vue2.0.js

/*!
 * Vue.js v2.0.1
 * (c) 2014-2016 Evan You
 * Released under the MIT License.
 */
(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
		typeof define === 'function' && define.amd ? define(factory) :
			(global.Vue = factory());
}(this, (function () { '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; }
	
	/**
	 * 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: "development" !== '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,
		
		/**
		 * 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,
		
		/**
		 * Server rendering?
		 */
		_isServer: "client" === 'server'
	}
	
	/*  */
	
	/**
	 * 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' &&
			Object.prototype.toString.call(window) !== '[object Object]'
	
	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)

// 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()
			timerFunc = function () {
				p.then(nextTickHandler)
				// 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 = setTimeout
		}
		
		return function queueNextTick (cb, ctx) {
			var func = ctx
				? function () { cb.call(ctx) }
				: cb
			callbacks.push(func)
			if (!pending) {
				pending = true
				timerFunc(nextTickHandler, 0)
			}
		}
	})()
	
	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] !== undefined
			};
			Set.prototype.add = function add (key) {
				this.set[key] = 1
			};
			Set.prototype.clear = function clear () {
				this.set = Object.create(null)
			};
			
			return Set;
		}())
	}
	
	/* not type checking this file because flow doesn't play well with Proxy */
	
	var hasProxy;
	var proxyHandlers;
	var initProxy
	
	{
		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
		)
		
		hasProxy =
			typeof Proxy !== 'undefined' &&
			Proxy.toString().match(/native code/)
		
		proxyHandlers = {
			has: function has (target, key) {
				var has = key in target
				var isAllowed = allowedGlobals(key) || key.charAt(0) === '_'
				if (!has && !isAllowed) {
					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
					)
				}
				return has || !isAllowed
			}
		}
		
		initProxy = function initProxy (vm) {
			if (hasProxy) {
				vm._renderProxy = new Proxy(vm, proxyHandlers)
			} else {
				vm._renderProxy = vm
			}
		}
	}
	
	/*  */
	
	
	var uid$2 = 0
	
	/**
	 * A dep is an observable that can have multiple
	 * directives subscribing to it.
	 */
	var Dep = function Dep () {
		this.id = uid$2++
		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()
	}
	
	/*  */
	
	
	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 = {}
		{
			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 ("development" !== '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$1 = 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$1 // 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 () {}
				"development" !== '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) {
						"development" !== 'production' && warn(
							("Error in watcher \"" + (this.expression) + "\""),
							this.vm
						)
						/* istanbul ignore else */
						if (config.errorHandler) {
							config.errorHandler.call(null, e, this.vm)
						} else {
							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' subcriber 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, seen) {
		var i, keys
		if (!seen) {
			seen = seenObjects
			seen.clear()
		}
		var isA = Array.isArray(val)
		var isO = isObject(val)
		if ((isA || isO) && Object.isExtensible(val)) {
			if (val.__ob__) {
				var depId = val.__ob__.dep.id
				if (seen.has(depId)) {
					return
				} else {
					seen.add(depId)
				}
			}
			if (isA) {
				i = val.length
				while (i--) { traverse(val[i], seen) }
			} else if (isO) {
				keys = Object.keys(val)
				i = keys.length
				while (i--) { traverse(val[keys[i]], seen) }
			}
		}
	}
	
	/*
	 * 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 &&
			!config._isServer &&
			(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)) {
						for (var e = void 0, i = 0, l = value.length; i < l; i++) {
							e = value[i]
							e && e.__ob__ && e.__ob__.dep.depend()
						}
					}
				}
				return value
			},
			set: function reactiveSetter (newVal) {
				var value = getter ? getter.call(obj) : val
				if (newVal === value) {
					return
				}
				if ("development" !== '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 (obj, key, val) {
		if (Array.isArray(obj)) {
			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)) {
			"development" !== '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)) {
			"development" !== '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()
	}
	
	/*  */
	
	function initState (vm) {
		vm._watchers = []
		initProps(vm)
		initData(vm)
		initComputed(vm)
		initMethods(vm)
		initWatch(vm)
	}
	
	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 */
				{
					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
							)
						}
					})
				}
			};
			
			for (var i = 0; i < keys.length; i++) loop( i );
			observerState.shouldConvert = true
		}
	}
	
	function initData (vm) {
		var data = vm.$options.data
		data = vm._data = typeof data === 'function'
			? data.call(vm)
			: data || {}
		if (!isPlainObject(data)) {
			data = {}
			"development" !== 'production' && warn(
				'data functions should return an object.',
				vm
			)
		}
		// proxy data on instance
		var keys = Object.keys(data)
		var props = vm.$options.props
		var i = keys.length
		while (i--) {
			if (props && hasOwn(props, keys[i])) {
				"development" !== '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) {
				if (methods[key] != null) {
					vm[key] = bind$1(methods[key], vm)
				} else {
					warn(("Method \"" + key + "\" is undefined in options."), 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
		}
		{
			dataDef.set = function (newData) {
				warn(
					'Avoid replacing instance root $data. ' +
					'Use nested data properties instead.',
					this
				)
			}
		}
		Object.defineProperty(Vue.prototype, '$data', dataDef)
		
		Vue.prototype.$set = set
		Vue.prototype.$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,
		ns,
		context,
		componentOptions
	) {
		this.tag = tag
		this.data = data
		this.children = children
		this.text = text
		this.elm = elm
		this.ns = ns
		this.context = context
		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
	};
	
	var emptyVNode = function () {
		var node = new VNode()
		node.text = ''
		node.isComment = true
		return node
	}

// 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.ns,
			vnode.context,
			vnode.componentOptions
		)
		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
	}
	
	/*  */
	
	function normalizeChildren (
		children,
		ns,
		nestedIndex
	) {
		if (isPrimitive(children)) {
			return [createTextVNode(children)]
		}
		if (Array.isArray(children)) {
			var res = []
			for (var i = 0, l = children.length; i < l; i++) {
				var c = children[i]
				var last = res[res.length - 1]
				//  nested
				if (Array.isArray(c)) {
					res.push.apply(res, normalizeChildren(c, ns, 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 instanceof VNode) {
					if (c.text && last && last.text) {
						last.text += c.text
					} else {
						// inherit parent namespace
						if (ns) {
							applyNS(c, ns)
						}
						// 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 createTextVNode (val) {
		return new VNode(undefined, undefined, undefined, String(val))
	}
	
	function applyNS (vnode, ns) {
		if (vnode.tag && !vnode.ns) {
			vnode.ns = ns
			if (vnode.children) {
				for (var i = 0, l = vnode.children.length; i < l; i++) {
					applyNS(vnode.children[i], ns)
				}
			}
		}
	}
	
	function getFirstComponentChild (children) {
		return children && children.filter(function (c) { return c && c.componentOptions; })[0]
	}
	
	function mergeVNodeHook (def$$1, key, hook) {
		var oldHook = def$$1[key]
		if (oldHook) {
			var injectedHash = def$$1.__injected || (def$$1.__injected = {})
			if (!injectedHash[key]) {
				injectedHash[key] = true
				def$$1[key] = function () {
					oldHook.apply(this, arguments)
					hook.apply(this, arguments)
				}
			}
		} else {
			def$$1[key] = hook
		}
	}
	
	function updateListeners (
		on,
		oldOn,
		add,
		remove$$1
	) {
		var name, cur, old, fn, event, capture
		for (name in on) {
			cur = on[name]
			old = oldOn[name]
			if (!cur) {
				"development" !== 'production' && warn(
					("Handler for event \"" + name + "\" is undefined.")
				)
			} else if (!old) {
				capture = name.charAt(0) === '!'
				event = capture ? name.slice(1) : name
				if (Array.isArray(cur)) {
					add(event, (cur.invoker = arrInvoker(cur)), capture)
				} else {
					if (!cur.invoker) {
						fn = cur
						cur = on[name] = {}
						cur.fn = fn
						cur.invoker = fnInvoker(cur)
					}
					add(event, cur.invoker, capture)
				}
			} else if (cur !== old) {
				if (Array.isArray(old)) {
					old.length = cur.length
					for (var i = 0; i < old.length; i++) { old[i] = cur[i] }
					on[name] = old
				} else {
					old.fn = cur
					on[name] = old
				}
			}
		}
		for (name in oldOn) {
			if (!on[name]) {
				event = name.charAt(0) === '!' ? name.slice(1) : name
				remove$$1(event, oldOn[name].invoker)
			}
		}
	}
	
	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)
		}
	}
	
	/*  */
	
	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.$options.render = emptyVNode
				{
					/* istanbul ignore if */
					if (vm.$options.template) {
						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
			// root instance, call mounted on self
			// mounted is called for child components in its inserted hook
			if (vm.$root === vm) {
				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.$el
			var prevActiveInstance = activeInstance
			activeInstance = vm
			var prevVnode = vm._vnode
			vm._vnode = vnode
			if (!prevVnode) {
				// Vue.prototype.__patch__ is injected in entry points
				// based on the rendering backend used.
				vm.$el = vm.__patch__(vm.$el, vnode, hydrating)
			} else {
				vm.$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.$options._renderChildren = renderChildren
			// update props
			if (propsData && vm.$options.props) {
				observerState.shouldConvert = false
				{
					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
				{
					observerState.isSettingProps = false
				}
			}
			// 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.$slots = resolveSlots(renderChildren, vm._renderContext)
				vm.$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
			}
		}
	}
	
	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
		}
		
		if (isObject(Ctor)) {
			Ctor = Vue$3.extend(Ctor)
		}
		
		if (typeof Ctor !== 'function') {
			{
				warn(("Invalid Component definition: " + (String(Ctor))), context)
			}
			return
		}
		
		// async component
		if (!Ctor.cid) {
			if (Ctor.resolved) {
				Ctor = Ctor.resolved
			} else {
				Ctor = resolveAsyncComponent(Ctor, 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
				}
			}
		}
		
		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, 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)
			}
		}
		return Ctor.options.render.call(
			null,
			// ensure the createElement function in functional components
			// gets a unique context - this is necessary for correct named slot check
			bind$1(createElement, { _self: Object.create(context) }),
			{
				props: props,
				data: data,
				parent: context,
				children: normalizeChildren(children),
				slots: function () { return resolveSlots(children, context); }
			}
		)
	}
	
	function createComponentInstanceForVnode (
		vnode, // we know it's MountedComponentVNode but flow doesn't
		parent // activeInstance in lifecycle state
	) {
		var vnodeComponentOptions = vnode.componentOptions
		var options = {
			_isComponent: true,
			parent: parent,
			propsData: vnodeComponentOptions.propsData,
			_componentTag: vnodeComponentOptions.tag,
			_parentVnode: vnode,
			_parentListeners: vnodeComponentOptions.listeners,
			_renderChildren: vnodeComponentOptions.children
		}
		// 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) {
		if (!vnode.child || vnode.child._isDestroyed) {
			var child = vnode.child = createComponentInstanceForVnode(vnode, activeInstance)
			child.$mount(hydrating ? vnode.elm : undefined, hydrating)
		}
	}
	
	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,
		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 = Vue$3.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) {
				"development" !== '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 extrating 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 (a, b) {
		// since all hooks have at most two args, use fixed args
		// to avoid having to use fn.apply().
		return function (_, __) {
			a(_, __)
			b(_, __)
		}
	}
	
	/*  */

// wrapper function for providing a more flexible interface
// without getting yelled at by flow
	function createElement (
		tag,
		data,
		children
	) {
		if (data && (Array.isArray(data) || typeof data !== 'object')) {
			children = data
			data = undefined
		}
		// make sure to use real instance instead of proxy as context
		return _createElement(this._self, tag, data, children)
	}
	
	function _createElement (
		context,
		tag,
		data,
		children
	) {
		if (data && data.__ob__) {
			"development" !== '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
		}
		if (!tag) {
			// in case of component :is set to falsy value
			return emptyVNode()
		}
		if (typeof tag === 'string') {
			var Ctor
			var ns = config.getTagNamespace(tag)
			if (config.isReservedTag(tag)) {
				// platform built-in elements
				return new VNode(
					tag, data, normalizeChildren(children, ns),
					undefined, undefined, ns, context
				)
			} else if ((Ctor = resolveAsset(context.$options, 'components', tag))) {
				// component
				return 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
				return new VNode(
					tag, data, normalizeChildren(children, ns),
					undefined, undefined, ns, context
				)
			}
		} else {
			// direct component options / constructor
			return createComponent(tag, data, context, children)
		}
	}
	
	/*  */
	
	function initRender (vm) {
		vm.$vnode = null // the placeholder node in parent tree
		vm._vnode = null // the root of the child tree
		vm._staticTrees = null
		vm._renderContext = vm.$options._parentVnode && vm.$options._parentVnode.context
		vm.$slots = resolveSlots(vm.$options._renderChildren, vm._renderContext)
		// bind the public createElement fn to this instance
		// so that we get proper render context inside it.
		vm.$createElement = bind$1(createElement, vm)
		if (vm.$options.el) {
			vm.$mount(vm.$options.el)
		}
	}
	
	function renderMixin (Vue) {
		Vue.prototype.$nextTick = function (fn) {
			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 (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) {
				{
					warn(("Error when rendering " + (formatComponentName(vm)) + ":"))
				}
				/* istanbul ignore else */
				if (config.errorHandler) {
					config.errorHandler.call(null, e, vm)
				} else {
					if (config._isServer) {
						throw e
					} else {
						setTimeout(function () { throw e }, 0)
					}
				}
				// 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 ("development" !== 'production' && Array.isArray(vnode)) {
					warn(
						'Multiple root nodes returned from render function. Render function ' +
						'should return a single root node.',
						vm
					)
				}
				vnode = emptyVNode()
			}
			// set parent
			vnode.parent = _parentVnode
			return vnode
		}
		
		// shorthands used in render functions
		Vue.prototype._h = createElement
		// toString for mustaches
		Vue.prototype._s = _toString
		// number conversion
		Vue.prototype._n = toNumber
		// empty vnode
		Vue.prototype._e = emptyVNode
		// 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)
			if (Array.isArray(tree)) {
				for (var i = 0; i < tree.length; i++) {
					tree[i].isStatic = true
					tree[i].key = "__static__" + index + "_" + i
				}
			} else {
				tree.isStatic = true
				tree.key = "__static__" + index
			}
			return tree
		}
		
		// filter resolution helper
		var identity = function (_) { return _; }
		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
		) {
			var slotNodes = this.$slots[name]
			// warn duplicate slot usage
			if (slotNodes && "development" !== '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,
			value,
			asProp
		) {
			if (value) {
				if (!isObject(value)) {
					"development" !== '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(key)
								? data.domProps || (data.domProps = {})
								: data.attrs || (data.attrs = {})
							hash[key] = value[key]
						}
					}
				}
			}
			return data
		}
		
		// expose v-on keyCodes
		Vue.prototype._k = function getKeyCodes (key) {
			return config.keyCodes[key]
		}
	}
	
	function resolveSlots (
		renderChildren,
		context
	) {
		var slots = {}
		if (!renderChildren) {
			return slots
		}
		var children = normalizeChildren(renderChildren) || []
		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.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 on = bind$1(vm.$on, vm)
		var off = bind$1(vm.$off, vm)
		vm._updateListeners = function (listeners, oldListeners) {
			updateListeners(listeners, oldListeners || {}, on, off)
		}
		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),
					options || {},
					vm
				)
			}
			/* istanbul ignore else */
			{
				initProxy(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(resolveConstructorOptions(vm))
			// 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
			if (options.render) {
				opts.render = options.render
				opts.staticRenderFns = options.staticRenderFns
			}
		}
		
		function resolveConstructorOptions (vm) {
			var Ctor = vm.constructor
			var options = Ctor.options
			if (Ctor.super) {
				var superOptions = Ctor.super.options
				var cachedSuperOptions = Ctor.superOptions
				if (superOptions !== cachedSuperOptions) {
					// super option changed
					Ctor.superOptions = superOptions
					options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions)
					if (options.name) {
						options.components[options.name] = Ctor
					}
				}
			}
			return options
		}
	}
	
	function Vue$3 (options) {
		if ("development" !== 'production' &&
			!(this instanceof Vue$3)) {
			warn('Vue is a constructor and should be called with the `new` keyword')
		}
		this._init(options)
	}
	
	initMixin(Vue$3)
	stateMixin(Vue$3)
	eventsMixin(Vue$3)
	lifecycleMixin(Vue$3)
	renderMixin(Vue$3)
	
	var warn = noop
	var formatComponentName
	
	{
		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"
		}
		
		var formatLocation = function (str) {
			if (str === 'anonymous component') {
				str += " - use the \"name\" option for better debugging messages."
			}
			return ("(found in " + str + ")")
		}
	}
	
	/*  */
	
	/**
	 * 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
	 */
	{
		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)
		}
		
		strats.name = function (parent, child, vm) {
			if (vm && child) {
				warn(
					'options "name" can only be used as a component definition option, ' +
					'not during instance creation.'
				)
			}
			return defaultStrat(parent, child)
		}
	}
	
	/**
	 * Helper that recursively merges two data objects together.
	 */
	function mergeData (to, from) {
		var key, toVal, fromVal
		for (key in from) {
			toVal = to[key]
			fromVal = from[key]
			if (!hasOwn(to, key)) {
				set(to, key, fromVal)
			} else if (isObject(toVal) && isObject(fromVal)) {
				mergeData(toVal, fromVal)
			}
		}
		return to
	}
	
	/**
	 * Data
	 */
	strats.data = function (
		parentVal,
		childVal,
		vm
	) {
		if (!vm) {
			// in a Vue.extend merge, both should be functions
			if (!childVal) {
				return parentVal
			}
			if (typeof childVal !== 'function') {
				"development" !== '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
	}
	
	/**
	 * Make sure component options get converted to actual
	 * constructors.
	 */
	function normalizeComponents (options) {
		if (options.components) {
			var components = options.components
			var def
			for (var key in components) {
				var lower = key.toLowerCase()
				if (isBuiltInTag(lower) || config.isReservedTag(lower)) {
					"development" !== 'production' && warn(
						'Do not use built-in or reserved HTML elements as component ' +
						'id: ' + key
					)
					continue
				}
				def = components[key]
				if (isPlainObject(def)) {
					components[key] = Vue$3.extend(def)
				}
			}
		}
	}
	
	/**
	 * 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 {
					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
	) {
		normalizeComponents(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$3) {
					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]
		var res = assets[id] ||
			// camelCase ID
			assets[camelize(id)] ||
			// Pascal Case ID
			assets[capitalize(camelize(id))]
		if ("development" !== '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 (getType(prop.type) === 'Boolean') {
			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
		}
		{
			assertProp(prop, key, value, vm, absent)
		}
		return value
	}
	
	/**
	 * Get the default value of a prop.
	 */
	function getPropDefaultValue (vm, prop, name) {
		// 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)) {
			"development" !== 'production' && warn(
				'Invalid default value for prop "' + name + '": ' +
				'Props with type Object/Array must use a factory function ' +
				'to return the default value.',
				vm
			)
		}
		// 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]
	}
	
	
	
	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,
		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,
		devtools: devtools,
		nextTick: nextTick,
		get _Set () { return _Set; },
		mergeOptions: mergeOptions,
		resolveAsset: resolveAsset,
		get warn () { return warn; },
		get formatComponentName () { return formatComponentName; },
		validateProp: validateProp
	});
	
	/*  */
	
	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) {
			Vue.options = mergeOptions(Vue.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 isFirstExtend = Super.cid === 0
			if (isFirstExtend && extendOptions._Ctor) {
				return extendOptions._Ctor
			}
			var name = extendOptions.name || Super.options.name
			{
				if (!/^[a-zA-Z][\w-]*$/.test(name)) {
					warn(
						'Invalid component name: "' + name + '". Component names ' +
						'can only contain alphanumeric characaters and the hyphen.'
					)
					name = null
				}
			}
			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
			Sub.extend = Super.extend
			// create asset registers, so extended classes
			// can have their private assets too.
			config._assetTypes.forEach(function (type) {
				Sub[type] = Super[type]
			})
			// enable recursive self-lookup
			if (name) {
				Sub.options.components[name] = Sub
			}
			// 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
			if (isFirstExtend) {
				extendOptions._Ctor = 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 (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 = Vue.extend(definition)
					}
					if (type === 'directive' && typeof definition === 'function') {
						definition = { bind: definition, update: definition }
					}
					this.options[type + 's'][id] = definition
					return definition
				}
			}
		})
	}
	
	var KeepAlive = {
		name: 'keep-alive',
		abstract: true,
		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
				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
					: 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; }
		{
			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
		Vue.delete = del
		Vue.nextTick = nextTick
		
		Vue.options = Object.create(null)
		config._assetTypes.forEach(function (type) {
			Vue.options[type + 's'] = Object.create(null)
		})
		
		extend(Vue.options.components, builtInComponents)
		
		initUse(Vue)
		initMixin$1(Vue)
		initExtend(Vue)
		initAssetRegisters(Vue)
	}
	
	initGlobalAPI(Vue$3)
	
	Object.defineProperty(Vue$3.prototype, '$isServer', {
		get: function () { return config._isServer; }
	})
	
	Vue$3.version = '2.0.1'
	
	/*  */

// attributes that should be using props for binding
	var mustUseProp = makeMap('value,selected,checked,muted')
	
	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 isAttr = makeMap(
		'accept,accept-charset,accesskey,action,align,alt,async,autocomplete,' +
		'autofocus,autoplay,autosave,bgcolor,border,buffered,challenge,charset,' +
		'checked,cite,class,code,codebase,color,cols,colspan,content,http-equiv,' +
		'name,contenteditable,contextmenu,controls,coords,data,datetime,default,' +
		'defer,dir,dirname,disabled,download,draggable,dropzone,enctype,method,for,' +
		'form,formaction,headers,<th>,height,hidden,high,href,hreflang,http-equiv,' +
		'icon,id,ismap,itemprop,keytype,kind,label,lang,language,list,loop,low,' +
		'manifest,max,maxlength,media,method,GET,POST,min,multiple,email,file,' +
		'muted,name,novalidate,open,optimum,pattern,ping,placeholder,poster,' +
		'preload,radiogroup,readonly,rel,required,reversed,rows,rowspan,sandbox,' +
		'scope,scoped,seamless,selected,shape,size,type,text,password,sizes,span,' +
		'spellcheck,src,srcdoc,srclang,srcset,start,step,style,summary,tabindex,' +
		'target,title,type,usemap,value,width,wrap'
	)
	
	
	
	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'
	}
	
	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'
	)
	
	var isUnaryTag = makeMap(
		'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
		'link,meta,param,source,track,wbr',
		true
	)

// Elements that you can, intentionally, leave open
// (and which close themselves)
	var canBeLeftOpenTag = makeMap(
		'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source',
		true
	)

// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
	var isNonPhrasingTag = makeMap(
		'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
		'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
		'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
		'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
		'title,tr,track',
		true
	)

// 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,' +
		'font-face,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
		'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
		true
	)
	
	var isPreTag = function (tag) { return tag === 'pre'; }
	
	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) {
				"development" !== 'production' && warn(
					'Cannot find element: ' + selector
				)
				return document.createElement('div')
			}
		}
		return el
	}
	
	/*  */
	
	function createElement$1 (tagName) {
		return document.createElement(tagName)
	}
	
	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 childNodes (node) {
		return node.childNodes
	}
	
	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,
		childNodes: childNodes,
		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].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 emptyData = {}
	var emptyNode = new VNode('', emptyData, [])
	var hooks$1 = ['create', 'update', 'postpatch', '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)
			nodeOps.removeChild(parent, el)
		}
		
		function createElm (vnode, insertedVnodeQueue, nested) {
			var i
			var data = vnode.data
			vnode.isRootInsert = !nested
			if (isDef(data)) {
				if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode) }
				// 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(i = vnode.child)) {
					initComponent(vnode, insertedVnodeQueue)
					return vnode.elm
				}
			}
			var children = vnode.children
			var tag = vnode.tag
			if (isDef(tag)) {
				{
					if (
						!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)
				setScope(vnode)
				createChildren(vnode, children, insertedVnodeQueue)
				if (isDef(data)) {
					invokeCreateHooks(vnode, insertedVnodeQueue)
				}
			} else if (vnode.isComment) {
				vnode.elm = nodeOps.createComment(vnode.text)
			} else {
				vnode.elm = nodeOps.createTextNode(vnode.text)
			}
			return vnode.elm
		}
		
		function createChildren (vnode, children, insertedVnodeQueue) {
			if (Array.isArray(children)) {
				for (var i = 0; i < children.length; ++i) {
					nodeOps.appendChild(vnode.elm, createElm(children[i], insertedVnodeQueue, 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, before, vnodes, startIdx, endIdx, insertedVnodeQueue) {
			for (; startIdx <= endIdx; ++startIdx) {
				nodeOps.insertBefore(parentElm, createElm(vnodes[startIdx], insertedVnodeQueue), before)
			}
		}
		
		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.child) && !data.keepAlive) {
				invokeDestroyHook(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, before
			
			// 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
						nodeOps.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm)
						newStartVnode = newCh[++newStartIdx]
					} else {
						elmToMove = oldCh[idxInOld]
						/* istanbul ignore if */
						if ("development" !== '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 (elmToMove.tag !== newStartVnode.tag) {
							// same key but different element. treat as new element
							nodeOps.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm)
							newStartVnode = newCh[++newStartIdx]
						} else {
							patchVnode(elmToMove, newStartVnode, insertedVnodeQueue)
							oldCh[idxInOld] = undefined
							canMove && nodeOps.insertBefore(parentElm, newStartVnode.elm, oldStartVnode.elm)
							newStartVnode = newCh[++newStartIdx]
						}
					}
				}
			}
			if (oldStartIdx > oldEndIdx) {
				before = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm
				addVnodes(parentElm, before, 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.elm = oldVnode.elm
				return
			}
			var i, hook
			var hasData = isDef(i = vnode.data)
			if (hasData && isDef(hook = i.hook) && isDef(i = hook.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(hook) && isDef(i = hook.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) {
				for (i = 0; i < cbs.postpatch.length; ++i) { cbs.postpatch[i](oldVnode, vnode) }
				if (isDef(hook) && isDef(i = hook.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
		function hydrate (elm, vnode, insertedVnodeQueue) {
			{
				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)) {
					var childNodes = nodeOps.childNodes(elm)
					// empty element, allow client to pick up and populate children
					if (!childNodes.length) {
						createChildren(vnode, children, insertedVnodeQueue)
					} else {
						var childrenMatch = true
						if (childNodes.length !== children.length) {
							childrenMatch = false
						} else {
							for (var i$1 = 0; i$1 < children.length; i$1++) {
								if (!hydrate(childNodes[i$1], children[i$1], insertedVnodeQueue)) {
									childrenMatch = false
									break
								}
							}
						}
						if (!childrenMatch) {
							if ("development" !== 'production' &&
								typeof console !== 'undefined' &&
								!bailed) {
								bailed = true
								console.warn('Parent: ', elm)
								console.warn('Mismatching childNodes vs. VNodes: ', childNodes, children)
							}
							return false
						}
					}
				}
				if (isDef(data)) {
					invokeCreateHooks(vnode, insertedVnodeQueue)
				}
			}
			return true
		}
		
		function assertNodeMatch (node, vnode) {
			if (vnode.tag) {
				return (
					vnode.tag.indexOf('vue-component') === 0 ||
					vnode.tag === nodeOps.tagName(node).toLowerCase()
				)
			} else {
				return _toString(vnode.text) === node.data
			}
		}
		
		return function patch (oldVnode, vnode, hydrating, removeOnly) {
			var elm, parent
			var isInitialPatch = false
			var insertedVnodeQueue = []
			
			if (!oldVnode) {
				// empty mount, create new root element
				isInitialPatch = true
				createElm(vnode, insertedVnodeQueue)
			} else {
				var isRealElement = isDef(oldVnode.nodeType)
				if (!isRealElement && sameVnode(oldVnode, vnode)) {
					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 {
								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)
					}
					elm = oldVnode.elm
					parent = nodeOps.parentNode(elm)
					
					createElm(vnode, insertedVnodeQueue)
					
					// component root element replaced.
					// update parent placeholder node element.
					if (vnode.parent) {
						vnode.parent.elm = vnode.elm
						if (isPatchable(vnode)) {
							for (var i = 0; i < cbs.create.length; ++i) {
								cbs.create[i](emptyNode, vnode.parent)
							}
						}
					}
					
					if (parent !== null) {
						nodeOps.insertBefore(parent, vnode.elm, nodeOps.nextSibling(elm))
						removeVnodes(parent, [oldVnode], 0, 0)
					} else if (isDef(oldVnode.tag)) {
						invokeDestroyHook(oldVnode)
					}
				}
			}
			
			invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch)
			return vnode.elm
		}
	}
	
	/*  */
	
	var directives = {
		create: function bindDirectives (oldVnode, vnode) {
			var hasInsert = false
			forEachDirective(oldVnode, vnode, function (def, dir) {
				callHook$1(def, dir, 'bind', vnode, oldVnode)
				if (def.inserted) {
					hasInsert = true
				}
			})
			if (hasInsert) {
				mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', function () {
					applyDirectives(oldVnode, vnode, 'inserted')
				})
			}
		},
		update: function updateDirectives (oldVnode, vnode) {
			applyDirectives(oldVnode, vnode, 'update')
			// if old vnode has directives but new vnode doesn't
			// we need to teardown the directives on the old one.
			if (oldVnode.data.directives && !vnode.data.directives) {
				applyDirectives(oldVnode, oldVnode, 'unbind')
			}
		},
		postpatch: function postupdateDirectives (oldVnode, vnode) {
			applyDirectives(oldVnode, vnode, 'componentUpdated')
		},
		destroy: function unbindDirectives (vnode) {
			applyDirectives(vnode, vnode, 'unbind')
		}
	}
	
	var emptyModifiers = Object.create(null)
	
	function forEachDirective (
		oldVnode,
		vnode,
		fn
	) {
		var dirs = vnode.data.directives
		if (dirs) {
			for (var i = 0; i < dirs.length; i++) {
				var dir = dirs[i]
				var def = resolveAsset(vnode.context.$options, 'directives', dir.name, true)
				if (def) {
					var oldDirs = oldVnode && oldVnode.data.directives
					if (oldDirs) {
						dir.oldValue = oldDirs[i].value
					}
					if (!dir.modifiers) {
						dir.modifiers = emptyModifiers
					}
					fn(def, dir)
				}
			}
		}
	}
	
	function applyDirectives (
		oldVnode,
		vnode,
		hook
	) {
		forEachDirective(oldVnode, vnode, function (def, dir) {
			callHook$1(def, dir, hook, vnode, oldVnode)
		})
	}
	
	function callHook$1 (def, dir, hook, vnode, oldVnode) {
		var fn = def && 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)
			}
		}
		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
	}

// skip type checking this file because we need to attach private properties
// to elements
	
	function updateDOMListeners (oldVnode, vnode) {
		if (!oldVnode.data.on && !vnode.data.on) {
			return
		}
		var on = vnode.data.on || {}
		var oldOn = oldVnode.data.on || {}
		var add = vnode.elm._v_add || (vnode.elm._v_add = function (event, handler, capture) {
				vnode.elm.addEventListener(event, handler, capture)
			})
		var remove = vnode.elm._v_remove || (vnode.elm._v_remove = function (event, handler) {
				vnode.elm.removeEventListener(event, handler)
			})
		updateListeners(on, oldOn, add, remove)
	}
	
	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] = undefined
			}
		}
		for (key in props) {
			// 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') && vnode.children) {
				vnode.children.length = 0
			}
			cur = props[key]
			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.value !== strCur) {
					elm.value = strCur
				}
			} else {
				elm[key] = cur
			}
		}
	}
	
	var domProps = {
		create: updateDOMProps,
		update: updateDOMProps
	}
	
	/*  */
	
	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) {
		if ((!oldVnode.data || !oldVnode.data.style) && !vnode.data.style) {
			return
		}
		var cur, name
		var el = vnode.elm
		var oldStyle = oldVnode.data.style || {}
		var style = vnode.data.style || {}
		
		// handle string
		if (typeof style === 'string') {
			el.style.cssText = style
			return
		}
		
		var needClone = style.__ob__
		
		// handle array syntax
		if (Array.isArray(style)) {
			style = vnode.data.style = toObject(style)
		}
		
		// clone the style for future updates,
		// in case the user mutates the style object in-place.
		if (needClone) {
			style = vnode.data.style = extend({}, style)
		}
		
		for (name in oldStyle) {
			if (!style[name]) {
				el.style[normalize(name)] = ''
			}
		}
		for (name in style) {
			cur = style[name]
			if (cur !== oldStyle[name]) {
				// ie9 setting to null has no effect, must use empty string
				el.style[normalize(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 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 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) {
		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) {
		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 transitionNode = activeInstance.$vnode
		var context = transitionNode && transitionNode.parent
			? transitionNode.parent.context
			: activeInstance
		
		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.tag === vnode.tag && pendingNode.elm._leaveCb) {
					pendingNode.elm._leaveCb()
				}
				enterHook && enterHook(el, cb)
			})
		}
		
		// start enter transition
		beforeEnterHook && beforeEnterHook(el)
		if (expectsCSS) {
			addTransitionClass(el, startClass)
			addTransitionClass(el, activeClass)
			nextFrame(function () {
				removeTransitionClass(el, startClass)
				if (!cb.cancelled && !userWantsControl) {
					whenTransitionEnds(el, type, cb)
				}
			})
		}
		
		if (vnode.data.show) {
			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()
			}
		}
	}
	
	var transition = inBrowser ? {
		create: function create (_, vnode) {
			if (!vnode.data.show) {
				enter(vnode)
			}
		},
		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 = {
		bind: function bind (el, binding, vnode) {
			{
				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') {
				setSelected(el, binding, vnode.context)
				/* istanbul ignore if */
				if (isIE || isEdge) {
					var cb = function () {
						setSelected(el, binding, vnode.context)
					}
					nextTick(cb)
					setTimeout(cb, 0)
				}
			} else if (vnode.tag === 'textarea' || el.type === 'text') {
				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 matchig
				// option in the DOM.
				var needReset = el.multiple
					? binding.value.some(function (v) { return hasNoMatchingOption(v, el.options); })
					: 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)) {
			"development" !== '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
			if (value && transition && !isIE9) {
				enter(vnode)
			}
			var originalDisplay = el.style.display === 'none' ? '' : el.style.display
			el.style.display = value ? originalDisplay : 'none'
			el.__vOriginalDisplay = originalDisplay
		},
		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) {
				if (value) {
					enter(vnode)
					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 recrusively 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 ("development" !== '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 ("development" !== '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)
			}
			
			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 !== child.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()
					})
					return placeholder(h, rawChild)
				} else if (mode === 'in-out') {
					var delayedLeave
					var performLeave = function () { delayedLeave() }
					mergeVNodeHook(data, 'afterEnter', performLeave)
					mergeVNodeHook(data, 'enterCancelled', performLeave)
					mergeVNodeHook(oldData, 'delayLeave', function (leave) {
						delayedLeave = leave
					})
				}
			}
			
			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 {
						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 + '-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$3.config.isUnknownElement = isUnknownElement
	Vue$3.config.isReservedTag = isReservedTag
	Vue$3.config.getTagNamespace = getTagNamespace
	Vue$3.config.mustUseProp = mustUseProp

// install platform runtime directives & components
	extend(Vue$3.options.directives, platformDirectives)
	extend(Vue$3.options.components, platformComponents)

// install platform patch function
	Vue$3.prototype.__patch__ = config._isServer ? noop : patch$1

// wrap mount
	Vue$3.prototype.$mount = function (
		el,
		hydrating
	) {
		el = el && !config._isServer ? 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$3)
			} else if (
				"development" !== 'production' &&
				inBrowser && /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)
	
	/*  */

// check whether current browser encodes a char inside attribute values
	function shouldDecode (content, encoded) {
		var div = document.createElement('div')
		div.innerHTML = "<div a=\"" + content + "\">"
		return div.innerHTML.indexOf(encoded) > 0
	}

// According to
// https://w3c.github.io/DOM-Parsing/#dfn-serializing-an-attribute-value
// when serializing innerHTML, <, >, ", & should be encoded as entities.
// However, only some browsers, e.g. PhantomJS, encodes < and >.
// this causes problems with the in-browser parser.
	var shouldDecodeTags = inBrowser ? shouldDecode('>', '&gt;') : false

// #3663
// IE encodes newlines inside attribute values while other browsers don't
	var shouldDecodeNewlines = inBrowser ? shouldDecode('\n', '&#10;') : false
	
	/*  */
	
	var decoder = document.createElement('div')
	
	function decodeHTML (html) {
		decoder.innerHTML = html
		return decoder.textContent
	}
	
	/**
	 * Not type-checking this file because it's mostly vendor code.
	 */
	
	/*!
	 * HTML Parser By John Resig (ejohn.org)
	 * Modified by Juriy "kangax" Zaytsev
	 * Original code by Erik Arvidsson, Mozilla Public License
	 * http://erik.eae.net/simplehtmlparser/simplehtmlparser.js
	 */

// Regular Expressions for parsing tags and attributes
	var singleAttrIdentifier = /([^\s"'<>\/=]+)/
	var singleAttrAssign = /(?:=)/
	var singleAttrValues = [
		// attr value double quotes
		/"([^"]*)"+/.source,
		// attr value, single quotes
		/'([^']*)'+/.source,
		// attr value, no quotes
		/([^\s"'=<>`]+)/.source
	]
	var attribute = new RegExp(
		'^\\s*' + singleAttrIdentifier.source +
		'(?:\\s*(' + singleAttrAssign.source + ')' +
		'\\s*(?:' + singleAttrValues.join('|') + '))?'
	)

// could use https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName
// but for Vue templates we can enforce a simple charset
	var ncname = '[a-zA-Z_][\\w\\-\\.]*'
	var qnameCapture = '((?:' + ncname + '\\:)?' + ncname + ')'
	var startTagOpen = new RegExp('^<' + qnameCapture)
	var startTagClose = /^\s*(\/?)>/
	var endTag = new RegExp('^<\\/' + qnameCapture + '[^>]*>')
	var doctype = /^<!DOCTYPE [^>]+>/i
	
	var IS_REGEX_CAPTURING_BROKEN = false
	'x'.replace(/x(.)?/g, function (m, g) {
		IS_REGEX_CAPTURING_BROKEN = g === ''
	})

// Special Elements (can contain anything)
	var isSpecialTag = makeMap('script,style', true)
	
	var reCache = {}
	
	var ltRE = /&lt;/g
	var gtRE = /&gt;/g
	var nlRE = /&#10;/g
	var ampRE = /&amp;/g
	var quoteRE = /&quot;/g
	
	function decodeAttr (value, shouldDecodeTags, shouldDecodeNewlines) {
		if (shouldDecodeTags) {
			value = value.replace(ltRE, '<').replace(gtRE, '>')
		}
		if (shouldDecodeNewlines) {
			value = value.replace(nlRE, '\n')
		}
		return value.replace(ampRE, '&').replace(quoteRE, '"')
	}
	
	function parseHTML (html, options) {
		var stack = []
		var expectHTML = options.expectHTML
		var isUnaryTag$$1 = options.isUnaryTag || no
		var isFromDOM = options.isFromDOM
		var index = 0
		var last, lastTag
		while (html) {
			last = html
			// Make sure we're not in a script or style element
			if (!lastTag || !isSpecialTag(lastTag)) {
				var textEnd = html.indexOf('<')
				if (textEnd === 0) {
					// Comment:
					if (/^<!--/.test(html)) {
						var commentEnd = html.indexOf('-->')
						
						if (commentEnd >= 0) {
							advance(commentEnd + 3)
							continue
						}
					}
					
					// http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
					if (/^<!\[/.test(html)) {
						var conditionalEnd = html.indexOf(']>')
						
						if (conditionalEnd >= 0) {
							advance(conditionalEnd + 2)
							continue
						}
					}
					
					// Doctype:
					var doctypeMatch = html.match(doctype)
					if (doctypeMatch) {
						advance(doctypeMatch[0].length)
						continue
					}
					
					// End tag:
					var endTagMatch = html.match(endTag)
					if (endTagMatch) {
						var curIndex = index
						advance(endTagMatch[0].length)
						parseEndTag(endTagMatch[0], endTagMatch[1], curIndex, index)
						continue
					}
					
					// Start tag:
					var startTagMatch = parseStartTag()
					if (startTagMatch) {
						handleStartTag(startTagMatch)
						continue
					}
				}
				
				var text = void 0
				if (textEnd >= 0) {
					text = html.substring(0, textEnd)
					advance(textEnd)
				} else {
					text = html
					html = ''
				}
				
				if (options.chars) {
					options.chars(text)
				}
			} else {
				var stackedTag = lastTag.toLowerCase()
				var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'))
				var endTagLength = 0
				var rest = html.replace(reStackedTag, function (all, text, endTag) {
					endTagLength = endTag.length
					if (stackedTag !== 'script' && stackedTag !== 'style' && stackedTag !== 'noscript') {
						text = text
						.replace(/<!--([\s\S]*?)-->/g, '$1')
						.replace(/<!\[CDATA\[([\s\S]*?)\]\]>/g, '$1')
					}
					if (options.chars) {
						options.chars(text)
					}
					return ''
				})
				index += html.length - rest.length
				html = rest
				parseEndTag('</' + stackedTag + '>', stackedTag, index - endTagLength, index)
			}
			
			if (html === last) {
				throw new Error('Error parsing template:\n\n' + html)
			}
		}
		
		// Clean up any remaining tags
		parseEndTag()
		
		function advance (n) {
			index += n
			html = html.substring(n)
		}
		
		function parseStartTag () {
			var start = html.match(startTagOpen)
			if (start) {
				var match = {
					tagName: start[1],
					attrs: [],
					start: index
				}
				advance(start[0].length)
				var end, attr
				while (!(end = html.match(startTagClose)) && (attr = html.match(attribute))) {
					advance(attr[0].length)
					match.attrs.push(attr)
				}
				if (end) {
					match.unarySlash = end[1]
					advance(end[0].length)
					match.end = index
					return match
				}
			}
		}
		
		function handleStartTag (match) {
			var tagName = match.tagName
			var unarySlash = match.unarySlash
			
			if (expectHTML) {
				if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
					parseEndTag('', lastTag)
				}
				if (canBeLeftOpenTag(tagName) && lastTag === tagName) {
					parseEndTag('', tagName)
				}
			}
			
			var unary = isUnaryTag$$1(tagName) || tagName === 'html' && lastTag === 'head' || !!unarySlash
			
			var l = match.attrs.length
			var attrs = new Array(l)
			for (var i = 0; i < l; i++) {
				var args = match.attrs[i]
				// hackish work around FF bug https://bugzilla.mozilla.org/show_bug.cgi?id=369778
				if (IS_REGEX_CAPTURING_BROKEN && args[0].indexOf('""') === -1) {
					if (args[3] === '') { delete args[3] }
					if (args[4] === '') { delete args[4] }
					if (args[5] === '') { delete args[5] }
				}
				var value = args[3] || args[4] || args[5] || ''
				attrs[i] = {
					name: args[1],
					value: isFromDOM ? decodeAttr(
						value,
						options.shouldDecodeTags,
						options.shouldDecodeNewlines
					) : value
				}
			}
			
			if (!unary) {
				stack.push({ tag: tagName, attrs: attrs })
				lastTag = tagName
				unarySlash = ''
			}
			
			if (options.start) {
				options.start(tagName, attrs, unary, match.start, match.end)
			}
		}
		
		function parseEndTag (tag, tagName, start, end) {
			var pos
			if (start == null) { start = index }
			if (end == null) { end = index }
			
			// Find the closest opened tag of the same type
			if (tagName) {
				var needle = tagName.toLowerCase()
				for (pos = stack.length - 1; pos >= 0; pos--) {
					if (stack[pos].tag.toLowerCase() === needle) {
						break
					}
				}
			} else {
				// If no tag name is provided, clean shop
				pos = 0
			}
			
			if (pos >= 0) {
				// Close all the open elements, up the stack
				for (var i = stack.length - 1; i >= pos; i--) {
					if (options.end) {
						options.end(stack[i].tag, start, end)
					}
				}
				
				// Remove the open elements from the stack
				stack.length = pos
				lastTag = pos && stack[pos - 1].tag
			} else if (tagName.toLowerCase() === 'br') {
				if (options.start) {
					options.start(tagName, [], true, start, end)
				}
			} else if (tagName.toLowerCase() === 'p') {
				if (options.start) {
					options.start(tagName, [], false, start, end)
				}
				if (options.end) {
					options.end(tagName, start, end)
				}
			}
		}
	}
	
	/*  */
	
	function parseFilters (exp) {
		var inSingle = false
		var inDouble = false
		var curly = 0
		var square = 0
		var paren = 0
		var lastFilterIndex = 0
		var c, prev, i, expression, filters
		
		for (i = 0; i < exp.length; i++) {
			prev = c
			c = exp.charCodeAt(i)
			if (inSingle) {
				// check single quote
				if (c === 0x27 && prev !== 0x5C) { inSingle = !inSingle }
			} else if (inDouble) {
				// check double quote
				if (c === 0x22 && prev !== 0x5C) { inDouble = !inDouble }
			} else if (
				c === 0x7C && // pipe
				exp.charCodeAt(i + 1) !== 0x7C &&
				exp.charCodeAt(i - 1) !== 0x7C &&
				!curly && !square && !paren
			) {
				if (expression === undefined) {
					// first filter, end of expression
					lastFilterIndex = i + 1
					expression = exp.slice(0, i).trim()
				} else {
					pushFilter()
				}
			} else {
				switch (c) {
					case 0x22: inDouble = true; break // "
					case 0x27: inSingle = true; break // '
					case 0x28: paren++; break         // (
					case 0x29: paren--; break         // )
					case 0x5B: square++; break        // [
					case 0x5D: square--; break        // ]
					case 0x7B: curly++; break         // {
					case 0x7D: curly--; break         // }
				}
			}
		}
		
		if (expression === undefined) {
			expression = exp.slice(0, i).trim()
		} else if (lastFilterIndex !== 0) {
			pushFilter()
		}
		
		function pushFilter () {
			(filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim())
			lastFilterIndex = i + 1
		}
		
		if (filters) {
			for (i = 0; i < filters.length; i++) {
				expression = wrapFilter(expression, filters[i])
			}
		}
		
		return expression
	}
	
	function wrapFilter (exp, filter) {
		var i = filter.indexOf('(')
		if (i < 0) {
			// _f: resolveFilter
			return ("_f(\"" + filter + "\")(" + exp + ")")
		} else {
			var name = filter.slice(0, i)
			var args = filter.slice(i + 1)
			return ("_f(\"" + name + "\")(" + exp + "," + args)
		}
	}
	
	/*  */
	
	var defaultTagRE = /\{\{((?:.|\n)+?)\}\}/g
	var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g
	
	var buildRegex = cached(function (delimiters) {
		var open = delimiters[0].replace(regexEscapeRE, '\\$&')
		var close = delimiters[1].replace(regexEscapeRE, '\\$&')
		return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
	})
	
	function parseText (
		text,
		delimiters
	) {
		var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE
		if (!tagRE.test(text)) {
			return
		}
		var tokens = []
		var lastIndex = tagRE.lastIndex = 0
		var match, index
		while ((match = tagRE.exec(text))) {
			index = match.index
			// push text token
			if (index > lastIndex) {
				tokens.push(JSON.stringify(text.slice(lastIndex, index)))
			}
			// tag token
			var exp = parseFilters(match[1].trim())
			tokens.push(("_s(" + exp + ")"))
			lastIndex = index + match[0].length
		}
		if (lastIndex < text.length) {
			tokens.push(JSON.stringify(text.slice(lastIndex)))
		}
		return tokens.join('+')
	}
	
	/*  */
	
	function baseWarn (msg) {
		console.error(("[Vue parser]: " + msg))
	}
	
	function pluckModuleFunction (
		modules,
		key
	) {
		return modules
			? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
			: []
	}
	
	function addProp (el, name, value) {
		(el.props || (el.props = [])).push({ name: name, value: value })
	}
	
	function addAttr (el, name, value) {
		(el.attrs || (el.attrs = [])).push({ name: name, value: value })
	}
	
	function addDirective (
		el,
		name,
		value,
		arg,
		modifiers
	) {
		(el.directives || (el.directives = [])).push({ name: name, value: value, arg: arg, modifiers: modifiers })
	}
	
	function addHandler (
		el,
		name,
		value,
		modifiers,
		important
	) {
		// check capture modifier
		if (modifiers && modifiers.capture) {
			delete modifiers.capture
			name = '!' + name // mark the event as captured
		}
		var events
		if (modifiers && modifiers.native) {
			delete modifiers.native
			events = el.nativeEvents || (el.nativeEvents = {})
		} else {
			events = el.events || (el.events = {})
		}
		var newHandler = { value: value, modifiers: modifiers }
		var handlers = events[name]
		/* istanbul ignore if */
		if (Array.isArray(handlers)) {
			important ? handlers.unshift(newHandler) : handlers.push(newHandler)
		} else if (handlers) {
			events[name] = important ? [newHandler, handlers] : [handlers, newHandler]
		} else {
			events[name] = newHandler
		}
	}
	
	function getBindingAttr (
		el,
		name,
		getStatic
	) {
		var dynamicValue =
				getAndRemoveAttr(el, ':' + name) ||
				getAndRemoveAttr(el, 'v-bind:' + name)
		if (dynamicValue != null) {
			return dynamicValue
		} else if (getStatic !== false) {
			var staticValue = getAndRemoveAttr(el, name)
			if (staticValue != null) {
				return JSON.stringify(staticValue)
			}
		}
	}
	
	function getAndRemoveAttr (el, name) {
		var val
		if ((val = el.attrsMap[name]) != null) {
			var list = el.attrsList
			for (var i = 0, l = list.length; i < l; i++) {
				if (list[i].name === name) {
					list.splice(i, 1)
					break
				}
			}
		}
		return val
	}
	
	/*  */
	
	var dirRE = /^v-|^@|^:/
	var forAliasRE = /(.*)\s+(?:in|of)\s+(.*)/
	var forIteratorRE = /\(([^,]*),([^,]*)(?:,([^,]*))?\)/
	var bindRE = /^:|^v-bind:/
	var onRE = /^@|^v-on:/
	var argRE = /:(.*)$/
	var modifierRE = /\.[^\.]+/g
	
	var decodeHTMLCached = cached(decodeHTML)

// configurable state
	var warn$1
	var platformGetTagNamespace
	var platformMustUseProp
	var platformIsPreTag
	var preTransforms
	var transforms
	var postTransforms
	var delimiters
	
	/**
	 * Convert HTML string to AST.
	 */
	function parse (
		template,
		options
	) {
		warn$1 = options.warn || baseWarn
		platformGetTagNamespace = options.getTagNamespace || no
		platformMustUseProp = options.mustUseProp || no
		platformIsPreTag = options.isPreTag || no
		preTransforms = pluckModuleFunction(options.modules, 'preTransformNode')
		transforms = pluckModuleFunction(options.modules, 'transformNode')
		postTransforms = pluckModuleFunction(options.modules, 'postTransformNode')
		delimiters = options.delimiters
		var stack = []
		var preserveWhitespace = options.preserveWhitespace !== false
		var root
		var currentParent
		var inVPre = false
		var inPre = false
		var warned = false
		parseHTML(template, {
			expectHTML: options.expectHTML,
			isUnaryTag: options.isUnaryTag,
			isFromDOM: options.isFromDOM,
			shouldDecodeTags: options.shouldDecodeTags,
			shouldDecodeNewlines: options.shouldDecodeNewlines,
			start: function start (tag, attrs, unary) {
				// check namespace.
				// inherit parent ns if there is one
				var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag)
				
				// handle IE svg bug
				/* istanbul ignore if */
				if (options.isIE && ns === 'svg') {
					attrs = guardIESVGBug(attrs)
				}
				
				var element = {
					type: 1,
					tag: tag,
					attrsList: attrs,
					attrsMap: makeAttrsMap(attrs),
					parent: currentParent,
					children: []
				}
				if (ns) {
					element.ns = ns
				}
				
				if ("client" !== 'server' && isForbiddenTag(element)) {
					element.forbidden = true
					"development" !== 'production' && warn$1(
						'Templates should only be responsible for mapping the state to the ' +
						'UI. Avoid placing tags with side-effects in your templates, such as ' +
						"<" + tag + ">."
					)
				}
				
				// apply pre-transforms
				for (var i = 0; i < preTransforms.length; i++) {
					preTransforms[i](element, options)
				}
				
				if (!inVPre) {
					processPre(element)
					if (element.pre) {
						inVPre = true
					}
				}
				if (platformIsPreTag(element.tag)) {
					inPre = true
				}
				if (inVPre) {
					processRawAttrs(element)
				} else {
					processFor(element)
					processIf(element)
					processOnce(element)
					processKey(element)
					
					// determine whether this is a plain element after
					// removing structural attributes
					element.plain = !element.key && !attrs.length
					
					processRef(element)
					processSlot(element)
					processComponent(element)
					for (var i$1 = 0; i$1 < transforms.length; i$1++) {
						transforms[i$1](element, options)
					}
					processAttrs(element)
				}
				
				function checkRootConstraints (el) {
					{
						if (el.tag === 'slot' || el.tag === 'template') {
							warn$1(
								"Cannot use <" + (el.tag) + "> as component root element because it may " +
								'contain multiple nodes:\n' + template
							)
						}
						if (el.attrsMap.hasOwnProperty('v-for')) {
							warn$1(
								'Cannot use v-for on stateful component root element because ' +
								'it renders multiple elements:\n' + template
							)
						}
					}
				}
				
				// tree management
				if (!root) {
					root = element
					checkRootConstraints(root)
				} else if ("development" !== 'production' && !stack.length && !warned) {
					// allow 2 root elements with v-if and v-else
					if ((root.attrsMap.hasOwnProperty('v-if') && element.attrsMap.hasOwnProperty('v-else'))) {
						checkRootConstraints(element)
					} else {
						warned = true
						warn$1(
							("Component template should contain exactly one root element:\n\n" + template)
						)
					}
				}
				if (currentParent && !element.forbidden) {
					if (element.else) {
						processElse(element, currentParent)
					} else {
						currentParent.children.push(element)
						element.parent = currentParent
					}
				}
				if (!unary) {
					currentParent = element
					stack.push(element)
				}
				// apply post-transforms
				for (var i$2 = 0; i$2 < postTransforms.length; i$2++) {
					postTransforms[i$2](element, options)
				}
			},
			
			end: function end () {
				// remove trailing whitespace
				var element = stack[stack.length - 1]
				var lastNode = element.children[element.children.length - 1]
				if (lastNode && lastNode.type === 3 && lastNode.text === ' ') {
					element.children.pop()
				}
				// pop stack
				stack.length -= 1
				currentParent = stack[stack.length - 1]
				// check pre state
				if (element.pre) {
					inVPre = false
				}
				if (platformIsPreTag(element.tag)) {
					inPre = false
				}
			},
			
			chars: function chars (text) {
				if (!currentParent) {
					if ("development" !== 'production' && !warned) {
						warned = true
						warn$1(
							'Component template should contain exactly one root element:\n\n' + template
						)
					}
					return
				}
				text = inPre || text.trim()
					? decodeHTMLCached(text)
					// only preserve whitespace if its not right after a starting tag
					: preserveWhitespace && currentParent.children.length ? ' ' : ''
				if (text) {
					var expression
					if (!inVPre && text !== ' ' && (expression = parseText(text, delimiters))) {
						currentParent.children.push({
							type: 2,
							expression: expression,
							text: text
						})
					} else {
						currentParent.children.push({
							type: 3,
							text: text
						})
					}
				}
			}
		})
		return root
	}
	
	function processPre (el) {
		if (getAndRemoveAttr(el, 'v-pre') != null) {
			el.pre = true
		}
	}
	
	function processRawAttrs (el) {
		var l = el.attrsList.length
		if (l) {
			var attrs = el.attrs = new Array(l)
			for (var i = 0; i < l; i++) {
				attrs[i] = {
					name: el.attrsList[i].name,
					value: JSON.stringify(el.attrsList[i].value)
				}
			}
		} else if (!el.pre) {
			// non root node in pre blocks with no attributes
			el.plain = true
		}
	}
	
	function processKey (el) {
		var exp = getBindingAttr(el, 'key')
		if (exp) {
			if ("development" !== 'production' && el.tag === 'template') {
				warn$1("<template> cannot be keyed. Place the key on real elements instead.")
			}
			el.key = exp
		}
	}
	
	function processRef (el) {
		var ref = getBindingAttr(el, 'ref')
		if (ref) {
			el.ref = ref
			el.refInFor = checkInFor(el)
		}
	}
	
	function processFor (el) {
		var exp
		if ((exp = getAndRemoveAttr(el, 'v-for'))) {
			var inMatch = exp.match(forAliasRE)
			if (!inMatch) {
				"development" !== 'production' && warn$1(
					("Invalid v-for expression: " + exp)
				)
				return
			}
			el.for = inMatch[2].trim()
			var alias = inMatch[1].trim()
			var iteratorMatch = alias.match(forIteratorRE)
			if (iteratorMatch) {
				el.alias = iteratorMatch[1].trim()
				el.iterator1 = iteratorMatch[2].trim()
				if (iteratorMatch[3]) {
					el.iterator2 = iteratorMatch[3].trim()
				}
			} else {
				el.alias = alias
			}
		}
	}
	
	function processIf (el) {
		var exp = getAndRemoveAttr(el, 'v-if')
		if (exp) {
			el.if = exp
		}
		if (getAndRemoveAttr(el, 'v-else') != null) {
			el.else = true
		}
	}
	
	function processElse (el, parent) {
		var prev = findPrevElement(parent.children)
		if (prev && prev.if) {
			prev.elseBlock = el
		} else {
			warn$1(
				("v-else used on element <" + (el.tag) + "> without corresponding v-if.")
			)
		}
	}
	
	function processOnce (el) {
		var once = getAndRemoveAttr(el, 'v-once')
		if (once != null) {
			el.once = true
		}
	}
	
	function processSlot (el) {
		if (el.tag === 'slot') {
			el.slotName = getBindingAttr(el, 'name')
		} else {
			var slotTarget = getBindingAttr(el, 'slot')
			if (slotTarget) {
				el.slotTarget = slotTarget
			}
		}
	}
	
	function processComponent (el) {
		var binding
		if ((binding = getBindingAttr(el, 'is'))) {
			el.component = binding
		}
		if (getAndRemoveAttr(el, 'inline-template') != null) {
			el.inlineTemplate = true
		}
	}
	
	function processAttrs (el) {
		var list = el.attrsList
		var i, l, name, value, arg, modifiers, isProp
		for (i = 0, l = list.length; i < l; i++) {
			name = list[i].name
			value = list[i].value
			if (dirRE.test(name)) {
				// mark element as dynamic
				el.hasBindings = true
				// modifiers
				modifiers = parseModifiers(name)
				if (modifiers) {
					name = name.replace(modifierRE, '')
				}
				if (bindRE.test(name)) { // v-bind
					name = name.replace(bindRE, '')
					if (modifiers && modifiers.prop) {
						isProp = true
						name = camelize(name)
						if (name === 'innerHtml') { name = 'innerHTML' }
					}
					if (isProp || platformMustUseProp(name)) {
						addProp(el, name, value)
					} else {
						addAttr(el, name, value)
					}
				} else if (onRE.test(name)) { // v-on
					name = name.replace(onRE, '')
					addHandler(el, name, value, modifiers)
				} else { // normal directives
					name = name.replace(dirRE, '')
					// parse arg
					var argMatch = name.match(argRE)
					if (argMatch && (arg = argMatch[1])) {
						name = name.slice(0, -(arg.length + 1))
					}
					addDirective(el, name, value, arg, modifiers)
				}
			} else {
				// literal attribute
				{
					var expression = parseText(value, delimiters)
					if (expression) {
						warn$1(
							name + "=\"" + value + "\": " +
							'Interpolation inside attributes has been deprecated. ' +
							'Use v-bind or the colon shorthand instead.'
						)
					}
				}
				addAttr(el, name, JSON.stringify(value))
			}
		}
	}
	
	function checkInFor (el) {
		var parent = el
		while (parent) {
			if (parent.for !== undefined) {
				return true
			}
			parent = parent.parent
		}
		return false
	}
	
	function parseModifiers (name) {
		var match = name.match(modifierRE)
		if (match) {
			var ret = {}
			match.forEach(function (m) { ret[m.slice(1)] = true })
			return ret
		}
	}
	
	function makeAttrsMap (attrs) {
		var map = {}
		for (var i = 0, l = attrs.length; i < l; i++) {
			if ("development" !== 'production' && map[attrs[i].name]) {
				warn$1('duplicate attribute: ' + attrs[i].name)
			}
			map[attrs[i].name] = attrs[i].value
		}
		return map
	}
	
	function findPrevElement (children) {
		var i = children.length
		while (i--) {
			if (children[i].tag) { return children[i] }
		}
	}
	
	function isForbiddenTag (el) {
		return (
			el.tag === 'style' ||
			(el.tag === 'script' && (
				!el.attrsMap.type ||
				el.attrsMap.type === 'text/javascript'
			))
		)
	}
	
	var ieNSBug = /^xmlns:NS\d+/
	var ieNSPrefix = /^NS\d+:/
	
	/* istanbul ignore next */
	function guardIESVGBug (attrs) {
		var res = []
		for (var i = 0; i < attrs.length; i++) {
			var attr = attrs[i]
			if (!ieNSBug.test(attr.name)) {
				attr.name = attr.name.replace(ieNSPrefix, '')
				res.push(attr)
			}
		}
		return res
	}
	
	/*  */
	
	var isStaticKey
	var isPlatformReservedTag
	
	var genStaticKeysCached = cached(genStaticKeys$1)
	
	/**
	 * Goal of the optimizier: walk the generated template AST tree
	 * and detect sub-trees that are purely static, i.e. parts of
	 * the DOM that never needs to change.
	 *
	 * Once we detect these sub-trees, we can:
	 *
	 * 1. Hoist them into constants, so that we no longer need to
	 *    create fresh nodes for them on each re-render;
	 * 2. Completely skip them in the patching process.
	 */
	function optimize (root, options) {
		if (!root) { return }
		isStaticKey = genStaticKeysCached(options.staticKeys || '')
		isPlatformReservedTag = options.isReservedTag || (function () { return false; })
		// first pass: mark all non-static nodes.
		markStatic(root)
		// second pass: mark static roots.
		markStaticRoots(root, false)
	}
	
	function genStaticKeys$1 (keys) {
		return makeMap(
			'type,tag,attrsList,attrsMap,plain,parent,children,attrs' +
			(keys ? ',' + keys : '')
		)
	}
	
	function markStatic (node) {
		node.static = isStatic(node)
		if (node.type === 1) {
			for (var i = 0, l = node.children.length; i < l; i++) {
				var child = node.children[i]
				markStatic(child)
				if (!child.static) {
					node.static = false
				}
			}
		}
	}
	
	function markStaticRoots (node, isInFor) {
		if (node.type === 1) {
			if (node.once || node.static) {
				node.staticRoot = true
				node.staticInFor = isInFor
				return
			}
			if (node.children) {
				for (var i = 0, l = node.children.length; i < l; i++) {
					markStaticRoots(node.children[i], !!node.for)
				}
			}
		}
	}
	
	function isStatic (node) {
		if (node.type === 2) { // expression
			return false
		}
		if (node.type === 3) { // text
			return true
		}
		return !!(node.pre || (
			!node.hasBindings && // no dynamic bindings
			!node.if && !node.for && // not v-if or v-for or v-else
			!isBuiltInTag(node.tag) && // not a built-in
			isPlatformReservedTag(node.tag) && // not a component
			Object.keys(node).every(isStaticKey)
		))
	}
	
	/*  */
	
	var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['.*?'\]|\[".*?"\]|\[\d+\]|\[[A-Za-z_$][\w$]*\])*$/

// keyCode aliases
	var keyCodes = {
		esc: 27,
		tab: 9,
		enter: 13,
		space: 32,
		up: 38,
		left: 37,
		right: 39,
		down: 40,
		'delete': [8, 46]
	}
	
	var modifierCode = {
		stop: '$event.stopPropagation();',
		prevent: '$event.preventDefault();',
		self: 'if($event.target !== $event.currentTarget)return;'
	}
	
	function genHandlers (events, native) {
		var res = native ? 'nativeOn:{' : 'on:{'
		for (var name in events) {
			res += "\"" + name + "\":" + (genHandler(events[name])) + ","
		}
		return res.slice(0, -1) + '}'
	}
	
	function genHandler (
		handler
	) {
		if (!handler) {
			return 'function(){}'
		} else if (Array.isArray(handler)) {
			return ("[" + (handler.map(genHandler).join(',')) + "]")
		} else if (!handler.modifiers) {
			return simplePathRE.test(handler.value)
				? handler.value
				: ("function($event){" + (handler.value) + "}")
		} else {
			var code = ''
			var keys = []
			for (var key in handler.modifiers) {
				if (modifierCode[key]) {
					code += modifierCode[key]
				} else {
					keys.push(key)
				}
			}
			if (keys.length) {
				code = genKeyFilter(keys) + code
			}
			var handlerCode = simplePathRE.test(handler.value)
				? handler.value + '($event)'
				: handler.value
			return 'function($event){' + code + handlerCode + '}'
		}
	}
	
	function genKeyFilter (keys) {
		var code = keys.length === 1
			? normalizeKeyCode(keys[0])
			: Array.prototype.concat.apply([], keys.map(normalizeKeyCode))
		if (Array.isArray(code)) {
			return ("if(" + (code.map(function (c) { return ("$event.keyCode!==" + c); }).join('&&')) + ")return;")
		} else {
			return ("if($event.keyCode!==" + code + ")return;")
		}
	}
	
	function normalizeKeyCode (key) {
		return (
			parseInt(key, 10) || // number keyCode
			keyCodes[key] || // built-in alias
			("_k(" + (JSON.stringify(key)) + ")") // custom alias
		)
	}
	
	/*  */
	
	function bind$2 (el, dir) {
		el.wrapData = function (code) {
			return ("_b(" + code + "," + (dir.value) + (dir.modifiers && dir.modifiers.prop ? ',true' : '') + ")")
		}
	}
	
	var baseDirectives = {
		bind: bind$2,
		cloak: noop
	}
	
	/*  */

// configurable state
	var warn$2
	var transforms$1
	var dataGenFns
	var platformDirectives$1
	var staticRenderFns
	var currentOptions
	
	function generate (
		ast,
		options
	) {
		// save previous staticRenderFns so generate calls can be nested
		var prevStaticRenderFns = staticRenderFns
		var currentStaticRenderFns = staticRenderFns = []
		currentOptions = options
		warn$2 = options.warn || baseWarn
		transforms$1 = pluckModuleFunction(options.modules, 'transformCode')
		dataGenFns = pluckModuleFunction(options.modules, 'genData')
		platformDirectives$1 = options.directives || {}
		var code = ast ? genElement(ast) : '_h("div")'
		staticRenderFns = prevStaticRenderFns
		return {
			render: ("with(this){return " + code + "}"),
			staticRenderFns: currentStaticRenderFns
		}
	}
	
	function genElement (el) {
		if (el.staticRoot && !el.staticProcessed) {
			// hoist static sub-trees out
			el.staticProcessed = true
			staticRenderFns.push(("with(this){return " + (genElement(el)) + "}"))
			return ("_m(" + (staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
		} else if (el.for && !el.forProcessed) {
			return genFor(el)
		} else if (el.if && !el.ifProcessed) {
			return genIf(el)
		} else if (el.tag === 'template' && !el.slotTarget) {
			return genChildren(el) || 'void 0'
		} else if (el.tag === 'slot') {
			return genSlot(el)
		} else {
			// component or element
			var code
			if (el.component) {
				code = genComponent(el)
			} else {
				var data = genData(el)
				var children = el.inlineTemplate ? null : genChildren(el)
				code = "_h('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")"
			}
			// module transforms
			for (var i = 0; i < transforms$1.length; i++) {
				code = transforms$1[i](el, code)
			}
			return code
		}
	}
	
	function genIf (el) {
		var exp = el.if
		el.ifProcessed = true // avoid recursion
		return ("(" + exp + ")?" + (genElement(el)) + ":" + (genElse(el)))
	}
	
	function genElse (el) {
		return el.elseBlock
			? genElement(el.elseBlock)
			: '_e()'
	}
	
	function genFor (el) {
		var exp = el.for
		var alias = el.alias
		var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : ''
		var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : ''
		el.forProcessed = true // avoid recursion
		return "_l((" + exp + ")," +
			"function(" + alias + iterator1 + iterator2 + "){" +
			"return " + (genElement(el)) +
			'})'
	}
	
	function genData (el) {
		if (el.plain) {
			return
		}
		
		var data = '{'
		
		// directives first.
		// directives may mutate the el's other properties before they are generated.
		var dirs = genDirectives(el)
		if (dirs) { data += dirs + ',' }
		
		// key
		if (el.key) {
			data += "key:" + (el.key) + ","
		}
		// ref
		if (el.ref) {
			data += "ref:" + (el.ref) + ","
		}
		if (el.refInFor) {
			data += "refInFor:true,"
		}
		// record original tag name for components using "is" attribute
		if (el.component) {
			data += "tag:\"" + (el.tag) + "\","
		}
		// slot target
		if (el.slotTarget) {
			data += "slot:" + (el.slotTarget) + ","
		}
		// module data generation functions
		for (var i = 0; i < dataGenFns.length; i++) {
			data += dataGenFns[i](el)
		}
		// attributes
		if (el.attrs) {
			data += "attrs:{" + (genProps(el.attrs)) + "},"
		}
		// DOM props
		if (el.props) {
			data += "domProps:{" + (genProps(el.props)) + "},"
		}
		// event handlers
		if (el.events) {
			data += (genHandlers(el.events)) + ","
		}
		if (el.nativeEvents) {
			data += (genHandlers(el.nativeEvents, true)) + ","
		}
		// inline-template
		if (el.inlineTemplate) {
			var ast = el.children[0]
			if ("development" !== 'production' && (
					el.children.length > 1 || ast.type !== 1
				)) {
				warn$2('Inline-template components must have exactly one child element.')
			}
			if (ast.type === 1) {
				var inlineRenderFns = generate(ast, currentOptions)
				data += "inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}"
			}
		}
		data = data.replace(/,$/, '') + '}'
		// v-bind data wrap
		if (el.wrapData) {
			data = el.wrapData(data)
		}
		return data
	}
	
	function genDirectives (el) {
		var dirs = el.directives
		if (!dirs) { return }
		var res = 'directives:['
		var hasRuntime = false
		var i, l, dir, needRuntime
		for (i = 0, l = dirs.length; i < l; i++) {
			dir = dirs[i]
			needRuntime = true
			var gen = platformDirectives$1[dir.name] || baseDirectives[dir.name]
			if (gen) {
				// compile-time directive that manipulates AST.
				// returns true if it also needs a runtime counterpart.
				needRuntime = !!gen(el, dir, warn$2)
			}
			if (needRuntime) {
				hasRuntime = true
				res += "{name:\"" + (dir.name) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:\"" + (dir.arg) + "\"") : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},"
			}
		}
		if (hasRuntime) {
			return res.slice(0, -1) + ']'
		}
	}
	
	function genChildren (el) {
		if (el.children.length) {
			return '[' + el.children.map(genNode).join(',') + ']'
		}
	}
	
	function genNode (node) {
		if (node.type === 1) {
			return genElement(node)
		} else {
			return genText(node)
		}
	}
	
	function genText (text) {
		return text.type === 2
			? text.expression // no need for () because already wrapped in _s()
			: JSON.stringify(text.text)
	}
	
	function genSlot (el) {
		var slotName = el.slotName || '"default"'
		var children = genChildren(el)
		return children
			? ("_t(" + slotName + "," + children + ")")
			: ("_t(" + slotName + ")")
	}
	
	function genComponent (el) {
		var children = genChildren(el)
		return ("_h(" + (el.component) + "," + (genData(el)) + (children ? ("," + children) : '') + ")")
	}
	
	function genProps (props) {
		var res = ''
		for (var i = 0; i < props.length; i++) {
			var prop = props[i]
			res += "\"" + (prop.name) + "\":" + (prop.value) + ","
		}
		return res.slice(0, -1)
	}
	
	/*  */
	
	/**
	 * Compile a template.
	 */
	function compile$1 (
		template,
		options
	) {
		var ast = parse(template.trim(), options)
		optimize(ast, options)
		var code = generate(ast, options)
		return {
			ast: ast,
			render: code.render,
			staticRenderFns: code.staticRenderFns
		}
	}
	
	/*  */

// operators like typeof, instanceof and in are allowed
	var prohibitedKeywordRE = new RegExp('\\b' + (
			'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
			'super,throw,while,yield,delete,export,import,return,switch,default,' +
			'extends,finally,continue,debugger,function,arguments'
		).split(',').join('\\b|\\b') + '\\b')
// check valid identifier for v-for
	var identRE = /[A-Za-z_$][\w$]*/
// strip strings in expressions
	var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g

// detect problematic expressions in a template
	function detectErrors (ast) {
		var errors = []
		if (ast) {
			checkNode(ast, errors)
		}
		return errors
	}
	
	function checkNode (node, errors) {
		if (node.type === 1) {
			for (var name in node.attrsMap) {
				if (dirRE.test(name)) {
					var value = node.attrsMap[name]
					if (value) {
						if (name === 'v-for') {
							checkFor(node, ("v-for=\"" + value + "\""), errors)
						} else {
							checkExpression(value, (name + "=\"" + value + "\""), errors)
						}
					}
				}
			}
			if (node.children) {
				for (var i = 0; i < node.children.length; i++) {
					checkNode(node.children[i], errors)
				}
			}
		} else if (node.type === 2) {
			checkExpression(node.expression, node.text, errors)
		}
	}
	
	function checkFor (node, text, errors) {
		checkExpression(node.for || '', text, errors)
		checkIdentifier(node.alias, 'v-for alias', text, errors)
		checkIdentifier(node.iterator1, 'v-for iterator', text, errors)
		checkIdentifier(node.iterator2, 'v-for iterator', text, errors)
	}
	
	function checkIdentifier (ident, type, text, errors) {
		if (typeof ident === 'string' && !identRE.test(ident)) {
			errors.push(("- invalid " + type + " \"" + ident + "\" in expression: " + text))
		}
	}
	
	function checkExpression (exp, text, errors) {
		try {
			new Function(("return " + exp))
		} catch (e) {
			var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE)
			if (keywordMatch) {
				errors.push(
					"- avoid using JavaScript keyword as property name: " +
					"\"" + (keywordMatch[0]) + "\" in expression " + text
				)
			} else {
				errors.push(("- invalid expression: " + text))
			}
		}
	}
	
	/*  */
	
	function transformNode (el, options) {
		var warn = options.warn || baseWarn
		var staticClass = getAndRemoveAttr(el, 'class')
		if ("development" !== 'production' && staticClass) {
			var expression = parseText(staticClass, options.delimiters)
			if (expression) {
				warn(
					"class=\"" + staticClass + "\": " +
					'Interpolation inside attributes has been deprecated. ' +
					'Use v-bind or the colon shorthand instead.'
				)
			}
		}
		if (staticClass) {
			el.staticClass = JSON.stringify(staticClass)
		}
		var classBinding = getBindingAttr(el, 'class', false /* getStatic */)
		if (classBinding) {
			el.classBinding = classBinding
		}
	}
	
	function genData$1 (el) {
		var data = ''
		if (el.staticClass) {
			data += "staticClass:" + (el.staticClass) + ","
		}
		if (el.classBinding) {
			data += "class:" + (el.classBinding) + ","
		}
		return data
	}
	
	var klass$1 = {
		staticKeys: ['staticClass'],
		transformNode: transformNode,
		genData: genData$1
	}
	
	/*  */
	
	function transformNode$1 (el) {
		var styleBinding = getBindingAttr(el, 'style', false /* getStatic */)
		if (styleBinding) {
			el.styleBinding = styleBinding
		}
	}
	
	function genData$2 (el) {
		return el.styleBinding
			? ("style:(" + (el.styleBinding) + "),")
			: ''
	}
	
	var style$1 = {
		transformNode: transformNode$1,
		genData: genData$2
	}
	
	var modules$1 = [
		klass$1,
		style$1
	]
	
	/*  */
	
	var warn$3
	
	function model$1 (
		el,
		dir,
		_warn
	) {
		warn$3 = _warn
		var value = dir.value
		var modifiers = dir.modifiers
		var tag = el.tag
		var type = el.attrsMap.type
		if (tag === 'select') {
			return genSelect(el, value)
		} else if (tag === 'input' && type === 'checkbox') {
			genCheckboxModel(el, value)
		} else if (tag === 'input' && type === 'radio') {
			genRadioModel(el, value)
		} else {
			return genDefaultModel(el, value, modifiers)
		}
	}
	
	function genCheckboxModel (el, value) {
		if ("development" !== 'production' &&
			el.attrsMap.checked != null) {
			warn$3(
				"<" + (el.tag) + " v-model=\"" + value + "\" checked>:\n" +
				"inline checked attributes will be ignored when using v-model. " +
				'Declare initial values in the component\'s data option instead.'
			)
		}
		var valueBinding = getBindingAttr(el, 'value') || 'null'
		var trueValueBinding = getBindingAttr(el, 'true-value') || 'true'
		var falseValueBinding = getBindingAttr(el, 'false-value') || 'false'
		addProp(el, 'checked',
			"Array.isArray(" + value + ")" +
			"?_i(" + value + "," + valueBinding + ")>-1" +
			":_q(" + value + "," + trueValueBinding + ")"
		)
		addHandler(el, 'change',
			"var $$a=" + value + "," +
			'$$el=$event.target,' +
			"$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
			'if(Array.isArray($$a)){' +
			"var $$v=" + valueBinding + "," +
			'$$i=_i($$a,$$v);' +
			"if($$c){$$i<0&&(" + value + "=$$a.concat($$v))}" +
			"else{$$i>-1&&(" + value + "=$$a.slice(0,$$i).concat($$a.slice($$i+1)))}" +
			"}else{" + value + "=$$c}",
			null, true
		)
	}
	
	function genRadioModel (el, value) {
		if ("development" !== 'production' &&
			el.attrsMap.checked != null) {
			warn$3(
				"<" + (el.tag) + " v-model=\"" + value + "\" checked>:\n" +
				"inline checked attributes will be ignored when using v-model. " +
				'Declare initial values in the component\'s data option instead.'
			)
		}
		var valueBinding = getBindingAttr(el, 'value') || 'null'
		addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"))
		addHandler(el, 'change', (value + "=" + valueBinding), null, true)
	}
	
	function genDefaultModel (
		el,
		value,
		modifiers
	) {
		{
			if (el.tag === 'input' && el.attrsMap.value) {
				warn$3(
					"<" + (el.tag) + " v-model=\"" + value + "\" value=\"" + (el.attrsMap.value) + "\">:\n" +
					'inline value attributes will be ignored when using v-model. ' +
					'Declare initial values in the component\'s data option instead.'
				)
			}
			if (el.tag === 'textarea' && el.children.length) {
				warn$3(
					"<textarea v-model=\"" + value + "\">:\n" +
					'inline content inside <textarea> will be ignored when using v-model. ' +
					'Declare initial values in the component\'s data option instead.'
				)
			}
		}
		
		var type = el.attrsMap.type
		var ref = modifiers || {};
		var lazy = ref.lazy;
		var number = ref.number;
		var trim = ref.trim;
		var event = lazy || (isIE && type === 'range') ? 'change' : 'input'
		var needCompositionGuard = !lazy && type !== 'range'
		var isNative = el.tag === 'input' || el.tag === 'textarea'
		
		var valueExpression = isNative
			? ("$event.target.value" + (trim ? '.trim()' : ''))
			: "$event"
		var code = number || type === 'number'
			? (value + "=_n(" + valueExpression + ")")
			: (value + "=" + valueExpression)
		if (isNative && needCompositionGuard) {
			code = "if($event.target.composing)return;" + code
		}
		// inputs with type="file" are read only and setting the input's
		// value will throw an error.
		if ("development" !== 'production' &&
			type === 'file') {
			warn$3(
				"<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
				"File inputs are read only. Use a v-on:change listener instead."
			)
		}
		addProp(el, 'value', isNative ? ("_s(" + value + ")") : ("(" + value + ")"))
		addHandler(el, event, code, null, true)
		if (needCompositionGuard) {
			// need runtime directive code to help with composition events
			return true
		}
	}
	
	function genSelect (el, value) {
		{
			el.children.some(checkOptionWarning)
		}
		var code = value + "=Array.prototype.filter" +
			".call($event.target.options,function(o){return o.selected})" +
			".map(function(o){return \"_value\" in o ? o._value : o.value})" +
			(el.attrsMap.multiple == null ? '[0]' : '')
		addHandler(el, 'change', code, null, true)
		// need runtime to help with possible dynamically generated options
		return true
	}
	
	function checkOptionWarning (option) {
		if (option.type === 1 &&
			option.tag === 'option' &&
			option.attrsMap.selected != null) {
			warn$3(
				"<select v-model=\"" + (option.parent.attrsMap['v-model']) + "\">:\n" +
				'inline selected attributes on <option> will be ignored when using v-model. ' +
				'Declare initial values in the component\'s data option instead.'
			)
			return true
		}
		return false
	}
	
	/*  */
	
	function text (el, dir) {
		if (dir.value) {
			addProp(el, 'textContent', ("_s(" + (dir.value) + ")"))
		}
	}
	
	/*  */
	
	function html (el, dir) {
		if (dir.value) {
			addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"))
		}
	}
	
	var directives$1 = {
		model: model$1,
		text: text,
		html: html
	}
	
	/*  */
	
	var cache = Object.create(null)
	
	var baseOptions = {
		isIE: isIE,
		expectHTML: true,
		modules: modules$1,
		staticKeys: genStaticKeys(modules$1),
		directives: directives$1,
		isReservedTag: isReservedTag,
		isUnaryTag: isUnaryTag,
		mustUseProp: mustUseProp,
		getTagNamespace: getTagNamespace,
		isPreTag: isPreTag
	}
	
	function compile$$1 (
		template,
		options
	) {
		options = options
			? extend(extend({}, baseOptions), options)
			: baseOptions
		return compile$1(template, options)
	}
	
	function compileToFunctions (
		template,
		options,
		vm
	) {
		var _warn = (options && options.warn) || warn
		// detect possible CSP restriction
		/* istanbul ignore if */
		{
			try {
				new Function('return 1')
			} catch (e) {
				if (e.toString().match(/unsafe-eval|CSP/)) {
					_warn(
						'It seems you are using the standalone build of Vue.js in an ' +
						'environment with Content Security Policy that prohibits unsafe-eval. ' +
						'The template compiler cannot work in this environment. Consider ' +
						'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
						'templates into render functions.'
					)
				}
			}
		}
		var key = options && options.delimiters
			? String(options.delimiters) + template
			: template
		if (cache[key]) {
			return cache[key]
		}
		var res = {}
		var compiled = compile$$1(template, options)
		res.render = makeFunction(compiled.render)
		var l = compiled.staticRenderFns.length
		res.staticRenderFns = new Array(l)
		for (var i = 0; i < l; i++) {
			res.staticRenderFns[i] = makeFunction(compiled.staticRenderFns[i])
		}
		{
			if (res.render === noop || res.staticRenderFns.some(function (fn) { return fn === noop; })) {
				_warn(
					"failed to compile template:\n\n" + template + "\n\n" +
					detectErrors(compiled.ast).join('\n') +
					'\n\n',
					vm
				)
			}
		}
		return (cache[key] = res)
	}
	
	function makeFunction (code) {
		try {
			return new Function(code)
		} catch (e) {
			return noop
		}
	}
	
	/*  */
	
	var idToTemplate = cached(function (id) {
		var el = query(id)
		return el && el.innerHTML
	})
	
	var mount = Vue$3.prototype.$mount
	Vue$3.prototype.$mount = function (
		el,
		hydrating
	) {
		el = el && query(el)
		
		/* istanbul ignore if */
		if (el === document.body || el === document.documentElement) {
			"development" !== 'production' && warn(
				"Do not mount Vue to <html> or <body> - mount to normal elements instead."
			)
			return this
		}
		
		var options = this.$options
		// resolve template/el and convert to render function
		if (!options.render) {
			var template = options.template
			var isFromDOM = false
			if (template) {
				if (typeof template === 'string') {
					if (template.charAt(0) === '#') {
						isFromDOM = true
						template = idToTemplate(template)
					}
				} else if (template.nodeType) {
					isFromDOM = true
					template = template.innerHTML
				} else {
					{
						warn('invalid template option:' + template, this)
					}
					return this
				}
			} else if (el) {
				isFromDOM = true
				template = getOuterHTML(el)
			}
			if (template) {
				var ref = compileToFunctions(template, {
					warn: warn,
					isFromDOM: isFromDOM,
					shouldDecodeTags: shouldDecodeTags,
					shouldDecodeNewlines: shouldDecodeNewlines,
					delimiters: options.delimiters
				}, this);
				var render = ref.render;
				var staticRenderFns = ref.staticRenderFns;
				options.render = render
				options.staticRenderFns = staticRenderFns
			}
		}
		return mount.call(this, el, hydrating)
	}
	
	/**
	 * Get outerHTML of elements, taking care
	 * of SVG elements in IE as well.
	 */
	function getOuterHTML (el) {
		if (el.outerHTML) {
			return el.outerHTML
		} else {
			var container = document.createElement('div')
			container.appendChild(el.cloneNode(true))
			return container.innerHTML
		}
	}
	
	Vue$3.compile = compileToFunctions
	
	return Vue$3;
	
})));