vue-material/dist/components/mdButtonToggle/index.debug.js

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		module.exports = factory();
	else if(typeof define === 'function' && define.amd)
		define([], factory);
	else if(typeof exports === 'object')
		exports["VueMaterial"] = factory();
	else
		root["VueMaterial"] = factory();
})(this, function() {
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/************************************************************************/
/******/ ({

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

	module.exports = __webpack_require__(31);


/***/ },

/***/ 6:
/***/ function(module, exports, __webpack_require__) {

	'use strict';
	
	Object.defineProperty(exports, "__esModule", {
	  value: true
	});
	
	var _vue = __webpack_require__(7);
	
	var _vue2 = _interopRequireDefault(_vue);
	
	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
	
	exports.default = {
	  props: {
	    mdTheme: String
	  },
	  data: function data() {
	    return {
	      closestThemedParent: false
	    };
	  },
	  methods: {
	    getClosestThemedParent: function getClosestThemedParent($parent) {
	      if (!$parent || !$parent.$el || $parent._uid === 0) {
	        return false;
	      }
	
	      if ($parent.mdTheme || $parent.mdName) {
	        return $parent;
	      }
	
	      return this.getClosestThemedParent($parent.$parent);
	    }
	  },
	  computed: {
	    themeClass: function themeClass() {
	      if (this.mdTheme) {
	        return 'md-theme-' + this.mdTheme;
	      }
	
	      var theme = this.closestThemedParent.mdTheme;
	
	      if (!theme) {
	        theme = this.closestThemedParent.mdName;
	      }
	
	      return 'md-theme-' + (theme || _vue2.default.material.currentTheme);
	    }
	  },
	  mounted: function mounted() {
	    this.closestThemedParent = this.getClosestThemedParent(this.$parent);
	
	    if (!_vue2.default.material.currentTheme) {
	      _vue2.default.material.setCurrentTheme('default');
	    }
	  }
	};
	module.exports = exports['default'];

/***/ },

/***/ 7:
/***/ function(module, exports, __webpack_require__) {

	/* WEBPACK VAR INJECTION */(function(process, global) {/*!
	 * Vue.js v2.1.6
	 * (c) 2014-2016 Evan You
	 * Released under the MIT License.
	 */
	'use strict';
	
	/*  */
	
	/**
	 * Convert a value to a string that is actually rendered.
	 */
	function _toString (val) {
	  return val == null
	    ? ''
	    : typeof val === 'object'
	      ? JSON.stringify(val, null, 2)
	      : String(val)
	}
	
	/**
	 * Convert a input value to a number for persistence.
	 * If the conversion fails, return original string.
	 */
	function toNumber (val) {
	  var n = parseFloat(val, 10);
	  return (n || n === 0) ? n : val
	}
	
	/**
	 * Make a map and return a function for checking if a key
	 * is in that map.
	 */
	function makeMap (
	  str,
	  expectsLowerCase
	) {
	  var map = Object.create(null);
	  var list = str.split(',');
	  for (var i = 0; i < list.length; i++) {
	    map[list[i]] = true;
	  }
	  return expectsLowerCase
	    ? function (val) { return map[val.toLowerCase()]; }
	    : function (val) { return map[val]; }
	}
	
	/**
	 * Check if a tag is a built-in tag.
	 */
	var isBuiltInTag = makeMap('slot,component', true);
	
	/**
	 * Remove an item from an array
	 */
	function remove$1 (arr, item) {
	  if (arr.length) {
	    var index = arr.indexOf(item);
	    if (index > -1) {
	      return arr.splice(index, 1)
	    }
	  }
	}
	
	/**
	 * Check whether the object has the property.
	 */
	var hasOwnProperty = Object.prototype.hasOwnProperty;
	function hasOwn (obj, key) {
	  return hasOwnProperty.call(obj, key)
	}
	
	/**
	 * Check if value is primitive
	 */
	function isPrimitive (value) {
	  return typeof value === 'string' || typeof value === 'number'
	}
	
	/**
	 * Create a cached version of a pure function.
	 */
	function cached (fn) {
	  var cache = Object.create(null);
	  return function cachedFn (str) {
	    var hit = cache[str];
	    return hit || (cache[str] = fn(str))
	  }
	}
	
	/**
	 * Camelize a hyphen-delmited string.
	 */
	var camelizeRE = /-(\w)/g;
	var camelize = cached(function (str) {
	  return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
	});
	
	/**
	 * Capitalize a string.
	 */
	var capitalize = cached(function (str) {
	  return str.charAt(0).toUpperCase() + str.slice(1)
	});
	
	/**
	 * Hyphenate a camelCase string.
	 */
	var hyphenateRE = /([^-])([A-Z])/g;
	var hyphenate = cached(function (str) {
	  return str
	    .replace(hyphenateRE, '$1-$2')
	    .replace(hyphenateRE, '$1-$2')
	    .toLowerCase()
	});
	
	/**
	 * Simple bind, faster than native
	 */
	function bind$1 (fn, ctx) {
	  function boundFn (a) {
	    var l = arguments.length;
	    return l
	      ? l > 1
	        ? fn.apply(ctx, arguments)
	        : fn.call(ctx, a)
	      : fn.call(ctx)
	  }
	  // record original fn length
	  boundFn._length = fn.length;
	  return boundFn
	}
	
	/**
	 * Convert an Array-like object to a real Array.
	 */
	function toArray (list, start) {
	  start = start || 0;
	  var i = list.length - start;
	  var ret = new Array(i);
	  while (i--) {
	    ret[i] = list[i + start];
	  }
	  return ret
	}
	
	/**
	 * Mix properties into target object.
	 */
	function extend (to, _from) {
	  for (var key in _from) {
	    to[key] = _from[key];
	  }
	  return to
	}
	
	/**
	 * Quick object check - this is primarily used to tell
	 * Objects from primitive values when we know the value
	 * is a JSON-compliant type.
	 */
	function isObject (obj) {
	  return obj !== null && typeof obj === 'object'
	}
	
	/**
	 * Strict object type check. Only returns true
	 * for plain JavaScript objects.
	 */
	var toString = Object.prototype.toString;
	var OBJECT_STRING = '[object Object]';
	function isPlainObject (obj) {
	  return toString.call(obj) === OBJECT_STRING
	}
	
	/**
	 * Merge an Array of Objects into a single Object.
	 */
	function toObject (arr) {
	  var res = {};
	  for (var i = 0; i < arr.length; i++) {
	    if (arr[i]) {
	      extend(res, arr[i]);
	    }
	  }
	  return res
	}
	
	/**
	 * Perform no operation.
	 */
	function noop () {}
	
	/**
	 * Always return false.
	 */
	var no = function () { return false; };
	
	/**
	 * Return same value
	 */
	var identity = function (_) { return _; };
	
	/**
	 * Generate a static keys string from compiler modules.
	 */
	function genStaticKeys (modules) {
	  return modules.reduce(function (keys, m) {
	    return keys.concat(m.staticKeys || [])
	  }, []).join(',')
	}
	
	/**
	 * Check if two values are loosely equal - that is,
	 * if they are plain objects, do they have the same shape?
	 */
	function looseEqual (a, b) {
	  /* eslint-disable eqeqeq */
	  return a == b || (
	    isObject(a) && isObject(b)
	      ? JSON.stringify(a) === JSON.stringify(b)
	      : false
	  )
	  /* eslint-enable eqeqeq */
	}
	
	function looseIndexOf (arr, val) {
	  for (var i = 0; i < arr.length; i++) {
	    if (looseEqual(arr[i], val)) { return i }
	  }
	  return -1
	}
	
	/*  */
	
	var config = {
	  /**
	   * Option merge strategies (used in core/util/options)
	   */
	  optionMergeStrategies: Object.create(null),
	
	  /**
	   * Whether to suppress warnings.
	   */
	  silent: false,
	
	  /**
	   * Whether to enable devtools
	   */
	  devtools: process.env.NODE_ENV !== 'production',
	
	  /**
	   * Error handler for watcher errors
	   */
	  errorHandler: null,
	
	  /**
	   * Ignore certain custom elements
	   */
	  ignoredElements: null,
	
	  /**
	   * Custom user key aliases for v-on
	   */
	  keyCodes: Object.create(null),
	
	  /**
	   * Check if a tag is reserved so that it cannot be registered as a
	   * component. This is platform-dependent and may be overwritten.
	   */
	  isReservedTag: no,
	
	  /**
	   * Check if a tag is an unknown element.
	   * Platform-dependent.
	   */
	  isUnknownElement: no,
	
	  /**
	   * Get the namespace of an element
	   */
	  getTagNamespace: noop,
	
	  /**
	   * Parse the real tag name for the specific platform.
	   */
	  parsePlatformTagName: identity,
	
	  /**
	   * Check if an attribute must be bound using property, e.g. value
	   * Platform-dependent.
	   */
	  mustUseProp: no,
	
	  /**
	   * List of asset types that a component can own.
	   */
	  _assetTypes: [
	    'component',
	    'directive',
	    'filter'
	  ],
	
	  /**
	   * List of lifecycle hooks.
	   */
	  _lifecycleHooks: [
	    'beforeCreate',
	    'created',
	    'beforeMount',
	    'mounted',
	    'beforeUpdate',
	    'updated',
	    'beforeDestroy',
	    'destroyed',
	    'activated',
	    'deactivated'
	  ],
	
	  /**
	   * Max circular updates allowed in a scheduler flush cycle.
	   */
	  _maxUpdateCount: 100
	};
	
	/*  */
	
	/**
	 * Check if a string starts with $ or _
	 */
	function isReserved (str) {
	  var c = (str + '').charCodeAt(0);
	  return c === 0x24 || c === 0x5F
	}
	
	/**
	 * Define a property.
	 */
	function def (obj, key, val, enumerable) {
	  Object.defineProperty(obj, key, {
	    value: val,
	    enumerable: !!enumerable,
	    writable: true,
	    configurable: true
	  });
	}
	
	/**
	 * Parse simple path.
	 */
	var bailRE = /[^\w.$]/;
	function parsePath (path) {
	  if (bailRE.test(path)) {
	    return
	  } else {
	    var segments = path.split('.');
	    return function (obj) {
	      for (var i = 0; i < segments.length; i++) {
	        if (!obj) { return }
	        obj = obj[segments[i]];
	      }
	      return obj
	    }
	  }
	}
	
	/*  */
	/* globals MutationObserver */
	
	// can we use __proto__?
	var hasProto = '__proto__' in {};
	
	// Browser environment sniffing
	var inBrowser = typeof window !== 'undefined';
	var UA = inBrowser && window.navigator.userAgent.toLowerCase();
	var isIE = UA && /msie|trident/.test(UA);
	var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
	var isEdge = UA && UA.indexOf('edge/') > 0;
	var isAndroid = UA && UA.indexOf('android') > 0;
	var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);
	
	// this needs to be lazy-evaled because vue may be required before
	// vue-server-renderer can set VUE_ENV
	var _isServer;
	var isServerRendering = function () {
	  if (_isServer === undefined) {
	    /* istanbul ignore if */
	    if (!inBrowser && typeof global !== 'undefined') {
	      // detect presence of vue-server-renderer and avoid
	      // Webpack shimming the process
	      _isServer = global['process'].env.VUE_ENV === 'server';
	    } else {
	      _isServer = false;
	    }
	  }
	  return _isServer
	};
	
	// detect devtools
	var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
	
	/* istanbul ignore next */
	function isNative (Ctor) {
	  return /native code/.test(Ctor.toString())
	}
	
	/**
	 * Defer a task to execute it asynchronously.
	 */
	var nextTick = (function () {
	  var callbacks = [];
	  var pending = false;
	  var timerFunc;
	
	  function nextTickHandler () {
	    pending = false;
	    var copies = callbacks.slice(0);
	    callbacks.length = 0;
	    for (var i = 0; i < copies.length; i++) {
	      copies[i]();
	    }
	  }
	
	  // the nextTick behavior leverages the microtask queue, which can be accessed
	  // via either native Promise.then or MutationObserver.
	  // MutationObserver has wider support, however it is seriously bugged in
	  // UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
	  // completely stops working after triggering a few times... so, if native
	  // Promise is available, we will use it:
	  /* istanbul ignore if */
	  if (typeof Promise !== 'undefined' && isNative(Promise)) {
	    var p = Promise.resolve();
	    var logError = function (err) { console.error(err); };
	    timerFunc = function () {
	      p.then(nextTickHandler).catch(logError);
	      // in problematic UIWebViews, Promise.then doesn't completely break, but
	      // it can get stuck in a weird state where callbacks are pushed into the
	      // microtask queue but the queue isn't being flushed, until the browser
	      // needs to do some other work, e.g. handle a timer. Therefore we can
	      // "force" the microtask queue to be flushed by adding an empty timer.
	      if (isIOS) { setTimeout(noop); }
	    };
	  } else if (typeof MutationObserver !== 'undefined' && (
	    isNative(MutationObserver) ||
	    // PhantomJS and iOS 7.x
	    MutationObserver.toString() === '[object MutationObserverConstructor]'
	  )) {
	    // use MutationObserver where native Promise is not available,
	    // e.g. PhantomJS IE11, iOS7, Android 4.4
	    var counter = 1;
	    var observer = new MutationObserver(nextTickHandler);
	    var textNode = document.createTextNode(String(counter));
	    observer.observe(textNode, {
	      characterData: true
	    });
	    timerFunc = function () {
	      counter = (counter + 1) % 2;
	      textNode.data = String(counter);
	    };
	  } else {
	    // fallback to setTimeout
	    /* istanbul ignore next */
	    timerFunc = function () {
	      setTimeout(nextTickHandler, 0);
	    };
	  }
	
	  return function queueNextTick (cb, ctx) {
	    var _resolve;
	    callbacks.push(function () {
	      if (cb) { cb.call(ctx); }
	      if (_resolve) { _resolve(ctx); }
	    });
	    if (!pending) {
	      pending = true;
	      timerFunc();
	    }
	    if (!cb && typeof Promise !== 'undefined') {
	      return new Promise(function (resolve) {
	        _resolve = resolve;
	      })
	    }
	  }
	})();
	
	var _Set;
	/* istanbul ignore if */
	if (typeof Set !== 'undefined' && isNative(Set)) {
	  // use native Set when available.
	  _Set = Set;
	} else {
	  // a non-standard Set polyfill that only works with primitive keys.
	  _Set = (function () {
	    function Set () {
	      this.set = Object.create(null);
	    }
	    Set.prototype.has = function has (key) {
	      return this.set[key] === true
	    };
	    Set.prototype.add = function add (key) {
	      this.set[key] = true;
	    };
	    Set.prototype.clear = function clear () {
	      this.set = Object.create(null);
	    };
	
	    return Set;
	  }());
	}
	
	var warn = noop;
	var formatComponentName;
	
	if (process.env.NODE_ENV !== 'production') {
	  var hasConsole = typeof console !== 'undefined';
	
	  warn = function (msg, vm) {
	    if (hasConsole && (!config.silent)) {
	      console.error("[Vue warn]: " + msg + " " + (
	        vm ? formatLocation(formatComponentName(vm)) : ''
	      ));
	    }
	  };
	
	  formatComponentName = function (vm) {
	    if (vm.$root === vm) {
	      return 'root instance'
	    }
	    var name = vm._isVue
	      ? vm.$options.name || vm.$options._componentTag
	      : vm.name;
	    return (
	      (name ? ("component <" + name + ">") : "anonymous component") +
	      (vm._isVue && vm.$options.__file ? (" at " + (vm.$options.__file)) : '')
	    )
	  };
	
	  var formatLocation = function (str) {
	    if (str === 'anonymous component') {
	      str += " - use the \"name\" option for better debugging messages.";
	    }
	    return ("\n(found in " + str + ")")
	  };
	}
	
	/*  */
	
	
	var uid$1 = 0;
	
	/**
	 * A dep is an observable that can have multiple
	 * directives subscribing to it.
	 */
	var Dep = function Dep () {
	  this.id = uid$1++;
	  this.subs = [];
	};
	
	Dep.prototype.addSub = function addSub (sub) {
	  this.subs.push(sub);
	};
	
	Dep.prototype.removeSub = function removeSub (sub) {
	  remove$1(this.subs, sub);
	};
	
	Dep.prototype.depend = function depend () {
	  if (Dep.target) {
	    Dep.target.addDep(this);
	  }
	};
	
	Dep.prototype.notify = function notify () {
	  // stablize the subscriber list first
	  var subs = this.subs.slice();
	  for (var i = 0, l = subs.length; i < l; i++) {
	    subs[i].update();
	  }
	};
	
	// 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;
	var targetStack = [];
	
	function pushTarget (_target) {
	  if (Dep.target) { targetStack.push(Dep.target); }
	  Dep.target = _target;
	}
	
	function popTarget () {
	  Dep.target = targetStack.pop();
	}
	
	/*
	 * not type checking this file because flow doesn't play well with
	 * dynamically accessing methods on Array prototype
	 */
	
	var arrayProto = Array.prototype;
	var arrayMethods = Object.create(arrayProto);[
	  'push',
	  'pop',
	  'shift',
	  'unshift',
	  'splice',
	  'sort',
	  'reverse'
	]
	.forEach(function (method) {
	  // cache original method
	  var original = arrayProto[method];
	  def(arrayMethods, method, function mutator () {
	    var arguments$1 = arguments;
	
	    // avoid leaking arguments:
	    // http://jsperf.com/closure-with-arguments
	    var i = arguments.length;
	    var args = new Array(i);
	    while (i--) {
	      args[i] = arguments$1[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
	  });
	});
	
	/*  */
	
	var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
	
	/**
	 * By default, when a reactive property is set, the new value is
	 * also converted to become reactive. However when passing down props,
	 * we don't want to force conversion because the value may be a nested value
	 * under a frozen data structure. Converting it would defeat the optimization.
	 */
	var observerState = {
	  shouldConvert: true,
	  isSettingProps: false
	};
	
	/**
	 * 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.
	 */
	var Observer = function Observer (value) {
	  this.value = value;
	  this.dep = new Dep();
	  this.vmCount = 0;
	  def(value, '__ob__', this);
	  if (Array.isArray(value)) {
	    var augment = hasProto
	      ? protoAugment
	      : copyAugment;
	    augment(value, arrayMethods, arrayKeys);
	    this.observeArray(value);
	  } else {
	    this.walk(value);
	  }
	};
	
	/**
	 * Walk through each property and convert them into
	 * getter/setters. This method should only be called when
	 * value type is Object.
	 */
	Observer.prototype.walk = function walk (obj) {
	  var keys = Object.keys(obj);
	  for (var i = 0; i < keys.length; i++) {
	    defineReactive$$1(obj, keys[i], obj[keys[i]]);
	  }
	};
	
	/**
	 * Observe a list of Array items.
	 */
	Observer.prototype.observeArray = function observeArray (items) {
	  for (var i = 0, l = items.length; i < l; i++) {
	    observe(items[i]);
	  }
	};
	
	// helpers
	
	/**
	 * Augment an target Object or Array by intercepting
	 * the prototype chain using __proto__
	 */
	function protoAugment (target, src) {
	  /* eslint-disable no-proto */
	  target.__proto__ = src;
	  /* eslint-enable no-proto */
	}
	
	/**
	 * Augment an target Object or Array by defining
	 * hidden properties.
	 */
	/* istanbul ignore next */
	function copyAugment (target, src, keys) {
	  for (var i = 0, l = keys.length; i < l; i++) {
	    var key = keys[i];
	    def(target, key, src[key]);
	  }
	}
	
	/**
	 * Attempt to create an observer instance for a value,
	 * returns the new observer if successfully observed,
	 * or the existing observer if the value already has one.
	 */
	function observe (value) {
	  if (!isObject(value)) {
	    return
	  }
	  var ob;
	  if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
	    ob = value.__ob__;
	  } else if (
	    observerState.shouldConvert &&
	    !isServerRendering() &&
	    (Array.isArray(value) || isPlainObject(value)) &&
	    Object.isExtensible(value) &&
	    !value._isVue
	  ) {
	    ob = new Observer(value);
	  }
	  return ob
	}
	
	/**
	 * Define a reactive property on an Object.
	 */
	function defineReactive$$1 (
	  obj,
	  key,
	  val,
	  customSetter
	) {
	  var dep = new Dep();
	
	  var property = Object.getOwnPropertyDescriptor(obj, key);
	  if (property && property.configurable === false) {
	    return
	  }
	
	  // cater for pre-defined getter/setters
	  var getter = property && property.get;
	  var setter = property && property.set;
	
	  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 (Array.isArray(value)) {
	          dependArray(value);
	        }
	      }
	      return value
	    },
	    set: function reactiveSetter (newVal) {
	      var value = getter ? getter.call(obj) : val;
	      /* eslint-disable no-self-compare */
	      if (newVal === value || (newVal !== newVal && value !== value)) {
	        return
	      }
	      /* eslint-enable no-self-compare */
	      if (process.env.NODE_ENV !== 'production' && customSetter) {
	        customSetter();
	      }
	      if (setter) {
	        setter.call(obj, newVal);
	      } else {
	        val = newVal;
	      }
	      childOb = observe(newVal);
	      dep.notify();
	    }
	  });
	}
	
	/**
	 * Set a property on an object. Adds the new property and
	 * triggers change notification if the property doesn't
	 * already exist.
	 */
	function set$1 (obj, key, val) {
	  if (Array.isArray(obj)) {
	    obj.length = Math.max(obj.length, key);
	    obj.splice(key, 1, val);
	    return val
	  }
	  if (hasOwn(obj, key)) {
	    obj[key] = val;
	    return
	  }
	  var ob = obj.__ob__;
	  if (obj._isVue || (ob && ob.vmCount)) {
	    process.env.NODE_ENV !== 'production' && warn(
	      'Avoid adding reactive properties to a Vue instance or its root $data ' +
	      'at runtime - declare it upfront in the data option.'
	    );
	    return
	  }
	  if (!ob) {
	    obj[key] = val;
	    return
	  }
	  defineReactive$$1(ob.value, key, val);
	  ob.dep.notify();
	  return val
	}
	
	/**
	 * Delete a property and trigger change if necessary.
	 */
	function del (obj, key) {
	  var ob = obj.__ob__;
	  if (obj._isVue || (ob && ob.vmCount)) {
	    process.env.NODE_ENV !== 'production' && warn(
	      'Avoid deleting properties on a Vue instance or its root $data ' +
	      '- just set it to null.'
	    );
	    return
	  }
	  if (!hasOwn(obj, key)) {
	    return
	  }
	  delete obj[key];
	  if (!ob) {
	    return
	  }
	  ob.dep.notify();
	}
	
	/**
	 * Collect dependencies on array elements when the array is touched, since
	 * we cannot intercept array element access like property getters.
	 */
	function dependArray (value) {
	  for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
	    e = value[i];
	    e && e.__ob__ && e.__ob__.dep.depend();
	    if (Array.isArray(e)) {
	      dependArray(e);
	    }
	  }
	}
	
	/*  */
	
	/**
	 * Option overwriting strategies are functions that handle
	 * how to merge a parent option value and a child option
	 * value into the final value.
	 */
	var strats = config.optionMergeStrategies;
	
	/**
	 * Options with restrictions
	 */
	if (process.env.NODE_ENV !== 'production') {
	  strats.el = strats.propsData = function (parent, child, vm, key) {
	    if (!vm) {
	      warn(
	        "option \"" + key + "\" can only be used during instance " +
	        'creation with the `new` keyword.'
	      );
	    }
	    return defaultStrat(parent, child)
	  };
	}
	
	/**
	 * Helper that recursively merges two data objects together.
	 */
	function mergeData (to, from) {
	  if (!from) { return to }
	  var key, toVal, fromVal;
	  var keys = Object.keys(from);
	  for (var i = 0; i < keys.length; i++) {
	    key = keys[i];
	    toVal = to[key];
	    fromVal = from[key];
	    if (!hasOwn(to, key)) {
	      set$1(to, key, fromVal);
	    } else if (isPlainObject(toVal) && isPlainObject(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.',
	        vm
	      );
	      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
	      }
	    }
	  }
	};
	
	/**
	 * Hooks and param attributes are merged as arrays.
	 */
	function mergeHook (
	  parentVal,
	  childVal
	) {
	  return childVal
	    ? parentVal
	      ? parentVal.concat(childVal)
	      : Array.isArray(childVal)
	        ? childVal
	        : [childVal]
	    : parentVal
	}
	
	config._lifecycleHooks.forEach(function (hook) {
	  strats[hook] = mergeHook;
	});
	
	/**
	 * Assets
	 *
	 * When a vm is present (instance creation), we need to do
	 * a three-way merge between constructor options, instance
	 * options and parent options.
	 */
	function mergeAssets (parentVal, childVal) {
	  var res = Object.create(parentVal || null);
	  return childVal
	    ? extend(res, childVal)
	    : res
	}
	
	config._assetTypes.forEach(function (type) {
	  strats[type + 's'] = mergeAssets;
	});
	
	/**
	 * Watchers.
	 *
	 * Watchers hashes should not overwrite one
	 * another, so we merge them as arrays.
	 */
	strats.watch = function (parentVal, childVal) {
	  /* istanbul ignore if */
	  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 && !Array.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 (parentVal, childVal) {
	  return childVal === undefined
	    ? parentVal
	    : childVal
	};
	
	/**
	 * Validate component names
	 */
	function checkComponents (options) {
	  for (var key in options.components) {
	    var lower = key.toLowerCase();
	    if (isBuiltInTag(lower) || config.isReservedTag(lower)) {
	      warn(
	        'Do not use built-in or reserved HTML elements as component ' +
	        'id: ' + key
	      );
	    }
	  }
	}
	
	/**
	 * Ensure all props option syntax are normalized into the
	 * Object-based format.
	 */
	function normalizeProps (options) {
	  var props = options.props;
	  if (!props) { return }
	  var res = {};
	  var i, val, name;
	  if (Array.isArray(props)) {
	    i = props.length;
	    while (i--) {
	      val = props[i];
	      if (typeof val === 'string') {
	        name = camelize(val);
	        res[name] = { type: null };
	      } else if (process.env.NODE_ENV !== 'production') {
	        warn('props must be strings when using array syntax.');
	      }
	    }
	  } else if (isPlainObject(props)) {
	    for (var key in props) {
	      val = props[key];
	      name = camelize(key);
	      res[name] = isPlainObject(val)
	        ? val
	        : { type: val };
	    }
	  }
	  options.props = res;
	}
	
	/**
	 * Normalize raw function directives into object format.
	 */
	function normalizeDirectives (options) {
	  var dirs = options.directives;
	  if (dirs) {
	    for (var key in dirs) {
	      var def = dirs[key];
	      if (typeof def === 'function') {
	        dirs[key] = { bind: def, update: def };
	      }
	    }
	  }
	}
	
	/**
	 * Merge two option objects into a new one.
	 * Core utility used in both instantiation and inheritance.
	 */
	function mergeOptions (
	  parent,
	  child,
	  vm
	) {
	  if (process.env.NODE_ENV !== 'production') {
	    checkComponents(child);
	  }
	  normalizeProps(child);
	  normalizeDirectives(child);
	  var extendsFrom = child.extends;
	  if (extendsFrom) {
	    parent = typeof extendsFrom === 'function'
	      ? mergeOptions(parent, extendsFrom.options, vm)
	      : mergeOptions(parent, extendsFrom, vm);
	  }
	  if (child.mixins) {
	    for (var i = 0, l = child.mixins.length; i < l; i++) {
	      var mixin = child.mixins[i];
	      if (mixin.prototype instanceof Vue$2) {
	        mixin = mixin.options;
	      }
	      parent = mergeOptions(parent, mixin, vm);
	    }
	  }
	  var options = {};
	  var key;
	  for (key in parent) {
	    mergeField(key);
	  }
	  for (key in child) {
	    if (!hasOwn(parent, key)) {
	      mergeField(key);
	    }
	  }
	  function mergeField (key) {
	    var strat = strats[key] || defaultStrat;
	    options[key] = strat(parent[key], child[key], vm, key);
	  }
	  return options
	}
	
	/**
	 * Resolve an asset.
	 * This function is used because child instances need access
	 * to assets defined in its ancestor chain.
	 */
	function resolveAsset (
	  options,
	  type,
	  id,
	  warnMissing
	) {
	  /* istanbul ignore if */
	  if (typeof id !== 'string') {
	    return
	  }
	  var assets = options[type];
	  // check local registration variations first
	  if (hasOwn(assets, id)) { return assets[id] }
	  var camelizedId = camelize(id);
	  if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }
	  var PascalCaseId = capitalize(camelizedId);
	  if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }
	  // fallback to prototype chain
	  var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
	  if (process.env.NODE_ENV !== 'production' && warnMissing && !res) {
	    warn(
	      'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
	      options
	    );
	  }
	  return res
	}
	
	/*  */
	
	function validateProp (
	  key,
	  propOptions,
	  propsData,
	  vm
	) {
	  var prop = propOptions[key];
	  var absent = !hasOwn(propsData, key);
	  var value = propsData[key];
	  // handle boolean props
	  if (isBooleanType(prop.type)) {
	    if (absent && !hasOwn(prop, 'default')) {
	      value = false;
	    } else if (value === '' || value === hyphenate(key)) {
	      value = true;
	    }
	  }
	  // check default value
	  if (value === undefined) {
	    value = getPropDefaultValue(vm, prop, key);
	    // since the default value is a fresh copy,
	    // make sure to observe it.
	    var prevShouldConvert = observerState.shouldConvert;
	    observerState.shouldConvert = true;
	    observe(value);
	    observerState.shouldConvert = prevShouldConvert;
	  }
	  if (process.env.NODE_ENV !== 'production') {
	    assertProp(prop, key, value, vm, absent);
	  }
	  return value
	}
	
	/**
	 * Get the default value of a prop.
	 */
	function getPropDefaultValue (vm, prop, key) {
	  // no default, return undefined
	  if (!hasOwn(prop, 'default')) {
	    return undefined
	  }
	  var def = prop.default;
	  // warn against non-factory defaults for Object & Array
	  if (isObject(def)) {
	    process.env.NODE_ENV !== 'production' && warn(
	      'Invalid default value for prop "' + key + '": ' +
	      'Props with type Object/Array must use a factory function ' +
	      'to return the default value.',
	      vm
	    );
	  }
	  // the raw prop value was also undefined from previous render,
	  // return previous default value to avoid unnecessary watcher trigger
	  if (vm && vm.$options.propsData &&
	    vm.$options.propsData[key] === undefined &&
	    vm[key] !== undefined) {
	    return vm[key]
	  }
	  // call factory function for non-Function types
	  return typeof def === 'function' && prop.type !== Function
	    ? def.call(vm)
	    : def
	}
	
	/**
	 * Assert whether a prop is valid.
	 */
	function assertProp (
	  prop,
	  name,
	  value,
	  vm,
	  absent
	) {
	  if (prop.required && absent) {
	    warn(
	      'Missing required prop: "' + name + '"',
	      vm
	    );
	    return
	  }
	  if (value == null && !prop.required) {
	    return
	  }
	  var type = prop.type;
	  var valid = !type || type === true;
	  var expectedTypes = [];
	  if (type) {
	    if (!Array.isArray(type)) {
	      type = [type];
	    }
	    for (var i = 0; i < type.length && !valid; i++) {
	      var assertedType = assertType(value, type[i]);
	      expectedTypes.push(assertedType.expectedType);
	      valid = assertedType.valid;
	    }
	  }
	  if (!valid) {
	    warn(
	      'Invalid prop: type check failed for prop "' + name + '".' +
	      ' Expected ' + expectedTypes.map(capitalize).join(', ') +
	      ', got ' + Object.prototype.toString.call(value).slice(8, -1) + '.',
	      vm
	    );
	    return
	  }
	  var validator = prop.validator;
	  if (validator) {
	    if (!validator(value)) {
	      warn(
	        'Invalid prop: custom validator check failed for prop "' + name + '".',
	        vm
	      );
	    }
	  }
	}
	
	/**
	 * Assert the type of a value
	 */
	function assertType (value, type) {
	  var valid;
	  var expectedType = getType(type);
	  if (expectedType === 'String') {
	    valid = typeof value === (expectedType = 'string');
	  } else if (expectedType === 'Number') {
	    valid = typeof value === (expectedType = 'number');
	  } else if (expectedType === 'Boolean') {
	    valid = typeof value === (expectedType = 'boolean');
	  } else if (expectedType === 'Function') {
	    valid = typeof value === (expectedType = 'function');
	  } else if (expectedType === 'Object') {
	    valid = isPlainObject(value);
	  } else if (expectedType === 'Array') {
	    valid = Array.isArray(value);
	  } else {
	    valid = value instanceof type;
	  }
	  return {
	    valid: valid,
	    expectedType: expectedType
	  }
	}
	
	/**
	 * Use function string name to check built-in types,
	 * because a simple equality check will fail when running
	 * across different vms / iframes.
	 */
	function getType (fn) {
	  var match = fn && fn.toString().match(/^\s*function (\w+)/);
	  return match && match[1]
	}
	
	function isBooleanType (fn) {
	  if (!Array.isArray(fn)) {
	    return getType(fn) === 'Boolean'
	  }
	  for (var i = 0, len = fn.length; i < len; i++) {
	    if (getType(fn[i]) === 'Boolean') {
	      return true
	    }
	  }
	  /* istanbul ignore next */
	  return false
	}
	
	
	
	var util = Object.freeze({
		defineReactive: defineReactive$$1,
		_toString: _toString,
		toNumber: toNumber,
		makeMap: makeMap,
		isBuiltInTag: isBuiltInTag,
		remove: remove$1,
		hasOwn: hasOwn,
		isPrimitive: isPrimitive,
		cached: cached,
		camelize: camelize,
		capitalize: capitalize,
		hyphenate: hyphenate,
		bind: bind$1,
		toArray: toArray,
		extend: extend,
		isObject: isObject,
		isPlainObject: isPlainObject,
		toObject: toObject,
		noop: noop,
		no: no,
		identity: identity,
		genStaticKeys: genStaticKeys,
		looseEqual: looseEqual,
		looseIndexOf: looseIndexOf,
		isReserved: isReserved,
		def: def,
		parsePath: parsePath,
		hasProto: hasProto,
		inBrowser: inBrowser,
		UA: UA,
		isIE: isIE,
		isIE9: isIE9,
		isEdge: isEdge,
		isAndroid: isAndroid,
		isIOS: isIOS,
		isServerRendering: isServerRendering,
		devtools: devtools,
		nextTick: nextTick,
		get _Set () { return _Set; },
		mergeOptions: mergeOptions,
		resolveAsset: resolveAsset,
		get warn () { return warn; },
		get formatComponentName () { return formatComponentName; },
		validateProp: validateProp
	});
	
	/* not type checking this file because flow doesn't play well with Proxy */
	
	var initProxy;
	
	if (process.env.NODE_ENV !== 'production') {
	  var allowedGlobals = makeMap(
	    'Infinity,undefined,NaN,isFinite,isNaN,' +
	    'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
	    'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +
	    'require' // for Webpack/Browserify
	  );
	
	  var warnNonPresent = function (target, key) {
	    warn(
	      "Property or method \"" + key + "\" is not defined on the instance but " +
	      "referenced during render. Make sure to declare reactive data " +
	      "properties in the data option.",
	      target
	    );
	  };
	
	  var hasProxy =
	    typeof Proxy !== 'undefined' &&
	    Proxy.toString().match(/native code/);
	
	  if (hasProxy) {
	    var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta');
	    config.keyCodes = new Proxy(config.keyCodes, {
	      set: function set (target, key, value) {
	        if (isBuiltInModifier(key)) {
	          warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
	          return false
	        } else {
	          target[key] = value;
	          return true
	        }
	      }
	    });
	  }
	
	  var hasHandler = {
	    has: function has (target, key) {
	      var has = key in target;
	      var isAllowed = allowedGlobals(key) || key.charAt(0) === '_';
	      if (!has && !isAllowed) {
	        warnNonPresent(target, key);
	      }
	      return has || !isAllowed
	    }
	  };
	
	  var getHandler = {
	    get: function get (target, key) {
	      if (typeof key === 'string' && !(key in target)) {
	        warnNonPresent(target, key);
	      }
	      return target[key]
	    }
	  };
	
	  initProxy = function initProxy (vm) {
	    if (hasProxy) {
	      // determine which proxy handler to use
	      var options = vm.$options;
	      var handlers = options.render && options.render._withStripped
	        ? getHandler
	        : hasHandler;
	      vm._renderProxy = new Proxy(vm, handlers);
	    } else {
	      vm._renderProxy = vm;
	    }
	  };
	}
	
	/*  */
	
	
	var queue = [];
	var has$1 = {};
	var circular = {};
	var waiting = false;
	var flushing = false;
	var index = 0;
	
	/**
	 * Reset the scheduler's state.
	 */
	function resetSchedulerState () {
	  queue.length = 0;
	  has$1 = {};
	  if (process.env.NODE_ENV !== 'production') {
	    circular = {};
	  }
	  waiting = flushing = false;
	}
	
	/**
	 * Flush both queues and run the watchers.
	 */
	function flushSchedulerQueue () {
	  flushing = true;
	
	  // Sort queue before flush.
	  // This ensures that:
	  // 1. Components are updated from parent to child. (because parent is always
	  //    created before the child)
	  // 2. A component's user watchers are run before its render watcher (because
	  //    user watchers are created before the render watcher)
	  // 3. If a component is destroyed during a parent component's watcher run,
	  //    its watchers can be skipped.
	  queue.sort(function (a, b) { return a.id - b.id; });
	
	  // do not cache length because more watchers might be pushed
	  // as we run existing watchers
	  for (index = 0; index < queue.length; index++) {
	    var watcher = queue[index];
	    var id = watcher.id;
	    has$1[id] = null;
	    watcher.run();
	    // in dev build, check and stop circular updates.
	    if (process.env.NODE_ENV !== 'production' && has$1[id] != null) {
	      circular[id] = (circular[id] || 0) + 1;
	      if (circular[id] > config._maxUpdateCount) {
	        warn(
	          'You may have an infinite update loop ' + (
	            watcher.user
	              ? ("in watcher with expression \"" + (watcher.expression) + "\"")
	              : "in a component render function."
	          ),
	          watcher.vm
	        );
	        break
	      }
	    }
	  }
	
	  // devtool hook
	  /* istanbul ignore if */
	  if (devtools && config.devtools) {
	    devtools.emit('flush');
	  }
	
	  resetSchedulerState();
	}
	
	/**
	 * Push a watcher into the watcher queue.
	 * Jobs with duplicate IDs will be skipped unless it's
	 * pushed when the queue is being flushed.
	 */
	function queueWatcher (watcher) {
	  var id = watcher.id;
	  if (has$1[id] == null) {
	    has$1[id] = true;
	    if (!flushing) {
	      queue.push(watcher);
	    } else {
	      // if already flushing, splice the watcher based on its id
	      // if already past its id, it will be run next immediately.
	      var i = queue.length - 1;
	      while (i >= 0 && queue[i].id > watcher.id) {
	        i--;
	      }
	      queue.splice(Math.max(i, index) + 1, 0, watcher);
	    }
	    // queue the flush
	    if (!waiting) {
	      waiting = true;
	      nextTick(flushSchedulerQueue);
	    }
	  }
	}
	
	/*  */
	
	var uid$2 = 0;
	
	/**
	 * A watcher parses an expression, collects dependencies,
	 * and fires callback when the expression value changes.
	 * This is used for both the $watch() api and directives.
	 */
	var Watcher = function Watcher (
	  vm,
	  expOrFn,
	  cb,
	  options
	) {
	  if ( options === void 0 ) options = {};
	
	  this.vm = vm;
	  vm._watchers.push(this);
	  // options
	  this.deep = !!options.deep;
	  this.user = !!options.user;
	  this.lazy = !!options.lazy;
	  this.sync = !!options.sync;
	  this.expression = expOrFn.toString();
	  this.cb = cb;
	  this.id = ++uid$2; // uid for batching
	  this.active = true;
	  this.dirty = this.lazy; // for lazy watchers
	  this.deps = [];
	  this.newDeps = [];
	  this.depIds = new _Set();
	  this.newDepIds = new _Set();
	  // parse expression for getter
	  if (typeof expOrFn === 'function') {
	    this.getter = expOrFn;
	  } else {
	    this.getter = parsePath(expOrFn);
	    if (!this.getter) {
	      this.getter = function () {};
	      process.env.NODE_ENV !== 'production' && warn(
	        "Failed watching path: \"" + expOrFn + "\" " +
	        'Watcher only accepts simple dot-delimited paths. ' +
	        'For full control, use a function instead.',
	        vm
	      );
	    }
	  }
	  this.value = this.lazy
	    ? undefined
	    : this.get();
	};
	
	/**
	 * Evaluate the getter, and re-collect dependencies.
	 */
	Watcher.prototype.get = function get () {
	  pushTarget(this);
	  var value = this.getter.call(this.vm, this.vm);
	  // "touch" every property so they are all tracked as
	  // dependencies for deep watching
	  if (this.deep) {
	    traverse(value);
	  }
	  popTarget();
	  this.cleanupDeps();
	  return value
	};
	
	/**
	 * Add a dependency to this directive.
	 */
	Watcher.prototype.addDep = function addDep (dep) {
	  var id = dep.id;
	  if (!this.newDepIds.has(id)) {
	    this.newDepIds.add(id);
	    this.newDeps.push(dep);
	    if (!this.depIds.has(id)) {
	      dep.addSub(this);
	    }
	  }
	};
	
	/**
	 * Clean up for dependency collection.
	 */
	Watcher.prototype.cleanupDeps = function cleanupDeps () {
	    var this$1 = this;
	
	  var i = this.deps.length;
	  while (i--) {
	    var dep = this$1.deps[i];
	    if (!this$1.newDepIds.has(dep.id)) {
	      dep.removeSub(this$1);
	    }
	  }
	  var tmp = this.depIds;
	  this.depIds = this.newDepIds;
	  this.newDepIds = tmp;
	  this.newDepIds.clear();
	  tmp = this.deps;
	  this.deps = this.newDeps;
	  this.newDeps = tmp;
	  this.newDeps.length = 0;
	};
	
	/**
	 * Subscriber interface.
	 * Will be called when a dependency changes.
	 */
	Watcher.prototype.update = function update () {
	  /* istanbul ignore else */
	  if (this.lazy) {
	    this.dirty = true;
	  } else if (this.sync) {
	    this.run();
	  } else {
	    queueWatcher(this);
	  }
	};
	
	/**
	 * Scheduler job interface.
	 * Will be called by the scheduler.
	 */
	Watcher.prototype.run = function run () {
	  if (this.active) {
	    var value = this.get();
	      if (
	        value !== this.value ||
	      // Deep watchers and watchers on Object/Arrays should fire even
	      // when the value is the same, because the value may
	      // have mutated.
	      isObject(value) ||
	      this.deep
	    ) {
	      // set new value
	      var oldValue = this.value;
	      this.value = value;
	      if (this.user) {
	        try {
	          this.cb.call(this.vm, value, oldValue);
	        } catch (e) {
	          /* istanbul ignore else */
	          if (config.errorHandler) {
	            config.errorHandler.call(null, e, this.vm);
	          } else {
	            process.env.NODE_ENV !== 'production' && warn(
	              ("Error in watcher \"" + (this.expression) + "\""),
	              this.vm
	            );
	            throw e
	          }
	        }
	      } else {
	        this.cb.call(this.vm, value, oldValue);
	      }
	    }
	  }
	};
	
	/**
	 * Evaluate the value of the watcher.
	 * This only gets called for lazy watchers.
	 */
	Watcher.prototype.evaluate = function evaluate () {
	  this.value = this.get();
	  this.dirty = false;
	};
	
	/**
	 * Depend on all deps collected by this watcher.
	 */
	Watcher.prototype.depend = function depend () {
	    var this$1 = this;
	
	  var i = this.deps.length;
	  while (i--) {
	    this$1.deps[i].depend();
	  }
	};
	
	/**
	 * Remove self from all dependencies' subscriber list.
	 */
	Watcher.prototype.teardown = function teardown () {
	    var this$1 = this;
	
	  if (this.active) {
	    // remove self from vm's watcher list
	    // this is a somewhat expensive operation so we skip it
	    // if the vm is being destroyed or is performing a v-for
	    // re-render (the watcher list is then filtered by v-for).
	    if (!this.vm._isBeingDestroyed && !this.vm._vForRemoving) {
	      remove$1(this.vm._watchers, this);
	    }
	    var i = this.deps.length;
	    while (i--) {
	      this$1.deps[i].removeSub(this$1);
	    }
	    this.active = false;
	  }
	};
	
	/**
	 * Recursively traverse an object to evoke all converted
	 * getters, so that every nested property inside the object
	 * is collected as a "deep" dependency.
	 */
	var seenObjects = new _Set();
	function traverse (val) {
	  seenObjects.clear();
	  _traverse(val, seenObjects);
	}
	
	function _traverse (val, seen) {
	  var i, keys;
	  var isA = Array.isArray(val);
	  if ((!isA && !isObject(val)) || !Object.isExtensible(val)) {
	    return
	  }
	  if (val.__ob__) {
	    var depId = val.__ob__.dep.id;
	    if (seen.has(depId)) {
	      return
	    }
	    seen.add(depId);
	  }
	  if (isA) {
	    i = val.length;
	    while (i--) { _traverse(val[i], seen); }
	  } else {
	    keys = Object.keys(val);
	    i = keys.length;
	    while (i--) { _traverse(val[keys[i]], seen); }
	  }
	}
	
	/*  */
	
	function initState (vm) {
	  vm._watchers = [];
	  initProps(vm);
	  initMethods(vm);
	  initData(vm);
	  initComputed(vm);
	  initWatch(vm);
	}
	
	var isReservedProp = { key: 1, ref: 1, slot: 1 };
	
	function initProps (vm) {
	  var props = vm.$options.props;
	  if (props) {
	    var propsData = vm.$options.propsData || {};
	    var keys = vm.$options._propKeys = Object.keys(props);
	    var isRoot = !vm.$parent;
	    // root instance props should be converted
	    observerState.shouldConvert = isRoot;
	    var loop = function ( i ) {
	      var key = keys[i];
	      /* istanbul ignore else */
	      if (process.env.NODE_ENV !== 'production') {
	        if (isReservedProp[key]) {
	          warn(
	            ("\"" + key + "\" is a reserved attribute and cannot be used as component prop."),
	            vm
	          );
	        }
	        defineReactive$$1(vm, key, validateProp(key, props, propsData, vm), function () {
	          if (vm.$parent && !observerState.isSettingProps) {
	            warn(
	              "Avoid mutating a prop directly since the value will be " +
	              "overwritten whenever the parent component re-renders. " +
	              "Instead, use a data or computed property based on the prop's " +
	              "value. Prop being mutated: \"" + key + "\"",
	              vm
	            );
	          }
	        });
	      } else {
	        defineReactive$$1(vm, key, validateProp(key, props, propsData, vm));
	      }
	    };
	
	    for (var i = 0; i < keys.length; i++) loop( i );
	    observerState.shouldConvert = true;
	  }
	}
	
	function initData (vm) {
	  var data = vm.$options.data;
	  data = vm._data = typeof data === 'function'
	    ? data.call(vm)
	    : data || {};
	  if (!isPlainObject(data)) {
	    data = {};
	    process.env.NODE_ENV !== 'production' && warn(
	      'data functions should return an object:\n' +
	      'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',
	      vm
	    );
	  }
	  // proxy data on instance
	  var keys = Object.keys(data);
	  var props = vm.$options.props;
	  var i = keys.length;
	  while (i--) {
	    if (props && hasOwn(props, keys[i])) {
	      process.env.NODE_ENV !== 'production' && warn(
	        "The data property \"" + (keys[i]) + "\" is already declared as a prop. " +
	        "Use prop default value instead.",
	        vm
	      );
	    } else {
	      proxy(vm, keys[i]);
	    }
	  }
	  // observe data
	  observe(data);
	  data.__ob__ && data.__ob__.vmCount++;
	}
	
	var computedSharedDefinition = {
	  enumerable: true,
	  configurable: true,
	  get: noop,
	  set: noop
	};
	
	function initComputed (vm) {
	  var computed = vm.$options.computed;
	  if (computed) {
	    for (var key in computed) {
	      var userDef = computed[key];
	      if (typeof userDef === 'function') {
	        computedSharedDefinition.get = makeComputedGetter(userDef, vm);
	        computedSharedDefinition.set = noop;
	      } else {
	        computedSharedDefinition.get = userDef.get
	          ? userDef.cache !== false
	            ? makeComputedGetter(userDef.get, vm)
	            : bind$1(userDef.get, vm)
	          : noop;
	        computedSharedDefinition.set = userDef.set
	          ? bind$1(userDef.set, vm)
	          : noop;
	      }
	      Object.defineProperty(vm, key, computedSharedDefinition);
	    }
	  }
	}
	
	function makeComputedGetter (getter, owner) {
	  var watcher = new Watcher(owner, getter, noop, {
	    lazy: true
	  });
	  return function computedGetter () {
	    if (watcher.dirty) {
	      watcher.evaluate();
	    }
	    if (Dep.target) {
	      watcher.depend();
	    }
	    return watcher.value
	  }
	}
	
	function initMethods (vm) {
	  var methods = vm.$options.methods;
	  if (methods) {
	    for (var key in methods) {
	      vm[key] = methods[key] == null ? noop : bind$1(methods[key], vm);
	      if (process.env.NODE_ENV !== 'production' && methods[key] == null) {
	        warn(
	          "method \"" + key + "\" has an undefined value in the component definition. " +
	          "Did you reference the function correctly?",
	          vm
	        );
	      }
	    }
	  }
	}
	
	function initWatch (vm) {
	  var watch = vm.$options.watch;
	  if (watch) {
	    for (var key in watch) {
	      var handler = watch[key];
	      if (Array.isArray(handler)) {
	        for (var i = 0; i < handler.length; i++) {
	          createWatcher(vm, key, handler[i]);
	        }
	      } else {
	        createWatcher(vm, key, handler);
	      }
	    }
	  }
	}
	
	function createWatcher (vm, key, handler) {
	  var options;
	  if (isPlainObject(handler)) {
	    options = handler;
	    handler = handler.handler;
	  }
	  if (typeof handler === 'string') {
	    handler = vm[handler];
	  }
	  vm.$watch(key, handler, options);
	}
	
	function stateMixin (Vue) {
	  // flow somehow has problems with directly declared definition object
	  // when using Object.defineProperty, so we have to procedurally build up
	  // the object here.
	  var dataDef = {};
	  dataDef.get = function () {
	    return this._data
	  };
	  if (process.env.NODE_ENV !== 'production') {
	    dataDef.set = function (newData) {
	      warn(
	        'Avoid replacing instance root $data. ' +
	        'Use nested data properties instead.',
	        this
	      );
	    };
	  }
	  Object.defineProperty(Vue.prototype, '$data', dataDef);
	
	  Vue.prototype.$set = set$1;
	  Vue.prototype.$delete = del;
	
	  Vue.prototype.$watch = function (
	    expOrFn,
	    cb,
	    options
	  ) {
	    var vm = this;
	    options = options || {};
	    options.user = true;
	    var watcher = new Watcher(vm, expOrFn, cb, options);
	    if (options.immediate) {
	      cb.call(vm, watcher.value);
	    }
	    return function unwatchFn () {
	      watcher.teardown();
	    }
	  };
	}
	
	function proxy (vm, key) {
	  if (!isReserved(key)) {
	    Object.defineProperty(vm, key, {
	      configurable: true,
	      enumerable: true,
	      get: function proxyGetter () {
	        return vm._data[key]
	      },
	      set: function proxySetter (val) {
	        vm._data[key] = val;
	      }
	    });
	  }
	}
	
	/*  */
	
	var VNode = function VNode (
	  tag,
	  data,
	  children,
	  text,
	  elm,
	  context,
	  componentOptions
	) {
	  this.tag = tag;
	  this.data = data;
	  this.children = children;
	  this.text = text;
	  this.elm = elm;
	  this.ns = undefined;
	  this.context = context;
	  this.functionalContext = undefined;
	  this.key = data && data.key;
	  this.componentOptions = componentOptions;
	  this.child = undefined;
	  this.parent = undefined;
	  this.raw = false;
	  this.isStatic = false;
	  this.isRootInsert = true;
	  this.isComment = false;
	  this.isCloned = false;
	  this.isOnce = false;
	};
	
	var createEmptyVNode = function () {
	  var node = new VNode();
	  node.text = '';
	  node.isComment = true;
	  return node
	};
	
	function createTextVNode (val) {
	  return new VNode(undefined, undefined, undefined, String(val))
	}
	
	// optimized shallow clone
	// used for static nodes and slot nodes because they may be reused across
	// multiple renders, cloning them avoids errors when DOM manipulations rely
	// on their elm reference.
	function cloneVNode (vnode) {
	  var cloned = new VNode(
	    vnode.tag,
	    vnode.data,
	    vnode.children,
	    vnode.text,
	    vnode.elm,
	    vnode.context,
	    vnode.componentOptions
	  );
	  cloned.ns = vnode.ns;
	  cloned.isStatic = vnode.isStatic;
	  cloned.key = vnode.key;
	  cloned.isCloned = true;
	  return cloned
	}
	
	function cloneVNodes (vnodes) {
	  var res = new Array(vnodes.length);
	  for (var i = 0; i < vnodes.length; i++) {
	    res[i] = cloneVNode(vnodes[i]);
	  }
	  return res
	}
	
	/*  */
	
	var activeInstance = null;
	
	function initLifecycle (vm) {
	  var options = vm.$options;
	
	  // locate first non-abstract parent
	  var parent = options.parent;
	  if (parent && !options.abstract) {
	    while (parent.$options.abstract && parent.$parent) {
	      parent = parent.$parent;
	    }
	    parent.$children.push(vm);
	  }
	
	  vm.$parent = parent;
	  vm.$root = parent ? parent.$root : vm;
	
	  vm.$children = [];
	  vm.$refs = {};
	
	  vm._watcher = null;
	  vm._inactive = false;
	  vm._isMounted = false;
	  vm._isDestroyed = false;
	  vm._isBeingDestroyed = false;
	}
	
	function lifecycleMixin (Vue) {
	  Vue.prototype._mount = function (
	    el,
	    hydrating
	  ) {
	    var vm = this;
	    vm.$el = el;
	    if (!vm.$options.render) {
	      vm.$options.render = createEmptyVNode;
	      if (process.env.NODE_ENV !== 'production') {
	        /* istanbul ignore if */
	        if (vm.$options.template && vm.$options.template.charAt(0) !== '#') {
	          warn(
	            'You are using the runtime-only build of Vue where the template ' +
	            'option is not available. Either pre-compile the templates into ' +
	            'render functions, or use the compiler-included build.',
	            vm
	          );
	        } else {
	          warn(
	            'Failed to mount component: template or render function not defined.',
	            vm
	          );
	        }
	      }
	    }
	    callHook(vm, 'beforeMount');
	    vm._watcher = new Watcher(vm, function () {
	      vm._update(vm._render(), hydrating);
	    }, noop);
	    hydrating = false;
	    // manually mounted instance, call mounted on self
	    // mounted is called for render-created child components in its inserted hook
	    if (vm.$vnode == null) {
	      vm._isMounted = true;
	      callHook(vm, 'mounted');
	    }
	    return vm
	  };
	
	  Vue.prototype._update = function (vnode, hydrating) {
	    var vm = this;
	    if (vm._isMounted) {
	      callHook(vm, 'beforeUpdate');
	    }
	    var prevEl = vm.$el;
	    var prevVnode = vm._vnode;
	    var prevActiveInstance = activeInstance;
	    activeInstance = vm;
	    vm._vnode = vnode;
	    // Vue.prototype.__patch__ is injected in entry points
	    // based on the rendering backend used.
	    if (!prevVnode) {
	      // initial render
	      vm.$el = vm.__patch__(
	        vm.$el, vnode, hydrating, false /* removeOnly */,
	        vm.$options._parentElm,
	        vm.$options._refElm
	      );
	    } else {
	      // updates
	      vm.$el = vm.__patch__(prevVnode, vnode);
	    }
	    activeInstance = prevActiveInstance;
	    // update __vue__ reference
	    if (prevEl) {
	      prevEl.__vue__ = null;
	    }
	    if (vm.$el) {
	      vm.$el.__vue__ = vm;
	    }
	    // if parent is an HOC, update its $el as well
	    if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
	      vm.$parent.$el = vm.$el;
	    }
	    if (vm._isMounted) {
	      callHook(vm, 'updated');
	    }
	  };
	
	  Vue.prototype._updateFromParent = function (
	    propsData,
	    listeners,
	    parentVnode,
	    renderChildren
	  ) {
	    var vm = this;
	    var hasChildren = !!(vm.$options._renderChildren || renderChildren);
	    vm.$options._parentVnode = parentVnode;
	    vm.$vnode = parentVnode; // update vm's placeholder node without re-render
	    if (vm._vnode) { // update child tree's parent
	      vm._vnode.parent = parentVnode;
	    }
	    vm.$options._renderChildren = renderChildren;
	    // update props
	    if (propsData && vm.$options.props) {
	      observerState.shouldConvert = false;
	      if (process.env.NODE_ENV !== 'production') {
	        observerState.isSettingProps = true;
	      }
	      var propKeys = vm.$options._propKeys || [];
	      for (var i = 0; i < propKeys.length; i++) {
	        var key = propKeys[i];
	        vm[key] = validateProp(key, vm.$options.props, propsData, vm);
	      }
	      observerState.shouldConvert = true;
	      if (process.env.NODE_ENV !== 'production') {
	        observerState.isSettingProps = false;
	      }
	      vm.$options.propsData = propsData;
	    }
	    // update listeners
	    if (listeners) {
	      var oldListeners = vm.$options._parentListeners;
	      vm.$options._parentListeners = listeners;
	      vm._updateListeners(listeners, oldListeners);
	    }
	    // resolve slots + force update if has children
	    if (hasChildren) {
	      vm.$slots = resolveSlots(renderChildren, parentVnode.context);
	      vm.$forceUpdate();
	    }
	  };
	
	  Vue.prototype.$forceUpdate = function () {
	    var vm = this;
	    if (vm._watcher) {
	      vm._watcher.update();
	    }
	  };
	
	  Vue.prototype.$destroy = function () {
	    var vm = this;
	    if (vm._isBeingDestroyed) {
	      return
	    }
	    callHook(vm, 'beforeDestroy');
	    vm._isBeingDestroyed = true;
	    // remove self from parent
	    var parent = vm.$parent;
	    if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
	      remove$1(parent.$children, vm);
	    }
	    // teardown watchers
	    if (vm._watcher) {
	      vm._watcher.teardown();
	    }
	    var i = vm._watchers.length;
	    while (i--) {
	      vm._watchers[i].teardown();
	    }
	    // remove reference from data ob
	    // frozen object may not have observer.
	    if (vm._data.__ob__) {
	      vm._data.__ob__.vmCount--;
	    }
	    // call the last hook...
	    vm._isDestroyed = true;
	    callHook(vm, 'destroyed');
	    // turn off all instance listeners.
	    vm.$off();
	    // remove __vue__ reference
	    if (vm.$el) {
	      vm.$el.__vue__ = null;
	    }
	    // invoke destroy hooks on current rendered tree
	    vm.__patch__(vm._vnode, null);
	  };
	}
	
	function callHook (vm, hook) {
	  var handlers = vm.$options[hook];
	  if (handlers) {
	    for (var i = 0, j = handlers.length; i < j; i++) {
	      handlers[i].call(vm);
	    }
	  }
	  vm.$emit('hook:' + hook);
	}
	
	/*  */
	
	var hooks = { init: init, prepatch: prepatch, insert: insert, destroy: destroy$1 };
	var hooksToMerge = Object.keys(hooks);
	
	function createComponent (
	  Ctor,
	  data,
	  context,
	  children,
	  tag
	) {
	  if (!Ctor) {
	    return
	  }
	
	  var baseCtor = context.$options._base;
	  if (isObject(Ctor)) {
	    Ctor = baseCtor.extend(Ctor);
	  }
	
	  if (typeof Ctor !== 'function') {
	    if (process.env.NODE_ENV !== 'production') {
	      warn(("Invalid Component definition: " + (String(Ctor))), context);
	    }
	    return
	  }
	
	  // async component
	  if (!Ctor.cid) {
	    if (Ctor.resolved) {
	      Ctor = Ctor.resolved;
	    } else {
	      Ctor = resolveAsyncComponent(Ctor, baseCtor, function () {
	        // it's ok to queue this on every render because
	        // $forceUpdate is buffered by the scheduler.
	        context.$forceUpdate();
	      });
	      if (!Ctor) {
	        // return nothing if this is indeed an async component
	        // wait for the callback to trigger parent update.
	        return
	      }
	    }
	  }
	
	  // resolve constructor options in case global mixins are applied after
	  // component constructor creation
	  resolveConstructorOptions(Ctor);
	
	  data = data || {};
	
	  // extract props
	  var propsData = extractProps(data, Ctor);
	
	  // functional component
	  if (Ctor.options.functional) {
	    return createFunctionalComponent(Ctor, propsData, data, context, children)
	  }
	
	  // extract listeners, since these needs to be treated as
	  // child component listeners instead of DOM listeners
	  var listeners = data.on;
	  // replace with listeners with .native modifier
	  data.on = data.nativeOn;
	
	  if (Ctor.options.abstract) {
	    // abstract components do not keep anything
	    // other than props & listeners
	    data = {};
	  }
	
	  // merge component management hooks onto the placeholder node
	  mergeHooks(data);
	
	  // return a placeholder vnode
	  var name = Ctor.options.name || tag;
	  var vnode = new VNode(
	    ("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
	    data, undefined, undefined, undefined, context,
	    { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children }
	  );
	  return vnode
	}
	
	function createFunctionalComponent (
	  Ctor,
	  propsData,
	  data,
	  context,
	  children
	) {
	  var props = {};
	  var propOptions = Ctor.options.props;
	  if (propOptions) {
	    for (var key in propOptions) {
	      props[key] = validateProp(key, propOptions, propsData);
	    }
	  }
	  // ensure the createElement function in functional components
	  // gets a unique context - this is necessary for correct named slot check
	  var _context = Object.create(context);
	  var h = function (a, b, c, d) { return createElement(_context, a, b, c, d, true); };
	  var vnode = Ctor.options.render.call(null, h, {
	    props: props,
	    data: data,
	    parent: context,
	    children: children,
	    slots: function () { return resolveSlots(children, context); }
	  });
	  if (vnode instanceof VNode) {
	    vnode.functionalContext = context;
	    if (data.slot) {
	      (vnode.data || (vnode.data = {})).slot = data.slot;
	    }
	  }
	  return vnode
	}
	
	function createComponentInstanceForVnode (
	  vnode, // we know it's MountedComponentVNode but flow doesn't
	  parent, // activeInstance in lifecycle state
	  parentElm,
	  refElm
	) {
	  var vnodeComponentOptions = vnode.componentOptions;
	  var options = {
	    _isComponent: true,
	    parent: parent,
	    propsData: vnodeComponentOptions.propsData,
	    _componentTag: vnodeComponentOptions.tag,
	    _parentVnode: vnode,
	    _parentListeners: vnodeComponentOptions.listeners,
	    _renderChildren: vnodeComponentOptions.children,
	    _parentElm: parentElm || null,
	    _refElm: refElm || null
	  };
	  // check inline-template render functions
	  var inlineTemplate = vnode.data.inlineTemplate;
	  if (inlineTemplate) {
	    options.render = inlineTemplate.render;
	    options.staticRenderFns = inlineTemplate.staticRenderFns;
	  }
	  return new vnodeComponentOptions.Ctor(options)
	}
	
	function init (
	  vnode,
	  hydrating,
	  parentElm,
	  refElm
	) {
	  if (!vnode.child || vnode.child._isDestroyed) {
	    var child = vnode.child = createComponentInstanceForVnode(
	      vnode,
	      activeInstance,
	      parentElm,
	      refElm
	    );
	    child.$mount(hydrating ? vnode.elm : undefined, hydrating);
	  } else if (vnode.data.keepAlive) {
	    // kept-alive components, treat as a patch
	    var mountedNode = vnode; // work around flow
	    prepatch(mountedNode, mountedNode);
	  }
	}
	
	function prepatch (
	  oldVnode,
	  vnode
	) {
	  var options = vnode.componentOptions;
	  var child = vnode.child = oldVnode.child;
	  child._updateFromParent(
	    options.propsData, // updated props
	    options.listeners, // updated listeners
	    vnode, // new parent vnode
	    options.children // new children
	  );
	}
	
	function insert (vnode) {
	  if (!vnode.child._isMounted) {
	    vnode.child._isMounted = true;
	    callHook(vnode.child, 'mounted');
	  }
	  if (vnode.data.keepAlive) {
	    vnode.child._inactive = false;
	    callHook(vnode.child, 'activated');
	  }
	}
	
	function destroy$1 (vnode) {
	  if (!vnode.child._isDestroyed) {
	    if (!vnode.data.keepAlive) {
	      vnode.child.$destroy();
	    } else {
	      vnode.child._inactive = true;
	      callHook(vnode.child, 'deactivated');
	    }
	  }
	}
	
	function resolveAsyncComponent (
	  factory,
	  baseCtor,
	  cb
	) {
	  if (factory.requested) {
	    // pool callbacks
	    factory.pendingCallbacks.push(cb);
	  } else {
	    factory.requested = true;
	    var cbs = factory.pendingCallbacks = [cb];
	    var sync = true;
	
	    var resolve = function (res) {
	      if (isObject(res)) {
	        res = baseCtor.extend(res);
	      }
	      // cache resolved
	      factory.resolved = res;
	      // invoke callbacks only if this is not a synchronous resolve
	      // (async resolves are shimmed as synchronous during SSR)
	      if (!sync) {
	        for (var i = 0, l = cbs.length; i < l; i++) {
	          cbs[i](res);
	        }
	      }
	    };
	
	    var reject = function (reason) {
	      process.env.NODE_ENV !== 'production' && warn(
	        "Failed to resolve async component: " + (String(factory)) +
	        (reason ? ("\nReason: " + reason) : '')
	      );
	    };
	
	    var res = factory(resolve, reject);
	
	    // handle promise
	    if (res && typeof res.then === 'function' && !factory.resolved) {
	      res.then(resolve, reject);
	    }
	
	    sync = false;
	    // return in case resolved synchronously
	    return factory.resolved
	  }
	}
	
	function extractProps (data, Ctor) {
	  // we are only extracting raw values here.
	  // validation and default values are handled in the child
	  // component itself.
	  var propOptions = Ctor.options.props;
	  if (!propOptions) {
	    return
	  }
	  var res = {};
	  var attrs = data.attrs;
	  var props = data.props;
	  var domProps = data.domProps;
	  if (attrs || props || domProps) {
	    for (var key in propOptions) {
	      var altKey = hyphenate(key);
	      checkProp(res, props, key, altKey, true) ||
	      checkProp(res, attrs, key, altKey) ||
	      checkProp(res, domProps, key, altKey);
	    }
	  }
	  return res
	}
	
	function checkProp (
	  res,
	  hash,
	  key,
	  altKey,
	  preserve
	) {
	  if (hash) {
	    if (hasOwn(hash, key)) {
	      res[key] = hash[key];
	      if (!preserve) {
	        delete hash[key];
	      }
	      return true
	    } else if (hasOwn(hash, altKey)) {
	      res[key] = hash[altKey];
	      if (!preserve) {
	        delete hash[altKey];
	      }
	      return true
	    }
	  }
	  return false
	}
	
	function mergeHooks (data) {
	  if (!data.hook) {
	    data.hook = {};
	  }
	  for (var i = 0; i < hooksToMerge.length; i++) {
	    var key = hooksToMerge[i];
	    var fromParent = data.hook[key];
	    var ours = hooks[key];
	    data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours;
	  }
	}
	
	function mergeHook$1 (one, two) {
	  return function (a, b, c, d) {
	    one(a, b, c, d);
	    two(a, b, c, d);
	  }
	}
	
	/*  */
	
	function mergeVNodeHook (def, hookKey, hook, key) {
	  key = key + hookKey;
	  var injectedHash = def.__injected || (def.__injected = {});
	  if (!injectedHash[key]) {
	    injectedHash[key] = true;
	    var oldHook = def[hookKey];
	    if (oldHook) {
	      def[hookKey] = function () {
	        oldHook.apply(this, arguments);
	        hook.apply(this, arguments);
	      };
	    } else {
	      def[hookKey] = hook;
	    }
	  }
	}
	
	/*  */
	
	function updateListeners (
	  on,
	  oldOn,
	  add,
	  remove$$1,
	  vm
	) {
	  var name, cur, old, fn, event, capture, once;
	  for (name in on) {
	    cur = on[name];
	    old = oldOn[name];
	    if (!cur) {
	      process.env.NODE_ENV !== 'production' && warn(
	        "Invalid handler for event \"" + name + "\": got " + String(cur),
	        vm
	      );
	    } else if (!old) {
	      once = name.charAt(0) === '~'; // Prefixed last, checked first
	      event = once ? name.slice(1) : name;
	      capture = event.charAt(0) === '!';
	      event = capture ? event.slice(1) : event;
	      if (Array.isArray(cur)) {
	        add(event, (cur.invoker = arrInvoker(cur)), once, capture);
	      } else {
	        if (!cur.invoker) {
	          fn = cur;
	          cur = on[name] = {};
	          cur.fn = fn;
	          cur.invoker = fnInvoker(cur);
	        }
	        add(event, cur.invoker, once, capture);
	      }
	    } else if (cur !== old) {
	      if (Array.isArray(old)) {
	        old.length = cur.length;
	        for (var i = 0; i < old.length; i++) { old[i] = cur[i]; }
	        on[name] = old;
	      } else {
	        old.fn = cur;
	        on[name] = old;
	      }
	    }
	  }
	  for (name in oldOn) {
	    if (!on[name]) {
	      once = name.charAt(0) === '~'; // Prefixed last, checked first
	      event = once ? name.slice(1) : name;
	      capture = event.charAt(0) === '!';
	      event = capture ? event.slice(1) : event;
	      remove$$1(event, oldOn[name].invoker, capture);
	    }
	  }
	}
	
	function arrInvoker (arr) {
	  return function (ev) {
	    var arguments$1 = arguments;
	
	    var single = arguments.length === 1;
	    for (var i = 0; i < arr.length; i++) {
	      single ? arr[i](ev) : arr[i].apply(null, arguments$1);
	    }
	  }
	}
	
	function fnInvoker (o) {
	  return function (ev) {
	    var single = arguments.length === 1;
	    single ? o.fn(ev) : o.fn.apply(null, arguments);
	  }
	}
	
	/*  */
	
	function normalizeChildren (children) {
	  return isPrimitive(children)
	    ? [createTextVNode(children)]
	    : Array.isArray(children)
	      ? normalizeArrayChildren(children)
	      : undefined
	}
	
	function normalizeArrayChildren (children, nestedIndex) {
	  var res = [];
	  var i, c, last;
	  for (i = 0; i < children.length; i++) {
	    c = children[i];
	    if (c == null || typeof c === 'boolean') { continue }
	    last = res[res.length - 1];
	    //  nested
	    if (Array.isArray(c)) {
	      res.push.apply(res, normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i)));
	    } else if (isPrimitive(c)) {
	      if (last && last.text) {
	        last.text += String(c);
	      } else if (c !== '') {
	        // convert primitive to vnode
	        res.push(createTextVNode(c));
	      }
	    } else {
	      if (c.text && last && last.text) {
	        res[res.length - 1] = createTextVNode(last.text + c.text);
	      } else {
	        // default key for nested array children (likely generated by v-for)
	        if (c.tag && c.key == null && nestedIndex != null) {
	          c.key = "__vlist" + nestedIndex + "_" + i + "__";
	        }
	        res.push(c);
	      }
	    }
	  }
	  return res
	}
	
	/*  */
	
	function getFirstComponentChild (children) {
	  return children && children.filter(function (c) { return c && c.componentOptions; })[0]
	}
	
	/*  */
	
	// wrapper function for providing a more flexible interface
	// without getting yelled at by flow
	function createElement (
	  context,
	  tag,
	  data,
	  children,
	  needNormalization,
	  alwaysNormalize
	) {
	  if (Array.isArray(data) || isPrimitive(data)) {
	    needNormalization = children;
	    children = data;
	    data = undefined;
	  }
	  if (alwaysNormalize) { needNormalization = true; }
	  return _createElement(context, tag, data, children, needNormalization)
	}
	
	function _createElement (
	  context,
	  tag,
	  data,
	  children,
	  needNormalization
	) {
	  if (data && data.__ob__) {
	    process.env.NODE_ENV !== 'production' && warn(
	      "Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
	      'Always create fresh vnode data objects in each render!',
	      context
	    );
	    return createEmptyVNode()
	  }
	  if (!tag) {
	    // in case of component :is set to falsy value
	    return createEmptyVNode()
	  }
	  // support single function children as default scoped slot
	  if (Array.isArray(children) &&
	      typeof children[0] === 'function') {
	    data = data || {};
	    data.scopedSlots = { default: children[0] };
	    children.length = 0;
	  }
	  if (needNormalization) {
	    children = normalizeChildren(children);
	  }
	  var vnode, ns;
	  if (typeof tag === 'string') {
	    var Ctor;
	    ns = config.getTagNamespace(tag);
	    if (config.isReservedTag(tag)) {
	      // platform built-in elements
	      vnode = new VNode(
	        config.parsePlatformTagName(tag), data, children,
	        undefined, undefined, context
	      );
	    } else if ((Ctor = resolveAsset(context.$options, 'components', tag))) {
	      // component
	      vnode = createComponent(Ctor, data, context, children, tag);
	    } else {
	      // unknown or unlisted namespaced elements
	      // check at runtime because it may get assigned a namespace when its
	      // parent normalizes children
	      ns = tag === 'foreignObject' ? 'xhtml' : ns;
	      vnode = new VNode(
	        tag, data, children,
	        undefined, undefined, context
	      );
	    }
	  } else {
	    // direct component options / constructor
	    vnode = createComponent(tag, data, context, children);
	  }
	  if (vnode) {
	    if (ns) { applyNS(vnode, ns); }
	    return vnode
	  } else {
	    return createEmptyVNode()
	  }
	}
	
	function applyNS (vnode, ns) {
	  vnode.ns = ns;
	  if (vnode.children) {
	    for (var i = 0, l = vnode.children.length; i < l; i++) {
	      var child = vnode.children[i];
	      if (child.tag && !child.ns) {
	        applyNS(child, ns);
	      }
	    }
	  }
	}
	
	/*  */
	
	function initRender (vm) {
	  vm.$vnode = null; // the placeholder node in parent tree
	  vm._vnode = null; // the root of the child tree
	  vm._staticTrees = null;
	  var parentVnode = vm.$options._parentVnode;
	  var renderContext = parentVnode && parentVnode.context;
	  vm.$slots = resolveSlots(vm.$options._renderChildren, renderContext);
	  vm.$scopedSlots = {};
	  // bind the createElement fn to this instance
	  // so that we get proper render context inside it.
	  // args order: tag, data, children, needNormalization, alwaysNormalize
	  // internal version is used by render functions compiled from templates
	  vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };
	  // normalization is always applied for the public version, used in
	  // user-written render functions.
	  vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };
	  if (vm.$options.el) {
	    vm.$mount(vm.$options.el);
	  }
	}
	
	function renderMixin (Vue) {
	  Vue.prototype.$nextTick = function (fn) {
	    return nextTick(fn, this)
	  };
	
	  Vue.prototype._render = function () {
	    var vm = this;
	    var ref = vm.$options;
	    var render = ref.render;
	    var staticRenderFns = ref.staticRenderFns;
	    var _parentVnode = ref._parentVnode;
	
	    if (vm._isMounted) {
	      // clone slot nodes on re-renders
	      for (var key in vm.$slots) {
	        vm.$slots[key] = cloneVNodes(vm.$slots[key]);
	      }
	    }
	
	    if (_parentVnode && _parentVnode.data.scopedSlots) {
	      vm.$scopedSlots = _parentVnode.data.scopedSlots;
	    }
	
	    if (staticRenderFns && !vm._staticTrees) {
	      vm._staticTrees = [];
	    }
	    // set parent vnode. this allows render functions to have access
	    // to the data on the placeholder node.
	    vm.$vnode = _parentVnode;
	    // render self
	    var vnode;
	    try {
	      vnode = render.call(vm._renderProxy, vm.$createElement);
	    } catch (e) {
	      /* istanbul ignore else */
	      if (config.errorHandler) {
	        config.errorHandler.call(null, e, vm);
	      } else {
	        if (process.env.NODE_ENV !== 'production') {
	          warn(("Error when rendering " + (formatComponentName(vm)) + ":"));
	        }
	        throw e
	      }
	      // return previous vnode to prevent render error causing blank component
	      vnode = vm._vnode;
	    }
	    // return empty vnode in case the render function errored out
	    if (!(vnode instanceof VNode)) {
	      if (process.env.NODE_ENV !== 'production' && Array.isArray(vnode)) {
	        warn(
	          'Multiple root nodes returned from render function. Render function ' +
	          'should return a single root node.',
	          vm
	        );
	      }
	      vnode = createEmptyVNode();
	    }
	    // set parent
	    vnode.parent = _parentVnode;
	    return vnode
	  };
	
	  // toString for mustaches
	  Vue.prototype._s = _toString;
	  // convert text to vnode
	  Vue.prototype._v = createTextVNode;
	  // number conversion
	  Vue.prototype._n = toNumber;
	  // empty vnode
	  Vue.prototype._e = createEmptyVNode;
	  // loose equal
	  Vue.prototype._q = looseEqual;
	  // loose indexOf
	  Vue.prototype._i = looseIndexOf;
	
	  // render static tree by index
	  Vue.prototype._m = function renderStatic (
	    index,
	    isInFor
	  ) {
	    var tree = this._staticTrees[index];
	    // if has already-rendered static tree and not inside v-for,
	    // we can reuse the same tree by doing a shallow clone.
	    if (tree && !isInFor) {
	      return Array.isArray(tree)
	        ? cloneVNodes(tree)
	        : cloneVNode(tree)
	    }
	    // otherwise, render a fresh tree.
	    tree = this._staticTrees[index] = this.$options.staticRenderFns[index].call(this._renderProxy);
	    markStatic(tree, ("__static__" + index), false);
	    return tree
	  };
	
	  // mark node as static (v-once)
	  Vue.prototype._o = function markOnce (
	    tree,
	    index,
	    key
	  ) {
	    markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
	    return tree
	  };
	
	  function markStatic (tree, key, isOnce) {
	    if (Array.isArray(tree)) {
	      for (var i = 0; i < tree.length; i++) {
	        if (tree[i] && typeof tree[i] !== 'string') {
	          markStaticNode(tree[i], (key + "_" + i), isOnce);
	        }
	      }
	    } else {
	      markStaticNode(tree, key, isOnce);
	    }
	  }
	
	  function markStaticNode (node, key, isOnce) {
	    node.isStatic = true;
	    node.key = key;
	    node.isOnce = isOnce;
	  }
	
	  // filter resolution helper
	  Vue.prototype._f = function resolveFilter (id) {
	    return resolveAsset(this.$options, 'filters', id, true) || identity
	  };
	
	  // render v-for
	  Vue.prototype._l = function renderList (
	    val,
	    render
	  ) {
	    var ret, i, l, keys, key;
	    if (Array.isArray(val)) {
	      ret = new Array(val.length);
	      for (i = 0, l = val.length; i < l; i++) {
	        ret[i] = render(val[i], i);
	      }
	    } else if (typeof val === 'number') {
	      ret = new Array(val);
	      for (i = 0; i < val; i++) {
	        ret[i] = render(i + 1, i);
	      }
	    } else if (isObject(val)) {
	      keys = Object.keys(val);
	      ret = new Array(keys.length);
	      for (i = 0, l = keys.length; i < l; i++) {
	        key = keys[i];
	        ret[i] = render(val[key], key, i);
	      }
	    }
	    return ret
	  };
	
	  // renderSlot
	  Vue.prototype._t = function (
	    name,
	    fallback,
	    props
	  ) {
	    var scopedSlotFn = this.$scopedSlots[name];
	    if (scopedSlotFn) { // scoped slot
	      return scopedSlotFn(props || {}) || fallback
	    } else {
	      var slotNodes = this.$slots[name];
	      // warn duplicate slot usage
	      if (slotNodes && process.env.NODE_ENV !== 'production') {
	        slotNodes._rendered && warn(
	          "Duplicate presence of slot \"" + name + "\" found in the same render tree " +
	          "- this will likely cause render errors.",
	          this
	        );
	        slotNodes._rendered = true;
	      }
	      return slotNodes || fallback
	    }
	  };
	
	  // apply v-bind object
	  Vue.prototype._b = function bindProps (
	    data,
	    tag,
	    value,
	    asProp
	  ) {
	    if (value) {
	      if (!isObject(value)) {
	        process.env.NODE_ENV !== 'production' && warn(
	          'v-bind without argument expects an Object or Array value',
	          this
	        );
	      } else {
	        if (Array.isArray(value)) {
	          value = toObject(value);
	        }
	        for (var key in value) {
	          if (key === 'class' || key === 'style') {
	            data[key] = value[key];
	          } else {
	            var hash = asProp || config.mustUseProp(tag, key)
	              ? data.domProps || (data.domProps = {})
	              : data.attrs || (data.attrs = {});
	            hash[key] = value[key];
	          }
	        }
	      }
	    }
	    return data
	  };
	
	  // check v-on keyCodes
	  Vue.prototype._k = function checkKeyCodes (
	    eventKeyCode,
	    key,
	    builtInAlias
	  ) {
	    var keyCodes = config.keyCodes[key] || builtInAlias;
	    if (Array.isArray(keyCodes)) {
	      return keyCodes.indexOf(eventKeyCode) === -1
	    } else {
	      return keyCodes !== eventKeyCode
	    }
	  };
	}
	
	function resolveSlots (
	  children,
	  context
	) {
	  var slots = {};
	  if (!children) {
	    return slots
	  }
	  var defaultSlot = [];
	  var name, child;
	  for (var i = 0, l = children.length; i < l; i++) {
	    child = children[i];
	    // named slots should only be respected if the vnode was rendered in the
	    // same context.
	    if ((child.context === context || child.functionalContext === context) &&
	        child.data && (name = child.data.slot)) {
	      var slot = (slots[name] || (slots[name] = []));
	      if (child.tag === 'template') {
	        slot.push.apply(slot, child.children);
	      } else {
	        slot.push(child);
	      }
	    } else {
	      defaultSlot.push(child);
	    }
	  }
	  // ignore single whitespace
	  if (defaultSlot.length && !(
	    defaultSlot.length === 1 &&
	    (defaultSlot[0].text === ' ' || defaultSlot[0].isComment)
	  )) {
	    slots.default = defaultSlot;
	  }
	  return slots
	}
	
	/*  */
	
	function initEvents (vm) {
	  vm._events = Object.create(null);
	  // init parent attached events
	  var listeners = vm.$options._parentListeners;
	  var add = function (event, fn, once) {
	    once ? vm.$once(event, fn) : vm.$on(event, fn);
	  };
	  var remove$$1 = bind$1(vm.$off, vm);
	  vm._updateListeners = function (listeners, oldListeners) {
	    updateListeners(listeners, oldListeners || {}, add, remove$$1, vm);
	  };
	  if (listeners) {
	    vm._updateListeners(listeners);
	  }
	}
	
	function eventsMixin (Vue) {
	  Vue.prototype.$on = function (event, fn) {
	    var vm = this;(vm._events[event] || (vm._events[event] = [])).push(fn);
	    return vm
	  };
	
	  Vue.prototype.$once = function (event, fn) {
	    var vm = this;
	    function on () {
	      vm.$off(event, on);
	      fn.apply(vm, arguments);
	    }
	    on.fn = fn;
	    vm.$on(event, on);
	    return vm
	  };
	
	  Vue.prototype.$off = function (event, fn) {
	    var vm = this;
	    // all
	    if (!arguments.length) {
	      vm._events = Object.create(null);
	      return vm
	    }
	    // specific event
	    var cbs = vm._events[event];
	    if (!cbs) {
	      return vm
	    }
	    if (arguments.length === 1) {
	      vm._events[event] = null;
	      return vm
	    }
	    // specific handler
	    var cb;
	    var i = cbs.length;
	    while (i--) {
	      cb = cbs[i];
	      if (cb === fn || cb.fn === fn) {
	        cbs.splice(i, 1);
	        break
	      }
	    }
	    return vm
	  };
	
	  Vue.prototype.$emit = function (event) {
	    var vm = this;
	    var cbs = vm._events[event];
	    if (cbs) {
	      cbs = cbs.length > 1 ? toArray(cbs) : cbs;
	      var args = toArray(arguments, 1);
	      for (var i = 0, l = cbs.length; i < l; i++) {
	        cbs[i].apply(vm, args);
	      }
	    }
	    return vm
	  };
	}
	
	/*  */
	
	var uid = 0;
	
	function initMixin (Vue) {
	  Vue.prototype._init = function (options) {
	    var vm = this;
	    // a uid
	    vm._uid = uid++;
	    // a flag to avoid this being observed
	    vm._isVue = true;
	    // merge options
	    if (options && options._isComponent) {
	      // optimize internal component instantiation
	      // since dynamic options merging is pretty slow, and none of the
	      // internal component options needs special treatment.
	      initInternalComponent(vm, options);
	    } else {
	      vm.$options = mergeOptions(
	        resolveConstructorOptions(vm.constructor),
	        options || {},
	        vm
	      );
	    }
	    /* istanbul ignore else */
	    if (process.env.NODE_ENV !== 'production') {
	      initProxy(vm);
	    } else {
	      vm._renderProxy = vm;
	    }
	    // expose real self
	    vm._self = vm;
	    initLifecycle(vm);
	    initEvents(vm);
	    callHook(vm, 'beforeCreate');
	    initState(vm);
	    callHook(vm, 'created');
	    initRender(vm);
	  };
	}
	
	function initInternalComponent (vm, options) {
	  var opts = vm.$options = Object.create(vm.constructor.options);
	  // doing this because it's faster than dynamic enumeration.
	  opts.parent = options.parent;
	  opts.propsData = options.propsData;
	  opts._parentVnode = options._parentVnode;
	  opts._parentListeners = options._parentListeners;
	  opts._renderChildren = options._renderChildren;
	  opts._componentTag = options._componentTag;
	  opts._parentElm = options._parentElm;
	  opts._refElm = options._refElm;
	  if (options.render) {
	    opts.render = options.render;
	    opts.staticRenderFns = options.staticRenderFns;
	  }
	}
	
	function resolveConstructorOptions (Ctor) {
	  var options = Ctor.options;
	  if (Ctor.super) {
	    var superOptions = Ctor.super.options;
	    var cachedSuperOptions = Ctor.superOptions;
	    var extendOptions = Ctor.extendOptions;
	    if (superOptions !== cachedSuperOptions) {
	      // super option changed
	      Ctor.superOptions = superOptions;
	      extendOptions.render = options.render;
	      extendOptions.staticRenderFns = options.staticRenderFns;
	      extendOptions._scopeId = options._scopeId;
	      options = Ctor.options = mergeOptions(superOptions, extendOptions);
	      if (options.name) {
	        options.components[options.name] = Ctor;
	      }
	    }
	  }
	  return options
	}
	
	function Vue$2 (options) {
	  if (process.env.NODE_ENV !== 'production' &&
	    !(this instanceof Vue$2)) {
	    warn('Vue is a constructor and should be called with the `new` keyword');
	  }
	  this._init(options);
	}
	
	initMixin(Vue$2);
	stateMixin(Vue$2);
	eventsMixin(Vue$2);
	lifecycleMixin(Vue$2);
	renderMixin(Vue$2);
	
	/*  */
	
	function initUse (Vue) {
	  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
	  };
	}
	
	/*  */
	
	function initMixin$1 (Vue) {
	  Vue.mixin = function (mixin) {
	    this.options = mergeOptions(this.options, mixin);
	  };
	}
	
	/*  */
	
	function initExtend (Vue) {
	  /**
	   * Each instance constructor, including Vue, has a unique
	   * cid. This enables us to create wrapped "child
	   * constructors" for prototypal inheritance and cache them.
	   */
	  Vue.cid = 0;
	  var cid = 1;
	
	  /**
	   * Class inheritance
	   */
	  Vue.extend = function (extendOptions) {
	    extendOptions = extendOptions || {};
	    var Super = this;
	    var SuperId = Super.cid;
	    var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
	    if (cachedCtors[SuperId]) {
	      return cachedCtors[SuperId]
	    }
	    var name = extendOptions.name || Super.options.name;
	    if (process.env.NODE_ENV !== 'production') {
	      if (!/^[a-zA-Z][\w-]*$/.test(name)) {
	        warn(
	          'Invalid component name: "' + name + '". Component names ' +
	          'can only contain alphanumeric characters and the hyphen, ' +
	          'and must start with a letter.'
	        );
	      }
	    }
	    var Sub = function VueComponent (options) {
	      this._init(options);
	    };
	    Sub.prototype = Object.create(Super.prototype);
	    Sub.prototype.constructor = Sub;
	    Sub.cid = cid++;
	    Sub.options = mergeOptions(
	      Super.options,
	      extendOptions
	    );
	    Sub['super'] = Super;
	    // allow further extension/mixin/plugin usage
	    Sub.extend = Super.extend;
	    Sub.mixin = Super.mixin;
	    Sub.use = Super.use;
	    // create asset registers, so extended classes
	    // can have their private assets too.
	    config._assetTypes.forEach(function (type) {
	      Sub[type] = Super[type];
	    });
	    // enable recursive self-lookup
	    if (name) {
	      Sub.options.components[name] = Sub;
	    }
	    // keep a reference to the super options at extension time.
	    // later at instantiation we can check if Super's options have
	    // been updated.
	    Sub.superOptions = Super.options;
	    Sub.extendOptions = extendOptions;
	    // cache constructor
	    cachedCtors[SuperId] = Sub;
	    return Sub
	  };
	}
	
	/*  */
	
	function initAssetRegisters (Vue) {
	  /**
	   * Create asset registration methods.
	   */
	  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' && config.isReservedTag(id)) {
	            warn(
	              'Do not use built-in or reserved HTML elements as component ' +
	              'id: ' + id
	            );
	          }
	        }
	        if (type === 'component' && isPlainObject(definition)) {
	          definition.name = definition.name || id;
	          definition = this.options._base.extend(definition);
	        }
	        if (type === 'directive' && typeof definition === 'function') {
	          definition = { bind: definition, update: definition };
	        }
	        this.options[type + 's'][id] = definition;
	        return definition
	      }
	    };
	  });
	}
	
	/*  */
	
	var patternTypes = [String, RegExp];
	
	function matches (pattern, name) {
	  if (typeof pattern === 'string') {
	    return pattern.split(',').indexOf(name) > -1
	  } else {
	    return pattern.test(name)
	  }
	}
	
	var KeepAlive = {
	  name: 'keep-alive',
	  abstract: true,
	  props: {
	    include: patternTypes,
	    exclude: patternTypes
	  },
	  created: function created () {
	    this.cache = Object.create(null);
	  },
	  render: function render () {
	    var vnode = getFirstComponentChild(this.$slots.default);
	    if (vnode && vnode.componentOptions) {
	      var opts = vnode.componentOptions;
	      // check pattern
	      var name = opts.Ctor.options.name || opts.tag;
	      if (name && (
	        (this.include && !matches(this.include, name)) ||
	        (this.exclude && matches(this.exclude, name))
	      )) {
	        return vnode
	      }
	      var key = vnode.key == null
	        // same constructor may get registered as different local components
	        // so cid alone is not enough (#3269)
	        ? opts.Ctor.cid + (opts.tag ? ("::" + (opts.tag)) : '')
	        : vnode.key;
	      if (this.cache[key]) {
	        vnode.child = this.cache[key].child;
	      } else {
	        this.cache[key] = vnode;
	      }
	      vnode.data.keepAlive = true;
	    }
	    return vnode
	  },
	  destroyed: function destroyed () {
	    var this$1 = this;
	
	    for (var key in this.cache) {
	      var vnode = this$1.cache[key];
	      callHook(vnode.child, 'deactivated');
	      vnode.child.$destroy();
	    }
	  }
	};
	
	var builtInComponents = {
	  KeepAlive: KeepAlive
	};
	
	/*  */
	
	function initGlobalAPI (Vue) {
	  // config
	  var configDef = {};
	  configDef.get = function () { return config; };
	  if (process.env.NODE_ENV !== 'production') {
	    configDef.set = function () {
	      warn(
	        'Do not replace the Vue.config object, set individual fields instead.'
	      );
	    };
	  }
	  Object.defineProperty(Vue, 'config', configDef);
	  Vue.util = util;
	  Vue.set = set$1;
	  Vue.delete = del;
	  Vue.nextTick = nextTick;
	
	  Vue.options = Object.create(null);
	  config._assetTypes.forEach(function (type) {
	    Vue.options[type + 's'] = Object.create(null);
	  });
	
	  // this is used to identify the "base" constructor to extend all plain-object
	  // components with in Weex's multi-instance scenarios.
	  Vue.options._base = Vue;
	
	  extend(Vue.options.components, builtInComponents);
	
	  initUse(Vue);
	  initMixin$1(Vue);
	  initExtend(Vue);
	  initAssetRegisters(Vue);
	}
	
	initGlobalAPI(Vue$2);
	
	Object.defineProperty(Vue$2.prototype, '$isServer', {
	  get: isServerRendering
	});
	
	Vue$2.version = '2.1.6';
	
	/*  */
	
	// attributes that should be using props for binding
	var acceptValue = makeMap('input,textarea,option,select');
	var mustUseProp = function (tag, attr) {
	  return (
	    (attr === 'value' && acceptValue(tag)) ||
	    (attr === 'selected' && tag === 'option') ||
	    (attr === 'checked' && tag === 'input') ||
	    (attr === 'muted' && tag === 'video')
	  )
	};
	
	var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
	
	var isBooleanAttr = makeMap(
	  'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
	  'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
	  'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
	  'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
	  'required,reversed,scoped,seamless,selected,sortable,translate,' +
	  'truespeed,typemustmatch,visible'
	);
	
	var xlinkNS = 'http://www.w3.org/1999/xlink';
	
	var isXlink = function (name) {
	  return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
	};
	
	var getXlinkProp = function (name) {
	  return isXlink(name) ? name.slice(6, name.length) : ''
	};
	
	var isFalsyAttrValue = function (val) {
	  return val == null || val === false
	};
	
	/*  */
	
	function genClassForVnode (vnode) {
	  var data = vnode.data;
	  var parentNode = vnode;
	  var childNode = vnode;
	  while (childNode.child) {
	    childNode = childNode.child._vnode;
	    if (childNode.data) {
	      data = mergeClassData(childNode.data, data);
	    }
	  }
	  while ((parentNode = parentNode.parent)) {
	    if (parentNode.data) {
	      data = mergeClassData(data, parentNode.data);
	    }
	  }
	  return genClassFromData(data)
	}
	
	function mergeClassData (child, parent) {
	  return {
	    staticClass: concat(child.staticClass, parent.staticClass),
	    class: child.class
	      ? [child.class, parent.class]
	      : parent.class
	  }
	}
	
	function genClassFromData (data) {
	  var dynamicClass = data.class;
	  var staticClass = data.staticClass;
	  if (staticClass || dynamicClass) {
	    return concat(staticClass, stringifyClass(dynamicClass))
	  }
	  /* istanbul ignore next */
	  return ''
	}
	
	function concat (a, b) {
	  return a ? b ? (a + ' ' + b) : a : (b || '')
	}
	
	function stringifyClass (value) {
	  var res = '';
	  if (!value) {
	    return res
	  }
	  if (typeof value === 'string') {
	    return value
	  }
	  if (Array.isArray(value)) {
	    var stringified;
	    for (var i = 0, l = value.length; i < l; i++) {
	      if (value[i]) {
	        if ((stringified = stringifyClass(value[i]))) {
	          res += stringified + ' ';
	        }
	      }
	    }
	    return res.slice(0, -1)
	  }
	  if (isObject(value)) {
	    for (var key in value) {
	      if (value[key]) { res += key + ' '; }
	    }
	    return res.slice(0, -1)
	  }
	  /* istanbul ignore next */
	  return res
	}
	
	/*  */
	
	var namespaceMap = {
	  svg: 'http://www.w3.org/2000/svg',
	  math: 'http://www.w3.org/1998/Math/MathML',
	  xhtml: 'http://www.w3.org/1999/xhtml'
	};
	
	var isHTMLTag = makeMap(
	  'html,body,base,head,link,meta,style,title,' +
	  'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
	  'div,dd,dl,dt,figcaption,figure,hr,img,li,main,ol,p,pre,ul,' +
	  'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
	  's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
	  'embed,object,param,source,canvas,script,noscript,del,ins,' +
	  'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
	  'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
	  'output,progress,select,textarea,' +
	  'details,dialog,menu,menuitem,summary,' +
	  'content,element,shadow,template'
	);
	
	// this map is intentionally selective, only covering SVG elements that may
	// contain child elements.
	var isSVG = makeMap(
	  'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,' +
	  'font-face,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
	  'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
	  true
	);
	
	
	
	var isReservedTag = function (tag) {
	  return isHTMLTag(tag) || isSVG(tag)
	};
	
	function getTagNamespace (tag) {
	  if (isSVG(tag)) {
	    return 'svg'
	  }
	  // basic support for MathML
	  // note it doesn't support other MathML elements being component roots
	  if (tag === 'math') {
	    return 'math'
	  }
	}
	
	var unknownElementCache = Object.create(null);
	function isUnknownElement (tag) {
	  /* istanbul ignore if */
	  if (!inBrowser) {
	    return true
	  }
	  if (isReservedTag(tag)) {
	    return false
	  }
	  tag = tag.toLowerCase();
	  /* istanbul ignore if */
	  if (unknownElementCache[tag] != null) {
	    return unknownElementCache[tag]
	  }
	  var el = document.createElement(tag);
	  if (tag.indexOf('-') > -1) {
	    // http://stackoverflow.com/a/28210364/1070244
	    return (unknownElementCache[tag] = (
	      el.constructor === window.HTMLUnknownElement ||
	      el.constructor === window.HTMLElement
	    ))
	  } else {
	    return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))
	  }
	}
	
	/*  */
	
	/**
	 * Query an element selector if it's not an element already.
	 */
	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 document.createElement('div')
	    }
	  }
	  return el
	}
	
	/*  */
	
	function createElement$1 (tagName, vnode) {
	  var elm = document.createElement(tagName);
	  if (tagName !== 'select') {
	    return elm
	  }
	  if (vnode.data && vnode.data.attrs && 'multiple' in vnode.data.attrs) {
	    elm.setAttribute('multiple', 'multiple');
	  }
	  return elm
	}
	
	function createElementNS (namespace, tagName) {
	  return document.createElementNS(namespaceMap[namespace], tagName)
	}
	
	function createTextNode (text) {
	  return document.createTextNode(text)
	}
	
	function createComment (text) {
	  return document.createComment(text)
	}
	
	function insertBefore (parentNode, newNode, referenceNode) {
	  parentNode.insertBefore(newNode, referenceNode);
	}
	
	function removeChild (node, child) {
	  node.removeChild(child);
	}
	
	function appendChild (node, child) {
	  node.appendChild(child);
	}
	
	function parentNode (node) {
	  return node.parentNode
	}
	
	function nextSibling (node) {
	  return node.nextSibling
	}
	
	function tagName (node) {
	  return node.tagName
	}
	
	function setTextContent (node, text) {
	  node.textContent = text;
	}
	
	function setAttribute (node, key, val) {
	  node.setAttribute(key, val);
	}
	
	
	var nodeOps = Object.freeze({
		createElement: createElement$1,
		createElementNS: createElementNS,
		createTextNode: createTextNode,
		createComment: createComment,
		insertBefore: insertBefore,
		removeChild: removeChild,
		appendChild: appendChild,
		parentNode: parentNode,
		nextSibling: nextSibling,
		tagName: tagName,
		setTextContent: setTextContent,
		setAttribute: setAttribute
	});
	
	/*  */
	
	var ref = {
	  create: function create (_, vnode) {
	    registerRef(vnode);
	  },
	  update: function update (oldVnode, vnode) {
	    if (oldVnode.data.ref !== vnode.data.ref) {
	      registerRef(oldVnode, true);
	      registerRef(vnode);
	    }
	  },
	  destroy: function destroy (vnode) {
	    registerRef(vnode, true);
	  }
	};
	
	function registerRef (vnode, isRemoval) {
	  var key = vnode.data.ref;
	  if (!key) { return }
	
	  var vm = vnode.context;
	  var ref = vnode.child || vnode.elm;
	  var refs = vm.$refs;
	  if (isRemoval) {
	    if (Array.isArray(refs[key])) {
	      remove$1(refs[key], ref);
	    } else if (refs[key] === ref) {
	      refs[key] = undefined;
	    }
	  } else {
	    if (vnode.data.refInFor) {
	      if (Array.isArray(refs[key]) && refs[key].indexOf(ref) < 0) {
	        refs[key].push(ref);
	      } else {
	        refs[key] = [ref];
	      }
	    } else {
	      refs[key] = ref;
	    }
	  }
	}
	
	/**
	 * Virtual DOM patching algorithm based on Snabbdom by
	 * Simon Friis Vindum (@paldepind)
	 * Licensed under the MIT License
	 * https://github.com/paldepind/snabbdom/blob/master/LICENSE
	 *
	 * modified by Evan You (@yyx990803)
	 *
	
	/*
	 * Not type-checking this because this file is perf-critical and the cost
	 * of making flow understand it is not worth it.
	 */
	
	var emptyNode = new VNode('', {}, []);
	
	var hooks$1 = ['create', 'activate', 'update', 'remove', 'destroy'];
	
	function isUndef (s) {
	  return s == null
	}
	
	function isDef (s) {
	  return s != null
	}
	
	function sameVnode (vnode1, vnode2) {
	  return (
	    vnode1.key === vnode2.key &&
	    vnode1.tag === vnode2.tag &&
	    vnode1.isComment === vnode2.isComment &&
	    !vnode1.data === !vnode2.data
	  )
	}
	
	function createKeyToOldIdx (children, beginIdx, endIdx) {
	  var i, key;
	  var map = {};
	  for (i = beginIdx; i <= endIdx; ++i) {
	    key = children[i].key;
	    if (isDef(key)) { map[key] = i; }
	  }
	  return map
	}
	
	function createPatchFunction (backend) {
	  var i, j;
	  var cbs = {};
	
	  var modules = backend.modules;
	  var nodeOps = backend.nodeOps;
	
	  for (i = 0; i < hooks$1.length; ++i) {
	    cbs[hooks$1[i]] = [];
	    for (j = 0; j < modules.length; ++j) {
	      if (modules[j][hooks$1[i]] !== undefined) { cbs[hooks$1[i]].push(modules[j][hooks$1[i]]); }
	    }
	  }
	
	  function emptyNodeAt (elm) {
	    return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)
	  }
	
	  function createRmCb (childElm, listeners) {
	    function remove$$1 () {
	      if (--remove$$1.listeners === 0) {
	        removeElement(childElm);
	      }
	    }
	    remove$$1.listeners = listeners;
	    return remove$$1
	  }
	
	  function removeElement (el) {
	    var parent = nodeOps.parentNode(el);
	    // element may have already been removed due to v-html
	    if (parent) {
	      nodeOps.removeChild(parent, el);
	    }
	  }
	
	  var inPre = 0;
	  function createElm (vnode, insertedVnodeQueue, parentElm, refElm, nested) {
	    vnode.isRootInsert = !nested; // for transition enter check
	    if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
	      return
	    }
	
	    var data = vnode.data;
	    var children = vnode.children;
	    var tag = vnode.tag;
	    if (isDef(tag)) {
	      if (process.env.NODE_ENV !== 'production') {
	        if (data && data.pre) {
	          inPre++;
	        }
	        if (
	          !inPre &&
	          !vnode.ns &&
	          !(config.ignoredElements && config.ignoredElements.indexOf(tag) > -1) &&
	          config.isUnknownElement(tag)
	        ) {
	          warn(
	            'Unknown custom element: <' + tag + '> - did you ' +
	            'register the component correctly? For recursive components, ' +
	            'make sure to provide the "name" option.',
	            vnode.context
	          );
	        }
	      }
	      vnode.elm = vnode.ns
	        ? nodeOps.createElementNS(vnode.ns, tag)
	        : nodeOps.createElement(tag, vnode);
	      setScope(vnode);
	
	      /* istanbul ignore if */
	      {
	        createChildren(vnode, children, insertedVnodeQueue);
	        if (isDef(data)) {
	          invokeCreateHooks(vnode, insertedVnodeQueue);
	        }
	        insert(parentElm, vnode.elm, refElm);
	      }
	
	      if (process.env.NODE_ENV !== 'production' && data && data.pre) {
	        inPre--;
	      }
	    } else if (vnode.isComment) {
	      vnode.elm = nodeOps.createComment(vnode.text);
	      insert(parentElm, vnode.elm, refElm);
	    } else {
	      vnode.elm = nodeOps.createTextNode(vnode.text);
	      insert(parentElm, vnode.elm, refElm);
	    }
	  }
	
	  function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
	    var i = vnode.data;
	    if (isDef(i)) {
	      var isReactivated = isDef(vnode.child) && i.keepAlive;
	      if (isDef(i = i.hook) && isDef(i = i.init)) {
	        i(vnode, false /* hydrating */, parentElm, refElm);
	      }
	      // after calling the init hook, if the vnode is a child component
	      // it should've created a child instance and mounted it. the child
	      // component also has set the placeholder vnode's elm.
	      // in that case we can just return the element and be done.
	      if (isDef(vnode.child)) {
	        initComponent(vnode, insertedVnodeQueue);
	        if (isReactivated) {
	          reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
	        }
	        return true
	      }
	    }
	  }
	
	  function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
	    var i;
	    // hack for #4339: a reactivated component with inner transition
	    // does not trigger because the inner node's created hooks are not called
	    // again. It's not ideal to involve module-specific logic in here but
	    // there doesn't seem to be a better way to do it.
	    var innerNode = vnode;
	    while (innerNode.child) {
	      innerNode = innerNode.child._vnode;
	      if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
	        for (i = 0; i < cbs.activate.length; ++i) {
	          cbs.activate[i](emptyNode, innerNode);
	        }
	        insertedVnodeQueue.push(innerNode);
	        break
	      }
	    }
	    // unlike a newly created component,
	    // a reactivated keep-alive component doesn't insert itself
	    insert(parentElm, vnode.elm, refElm);
	  }
	
	  function insert (parent, elm, ref) {
	    if (parent) {
	      if (ref) {
	        nodeOps.insertBefore(parent, elm, ref);
	      } else {
	        nodeOps.appendChild(parent, elm);
	      }
	    }
	  }
	
	  function createChildren (vnode, children, insertedVnodeQueue) {
	    if (Array.isArray(children)) {
	      for (var i = 0; i < children.length; ++i) {
	        createElm(children[i], insertedVnodeQueue, vnode.elm, null, true);
	      }
	    } else if (isPrimitive(vnode.text)) {
	      nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(vnode.text));
	    }
	  }
	
	  function isPatchable (vnode) {
	    while (vnode.child) {
	      vnode = vnode.child._vnode;
	    }
	    return isDef(vnode.tag)
	  }
	
	  function invokeCreateHooks (vnode, insertedVnodeQueue) {
	    for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
	      cbs.create[i$1](emptyNode, vnode);
	    }
	    i = vnode.data.hook; // Reuse variable
	    if (isDef(i)) {
	      if (i.create) { i.create(emptyNode, vnode); }
	      if (i.insert) { insertedVnodeQueue.push(vnode); }
	    }
	  }
	
	  function initComponent (vnode, insertedVnodeQueue) {
	    if (vnode.data.pendingInsert) {
	      insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
	    }
	    vnode.elm = vnode.child.$el;
	    if (isPatchable(vnode)) {
	      invokeCreateHooks(vnode, insertedVnodeQueue);
	      setScope(vnode);
	    } else {
	      // empty component root.
	      // skip all element-related modules except for ref (#3455)
	      registerRef(vnode);
	      // make sure to invoke the insert hook
	      insertedVnodeQueue.push(vnode);
	    }
	  }
	
	  // set scope id attribute for scoped CSS.
	  // this is implemented as a special case to avoid the overhead
	  // of going through the normal attribute patching process.
	  function setScope (vnode) {
	    var i;
	    if (isDef(i = vnode.context) && isDef(i = i.$options._scopeId)) {
	      nodeOps.setAttribute(vnode.elm, i, '');
	    }
	    if (isDef(i = activeInstance) &&
	        i !== vnode.context &&
	        isDef(i = i.$options._scopeId)) {
	      nodeOps.setAttribute(vnode.elm, i, '');
	    }
	  }
	
	  function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
	    for (; startIdx <= endIdx; ++startIdx) {
	      createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm);
	    }
	  }
	
	  function invokeDestroyHook (vnode) {
	    var i, j;
	    var data = vnode.data;
	    if (isDef(data)) {
	      if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }
	      for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }
	    }
	    if (isDef(i = vnode.children)) {
	      for (j = 0; j < vnode.children.length; ++j) {
	        invokeDestroyHook(vnode.children[j]);
	      }
	    }
	  }
	
	  function removeVnodes (parentElm, vnodes, startIdx, endIdx) {
	    for (; startIdx <= endIdx; ++startIdx) {
	      var ch = vnodes[startIdx];
	      if (isDef(ch)) {
	        if (isDef(ch.tag)) {
	          removeAndInvokeRemoveHook(ch);
	          invokeDestroyHook(ch);
	        } else { // Text node
	          nodeOps.removeChild(parentElm, ch.elm);
	        }
	      }
	    }
	  }
	
	  function removeAndInvokeRemoveHook (vnode, rm) {
	    if (rm || isDef(vnode.data)) {
	      var listeners = cbs.remove.length + 1;
	      if (!rm) {
	        // directly removing
	        rm = createRmCb(vnode.elm, listeners);
	      } else {
	        // we have a recursively passed down rm callback
	        // increase the listeners count
	        rm.listeners += listeners;
	      }
	      // recursively invoke hooks on child component root node
	      if (isDef(i = vnode.child) && isDef(i = i._vnode) && isDef(i.data)) {
	        removeAndInvokeRemoveHook(i, rm);
	      }
	      for (i = 0; i < cbs.remove.length; ++i) {
	        cbs.remove[i](vnode, rm);
	      }
	      if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
	        i(vnode, rm);
	      } else {
	        rm();
	      }
	    } else {
	      removeElement(vnode.elm);
	    }
	  }
	
	  function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
	    var oldStartIdx = 0;
	    var newStartIdx = 0;
	    var oldEndIdx = oldCh.length - 1;
	    var oldStartVnode = oldCh[0];
	    var oldEndVnode = oldCh[oldEndIdx];
	    var newEndIdx = newCh.length - 1;
	    var newStartVnode = newCh[0];
	    var newEndVnode = newCh[newEndIdx];
	    var oldKeyToIdx, idxInOld, elmToMove, refElm;
	
	    // removeOnly is a special flag used only by <transition-group>
	    // to ensure removed elements stay in correct relative positions
	    // during leaving transitions
	    var canMove = !removeOnly;
	
	    while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
	      if (isUndef(oldStartVnode)) {
	        oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
	      } else if (isUndef(oldEndVnode)) {
	        oldEndVnode = oldCh[--oldEndIdx];
	      } else if (sameVnode(oldStartVnode, newStartVnode)) {
	        patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue);
	        oldStartVnode = oldCh[++oldStartIdx];
	        newStartVnode = newCh[++newStartIdx];
	      } else if (sameVnode(oldEndVnode, newEndVnode)) {
	        patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);
	        oldEndVnode = oldCh[--oldEndIdx];
	        newEndVnode = newCh[--newEndIdx];
	      } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
	        patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);
	        canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
	        oldStartVnode = oldCh[++oldStartIdx];
	        newEndVnode = newCh[--newEndIdx];
	      } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
	        patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue);
	        canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
	        oldEndVnode = oldCh[--oldEndIdx];
	        newStartVnode = newCh[++newStartIdx];
	      } else {
	        if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }
	        idxInOld = isDef(newStartVnode.key) ? oldKeyToIdx[newStartVnode.key] : null;
	        if (isUndef(idxInOld)) { // New element
	          createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);
	          newStartVnode = newCh[++newStartIdx];
	        } else {
	          elmToMove = oldCh[idxInOld];
	          /* istanbul ignore if */
	          if (process.env.NODE_ENV !== 'production' && !elmToMove) {
	            warn(
	              'It seems there are duplicate keys that is causing an update error. ' +
	              'Make sure each v-for item has a unique key.'
	            );
	          }
	          if (sameVnode(elmToMove, newStartVnode)) {
	            patchVnode(elmToMove, newStartVnode, insertedVnodeQueue);
	            oldCh[idxInOld] = undefined;
	            canMove && nodeOps.insertBefore(parentElm, newStartVnode.elm, oldStartVnode.elm);
	            newStartVnode = newCh[++newStartIdx];
	          } else {
	            // same key but different element. treat as new element
	            createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);
	            newStartVnode = newCh[++newStartIdx];
	          }
	        }
	      }
	    }
	    if (oldStartIdx > oldEndIdx) {
	      refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
	      addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
	    } else if (newStartIdx > newEndIdx) {
	      removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
	    }
	  }
	
	  function patchVnode (oldVnode, vnode, insertedVnodeQueue, removeOnly) {
	    if (oldVnode === vnode) {
	      return
	    }
	    // reuse element for static trees.
	    // note we only do this if the vnode is cloned -
	    // if the new node is not cloned it means the render functions have been
	    // reset by the hot-reload-api and we need to do a proper re-render.
	    if (vnode.isStatic &&
	        oldVnode.isStatic &&
	        vnode.key === oldVnode.key &&
	        (vnode.isCloned || vnode.isOnce)) {
	      vnode.elm = oldVnode.elm;
	      vnode.child = oldVnode.child;
	      return
	    }
	    var i;
	    var data = vnode.data;
	    var hasData = isDef(data);
	    if (hasData && isDef(i = data.hook) && isDef(i = i.prepatch)) {
	      i(oldVnode, vnode);
	    }
	    var elm = vnode.elm = oldVnode.elm;
	    var oldCh = oldVnode.children;
	    var ch = vnode.children;
	    if (hasData && isPatchable(vnode)) {
	      for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }
	      if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }
	    }
	    if (isUndef(vnode.text)) {
	      if (isDef(oldCh) && isDef(ch)) {
	        if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }
	      } else if (isDef(ch)) {
	        if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }
	        addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
	      } else if (isDef(oldCh)) {
	        removeVnodes(elm, oldCh, 0, oldCh.length - 1);
	      } else if (isDef(oldVnode.text)) {
	        nodeOps.setTextContent(elm, '');
	      }
	    } else if (oldVnode.text !== vnode.text) {
	      nodeOps.setTextContent(elm, vnode.text);
	    }
	    if (hasData) {
	      if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }
	    }
	  }
	
	  function invokeInsertHook (vnode, queue, initial) {
	    // delay insert hooks for component root nodes, invoke them after the
	    // element is really inserted
	    if (initial && vnode.parent) {
	      vnode.parent.data.pendingInsert = queue;
	    } else {
	      for (var i = 0; i < queue.length; ++i) {
	        queue[i].data.hook.insert(queue[i]);
	      }
	    }
	  }
	
	  var bailed = false;
	  // list of modules that can skip create hook during hydration because they
	  // are already rendered on the client or has no need for initialization
	  var isRenderedModule = makeMap('attrs,style,class,staticClass,staticStyle,key');
	
	  // Note: this is a browser-only function so we can assume elms are DOM nodes.
	  function hydrate (elm, vnode, insertedVnodeQueue) {
	    if (process.env.NODE_ENV !== 'production') {
	      if (!assertNodeMatch(elm, vnode)) {
	        return false
	      }
	    }
	    vnode.elm = elm;
	    var tag = vnode.tag;
	    var data = vnode.data;
	    var children = vnode.children;
	    if (isDef(data)) {
	      if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }
	      if (isDef(i = vnode.child)) {
	        // child component. it should have hydrated its own tree.
	        initComponent(vnode, insertedVnodeQueue);
	        return true
	      }
	    }
	    if (isDef(tag)) {
	      if (isDef(children)) {
	        // empty element, allow client to pick up and populate children
	        if (!elm.hasChildNodes()) {
	          createChildren(vnode, children, insertedVnodeQueue);
	        } else {
	          var childrenMatch = true;
	          var childNode = elm.firstChild;
	          for (var i$1 = 0; i$1 < children.length; i$1++) {
	            if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue)) {
	              childrenMatch = false;
	              break
	            }
	            childNode = childNode.nextSibling;
	          }
	          // if childNode is not null, it means the actual childNodes list is
	          // longer than the virtual children list.
	          if (!childrenMatch || childNode) {
	            if (process.env.NODE_ENV !== 'production' &&
	                typeof console !== 'undefined' &&
	                !bailed) {
	              bailed = true;
	              console.warn('Parent: ', elm);
	              console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
	            }
	            return false
	          }
	        }
	      }
	      if (isDef(data)) {
	        for (var key in data) {
	          if (!isRenderedModule(key)) {
	            invokeCreateHooks(vnode, insertedVnodeQueue);
	            break
	          }
	        }
	      }
	    }
	    return true
	  }
	
	  function assertNodeMatch (node, vnode) {
	    if (vnode.tag) {
	      return (
	        vnode.tag.indexOf('vue-component') === 0 ||
	        vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())
	      )
	    } else {
	      return _toString(vnode.text) === node.data
	    }
	  }
	
	  return function patch (oldVnode, vnode, hydrating, removeOnly, parentElm, refElm) {
	    if (!vnode) {
	      if (oldVnode) { invokeDestroyHook(oldVnode); }
	      return
	    }
	
	    var elm, parent;
	    var isInitialPatch = false;
	    var insertedVnodeQueue = [];
	
	    if (!oldVnode) {
	      // empty mount (likely as component), create new root element
	      isInitialPatch = true;
	      createElm(vnode, insertedVnodeQueue, parentElm, refElm);
	    } else {
	      var isRealElement = isDef(oldVnode.nodeType);
	      if (!isRealElement && sameVnode(oldVnode, vnode)) {
	        // patch existing root node
	        patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly);
	      } else {
	        if (isRealElement) {
	          // mounting to a real element
	          // check if this is server-rendered content and if we can perform
	          // a successful hydration.
	          if (oldVnode.nodeType === 1 && oldVnode.hasAttribute('server-rendered')) {
	            oldVnode.removeAttribute('server-rendered');
	            hydrating = true;
	          }
	          if (hydrating) {
	            if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
	              invokeInsertHook(vnode, insertedVnodeQueue, true);
	              return oldVnode
	            } else if (process.env.NODE_ENV !== 'production') {
	              warn(
	                'The client-side rendered virtual DOM tree is not matching ' +
	                'server-rendered content. This is likely caused by incorrect ' +
	                'HTML markup, for example nesting block-level elements inside ' +
	                '<p>, or missing <tbody>. Bailing hydration and performing ' +
	                'full client-side render.'
	              );
	            }
	          }
	          // either not server-rendered, or hydration failed.
	          // create an empty node and replace it
	          oldVnode = emptyNodeAt(oldVnode);
	        }
	
	        // replacing existing element
	        elm = oldVnode.elm;
	        parent = nodeOps.parentNode(elm);
	        createElm(vnode, insertedVnodeQueue, parent, nodeOps.nextSibling(elm));
	
	        if (vnode.parent) {
	          // component root element replaced.
	          // update parent placeholder node element, recursively
	          var ancestor = vnode.parent;
	          while (ancestor) {
	            ancestor.elm = vnode.elm;
	            ancestor = ancestor.parent;
	          }
	          if (isPatchable(vnode)) {
	            for (var i = 0; i < cbs.create.length; ++i) {
	              cbs.create[i](emptyNode, vnode.parent);
	            }
	          }
	        }
	
	        if (parent !== null) {
	          removeVnodes(parent, [oldVnode], 0, 0);
	        } else if (isDef(oldVnode.tag)) {
	          invokeDestroyHook(oldVnode);
	        }
	      }
	    }
	
	    invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
	    return vnode.elm
	  }
	}
	
	/*  */
	
	var directives = {
	  create: updateDirectives,
	  update: updateDirectives,
	  destroy: function unbindDirectives (vnode) {
	    updateDirectives(vnode, emptyNode);
	  }
	};
	
	function updateDirectives (oldVnode, vnode) {
	  if (oldVnode.data.directives || vnode.data.directives) {
	    _update(oldVnode, vnode);
	  }
	}
	
	function _update (oldVnode, vnode) {
	  var isCreate = oldVnode === emptyNode;
	  var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
	  var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);
	
	  var dirsWithInsert = [];
	  var dirsWithPostpatch = [];
	
	  var key, oldDir, dir;
	  for (key in newDirs) {
	    oldDir = oldDirs[key];
	    dir = newDirs[key];
	    if (!oldDir) {
	      // new directive, bind
	      callHook$1(dir, 'bind', vnode, oldVnode);
	      if (dir.def && dir.def.inserted) {
	        dirsWithInsert.push(dir);
	      }
	    } else {
	      // existing directive, update
	      dir.oldValue = oldDir.value;
	      callHook$1(dir, 'update', vnode, oldVnode);
	      if (dir.def && dir.def.componentUpdated) {
	        dirsWithPostpatch.push(dir);
	      }
	    }
	  }
	
	  if (dirsWithInsert.length) {
	    var callInsert = function () {
	      for (var i = 0; i < dirsWithInsert.length; i++) {
	        callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);
	      }
	    };
	    if (isCreate) {
	      mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', callInsert, 'dir-insert');
	    } else {
	      callInsert();
	    }
	  }
	
	  if (dirsWithPostpatch.length) {
	    mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'postpatch', function () {
	      for (var i = 0; i < dirsWithPostpatch.length; i++) {
	        callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
	      }
	    }, 'dir-postpatch');
	  }
	
	  if (!isCreate) {
	    for (key in oldDirs) {
	      if (!newDirs[key]) {
	        // no longer present, unbind
	        callHook$1(oldDirs[key], 'unbind', oldVnode);
	      }
	    }
	  }
	}
	
	var emptyModifiers = Object.create(null);
	
	function normalizeDirectives$1 (
	  dirs,
	  vm
	) {
	  var res = Object.create(null);
	  if (!dirs) {
	    return res
	  }
	  var i, dir;
	  for (i = 0; i < dirs.length; i++) {
	    dir = dirs[i];
	    if (!dir.modifiers) {
	      dir.modifiers = emptyModifiers;
	    }
	    res[getRawDirName(dir)] = dir;
	    dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
	  }
	  return res
	}
	
	function getRawDirName (dir) {
	  return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.')))
	}
	
	function callHook$1 (dir, hook, vnode, oldVnode) {
	  var fn = dir.def && dir.def[hook];
	  if (fn) {
	    fn(vnode.elm, dir, vnode, oldVnode);
	  }
	}
	
	var baseModules = [
	  ref,
	  directives
	];
	
	/*  */
	
	function updateAttrs (oldVnode, vnode) {
	  if (!oldVnode.data.attrs && !vnode.data.attrs) {
	    return
	  }
	  var key, cur, old;
	  var elm = vnode.elm;
	  var oldAttrs = oldVnode.data.attrs || {};
	  var attrs = vnode.data.attrs || {};
	  // clone observed objects, as the user probably wants to mutate it
	  if (attrs.__ob__) {
	    attrs = vnode.data.attrs = extend({}, attrs);
	  }
	
	  for (key in attrs) {
	    cur = attrs[key];
	    old = oldAttrs[key];
	    if (old !== cur) {
	      setAttr(elm, key, cur);
	    }
	  }
	  // #4391: in IE9, setting type can reset value for input[type=radio]
	  /* istanbul ignore if */
	  if (isIE9 && attrs.value !== oldAttrs.value) {
	    setAttr(elm, 'value', attrs.value);
	  }
	  for (key in oldAttrs) {
	    if (attrs[key] == null) {
	      if (isXlink(key)) {
	        elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
	      } else if (!isEnumeratedAttr(key)) {
	        elm.removeAttribute(key);
	      }
	    }
	  }
	}
	
	function setAttr (el, key, value) {
	  if (isBooleanAttr(key)) {
	    // set attribute for blank value
	    // e.g. <option disabled>Select one</option>
	    if (isFalsyAttrValue(value)) {
	      el.removeAttribute(key);
	    } else {
	      el.setAttribute(key, key);
	    }
	  } else if (isEnumeratedAttr(key)) {
	    el.setAttribute(key, isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true');
	  } else if (isXlink(key)) {
	    if (isFalsyAttrValue(value)) {
	      el.removeAttributeNS(xlinkNS, getXlinkProp(key));
	    } else {
	      el.setAttributeNS(xlinkNS, key, value);
	    }
	  } else {
	    if (isFalsyAttrValue(value)) {
	      el.removeAttribute(key);
	    } else {
	      el.setAttribute(key, value);
	    }
	  }
	}
	
	var attrs = {
	  create: updateAttrs,
	  update: updateAttrs
	};
	
	/*  */
	
	function updateClass (oldVnode, vnode) {
	  var el = vnode.elm;
	  var data = vnode.data;
	  var oldData = oldVnode.data;
	  if (!data.staticClass && !data.class &&
	      (!oldData || (!oldData.staticClass && !oldData.class))) {
	    return
	  }
	
	  var cls = genClassForVnode(vnode);
	
	  // handle transition classes
	  var transitionClass = el._transitionClasses;
	  if (transitionClass) {
	    cls = concat(cls, stringifyClass(transitionClass));
	  }
	
	  // set the class
	  if (cls !== el._prevClass) {
	    el.setAttribute('class', cls);
	    el._prevClass = cls;
	  }
	}
	
	var klass = {
	  create: updateClass,
	  update: updateClass
	};
	
	/*  */
	
	var target;
	
	function add$1 (event, handler, once, capture) {
	  if (once) {
	    var oldHandler = handler;
	    handler = function (ev) {
	      remove$2(event, handler, capture);
	      arguments.length === 1
	        ? oldHandler(ev)
	        : oldHandler.apply(null, arguments);
	    };
	  }
	  target.addEventListener(event, handler, capture);
	}
	
	function remove$2 (event, handler, capture) {
	  target.removeEventListener(event, handler, capture);
	}
	
	function updateDOMListeners (oldVnode, vnode) {
	  if (!oldVnode.data.on && !vnode.data.on) {
	    return
	  }
	  var on = vnode.data.on || {};
	  var oldOn = oldVnode.data.on || {};
	  target = vnode.elm;
	  updateListeners(on, oldOn, add$1, remove$2, vnode.context);
	}
	
	var events = {
	  create: updateDOMListeners,
	  update: updateDOMListeners
	};
	
	/*  */
	
	function updateDOMProps (oldVnode, vnode) {
	  if (!oldVnode.data.domProps && !vnode.data.domProps) {
	    return
	  }
	  var key, cur;
	  var elm = vnode.elm;
	  var oldProps = oldVnode.data.domProps || {};
	  var props = vnode.data.domProps || {};
	  // clone observed objects, as the user probably wants to mutate it
	  if (props.__ob__) {
	    props = vnode.data.domProps = extend({}, props);
	  }
	
	  for (key in oldProps) {
	    if (props[key] == null) {
	      elm[key] = '';
	    }
	  }
	  for (key in props) {
	    cur = props[key];
	    // ignore children if the node has textContent or innerHTML,
	    // as these will throw away existing DOM nodes and cause removal errors
	    // on subsequent patches (#3360)
	    if (key === 'textContent' || key === 'innerHTML') {
	      if (vnode.children) { vnode.children.length = 0; }
	      if (cur === oldProps[key]) { continue }
	    }
	    if (key === 'value') {
	      // store value as _value as well since
	      // non-string values will be stringified
	      elm._value = cur;
	      // avoid resetting cursor position when value is the same
	      var strCur = cur == null ? '' : String(cur);
	      if (!elm.composing && (
	        (document.activeElement !== elm && elm.value !== strCur) ||
	        isValueChanged(vnode, strCur)
	      )) {
	        elm.value = strCur;
	      }
	    } else {
	      elm[key] = cur;
	    }
	  }
	}
	
	function isValueChanged (vnode, newVal) {
	  var value = vnode.elm.value;
	  var modifiers = vnode.elm._vModifiers; // injected by v-model runtime
	  if ((modifiers && modifiers.number) || vnode.elm.type === 'number') {
	    return toNumber(value) !== toNumber(newVal)
	  }
	  if (modifiers && modifiers.trim) {
	    return value.trim() !== newVal.trim()
	  }
	  return value !== newVal
	}
	
	var domProps = {
	  create: updateDOMProps,
	  update: updateDOMProps
	};
	
	/*  */
	
	var parseStyleText = cached(function (cssText) {
	  var res = {};
	  var listDelimiter = /;(?![^(]*\))/g;
	  var propertyDelimiter = /:(.+)/;
	  cssText.split(listDelimiter).forEach(function (item) {
	    if (item) {
	      var tmp = item.split(propertyDelimiter);
	      tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
	    }
	  });
	  return res
	});
	
	// merge static and dynamic style data on the same vnode
	function normalizeStyleData (data) {
	  var style = normalizeStyleBinding(data.style);
	  // static style is pre-processed into an object during compilation
	  // and is always a fresh object, so it's safe to merge into it
	  return data.staticStyle
	    ? extend(data.staticStyle, style)
	    : style
	}
	
	// normalize possible array / string values into Object
	function normalizeStyleBinding (bindingStyle) {
	  if (Array.isArray(bindingStyle)) {
	    return toObject(bindingStyle)
	  }
	  if (typeof bindingStyle === 'string') {
	    return parseStyleText(bindingStyle)
	  }
	  return bindingStyle
	}
	
	/**
	 * parent component style should be after child's
	 * so that parent component's style could override it
	 */
	function getStyle (vnode, checkChild) {
	  var res = {};
	  var styleData;
	
	  if (checkChild) {
	    var childNode = vnode;
	    while (childNode.child) {
	      childNode = childNode.child._vnode;
	      if (childNode.data && (styleData = normalizeStyleData(childNode.data))) {
	        extend(res, styleData);
	      }
	    }
	  }
	
	  if ((styleData = normalizeStyleData(vnode.data))) {
	    extend(res, styleData);
	  }
	
	  var parentNode = vnode;
	  while ((parentNode = parentNode.parent)) {
	    if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
	      extend(res, styleData);
	    }
	  }
	  return res
	}
	
	/*  */
	
	var cssVarRE = /^--/;
	var importantRE = /\s*!important$/;
	var setProp = function (el, name, val) {
	  /* istanbul ignore if */
	  if (cssVarRE.test(name)) {
	    el.style.setProperty(name, val);
	  } else if (importantRE.test(val)) {
	    el.style.setProperty(name, val.replace(importantRE, ''), 'important');
	  } else {
	    el.style[normalize(name)] = val;
	  }
	};
	
	var prefixes = ['Webkit', 'Moz', 'ms'];
	
	var testEl;
	var normalize = cached(function (prop) {
	  testEl = testEl || document.createElement('div');
	  prop = camelize(prop);
	  if (prop !== 'filter' && (prop in testEl.style)) {
	    return prop
	  }
	  var upper = prop.charAt(0).toUpperCase() + prop.slice(1);
	  for (var i = 0; i < prefixes.length; i++) {
	    var prefixed = prefixes[i] + upper;
	    if (prefixed in testEl.style) {
	      return prefixed
	    }
	  }
	});
	
	function updateStyle (oldVnode, vnode) {
	  var data = vnode.data;
	  var oldData = oldVnode.data;
	
	  if (!data.staticStyle && !data.style &&
	      !oldData.staticStyle && !oldData.style) {
	    return
	  }
	
	  var cur, name;
	  var el = vnode.elm;
	  var oldStaticStyle = oldVnode.data.staticStyle;
	  var oldStyleBinding = oldVnode.data.style || {};
	
	  // if static style exists, stylebinding already merged into it when doing normalizeStyleData
	  var oldStyle = oldStaticStyle || oldStyleBinding;
	
	  var style = normalizeStyleBinding(vnode.data.style) || {};
	
	  vnode.data.style = style.__ob__ ? extend({}, style) : style;
	
	  var newStyle = getStyle(vnode, true);
	
	  for (name in oldStyle) {
	    if (newStyle[name] == null) {
	      setProp(el, name, '');
	    }
	  }
	  for (name in newStyle) {
	    cur = newStyle[name];
	    if (cur !== oldStyle[name]) {
	      // ie9 setting to null has no effect, must use empty string
	      setProp(el, name, cur == null ? '' : cur);
	    }
	  }
	}
	
	var style = {
	  create: updateStyle,
	  update: updateStyle
	};
	
	/*  */
	
	/**
	 * Add class with compatibility for SVG since classList is not supported on
	 * SVG elements in IE
	 */
	function addClass (el, cls) {
	  /* istanbul ignore if */
	  if (!cls || !cls.trim()) {
	    return
	  }
	
	  /* istanbul ignore else */
	  if (el.classList) {
	    if (cls.indexOf(' ') > -1) {
	      cls.split(/\s+/).forEach(function (c) { return el.classList.add(c); });
	    } else {
	      el.classList.add(cls);
	    }
	  } else {
	    var cur = ' ' + el.getAttribute('class') + ' ';
	    if (cur.indexOf(' ' + cls + ' ') < 0) {
	      el.setAttribute('class', (cur + cls).trim());
	    }
	  }
	}
	
	/**
	 * Remove class with compatibility for SVG since classList is not supported on
	 * SVG elements in IE
	 */
	function removeClass (el, cls) {
	  /* istanbul ignore if */
	  if (!cls || !cls.trim()) {
	    return
	  }
	
	  /* istanbul ignore else */
	  if (el.classList) {
	    if (cls.indexOf(' ') > -1) {
	      cls.split(/\s+/).forEach(function (c) { return el.classList.remove(c); });
	    } else {
	      el.classList.remove(cls);
	    }
	  } else {
	    var cur = ' ' + el.getAttribute('class') + ' ';
	    var tar = ' ' + cls + ' ';
	    while (cur.indexOf(tar) >= 0) {
	      cur = cur.replace(tar, ' ');
	    }
	    el.setAttribute('class', cur.trim());
	  }
	}
	
	/*  */
	
	var hasTransition = inBrowser && !isIE9;
	var TRANSITION = 'transition';
	var ANIMATION = 'animation';
	
	// Transition property/event sniffing
	var transitionProp = 'transition';
	var transitionEndEvent = 'transitionend';
	var animationProp = 'animation';
	var animationEndEvent = 'animationend';
	if (hasTransition) {
	  /* istanbul ignore if */
	  if (window.ontransitionend === undefined &&
	    window.onwebkittransitionend !== undefined) {
	    transitionProp = 'WebkitTransition';
	    transitionEndEvent = 'webkitTransitionEnd';
	  }
	  if (window.onanimationend === undefined &&
	    window.onwebkitanimationend !== undefined) {
	    animationProp = 'WebkitAnimation';
	    animationEndEvent = 'webkitAnimationEnd';
	  }
	}
	
	var raf = (inBrowser && window.requestAnimationFrame) || setTimeout;
	function nextFrame (fn) {
	  raf(function () {
	    raf(fn);
	  });
	}
	
	function addTransitionClass (el, cls) {
	  (el._transitionClasses || (el._transitionClasses = [])).push(cls);
	  addClass(el, cls);
	}
	
	function removeTransitionClass (el, cls) {
	  if (el._transitionClasses) {
	    remove$1(el._transitionClasses, cls);
	  }
	  removeClass(el, cls);
	}
	
	function whenTransitionEnds (
	  el,
	  expectedType,
	  cb
	) {
	  var ref = getTransitionInfo(el, expectedType);
	  var type = ref.type;
	  var timeout = ref.timeout;
	  var propCount = ref.propCount;
	  if (!type) { return cb() }
	  var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
	  var ended = 0;
	  var end = function () {
	    el.removeEventListener(event, onEnd);
	    cb();
	  };
	  var onEnd = function (e) {
	    if (e.target === el) {
	      if (++ended >= propCount) {
	        end();
	      }
	    }
	  };
	  setTimeout(function () {
	    if (ended < propCount) {
	      end();
	    }
	  }, timeout + 1);
	  el.addEventListener(event, onEnd);
	}
	
	var transformRE = /\b(transform|all)(,|$)/;
	
	function getTransitionInfo (el, expectedType) {
	  var styles = window.getComputedStyle(el);
	  var transitioneDelays = styles[transitionProp + 'Delay'].split(', ');
	  var transitionDurations = styles[transitionProp + 'Duration'].split(', ');
	  var transitionTimeout = getTimeout(transitioneDelays, transitionDurations);
	  var animationDelays = styles[animationProp + 'Delay'].split(', ');
	  var animationDurations = styles[animationProp + 'Duration'].split(', ');
	  var animationTimeout = getTimeout(animationDelays, animationDurations);
	
	  var type;
	  var timeout = 0;
	  var propCount = 0;
	  /* istanbul ignore if */
	  if (expectedType === TRANSITION) {
	    if (transitionTimeout > 0) {
	      type = TRANSITION;
	      timeout = transitionTimeout;
	      propCount = transitionDurations.length;
	    }
	  } else if (expectedType === ANIMATION) {
	    if (animationTimeout > 0) {
	      type = ANIMATION;
	      timeout = animationTimeout;
	      propCount = animationDurations.length;
	    }
	  } else {
	    timeout = Math.max(transitionTimeout, animationTimeout);
	    type = timeout > 0
	      ? transitionTimeout > animationTimeout
	        ? TRANSITION
	        : ANIMATION
	      : null;
	    propCount = type
	      ? type === TRANSITION
	        ? transitionDurations.length
	        : animationDurations.length
	      : 0;
	  }
	  var hasTransform =
	    type === TRANSITION &&
	    transformRE.test(styles[transitionProp + 'Property']);
	  return {
	    type: type,
	    timeout: timeout,
	    propCount: propCount,
	    hasTransform: hasTransform
	  }
	}
	
	function getTimeout (delays, durations) {
	  /* istanbul ignore next */
	  while (delays.length < durations.length) {
	    delays = delays.concat(delays);
	  }
	
	  return Math.max.apply(null, durations.map(function (d, i) {
	    return toMs(d) + toMs(delays[i])
	  }))
	}
	
	function toMs (s) {
	  return Number(s.slice(0, -1)) * 1000
	}
	
	/*  */
	
	function enter (vnode, toggleDisplay) {
	  var el = vnode.elm;
	
	  // call leave callback now
	  if (el._leaveCb) {
	    el._leaveCb.cancelled = true;
	    el._leaveCb();
	  }
	
	  var data = resolveTransition(vnode.data.transition);
	  if (!data) {
	    return
	  }
	
	  /* istanbul ignore if */
	  if (el._enterCb || el.nodeType !== 1) {
	    return
	  }
	
	  var css = data.css;
	  var type = data.type;
	  var enterClass = data.enterClass;
	  var enterActiveClass = data.enterActiveClass;
	  var appearClass = data.appearClass;
	  var appearActiveClass = data.appearActiveClass;
	  var beforeEnter = data.beforeEnter;
	  var enter = data.enter;
	  var afterEnter = data.afterEnter;
	  var enterCancelled = data.enterCancelled;
	  var beforeAppear = data.beforeAppear;
	  var appear = data.appear;
	  var afterAppear = data.afterAppear;
	  var appearCancelled = data.appearCancelled;
	
	  // activeInstance will always be the <transition> component managing this
	  // transition. One edge case to check is when the <transition> is placed
	  // as the root node of a child component. In that case we need to check
	  // <transition>'s parent for appear check.
	  var context = activeInstance;
	  var transitionNode = activeInstance.$vnode;
	  while (transitionNode && transitionNode.parent) {
	    transitionNode = transitionNode.parent;
	    context = transitionNode.context;
	  }
	
	  var isAppear = !context._isMounted || !vnode.isRootInsert;
	
	  if (isAppear && !appear && appear !== '') {
	    return
	  }
	
	  var startClass = isAppear ? appearClass : enterClass;
	  var activeClass = isAppear ? appearActiveClass : enterActiveClass;
	  var beforeEnterHook = isAppear ? (beforeAppear || beforeEnter) : beforeEnter;
	  var enterHook = isAppear ? (typeof appear === 'function' ? appear : enter) : enter;
	  var afterEnterHook = isAppear ? (afterAppear || afterEnter) : afterEnter;
	  var enterCancelledHook = isAppear ? (appearCancelled || enterCancelled) : enterCancelled;
	
	  var expectsCSS = css !== false && !isIE9;
	  var userWantsControl =
	    enterHook &&
	    // enterHook may be a bound method which exposes
	    // the length of original fn as _length
	    (enterHook._length || enterHook.length) > 1;
	
	  var cb = el._enterCb = once(function () {
	    if (expectsCSS) {
	      removeTransitionClass(el, activeClass);
	    }
	    if (cb.cancelled) {
	      if (expectsCSS) {
	        removeTransitionClass(el, startClass);
	      }
	      enterCancelledHook && enterCancelledHook(el);
	    } else {
	      afterEnterHook && afterEnterHook(el);
	    }
	    el._enterCb = null;
	  });
	
	  if (!vnode.data.show) {
	    // remove pending leave element on enter by injecting an insert hook
	    mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', function () {
	      var parent = el.parentNode;
	      var pendingNode = parent && parent._pending && parent._pending[vnode.key];
	      if (pendingNode &&
	          pendingNode.context === vnode.context &&
	          pendingNode.tag === vnode.tag &&
	          pendingNode.elm._leaveCb) {
	        pendingNode.elm._leaveCb();
	      }
	      enterHook && enterHook(el, cb);
	    }, 'transition-insert');
	  }
	
	  // start enter transition
	  beforeEnterHook && beforeEnterHook(el);
	  if (expectsCSS) {
	    addTransitionClass(el, startClass);
	    addTransitionClass(el, activeClass);
	    nextFrame(function () {
	      removeTransitionClass(el, startClass);
	      if (!cb.cancelled && !userWantsControl) {
	        whenTransitionEnds(el, type, cb);
	      }
	    });
	  }
	
	  if (vnode.data.show) {
	    toggleDisplay && toggleDisplay();
	    enterHook && enterHook(el, cb);
	  }
	
	  if (!expectsCSS && !userWantsControl) {
	    cb();
	  }
	}
	
	function leave (vnode, rm) {
	  var el = vnode.elm;
	
	  // call enter callback now
	  if (el._enterCb) {
	    el._enterCb.cancelled = true;
	    el._enterCb();
	  }
	
	  var data = resolveTransition(vnode.data.transition);
	  if (!data) {
	    return rm()
	  }
	
	  /* istanbul ignore if */
	  if (el._leaveCb || el.nodeType !== 1) {
	    return
	  }
	
	  var css = data.css;
	  var type = data.type;
	  var leaveClass = data.leaveClass;
	  var leaveActiveClass = data.leaveActiveClass;
	  var beforeLeave = data.beforeLeave;
	  var leave = data.leave;
	  var afterLeave = data.afterLeave;
	  var leaveCancelled = data.leaveCancelled;
	  var delayLeave = data.delayLeave;
	
	  var expectsCSS = css !== false && !isIE9;
	  var userWantsControl =
	    leave &&
	    // leave hook may be a bound method which exposes
	    // the length of original fn as _length
	    (leave._length || leave.length) > 1;
	
	  var cb = el._leaveCb = once(function () {
	    if (el.parentNode && el.parentNode._pending) {
	      el.parentNode._pending[vnode.key] = null;
	    }
	    if (expectsCSS) {
	      removeTransitionClass(el, leaveActiveClass);
	    }
	    if (cb.cancelled) {
	      if (expectsCSS) {
	        removeTransitionClass(el, leaveClass);
	      }
	      leaveCancelled && leaveCancelled(el);
	    } else {
	      rm();
	      afterLeave && afterLeave(el);
	    }
	    el._leaveCb = null;
	  });
	
	  if (delayLeave) {
	    delayLeave(performLeave);
	  } else {
	    performLeave();
	  }
	
	  function performLeave () {
	    // the delayed leave may have already been cancelled
	    if (cb.cancelled) {
	      return
	    }
	    // record leaving element
	    if (!vnode.data.show) {
	      (el.parentNode._pending || (el.parentNode._pending = {}))[vnode.key] = vnode;
	    }
	    beforeLeave && beforeLeave(el);
	    if (expectsCSS) {
	      addTransitionClass(el, leaveClass);
	      addTransitionClass(el, leaveActiveClass);
	      nextFrame(function () {
	        removeTransitionClass(el, leaveClass);
	        if (!cb.cancelled && !userWantsControl) {
	          whenTransitionEnds(el, type, cb);
	        }
	      });
	    }
	    leave && leave(el, cb);
	    if (!expectsCSS && !userWantsControl) {
	      cb();
	    }
	  }
	}
	
	function resolveTransition (def$$1) {
	  if (!def$$1) {
	    return
	  }
	  /* istanbul ignore else */
	  if (typeof def$$1 === 'object') {
	    var res = {};
	    if (def$$1.css !== false) {
	      extend(res, autoCssTransition(def$$1.name || 'v'));
	    }
	    extend(res, def$$1);
	    return res
	  } else if (typeof def$$1 === 'string') {
	    return autoCssTransition(def$$1)
	  }
	}
	
	var autoCssTransition = cached(function (name) {
	  return {
	    enterClass: (name + "-enter"),
	    leaveClass: (name + "-leave"),
	    appearClass: (name + "-enter"),
	    enterActiveClass: (name + "-enter-active"),
	    leaveActiveClass: (name + "-leave-active"),
	    appearActiveClass: (name + "-enter-active")
	  }
	});
	
	function once (fn) {
	  var called = false;
	  return function () {
	    if (!called) {
	      called = true;
	      fn();
	    }
	  }
	}
	
	function _enter (_, vnode) {
	  if (!vnode.data.show) {
	    enter(vnode);
	  }
	}
	
	var transition = inBrowser ? {
	  create: _enter,
	  activate: _enter,
	  remove: function remove (vnode, rm) {
	    /* istanbul ignore else */
	    if (!vnode.data.show) {
	      leave(vnode, rm);
	    } else {
	      rm();
	    }
	  }
	} : {};
	
	var platformModules = [
	  attrs,
	  klass,
	  events,
	  domProps,
	  style,
	  transition
	];
	
	/*  */
	
	// the directive module should be applied last, after all
	// built-in modules have been applied.
	var modules = platformModules.concat(baseModules);
	
	var patch$1 = createPatchFunction({ nodeOps: nodeOps, modules: modules });
	
	/**
	 * Not type checking this file because flow doesn't like attaching
	 * properties to Elements.
	 */
	
	var modelableTagRE = /^input|select|textarea|vue-component-[0-9]+(-[0-9a-zA-Z_-]*)?$/;
	
	/* istanbul ignore if */
	if (isIE9) {
	  // http://www.matts411.com/post/internet-explorer-9-oninput/
	  document.addEventListener('selectionchange', function () {
	    var el = document.activeElement;
	    if (el && el.vmodel) {
	      trigger(el, 'input');
	    }
	  });
	}
	
	var model = {
	  inserted: function inserted (el, binding, vnode) {
	    if (process.env.NODE_ENV !== 'production') {
	      if (!modelableTagRE.test(vnode.tag)) {
	        warn(
	          "v-model is not supported on element type: <" + (vnode.tag) + ">. " +
	          'If you are working with contenteditable, it\'s recommended to ' +
	          'wrap a library dedicated for that purpose inside a custom component.',
	          vnode.context
	        );
	      }
	    }
	    if (vnode.tag === 'select') {
	      var cb = function () {
	        setSelected(el, binding, vnode.context);
	      };
	      cb();
	      /* istanbul ignore if */
	      if (isIE || isEdge) {
	        setTimeout(cb, 0);
	      }
	    } else if (vnode.tag === 'textarea' || el.type === 'text') {
	      el._vModifiers = binding.modifiers;
	      if (!binding.modifiers.lazy) {
	        if (!isAndroid) {
	          el.addEventListener('compositionstart', onCompositionStart);
	          el.addEventListener('compositionend', onCompositionEnd);
	        }
	        /* istanbul ignore if */
	        if (isIE9) {
	          el.vmodel = true;
	        }
	      }
	    }
	  },
	  componentUpdated: function componentUpdated (el, binding, vnode) {
	    if (vnode.tag === 'select') {
	      setSelected(el, binding, vnode.context);
	      // in case the options rendered by v-for have changed,
	      // it's possible that the value is out-of-sync with the rendered options.
	      // detect such cases and filter out values that no longer has a matching
	      // option in the DOM.
	      var needReset = el.multiple
	        ? binding.value.some(function (v) { return hasNoMatchingOption(v, el.options); })
	        : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, el.options);
	      if (needReset) {
	        trigger(el, 'change');
	      }
	    }
	  }
	};
	
	function setSelected (el, binding, vm) {
	  var value = binding.value;
	  var isMultiple = el.multiple;
	  if (isMultiple && !Array.isArray(value)) {
	    process.env.NODE_ENV !== 'production' && warn(
	      "<select multiple v-model=\"" + (binding.expression) + "\"> " +
	      "expects an Array value for its binding, but got " + (Object.prototype.toString.call(value).slice(8, -1)),
	      vm
	    );
	    return
	  }
	  var selected, option;
	  for (var i = 0, l = el.options.length; i < l; i++) {
	    option = el.options[i];
	    if (isMultiple) {
	      selected = looseIndexOf(value, getValue(option)) > -1;
	      if (option.selected !== selected) {
	        option.selected = selected;
	      }
	    } else {
	      if (looseEqual(getValue(option), value)) {
	        if (el.selectedIndex !== i) {
	          el.selectedIndex = i;
	        }
	        return
	      }
	    }
	  }
	  if (!isMultiple) {
	    el.selectedIndex = -1;
	  }
	}
	
	function hasNoMatchingOption (value, options) {
	  for (var i = 0, l = options.length; i < l; i++) {
	    if (looseEqual(getValue(options[i]), value)) {
	      return false
	    }
	  }
	  return true
	}
	
	function getValue (option) {
	  return '_value' in option
	    ? option._value
	    : option.value
	}
	
	function onCompositionStart (e) {
	  e.target.composing = true;
	}
	
	function onCompositionEnd (e) {
	  e.target.composing = false;
	  trigger(e.target, 'input');
	}
	
	function trigger (el, type) {
	  var e = document.createEvent('HTMLEvents');
	  e.initEvent(type, true, true);
	  el.dispatchEvent(e);
	}
	
	/*  */
	
	// recursively search for possible transition defined inside the component root
	function locateNode (vnode) {
	  return vnode.child && (!vnode.data || !vnode.data.transition)
	    ? locateNode(vnode.child._vnode)
	    : vnode
	}
	
	var show = {
	  bind: function bind (el, ref, vnode) {
	    var value = ref.value;
	
	    vnode = locateNode(vnode);
	    var transition = vnode.data && vnode.data.transition;
	    var originalDisplay = el.__vOriginalDisplay =
	      el.style.display === 'none' ? '' : el.style.display;
	    if (value && transition && !isIE9) {
	      vnode.data.show = true;
	      enter(vnode, function () {
	        el.style.display = originalDisplay;
	      });
	    } else {
	      el.style.display = value ? originalDisplay : 'none';
	    }
	  },
	  update: function update (el, ref, vnode) {
	    var value = ref.value;
	    var oldValue = ref.oldValue;
	
	    /* istanbul ignore if */
	    if (value === oldValue) { return }
	    vnode = locateNode(vnode);
	    var transition = vnode.data && vnode.data.transition;
	    if (transition && !isIE9) {
	      vnode.data.show = true;
	      if (value) {
	        enter(vnode, function () {
	          el.style.display = el.__vOriginalDisplay;
	        });
	      } else {
	        leave(vnode, function () {
	          el.style.display = 'none';
	        });
	      }
	    } else {
	      el.style.display = value ? el.__vOriginalDisplay : 'none';
	    }
	  }
	};
	
	var platformDirectives = {
	  model: model,
	  show: show
	};
	
	/*  */
	
	// Provides transition support for a single element/component.
	// supports transition mode (out-in / in-out)
	
	var transitionProps = {
	  name: String,
	  appear: Boolean,
	  css: Boolean,
	  mode: String,
	  type: String,
	  enterClass: String,
	  leaveClass: String,
	  enterActiveClass: String,
	  leaveActiveClass: String,
	  appearClass: String,
	  appearActiveClass: String
	};
	
	// in case the child is also an abstract component, e.g. <keep-alive>
	// we want to recursively retrieve the real component to be rendered
	function getRealChild (vnode) {
	  var compOptions = vnode && vnode.componentOptions;
	  if (compOptions && compOptions.Ctor.options.abstract) {
	    return getRealChild(getFirstComponentChild(compOptions.children))
	  } else {
	    return vnode
	  }
	}
	
	function extractTransitionData (comp) {
	  var data = {};
	  var options = comp.$options;
	  // props
	  for (var key in options.propsData) {
	    data[key] = comp[key];
	  }
	  // events.
	  // extract listeners and pass them directly to the transition methods
	  var listeners = options._parentListeners;
	  for (var key$1 in listeners) {
	    data[camelize(key$1)] = listeners[key$1].fn;
	  }
	  return data
	}
	
	function placeholder (h, rawChild) {
	  return /\d-keep-alive$/.test(rawChild.tag)
	    ? h('keep-alive')
	    : null
	}
	
	function hasParentTransition (vnode) {
	  while ((vnode = vnode.parent)) {
	    if (vnode.data.transition) {
	      return true
	    }
	  }
	}
	
	var Transition = {
	  name: 'transition',
	  props: transitionProps,
	  abstract: true,
	  render: function render (h) {
	    var this$1 = this;
	
	    var children = this.$slots.default;
	    if (!children) {
	      return
	    }
	
	    // filter out text nodes (possible whitespaces)
	    children = children.filter(function (c) { return c.tag; });
	    /* istanbul ignore if */
	    if (!children.length) {
	      return
	    }
	
	    // warn multiple elements
	    if (process.env.NODE_ENV !== 'production' && children.length > 1) {
	      warn(
	        '<transition> can only be used on a single element. Use ' +
	        '<transition-group> for lists.',
	        this.$parent
	      );
	    }
	
	    var mode = this.mode;
	
	    // warn invalid mode
	    if (process.env.NODE_ENV !== 'production' &&
	        mode && mode !== 'in-out' && mode !== 'out-in') {
	      warn(
	        'invalid <transition> mode: ' + mode,
	        this.$parent
	      );
	    }
	
	    var rawChild = children[0];
	
	    // if this is a component root node and the component's
	    // parent container node also has transition, skip.
	    if (hasParentTransition(this.$vnode)) {
	      return rawChild
	    }
	
	    // apply transition data to child
	    // use getRealChild() to ignore abstract components e.g. keep-alive
	    var child = getRealChild(rawChild);
	    /* istanbul ignore if */
	    if (!child) {
	      return rawChild
	    }
	
	    if (this._leaving) {
	      return placeholder(h, rawChild)
	    }
	
	    var key = child.key = child.key == null || child.isStatic
	      ? ("__v" + (child.tag + this._uid) + "__")
	      : child.key;
	    var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
	    var oldRawChild = this._vnode;
	    var oldChild = getRealChild(oldRawChild);
	
	    // mark v-show
	    // so that the transition module can hand over the control to the directive
	    if (child.data.directives && child.data.directives.some(function (d) { return d.name === 'show'; })) {
	      child.data.show = true;
	    }
	
	    if (oldChild && oldChild.data && oldChild.key !== key) {
	      // replace old child transition data with fresh one
	      // important for dynamic transitions!
	      var oldData = oldChild.data.transition = extend({}, data);
	
	      // handle transition mode
	      if (mode === 'out-in') {
	        // return placeholder node and queue update when leave finishes
	        this._leaving = true;
	        mergeVNodeHook(oldData, 'afterLeave', function () {
	          this$1._leaving = false;
	          this$1.$forceUpdate();
	        }, key);
	        return placeholder(h, rawChild)
	      } else if (mode === 'in-out') {
	        var delayedLeave;
	        var performLeave = function () { delayedLeave(); };
	        mergeVNodeHook(data, 'afterEnter', performLeave, key);
	        mergeVNodeHook(data, 'enterCancelled', performLeave, key);
	        mergeVNodeHook(oldData, 'delayLeave', function (leave) {
	          delayedLeave = leave;
	        }, key);
	      }
	    }
	
	    return rawChild
	  }
	};
	
	/*  */
	
	// Provides transition support for list items.
	// supports move transitions using the FLIP technique.
	
	// Because the vdom's children update algorithm is "unstable" - i.e.
	// it doesn't guarantee the relative positioning of removed elements,
	// we force transition-group to update its children into two passes:
	// in the first pass, we remove all nodes that need to be removed,
	// triggering their leaving transition; in the second pass, we insert/move
	// into the final disired state. This way in the second pass removed
	// nodes will remain where they should be.
	
	var props = extend({
	  tag: String,
	  moveClass: String
	}, transitionProps);
	
	delete props.mode;
	
	var TransitionGroup = {
	  props: props,
	
	  render: function render (h) {
	    var tag = this.tag || this.$vnode.data.tag || 'span';
	    var map = Object.create(null);
	    var prevChildren = this.prevChildren = this.children;
	    var rawChildren = this.$slots.default || [];
	    var children = this.children = [];
	    var transitionData = extractTransitionData(this);
	
	    for (var i = 0; i < rawChildren.length; i++) {
	      var c = rawChildren[i];
	      if (c.tag) {
	        if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
	          children.push(c);
	          map[c.key] = c
	          ;(c.data || (c.data = {})).transition = transitionData;
	        } else if (process.env.NODE_ENV !== 'production') {
	          var opts = c.componentOptions;
	          var name = opts
	            ? (opts.Ctor.options.name || opts.tag)
	            : c.tag;
	          warn(("<transition-group> children must be keyed: <" + name + ">"));
	        }
	      }
	    }
	
	    if (prevChildren) {
	      var kept = [];
	      var removed = [];
	      for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {
	        var c$1 = prevChildren[i$1];
	        c$1.data.transition = transitionData;
	        c$1.data.pos = c$1.elm.getBoundingClientRect();
	        if (map[c$1.key]) {
	          kept.push(c$1);
	        } else {
	          removed.push(c$1);
	        }
	      }
	      this.kept = h(tag, null, kept);
	      this.removed = removed;
	    }
	
	    return h(tag, null, children)
	  },
	
	  beforeUpdate: function beforeUpdate () {
	    // force removing pass
	    this.__patch__(
	      this._vnode,
	      this.kept,
	      false, // hydrating
	      true // removeOnly (!important, avoids unnecessary moves)
	    );
	    this._vnode = this.kept;
	  },
	
	  updated: function updated () {
	    var children = this.prevChildren;
	    var moveClass = this.moveClass || ((this.name || 'v') + '-move');
	    if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
	      return
	    }
	
	    // we divide the work into three loops to avoid mixing DOM reads and writes
	    // in each iteration - which helps prevent layout thrashing.
	    children.forEach(callPendingCbs);
	    children.forEach(recordPosition);
	    children.forEach(applyTranslation);
	
	    // force reflow to put everything in position
	    var f = document.body.offsetHeight; // eslint-disable-line
	
	    children.forEach(function (c) {
	      if (c.data.moved) {
	        var el = c.elm;
	        var s = el.style;
	        addTransitionClass(el, moveClass);
	        s.transform = s.WebkitTransform = s.transitionDuration = '';
	        el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {
	          if (!e || /transform$/.test(e.propertyName)) {
	            el.removeEventListener(transitionEndEvent, cb);
	            el._moveCb = null;
	            removeTransitionClass(el, moveClass);
	          }
	        });
	      }
	    });
	  },
	
	  methods: {
	    hasMove: function hasMove (el, moveClass) {
	      /* istanbul ignore if */
	      if (!hasTransition) {
	        return false
	      }
	      if (this._hasMove != null) {
	        return this._hasMove
	      }
	      addTransitionClass(el, moveClass);
	      var info = getTransitionInfo(el);
	      removeTransitionClass(el, moveClass);
	      return (this._hasMove = info.hasTransform)
	    }
	  }
	};
	
	function callPendingCbs (c) {
	  /* istanbul ignore if */
	  if (c.elm._moveCb) {
	    c.elm._moveCb();
	  }
	  /* istanbul ignore if */
	  if (c.elm._enterCb) {
	    c.elm._enterCb();
	  }
	}
	
	function recordPosition (c) {
	  c.data.newPos = c.elm.getBoundingClientRect();
	}
	
	function applyTranslation (c) {
	  var oldPos = c.data.pos;
	  var newPos = c.data.newPos;
	  var dx = oldPos.left - newPos.left;
	  var dy = oldPos.top - newPos.top;
	  if (dx || dy) {
	    c.data.moved = true;
	    var s = c.elm.style;
	    s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)";
	    s.transitionDuration = '0s';
	  }
	}
	
	var platformComponents = {
	  Transition: Transition,
	  TransitionGroup: TransitionGroup
	};
	
	/*  */
	
	// install platform specific utils
	Vue$2.config.isUnknownElement = isUnknownElement;
	Vue$2.config.isReservedTag = isReservedTag;
	Vue$2.config.getTagNamespace = getTagNamespace;
	Vue$2.config.mustUseProp = mustUseProp;
	
	// install platform runtime directives & components
	extend(Vue$2.options.directives, platformDirectives);
	extend(Vue$2.options.components, platformComponents);
	
	// install platform patch function
	Vue$2.prototype.__patch__ = inBrowser ? patch$1 : noop;
	
	// wrap mount
	Vue$2.prototype.$mount = function (
	  el,
	  hydrating
	) {
	  el = el && inBrowser ? query(el) : undefined;
	  return this._mount(el, hydrating)
	};
	
	// devtools global hook
	/* istanbul ignore next */
	setTimeout(function () {
	  if (config.devtools) {
	    if (devtools) {
	      devtools.emit('init', Vue$2);
	    } else if (
	      process.env.NODE_ENV !== 'production' &&
	      inBrowser && !isEdge && /Chrome\/\d+/.test(window.navigator.userAgent)
	    ) {
	      console.log(
	        'Download the Vue Devtools for a better development experience:\n' +
	        'https://github.com/vuejs/vue-devtools'
	      );
	    }
	  }
	}, 0);
	
	module.exports = Vue$2;
	
	/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(8), (function() { return this; }())))

/***/ },

/***/ 8:
/***/ function(module, exports) {

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


/***/ },

/***/ 31:
/***/ function(module, exports, __webpack_require__) {

	'use strict';
	
	Object.defineProperty(exports, "__esModule", {
	  value: true
	});
	exports.default = install;
	
	var _mdButtonToggle = __webpack_require__(32);
	
	var _mdButtonToggle2 = _interopRequireDefault(_mdButtonToggle);
	
	var _mdButtonToggle3 = __webpack_require__(36);
	
	var _mdButtonToggle4 = _interopRequireDefault(_mdButtonToggle3);
	
	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
	
	function install(Vue) {
	  Vue.component('md-button-toggle', Vue.extend(_mdButtonToggle2.default));
	
	  Vue.material.styles.push(_mdButtonToggle4.default);
	}
	module.exports = exports['default'];

/***/ },

/***/ 32:
/***/ function(module, exports, __webpack_require__) {

	var __vue_exports__, __vue_options__
	var __vue_styles__ = {}
	
	/* styles */
	__webpack_require__(33)
	
	/* script */
	__vue_exports__ = __webpack_require__(34)
	
	/* template */
	var __vue_template__ = __webpack_require__(35)
	__vue_options__ = __vue_exports__ = __vue_exports__ || {}
	if (
	  typeof __vue_exports__.default === "object" ||
	  typeof __vue_exports__.default === "function"
	) {
	if (Object.keys(__vue_exports__).some(function (key) { return key !== "default" && key !== "__esModule" })) {console.error("named exports are not supported in *.vue files.")}
	__vue_options__ = __vue_exports__ = __vue_exports__.default
	}
	if (typeof __vue_options__ === "function") {
	  __vue_options__ = __vue_options__.options
	}
	__vue_options__.__file = "/Users/marcosmoura/Projects/github/vue-material/src/components/mdButtonToggle/mdButtonToggle.vue"
	__vue_options__.render = __vue_template__.render
	__vue_options__.staticRenderFns = __vue_template__.staticRenderFns
	
	/* hot reload */
	if (false) {(function () {
	  var hotAPI = require("vue-hot-reload-api")
	  hotAPI.install(require("vue"), false)
	  if (!hotAPI.compatible) return
	  module.hot.accept()
	  if (!module.hot.data) {
	    hotAPI.createRecord("data-v-106cf22d", __vue_options__)
	  } else {
	    hotAPI.reload("data-v-106cf22d", __vue_options__)
	  }
	})()}
	if (__vue_options__.functional) {console.error("[vue-loader] mdButtonToggle.vue: functional components are not supported and should be defined in plain js files using render functions.")}
	
	module.exports = __vue_exports__


/***/ },

/***/ 33:
/***/ function(module, exports) {

	// removed by extract-text-webpack-plugin

/***/ },

/***/ 34:
/***/ function(module, exports, __webpack_require__) {

	'use strict';
	
	Object.defineProperty(exports, "__esModule", {
	  value: true
	});
	
	var _mixin = __webpack_require__(6);
	
	var _mixin2 = _interopRequireDefault(_mixin);
	
	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
	
	var onClickButton = void 0; //
	//
	//
	//
	//
	//
	//
	//
	
	exports.default = {
	  props: {
	    mdSingle: Boolean
	  },
	  mixins: [_mixin2.default],
	  mounted: function mounted() {
	    var _this = this;
	
	    this.$children.forEach(function (child) {
	      var element = child.$el;
	      var toggleClass = 'md-toggle';
	
	      onClickButton = function onClickButton() {
	        if (_this.mdSingle) {
	          _this.$children.forEach(function (child) {
	            child.$el.classList.remove(toggleClass);
	          });
	
	          element.classList.add(toggleClass);
	        } else {
	          element.classList.toggle(toggleClass);
	        }
	      };
	
	      if (element && element.classList.contains('md-button')) {
	        element.addEventListener('click', onClickButton);
	      }
	    });
	  },
	  beforeDestroy: function beforeDestroy() {
	    this.$children.forEach(function (child) {
	      var element = child.$el;
	
	      if (element && element.classList.contains('md-button')) {
	        element.removeEventListener('click', onClickButton);
	      }
	    });
	  }
	};
	module.exports = exports['default'];

/***/ },

/***/ 35:
/***/ function(module, exports, __webpack_require__) {

	module.exports={render:function (){var _vm=this;var _h=_vm.$createElement;var _c=_vm._c;
	  return _c('div', {
	    staticClass: "md-button-toggle",
	    class: [_vm.themeClass]
	  }, [_vm._t("default")], true)
	},staticRenderFns: []}
	module.exports.render._withStripped = true
	if (false) {
	  module.hot.accept()
	  if (module.hot.data) {
	     require("vue-hot-reload-api").rerender("data-v-106cf22d", module.exports)
	  }
	}

/***/ },

/***/ 36:
/***/ function(module, exports) {

	module.exports = ".THEME_NAME.md-button-toggle .md-button:after {\n  width: 1px;\n  position: absolute;\n  top: 0;\n  bottom: 0;\n  left: 0;\n  content: \" \"; }\n\n.THEME_NAME.md-button-toggle .md-toggle {\n  color: BACKGROUND-CONTRAST-600;\n  background-color: BACKGROUND-COLOR-500; }\n  .THEME_NAME.md-button-toggle .md-toggle:hover:not([disabled]) {\n    background-color: BACKGROUND-COLOR-600; }\n  .THEME_NAME.md-button-toggle .md-toggle + .md-toggle:after {\n    background-color: BACKGROUND-COLOR-600; }\n\n.THEME_NAME.md-button-toggle.md-primary .md-toggle {\n  color: PRIMARY-CONTRAST;\n  background-color: PRIMARY-COLOR; }\n  .THEME_NAME.md-button-toggle.md-primary .md-toggle:hover:not([disabled]) {\n    background-color: PRIMARY-COLOR-600; }\n  .THEME_NAME.md-button-toggle.md-primary .md-toggle + .md-toggle:after {\n    background-color: PRIMARY-COLOR-700; }\n\n.THEME_NAME.md-button-toggle.md-accent .md-toggle {\n  color: ACCENT-CONTRAST;\n  background-color: ACCENT-COLOR; }\n  .THEME_NAME.md-button-toggle.md-accent .md-toggle:hover:not([disabled]) {\n    background-color: ACCENT-COLOR-600; }\n  .THEME_NAME.md-button-toggle.md-accent .md-toggle + .md-toggle:after {\n    background-color: ACCENT-COLOR-700; }\n\n.THEME_NAME.md-button-toggle.md-warn .md-toggle {\n  color: WARN-CONTRAST;\n  background-color: WARN-COLOR; }\n  .THEME_NAME.md-button-toggle.md-warn .md-toggle:hover:not([disabled]) {\n    background-color: WARN-COLOR-600; }\n  .THEME_NAME.md-button-toggle.md-warn .md-toggle + .md-toggle:after {\n    background-color: WARN-COLOR-700; }\n\n.THEME_NAME.md-button-toggle [disabled] {\n  color: rgba(0, 0, 0, 0.26); }\n  .THEME_NAME.md-button-toggle [disabled].md-toggle {\n    color: BACKGROUND-CONTRAST-0.2;\n    background-color: rgba(0, 0, 0, 0.26); }\n"

/***/ }

/******/ })
});
;
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