallVelocity.y;
	    input.overallVelocity = (abs(overallVelocity.x) > abs(overallVelocity.y)) ? overallVelocity.x : overallVelocity.y;

	    input.scale = firstMultiple ? getScale(firstMultiple.pointers, pointers) : 1;
	    input.rotation = firstMultiple ? getRotation(firstMultiple.pointers, pointers) : 0;

	    input.maxPointers = !session.prevInput ? input.pointers.length : ((input.pointers.length >
	        session.prevInput.maxPointers) ? input.pointers.length : session.prevInput.maxPointers);

	    computeIntervalInputData(session, input);

	    // find the correct target
	    var target = manager.element;
	    if (hasParent(input.srcEvent.target, target)) {
	        target = input.srcEvent.target;
	    }
	    input.target = target;
	}

	function computeDeltaXY(session, input) {
	    var center = input.center;
	    var offset = session.offsetDelta || {};
	    var prevDelta = session.prevDelta || {};
	    var prevInput = session.prevInput || {};

	    if (input.eventType === INPUT_START || prevInput.eventType === INPUT_END) {
	        prevDelta = session.prevDelta = {
	            x: prevInput.deltaX || 0,
	            y: prevInput.deltaY || 0
	        };

	        offset = session.offsetDelta = {
	            x: center.x,
	            y: center.y
	        };
	    }

	    input.deltaX = prevDelta.x + (center.x - offset.x);
	    input.deltaY = prevDelta.y + (center.y - offset.y);
	}

	/**
	 * velocity is calculated every x ms
	 * @param {Object} session
	 * @param {Object} input
	 */
	function computeIntervalInputData(session, input) {
	    var last = session.lastInterval || input,
	        deltaTime = input.timeStamp - last.timeStamp,
	        velocity, velocityX, velocityY, direction;

	    if (input.eventType != INPUT_CANCEL && (deltaTime > COMPUTE_INTERVAL || last.velocity === undefined)) {
	        var deltaX = input.deltaX - last.deltaX;
	        var deltaY = input.deltaY - last.deltaY;

	        var v = getVelocity(deltaTime, deltaX, deltaY);
	        velocityX = v.x;
	        velocityY = v.y;
	        velocity = (abs(v.x) > abs(v.y)) ? v.x : v.y;
	        direction = getDirection(deltaX, deltaY);

	        session.lastInterval = input;
	    } else {
	        // use latest velocity info if it doesn't overtake a minimum period
	        velocity = last.velocity;
	        velocityX = last.velocityX;
	        velocityY = last.velocityY;
	        direction = last.direction;
	    }

	    input.velocity = velocity;
	    input.velocityX = velocityX;
	    input.velocityY = velocityY;
	    input.direction = direction;
	}

	/**
	 * create a simple clone from the input used for storage of firstInput and firstMultiple
	 * @param {Object} input
	 * @returns {Object} clonedInputData
	 */
	function simpleCloneInputData(input) {
	    // make a simple copy of the pointers because we will get a reference if we don't
	    // we only need clientXY for the calculations
	    var pointers = [];
	    var i = 0;
	    while (i < input.pointers.length) {
	        pointers[i] = {
	            clientX: round(input.pointers[i].clientX),
	            clientY: round(input.pointers[i].clientY)
	        };
	        i++;
	    }

	    return {
	        timeStamp: now(),
	        pointers: pointers,
	        center: getCenter(pointers),
	        deltaX: input.deltaX,
	        deltaY: input.deltaY
	    };
	}

	/**
	 * get the center of all the pointers
	 * @param {Array} pointers
	 * @return {Object} center contains `x` and `y` properties
	 */
	function getCenter(pointers) {
	    var pointersLength = pointers.length;

	    // no need to loop when only one touch
	    if (pointersLength === 1) {
	        return {
	            x: round(pointers[0].clientX),
	            y: round(pointers[0].clientY)
	        };
	    }

	    var x = 0, y = 0, i = 0;
	    while (i < pointersLength) {
	        x += pointers[i].clientX;
	        y += pointers[i].clientY;
	        i++;
	    }

	    return {
	        x: round(x / pointersLength),
	        y: round(y / pointersLength)
	    };
	}

	/**
	 * calculate the velocity between two points. unit is in px per ms.
	 * @param {Number} deltaTime
	 * @param {Number} x
	 * @param {Number} y
	 * @return {Object} velocity `x` and `y`
	 */
	function getVelocity(deltaTime, x, y) {
	    return {
	        x: x / deltaTime || 0,
	        y: y / deltaTime || 0
	    };
	}

	/**
	 * get the direction between two points
	 * @param {Number} x
	 * @param {Number} y
	 * @return {Number} direction
	 */
	function getDirection(x, y) {
	    if (x === y) {
	        return DIRECTION_NONE;
	    }

	    if (abs(x) >= abs(y)) {
	        return x < 0 ? DIRECTION_LEFT : DIRECTION_RIGHT;
	    }
	    return y < 0 ? DIRECTION_UP : DIRECTION_DOWN;
	}

	/**
	 * calculate the absolute distance between two points
	 * @param {Object} p1 {x, y}
	 * @param {Object} p2 {x, y}
	 * @param {Array} [props] containing x and y keys
	 * @return {Number} distance
	 */
	function getDistance(p1, p2, props) {
	    if (!props) {
	        props = PROPS_XY;
	    }
	    var x = p2[props[0]] - p1[props[0]],
	        y = p2[props[1]] - p1[props[1]];

	    return Math.sqrt((x * x) + (y * y));
	}

	/**
	 * calculate the angle between two coordinates
	 * @param {Object} p1
	 * @param {Object} p2
	 * @param {Array} [props] containing x and y keys
	 * @return {Number} angle
	 */
	function getAngle(p1, p2, props) {
	    if (!props) {
	        props = PROPS_XY;
	    }
	    var x = p2[props[0]] - p1[props[0]],
	        y = p2[props[1]] - p1[props[1]];
	    return Math.atan2(y, x) * 180 / Math.PI;
	}

	/**
	 * calculate the rotation degrees between two pointersets
	 * @param {Array} start array of pointers
	 * @param {Array} end array of pointers
	 * @return {Number} rotation
	 */
	function getRotation(start, end) {
	    return getAngle(end[1], end[0], PROPS_CLIENT_XY) + getAngle(start[1], start[0], PROPS_CLIENT_XY);
	}

	/**
	 * calculate the scale factor between two pointersets
	 * no scale is 1, and goes down to 0 when pinched together, and bigger when pinched out
	 * @param {Array} start array of pointers
	 * @param {Array} end array of pointers
	 * @return {Number} scale
	 */
	function getScale(start, end) {
	    return getDistance(end[0], end[1], PROPS_CLIENT_XY) / getDistance(start[0], start[1], PROPS_CLIENT_XY);
	}

	var MOUSE_INPUT_MAP = {
	    mousedown: INPUT_START,
	    mousemove: INPUT_MOVE,
	    mouseup: INPUT_END
	};

	var MOUSE_ELEMENT_EVENTS = 'mousedown';
	var MOUSE_WINDOW_EVENTS = 'mousemove mouseup';

	/**
	 * Mouse events input
	 * @constructor
	 * @extends Input
	 */
	function MouseInput() {
	    this.evEl = MOUSE_ELEMENT_EVENTS;
	    this.evWin = MOUSE_WINDOW_EVENTS;

	    this.allow = true; // used by Input.TouchMouse to disable mouse events
	    this.pressed = false; // mousedown state

	    Input.apply(this, arguments);
	}

	inherit(MouseInput, Input, {
	    /**
	     * handle mouse events
	     * @param {Object} ev
	     */
	    handler: function MEhandler(ev) {
	        var eventType = MOUSE_INPUT_MAP[ev.type];

	        // on start we want to have the left mouse button down
	        if (eventType & INPUT_START && ev.button === 0) {
	            this.pressed = true;
	        }

	        if (eventType & INPUT_MOVE && ev.which !== 1) {
	            eventType = INPUT_END;
	        }

	        // mouse must be down, and mouse events are allowed (see the TouchMouse input)
	        if (!this.pressed || !this.allow) {
	            return;
	        }

	        if (eventType & INPUT_END) {
	            this.pressed = false;
	        }

	        this.callback(this.manager, eventType, {
	            pointers: [ev],
	            changedPointers: [ev],
	            pointerType: INPUT_TYPE_MOUSE,
	            srcEvent: ev
	        });
	    }
	});

	var POINTER_INPUT_MAP = {
	    pointerdown: INPUT_START,
	    pointermove: INPUT_MOVE,
	    pointerup: INPUT_END,
	    pointercancel: INPUT_CANCEL,
	    pointerout: INPUT_CANCEL
	};

	// in IE10 the pointer types is defined as an enum
	var IE10_POINTER_TYPE_ENUM = {
	    2: INPUT_TYPE_TOUCH,
	    3: INPUT_TYPE_PEN,
	    4: INPUT_TYPE_MOUSE,
	    5: INPUT_TYPE_KINECT // see https://twitter.com/jacobrossi/status/480596438489890816
	};

	var POINTER_ELEMENT_EVENTS = 'pointerdown';
	var POINTER_WINDOW_EVENTS = 'pointermove pointerup pointercancel';

	// IE10 has prefixed support, and case-sensitive
	if (window.MSPointerEvent && !window.PointerEvent) {
	    POINTER_ELEMENT_EVENTS = 'MSPointerDown';
	    POINTER_WINDOW_EVENTS = 'MSPointerMove MSPointerUp MSPointerCancel';
	}

	/**
	 * Pointer events input
	 * @constructor
	 * @extends Input
	 */
	function PointerEventInput() {
	    this.evEl = POINTER_ELEMENT_EVENTS;
	    this.evWin = POINTER_WINDOW_EVENTS;

	    Input.apply(this, arguments);

	    this.store = (this.manager.session.pointerEvents = []);
	}

	inherit(PointerEventInput, Input, {
	    /**
	     * handle mouse events
	     * @param {Object} ev
	     */
	    handler: function PEhandler(ev) {
	        var store = this.store;
	        var removePointer = false;

	        var eventTypeNormalized = ev.type.toLowerCase().replace('ms', '');
	        var eventType = POINTER_INPUT_MAP[eventTypeNormalized];
	        var pointerType = IE10_POINTER_TYPE_ENUM[ev.pointerType] || ev.pointerType;

	        var isTouch = (pointerType == INPUT_TYPE_TOUCH);

	        // get index of the event in the store
	        var storeIndex = inArray(store, ev.pointerId, 'pointerId');

	        // start and mouse must be down
	        if (eventType & INPUT_START && (ev.button === 0 || isTouch)) {
	            if (storeIndex < 0) {
	                store.push(ev);
	                storeIndex = store.length - 1;
	            }
	        } else if (eventType & (INPUT_END | INPUT_CANCEL)) {
	            removePointer = true;
	        }

	        // it not found, so the pointer hasn't been down (so it's probably a hover)
	        if (storeIndex < 0) {
	            return;
	        }

	        // update the event in the store
	        store[storeIndex] = ev;

	        this.callback(this.manager, eventType, {
	            pointers: store,
	            changedPointers: [ev],
	            pointerType: pointerType,
	            srcEvent: ev
	        });

	        if (removePointer) {
	            // remove from the store
	            store.splice(storeIndex, 1);
	        }
	    }
	});

	var SINGLE_TOUCH_INPUT_MAP = {
	    touchstart: INPUT_START,
	    touchmove: INPUT_MOVE,
	    touchend: INPUT_END,
	    touchcancel: INPUT_CANCEL
	};

	var SINGLE_TOUCH_TARGET_EVENTS = 'touchstart';
	var SINGLE_TOUCH_WINDOW_EVENTS = 'touchstart touchmove touchend touchcancel';

	/**
	 * Touch events input
	 * @constructor
	 * @extends Input
	 */
	function SingleTouchInput() {
	    this.evTarget = SINGLE_TOUCH_TARGET_EVENTS;
	    this.evWin = SINGLE_TOUCH_WINDOW_EVENTS;
	    this.started = false;

	    Input.apply(this, arguments);
	}

	inherit(SingleTouchInput, Input, {
	    handler: function TEhandler(ev) {
	        var type = SINGLE_TOUCH_INPUT_MAP[ev.type];

	        // should we handle the touch events?
	        if (type === INPUT_START) {
	            this.started = true;
	        }

	        if (!this.started) {
	            return;
	        }

	        var touches = normalizeSingleTouches.call(this, ev, type);

	        // when done, reset the started state
	        if (type & (INPUT_END | INPUT_CANCEL) && touches[0].length - touches[1].length === 0) {
	            this.started = false;
	        }

	        this.callback(this.manager, type, {
	            pointers: touches[0],
	            changedPointers: touches[1],
	            pointerType: INPUT_TYPE_TOUCH,
	            srcEvent: ev
	        });
	    }
	});

	/**
	 * @this {TouchInput}
	 * @param {Object} ev
	 * @param {Number} type flag
	 * @returns {undefined|Array} [all, changed]
	 */
	function normalizeSingleTouches(ev, type) {
	    var all = toArray(ev.touches);
	    var changed = toArray(ev.changedTouches);

	    if (type & (INPUT_END | INPUT_CANCEL)) {
	        all = uniqueArray(all.concat(changed), 'identifier', true);
	    }

	    return [all, changed];
	}

	var TOUCH_INPUT_MAP = {
	    touchstart: INPUT_START,
	    touchmove: INPUT_MOVE,
	    touchend: INPUT_END,
	    touchcancel: INPUT_CANCEL
	};

	var TOUCH_TARGET_EVENTS = 'touchstart touchmove touchend touchcancel';

	/**
	 * Multi-user touch events input
	 * @constructor
	 * @extends Input
	 */
	function TouchInput() {
	    this.evTarget = TOUCH_TARGET_EVENTS;
	    this.targetIds = {};

	    Input.apply(this, arguments);
	}

	inherit(TouchInput, Input, {
	    handler: function MTEhandler(ev) {
	        var type = TOUCH_INPUT_MAP[ev.type];
	        var touches = getTouches.call(this, ev, type);
	        if (!touches) {
	            return;
	        }

	        this.callback(this.manager, type, {
	            pointers: touches[0],
	            changedPointers: touches[1],
	            pointerType: INPUT_TYPE_TOUCH,
	            srcEvent: ev
	        });
	    }
	});

	/**
	 * @this {TouchInput}
	 * @param {Object} ev
	 * @param {Number} type flag
	 * @returns {undefined|Array} [all, changed]
	 */
	function getTouches(ev, type) {
	    var allTouches = toArray(ev.touches);
	    var targetIds = this.targetIds;

	    // when there is only one touch, the process can be simplified
	    if (type & (INPUT_START | INPUT_MOVE) && allTouches.length === 1) {
	        targetIds[allTouches[0].identifier] = true;
	        return [allTouches, allTouches];
	    }

	    var i,
	        targetTouches,
	        changedTouches = toArray(ev.changedTouches),
	        changedTargetTouches = [],
	        target = this.target;

	    // get target touches from touches
	    targetTouches = allTouches.filter(function(touch) {
	        return hasParent(touch.target, target);
	    });

	    // collect touches
	    if (type === INPUT_START) {
	        i = 0;
	        while (i < targetTouches.length) {
	            targetIds[targetTouches[i].identifier] = true;
	            i++;
	        }
	    }

	    // filter changed touches to only contain touches that exist in the collected target ids
	    i = 0;
	    while (i < changedTouches.length) {
	        if (targetIds[changedTouches[i].identifier]) {
	            changedTargetTouches.push(changedTouches[i]);
	        }

	        // cleanup removed touches
	        if (type & (INPUT_END | INPUT_CANCEL)) {
	            delete targetIds[changedTouches[i].identifier];
	        }
	        i++;
	    }

	    if (!changedTargetTouches.length) {
	        return;
	    }

	    return [
	        // merge targetTouches with changedTargetTouches so it contains ALL touches, including 'end' and 'cancel'
	        uniqueArray(targetTouches.concat(changedTargetTouches), 'identifier', true),
	        changedTargetTouches
	    ];
	}

	/**
	 * Combined touch and mouse input
	 *
	 * Touch has a higher priority then mouse, and while touching no mouse events are allowed.
	 * This because touch devices also emit mouse events while doing a touch.
	 *
	 * @constructor
	 * @extends Input
	 */
	function TouchMouseInput() {
	    Input.apply(this, arguments);

	    var handler = bindFn(this.handler, this);
	    this.touch = new TouchInput(this.manager, handler);
	    this.mouse = new MouseInput(this.manager, handler);
	}

	inherit(TouchMouseInput, Input, {
	    /**
	     * handle mouse and touch events
	     * @param {Hammer} manager
	     * @param {String} inputEvent
	     * @param {Object} inputData
	     */
	    handler: function TMEhandler(manager, inputEvent, inputData) {
	        var isTouch = (inputData.pointerType == INPUT_TYPE_TOUCH),
	            isMouse = (inputData.pointerType == INPUT_TYPE_MOUSE);

	        // when we're in a touch event, so  block all upcoming mouse events
	        // most mobile browser also emit mouseevents, right after touchstart
	        if (isTouch) {
	            this.mouse.allow = false;
	        } else if (isMouse && !this.mouse.allow) {
	            return;
	        }

	        // reset the allowMouse when we're done
	        if (inputEvent & (INPUT_END | INPUT_CANCEL)) {
	            this.mouse.allow = true;
	        }

	        this.callback(manager, inputEvent, inputData);
	    },

	    /**
	     * remove the event listeners
	     */
	    destroy: function destroy() {
	        this.touch.destroy();
	        this.mouse.destroy();
	    }
	});

	var PREFIXED_TOUCH_ACTION = prefixed(TEST_ELEMENT.style, 'touchAction');
	var NATIVE_TOUCH_ACTION = PREFIXED_TOUCH_ACTION !== undefined;

	// magical touchAction value
	var TOUCH_ACTION_COMPUTE = 'compute';
	var TOUCH_ACTION_AUTO = 'auto';
	var TOUCH_ACTION_MANIPULATION = 'manipulation'; // not implemented
	var TOUCH_ACTION_NONE = 'none';
	var TOUCH_ACTION_PAN_X = 'pan-x';
	var TOUCH_ACTION_PAN_Y = 'pan-y';

	/**
	 * Touch Action
	 * sets the touchAction property or uses the js alternative
	 * @param {Manager} manager
	 * @param {String} value
	 * @constructor
	 */
	function TouchAction(manager, value) {
	    this.manager = manager;
	    this.set(value);
	}

	TouchAction.prototype = {
	    /**
	     * set the touchAction value on the element or enable the polyfill
	     * @param {String} value
	     */
	    set: function(value) {
	        // find out the touch-action by the event handlers
	        if (value == TOUCH_ACTION_COMPUTE) {
	            value = this.compute();
	        }

	        if (NATIVE_TOUCH_ACTION && this.manager.element.style) {
	            this.manager.element.style[PREFIXED_TOUCH_ACTION] = value;
	        }
	        this.actions = value.toLowerCase().trim();
	    },

	    /**
	     * just re-set the touchAction value
	     */
	    update: function() {
	        this.set(this.manager.options.touchAction);
	    },

	    /**
	     * compute the value for the touchAction property based on the recognizer's settings
	     * @returns {String} value
	     */
	    compute: function() {
	        var actions = [];
	        each(this.manager.recognizers, function(recognizer) {
	            if (boolOrFn(recognizer.options.enable, [recognizer])) {
	                actions = actions.concat(recognizer.getTouchAction());
	            }
	        });
	        return cleanTouchActions(actions.join(' '));
	    },

	    /**
	     * this method is called on each input cycle and provides the preventing of the browser behavior
	     * @param {Object} input
	     */
	    preventDefaults: function(input) {
	        // not needed with native support for the touchAction property
	        if (NATIVE_TOUCH_ACTION) {
	            return;
	        }

	        var srcEvent = input.srcEvent;
	        var direction = input.offsetDirection;

	        // if the touch action did prevented once this session
	        if (this.manager.session.prevented) {
	            srcEvent.preventDefault();
	            return;
	        }

	        var actions = this.actions;
	        var hasNone = inStr(actions, TOUCH_ACTION_NONE);
	        var hasPanY = inStr(actions, TOUCH_ACTION_PAN_Y);
	        var hasPanX = inStr(actions, TOUCH_ACTION_PAN_X);

	        if (hasNone) {
	            //do not prevent defaults if this is a tap gesture

	            var isTapPointer = input.pointers.length === 1;
	            var isTapMovement = input.distance < 2;
	            var isTapTouchTime = input.deltaTime < 250;

	            if (isTapPointer && isTapMovement && isTapTouchTime) {
	                return;
	            }
	        }

	        if (hasPanX && hasPanY) {
	            // `pan-x pan-y` means browser handles all scrolling/panning, do not prevent
	            return;
	        }

	        if (hasNone ||
	            (hasPanY && direction & DIRECTION_HORIZONTAL) ||
	            (hasPanX && direction & DIRECTION_VERTICAL)) {
	            return this.preventSrc(srcEvent);
	        }
	    },

	    /**
	     * call preventDefault to prevent the browser's default behavior (scrolling in most cases)
	     * @param {Object} srcEvent
	     */
	    preventSrc: function(srcEvent) {
	        this.manager.session.prevented = true;
	        srcEvent.preventDefault();
	    }
	};

	/**
	 * when the touchActions are collected they are not a valid value, so we need to clean things up. *
	 * @param {String} actions
	 * @returns {*}
	 */
	function cleanTouchActions(actions) {
	    // none
	    if (inStr(actions, TOUCH_ACTION_NONE)) {
	        return TOUCH_ACTION_NONE;
	    }

	    var hasPanX = inStr(actions, TOUCH_ACTION_PAN_X);
	    var hasPanY = inStr(actions, TOUCH_ACTION_PAN_Y);

	    // if both pan-x and pan-y are set (different recognizers
	    // for different directions, e.g. horizontal pan but vertical swipe?)
	    // we need none (as otherwise with pan-x pan-y combined none of these
	    // recognizers will work, since the browser would handle all panning
	    if (hasPanX && hasPanY) {
	        return TOUCH_ACTION_NONE;
	    }

	    // pan-x OR pan-y
	    if (hasPanX || hasPanY) {
	        return hasPanX ? TOUCH_ACTION_PAN_X : TOUCH_ACTION_PAN_Y;
	    }

	    // manipulation
	    if (inStr(actions, TOUCH_ACTION_MANIPULATION)) {
	        return TOUCH_ACTION_MANIPULATION;
	    }

	    return TOUCH_ACTION_AUTO;
	}

	/**
	 * Recognizer flow explained; *
	 * All recognizers have the initial state of POSSIBLE when a input session starts.
	 * The definition of a input session is from the first input until the last input, with all it's movement in it. *
	 * Example session for mouse-input: mousedown -> mousemove -> mouseup
	 *
	 * On each recognizing cycle (see Manager.recognize) the .recognize() method is executed
	 * which determines with state it should be.
	 *
	 * If the recognizer has the state FAILED, CANCELLED or RECOGNIZED (equals ENDED), it is reset to
	 * POSSIBLE to give it another change on the next cycle.
	 *
	 *               Possible
	 *                  |
	 *            +-----+---------------+
	 *            |                     |
	 *      +-----+-----+               |
	 *      |           |               |
	 *   Failed      Cancelled          |
	 *                          +-------+------+
	 *                          |              |
	 *                      Recognized       Began
	 *                                         |
	 *                                      Changed
	 *                                         |
	 *                                  Ended/Recognized
	 */
	var STATE_POSSIBLE = 1;
	var STATE_BEGAN = 2;
	var STATE_CHANGED = 4;
	var STATE_ENDED = 8;
	var STATE_RECOGNIZED = STATE_ENDED;
	var STATE_CANCELLED = 16;
	var STATE_FAILED = 32;

	/**
	 * Recognizer
	 * Every recognizer needs to extend from this class.
	 * @constructor
	 * @param {Object} options
	 */
	function Recognizer(options) {
	    this.options = assign({}, this.defaults, options || {});

	    this.id = uniqueId();

	    this.manager = null;

	    // default is enable true
	    this.options.enable = ifUndefined(this.options.enable, true);

	    this.state = STATE_POSSIBLE;

	    this.simultaneous = {};
	    this.requireFail = [];
	}

	Recognizer.prototype = {
	    /**
	     * @virtual
	     * @type {Object}
	     */
	    defaults: {},

	    /**
	     * set options
	     * @param {Object} options
	     * @return {Recognizer}
	     */
	    set: function(options) {
	        assign(this.options, options);

	        // also update the touchAction, in case something changed about the directions/enabled state
	        this.manager && this.manager.touchAction.update();
	        return this;
	    },

	    /**
	     * recognize simultaneous with an other recognizer.
	     * @param {Recognizer} otherRecognizer
	     * @returns {Recognizer} this
	     */
	    recognizeWith: function(otherRecognizer) {
	        if (invokeArrayArg(otherRecognizer, 'recognizeWith', this)) {
	            return this;
	        }

	        var simultaneous = this.simultaneous;
	        otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);
	        if (!simultaneous[otherRecognizer.id]) {
	            simultaneous[otherRecognizer.id] = otherRecognizer;
	            otherRecognizer.recognizeWith(this);
	        }
	        return this;
	    },

	    /**
	     * drop the simultaneous link. it doesnt remove the link on the other recognizer.
	     * @param {Recognizer} otherRecognizer
	     * @returns {Recognizer} this
	     */
	    dropRecognizeWith: function(otherRecognizer) {
	        if (invokeArrayArg(otherRecognizer, 'dropRecognizeWith', this)) {
	            return this;
	        }

	        otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);
	        delete this.simultaneous[otherRecognizer.id];
	        return this;
	    },

	    /**
	     * recognizer can only run when an other is failing
	     * @param {Recognizer} otherRecognizer
	     * @returns {Recognizer} this
	     */
	    requireFailure: function(otherRecognizer) {
	        if (invokeArrayArg(otherRecognizer, 'requireFailure', this)) {
	            return this;
	        }

	        var requireFail = this.requireFail;
	        otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);
	        if (inArray(requireFail, otherRecognizer) === -1) {
	            requireFail.push(otherRecognizer);
	            otherRecognizer.requireFailure(this);
	        }
	        return this;
	    },

	    /**
	     * drop the requireFailure link. it does not remove the link on the other recognizer.
	     * @param {Recognizer} otherRecognizer
	     * @returns {Recognizer} this
	     */
	    dropRequireFailure: function(otherRecognizer) {
	        if (invokeArrayArg(otherRecognizer, 'dropRequireFailure', this)) {
	            return this;
	        }

	        otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);
	        var index = inArray(this.requireFail, otherRecognizer);
	        if (index > -1) {
	            this.requireFail.splice(index, 1);
	        }
	        return this;
	    },

	    /**
	     * has require failures boolean
	     * @returns {boolean}
	     */
	    hasRequireFailures: function() {
	        return this.requireFail.length > 0;
	    },

	    /**
	     * if the recognizer can recognize simultaneous with an other recognizer
	     * @param {Recognizer} otherRecognizer
	     * @returns {Boolean}
	     */
	    canRecognizeWith: function(otherRecognizer) {
	        return !!this.simultaneous[otherRecognizer.id];
	    },

	    /**
	     * You should use `tryEmit` instead of `emit` directly to check
	     * that all the needed recognizers has failed before emitting.
	     * @param {Object} input
	     */
	    emit: function(input) {
	        var self = this;
	        var state = this.state;

	        function emit(event) {
	            self.manager.emit(event, input);
	        }

	        // 'panstart' and 'panmove'
	        if (state < STATE_ENDED) {
	            emit(self.options.event + stateStr(state));
	        }

	        emit(self.options.event); // simple 'eventName' events

	        if (input.additionalEvent) { // additional event(panleft, panright, pinchin, pinchout...)
	            emit(input.additionalEvent);
	        }

	        // panend and pancancel
	        if (state >= STATE_ENDED) {
	            emit(self.options.event + stateStr(state));
	        }
	    },

	    /**
	     * Check that all the require failure recognizers has failed,
	     * if true, it emits a gesture event,
	     * otherwise, setup the state to FAILED.
	     * @param {Object} input
	     */
	    tryEmit: function(input) {
	        if (this.canEmit()) {
	            return this.emit(input);
	        }
	        // it's failing anyway
	        this.state = STATE_FAILED;
	    },

	    /**
	     * can we emit?
	     * @returns {boolean}
	     */
	    canEmit: function() {
	        var i = 0;
	        while (i < this.requireFail.length) {
	            if (!(this.requireFail[i].state & (STATE_FAILED | STATE_POSSIBLE))) {
	                return false;
	            }
	            i++;
	        }
	        return true;
	    },

	    /**
	     * update the recognizer
	     * @param {Object} inputData
	     */
	    recognize: function(inputData) {
	        // make a new copy of the inputData
	        // so we can change the inputData without messing up the other recognizers
	        var inputDataClone = assign({}, inputData);

	        // is is enabled and allow recognizing?
	        if (!boolOrFn(this.options.enable, [this, inputDataClone])) {
	            this.reset();
	            this.state = STATE_FAILED;
	            return;
	        }

	        // reset when we've reached the end
	        if (this.state & (STATE_RECOGNIZED | STATE_CANCELLED | STATE_FAILED)) {
	            this.state = STATE_POSSIBLE;
	        }

	        this.state = this.process(inputDataClone);

	        // the recognizer has recognized a gesture
	        // so trigger an event
	        if (this.state & (STATE_BEGAN | STATE_CHANGED | STATE_ENDED | STATE_CANCELLED)) {
	            this.tryEmit(inputDataClone);
	        }
	    },

	    /**
	     * return the state of the recognizer
	     * the actual recognizing happens in this method
	     * @virtual
	     * @param {Object} inputData
	     * @returns {Const} STATE
	     */
	    process: function(inputData) { }, // jshint ignore:line

	    /**
	     * return the preferred touch-action
	     * @virtual
	     * @returns {Array}
	     */
	    getTouchAction: function() { },

	    /**
	     * called when the gesture isn't allowed to recognize
	     * like when another is being recognized or it is disabled
	     * @virtual
	     */
	    reset: function() { }
	};

	/**
	 * get a usable string, used as event postfix
	 * @param {Const} state
	 * @returns {String} state
	 */
	function stateStr(state) {
	    if (state & STATE_CANCELLED) {
	        return 'cancel';
	    } else if (state & STATE_ENDED) {
	        return 'end';
	    } else if (state & STATE_CHANGED) {
	        return 'move';
	    } else if (state & STATE_BEGAN) {
	        return 'start';
	    }
	    return '';
	}

	/**
	 * direction cons to string
	 * @param {Const} direction
	 * @returns {String}
	 */
	function directionStr(direction) {
	    if (direction == DIRECTION_DOWN) {
	        return 'down';
	    } else if (direction == DIRECTION_UP) {
	        return 'up';
	    } else if (direction == DIRECTION_LEFT) {
	        return 'left';
	    } else if (direction == DIRECTION_RIGHT) {
	        return 'right';
	    }
	    return '';
	}

	/**
	 * get a recognizer by name if it is bound to a manager
	 * @param {Recognizer|String} otherRecognizer
	 * @param {Recognizer} recognizer
	 * @returns {Recognizer}
	 */
	function getRecognizerByNameIfManager(otherRecognizer, recognizer) {
	    var manager = recognizer.manager;
	    if (manager) {
	        return manager.get(otherRecognizer);
	    }
	    return otherRecognizer;
	}

	/**
	 * This recognizer is just used as a base for the simple attribute recognizers.
	 * @constructor
	 * @extends Recognizer
	 */
	function AttrRecognizer() {
	    Recognizer.apply(this, arguments);
	}

	inherit(AttrRecognizer, Recognizer, {
	    /**
	     * @namespace
	     * @memberof AttrRecognizer
	     */
	    defaults: {
	        /**
	         * @type {Number}
	         * @default 1
	         */
	        pointers: 1
	    },

	    /**
	     * Used to check if it the recognizer receives valid input, like input.distance > 10.
	     * @memberof AttrRecognizer
	     * @param {Object} input
	     * @returns {Boolean} recognized
	     */
	    attrTest: function(input) {
	        var optionPointers = this.options.pointers;
	        return optionPointers === 0 || input.pointers.length === optionPointers;
	    },

	    /**
	     * Process the input and return the state for the recognizer
	     * @memberof AttrRecognizer
	     * @param {Object} input
	     * @returns {*} State
	     */
	    process: function(input) {
	        var state = this.state;
	        var eventType = input.eventType;

	        var isRecognized = state & (STATE_BEGAN | STATE_CHANGED);
	        var isValid = this.attrTest(input);

	        // on cancel input and we've recognized before, return STATE_CANCELLED
	        if (isRecognized && (eventType & INPUT_CANCEL || !isValid)) {
	            return state | STATE_CANCELLED;
	        } else if (isRecognized || isValid) {
	            if (eventType & INPUT_END) {
	                return state | STATE_ENDED;
	            } else if (!(state & STATE_BEGAN)) {
	                return STATE_BEGAN;
	            }
	            return state | STATE_CHANGED;
	        }
	        return STATE_FAILED;
	    }
	});

	/**
	 * Pan
	 * Recognized when the pointer is down and moved in the allowed direction.
	 * @constructor
	 * @extends AttrRecognizer
	 */
	function PanRecognizer() {
	    AttrRecognizer.apply(this, arguments);

	    this.pX = null;
	    this.pY = null;
	}

	inherit(PanRecognizer, AttrRecognizer, {
	    /**
	     * @namespace
	     * @memberof PanRecognizer
	     */
	    defaults: {
	        event: 'pan',
	        threshold: 10,
	        pointers: 1,
	        direction: DIRECTION_ALL
	    },

	    getTouchAction: function() {
	        var direction = this.options.direction;
	        var actions = [];
	        if (direction & DIRECTION_HORIZONTAL) {
	            actions.push(TOUCH_ACTION_PAN_Y);
	        }
	        if (direction & DIRECTION_VERTICAL) {
	            actions.push(TOUCH_ACTION_PAN_X);
	        }
	        return actions;
	    },

	    directionTest: function(input) {
	        var options = this.options;
	        var hasMoved = true;
	        var distance = input.distance;
	        var direction = input.direction;
	        var x = input.deltaX;
	        var y = input.deltaY;

	        // lock to axis?
	        if (!(direction & options.direction)) {
	            if (options.direction & DIRECTION_HORIZONTAL) {
	                direction = (x === 0) ? DIRECTION_NONE : (x < 0) ? DIRECTION_LEFT : DIRECTION_RIGHT;
	                hasMoved = x != this.pX;
	                distance = Math.abs(input.deltaX);
	            } else {
	                direction = (y === 0) ? DIRECTION_NONE : (y < 0) ? DIRECTION_UP : DIRECTION_DOWN;
	                hasMoved = y != this.pY;
	                distance = Math.abs(input.deltaY);
	            }
	        }
	        input.direction = direction;
	        return hasMoved && distance > options.threshold && direction & options.direction;
	    },

	    attrTest: function(input) {
	        return AttrRecognizer.prototype.attrTest.call(this, input) &&
	            (this.state & STATE_BEGAN || (!(this.state & STATE_BEGAN) && this.directionTest(input)));
	    },

	    emit: function(input) {

	        this.pX = input.deltaX;
	        this.pY = input.deltaY;

	        var direction = directionStr(input.direction);

	        if (direction) {
	            input.additionalEvent = this.options.event + direction;
	        }
	        this._super.emit.call(this, input);
	    }
	});

	/**
	 * Pinch
	 * Recognized when two or more pointers are moving toward (zoom-in) or away from each other (zoom-out).
	 * @constructor
	 * @extends AttrRecognizer
	 */
	function PinchRecognizer() {
	    AttrRecognizer.apply(this, arguments);
	}

	inherit(PinchRecognizer, AttrRecognizer, {
	    /**
	     * @namespace
	     * @memberof PinchRecognizer
	     */
	    defaults: {
	        event: 'pinch',
	        threshold: 0,
	        pointers: 2
	    },

	    getTouchAction: function() {
	        return [TOUCH_ACTION_NONE];
	    },

	    attrTest: function(input) {
	        return this._super.attrTest.call(this, input) &&
	            (Math.abs(input.scale - 1) > this.options.threshold || this.state & STATE_BEGAN);
	    },

	    emit: function(input) {
	        if (input.scale !== 1) {
	            var inOut = input.scale < 1 ? 'in' : 'out';
	            input.additionalEvent = this.options.event + inOut;
	        }
	        this._super.emit.call(this, input);
	    }
	});

	/**
	 * Press
	 * Recognized when the pointer is down for x ms without any movement.
	 * @constructor
	 * @extends Recognizer
	 */
	function PressRecognizer() {
	    Recognizer.apply(this, arguments);

	    this._timer = null;
	    this._input = null;
	}

	inherit(PressRecognizer, Recognizer, {
	    /**
	     * @namespace
	     * @memberof PressRecognizer
	     */
	    defaults: {
	        event: 'press',
	        pointers: 1,
	        time: 251, // minimal time of the pointer to be pressed
	        threshold: 9 // a minimal movement is ok, but keep it low
	    },

	    getTouchAction: function() {
	        return [TOUCH_ACTION_AUTO];
	    },

	    process: function(input) {
	        var options = this.options;
	        var validPointers = input.pointers.length === options.pointers;
	        var validMovement = input.distance < options.threshold;
	        var validTime = input.deltaTime > options.time;

	        this._input = input;

	        // we only allow little movement
	        // and we've reached an end event, so a tap is possible
	        if (!validMovement || !validPointers || (input.eventType & (INPUT_END | INPUT_CANCEL) && !validTime)) {
	            this.reset();
	        } else if (input.eventType & INPUT_START) {
	            this.reset();
	            this._timer = setTimeoutContext(function() {
	                this.state = STATE_RECOGNIZED;
	                this.tryEmit();
	            }, options.time, this);
	        } else if (input.eventType & INPUT_END) {
	            return STATE_RECOGNIZED;
	        }
	        return STATE_FAILED;
	    },

	    reset: function() {
	        clearTimeout(this._timer);
	    },

	    emit: function(input) {
	        if (this.state !== STATE_RECOGNIZED) {
	            return;
	        }

	        if (input && (input.eventType & INPUT_END)) {
	            this.manager.emit(this.options.event + 'up', input);
	        } else {
	            this._input.timeStamp = now();
	            this.manager.emit(this.options.event, this._input);
	        }
	    }
	});

	/**
	 * Rotate
	 * Recognized when two or more pointer are moving in a circular motion.
	 * @constructor
	 * @extends AttrRecognizer
	 */
	function RotateRecognizer() {
	    AttrRecognizer.apply(this, arguments);
	}

	inherit(RotateRecognizer, AttrRecognizer, {
	    /**
	     * @namespace
	     * @memberof RotateRecognizer
	     */
	    defaults: {
	        event: 'rotate',
	        threshold: 0,
	        pointers: 2
	    },

	    getTouchAction: function() {
	        return [TOUCH_ACTION_NONE];
	    },

	    attrTest: function(input) {
	        return this._super.attrTest.call(this, input) &&
	            (Math.abs(input.rotation) > this.options.threshold || this.state & STATE_BEGAN);
	    }
	});

	/**
	 * Swipe
	 * Recognized when the pointer is moving fast (velocity), with enough distance in the allowed direction.
	 * @constructor
	 * @extends AttrRecognizer
	 */
	function SwipeRecognizer() {
	    AttrRecognizer.apply(this, arguments);
	}

	inherit(SwipeRecognizer, AttrRecognizer, {
	    /**
	     * @namespace
	     * @memberof SwipeRecognizer
	     */
	    defaults: {
	        event: 'swipe',
	        threshold: 10,
	        velocity: 0.3,
	        direction: DIRECTION_HORIZONTAL | DIRECTION_VERTICAL,
	        pointers: 1
	    },

	    getTouchAction: function() {
	        return PanRecognizer.prototype.getTouchAction.call(this);
	    },

	    attrTest: function(input) {
	        var direction = this.options.direction;
	        var velocity;

	        if (direction & (DIRECTION_HORIZONTAL | DIRECTION_VERTICAL)) {
	            velocity = input.overallVelocity;
	        } else if (direction & DIRECTION_HORIZONTAL) {
	            velocity = input.overallVelocityX;
	        } else if (direction & DIRECTION_VERTICAL) {
	            velocity = input.overallVelocityY;
	        }

	        return this._super.attrTest.call(this, input) &&
	            direction & input.offsetDirection &&
	            input.distance > this.options.threshold &&
	            input.maxPointers == this.options.pointers &&
	            abs(velocity) > this.options.velocity && input.eventType & INPUT_END;
	    },

	    emit: function(input) {
	        var direction = directionStr(input.offsetDirection);
	        if (direction) {
	            this.manager.emit(this.options.event + direction, input);
	        }

	        this.manager.emit(this.options.event, input);
	    }
	});

	/**
	 * A tap is ecognized when the pointer is doing a small tap/click. Multiple taps are recognized if they occur
	 * between the given interval and position. The delay option can be used to recognize multi-taps without firing
	 * a single tap.
	 *
	 * The eventData from the emitted event contains the property `tapCount`, which contains the amount of
	 * multi-taps being recognized.
	 * @constructor
	 * @extends Recognizer
	 */
	function TapRecognizer() {
	    Recognizer.apply(this, arguments);

	    // previous time and center,
	    // used for tap counting
	    this.pTime = false;
	    this.pCenter = false;

	    this._timer = null;
	    this._input = null;
	    this.count = 0;
	}

	inherit(TapRecognizer, Recognizer, {
	    /**
	     * @namespace
	     * @memberof PinchRecognizer
	     */
	    defaults: {
	        event: 'tap',
	        pointers: 1,
	        taps: 1,
	        interval: 300, // max time between the multi-tap taps
	        time: 250, // max time of the pointer to be down (like finger on the screen)
	        threshold: 9, // a minimal movement is ok, but keep it low
	        posThreshold: 10 // a multi-tap can be a bit off the initial position
	    },

	    getTouchAction: function() {
	        return [TOUCH_ACTION_MANIPULATION];
	    },

	    process: function(input) {
	        var options = this.options;

	        var validPointers = input.pointers.length === options.pointers;
	        var validMovement = input.distance < options.threshold;
	        var validTouchTime = input.deltaTime < options.time;

	        this.reset();

	        if ((input.eventType & INPUT_START) && (this.count === 0)) {
	            return this.failTimeout();
	        }

	        // we only allow little movement
	        // and we've reached an end event, so a tap is possible
	        if (validMovement && validTouchTime && validPointers) {
	            if (input.eventType != INPUT_END) {
	                return this.failTimeout();
	            }

	            var validInterval = this.pTime ? (input.timeStamp - this.pTime < options.interval) : true;
	            var validMultiTap = !this.pCenter || getDistance(this.pCenter, input.center) < options.posThreshold;

	            this.pTime = input.timeStamp;
	            this.pCenter = input.center;

	            if (!validMultiTap || !validInterval) {
	                this.count = 1;
	            } else {
	                this.count += 1;
	            }

	            this._input = input;

	            // if tap count matches we have recognized it,
	            // else it has began recognizing...
	            var tapCount = this.count % options.taps;
	            if (tapCount === 0) {
	                // no failing requirements, immediately trigger the tap event
	                // or wait as long as the multitap interval to trigger
	                if (!this.hasRequireFailures()) {
	                    return STATE_RECOGNIZED;
	                } else {
	                    this._timer = setTimeoutContext(function() {
	                        this.state = STATE_RECOGNIZED;
	                        this.tryEmit();
	                    }, options.interval, this);
	                    return STATE_BEGAN;
	                }
	            }
	        }
	        return STATE_FAILED;
	    },

	    failTimeout: function() {
	        this._timer = setTimeoutContext(function() {
	            this.state = STATE_FAILED;
	        }, this.options.interval, this);
	        return STATE_FAILED;
	    },

	    reset: function() {
	        clearTimeout(this._timer);
	    },

	    emit: function() {
	        if (this.state == STATE_RECOGNIZED) {
	            this._input.tapCount = this.count;
	            this.manager.emit(this.options.event, this._input);
	        }
	    }
	});

	/**
	 * Simple way to create a manager with a default set of recognizers.
	 * @param {HTMLElement} element
	 * @param {Object} [options]
	 * @constructor
	 */
	function Hammer(element, options) {
	    options = options || {};
	    options.recognizers = ifUndefined(options.recognizers, Hammer.defaults.preset);
	    return new Manager(element, options);
	}

	/**
	 * @const {string}
	 */
	Hammer.VERSION = '2.0.6';

	/**
	 * default settings
	 * @namespace
	 */
	Hammer.defaults = {
	    /**
	     * set if DOM events are being triggered.
	     * But this is slower and unused by simple implementations, so disabled by default.
	     * @type {Boolean}
	     * @default false
	     */
	    domEvents: false,

	    /**
	     * The value for the touchAction property/fallback.
	     * When set to `compute` it will magically set the correct value based on the added recognizers.
	     * @type {String}
	     * @default compute
	     */
	    touchAction: TOUCH_ACTION_COMPUTE,

	    /**
	     * @type {Boolean}
	     * @default true
	     */
	    enable: true,

	    /**
	     * EXPERIMENTAL FEATURE -- can be removed/changed
	     * Change the parent input target element.
	     * If Null, then it is being set the to main element.
	     * @type {Null|EventTarget}
	     * @default null
	     */
	    inputTarget: null,

	    /**
	     * force an input class
	     * @type {Null|Function}
	     * @default null
	     */
	    inputClass: null,

	    /**
	     * Default recognizer setup when calling `Hammer()`
	     * When creating a new Manager these will be skipped.
	     * @type {Array}
	     */
	    preset: [
	        // RecognizerClass, options, [recognizeWith, ...], [requireFailure, ...]
	        [RotateRecognizer, {enable: false}],
	        [PinchRecognizer, {enable: false}, ['rotate']],
	        [SwipeRecognizer, {direction: DIRECTION_HORIZONTAL}],
	        [PanRecognizer, {direction: DIRECTION_HORIZONTAL}, ['swipe']],
	        [TapRecognizer],
	        [TapRecognizer, {event: 'doubletap', taps: 2}, ['tap']],
	        [PressRecognizer]
	    ],

	    /**
	     * Some CSS properties can be used to improve the working of Hammer.
	     * Add them to this method and they will be set when creating a new Manager.
	     * @namespace
	     */
	    cssProps: {
	        /**
	         * Disables text selection to improve the dragging gesture. Mainly for desktop browsers.
	         * @type {String}
	         * @default 'none'
	         */
	        userSelect: 'none',

	        /**
	         * Disable the Windows Phone grippers when pressing an element.
	         * @type {String}
	         * @default 'none'
	         */
	        touchSelect: 'none',

	        /**
	         * Disables the default callout shown when you touch and hold a touch target.
	         * On iOS, when you touch and hold a touch target such as a link, Safari displays
	         * a callout containing information about the link. This property allows you to disable that callout.
	         * @type {String}
	         * @default 'none'
	         */
	        touchCallout: 'none',

	        /**
	         * Specifies whether zooming is enabled. Used by IE10>
	         * @type {String}
	         * @default 'none'
	         */
	        contentZooming: 'none',

	        /**
	         * Specifies that an entire element should be draggable instead of its contents. Mainly for desktop browsers.
	         * @type {String}
	         * @default 'none'
	         */
	        userDrag: 'none',

	        /**
	         * Overrides the highlight color shown when the user taps a link or a JavaScript
	         * clickable element in iOS. This property obeys the alpha value, if specified.
	         * @type {String}
	         * @default 'rgba(0,0,0,0)'
	         */
	        tapHighlightColor: 'rgba(0,0,0,0)'
	    }
	};

	var STOP = 1;
	var FORCED_STOP = 2;

	/**
	 * Manager
	 * @param {HTMLElement} element
	 * @param {Object} [options]
	 * @constructor
	 */
	function Manager(element, options) {
	    this.options = assign({}, Hammer.defaults, options || {});

	    this.options.inputTarget = this.options.inputTarget || element;

	    this.handlers = {};
	    this.session = {};
	    this.recognizers = [];

	    this.element = element;
	    this.input = createInputInstance(this);
	    this.touchAction = new TouchAction(this, this.options.touchAction);

	    toggleCssProps(this, true);

	    each(this.options.recognizers, function(item) {
	        var recognizer = this.add(new (item[0])(item[1]));
	        item[2] && recognizer.recognizeWith(item[2]);
	        item[3] && recognizer.requireFailure(item[3]);
	    }, this);
	}

	Manager.prototype = {
	    /**
	     * set options
	     * @param {Object} options
	     * @returns {Manager}
	     */
	    set: function(options) {
	        assign(this.options, options);

	        // Options that need a little more setup
	        if (options.touchAction) {
	            this.touchAction.update();
	        }
	        if (options.inputTarget) {
	            // Clean up existing event listeners and reinitialize
	            this.input.destroy();
	            this.input.target = options.inputTarget;
	            this.input.init();
	        }
	        return this;
	    },

	    /**
	     * stop recognizing for this session.
	     * This session will be discarded, when a new [input]start event is fired.
	     * When forced, the recognizer cycle is stopped immediately.
	     * @param {Boolean} [force]
	     */
	    stop: function(force) {
	        this.session.stopped = force ? FORCED_STOP : STOP;
	    },

	    /**
	     * run the recognizers!
	     * called by the inputHandler function on every movement of the pointers (touches)
	     * it walks through all the recognizers and tries to detect the gesture that is being made
	     * @param {Object} inputData
	     */
	    recognize: function(inputData) {
	        var session = this.session;
	        if (session.stopped) {
	            return;
	        }

	        // run the touch-action polyfill
	        this.touchAction.preventDefaults(inputData);

	        var recognizer;
	        var recognizers = this.recognizers;

	        // this holds the recognizer that is being recognized.
	        // so the recognizer's state needs to be BEGAN, CHANGED, ENDED or RECOGNIZED
	        // if no recognizer is detecting a thing, it is set to `null`
	        var curRecognizer = session.curRecognizer;

	        // reset when the last recognizer is recognized
	        // or when we're in a new session
	        if (!curRecognizer || (curRecognizer && curRecognizer.state & STATE_RECOGNIZED)) {
	            curRecognizer = session.curRecognizer = null;
	        }

	        var i = 0;
	        while (i < recognizers.length) {
	            recognizer = recognizers[i];

	            // find out if we are allowed try to recognize the input for this one.
	            // 1.   allow if the session is NOT forced stopped (see the .stop() method)
	            // 2.   allow if we still haven't recognized a gesture in this session, or the this recognizer is the one
	            //      that is being recognized.
	            // 3.   allow if the recognizer is allowed to run simultaneous with the current recognized recognizer.
	            //      this can be setup with the `recognizeWith()` method on the recognizer.
	            if (session.stopped !== FORCED_STOP && ( // 1
	                    !curRecognizer || recognizer == curRecognizer || // 2
	                    recognizer.canRecognizeWith(curRecognizer))) { // 3
	                recognizer.recognize(inputData);
	            } else {
	                recognizer.reset();
	            }

	            // if the recognizer has been recognizing the input as a valid gesture, we want to store this one as the
	            // current active recognizer. but only if we don't already have an active recognizer
	            if (!curRecognizer && recognizer.state & (STATE_BEGAN | STATE_CHANGED | STATE_ENDED)) {
	                curRecognizer = session.curRecognizer = recognizer;
	            }
	            i++;
	        }
	    },

	    /**
	     * get a recognizer by its event name.
	     * @param {Recognizer|String} recognizer
	     * @returns {Recognizer|Null}
	     */
	    get: function(recognizer) {
	        if (recognizer instanceof Recognizer) {
	            return recognizer;
	        }

	        var recognizers = this.recognizers;
	        for (var i = 0; i < recognizers.length; i++) {
	            if (recognizers[i].options.event == recognizer) {
	                return recognizers[i];
	            }
	        }
	        return null;
	    },

	    /**
	     * add a recognizer to the manager
	     * existing recognizers with the same event name will be removed
	     * @param {Recognizer} recognizer
	     * @returns {Recognizer|Manager}
	     */
	    add: function(recognizer) {
	        if (invokeArrayArg(recognizer, 'add', this)) {
	            return this;
	        }

	        // remove existing
	        var existing = this.get(recognizer.options.event);
	        if (existing) {
	            this.remove(existing);
	        }

	        this.recognizers.push(recognizer);
	        recognizer.manager = this;

	        this.touchAction.update();
	        return recognizer;
	    },

	    /**
	     * remove a recognizer by name or instance
	     * @param {Recognizer|String} recognizer
	     * @returns {Manager}
	     */
	    remove: function(recognizer) {
	        if (invokeArrayArg(recognizer, 'remove', this)) {
	            return this;
	        }

	        recognizer = this.get(recognizer);

	        // let's make sure this recognizer exists
	        if (recognizer) {
	            var recognizers = this.recognizers;
	            var index = inArray(recognizers, recognizer);

	            if (index !== -1) {
	                recognizers.splice(index, 1);
	                this.touchAction.update();
	            }
	        }

	        return this;
	    },

	    /**
	     * bind event
	     * @param {String} events
	     * @param {Function} handler
	     * @returns {EventEmitter} this
	     */
	    on: function(events, handler) {
	        var handlers = this.handlers;
	        each(splitStr(events), function(event) {
	            handlers[event] = handlers[event] || [];
	            handlers[event].push(handler);
	        });
	        return this;
	    },

	    /**
	     * unbind event, leave emit blank to remove all handlers
	     * @param {String} events
	     * @param {Function} [handler]
	     * @returns {EventEmitter} this
	     */
	    off: function(events, handler) {
	        var handlers = this.handlers;
	        each(splitStr(events), function(event) {
	            if (!handler) {
	                delete handlers[event];
	            } else {
	                handlers[event] && handlers[event].splice(inArray(handlers[event], handler), 1);
	            }
	        });
	        return this;
	    },

	    /**
	     * emit event to the listeners
	     * @param {String} event
	     * @param {Object} data
	     */
	    emit: function(event, data) {
	        // we also want to trigger dom events
	        if (this.options.domEvents) {
	            triggerDomEvent(event, data);
	        }

	        // no handlers, so skip it all
	        var handlers = this.handlers[event] && this.handlers[event].slice();
	        if (!handlers || !handlers.length) {
	            return;
	        }

	        data.type = event;
	        data.preventDefault = function() {
	            data.srcEvent.preventDefault();
	        };

	        var i = 0;
	        while (i < handlers.length) {
	            handlers[i](data);
	            i++;
	        }
	    },

	    /**
	     * destroy the manager and unbinds all events
	     * it doesn't unbind dom events, that is the user own responsibility
	     */
	    destroy: function() {
	        this.element && toggleCssProps(this, false);

	        this.handlers = {};
	        this.session = {};
	        this.input.destroy();
	        this.element = null;
	    }
	};

	/**
	 * add/remove the css properties as defined in manager.options.cssProps
	 * @param {Manager} manager
	 * @param {Boolean} add
	 */
	function toggleCssProps(manager, add) {
	    var element = manager.element;
	    if (!element.style) {
	        return;
	    }
	    each(manager.options.cssProps, function(value, name) {
	        element.style[prefixed(element.style, name)] = add ? value : '';
	    });
	}

	/**
	 * trigger dom event
	 * @param {String} event
	 * @param {Object} data
	 */
	function triggerDomEvent(event, data) {
	    var gestureEvent = document.createEvent('Event');
	    gestureEvent.initEvent(event, true, true);
	    gestureEvent.gesture = data;
	    data.target.dispatchEvent(gestureEvent);
	}

	assign(Hammer, {
	    INPUT_START: INPUT_START,
	    INPUT_MOVE: INPUT_MOVE,
	    INPUT_END: INPUT_END,
	    INPUT_CANCEL: INPUT_CANCEL,

	    STATE_POSSIBLE: STATE_POSSIBLE,
	    STATE_BEGAN: STATE_BEGAN,
	    STATE_CHANGED: STATE_CHANGED,
	    STATE_ENDED: STATE_ENDED,
	    STATE_RECOGNIZED: STATE_RECOGNIZED,
	    STATE_CANCELLED: STATE_CANCELLED,
	    STATE_FAILED: STATE_FAILED,

	    DIRECTION_NONE: DIRECTION_NONE,
	    DIRECTION_LEFT: DIRECTION_LEFT,
	    DIRECTION_RIGHT: DIRECTION_RIGHT,
	    DIRECTION_UP: DIRECTION_UP,
	    DIRECTION_DOWN: DIRECTION_DOWN,
	    DIRECTION_HORIZONTAL: DIRECTION_HORIZONTAL,
	    DIRECTION_VERTICAL: DIRECTION_VERTICAL,
	    DIRECTION_ALL: DIRECTION_ALL,

	    Manager: Manager,
	    Input: Input,
	    TouchAction: TouchAction,

	    TouchInput: TouchInput,
	    MouseInput: MouseInput,
	    PointerEventInput: PointerEventInput,
	    TouchMouseInput: TouchMouseInput,
	    SingleTouchInput: SingleTouchInput,

	    Recognizer: Recognizer,
	    AttrRecognizer: AttrRecognizer,
	    Tap: TapRecognizer,
	    Pan: PanRecognizer,
	    Swipe: SwipeRecognizer,
	    Pinch: PinchRecognizer,
	    Rotate: RotateRecognizer,
	    Press: PressRecognizer,

	    on: addEventListeners,
	    off: removeEventListeners,
	    each: each,
	    merge: merge,
	    extend: extend,
	    assign: assign,
	    inherit: inherit,
	    bindFn: bindFn,
	    prefixed: prefixed
	});

	// this prevents errors when Hammer is loaded in the presence of an AMD
	//  style loader but by script tag, not by the loader.
	var freeGlobal = (typeof window !== 'undefined' ? window : (typeof self !== 'undefined' ? self : {})); // jshint ignore:line
	freeGlobal.Hammer = Hammer;

	if (true) {
	    !(__WEBPACK_AMD_DEFINE_RESULT__ = function() {
	        return Hammer;
	    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
	} else if (typeof module != 'undefined' && module.exports) {
	    module.exports = Hammer;
	} else {
	    window[exportName] = Hammer;
	}

	})(window, document, 'Hammer');

/***/ },
/* 8 */
/***/ function(module, exports, __webpack_require__) {

	__webpack_require__(9)
	module.exports = __webpack_require__(13)
	module.exports.template = __webpack_require__(19)

/***/ },
/* 9 */
/***/ function(module, exports, __webpack_require__) {

	// style-loader: Adds some css to the DOM by adding a <style> tag

	// load the styles
	var content = __webpack_require__(10);
	if(typeof content === 'string') content = [[module.id, content, '']];
	// add the styles to the DOM
	var update = __webpack_require__(12)(content, {});
	if(content.locals) module.exports = content.locals;
	// Hot Module Replacement
	if(false) {
		// When the styles change, update the <style> tags
		if(!content.locals) {
			module.hot.accept("!!./../../node_modules/css-loader/index.js!./../../node_modules/vue-loader/lib/selector.js?type=style&index=0!./home.vue", function() {
				var newContent = require("!!./../../node_modules/css-loader/index.js!./../../node_modules/vue-loader/lib/selector.js?type=style&index=0!./home.vue");
				if(typeof newContent === 'string') newContent = [[module.id, newContent, '']];
				update(newContent);
			});
		}
		// When the module is disposed, remove the <style> tags
		module.hot.dispose(function() { update(); });
	}

/***/ },
/* 10 */
/***/ function(module, exports, __webpack_require__) {

	exports = module.exports = __webpack_require__(11)();
	// imports

	// module
	exports.push([module.id, "", ""]);

	// exports

/***/ },
/* 11 */
/***/ function(module, exports) {

	/*
		MIT License http://www.opensource.org/licenses/mit-license.php
		Author Tobias Koppers @sokra
	*/
	// css base code, injected by the css-loader
	module.exports = function() {
		var list = [];

		// return the list of modules as css string
		list.toString = function toString() {
			var result = [];
			for(var i = 0; i < this.length; i++) {
				var item = this[i];
				if(item[2]) {
					result.push("@media " + item[2] + "{" + item[1] + "}");
				} else {
					result.push(item[1]);
				}
			}
			return result.join("");
		};

		// import a list of modules into the list
		list.i = function(modules, mediaQuery) {
			if(typeof modules === "string")
				modules = [[null, modules, ""]];
			var alreadyImportedModules = {};
			for(var i = 0; i < this.length; i++) {
				var id = this[i][0];
				if(typeof id === "number")
					alreadyImportedModules[id] = true;
			}
			for(i = 0; i < modules.length; i++) {
				var item = modules[i];
				// skip already imported module
				// this implementation is not 100% perfect for weird media query combinations
				//  when a module is imported multiple times with different media queries.
				//  I hope this will never occur (Hey this way we have smaller bundles)
				if(typeof item[0] !== "number" || !alreadyImportedModules[item[0]]) {
					if(mediaQuery && !item[2]) {
						item[2] = mediaQuery;
					} else if(mediaQuery) {
						item[2] = "(" + item[2] + ") and (" + mediaQuery + ")";
					}
					list.push(item);
				}
			}
		};
		return list;
	};

/***/ },
/* 12 */
/***/ function(module, exports, __webpack_require__) {

	/*
		MIT License http://www.opensource.org/licenses/mit-license.php
		Author Tobias Koppers @sokra
	*/
	var stylesInDom = {},
		memoize = function(fn) {
			var memo;
			return function () {
				if (typeof memo === "undefined") memo = fn.apply(this, arguments);
				return memo;
			};
		},
		isOldIE = memoize(function() {
			return /msie [6-9]\b/.test(window.navigator.userAgent.toLowerCase());
		}),
		getHeadElement = memoize(function () {
			return document.head || document.getElementsByTagName("head")[0];
		}),
		singletonElement = null,
		singletonCounter = 0;

	module.exports = function(list, options) {
		if(false) {
			if(typeof document !== "object") throw new Error("The style-loader cannot be used in a non-browser environment");
		}

		options = options || {};
		// Force single-tag solution on IE6-9, which has a hard limit on the # of <style>
		// tags it will allow on a page
		if (typeof options.singleton === "undefined") options.singleton = isOldIE();

		var styles = listToStyles(list);
		addStylesToDom(styles, options);

		return function update(newList) {
			var mayRemove = [];
			for(var i = 0; i < styles.length; i++) {
				var item = styles[i];
				var domStyle = stylesInDom[item.id];
				domStyle.refs--;
				mayRemove.push(domStyle);
			}
			if(newList) {
				var newStyles = listToStyles(newList);
				addStylesToDom(newStyles, options);
			}
			for(var i = 0; i < mayRemove.length; i++) {
				var domStyle = mayRemove[i];
				if(domStyle.refs === 0) {
					for(var j = 0; j < domStyle.parts.length; j++)
						domStyle.parts[j]();
					delete stylesInDom[domStyle.id];
				}
			}
		};
	}

	function addStylesToDom(styles, options) {
		for(var i = 0; i < styles.length; i++) {
			var item = styles[i];
			var domStyle = stylesInDom[item.id];
			if(domStyle) {
				domStyle.refs++;
				for(var j = 0; j < domStyle.parts.length; j++) {
					domStyle.parts[j](item.parts[j]);
				}
				for(; j < item.parts.length; j++) {
					domStyle.parts.push(addStyle(item.parts[j], options));
				}
			} else {
				var parts = [];
				for(var j = 0; j < item.parts.length; j++) {
					parts.push(addStyle(item.parts[j], options));
				}
				stylesInDom[item.id] = {id: item.id, refs: 1, parts: parts};
			}
		}
	}

	function listToStyles(list) {
		var styles = [];
		var newStyles = {};
		for(var i = 0; i < list.length; i++) {
			var item = list[i];
			var id = item[0];
			var css = item[1];
			var media = item[2];
			var sourceMap = item[3];
			var part = {css: css, media: media, sourceMap: sourceMap};
			if(!newStyles[id])
				styles.push(newStyles[id] = {id: id, parts: [part]});
			else
				newStyles[id].parts.push(part);
		}
		return styles;
	}

	function createStyleElement() {
		var styleElement = document.createElement("style");
		var head = getHeadElement();
		styleElement.type = "text/css";
		head.appendChild(styleElement);
		return styleElement;
	}

	function createLinkElement() {
		var linkElement = document.createElement("link");
		var head = getHeadElement();
		linkElement.rel = "stylesheet";
		head.appendChild(linkElement);
		return linkElement;
	}

	function addStyle(obj, options) {
		var styleElement, update, remove;

		if (options.singleton) {
			var styleIndex = singletonCounter++;
			styleElement = singletonElement || (singletonElement = createStyleElement());
			update = applyToSingletonTag.bind(null, styleElement, styleIndex, false);
			remove = applyToSingletonTag.bind(null, styleElement, styleIndex, true);
		} else if(obj.sourceMap &&
			typeof URL === "function" &&
			typeof URL.createObjectURL === "function" &&
			typeof URL.revokeObjectURL === "function" &&
			typeof Blob === "function" &&
			typeof btoa === "function") {
			styleElement = createLinkElement();
			update = updateLink.bind(null, styleElement);
			remove = function() {
				styleElement.parentNode.removeChild(styleElement);
				if(styleElement.href)
					URL.revokeObjectURL(styleElement.href);
			};
		} else {
			styleElement = createStyleElement();
			update = applyToTag.bind(null, styleElement);
			remove = function() {
				styleElement.parentNode.removeChild(styleElement);
			};
		}

		update(obj);

		return function updateStyle(newObj) {
			if(newObj) {
				if(newObj.css === obj.css && newObj.media === obj.media && newObj.sourceMap === obj.sourceMap)
					return;
				update(obj = newObj);
			} else {
				remove();
			}
		};
	}

	var replaceText = (function () {
		var textStore = [];

		return function (index, replacement) {
			textStore[index] = replacement;
			return textStore.filter(Boolean).join('\n');
		};
	})();

	function applyToSingletonTag(styleElement, index, remove, obj) {
		var css = remove ? "" : obj.css;

		if (styleElement.styleSheet) {
			styleElement.styleSheet.cssText = replaceText(index, css);
		} else {
			var cssNode = document.createTextNode(css);
			var childNodes = styleElement.childNodes;
			if (childNodes[index]) styleElement.removeChild(childNodes[index]);
			if (childNodes.length) {
				styleElement.insertBefore(cssNode, childNodes[index]);
			} else {
				styleElement.appendChild(cssNode);
			}
		}
	}

	function applyToTag(styleElement, obj) {
		var css = obj.css;
		var media = obj.media;
		var sourceMap = obj.sourceMap;

		if(media) {
			styleElement.setAttribute("media", media)
		}

		if(styleElement.styleSheet) {
			styleElement.styleSheet.cssText = css;
		} else {
			while(styleElement.firstChild) {
				styleElement.removeChild(styleElement.firstChild);
			}
			styleElement.appendChild(document.createTextNode(css));
		}
	}

	function updateLink(linkElement, obj) {
		var css = obj.css;
		var media = obj.media;
		var sourceMap = obj.sourceMap;

		if(sourceMap) {
			// http://stackoverflow.com/a/26603875
			css += "\n/*# sourceMappingURL=data:application/json;base64," + btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))) + " */";
		}

		var blob = new Blob([css], { type: "text/css" });

		var oldSrc = linkElement.href;

		linkElement.href = URL.createObjectURL(blob);

		if(oldSrc)
			URL.revokeObjectURL(oldSrc);
	}

/***/ },
/* 13 */
/***/ function(module, exports, __webpack_require__) {

	var __WEBPACK_AMD_DEFINE_RESULT__;!(__WEBPACK_AMD_DEFINE_RESULT__ = function (require, exports, module) {
	        var Panel = __webpack_require__(14);
	        module.exports = {
	            data :function() {
	                return {
	                    isShowBottomBtn:false,
	                    isOpenPanel:false
	                }
	            },
	            ready:function(){
	            },
	            methods:{
	                openPanel:function(){
	                    this.isOpenPanel = true;
	                }
	            },
	            components:{
	                Panel:Panel
	            }
	        }
	    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));

/***/ },
/* 14 */
/***/ function(module, exports, __webpack_require__) {

	__webpack_require__(15)
	module.exports = __webpack_require__(17)
	module.exports.template = __webpack_require__(18)

/***/ },
/* 15 */
/***/ function(module, exports, __webpack_require__) {

	// style-loader: Adds some css to the DOM by adding a <style> tag

	// load the styles
	var content = __webpack_require__(16);
	if(typeof content === 'string') content = [[module.id, content, '']];
	// add the styles to the DOM
	var update = __webpack_require__(12)(content, {});
	if(content.locals) module.exports = content.locals;
	// Hot Module Replacement
	if(false) {
		// When the styles change, update the <style> tags
		if(!content.locals) {
			module.hot.accept("!!./../../node_modules/css-loader/index.js!./../../node_modules/vue-loader/lib/selector.js?type=style&index=0!./panel.vue", function() {
				var newContent = require("!!./../../node_modules/css-loader/index.js!./../../node_modules/vue-loader/lib/selector.js?type=style&index=0!./panel.vue");
				if(typeof newContent === 'string') newContent = [[module.id, newContent, '']];
				update(newContent);
			});
		}
		// When the module is disposed, remove the <style> tags
		module.hot.dispose(function() { update(); });
	}

/***/ },
/* 16 */
/***/ function(module, exports, __webpack_require__) {

	exports = module.exports = __webpack_require__(11)();
	// imports

	// module
	exports.push([module.id, "", ""]);

	// exports

/***/ },
/* 17 */
/***/ function(module, exports) {

	module.exports = {
	        data :function() {
	            return {
	            }
	        },
	        ready:function(){
	//            调试用
	        },
	        methods:{
	            back:function(){
	                this.$parent.isOpenPanel = false;
	            }
	        }
	    }

/***/ },
/* 18 */
/***/ function(module, exports) {

	module.exports = "<div class=\"center-block page-current\" transition=\"page\">\n            <div>面板内容</div>\n            <div>面板内容</div>\n            <div>面板内容</div>\n            <div>面板内容</div>\n            <div v-touch:tap=\"back\" style=\"background-color: #461006;color: #fff;font-weight: 600\">动作:返回</div>\n        </div>";

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

	module.exports = "<div class=\"center-block page\" v-bind:class=\"{'page-current':!isOpenPanel}\">\n            <div>首页内容</div>\n            <div>首页内容</div>\n            <div>首页内容</div>\n            <div>首页内容</div>\n            <div v-touch:tap=\"openPanel\" style=\"background-color: #003366;color: white;font-weight: 600\">动作:打开面板</div>\n        </div>\n        <panel v-if=\"isOpenPanel\"></panel>";

/***/ }
/******/ ]);
//# sourceMappingURL=transition.js.map