text: (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
  // shim for using process in browser
  
  var process = module.exports = {};
  var queue = [];
  var draining = false;
  var currentQueue;
  var queueIndex = -1;
  
  function cleanUpNextTick() {
      draining = false;
      if (currentQueue.length) {
          queue = currentQueue.concat(queue);
      } else {
          queueIndex = -1;
      }
      if (queue.length) {
          drainQueue();
      }
  }
  
  function drainQueue() {
      if (draining) {
          return;
      }
      var timeout = setTimeout(cleanUpNextTick);
      draining = true;
  
      var len = queue.length;
      while(len) {
          currentQueue = queue;
          queue = [];
          while (++queueIndex < len) {
              if (currentQueue) {
                  currentQueue[queueIndex].run();
              }
          }
          queueIndex = -1;
          len = queue.length;
      }
      currentQueue = null;
      draining = false;
      clearTimeout(timeout);
  }
  
  process.nextTick = function (fun) {
      var args = new Array(arguments.length - 1);
      if (arguments.length > 1) {
          for (var i = 1; i < arguments.length; i++) {
              args[i - 1] = arguments[i];
          }
      }
      queue.push(new Item(fun, args));
      if (queue.length === 1 && !draining) {
          setTimeout(drainQueue, 0);
      }
  };
  
  // v8 likes predictible objects
  function Item(fun, array) {
      this.fun = fun;
      this.array = array;
  }
  Item.prototype.run = function () {
      this.fun.apply(null, this.array);
  };
  process.title = 'browser';
  process.browser = true;
  process.env = {};
  process.argv = [];
  process.version = ''; // empty string to avoid regexp issues
  process.versions = {};
  
  function noop() {}
  
  process.on = noop;
  process.addListener = noop;
  process.once = noop;
  process.off = noop;
  process.removeListener = noop;
  process.removeAllListeners = noop;
  process.emit = noop;
  
  process.binding = function (name) {
      throw new Error('process.binding is not supported');
  };
  
  process.cwd = function () { return '/' };
  process.chdir = function (dir) {
      throw new Error('process.chdir is not supported');
  };
  process.umask = function() { return 0; };
  
  },{}],2:[function(require,module,exports){
  var _ = require('../util')
  var Watcher = require('../watcher')
  var Path = require('../parsers/path')
  var textParser = require('../parsers/text')
  var dirParser = require('../parsers/directive')
  var expParser = require('../parsers/expression')
  var filterRE = /[^|]\|[^|]/
  
  /**
   * Get the value from an expression on this vm.
   *
   * @param {String} exp
   * @param {Boolean} [asStatement]
   * @return {*}
   */
  
  exports.$get = function (exp, asStatement) {
    var res = expParser.parse(exp)
    if (res) {
      if (asStatement && !expParser.isSimplePath(exp)) {
        var self = this
        return function statementHandler () {
          res.get.call(self, self)
        }
      } else {
        try {
          return res.get.call(this, this)
        } catch (e) {}
      }
    }
  }
  
  /**
   * Set the value from an expression on this vm.
   * The expression must be a valid left-hand
   * expression in an assignment.
   *
   * @param {String} exp
   * @param {*} val
   */
  
  exports.$set = function (exp, val) {
    var res = expParser.parse(exp, true)
    if (res && res.set) {
      res.set.call(this, this, val)
    }
  }
  
  /**
   * Delete a property on the VM
   *
   * @param {String} key
   */
  
  exports.$delete = function (key) {
    _.delete(this._data, key)
  }
  
  /**
   * Watch an expression, trigger callback when its
   * value changes.
   *
   * @param {String|Function} expOrFn
   * @param {Function} cb
   * @param {Object} [options]
   *                 - {Boolean} deep
   *                 - {Boolean} immediate
   * @return {Function} - unwatchFn
   */
  
  exports.$watch = function (expOrFn, cb, options) {
    var vm = this
    var parsed
    if (typeof expOrFn === 'string') {
      parsed = dirParser.parse(expOrFn)
      expOrFn = parsed.expression
    }
    var watcher = new Watcher(vm, expOrFn, cb, {
      deep: options && options.deep,
      filters: parsed && parsed.filters
    })
    if (options && options.immediate) {
      cb.call(vm, watcher.value)
    }
    return function unwatchFn () {
      watcher.teardown()
    }
  }
  
  /**
   * Evaluate a text directive, including filters.
   *
   * @param {String} text
   * @param {Boolean} [asStatement]
   * @return {String}
   */
  
  exports.$eval = function (text, asStatement) {
    // check for filters.
    if (filterRE.test(text)) {
      var dir = dirParser.parse(text)
      // the filter regex check might give false positive
      // for pipes inside strings, so it's possible that
      // we don't get any filters here
      var val = this.$get(dir.expression, asStatement)
      return dir.filters
        ? this._applyFilters(val, null, dir.filters)
        : val
    } else {
      // no filter
      return this.$get(text, asStatement)
    }
  }
  
  /**
   * Interpolate a piece of template text.
   *
   * @param {String} text
   * @return {String}
   */
  
  exports.$interpolate = function (text) {
    var tokens = textParser.parse(text)
    var vm = this
    if (tokens) {
      if (tokens.length === 1) {
        return vm.$eval(tokens[0].value) + ''
      } else {
        return tokens.map(function (token) {
          return token.tag
            ? vm.$eval(token.value)
            : token.value
        }).join('')
      }
    } else {
      return text
    }
  }
  
  /**
   * Log instance data as a plain JS object
   * so that it is easier to inspect in console.
   * This method assumes console is available.
   *
   * @param {String} [path]
   */
  
  exports.$log = function (path) {
    var data = path
      ? Path.get(this._data, path)
      : this._data
    if (data) {
      data = clean(data)
    }
    // include computed fields
    if (!path) {
      for (var key in this.$options.computed) {
        data[key] = clean(this[key])
      }
    }
    console.log(data)
  }
  
  /**
   * "clean" a getter/setter converted object into a plain
   * object copy.
   *
   * @param {Object} - obj
   * @return {Object}
   */
  
  function clean (obj) {
    return JSON.parse(JSON.stringify(obj))
  }
  
  },{"../parsers/directive":52,"../parsers/expression":53,"../parsers/path":54,"../parsers/text":56,"../util":64,"../watcher":68}],3:[function(require,module,exports){
  var _ = require('../util')
  var transition = require('../transition')
  
  /**
   * Convenience on-instance nextTick. The callback is
   * auto-bound to the instance, and this avoids component
   * modules having to rely on the global Vue.
   *
   * @param {Function} fn
   */
  
  exports.$nextTick = function (fn) {
    _.nextTick(fn, this)
  }
  
  /**
   * Append instance to target
   *
   * @param {Node} target
   * @param {Function} [cb]
   * @param {Boolean} [withTransition] - defaults to true
   */
  
  exports.$appendTo = function (target, cb, withTransition) {
    return insert(
      this, target, cb, withTransition,
      append, transition.append
    )
  }
  
  /**
   * Prepend instance to target
   *
   * @param {Node} target
   * @param {Function} [cb]
   * @param {Boolean} [withTransition] - defaults to true
   */
  
  exports.$prependTo = function (target, cb, withTransition) {
    target = query(target)
    if (target.hasChildNodes()) {
      this.$before(target.firstChild, cb, withTransition)
    } else {
      this.$appendTo(target, cb, withTransition)
    }
    return this
  }
  
  /**
   * Insert instance before target
   *
   * @param {Node} target
   * @param {Function} [cb]
   * @param {Boolean} [withTransition] - defaults to true
   */
  
  exports.$before = function (target, cb, withTransition) {
    return insert(
      this, target, cb, withTransition,
      before, transition.before
    )
  }
  
  /**
   * Insert instance after target
   *
   * @param {Node} target
   * @param {Function} [cb]
   * @param {Boolean} [withTransition] - defaults to true
   */
  
  exports.$after = function (target, cb, withTransition) {
    target = query(target)
    if (target.nextSibling) {
      this.$before(target.nextSibling, cb, withTransition)
    } else {
      this.$appendTo(target.parentNode, cb, withTransition)
    }
    return this
  }
  
  /**
   * Remove instance from DOM
   *
   * @param {Function} [cb]
   * @param {Boolean} [withTransition] - defaults to true
   */
  
  exports.$remove = function (cb, withTransition) {
    if (!this.$el.parentNode) {
      return cb && cb()
    }
    var inDoc = this._isAttached && _.inDoc(this.$el)
    // if we are not in document, no need to check
    // for transitions
    if (!inDoc) withTransition = false
    var self = this
    var realCb = function () {
      if (inDoc) self._callHook('detached')
      if (cb) cb()
    }
    if (this._isFragment) {
      _.removeNodeRange(
        this._fragmentStart,
        this._fragmentEnd,
        this, this._fragment, realCb
      )
    } else {
      var op = withTransition === false
        ? remove
        : transition.remove
      op(this.$el, this, realCb)
    }
    return this
  }
  
  /**
   * Shared DOM insertion function.
   *
   * @param {Vue} vm
   * @param {Element} target
   * @param {Function} [cb]
   * @param {Boolean} [withTransition]
   * @param {Function} op1 - op for non-transition insert
   * @param {Function} op2 - op for transition insert
   * @return vm
   */
  
  function insert (vm, target, cb, withTransition, op1, op2) {
    target = query(target)
    var targetIsDetached = !_.inDoc(target)
    var op = withTransition === false || targetIsDetached
        ? op1
        : op2
    var shouldCallHook =
      !targetIsDetached &&
      !vm._isAttached &&
      !_.inDoc(vm.$el)
    if (vm._isFragment) {
      _.mapNodeRange(vm._fragmentStart, vm._fragmentEnd, function (node) {
        op(node, target, vm)
      })
      cb && cb()
    } else {
      op(vm.$el, target, vm, cb)
    }
    if (shouldCallHook) {
      vm._callHook('attached')
    }
    return vm
  }
  
  /**
   * Check for selectors
   *
   * @param {String|Element} el
   */
  
  function query (el) {
    return typeof el === 'string'
      ? document.querySelector(el)
      : el
  }
  
  /**
   * Append operation that takes a callback.
   *
   * @param {Node} el
   * @param {Node} target
   * @param {Vue} vm - unused
   * @param {Function} [cb]
   */
  
  function append (el, target, vm, cb) {
    target.appendChild(el)
    if (cb) cb()
  }
  
  /**
   * InsertBefore operation that takes a callback.
   *
   * @param {Node} el
   * @param {Node} target
   * @param {Vue} vm - unused
   * @param {Function} [cb]
   */
  
  function before (el, target, vm, cb) {
    _.before(el, target)
    if (cb) cb()
  }
  
  /**
   * Remove operation that takes a callback.
   *
   * @param {Node} el
   * @param {Vue} vm - unused
   * @param {Function} [cb]
   */
  
  function remove (el, vm, cb) {
    _.remove(el)
    if (cb) cb()
  }
  
  },{"../transition":57,"../util":64}],4:[function(require,module,exports){
  var _ = require('../util')
  
  /**
   * Listen on the given `event` with `fn`.
   *
   * @param {String} event
   * @param {Function} fn
   */
  
  exports.$on = function (event, fn) {
    (this._events[event] || (this._events[event] = []))
      .push(fn)
    modifyListenerCount(this, event, 1)
    return this
  }
  
  /**
   * Adds an `event` listener that will be invoked a single
   * time then automatically removed.
   *
   * @param {String} event
   * @param {Function} fn
   */
  
  exports.$once = function (event, fn) {
    var self = this
    function on () {
      self.$off(event, on)
      fn.apply(this, arguments)
    }
    on.fn = fn
    this.$on(event, on)
    return this
  }
  
  /**
   * Remove the given callback for `event` or all
   * registered callbacks.
   *
   * @param {String} event
   * @param {Function} fn
   */
  
  exports.$off = function (event, fn) {
    var cbs
    // all
    if (!arguments.length) {
      if (this.$parent) {
        for (event in this._events) {
          cbs = this._events[event]
          if (cbs) {
            modifyListenerCount(this, event, -cbs.length)
          }
        }
      }
      this._events = {}
      return this
    }
    // specific event
    cbs = this._events[event]
    if (!cbs) {
      return this
    }
    if (arguments.length === 1) {
      modifyListenerCount(this, event, -cbs.length)
      this._events[event] = null
      return this
    }
    // specific handler
    var cb
    var i = cbs.length
    while (i--) {
      cb = cbs[i]
      if (cb === fn || cb.fn === fn) {
        modifyListenerCount(this, event, -1)
        cbs.splice(i, 1)
        break
      }
    }
    return this
  }
  
  /**
   * Trigger an event on self.
   *
   * @param {String} event
   */
  
  exports.$emit = function (event) {
    var cbs = this._events[event]
    this._shouldPropagate = !cbs
    if (cbs) {
      cbs = cbs.length > 1
        ? _.toArray(cbs)
        : cbs
      var args = _.toArray(arguments, 1)
      for (var i = 0, l = cbs.length; i < l; i++) {
        var res = cbs[i].apply(this, args)
        if (res === true) {
          this._shouldPropagate = true
        }
      }
    }
    return this
  }
  
  /**
   * Recursively broadcast an event to all children instances.
   *
   * @param {String} event
   * @param {...*} additional arguments
   */
  
  exports.$broadcast = function (event) {
    // if no child has registered for this event,
    // then there's no need to broadcast.
    if (!this._eventsCount[event]) return
    var children = this.$children
    for (var i = 0, l = children.length; i < l; i++) {
      var child = children[i]
      child.$emit.apply(child, arguments)
      if (child._shouldPropagate) {
        child.$broadcast.apply(child, arguments)
      }
    }
    return this
  }
  
  /**
   * Recursively propagate an event up the parent chain.
   *
   * @param {String} event
   * @param {...*} additional arguments
   */
  
  exports.$dispatch = function () {
    this.$emit.apply(this, arguments)
    var parent = this.$parent
    while (parent) {
      parent.$emit.apply(parent, arguments)
      parent = parent._shouldPropagate
        ? parent.$parent
        : null
    }
    return this
  }
  
  /**
   * Modify the listener counts on all parents.
   * This bookkeeping allows $broadcast to return early when
   * no child has listened to a certain event.
   *
   * @param {Vue} vm
   * @param {String} event
   * @param {Number} count
   */
  
  var hookRE = /^hook:/
  function modifyListenerCount (vm, event, count) {
    var parent = vm.$parent
    // hooks do not get broadcasted so no need
    // to do bookkeeping for them
    if (!parent || !count || hookRE.test(event)) return
    while (parent) {
      parent._eventsCount[event] =
        (parent._eventsCount[event] || 0) + count
      parent = parent.$parent
    }
  }
  
  },{"../util":64}],5:[function(require,module,exports){
  (function (process){
  var _ = require('../util')
  var config = require('../config')
  
  /**
   * Expose useful internals
   */
  
  exports.util = _
  exports.config = config
  exports.set = _.set
  exports.delete = _.delete
  exports.nextTick = _.nextTick
  
  /**
   * The following are exposed for advanced usage / plugins
   */
  
  exports.compiler = require('../compiler')
  exports.FragmentFactory = require('../fragment/factory')
  exports.internalDirectives = require('../directives/internal')
  exports.parsers = {
    path: require('../parsers/path'),
    text: require('../parsers/text'),
    template: require('../parsers/template'),
    directive: require('../parsers/directive'),
    expression: require('../parsers/expression')
  }
  
  /**
   * Each instance constructor, including Vue, has a unique
   * cid. This enables us to create wrapped "child
   * constructors" for prototypal inheritance and cache them.
   */
  
  exports.cid = 0
  var cid = 1
  
  /**
   * Class inheritance
   *
   * @param {Object} extendOptions
   */
  
  exports.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
    var Sub = createClass(name || 'VueComponent')
    Sub.prototype = Object.create(Super.prototype)
    Sub.prototype.constructor = Sub
    Sub.cid = cid++
    Sub.options = _.mergeOptions(
      Super.options,
      extendOptions
    )
    Sub['super'] = Super
    // allow further extension
    Sub.extend = Super.extend
    // create asset registers, so extended classes
    // can have their private assets too.
    config._assetTypes.forEach(function (type) {
      Sub[type] = Super[type]
    })
    // enable recursive self-lookup
    if (name) {
      Sub.options.components[name] = Sub
    }
    // cache constructor
    if (isFirstExtend) {
      extendOptions._Ctor = Sub
    }
    return Sub
  }
  
  /**
   * A function that returns a sub-class constructor with the
   * given name. This gives us much nicer output when
   * logging instances in the console.
   *
   * @param {String} name
   * @return {Function}
   */
  
  function createClass (name) {
    return new Function(
      'return function ' + _.classify(name) +
      ' (options) { this._init(options) }'
    )()
  }
  
  /**
   * Plugin system
   *
   * @param {Object} plugin
   */
  
  exports.use = function (plugin) {
    /* istanbul ignore if */
    if (plugin.installed) {
      return
    }
    // additional parameters
    var args = _.toArray(arguments, 1)
    args.unshift(this)
    if (typeof plugin.install === 'function') {
      plugin.install.apply(plugin, args)
    } else {
      plugin.apply(null, args)
    }
    plugin.installed = true
    return this
  }
  
  /**
   * Apply a global mixin by merging it into the default
   * options.
   */
  
  exports.mixin = function (mixin) {
    var Vue = _.Vue
    Vue.options = _.mergeOptions(Vue.options, mixin)
  }
  
  /**
   * Create asset registration methods with the following
   * signature:
   *
   * @param {String} id
   * @param {*} definition
   */
  
  config._assetTypes.forEach(function (type) {
    exports[type] = function (id, definition) {
      if (!definition) {
        return this.options[type + 's'][id]
      } else {
        /* istanbul ignore if */
        if (process.env.NODE_ENV !== 'production') {
          if (type === 'component' && _.commonTagRE.test(id)) {
            _.warn(
              'Do not use built-in HTML elements as component ' +
              'id: ' + id
            )
          }
        }
        if (
          type === 'component' &&
          _.isPlainObject(definition)
        ) {
          definition.name = id
          definition = _.Vue.extend(definition)
        }
        this.options[type + 's'][id] = definition
        return definition
      }
    }
  })
  
  }).call(this,require('_process'))
  },{"../compiler":11,"../config":13,"../directives/internal":20,"../fragment/factory":42,"../parsers/directive":52,"../parsers/expression":53,"../parsers/path":54,"../parsers/template":55,"../parsers/text":56,"../util":64,"_process":1}],6:[function(require,module,exports){
  (function (process){
  var _ = require('../util')
  var compiler = require('../compiler')
  
  /**
   * Set instance target element and kick off the compilation
   * process. The passed in `el` can be a selector string, an
   * existing Element, or a DocumentFragment (for block
   * instances).
   *
   * @param {Element|DocumentFragment|string} el
   * @public
   */
  
  exports.$mount = function (el) {
    if (this._isCompiled) {
      process.env.NODE_ENV !== 'production' && _.warn(
        '$mount() should be called only once.'
      )
      return
    }
    el = _.query(el)
    if (!el) {
      el = document.createElement('div')
    }
    this._compile(el)
    this._initDOMHooks()
    if (_.inDoc(this.$el)) {
      this._callHook('attached')
      ready.call(this)
    } else {
      this.$once('hook:attached', ready)
    }
    return this
  }
  
  /**
   * Mark an instance as ready.
   */
  
  function ready () {
    this._isAttached = true
    this._isReady = true
    this._callHook('ready')
  }
  
  /**
   * Teardown the instance, simply delegate to the internal
   * _destroy.
   */
  
  exports.$destroy = function (remove, deferCleanup) {
    this._destroy(remove, deferCleanup)
  }
  
  /**
   * Partially compile a piece of DOM and return a
   * decompile function.
   *
   * @param {Element|DocumentFragment} el
   * @param {Vue} [host]
   * @return {Function}
   */
  
  exports.$compile = function (el, host, scope, frag) {
    return compiler.compile(el, this.$options, true)(
      this, el, host, scope, frag
    )
  }
  
  }).call(this,require('_process'))
  },{"../compiler":11,"../util":64,"_process":1}],7:[function(require,module,exports){
  (function (process){
  var _ = require('./util')
  var config = require('./config')
  
  // we have two separate queues: one for directive updates
  // and one for user watcher registered via $watch().
  // we want to guarantee directive updates to be called
  // before user watchers so that when user watchers are
  // triggered, the DOM would have already been in updated
  // state.
  var queue = []
  var userQueue = []
  var has = {}
  var circular = {}
  var waiting = false
  var internalQueueDepleted = false
  
  /**
   * Reset the batcher's state.
   */
  
  function resetBatcherState () {
    queue = []
    userQueue = []
    has = {}
    circular = {}
    waiting = internalQueueDepleted = false
  }
  
  /**
   * Flush both queues and run the watchers.
   */
  
  function flushBatcherQueue () {
    runBatcherQueue(queue)
    internalQueueDepleted = true
    runBatcherQueue(userQueue)
    // dev tool hook
    /* istanbul ignore if */
    if (process.env.NODE_ENV !== 'production') {
      if (_.inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__) {
        window.__VUE_DEVTOOLS_GLOBAL_HOOK__.emit('flush')
      }
    }
    resetBatcherState()
  }
  
  /**
   * Run the watchers in a single queue.
   *
   * @param {Array} queue
   */
  
  function runBatcherQueue (queue) {
    // do not cache length because more watchers might be pushed
    // as we run existing watchers
    for (var i = 0; i < queue.length; i++) {
      var watcher = queue[i]
      var id = watcher.id
      has[id] = null
      watcher.run()
      // in dev build, check and stop circular updates.
      if (process.env.NODE_ENV !== 'production' && has[id] != null) {
        circular[id] = (circular[id] || 0) + 1
        if (circular[id] > config._maxUpdateCount) {
          queue.splice(has[id], 1)
          _.warn(
            'You may have an infinite update loop for watcher ' +
            'with expression: ' + watcher.expression
          )
        }
      }
    }
  }
  
  /**
   * Push a watcher into the watcher queue.
   * Jobs with duplicate IDs will be skipped unless it's
   * pushed when the queue is being flushed.
   *
   * @param {Watcher} watcher
   *   properties:
   *   - {Number} id
   *   - {Function} run
   */
  
  exports.push = function (watcher) {
    var id = watcher.id
    if (has[id] == null) {
      // if an internal watcher is pushed, but the internal
      // queue is already depleted, we run it immediately.
      if (internalQueueDepleted && !watcher.user) {
        watcher.run()
        return
      }
      // push watcher into appropriate queue
      var q = watcher.user ? userQueue : queue
      has[id] = q.length
      q.push(watcher)
      // queue the flush
      if (!waiting) {
        waiting = true
        _.nextTick(flushBatcherQueue)
      }
    }
  }
  
  }).call(this,require('_process'))
  },{"./config":13,"./util":64,"_process":1}],8:[function(require,module,exports){
  /**
   * A doubly linked list-based Least Recently Used (LRU)
   * cache. Will keep most recently used items while
   * discarding least recently used items when its limit is
   * reached. This is a bare-bone version of
   * Rasmus Andersson's js-lru:
   *
   *   https://github.com/rsms/js-lru
   *
   * @param {Number} limit
   * @constructor
   */
  
  function Cache (limit) {
    this.size = 0
    this.limit = limit
    this.head = this.tail = undefined
    this._keymap = Object.create(null)
  }
  
  var p = Cache.prototype
  
  /**
   * Put <value> into the cache associated with <key>.
   * Returns the entry which was removed to make room for
   * the new entry. Otherwise undefined is returned.
   * (i.e. if there was enough room already).
   *
   * @param {String} key
   * @param {*} value
   * @return {Entry|undefined}
   */
  
  p.put = function (key, value) {
    var entry = {
      key: key,
      value: value
    }
    this._keymap[key] = entry
    if (this.tail) {
      this.tail.newer = entry
      entry.older = this.tail
    } else {
      this.head = entry
    }
    this.tail = entry
    if (this.size === this.limit) {
      return this.shift()
    } else {
      this.size++
    }
  }
  
  /**
   * Purge the least recently used (oldest) entry from the
   * cache. Returns the removed entry or undefined if the
   * cache was empty.
   */
  
  p.shift = function () {
    var entry = this.head
    if (entry) {
      this.head = this.head.newer
      this.head.older = undefined
      entry.newer = entry.older = undefined
      this._keymap[entry.key] = undefined
    }
    return entry
  }
  
  /**
   * Get and register recent use of <key>. Returns the value
   * associated with <key> or undefined if not in cache.
   *
   * @param {String} key
   * @param {Boolean} returnEntry
   * @return {Entry|*}
   */
  
  p.get = function (key, returnEntry) {
    var entry = this._keymap[key]
    if (entry === undefined) return
    if (entry === this.tail) {
      return returnEntry
        ? entry
        : entry.value
    }
    // HEAD--------------TAIL
    //   <.older   .newer>
    //  <--- add direction --
    //   A  B  C  <D>  E
    if (entry.newer) {
      if (entry === this.head) {
        this.head = entry.newer
      }
      entry.newer.older = entry.older // C <-- E.
    }
    if (entry.older) {
      entry.older.newer = entry.newer // C. --> E
    }
    entry.newer = undefined // D --x
    entry.older = this.tail // D. --> E
    if (this.tail) {
      this.tail.newer = entry // E. <-- D
    }
    this.tail = entry
    return returnEntry
      ? entry
      : entry.value
  }
  
  module.exports = Cache
  
  },{}],9:[function(require,module,exports){
  (function (process){
  var _ = require('../util')
  var dirParser = require('../parsers/directive')
  var propDef = require('../directives/internal/prop')
  var propBindingModes = require('../config')._propBindingModes
  var empty = {}
  
  // regexes
  var identRE = require('../parsers/path').identRE
  var settablePathRE = /^[A-Za-z_$][\w$]*(\.[A-Za-z_$][\w$]*|\[[^\[\]]+\])*$/
  
  /**
   * Compile props on a root element and return
   * a props link function.
   *
   * @param {Element|DocumentFragment} el
   * @param {Array} propOptions
   * @return {Function} propsLinkFn
   */
  
  module.exports = function compileProps (el, propOptions) {
    var props = []
    var names = Object.keys(propOptions)
    var i = names.length
    var options, name, attr, value, path, parsed, prop
    while (i--) {
      name = names[i]
      options = propOptions[name] || empty
  
      if (process.env.NODE_ENV !== 'production' && name === '$data') {
        _.warn('Do not use $data as prop.')
        continue
      }
  
      // props could contain dashes, which will be
      // interpreted as minus calculations by the parser
      // so we need to camelize the path here
      path = _.camelize(name)
      if (!identRE.test(path)) {
        process.env.NODE_ENV !== 'production' && _.warn(
          'Invalid prop key: "' + name + '". Prop keys ' +
          'must be valid identifiers.'
        )
        continue
      }
  
      prop = {
        name: name,
        path: path,
        options: options,
        mode: propBindingModes.ONE_WAY,
        raw: null
      }
  
      attr = _.hyphenate(name)
      // first check dynamic version
      if ((value = _.getBindAttr(el, attr)) === null) {
        if ((value = _.getBindAttr(el, attr + '.sync')) !== null) {
          prop.mode = propBindingModes.TWO_WAY
        } else if ((value = _.getBindAttr(el, attr + '.once')) !== null) {
          prop.mode = propBindingModes.ONE_TIME
        }
      }
      if (value !== null) {
        // has dynamic binding!
        prop.raw = value
        parsed = dirParser.parse(value)
        value = parsed.expression
        prop.filters = parsed.filters
        // check binding type
        if (_.isLiteral(value)) {
          // for expressions containing literal numbers and
          // booleans, there's no need to setup a prop binding,
          // so we can optimize them as a one-time set.
          prop.optimizedLiteral = true
        } else {
          prop.dynamic = true
          // check non-settable path for two-way bindings
          if (process.env.NODE_ENV !== 'production' &&
              prop.mode === propBindingModes.TWO_WAY &&
              !settablePathRE.test(value)) {
            prop.mode = propBindingModes.ONE_WAY
            _.warn(
              'Cannot bind two-way prop with non-settable ' +
              'parent path: ' + value
            )
          }
        }
        prop.parentPath = value
  
        // warn required two-way
        if (
          process.env.NODE_ENV !== 'production' &&
          options.twoWay &&
          prop.mode !== propBindingModes.TWO_WAY
        ) {
          _.warn(
            'Prop "' + name + '" expects a two-way binding type.'
          )
        }
      } else if ((value = _.attr(el, attr)) !== null) {
        // has literal binding!
        prop.raw = value
      } else if (options.required) {
        // warn missing required
        process.env.NODE_ENV !== 'production' && _.warn(
          'Missing required prop: ' + name
        )
      }
      // push prop
      props.push(prop)
    }
    return makePropsLinkFn(props)
  }
  
  /**
   * Build a function that applies props to a vm.
   *
   * @param {Array} props
   * @return {Function} propsLinkFn
   */
  
  function makePropsLinkFn (props) {
    return function propsLinkFn (vm, scope) {
      // store resolved props info
      vm._props = {}
      var i = props.length
      var prop, path, options, value, raw
      while (i--) {
        prop = props[i]
        raw = prop.raw
        path = prop.path
        options = prop.options
        vm._props[path] = prop
        if (raw === null) {
          // initialize absent prop
          _.initProp(vm, prop, getDefault(vm, options))
        } else if (prop.dynamic) {
          // dynamic prop
          if (vm._context) {
            if (prop.mode === propBindingModes.ONE_TIME) {
              // one time binding
              value = (scope || vm._context).$get(prop.parentPath)
              _.initProp(vm, prop, value)
            } else {
              // dynamic binding
              vm._bindDir({
                name: 'prop',
                def: propDef,
                prop: prop
              }, null, null, scope) // el, host, scope
            }
          } else {
            process.env.NODE_ENV !== 'production' && _.warn(
              'Cannot bind dynamic prop on a root instance' +
              ' with no parent: ' + prop.name + '="' +
              raw + '"'
            )
          }
        } else if (prop.optimizedLiteral) {
          // optimized literal, cast it and just set once
          var stripped = _.stripQuotes(raw)
          value = stripped === raw
            ? _.toBoolean(_.toNumber(raw))
            : stripped
          _.initProp(vm, prop, value)
        } else {
          // string literal, but we need to cater for
          // Boolean props with no value
          value = options.type === Boolean && raw === ''
            ? true
            : raw
          _.initProp(vm, prop, value)
        }
      }
    }
  }
  
  /**
   * Get the default value of a prop.
   *
   * @param {Vue} vm
   * @param {Object} options
   * @return {*}
   */
  
  function getDefault (vm, options) {
    // no default, return undefined
    if (!options.hasOwnProperty('default')) {
      // absent boolean value defaults to false
      return options.type === Boolean
        ? false
        : undefined
    }
    var def = options.default
    // warn against non-factory defaults for Object & Array
    if (_.isObject(def)) {
      process.env.NODE_ENV !== 'production' && _.warn(
        'Object/Array as default prop values will be shared ' +
        'across multiple instances. Use a factory function ' +
        'to return the default value instead.'
      )
    }
    // call factory function for non-Function types
    return typeof def === 'function' && options.type !== Function
      ? def.call(vm)
      : def
  }
  
  }).call(this,require('_process'))
  },{"../config":13,"../directives/internal/prop":21,"../parsers/directive":52,"../parsers/path":54,"../util":64,"_process":1}],10:[function(require,module,exports){
  (function (process){
  var _ = require('../util')
  var publicDirectives = require('../directives/public')
  var internalDirectives = require('../directives/internal')
  var compileProps = require('./compile-props')
  var textParser = require('../parsers/text')
  var dirParser = require('../parsers/directive')
  var templateParser = require('../parsers/template')
  var resolveAsset = _.resolveAsset
  
  // special binding prefixes
  var bindRE = /^v-bind:|^:/
  var onRE = /^v-on:|^@/
  var argRE = /:(.*)$/
  var modifierRE = /\.[^\.]+/g
  var transitionRE = /^(v-bind:|:)?transition$/
  
  // terminal directives
  var terminalDirectives = [
    'for',
    'if'
  ]
  
  // default directive priority
  var DEFAULT_PRIORITY = 1000
  
  /**
   * Compile a template and return a reusable composite link
   * function, which recursively contains more link functions
   * inside. This top level compile function would normally
   * be called on instance root nodes, but can also be used
   * for partial compilation if the partial argument is true.
   *
   * The returned composite link function, when called, will
   * return an unlink function that tearsdown all directives
   * created during the linking phase.
   *
   * @param {Element|DocumentFragment} el
   * @param {Object} options
   * @param {Boolean} partial
   * @return {Function}
   */
  
  exports.compile = function (el, options, partial) {
    // link function for the node itself.
    var nodeLinkFn = partial || !options._asComponent
      ? compileNode(el, options)
      : null
    // link function for the childNodes
    var childLinkFn =
      !(nodeLinkFn && nodeLinkFn.terminal) &&
      el.tagName !== 'SCRIPT' &&
      el.hasChildNodes()
        ? compileNodeList(el.childNodes, options)
        : null
  
    /**
     * A composite linker function to be called on a already
     * compiled piece of DOM, which instantiates all directive
     * instances.
     *
     * @param {Vue} vm
     * @param {Element|DocumentFragment} el
     * @param {Vue} [host] - host vm of transcluded content
     * @param {Object} [scope] - v-for scope
     * @param {Fragment} [frag] - link context fragment
     * @return {Function|undefined}
     */
  
    return function compositeLinkFn (vm, el, host, scope, frag) {
      // cache childNodes before linking parent, fix #657
      var childNodes = _.toArray(el.childNodes)
      // link
      var dirs = linkAndCapture(function compositeLinkCapturer () {
        if (nodeLinkFn) nodeLinkFn(vm, el, host, scope, frag)
        if (childLinkFn) childLinkFn(vm, childNodes, host, scope, frag)
      }, vm)
      return makeUnlinkFn(vm, dirs)
    }
  }
  
  /**
   * Apply a linker to a vm/element pair and capture the
   * directives created during the process.
   *
   * @param {Function} linker
   * @param {Vue} vm
   */
  
  function linkAndCapture (linker, vm) {
    var originalDirCount = vm._directives.length
    linker()
    var dirs = vm._directives.slice(originalDirCount)
    dirs.sort(directiveComparator)
    for (var i = 0, l = dirs.length; i < l; i++) {
      dirs[i]._bind()
    }
    return dirs
  }
  
  /**
   * Directive priority sort comparator
   *
   * @param {Object} a
   * @param {Object} b
   */
  
  function directiveComparator (a, b) {
    a = a.descriptor.def.priority || DEFAULT_PRIORITY
    b = b.descriptor.def.priority || DEFAULT_PRIORITY
    return a > b ? -1 : a === b ? 0 : 1
  }
  
  /**
   * Linker functions return an unlink function that
   * tearsdown all directives instances generated during
   * the process.
   *
   * We create unlink functions with only the necessary
   * information to avoid retaining additional closures.
   *
   * @param {Vue} vm
   * @param {Array} dirs
   * @param {Vue} [context]
   * @param {Array} [contextDirs]
   * @return {Function}
   */
  
  function makeUnlinkFn (vm, dirs, context, contextDirs) {
    return function unlink (destroying) {
      teardownDirs(vm, dirs, destroying)
      if (context && contextDirs) {
        teardownDirs(context, contextDirs)
      }
    }
  }
  
  /**
   * Teardown partial linked directives.
   *
   * @param {Vue} vm
   * @param {Array} dirs
   * @param {Boolean} destroying
   */
  
  function teardownDirs (vm, dirs, destroying) {
    var i = dirs.length
    while (i--) {
      dirs[i]._teardown()
      if (!destroying) {
        vm._directives.$remove(dirs[i])
      }
    }
  }
  
  /**
   * Compile link props on an instance.
   *
   * @param {Vue} vm
   * @param {Element} el
   * @param {Object} props
   * @param {Object} [scope]
   * @return {Function}
   */
  
  exports.compileAndLinkProps = function (vm, el, props, scope) {
    var propsLinkFn = compileProps(el, props)
    var propDirs = linkAndCapture(function () {
      propsLinkFn(vm, scope)
    }, vm)
    return makeUnlinkFn(vm, propDirs)
  }
  
  /**
   * Compile the root element of an instance.
   *
   * 1. attrs on context container (context scope)
   * 2. attrs on the component template root node, if
   *    replace:true (child scope)
   *
   * If this is a fragment instance, we only need to compile 1.
   *
   * @param {Vue} vm
   * @param {Element} el
   * @param {Object} options
   * @param {Object} contextOptions
   * @return {Function}
   */
  
  exports.compileRoot = function (el, options, contextOptions) {
    var containerAttrs = options._containerAttrs
    var replacerAttrs = options._replacerAttrs
    var contextLinkFn, replacerLinkFn
  
    // only need to compile other attributes for
    // non-fragment instances
    if (el.nodeType !== 11) {
      // for components, container and replacer need to be
      // compiled separately and linked in different scopes.
      if (options._asComponent) {
        // 2. container attributes
        if (containerAttrs && contextOptions) {
          contextLinkFn = compileDirectives(containerAttrs, contextOptions)
        }
        if (replacerAttrs) {
          // 3. replacer attributes
          replacerLinkFn = compileDirectives(replacerAttrs, options)
        }
      } else {
        // non-component, just compile as a normal element.
        replacerLinkFn = compileDirectives(el.attributes, options)
      }
    } else if (process.env.NODE_ENV !== 'production' && containerAttrs) {
      // warn container directives for fragment instances
      var names = containerAttrs
        .filter(function (attr) {
          // allow vue-loader/vueify scoped css attributes
          return attr.name.indexOf('_v-') < 0 &&
            // allow event listeners
            !onRE.test(attr.name) &&
            // allow slots
            attr.name !== 'slot'
        })
        .map(function (attr) {
          return '"' + attr.name + '"'
        })
      if (names.length) {
        var plural = names.length > 1
        _.warn(
          'Attribute' + (plural ? 's ' : ' ') + names.join(', ') +
          (plural ? ' are' : ' is') + ' ignored on component ' +
          '<' + options.el.tagName.toLowerCase() + '> because ' +
          'the component is a fragment instance: ' +
          'http://vuejs.org/guide/components.html#Fragment_Instance'
        )
      }
    }
  
    return function rootLinkFn (vm, el, scope) {
      // link context scope dirs
      var context = vm._context
      var contextDirs
      if (context && contextLinkFn) {
        contextDirs = linkAndCapture(function () {
          contextLinkFn(context, el, null, scope)
        }, context)
      }
  
      // link self
      var selfDirs = linkAndCapture(function () {
        if (replacerLinkFn) replacerLinkFn(vm, el)
      }, vm)
  
      // return the unlink function that tearsdown context
      // container directives.
      return makeUnlinkFn(vm, selfDirs, context, contextDirs)
    }
  }
  
  /**
   * Compile a node and return a nodeLinkFn based on the
   * node type.
   *
   * @param {Node} node
   * @param {Object} options
   * @return {Function|null}
   */
  
  function compileNode (node, options) {
    var type = node.nodeType
    if (type === 1 && node.tagName !== 'SCRIPT') {
      return compileElement(node, options)
    } else if (type === 3 && node.data.trim()) {
      return compileTextNode(node, options)
    } else {
      return null
    }
  }
  
  /**
   * Compile an element and return a nodeLinkFn.
   *
   * @param {Element} el
   * @param {Object} options
   * @return {Function|null}
   */
  
  function compileElement (el, options) {
    // preprocess textareas.
    // textarea treats its text content as the initial value.
    // just bind it as an attr directive for value.
    if (el.tagName === 'TEXTAREA') {
      var tokens = textParser.parse(el.value)
      if (tokens) {
        el.setAttribute(':value', textParser.tokensToExp(tokens))
        el.value = ''
      }
    }
    var linkFn
    var hasAttrs = el.hasAttributes()
    // check terminal directives (for & if)
    if (hasAttrs) {
      linkFn = checkTerminalDirectives(el, options)
    }
    // check element directives
    if (!linkFn) {
      linkFn = checkElementDirectives(el, options)
    }
    // check component
    if (!linkFn) {
      linkFn = checkComponent(el, options)
    }
    // normal directives
    if (!linkFn && hasAttrs) {
      linkFn = compileDirectives(el.attributes, options)
    }
    return linkFn
  }
  
  /**
   * Compile a textNode and return a nodeLinkFn.
   *
   * @param {TextNode} node
   * @param {Object} options
   * @return {Function|null} textNodeLinkFn
   */
  
  function compileTextNode (node, options) {
    // skip marked text nodes
    if (node._skip) {
      return removeText
    }
  
    var tokens = textParser.parse(node.wholeText)
    if (!tokens) {
      return null
    }
  
    // mark adjacent text nodes as skipped,
    // because we are using node.wholeText to compile
    // all adjacent text nodes together. This fixes
    // issues in IE where sometimes it splits up a single
    // text node into multiple ones.
    var next = node.nextSibling
    while (next && next.nodeType === 3) {
      next._skip = true
      next = next.nextSibling
    }
  
    var frag = document.createDocumentFragment()
    var el, token
    for (var i = 0, l = tokens.length; i < l; i++) {
      token = tokens[i]
      el = token.tag
        ? processTextToken(token, options)
        : document.createTextNode(token.value)
      frag.appendChild(el)
    }
    return makeTextNodeLinkFn(tokens, frag, options)
  }
  
  /**
   * Linker for an skipped text node.
   *
   * @param {Vue} vm
   * @param {Text} node
   */
  
  function removeText (vm, node) {
    _.remove(node)
  }
  
  /**
   * Process a single text token.
   *
   * @param {Object} token
   * @param {Object} options
   * @return {Node}
   */
  
  function processTextToken (token, options) {
    var el
    if (token.oneTime) {
      el = document.createTextNode(token.value)
    } else {
      if (token.html) {
        el = document.createComment('v-html')
        setTokenType('html')
      } else {
        // IE will clean up empty textNodes during
        // frag.cloneNode(true), so we have to give it
        // something here...
        el = document.createTextNode(' ')
        setTokenType('text')
      }
    }
    function setTokenType (type) {
      if (token.descriptor) return
      var parsed = dirParser.parse(token.value)
      token.descriptor = {
        name: type,
        def: publicDirectives[type],
        expression: parsed.expression,
        filters: parsed.filters
      }
    }
    return el
  }
  
  /**
   * Build a function that processes a textNode.
   *
   * @param {Array<Object>} tokens
   * @param {DocumentFragment} frag
   */
  
  function makeTextNodeLinkFn (tokens, frag) {
    return function textNodeLinkFn (vm, el, host, scope) {
      var fragClone = frag.cloneNode(true)
      var childNodes = _.toArray(fragClone.childNodes)
      var token, value, node
      for (var i = 0, l = tokens.length; i < l; i++) {
        token = tokens[i]
        value = token.value
        if (token.tag) {
          node = childNodes[i]
          if (token.oneTime) {
            value = (scope || vm).$eval(value)
            if (token.html) {
              _.replace(node, templateParser.parse(value, true))
            } else {
              node.data = value
            }
          } else {
            vm._bindDir(token.descriptor, node, host, scope)
          }
        }
      }
      _.replace(el, fragClone)
    }
  }
  
  /**
   * Compile a node list and return a childLinkFn.
   *
   * @param {NodeList} nodeList
   * @param {Object} options
   * @return {Function|undefined}
   */
  
  function compileNodeList (nodeList, options) {
    var linkFns = []
    var nodeLinkFn, childLinkFn, node
    for (var i = 0, l = nodeList.length; i < l; i++) {
      node = nodeList[i]
      nodeLinkFn = compileNode(node, options)
      childLinkFn =
        !(nodeLinkFn && nodeLinkFn.terminal) &&
        node.tagName !== 'SCRIPT' &&
        node.hasChildNodes()
          ? compileNodeList(node.childNodes, options)
          : null
      linkFns.push(nodeLinkFn, childLinkFn)
    }
    return linkFns.length
      ? makeChildLinkFn(linkFns)
      : null
  }
  
  /**
   * Make a child link function for a node's childNodes.
   *
   * @param {Array<Function>} linkFns
   * @return {Function} childLinkFn
   */
  
  function makeChildLinkFn (linkFns) {
    return function childLinkFn (vm, nodes, host, scope, frag) {
      var node, nodeLinkFn, childrenLinkFn
      for (var i = 0, n = 0, l = linkFns.length; i < l; n++) {
        node = nodes[n]
        nodeLinkFn = linkFns[i++]
        childrenLinkFn = linkFns[i++]
        // cache childNodes before linking parent, fix #657
        var childNodes = _.toArray(node.childNodes)
        if (nodeLinkFn) {
          nodeLinkFn(vm, node, host, scope, frag)
        }
        if (childrenLinkFn) {
          childrenLinkFn(vm, childNodes, host, scope, frag)
        }
      }
    }
  }
  
  /**
   * Check for element directives (custom elements that should
   * be resovled as terminal directives).
   *
   * @param {Element} el
   * @param {Object} options
   */
  
  function checkElementDirectives (el, options) {
    var tag = el.tagName.toLowerCase()
    if (_.commonTagRE.test(tag)) return
    var def = resolveAsset(options, 'elementDirectives', tag)
    if (def) {
      return makeTerminalNodeLinkFn(el, tag, '', options, def)
    }
  }
  
  /**
   * Check if an element is a component. If yes, return
   * a component link function.
   *
   * @param {Element} el
   * @param {Object} options
   * @return {Function|undefined}
   */
  
  function checkComponent (el, options) {
    var component = _.checkComponent(el, options)
    if (component) {
      var ref = _.findRef(el)
      var descriptor = {
        name: 'component',
        ref: ref,
        expression: component.id,
        def: internalDirectives.component,
        modifiers: {
          literal: !component.dynamic
        }
      }
      var componentLinkFn = function (vm, el, host, scope, frag) {
        if (ref) {
          _.defineReactive((scope || vm).$refs, ref, null)
        }
        vm._bindDir(descriptor, el, host, scope, frag)
      }
      componentLinkFn.terminal = true
      return componentLinkFn
    }
  }
  
  /**
   * Check an element for terminal directives in fixed order.
   * If it finds one, return a terminal link function.
   *
   * @param {Element} el
   * @param {Object} options
   * @return {Function} terminalLinkFn
   */
  
  function checkTerminalDirectives (el, options) {
    // skip v-pre
    if (_.attr(el, 'v-pre') !== null) {
      return skip
    }
    // skip v-else block, but only if following v-if
    if (el.hasAttribute('v-else')) {
      var prev = el.previousElementSibling
      if (prev && prev.hasAttribute('v-if')) {
        return skip
      }
    }
    var value, dirName
    for (var i = 0, l = terminalDirectives.length; i < l; i++) {
      dirName = terminalDirectives[i]
      /* eslint-disable no-cond-assign */
      if (value = el.getAttribute('v-' + dirName)) {
        return makeTerminalNodeLinkFn(el, dirName, value, options)
      }
      /* eslint-enable no-cond-assign */
    }
  }
  
  function skip () {}
  skip.terminal = true
  
  /**
   * Build a node link function for a terminal directive.
   * A terminal link function terminates the current
   * compilation recursion and handles compilation of the
   * subtree in the directive.
   *
   * @param {Element} el
   * @param {String} dirName
   * @param {String} value
   * @param {Object} options
   * @param {Object} [def]
   * @return {Function} terminalLinkFn
   */
  
  function makeTerminalNodeLinkFn (el, dirName, value, options, def) {
    var parsed = dirParser.parse(value)
    var descriptor = {
      name: dirName,
      expression: parsed.expression,
      filters: parsed.filters,
      raw: value,
      // either an element directive, or if/for
      def: def || publicDirectives[dirName]
    }
    // check ref for v-for and router-view
    if (dirName === 'for' || dirName === 'router-view') {
      descriptor.ref = _.findRef(el)
    }
    var fn = function terminalNodeLinkFn (vm, el, host, scope, frag) {
      if (descriptor.ref) {
        _.defineReactive((scope || vm).$refs, descriptor.ref, null)
      }
      vm._bindDir(descriptor, el, host, scope, frag)
    }
    fn.terminal = true
    return fn
  }
  
  /**
   * Compile the directives on an element and return a linker.
   *
   * @param {Array|NamedNodeMap} attrs
   * @param {Object} options
   * @return {Function}
   */
  
  function compileDirectives (attrs, options) {
    var i = attrs.length
    var dirs = []
    var attr, name, value, rawName, rawValue, dirName, arg, modifiers, dirDef, tokens
    while (i--) {
      attr = attrs[i]
      name = rawName = attr.name
      value = rawValue = attr.value
      tokens = textParser.parse(value)
      // reset arg
      arg = null
      // check modifiers
      modifiers = parseModifiers(name)
      name = name.replace(modifierRE, '')
  
      // attribute interpolations
      if (tokens) {
        value = textParser.tokensToExp(tokens)
        arg = name
        pushDir('bind', publicDirectives.bind, true)
        // warn against mixing mustaches with v-bind
        if (process.env.NODE_ENV !== 'production') {
          if (name === 'class' && Array.prototype.some.call(attrs, function (attr) {
            return attr.name === ':class' || attr.name === 'v-bind:class'
          })) {
            _.warn(
              'class="' + rawValue + '": Do not mix mustache interpolation ' +
              'and v-bind for "class" on the same element. Use one or the other.'
            )
          }
        }
      } else
  
      // special attribute: transition
      if (transitionRE.test(name)) {
        modifiers.literal = !bindRE.test(name)
        pushDir('transition', internalDirectives.transition)
      } else
  
      // event handlers
      if (onRE.test(name)) {
        arg = name.replace(onRE, '')
        pushDir('on', publicDirectives.on)
      } else
  
      // attribute bindings
      if (bindRE.test(name)) {
        dirName = name.replace(bindRE, '')
        if (dirName === 'style' || dirName === 'class') {
          pushDir(dirName, internalDirectives[dirName])
        } else {
          arg = dirName
          pushDir('bind', publicDirectives.bind)
        }
      } else
  
      // normal directives
      if (name.indexOf('v-') === 0) {
        // check arg
        arg = (arg = name.match(argRE)) && arg[1]
        if (arg) {
          name = name.replace(argRE, '')
        }
        // extract directive name
        dirName = name.slice(2)
  
        // skip v-else (when used with v-show)
        if (dirName === 'else') {
          continue
        }
  
        dirDef = resolveAsset(options, 'directives', dirName)
  
        if (process.env.NODE_ENV !== 'production') {
          _.assertAsset(dirDef, 'directive', dirName)
        }
  
        if (dirDef) {
          pushDir(dirName, dirDef)
        }
      }
    }
  
    /**
     * Push a directive.
     *
     * @param {String} dirName
     * @param {Object|Function} def
     * @param {Boolean} [interp]
     */
  
    function pushDir (dirName, def, interp) {
      var parsed = dirParser.parse(value)
      dirs.push({
        name: dirName,
        attr: rawName,
        raw: rawValue,
        def: def,
        arg: arg,
        modifiers: modifiers,
        expression: parsed.expression,
        filters: parsed.filters,
        interp: interp
      })
    }
  
    if (dirs.length) {
      return makeNodeLinkFn(dirs)
    }
  }
  
  /**
   * Parse modifiers from directive attribute name.
   *
   * @param {String} name
   * @return {Object}
   */
  
  function parseModifiers (name) {
    var res = Object.create(null)
    var match = name.match(modifierRE)
    if (match) {
      var i = match.length
      while (i--) {
        res[match[i].slice(1)] = true
      }
    }
    return res
  }
  
  /**
   * Build a link function for all directives on a single node.
   *
   * @param {Array} directives
   * @return {Function} directivesLinkFn
   */
  
  function makeNodeLinkFn (directives) {
    return function nodeLinkFn (vm, el, host, scope, frag) {
      // reverse apply because it's sorted low to high
      var i = directives.length
      while (i--) {
        vm._bindDir(directives[i], el, host, scope, frag)
      }
    }
  }
  
  }).call(this,require('_process'))
  },{"../directives/internal":20,"../directives/public":30,"../parsers/directive":52,"../parsers/template":55,"../parsers/text":56,"../util":64,"./compile-props":9,"_process":1}],11:[function(require,module,exports){
  var _ = require('../util')
  
  _.extend(exports, require('./compile'))
  _.extend(exports, require('./transclude'))
  
  },{"../util":64,"./compile":10,"./transclude":12}],12:[function(require,module,exports){
  (function (process){
  var _ = require('../util')
  var templateParser = require('../parsers/template')
  var specialCharRE = /[^\w\-:\.]/
  
  /**
   * Process an element or a DocumentFragment based on a
   * instance option object. This allows us to transclude
   * a template node/fragment before the instance is created,
   * so the processed fragment can then be cloned and reused
   * in v-for.
   *
   * @param {Element} el
   * @param {Object} options
   * @return {Element|DocumentFragment}
   */
  
  exports.transclude = function (el, options) {
    // extract container attributes to pass them down
    // to compiler, because they need to be compiled in
    // parent scope. we are mutating the options object here
    // assuming the same object will be used for compile
    // right after this.
    if (options) {
      options._containerAttrs = extractAttrs(el)
    }
    // for template tags, what we want is its content as
    // a documentFragment (for fragment instances)
    if (_.isTemplate(el)) {
      el = templateParser.parse(el)
    }
    if (options) {
      if (options._asComponent && !options.template) {
        options.template = '<slot></slot>'
      }
      if (options.template) {
        options._content = _.extractContent(el)
        el = transcludeTemplate(el, options)
      }
    }
    if (el instanceof DocumentFragment) {
      // anchors for fragment instance
      // passing in `persist: true` to avoid them being
      // discarded by IE during template cloning
      _.prepend(_.createAnchor('v-start', true), el)
      el.appendChild(_.createAnchor('v-end', true))
    }
    return el
  }
  
  /**
   * Process the template option.
   * If the replace option is true this will swap the $el.
   *
   * @param {Element} el
   * @param {Object} options
   * @return {Element|DocumentFragment}
   */
  
  function transcludeTemplate (el, options) {
    var template = options.template
    var frag = templateParser.parse(template, true)
    if (frag) {
      var replacer = frag.firstChild
      var tag = replacer.tagName && replacer.tagName.toLowerCase()
      if (options.replace) {
        /* istanbul ignore if */
        if (el === document.body) {
          process.env.NODE_ENV !== 'production' && _.warn(
            'You are mounting an instance with a template to ' +
            '<body>. This will replace <body> entirely. You ' +
            'should probably use `replace: false` here.'
          )
        }
        // there are many cases where the instance must
        // become a fragment instance: basically anything that
        // can create more than 1 root nodes.
        if (
          // multi-children template
          frag.childNodes.length > 1 ||
          // non-element template
          replacer.nodeType !== 1 ||
          // single nested component
          tag === 'component' ||
          _.resolveAsset(options, 'components', tag) ||
          replacer.hasAttribute('is') ||
          replacer.hasAttribute(':is') ||
          replacer.hasAttribute('v-bind:is') ||
          // element directive
          _.resolveAsset(options, 'elementDirectives', tag) ||
          // for block
          replacer.hasAttribute('v-for') ||
          // if block
          replacer.hasAttribute('v-if')
        ) {
          return frag
        } else {
          options._replacerAttrs = extractAttrs(replacer)
          mergeAttrs(el, replacer)
          return replacer
        }
      } else {
        el.appendChild(frag)
        return el
      }
    } else {
      process.env.NODE_ENV !== 'production' && _.warn(
        'Invalid template option: ' + template
      )
    }
  }
  
  /**
   * Helper to extract a component container's attributes
   * into a plain object array.
   *
   * @param {Element} el
   * @return {Array}
   */
  
  function extractAttrs (el) {
    if (el.nodeType === 1 && el.hasAttributes()) {
      return _.toArray(el.attributes)
    }
  }
  
  /**
   * Merge the attributes of two elements, and make sure
   * the class names are merged properly.
   *
   * @param {Element} from
   * @param {Element} to
   */
  
  function mergeAttrs (from, to) {
    var attrs = from.attributes
    var i = attrs.length
    var name, value
    while (i--) {
      name = attrs[i].name
      value = attrs[i].value
      if (!to.hasAttribute(name) && !specialCharRE.test(name)) {
        to.setAttribute(name, value)
      } else if (name === 'class') {
        value = to.getAttribute(name) + ' ' + value
        to.setAttribute(name, value)
      }
    }
  }
  
  }).call(this,require('_process'))
  },{"../parsers/template":55,"../util":64,"_process":1}],13:[function(require,module,exports){
  module.exports = {
  
    /**
     * Whether to print debug messages.
     * Also enables stack trace for warnings.
     *
     * @type {Boolean}
     */
  
    debug: false,
  
    /**
     * Whether to suppress warnings.
     *
     * @type {Boolean}
     */
  
    silent: false,
  
    /**
     * Whether to use async rendering.
     */
  
    async: true,
  
    /**
     * Whether to warn against errors caught when evaluating
     * expressions.
     */
  
    warnExpressionErrors: true,
  
    /**
     * Whether or not to handle fully object properties which
     * are already backed by getters and seters. Depending on
     * use case and environment, this might introduce non-neglible
     * performance penalties.
     */
    convertAllProperties: false,
  
    /**
     * Internal flag to indicate the delimiters have been
     * changed.
     *
     * @type {Boolean}
     */
  
    _delimitersChanged: true,
  
    /**
     * List of asset types that a component can own.
     *
     * @type {Array}
     */
  
    _assetTypes: [
      'component',
      'directive',
      'elementDirective',
      'filter',
      'transition',
      'partial'
    ],
  
    /**
     * prop binding modes
     */
  
    _propBindingModes: {
      ONE_WAY: 0,
      TWO_WAY: 1,
      ONE_TIME: 2
    },
  
    /**
     * Max circular updates allowed in a batcher flush cycle.
     */
  
    _maxUpdateCount: 100
  
  }
  
  /**
   * Interpolation delimiters. Changing these would trigger
   * the text parser to re-compile the regular expressions.
   *
   * @type {Array<String>}
   */
  
  var delimiters = ['{{', '}}']
  var unsafeDelimiters = ['{{{', '}}}']
  var textParser = require('./parsers/text')
  
  Object.defineProperty(module.exports, 'delimiters', {
    get: function () {
      return delimiters
    },
    set: function (val) {
      delimiters = val
      textParser.compileRegex()
    }
  })
  
  Object.defineProperty(module.exports, 'unsafeDelimiters', {
    get: function () {
      return unsafeDelimiters
    },
    set: function (val) {
      unsafeDelimiters = val
      textParser.compileRegex()
    }
  })
  
  },{"./parsers/text":56}],14:[function(require,module,exports){
  (function (process){
  var _ = require('./util')
  var Watcher = require('./watcher')
  var expParser = require('./parsers/expression')
  function noop () {}
  
  /**
   * A directive links a DOM element with a piece of data,
   * which is the result of evaluating an expression.
   * It registers a watcher with the expression and calls
   * the DOM update function when a change is triggered.
   *
   * @param {String} name
   * @param {Node} el
   * @param {Vue} vm
   * @param {Object} descriptor
   *                 - {String} name
   *                 - {Object} def
   *                 - {String} expression
   *                 - {Array<Object>} [filters]
   *                 - {Boolean} literal
   *                 - {String} attr
   *                 - {String} raw
   * @param {Object} def - directive definition object
   * @param {Vue} [host] - transclusion host component
   * @param {Object} [scope] - v-for scope
   * @param {Fragment} [frag] - owner fragment
   * @constructor
   */
  
  function Directive (descriptor, vm, el, host, scope, frag) {
    this.vm = vm
    this.el = el
    // copy descriptor properties
    this.descriptor = descriptor
    this.name = descriptor.name
    this.expression = descriptor.expression
    this.arg = descriptor.arg
    this.modifiers = descriptor.modifiers
    this.filters = descriptor.filters
    this.literal = this.modifiers && this.modifiers.literal
    // private
    this._locked = false
    this._bound = false
    this._listeners = null
    // link context
    this._host = host
    this._scope = scope
    this._frag = frag
    // store directives on node in dev mode
    if (process.env.NODE_ENV !== 'production' && this.el) {
      this.el._vue_directives = this.el._vue_directives || []
      this.el._vue_directives.push(this)
    }
  }
  
  /**
   * Initialize the directive, mixin definition properties,
   * setup the watcher, call definition bind() and update()
   * if present.
   *
   * @param {Object} def
   */
  
  Directive.prototype._bind = function () {
    var name = this.name
    var descriptor = this.descriptor
  
    // remove attribute
    if (
      (name !== 'cloak' || this.vm._isCompiled) &&
      this.el && this.el.removeAttribute
    ) {
      var attr = descriptor.attr || ('v-' + name)
      this.el.removeAttribute(attr)
    }
  
    // copy def properties
    var def = descriptor.def
    if (typeof def === 'function') {
      this.update = def
    } else {
      _.extend(this, def)
    }
  
    // setup directive params
    this._setupParams()
  
    // initial bind
    if (this.bind) {
      this.bind()
    }
  
    if (this.literal) {
      this.update && this.update(descriptor.raw)
    } else if (
      (this.expression || this.modifiers) &&
      (this.update || this.twoWay) &&
      !this._checkStatement()
    ) {
      // wrapped updater for context
      var dir = this
      if (this.update) {
        this._update = function (val, oldVal) {
          if (!dir._locked) {
            dir.update(val, oldVal)
          }
        }
      } else {
        this._update = noop
      }
      var preProcess = this._preProcess
        ? _.bind(this._preProcess, this)
        : null
      var postProcess = this._postProcess
        ? _.bind(this._postProcess, this)
        : null
      var watcher = this._watcher = new Watcher(
        this.vm,
        this.expression,
        this._update, // callback
        {
          filters: this.filters,
          twoWay: this.twoWay,
          deep: this.deep,
          preProcess: preProcess,
          postProcess: postProcess,
          scope: this._scope
        }
      )
      // v-model with inital inline value need to sync back to
      // model instead of update to DOM on init. They would
      // set the afterBind hook to indicate that.
      if (this.afterBind) {
        this.afterBind()
      } else if (this.update) {
        this.update(watcher.value)
      }
    }
    this._bound = true
  }
  
  /**
   * Setup all param attributes, e.g. track-by,
   * transition-mode, etc...
   */
  
  Directive.prototype._setupParams = function () {
    if (!this.params) {
      return
    }
    var params = this.params
    // swap the params array with a fresh object.
    this.params = Object.create(null)
    var i = params.length
    var key, val, mappedKey
    while (i--) {
      key = params[i]
      mappedKey = _.camelize(key)
      val = _.getBindAttr(this.el, key)
      if (val != null) {
        // dynamic
        this._setupParamWatcher(mappedKey, val)
      } else {
        // static
        val = _.attr(this.el, key)
        if (val != null) {
          this.params[mappedKey] = val === '' ? true : val
        }
      }
    }
  }
  
  /**
   * Setup a watcher for a dynamic param.
   *
   * @param {String} key
   * @param {String} expression
   */
  
  Directive.prototype._setupParamWatcher = function (key, expression) {
    var self = this
    var called = false
    var unwatch = (this._scope || this.vm).$watch(expression, function (val, oldVal) {
      self.params[key] = val
      // since we are in immediate mode,
      // only call the param change callbacks if this is not the first update.
      if (called) {
        var cb = self.paramWatchers && self.paramWatchers[key]
        if (cb) {
          cb.call(self, val, oldVal)
        }
      } else {
        called = true
      }
    }, {
      immediate: true
    })
    ;(this._paramUnwatchFns || (this._paramUnwatchFns = [])).push(unwatch)
  }
  
  /**
   * Check if the directive is a function caller
   * and if the expression is a callable one. If both true,
   * we wrap up the expression and use it as the event
   * handler.
   *
   * e.g. on-click="a++"
   *
   * @return {Boolean}
   */
  
  Directive.prototype._checkStatement = function () {
    var expression = this.expression
    if (
      expression && this.acceptStatement &&
      !expParser.isSimplePath(expression)
    ) {
      var fn = expParser.parse(expression).get
      var scope = this._scope || this.vm
      var handler = function (e) {
        scope.$event = e
        fn.call(scope, scope)
        scope.$event = null
      }
      if (this.filters) {
        handler = scope._applyFilters(handler, null, this.filters)
      }
      this.update(handler)
      return true
    }
  }
  
  /**
   * Set the corresponding value with the setter.
   * This should only be used in two-way directives
   * e.g. v-model.
   *
   * @param {*} value
   * @public
   */
  
  Directive.prototype.set = function (value) {
    /* istanbul ignore else */
    if (this.twoWay) {
      this._withLock(function () {
        this._watcher.set(value)
      })
    } else if (process.env.NODE_ENV !== 'production') {
      _.warn(
        'Directive.set() can only be used inside twoWay' +
        'directives.'
      )
    }
  }
  
  /**
   * Execute a function while preventing that function from
   * triggering updates on this directive instance.
   *
   * @param {Function} fn
   */
  
  Directive.prototype._withLock = function (fn) {
    var self = this
    self._locked = true
    fn.call(self)
    _.nextTick(function () {
      self._locked = false
    })
  }
  
  /**
   * Convenience method that attaches a DOM event listener
   * to the directive element and autometically tears it down
   * during unbind.
   *
   * @param {String} event
   * @param {Function} handler
   */
  
  Directive.prototype.on = function (event, handler) {
    _.on(this.el, event, handler)
    ;(this._listeners || (this._listeners = []))
      .push([event, handler])
  }
  
  /**
   * Teardown the watcher and call unbind.
   */
  
  Directive.prototype._teardown = function () {
    if (this._bound) {
      this._bound = false
      if (this.unbind) {
        this.unbind()
      }
      if (this._watcher) {
        this._watcher.teardown()
      }
      var listeners = this._listeners
      var i
      if (listeners) {
        i = listeners.length
        while (i--) {
          _.off(this.el, listeners[i][0], listeners[i][1])
        }
      }
      var unwatchFns = this._paramUnwatchFns
      if (unwatchFns) {
        i = unwatchFns.length
        while (i--) {
          unwatchFns[i]()
        }
      }
      if (process.env.NODE_ENV !== 'production' && this.el) {
        this.el._vue_directives.$remove(this)
      }
      this.vm = this.el = this._watcher = this._listeners = null
    }
  }
  
  module.exports = Directive
  
  }).call(this,require('_process'))
  },{"./parsers/expression":53,"./util":64,"./watcher":68,"_process":1}],15:[function(require,module,exports){
  exports.slot = require('./slot')
  exports.partial = require('./partial')
  
  },{"./partial":16,"./slot":17}],16:[function(require,module,exports){
  (function (process){
  var _ = require('../../util')
  var vIf = require('../public/if')
  var FragmentFactory = require('../../fragment/factory')
  
  module.exports = {
  
    priority: 1750,
  
    params: ['name'],
  
    // watch changes to name for dynamic partials
    paramWatchers: {
      name: function (value) {
        vIf.remove.call(this)
        if (value) {
          this.insert(value)
        }
      }
    },
  
    bind: function () {
      this.anchor = _.createAnchor('v-partial')
      _.replace(this.el, this.anchor)
      this.insert(this.params.name)
    },
  
    insert: function (id) {
      var partial = _.resolveAsset(this.vm.$options, 'partials', id)
      if (process.env.NODE_ENV !== 'production') {
        _.assertAsset(partial, 'partial', id)
      }
      if (partial) {
        this.factory = new FragmentFactory(this.vm, partial)
        vIf.insert.call(this)
      }
    },
  
    unbind: function () {
      if (this.frag) {
        this.frag.destroy()
      }
    }
  }
  
  }).call(this,require('_process'))
  },{"../../fragment/factory":42,"../../util":64,"../public/if":29,"_process":1}],17:[function(require,module,exports){
  var _ = require('../../util')
  var templateParser = require('../../parsers/template')
  
  // This is the elementDirective that handles <content>
  // transclusions. It relies on the raw content of an
  // instance being stored as `$options._content` during
  // the transclude phase.
  
  module.exports = {
  
    priority: 1750,
  
    params: ['name'],
  
    bind: function () {
      var host = this.vm
      var raw = host.$options._content
      var content
      if (!raw) {
        this.fallback()
        return
      }
      var context = host._context
      var slotName = this.params.name
      if (!slotName) {
        // Default content
        var self = this
        var compileDefaultContent = function () {
          self.compile(
            extractFragment(raw.childNodes, raw, true),
            context,
            host
          )
        }
        if (!host._isCompiled) {
          // defer until the end of instance compilation,
          // because the default outlet must wait until all
          // other possible outlets with selectors have picked
          // out their contents.
          host.$once('hook:compiled', compileDefaultContent)
        } else {
          compileDefaultContent()
        }
      } else {
        var selector = '[slot="' + slotName + '"]'
        var nodes = raw.querySelectorAll(selector)
        if (nodes.length) {
          content = extractFragment(nodes, raw)
          if (content.hasChildNodes()) {
            this.compile(content, context, host)
          } else {
            this.fallback()
          }
        } else {
          this.fallback()
        }
      }
    },
  
    fallback: function () {
      this.compile(_.extractContent(this.el, true), this.vm)
    },
  
    compile: function (content, context, host) {
      if (content && context) {
        var scope = host
          ? host._scope
          : this._scope
        this.unlink = context.$compile(
          content, host, scope, this._frag
        )
      }
      if (content) {
        _.replace(this.el, content)
      } else {
        _.remove(this.el)
      }
    },
  
    unbind: function () {
      if (this.unlink) {
        this.unlink()
      }
    }
  }
  
  /**
   * Extract qualified content nodes from a node list.
   *
   * @param {NodeList} nodes
   * @param {Element} parent
   * @param {Boolean} main
   * @return {DocumentFragment}
   */
  
  function extractFragment (nodes, parent, main) {
    var frag = document.createDocumentFragment()
    for (var i = 0, l = nodes.length; i < l; i++) {
      var node = nodes[i]
      // if this is the main outlet, we want to skip all
      // previously selected nodes;
      // otherwise, we want to mark the node as selected.
      // clone the node so the original raw content remains
      // intact. this ensures proper re-compilation in cases
      // where the outlet is inside a conditional block
      if (main && !node.__v_selected) {
        append(node)
      } else if (!main && node.parentNode === parent) {
        node.__v_selected = true
        append(node)
      }
    }
    return frag
  
    function append (node) {
      if (_.isTemplate(node) &&
          !node.hasAttribute('v-if') &&
          !node.hasAttribute('v-for')) {
        node = templateParser.parse(node)
      }
      node = templateParser.clone(node)
      frag.appendChild(node)
    }
  }
  
  },{"../../parsers/template":55,"../../util":64}],18:[function(require,module,exports){
  var _ = require('../../util')
  var addClass = _.addClass
  var removeClass = _.removeClass
  
  module.exports = {
  
    deep: true,
  
    update: function (value) {
      if (value && typeof value === 'string') {
        this.handleObject(stringToObject(value))
      } else if (_.isPlainObject(value)) {
        this.handleObject(value)
      } else if (_.isArray(value)) {
        this.handleArray(value)
      } else {
        this.cleanup()
      }
    },
  
    handleObject: function (value) {
      this.cleanup(value)
      var keys = this.prevKeys = Object.keys(value)
      for (var i = 0, l = keys.length; i < l; i++) {
        var key = keys[i]
        if (value[key]) {
          addClass(this.el, key)
        } else {
          removeClass(this.el, key)
        }
      }
    },
  
    handleArray: function (value) {
      this.cleanup(value)
      for (var i = 0, l = value.length; i < l; i++) {
        if (value[i]) {
          addClass(this.el, value[i])
        }
      }
      this.prevKeys = value.slice()
    },
  
    cleanup: function (value) {
      if (this.prevKeys) {
        var i = this.prevKeys.length
        while (i--) {
          var key = this.prevKeys[i]
          if (key && (!value || !contains(value, key))) {
            removeClass(this.el, key)
          }
        }
      }
    }
  }
  
  function stringToObject (value) {
    var res = {}
    var keys = value.trim().split(/\s+/)
    var i = keys.length
    while (i--) {
      res[keys[i]] = true
    }
    return res
  }
  
  function contains (value, key) {
    return _.isArray(value)
      ? value.indexOf(key) > -1
      : value.hasOwnProperty(key)
  }
  
  },{"../../util":64}],19:[function(require,module,exports){
  (function (process){
  var _ = require('../../util')
  var templateParser = require('../../parsers/template')
  
  module.exports = {
  
    priority: 1500,
  
    params: [
      'keep-alive',
      'transition-mode',
      'inline-template'
    ],
  
    /**
     * Setup. Two possible usages:
     *
     * - static:
     *   <comp> or <div v-component="comp">
     *
     * - dynamic:
     *   <component :is="view">
     */
  
    bind: function () {
      if (!this.el.__vue__) {
        // keep-alive cache
        this.keepAlive = this.params.keepAlive
        if (this.keepAlive) {
          this.cache = {}
        }
        // check inline-template
        if (this.params.inlineTemplate) {
          // extract inline template as a DocumentFragment
          this.inlineTemplate = _.extractContent(this.el, true)
        }
        // component resolution related state
        this.pendingComponentCb =
        this.Component = null
        // transition related state
        this.pendingRemovals = 0
        this.pendingRemovalCb = null
        // create a ref anchor
        this.anchor = _.createAnchor('v-component')
        _.replace(this.el, this.anchor)
        // remove is attribute.
        // this is removed during compilation, but because compilation is
        // cached, when the component is used elsewhere this attribute
        // will remain at link time.
        this.el.removeAttribute('is')
        // remove ref, same as above
        if (this.descriptor.ref) {
          this.el.removeAttribute('v-ref:' + _.hyphenate(this.descriptor.ref))
        }
        // if static, build right now.
        if (this.literal) {
          this.setComponent(this.expression)
        }
      } else {
        process.env.NODE_ENV !== 'production' && _.warn(
          'cannot mount component "' + this.expression + '" ' +
          'on already mounted element: ' + this.el
        )
      }
    },
  
    /**
     * Public update, called by the watcher in the dynamic
     * literal scenario, e.g. <component :is="view">
     */
  
    update: function (value) {
      if (!this.literal) {
        this.setComponent(value)
      }
    },
  
    /**
     * Switch dynamic components. May resolve the component
     * asynchronously, and perform transition based on
     * specified transition mode. Accepts a few additional
     * arguments specifically for vue-router.
     *
     * The callback is called when the full transition is
     * finished.
     *
     * @param {String} value
     * @param {Function} [cb]
     */
  
    setComponent: function (value, cb) {
      this.invalidatePending()
      if (!value) {
        // just remove current
        this.unbuild(true)
        this.remove(this.childVM, cb)
        this.childVM = null
      } else {
        var self = this
        this.resolveComponent(value, function () {
          self.mountComponent(cb)
        })
      }
    },
  
    /**
     * Resolve the component constructor to use when creating
     * the child vm.
     */
  
    resolveComponent: function (id, cb) {
      var self = this
      this.pendingComponentCb = _.cancellable(function (Component) {
        self.ComponentName = Component.options.name || id
        self.Component = Component
        cb()
      })
      this.vm._resolveComponent(id, this.pendingComponentCb)
    },
  
    /**
     * Create a new instance using the current constructor and
     * replace the existing instance. This method doesn't care
     * whether the new component and the old one are actually
     * the same.
     *
     * @param {Function} [cb]
     */
  
    mountComponent: function (cb) {
      // actual mount
      this.unbuild(true)
      var self = this
      var activateHook = this.Component.options.activate
      var cached = this.getCached()
      var newComponent = this.build()
      if (activateHook && !cached) {
        this.waitingFor = newComponent
        activateHook.call(newComponent, function () {
          self.waitingFor = null
          self.transition(newComponent, cb)
        })
      } else {
        // update ref for kept-alive component
        if (cached) {
          newComponent._updateRef()
        }
        this.transition(newComponent, cb)
      }
    },
  
    /**
     * When the component changes or unbinds before an async
     * constructor is resolved, we need to invalidate its
     * pending callback.
     */
  
    invalidatePending: function () {
      if (this.pendingComponentCb) {
        this.pendingComponentCb.cancel()
        this.pendingComponentCb = null
      }
    },
  
    /**
     * Instantiate/insert a new child vm.
     * If keep alive and has cached instance, insert that
     * instance; otherwise build a new one and cache it.
     *
     * @param {Object} [extraOptions]
     * @return {Vue} - the created instance
     */
  
    build: function (extraOptions) {
      var cached = this.getCached()
      if (cached) {
        return cached
      }
      if (this.Component) {
        // default options
        var options = {
          name: this.ComponentName,
          el: templateParser.clone(this.el),
          template: this.inlineTemplate,
          // make sure to add the child with correct parent
          // if this is a transcluded component, its parent
          // should be the transclusion host.
          parent: this._host || this.vm,
          // if no inline-template, then the compiled
          // linker can be cached for better performance.
          _linkerCachable: !this.inlineTemplate,
          _ref: this.descriptor.ref,
          _asComponent: true,
          _isRouterView: this._isRouterView,
          // if this is a transcluded component, context
          // will be the common parent vm of this instance
          // and its host.
          _context: this.vm,
          // if this is inside an inline v-for, the scope
          // will be the intermediate scope created for this
          // repeat fragment. this is used for linking props
          // and container directives.
          _scope: this._scope,
          // pass in the owner fragment of this component.
          // this is necessary so that the fragment can keep
          // track of its contained components in order to
          // call attach/detach hooks for them.
          _frag: this._frag
        }
        // extra options
        // in 1.0.0 this is used by vue-router only
        /* istanbul ignore if */
        if (extraOptions) {
          _.extend(options, extraOptions)
        }
        var child = new this.Component(options)
        if (this.keepAlive) {
          this.cache[this.Component.cid] = child
        }
        /* istanbul ignore if */
        if (process.env.NODE_ENV !== 'production' &&
            this.el.hasAttribute('transition') &&
            child._isFragment) {
          _.warn(
            'Transitions will not work on a fragment instance. ' +
            'Template: ' + child.$options.template
          )
        }
        return child
      }
    },
  
    /**
     * Try to get a cached instance of the current component.
     *
     * @return {Vue|undefined}
     */
  
    getCached: function () {
      return this.keepAlive && this.cache[this.Component.cid]
    },
  
    /**
     * Teardown the current child, but defers cleanup so
     * that we can separate the destroy and removal steps.
     *
     * @param {Boolean} defer
     */
  
    unbuild: function (defer) {
      if (this.waitingFor) {
        this.waitingFor.$destroy()
        this.waitingFor = null
      }
      var child = this.childVM
      if (!child || this.keepAlive) {
        if (child) {
          // remove ref
          child._updateRef(true)
        }
        return
      }
      // the sole purpose of `deferCleanup` is so that we can
      // "deactivate" the vm right now and perform DOM removal
      // later.
      child.$destroy(false, defer)
    },
  
    /**
     * Remove current destroyed child and manually do
     * the cleanup after removal.
     *
     * @param {Function} cb
     */
  
    remove: function (child, cb) {
      var keepAlive = this.keepAlive
      if (child) {
        // we may have a component switch when a previous
        // component is still being transitioned out.
        // we want to trigger only one lastest insertion cb
        // when the existing transition finishes. (#1119)
        this.pendingRemovals++
        this.pendingRemovalCb = cb
        var self = this
        child.$remove(function () {
          self.pendingRemovals--
          if (!keepAlive) child._cleanup()
          if (!self.pendingRemovals && self.pendingRemovalCb) {
            self.pendingRemovalCb()
            self.pendingRemovalCb = null
          }
        })
      } else if (cb) {
        cb()
      }
    },
  
    /**
     * Actually swap the components, depending on the
     * transition mode. Defaults to simultaneous.
     *
     * @param {Vue} target
     * @param {Function} [cb]
     */
  
    transition: function (target, cb) {
      var self = this
      var current = this.childVM
      // for devtool inspection
      if (process.env.NODE_ENV !== 'production') {
        if (current) current._inactive = true
        target._inactive = false
      }
      this.childVM = target
      switch (self.params.transitionMode) {
        case 'in-out':
          target.$before(self.anchor, function () {
            self.remove(current, cb)
          })
          break
        case 'out-in':
          self.remove(current, function () {
            target.$before(self.anchor, cb)
          })
          break
        default:
          self.remove(current)
          target.$before(self.anchor, cb)
      }
    },
  
    /**
     * Unbind.
     */
  
    unbind: function () {
      this.invalidatePending()
      // Do not defer cleanup when unbinding
      this.unbuild()
      // destroy all keep-alive cached instances
      if (this.cache) {
        for (var key in this.cache) {
          this.cache[key].$destroy()
        }
        this.cache = null
      }
    }
  }
  
  }).call(this,require('_process'))
  },{"../../parsers/template":55,"../../util":64,"_process":1}],20:[function(require,module,exports){
  exports.style = require('./style')
  exports['class'] = require('./class')
  exports.component = require('./component')
  exports.prop = require('./prop')
  exports.transition = require('./transition')
  
  },{"./class":18,"./component":19,"./prop":21,"./style":22,"./transition":23}],21:[function(require,module,exports){
  // NOTE: the prop internal directive is compiled and linked
  // during _initScope(), before the created hook is called.
  // The purpose is to make the initial prop values available
  // inside `created` hooks and `data` functions.
  
  var _ = require('../../util')
  var Watcher = require('../../watcher')
  var bindingModes = require('../../config')._propBindingModes
  
  module.exports = {
  
    bind: function () {
  
      var child = this.vm
      var parent = child._context
      // passed in from compiler directly
      var prop = this.descriptor.prop
      var childKey = prop.path
      var parentKey = prop.parentPath
      var twoWay = prop.mode === bindingModes.TWO_WAY
  
      var parentWatcher = this.parentWatcher = new Watcher(
        parent,
        parentKey,
        function (val) {
          if (_.assertProp(prop, val)) {
            child[childKey] = val
          }
        }, {
          twoWay: twoWay,
          filters: prop.filters,
          // important: props need to be observed on the
          // v-for scope if present
          scope: this._scope
        }
      )
  
      // set the child initial value.
      _.initProp(child, prop, parentWatcher.value)
  
      // setup two-way binding
      if (twoWay) {
        // important: defer the child watcher creation until
        // the created hook (after data observation)
        var self = this
        child.$once('hook:created', function () {
          self.childWatcher = new Watcher(
            child,
            childKey,
            function (val) {
              parentWatcher.set(val)
            }, {
              // ensure sync upward before parent sync down.
              // this is necessary in cases e.g. the child
              // mutates a prop array, then replaces it. (#1683)
              sync: true
            }
          )
        })
      }
    },
  
    unbind: function () {
      this.parentWatcher.teardown()
      if (this.childWatcher) {
        this.childWatcher.teardown()
      }
    }
  }
  
  },{"../../config":13,"../../util":64,"../../watcher":68}],22:[function(require,module,exports){
  var _ = require('../../util')
  var prefixes = ['-webkit-', '-moz-', '-ms-']
  var camelPrefixes = ['Webkit', 'Moz', 'ms']
  var importantRE = /!important;?$/
  var testEl = null
  var propCache = {}
  
  module.exports = {
  
    deep: true,
  
    update: function (value) {
      if (typeof value === 'string') {
        this.el.style.cssText = value
      } else if (_.isArray(value)) {
        this.handleObject(value.reduce(_.extend, {}))
      } else {
        this.handleObject(value || {})
      }
    },
  
    handleObject: function (value) {
      // cache object styles so that only changed props
      // are actually updated.
      var cache = this.cache || (this.cache = {})
      var name, val
      for (name in cache) {
        if (!(name in value)) {
          this.handleSingle(name, null)
          delete cache[name]
        }
      }
      for (name in value) {
        val = value[name]
        if (val !== cache[name]) {
          cache[name] = val
          this.handleSingle(name, val)
        }
      }
    },
  
    handleSingle: function (prop, value) {
      prop = normalize(prop)
      if (!prop) return // unsupported prop
      // cast possible numbers/booleans into strings
      if (value != null) value += ''
      if (value) {
        var isImportant = importantRE.test(value)
          ? 'important'
          : ''
        if (isImportant) {
          value = value.replace(importantRE, '').trim()
        }
        this.el.style.setProperty(prop, value, isImportant)
      } else {
        this.el.style.removeProperty(prop)
      }
    }
  
  }
  
  /**
   * Normalize a CSS property name.
   * - cache result
   * - auto prefix
   * - camelCase -> dash-case
   *
   * @param {String} prop
   * @return {String}
   */
  
  function normalize (prop) {
    if (propCache[prop]) {
      return propCache[prop]
    }
    var res = prefix(prop)
    propCache[prop] = propCache[res] = res
    return res
  }
  
  /**
   * Auto detect the appropriate prefix for a CSS property.
   * https://gist.github.com/paulirish/523692
   *
   * @param {String} prop
   * @return {String}
   */
  
  function prefix (prop) {
    prop = _.hyphenate(prop)
    var camel = _.camelize(prop)
    var upper = camel.charAt(0).toUpperCase() + camel.slice(1)
    if (!testEl) {
      testEl = document.createElement('div')
    }
    if (camel in testEl.style) {
      return prop
    }
    var i = prefixes.length
    var prefixed
    while (i--) {
      prefixed = camelPrefixes[i] + upper
      if (prefixed in testEl.style) {
        return prefixes[i] + prop
      }
    }
  }
  
  },{"../../util":64}],23:[function(require,module,exports){
  var _ = require('../../util')
  var Transition = require('../../transition/transition')
  
  module.exports = {
  
    priority: 1100,
  
    update: function (id, oldId) {
      var el = this.el
      // resolve on owner vm
      var hooks = _.resolveAsset(this.vm.$options, 'transitions', id)
      id = id || 'v'
      // apply on closest vm
      el.__v_trans = new Transition(el, id, hooks, this.el.__vue__ || this.vm)
      if (oldId) {
        _.removeClass(el, oldId + '-transition')
      }
      _.addClass(el, id + '-transition')
    }
  }
  
  },{"../../transition/transition":59,"../../util":64}],24:[function(require,module,exports){
  (function (process){
  var _ = require('../../util')
  
  // xlink
  var xlinkNS = 'http://www.w3.org/1999/xlink'
  var xlinkRE = /^xlink:/
  
  // these input element attributes should also set their
  // corresponding properties
  var inputProps = {
    value: 1,
    checked: 1,
    selected: 1
  }
  
  // these attributes should set a hidden property for
  // binding v-model to object values
  var modelProps = {
    value: '_value',
    'true-value': '_trueValue',
    'false-value': '_falseValue'
  }
  
  // check for attributes that prohibit interpolations
  var disallowedInterpAttrRE = /^v-|^:|^@|^(is|transition|transition-mode|debounce|track-by|stagger|enter-stagger|leave-stagger)$/
  
  module.exports = {
  
    priority: 850,
  
    bind: function () {
      var attr = this.arg
      var tag = this.el.tagName
      // should be deep watch on object mode
      if (!attr) {
        this.deep = true
      }
      // handle interpolation bindings
      if (this.descriptor.interp) {
        // only allow binding on native attributes
        if (
          disallowedInterpAttrRE.test(attr) ||
          (attr === 'name' && (tag === 'PARTIAL' || tag === 'SLOT'))
        ) {
          process.env.NODE_ENV !== 'production' && _.warn(
            attr + '="' + this.descriptor.raw + '": ' +
            'attribute interpolation is not allowed in Vue.js ' +
            'directives and special attributes.'
          )
          this.el.removeAttribute(attr)
          this.invalid = true
        }
  
        /* istanbul ignore if */
        if (process.env.NODE_ENV !== 'production') {
          var raw = attr + '="' + this.descriptor.raw + '": '
          // warn src
          if (attr === 'src') {
            _.warn(
              raw + 'interpolation in "src" attribute will cause ' +
              'a 404 request. Use v-bind:src instead.'
            )
          }
  
          // warn style
          if (attr === 'style') {
            _.warn(
              raw + 'interpolation in "style" attribute will cause ' +
              'the attribute to be discarded in Internet Explorer. ' +
              'Use v-bind:style instead.'
            )
          }
        }
      }
    },
  
    update: function (value) {
      if (this.invalid) {
        return
      }
      var attr = this.arg
      if (this.arg) {
        this.handleSingle(attr, value)
      } else {
        this.handleObject(value || {})
      }
    },
  
    // share object handler with v-bind:class
    handleObject: require('../internal/style').handleObject,
  
    handleSingle: function (attr, value) {
      if (inputProps[attr] && attr in this.el) {
        this.el[attr] = attr === 'value'
          ? (value || '') // IE9 will set input.value to "null" for null...
          : value
      }
      // set model props
      var modelProp = modelProps[attr]
      if (modelProp) {
        this.el[modelProp] = value
        // update v-model if present
        var model = this.el.__v_model
        if (model) {
          model.listener()
        }
      }
      // do not set value attribute for textarea
      if (attr === 'value' && this.el.tagName === 'TEXTAREA') {
        this.el.removeAttribute(attr)
        return
      }
      // update attribute
      if (value != null && value !== false) {
        if (xlinkRE.test(attr)) {
          this.el.setAttributeNS(xlinkNS, attr, value)
        } else {
          this.el.setAttribute(attr, value)
        }
      } else {
        this.el.removeAttribute(attr)
      }
    }
  }
  
  }).call(this,require('_process'))
  },{"../../util":64,"../internal/style":22,"_process":1}],25:[function(require,module,exports){
  module.exports = {
    bind: function () {
      var el = this.el
      this.vm.$once('hook:compiled', function () {
        el.removeAttribute('v-cloak')
      })
    }
  }
  
  },{}],26:[function(require,module,exports){
  var _ = require('../../util')
  
  module.exports = {
  
    priority: 1500,
  
    bind: function () {
      /* istanbul ignore if */
      if (!this.arg) {
        return
      }
      var id = this.id = _.camelize(this.arg)
      var refs = (this._scope || this.vm).$els
      if (refs.hasOwnProperty(id)) {
        refs[id] = this.el
      } else {
        _.defineReactive(refs, id, this.el)
      }
    },
  
    unbind: function () {
      var refs = (this._scope || this.vm).$els
      if (refs[this.id] === this.el) {
        refs[this.id] = null
      }
    }
  }
  
  },{"../../util":64}],27:[function(require,module,exports){
  (function (process){
  var _ = require('../../util')
  var FragmentFactory = require('../../fragment/factory')
  var isObject = _.isObject
  var uid = 0
  
  module.exports = {
  
    priority: 2000,
  
    params: [
      'track-by',
      'stagger',
      'enter-stagger',
      'leave-stagger'
    ],
  
    bind: function () {
      // support "item in items" syntax
      var inMatch = this.expression.match(/(.*) in (.*)/)
      if (inMatch) {
        var itMatch = inMatch[1].match(/\((.*),(.*)\)/)
        if (itMatch) {
          this.iterator = itMatch[1].trim()
          this.alias = itMatch[2].trim()
        } else {
          this.alias = inMatch[1].trim()
        }
        this.expression = inMatch[2]
      }
  
      if (!this.alias) {
        process.env.NODE_ENV !== 'production' && _.warn(
          'Alias is required in v-for.'
        )
        return
      }
  
      // uid as a cache identifier
      this.id = '__v-for__' + (++uid)
  
      // check if this is an option list,
      // so that we know if we need to update the <select>'s
      // v-model when the option list has changed.
      // because v-model has a lower priority than v-for,
      // the v-model is not bound here yet, so we have to
      // retrive it in the actual updateModel() function.
      var tag = this.el.tagName
      this.isOption =
        (tag === 'OPTION' || tag === 'OPTGROUP') &&
        this.el.parentNode.tagName === 'SELECT'
  
      // setup anchor nodes
      this.start = _.createAnchor('v-for-start')
      this.end = _.createAnchor('v-for-end')
      _.replace(this.el, this.end)
      _.before(this.start, this.end)
  
      // cache
      this.cache = Object.create(null)
  
      // fragment factory
      this.factory = new FragmentFactory(this.vm, this.el)
    },
  
    update: function (data) {
      this.diff(data)
      this.updateRef()
      this.updateModel()
    },
  
    /**
     * Diff, based on new data and old data, determine the
     * minimum amount of DOM manipulations needed to make the
     * DOM reflect the new data Array.
     *
     * The algorithm diffs the new data Array by storing a
     * hidden reference to an owner vm instance on previously
     * seen data. This allows us to achieve O(n) which is
     * better than a levenshtein distance based algorithm,
     * which is O(m * n).
     *
     * @param {Array} data
     */
  
    diff: function (data) {
      // check if the Array was converted from an Object
      var item = data[0]
      var convertedFromObject = this.fromObject =
        isObject(item) &&
        item.hasOwnProperty('$key') &&
        item.hasOwnProperty('$value')
  
      var trackByKey = this.params.trackBy
      var oldFrags = this.frags
      var frags = this.frags = new Array(data.length)
      var alias = this.alias
      var iterator = this.iterator
      var start = this.start
      var end = this.end
      var inDoc = _.inDoc(start)
      var init = !oldFrags
      var i, l, frag, key, value, primitive
  
      // First pass, go through the new Array and fill up
      // the new frags array. If a piece of data has a cached
      // instance for it, we reuse it. Otherwise build a new
      // instance.
      for (i = 0, l = data.length; i < l; i++) {
        item = data[i]
        key = convertedFromObject ? item.$key : null
        value = convertedFromObject ? item.$value : item
        primitive = !isObject(value)
        frag = !init && this.getCachedFrag(value, i, key)
        if (frag) { // reusable fragment
          frag.reused = true
          // update $index
          frag.scope.$index = i
          // update $key
          if (key) {
            frag.scope.$key = key
          }
          // update iterator
          if (iterator) {
            frag.scope[iterator] = key !== null ? key : i
          }
          // update data for track-by, object repeat &
          // primitive values.
          if (trackByKey || convertedFromObject || primitive) {
            frag.scope[alias] = value
          }
        } else { // new isntance
          frag = this.create(value, alias, i, key)
          frag.fresh = !init
        }
        frags[i] = frag
        if (init) {
          frag.before(end)
        }
      }
  
      // we're done for the initial render.
      if (init) {
        return
      }
  
      // Second pass, go through the old fragments and
      // destroy those who are not reused (and remove them
      // from cache)
      var removalIndex = 0
      var totalRemoved = oldFrags.length - frags.length
      for (i = 0, l = oldFrags.length; i < l; i++) {
        frag = oldFrags[i]
        if (!frag.reused) {
          this.deleteCachedFrag(frag)
          this.remove(frag, removalIndex++, totalRemoved, inDoc)
        }
      }
  
      // Final pass, move/insert new fragments into the
      // right place.
      var targetPrev, prevEl, currentPrev
      var insertionIndex = 0
      for (i = 0, l = frags.length; i < l; i++) {
        frag = frags[i]
        // this is the frag that we should be after
        targetPrev = frags[i - 1]
        prevEl = targetPrev
          ? targetPrev.staggerCb
            ? targetPrev.staggerAnchor
            : targetPrev.end || targetPrev.node
          : start
        if (frag.reused && !frag.staggerCb) {
          currentPrev = findPrevFrag(frag, start, this.id)
          if (currentPrev !== targetPrev) {
            this.move(frag, prevEl)
          }
        } else {
          // new instance, or still in stagger.
          // insert with updated stagger index.
          this.insert(frag, insertionIndex++, prevEl, inDoc)
        }
        frag.reused = frag.fresh = false
      }
    },
  
    /**
     * Create a new fragment instance.
     *
     * @param {*} value
     * @param {String} alias
     * @param {Number} index
     * @param {String} [key]
     * @return {Fragment}
     */
  
    create: function (value, alias, index, key) {
      var host = this._host
      // create iteration scope
      var parentScope = this._scope || this.vm
      var scope = Object.create(parentScope)
      // ref holder for the scope
      scope.$refs = Object.create(parentScope.$refs)
      scope.$els = Object.create(parentScope.$els)
      // make sure point $parent to parent scope
      scope.$parent = parentScope
      // for two-way binding on alias
      scope.$forContext = this
      // define scope properties
      _.defineReactive(scope, alias, value)
      _.defineReactive(scope, '$index', index)
      if (key) {
        _.defineReactive(scope, '$key', key)
      } else if (scope.$key) {
        // avoid accidental fallback
        _.define(scope, '$key', null)
      }
      if (this.iterator) {
        _.defineReactive(scope, this.iterator, key !== null ? key : index)
      }
      var frag = this.factory.create(host, scope, this._frag)
      frag.forId = this.id
      this.cacheFrag(value, frag, index, key)
      return frag
    },
  
    /**
     * Update the v-ref on owner vm.
     */
  
    updateRef: function () {
      var ref = this.descriptor.ref
      if (!ref) return
      var hash = (this._scope || this.vm).$refs
      var refs
      if (!this.fromObject) {
        refs = this.frags.map(findVmFromFrag)
      } else {
        refs = {}
        this.frags.forEach(function (frag) {
          refs[frag.scope.$key] = findVmFromFrag(frag)
        })
      }
      hash[ref] = refs
    },
  
    /**
     * For option lists, update the containing v-model on
     * parent <select>.
     */
  
    updateModel: function () {
      if (this.isOption) {
        var parent = this.start.parentNode
        var model = parent && parent.__v_model
        if (model) {
          model.forceUpdate()
        }
      }
    },
  
    /**
     * Insert a fragment. Handles staggering.
     *
     * @param {Fragment} frag
     * @param {Number} index
     * @param {Node} prevEl
     * @param {Boolean} inDoc
     */
  
    insert: function (frag, index, prevEl, inDoc) {
      if (frag.staggerCb) {
        frag.staggerCb.cancel()
        frag.staggerCb = null
      }
      var staggerAmount = this.getStagger(frag, index, null, 'enter')
      if (inDoc && staggerAmount) {
        // create an anchor and insert it synchronously,
        // so that we can resolve the correct order without
        // worrying about some elements not inserted yet
        var anchor = frag.staggerAnchor
        if (!anchor) {
          anchor = frag.staggerAnchor = _.createAnchor('stagger-anchor')
          anchor.__vfrag__ = frag
        }
        _.after(anchor, prevEl)
        var op = frag.staggerCb = _.cancellable(function () {
          frag.staggerCb = null
          frag.before(anchor)
          _.remove(anchor)
        })
        setTimeout(op, staggerAmount)
      } else {
        frag.before(prevEl.nextSibling)
      }
    },
  
    /**
     * Remove a fragment. Handles staggering.
     *
     * @param {Fragment} frag
     * @param {Number} index
     * @param {Number} total
     * @param {Boolean} inDoc
     */
  
    remove: function (frag, index, total, inDoc) {
      if (frag.staggerCb) {
        frag.staggerCb.cancel()
        frag.staggerCb = null
        // it's not possible for the same frag to be removed
        // twice, so if we have a pending stagger callback,
        // it means this frag is queued for enter but removed
        // before its transition started. Since it is already
        // destroyed, we can just leave it in detached state.
        return
      }
      var staggerAmount = this.getStagger(frag, index, total, 'leave')
      if (inDoc && staggerAmount) {
        var op = frag.staggerCb = _.cancellable(function () {
          frag.staggerCb = null
          frag.remove()
        })
        setTimeout(op, staggerAmount)
      } else {
        frag.remove()
      }
    },
  
    /**
     * Move a fragment to a new position.
     * Force no transition.
     *
     * @param {Fragment} frag
     * @param {Node} prevEl
     */
  
    move: function (frag, prevEl) {
      frag.before(prevEl.nextSibling, false)
    },
  
    /**
     * Cache a fragment using track-by or the object key.
     *
     * @param {*} value
     * @param {Fragment} frag
     * @param {Number} index
     * @param {String} [key]
     */
  
    cacheFrag: function (value, frag, index, key) {
      var trackByKey = this.params.trackBy
      var cache = this.cache
      var primitive = !isObject(value)
      var id
      if (key || trackByKey || primitive) {
        id = trackByKey
          ? trackByKey === '$index'
            ? index
            : value[trackByKey]
          : (key || value)
        if (!cache[id]) {
          cache[id] = frag
        } else if (trackByKey !== '$index') {
          process.env.NODE_ENV !== 'production' &&
          this.warnDuplicate(value)
        }
      } else {
        id = this.id
        if (value.hasOwnProperty(id)) {
          if (value[id] === null) {
            value[id] = frag
          } else {
            process.env.NODE_ENV !== 'production' &&
            this.warnDuplicate(value)
          }
        } else {
          _.define(value, id, frag)
        }
      }
      frag.raw = value
    },
  
    /**
     * Get a cached fragment from the value/index/key
     *
     * @param {*} value
     * @param {Number} index
     * @param {String} key
     * @return {Fragment}
     */
  
    getCachedFrag: function (value, index, key) {
      var trackByKey = this.params.trackBy
      var primitive = !isObject(value)
      var frag
      if (key || trackByKey || primitive) {
        var id = trackByKey
          ? trackByKey === '$index'
            ? index
            : value[trackByKey]
          : (key || value)
        frag = this.cache[id]
      } else {
        frag = value[this.id]
      }
      if (frag && (frag.reused || frag.fresh)) {
        process.env.NODE_ENV !== 'production' &&
        this.warnDuplicate(value)
      }
      return frag
    },
  
    /**
     * Delete a fragment from cache.
     *
     * @param {Fragment} frag
     */
  
    deleteCachedFrag: function (frag) {
      var value = frag.raw
      var trackByKey = this.params.trackBy
      var scope = frag.scope
      var index = scope.$index
      // fix #948: avoid accidentally fall through to
      // a parent repeater which happens to have $key.
      var key = scope.hasOwnProperty('$key') && scope.$key
      var primitive = !isObject(value)
      if (trackByKey || key || primitive) {
        var id = trackByKey
          ? trackByKey === '$index'
            ? index
            : value[trackByKey]
          : (key || value)
        this.cache[id] = null
      } else {
        value[this.id] = null
        frag.raw = null
      }
    },
  
    /**
     * Get the stagger amount for an insertion/removal.
     *
     * @param {Fragment} frag
     * @param {Number} index
     * @param {Number} total
     * @param {String} type
     */
  
    getStagger: function (frag, index, total, type) {
      type = type + 'Stagger'
      var trans = frag.node.__v_trans
      var hooks = trans && trans.hooks
      var hook = hooks && (hooks[type] || hooks.stagger)
      return hook
        ? hook.call(frag, index, total)
        : index * parseInt(this.params[type] || this.params.stagger, 10)
    },
  
    /**
     * Pre-process the value before piping it through the
     * filters. This is passed to and called by the watcher.
     */
  
    _preProcess: function (value) {
      // regardless of type, store the un-filtered raw value.
      this.rawValue = value
      return value
    },
  
    /**
     * Post-process the value after it has been piped through
     * the filters. This is passed to and called by the watcher.
     *
     * It is necessary for this to be called during the
     * wathcer's dependency collection phase because we want
     * the v-for to update when the source Object is mutated.
     */
  
    _postProcess: function (value) {
      if (_.isArray(value)) {
        return value
      } else if (_.isPlainObject(value)) {
        // convert plain object to array.
        var keys = Object.keys(value)
        var i = keys.length
        var res = new Array(i)
        var key
        while (i--) {
          key = keys[i]
          res[i] = {
            $key: key,
            $value: value[key]
          }
        }
        return res
      } else {
        if (typeof value === 'number') {
          value = range(value)
        }
        return value || []
      }
    },
  
    unbind: function () {
      if (this.descriptor.ref) {
        (this._scope || this.vm).$refs[this.descriptor.ref] = null
      }
      if (this.frags) {
        var i = this.frags.length
        var frag
        while (i--) {
          frag = this.frags[i]
          this.deleteCachedFrag(frag)
          frag.destroy()
        }
      }
    }
  }
  
  /**
   * Helper to find the previous element that is a fragment
   * anchor. This is necessary because a destroyed frag's
   * element could still be lingering in the DOM before its
   * leaving transition finishes, but its inserted flag
   * should have been set to false so we can skip them.
   *
   * If this is a block repeat, we want to make sure we only
   * return frag that is bound to this v-for. (see #929)
   *
   * @param {Fragment} frag
   * @param {Comment|Text} anchor
   * @param {String} id
   * @return {Fragment}
   */
  
  function findPrevFrag (frag, anchor, id) {
    var el = frag.node.previousSibling
    /* istanbul ignore if */
    if (!el) return
    frag = el.__vfrag__
    while (
      (!frag || frag.forId !== id || !frag.inserted) &&
      el !== anchor
    ) {
      el = el.previousSibling
      /* istanbul ignore if */
      if (!el) return
      frag = el.__vfrag__
    }
    return frag
  }
  
  /**
   * Find a vm from a fragment.
   *
   * @param {Fragment} frag
   * @return {Vue|undefined}
   */
  
  function findVmFromFrag (frag) {
    return frag.node.__vue__ || frag.node.nextSibling.__vue__
  }
  
  /**
   * Create a range array from given number.
   *
   * @param {Number} n
   * @return {Array}
   */
  
  function range (n) {
    var i = -1
    var ret = new Array(n)
    while (++i < n) {
      ret[i] = i
    }
    return ret
  }
  
  if (process.env.NODE_ENV !== 'production') {
    module.exports.warnDuplicate = function (value) {
      _.warn(
        'Duplicate value found in v-for="' + this.descriptor.raw + '": ' +
        JSON.stringify(value) + '. Use track-by="$index" if ' +
        'you are expecting duplicate values.'
      )
    }
  }
  
  }).call(this,require('_process'))
  },{"../../fragment/factory":42,"../../util":64,"_process":1}],28:[function(require,module,exports){
  var _ = require('../../util')
  var templateParser = require('../../parsers/template')
  
  module.exports = {
  
    bind: function () {
      // a comment node means this is a binding for
      // {{{ inline unescaped html }}}
      if (this.el.nodeType === 8) {
        // hold nodes
        this.nodes = []
        // replace the placeholder with proper anchor
        this.anchor = _.createAnchor('v-html')
        _.replace(this.el, this.anchor)
      }
    },
  
    update: function (value) {
      value = _.toString(value)
      if (this.nodes) {
        this.swap(value)
      } else {
        this.el.innerHTML = value
      }
    },
  
    swap: function (value) {
      // remove old nodes
      var i = this.nodes.length
      while (i--) {
        _.remove(this.nodes[i])
      }
      // convert new value to a fragment
      // do not attempt to retrieve from id selector
      var frag = templateParser.parse(value, true, true)
      // save a reference to these nodes so we can remove later
      this.nodes = _.toArray(frag.childNodes)
      _.before(frag, this.anchor)
    }
  }
  
  },{"../../parsers/template":55,"../../util":64}],29:[function(require,module,exports){
  (function (process){
  var _ = require('../../util')
  var FragmentFactory = require('../../fragment/factory')
  
  module.exports = {
  
    priority: 2000,
  
    bind: function () {
      var el = this.el
      if (!el.__vue__) {
        // check else block
        var next = el.nextElementSibling
        if (next && _.attr(next, 'v-else') !== null) {
          _.remove(next)
          this.elseFactory = new FragmentFactory(this.vm, next)
        }
        // check main block
        this.anchor = _.createAnchor('v-if')
        _.replace(el, this.anchor)
        this.factory = new FragmentFactory(this.vm, el)
      } else {
        process.env.NODE_ENV !== 'production' && _.warn(
          'v-if="' + this.expression + '" cannot be ' +
          'used on an instance root element.'
        )
        this.invalid = true
      }
    },
  
    update: function (value) {
      if (this.invalid) return
      if (value) {
        if (!this.frag) {
          this.insert()
        }
      } else {
        this.remove()
      }
    },
  
    insert: function () {
      if (this.elseFrag) {
        this.elseFrag.remove()
        this.elseFrag = null
      }
      this.frag = this.factory.create(this._host, this._scope, this._frag)
      this.frag.before(this.anchor)
    },
  
    remove: function () {
      if (this.frag) {
        this.frag.remove()
        this.frag = null
      }
      if (this.elseFactory && !this.elseFrag) {
        this.elseFrag = this.elseFactory.create(this._host, this._scope, this._frag)
        this.elseFrag.before(this.anchor)
      }
    },
  
    unbind: function () {
      if (this.frag) {
        this.frag.destroy()
      }
    }
  }
  
  }).call(this,require('_process'))
  },{"../../fragment/factory":42,"../../util":64,"_process":1}],30:[function(require,module,exports){
  // text & html
  exports.text = require('./text')
  exports.html = require('./html')
  
  // logic control
  exports['for'] = require('./for')
  exports['if'] = require('./if')
  exports.show = require('./show')
  
  // two-way binding
  exports.model = require('./model')
  
  // event handling
  exports.on = require('./on')
  
  // attributes
  exports.bind = require('./bind')
  
  // ref & el
  exports.el = require('./el')
  exports.ref = require('./ref')
  
  // cloak
  exports.cloak = require('./cloak')
  
  },{"./bind":24,"./cloak":25,"./el":26,"./for":27,"./html":28,"./if":29,"./model":32,"./on":36,"./ref":37,"./show":38,"./text":39}],31:[function(require,module,exports){
  var _ = require('../../../util')
  
  module.exports = {
  
    bind: function () {
      var self = this
      var el = this.el
  
      this.getValue = function () {
        return el.hasOwnProperty('_value')
          ? el._value
          : self.params.number
            ? _.toNumber(el.value)
            : el.value
      }
  
      function getBooleanValue () {
        var val = el.checked
        if (val && el.hasOwnProperty('_trueValue')) {
          return el._trueValue
        }
        if (!val && el.hasOwnProperty('_falseValue')) {
          return el._falseValue
        }
        return val
      }
  
      this.listener = function () {
        var model = self._watcher.value
        if (_.isArray(model)) {
          var val = self.getValue()
          if (el.checked) {
            if (_.indexOf(model, val) < 0) {
              model.push(val)
            }
          } else {
            model.$remove(val)
          }
        } else {
          self.set(getBooleanValue())
        }
      }
  
      this.on('change', this.listener)
      if (el.checked) {
        this.afterBind = this.listener
      }
    },
  
    update: function (value) {
      var el = this.el
      if (_.isArray(value)) {
        el.checked = _.indexOf(value, this.getValue()) > -1
      } else {
        if (el.hasOwnProperty('_trueValue')) {
          el.checked = _.looseEqual(value, el._trueValue)
        } else {
          el.checked = !!value
        }
      }
    }
  }
  
  },{"../../../util":64}],32:[function(require,module,exports){
  (function (process){
  var _ = require('../../../util')
  
  var handlers = {
    text: require('./text'),
    radio: require('./radio'),
    select: require('./select'),
    checkbox: require('./checkbox')
  }
  
  module.exports = {
  
    priority: 800,
    twoWay: true,
    handlers: handlers,
    params: ['lazy', 'number', 'debounce'],
  
    /**
     * Possible elements:
     *   <select>
     *   <textarea>
     *   <input type="*">
     *     - text
     *     - checkbox
     *     - radio
     *     - number
     */
  
    bind: function () {
      // friendly warning...
      this.checkFilters()
      if (this.hasRead && !this.hasWrite) {
        process.env.NODE_ENV !== 'production' && _.warn(
          'It seems you are using a read-only filter with ' +
          'v-model. You might want to use a two-way filter ' +
          'to ensure correct behavior.'
        )
      }
      var el = this.el
      var tag = el.tagName
      var handler
      if (tag === 'INPUT') {
        handler = handlers[el.type] || handlers.text
      } else if (tag === 'SELECT') {
        handler = handlers.select
      } else if (tag === 'TEXTAREA') {
        handler = handlers.text
      } else {
        process.env.NODE_ENV !== 'production' && _.warn(
          'v-model does not support element type: ' + tag
        )
        return
      }
      el.__v_model = this
      handler.bind.call(this)
      this.update = handler.update
      this._unbind = handler.unbind
    },
  
    /**
     * Check read/write filter stats.
     */
  
    checkFilters: function () {
      var filters = this.filters
      if (!filters) return
      var i = filters.length
      while (i--) {
        var filter = _.resolveAsset(this.vm.$options, 'filters', filters[i].name)
        if (typeof filter === 'function' || filter.read) {
          this.hasRead = true
        }
        if (filter.write) {
          this.hasWrite = true
        }
      }
    },
  
    unbind: function () {
      this.el.__v_model = null
      this._unbind && this._unbind()
    }
  }
  
  }).call(this,require('_process'))
  },{"../../../util":64,"./checkbox":31,"./radio":33,"./select":34,"./text":35,"_process":1}],33:[function(require,module,exports){
  var _ = require('../../../util')
  
  module.exports = {
  
    bind: function () {
      var self = this
      var el = this.el
  
      this.getValue = function () {
        // value overwrite via v-bind:value
        if (el.hasOwnProperty('_value')) {
          return el._value
        }
        var val = el.value
        if (self.params.number) {
          val = _.toNumber(val)
        }
        return val
      }
  
      this.listener = function () {
        self.set(self.getValue())
      }
      this.on('change', this.listener)
  
      if (el.checked) {
        this.afterBind = this.listener
      }
    },
  
    update: function (value) {
      this.el.checked = _.looseEqual(value, this.getValue())
    }
  }
  
  },{"../../../util":64}],34:[function(require,module,exports){
  var _ = require('../../../util')
  
  module.exports = {
  
    bind: function () {
      var self = this
      var el = this.el
  
      // method to force update DOM using latest value.
      this.forceUpdate = function () {
        if (self._watcher) {
          self.update(self._watcher.get())
        }
      }
  
      // check if this is a multiple select
      var multiple = this.multiple = el.hasAttribute('multiple')
  
      // attach listener
      this.listener = function () {
        var value = getValue(el, multiple)
        value = self.params.number
          ? _.isArray(value)
            ? value.map(_.toNumber)
            : _.toNumber(value)
          : value
        self.set(value)
      }
      this.on('change', this.listener)
  
      // if has initial value, set afterBind
      var initValue = getValue(el, multiple, true)
      if ((multiple && initValue.length) ||
          (!multiple && initValue !== null)) {
        this.afterBind = this.listener
      }
  
      // All major browsers except Firefox resets
      // selectedIndex with value -1 to 0 when the element
      // is appended to a new parent, therefore we have to
      // force a DOM update whenever that happens...
      this.vm.$on('hook:attached', this.forceUpdate)
    },
  
    update: function (value) {
      var el = this.el
      el.selectedIndex = -1
      var multi = this.multiple && _.isArray(value)
      var options = el.options
      var i = options.length
      var op, val
      while (i--) {
        op = options[i]
        val = op.hasOwnProperty('_value')
          ? op._value
          : op.value
        /* eslint-disable eqeqeq */
        op.selected = multi
          ? indexOf(value, val) > -1
          : _.looseEqual(value, val)
        /* eslint-enable eqeqeq */
      }
    },
  
    unbind: function () {
      /* istanbul ignore next */
      this.vm.$off('hook:attached', this.forceUpdate)
    }
  }
  
  /**
   * Get select value
   *
   * @param {SelectElement} el
   * @param {Boolean} multi
   * @param {Boolean} init
   * @return {Array|*}
   */
  
  function getValue (el, multi, init) {
    var res = multi ? [] : null
    var op, val, selected
    for (var i = 0, l = el.options.length; i < l; i++) {
      op = el.options[i]
      selected = init
        ? op.hasAttribute('selected')
        : op.selected
      if (selected) {
        val = op.hasOwnProperty('_value')
          ? op._value
          : op.value
        if (multi) {
          res.push(val)
        } else {
          return val
        }
      }
    }
    return res
  }
  
  /**
   * Native Array.indexOf uses strict equal, but in this
   * case we need to match string/numbers with custom equal.
   *
   * @param {Array} arr
   * @param {*} val
   */
  
  function indexOf (arr, val) {
    var i = arr.length
    while (i--) {
      if (_.looseEqual(arr[i], val)) {
        return i
      }
    }
    return -1
  }
  
  },{"../../../util":64}],35:[function(require,module,exports){
  var _ = require('../../../util')
  
  module.exports = {
  
    bind: function () {
      var self = this
      var el = this.el
      var isRange = el.type === 'range'
      var lazy = this.params.lazy
      var number = this.params.number
      var debounce = this.params.debounce
  
      // handle composition events.
      //   http://blog.evanyou.me/2014/01/03/composition-event/
      // skip this for Android because it handles composition
      // events quite differently. Android doesn't trigger
      // composition events for language input methods e.g.
      // Chinese, but instead triggers them for spelling
      // suggestions... (see Discussion/#162)
      var composing = false
      if (!_.isAndroid && !isRange) {
        this.on('compositionstart', function () {
          composing = true
        })
        this.on('compositionend', function () {
          composing = false
          // in IE11 the "compositionend" event fires AFTER
          // the "input" event, so the input handler is blocked
          // at the end... have to call it here.
          //
          // #1327: in lazy mode this is unecessary.
          if (!lazy) {
            self.listener()
          }
        })
      }
  
      // prevent messing with the input when user is typing,
      // and force update on blur.
      this.focused = false
      if (!isRange) {
        this.on('focus', function () {
          self.focused = true
        })
        this.on('blur', function () {
          self.focused = false
          self.listener()
        })
      }
  
      // Now attach the main listener
      this.listener = function () {
        if (composing) return
        var val = number || isRange
          ? _.toNumber(el.value)
          : el.value
        self.set(val)
        // force update on next tick to avoid lock & same value
        // also only update when user is not typing
        _.nextTick(function () {
          if (self._bound && !self.focused) {
            self.update(self._watcher.value)
          }
        })
      }
  
      // apply debounce
      if (debounce) {
        this.listener = _.debounce(this.listener, debounce)
      }
  
      // Support jQuery events, since jQuery.trigger() doesn't
      // trigger native events in some cases and some plugins
      // rely on $.trigger()
      //
      // We want to make sure if a listener is attached using
      // jQuery, it is also removed with jQuery, that's why
      // we do the check for each directive instance and
      // store that check result on itself. This also allows
      // easier test coverage control by unsetting the global
      // jQuery variable in tests.
      this.hasjQuery = typeof jQuery === 'function'
      if (this.hasjQuery) {
        jQuery(el).on('change', this.listener)
        if (!lazy) {
          jQuery(el).on('input', this.listener)
        }
      } else {
        this.on('change', this.listener)
        if (!lazy) {
          this.on('input', this.listener)
        }
      }
  
      // IE9 doesn't fire input event on backspace/del/cut
      if (!lazy && _.isIE9) {
        this.on('cut', function () {
          _.nextTick(self.listener)
        })
        this.on('keyup', function (e) {
          if (e.keyCode === 46 || e.keyCode === 8) {
            self.listener()
          }
        })
      }
  
      // set initial value if present
      if (
        el.hasAttribute('value') ||
        (el.tagName === 'TEXTAREA' && el.value.trim())
      ) {
        this.afterBind = this.listener
      }
    },
  
    update: function (value) {
      this.el.value = _.toString(value)
    },
  
    unbind: function () {
      var el = this.el
      if (this.hasjQuery) {
        jQuery(el).off('change', this.listener)
        jQuery(el).off('input', this.listener)
      }
    }
  }
  
  },{"../../../util":64}],36:[function(require,module,exports){
  (function (process){
  var _ = require('../../util')
  
  // keyCode aliases
  var keyCodes = {
    esc: 27,
    tab: 9,
    enter: 13,
    space: 32,
    'delete': 46,
    up: 38,
    left: 37,
    right: 39,
    down: 40
  }
  
  function keyFilter (handler, keys) {
    var codes = keys.map(function (key) {
      var charCode = key.charCodeAt(0)
      if (charCode > 47 && charCode < 58) {
        return parseInt(key, 10)
      }
      if (key.length === 1) {
        charCode = key.toUpperCase().charCodeAt(0)
        if (charCode > 64 && charCode < 91) {
          return charCode
        }
      }
      return keyCodes[key]
    })
    return function keyHandler (e) {
      if (codes.indexOf(e.keyCode) > -1) {
        return handler.call(this, e)
      }
    }
  }
  
  function stopFilter (handler) {
    return function stopHandler (e) {
      e.stopPropagation()
      return handler.call(this, e)
    }
  }
  
  function preventFilter (handler) {
    return function preventHandler (e) {
      e.preventDefault()
      return handler.call(this, e)
    }
  }
  
  module.exports = {
  
    acceptStatement: true,
    priority: 700,
  
    bind: function () {
      // deal with iframes
      if (
        this.el.tagName === 'IFRAME' &&
        this.arg !== 'load'
      ) {
        var self = this
        this.iframeBind = function () {
          _.on(self.el.contentWindow, self.arg, self.handler)
        }
        this.on('load', this.iframeBind)
      }
    },
  
    update: function (handler) {
      // stub a noop for v-on with no value,
      // e.g. @mousedown.prevent
      if (!this.descriptor.raw) {
        handler = function () {}
      }
  
      if (typeof handler !== 'function') {
        process.env.NODE_ENV !== 'production' && _.warn(
          'v-on:' + this.arg + '="' +
          this.expression + '" expects a function value, ' +
          'got ' + handler
        )
        return
      }
  
      // apply modifiers
      if (this.modifiers.stop) {
        handler = stopFilter(handler)
      }
      if (this.modifiers.prevent) {
        handler = preventFilter(handler)
      }
      // key filter
      var keys = Object.keys(this.modifiers)
        .filter(function (key) {
          return key !== 'stop' && key !== 'prevent'
        })
      if (keys.length) {
        handler = keyFilter(handler, keys)
      }
  
      this.reset()
      this.handler = handler
  
      if (this.iframeBind) {
        this.iframeBind()
      } else {
        _.on(this.el, this.arg, this.handler)
      }
    },
  
    reset: function () {
      var el = this.iframeBind
        ? this.el.contentWindow
        : this.el
      if (this.handler) {
        _.off(el, this.arg, this.handler)
      }
    },
  
    unbind: function () {
      this.reset()
    }
  }
  
  }).call(this,require('_process'))
  },{"../../util":64,"_process":1}],37:[function(require,module,exports){
  (function (process){
  if (process.env.NODE_ENV !== 'production') {
    module.exports = {
      bind: function () {
        require('../../util').warn(
          'v-ref:' + this.arg + ' must be used on a child ' +
          'component. Found on <' + this.el.tagName.toLowerCase() + '>.'
        )
      }
    }
  }
  
  }).call(this,require('_process'))
  },{"../../util":64,"_process":1}],38:[function(require,module,exports){
  var _ = require('../../util')
  var transition = require('../../transition')
  
  module.exports = {
  
    bind: function () {
      // check else block
      var next = this.el.nextElementSibling
      if (next && _.attr(next, 'v-else') !== null) {
        this.elseEl = next
      }
    },
  
    update: function (value) {
      this.apply(this.el, value)
      if (this.elseEl) {
        this.apply(this.elseEl, !value)
      }
    },
  
    apply: function (el, value) {
      transition.apply(el, value ? 1 : -1, function () {
        el.style.display = value ? '' : 'none'
      }, this.vm)
    }
  }
  
  },{"../../transition":57,"../../util":64}],39:[function(require,module,exports){
  var _ = require('../../util')
  
  module.exports = {
  
    bind: function () {
      this.attr = this.el.nodeType === 3
        ? 'data'
        : 'textContent'
    },
  
    update: function (value) {
      this.el[this.attr] = _.toString(value)
    }
  }
  
  },{"../../util":64}],40:[function(require,module,exports){
  var _ = require('../util')
  var Path = require('../parsers/path')
  var toArray = require('../directives/public/for')._postProcess
  
  /**
   * Limit filter for arrays
   *
   * @param {Number} n
   * @param {Number} offset (Decimal expected)
   */
  
  exports.limitBy = function (arr, n, offset) {
    offset = offset ? parseInt(offset, 10) : 0
    return typeof n === 'number'
      ? arr.slice(offset, offset + n)
      : arr
  }
  
  /**
   * Filter filter for arrays
   *
   * @param {String} search
   * @param {String} [delimiter]
   * @param {String} ...dataKeys
   */
  
  exports.filterBy = function (arr, search, delimiter) {
    arr = toArray(arr)
    if (search == null) {
      return arr
    }
    if (typeof search === 'function') {
      return arr.filter(search)
    }
    // cast to lowercase string
    search = ('' + search).toLowerCase()
    // allow optional `in` delimiter
    // because why not
    var n = delimiter === 'in' ? 3 : 2
    // extract and flatten keys
    var keys = _.toArray(arguments, n).reduce(function (prev, cur) {
      return prev.concat(cur)
    }, [])
    var res = []
    var item, key, val, j
    for (var i = 0, l = arr.length; i < l; i++) {
      item = arr[i]
      val = (item && item.$value) || item
      j = keys.length
      if (j) {
        while (j--) {
          key = keys[j]
          if ((key === '$key' && contains(item.$key, search)) ||
              contains(Path.get(val, key), search)) {
            res.push(item)
            break
          }
        }
      } else if (contains(item, search)) {
        res.push(item)
      }
    }
    return res
  }
  
  /**
   * Filter filter for arrays
   *
   * @param {String} sortKey
   * @param {String} reverse
   */
  
  exports.orderBy = function (arr, sortKey, reverse) {
    arr = toArray(arr)
    if (!sortKey) {
      return arr
    }
    var order = (reverse && reverse < 0) ? -1 : 1
    // sort on a copy to avoid mutating original array
    return arr.slice().sort(function (a, b) {
      if (sortKey !== '$key') {
        if (_.isObject(a) && '$value' in a) a = a.$value
        if (_.isObject(b) && '$value' in b) b = b.$value
      }
      a = _.isObject(a) ? Path.get(a, sortKey) : a
      b = _.isObject(b) ? Path.get(b, sortKey) : b
      return a === b ? 0 : a > b ? order : -order
    })
  }
  
  /**
   * String contain helper
   *
   * @param {*} val
   * @param {String} search
   */
  
  function contains (val, search) {
    var i
    if (_.isPlainObject(val)) {
      var keys = Object.keys(val)
      i = keys.length
      while (i--) {
        if (contains(val[keys[i]], search)) {
          return true
        }
      }
    } else if (_.isArray(val)) {
      i = val.length
      while (i--) {
        if (contains(val[i], search)) {
          return true
        }
      }
    } else if (val != null) {
      return val.toString().toLowerCase().indexOf(search) > -1
    }
  }
  
  },{"../directives/public/for":27,"../parsers/path":54,"../util":64}],41:[function(require,module,exports){
  var _ = require('../util')
  
  /**
   * Stringify value.
   *
   * @param {Number} indent
   */
  
  exports.json = {
    read: function (value, indent) {
      return typeof value === 'string'
        ? value
        : JSON.stringify(value, null, Number(indent) || 2)
    },
    write: function (value) {
      try {
        return JSON.parse(value)
      } catch (e) {
        return value
      }
    }
  }
  
  /**
   * 'abc' => 'Abc'
   */
  
  exports.capitalize = function (value) {
    if (!value && value !== 0) return ''
    value = value.toString()
    return value.charAt(0).toUpperCase() + value.slice(1)
  }
  
  /**
   * 'abc' => 'ABC'
   */
  
  exports.uppercase = function (value) {
    return (value || value === 0)
      ? value.toString().toUpperCase()
      : ''
  }
  
  /**
   * 'AbC' => 'abc'
   */
  
  exports.lowercase = function (value) {
    return (value || value === 0)
      ? value.toString().toLowerCase()
      : ''
  }
  
  /**
   * 12345 => $12,345.00
   *
   * @param {String} sign
   */
  
  var digitsRE = /(\d{3})(?=\d)/g
  exports.currency = function (value, currency) {
    value = parseFloat(value)
    if (!isFinite(value) || (!value && value !== 0)) return ''
    currency = currency != null ? currency : '$'
    var stringified = Math.abs(value).toFixed(2)
    var _int = stringified.slice(0, -3)
    var i = _int.length % 3
    var head = i > 0
      ? (_int.slice(0, i) + (_int.length > 3 ? ',' : ''))
      : ''
    var _float = stringified.slice(-3)
    var sign = value < 0 ? '-' : ''
    return currency + sign + head +
      _int.slice(i).replace(digitsRE, '$1,') +
      _float
  }
  
  /**
   * 'item' => 'items'
   *
   * @params
   *  an array of strings corresponding to
   *  the single, double, triple ... forms of the word to
   *  be pluralized. When the number to be pluralized
   *  exceeds the length of the args, it will use the last
   *  entry in the array.
   *
   *  e.g. ['single', 'double', 'triple', 'multiple']
   */
  
  exports.pluralize = function (value) {
    var args = _.toArray(arguments, 1)
    return args.length > 1
      ? (args[value % 10 - 1] || args[args.length - 1])
      : (args[0] + (value === 1 ? '' : 's'))
  }
  
  /**
   * Debounce a handler function.
   *
   * @param {Function} handler
   * @param {Number} delay = 300
   * @return {Function}
   */
  
  exports.debounce = function (handler, delay) {
    if (!handler) return
    if (!delay) {
      delay = 300
    }
    return _.debounce(handler, delay)
  }
  
  /**
   * Install special array filters
   */
  
  _.extend(exports, require('./array-filters'))
  
  },{"../util":64,"./array-filters":40}],42:[function(require,module,exports){
  var _ = require('../util')
  var compiler = require('../compiler')
  var templateParser = require('../parsers/template')
  var Fragment = require('./fragment')
  var Cache = require('../cache')
  var linkerCache = new Cache(5000)
  
  /**
   * A factory that can be used to create instances of a
   * fragment. Caches the compiled linker if possible.
   *
   * @param {Vue} vm
   * @param {Element|String} el
   */
  
  function FragmentFactory (vm, el) {
    this.vm = vm
    var template
    var isString = typeof el === 'string'
    if (isString || _.isTemplate(el)) {
      template = templateParser.parse(el, true)
    } else {
      template = document.createDocumentFragment()
      template.appendChild(el)
    }
    this.template = template
    // linker can be cached, but only for components
    var linker
    var cid = vm.constructor.cid
    if (cid > 0) {
      var cacheId = cid + (isString ? el : el.outerHTML)
      linker = linkerCache.get(cacheId)
      if (!linker) {
        linker = compiler.compile(template, vm.$options, true)
        linkerCache.put(cacheId, linker)
      }
    } else {
      linker = compiler.compile(template, vm.$options, true)
    }
    this.linker = linker
  }
  
  /**
   * Create a fragment instance with given host and scope.
   *
   * @param {Vue} host
   * @param {Object} scope
   * @param {Fragment} parentFrag
   */
  
  FragmentFactory.prototype.create = function (host, scope, parentFrag) {
    var frag = templateParser.clone(this.template)
    return new Fragment(this.linker, this.vm, frag, host, scope, parentFrag)
  }
  
  module.exports = FragmentFactory
  
  },{"../cache":8,"../compiler":11,"../parsers/template":55,"../util":64,"./fragment":43}],43:[function(require,module,exports){
  var _ = require('../util')
  var transition = require('../transition')
  
  /**
   * Abstraction for a partially-compiled fragment.
   * Can optionally compile content with a child scope.
   *
   * @param {Function} linker
   * @param {Vue} vm
   * @param {DocumentFragment} frag
   * @param {Vue} [host]
   * @param {Object} [scope]
   */
  
  function Fragment (linker, vm, frag, host, scope, parentFrag) {
    this.children = []
    this.childFrags = []
    this.vm = vm
    this.scope = scope
    this.inserted = false
    this.parentFrag = parentFrag
    if (parentFrag) {
      parentFrag.childFrags.push(this)
    }
    this.unlink = linker(vm, frag, host, scope, this)
    var single = this.single =
      frag.childNodes.length === 1 &&
      // do not go single mode if the only node is an anchor
      !(frag.childNodes[0].__vue_anchor)
    if (single) {
      this.node = frag.childNodes[0]
      this.before = singleBefore
      this.remove = singleRemove
    } else {
      this.node = _.createAnchor('fragment-start')
      this.end = _.createAnchor('fragment-end')
      this.frag = frag
      _.prepend(this.node, frag)
      frag.appendChild(this.end)
      this.before = multiBefore
      this.remove = multiRemove
    }
    this.node.__vfrag__ = this
  }
  
  /**
   * Call attach/detach for all components contained within
   * this fragment. Also do so recursively for all child
   * fragments.
   *
   * @param {Function} hook
   */
  
  Fragment.prototype.callHook = function (hook) {
    var i, l
    for (i = 0, l = this.children.length; i < l; i++) {
      hook(this.children[i])
    }
    for (i = 0, l = this.childFrags.length; i < l; i++) {
      this.childFrags[i].callHook(hook)
    }
  }
  
  /**
   * Destroy the fragment.
   */
  
  Fragment.prototype.destroy = function () {
    if (this.parentFrag) {
      this.parentFrag.childFrags.$remove(this)
    }
    this.unlink()
  }
  
  /**
   * Insert fragment before target, single node version
   *
   * @param {Node} target
   * @param {Boolean} withTransition
   */
  
  function singleBefore (target, withTransition) {
    this.inserted = true
    var method = withTransition !== false
      ? transition.before
      : _.before
    method(this.node, target, this.vm)
    if (_.inDoc(this.node)) {
      this.callHook(attach)
    }
  }
  
  /**
   * Remove fragment, single node version
   */
  
  function singleRemove () {
    this.inserted = false
    var shouldCallRemove = _.inDoc(this.node)
    var self = this
    self.callHook(destroyChild)
    transition.remove(this.node, this.vm, function () {
      if (shouldCallRemove) {
        self.callHook(detach)
      }
      self.destroy()
    })
  }
  
  /**
   * Insert fragment before target, multi-nodes version
   *
   * @param {Node} target
   * @param {Boolean} withTransition
   */
  
  function multiBefore (target, withTransition) {
    this.inserted = true
    var vm = this.vm
    var method = withTransition !== false
      ? transition.before
      : _.before
    _.mapNodeRange(this.node, this.end, function (node) {
      method(node, target, vm)
    })
    if (_.inDoc(this.node)) {
      this.callHook(attach)
    }
  }
  
  /**
   * Remove fragment, multi-nodes version
   */
  
  function multiRemove () {
    this.inserted = false
    var self = this
    var shouldCallRemove = _.inDoc(this.node)
    self.callHook(destroyChild)
    _.removeNodeRange(this.node, this.end, this.vm, this.frag, function () {
      if (shouldCallRemove) {
        self.callHook(detach)
      }
      self.destroy()
    })
  }
  
  /**
   * Call attach hook for a Vue instance.
   *
   * @param {Vue} child
   */
  
  function attach (child) {
    if (!child._isAttached) {
      child._callHook('attached')
    }
  }
  
  /**
   * Call destroy for all contained instances,
   * with remove:false and defer:true.
   * Defer is necessary because we need to
   * keep the children to call detach hooks
   * on them.
   *
   * @param {Vue} child
   */
  
  function destroyChild (child) {
    child.$destroy(false, true)
  }
  
  /**
   * Call detach hook for a Vue instance.
   *
   * @param {Vue} child
   */
  
  function detach (child) {
    if (child._isAttached) {
      child._callHook('detached')
    }
  }
  
  module.exports = Fragment
  
  },{"../transition":57,"../util":64}],44:[function(require,module,exports){
  (function (process){
  var _ = require('../util')
  var inDoc = _.inDoc
  var eventRE = /^v-on:|^@/
  
  /**
   * Setup the instance's option events & watchers.
   * If the value is a string, we pull it from the
   * instance's methods by name.
   */
  
  exports._initEvents = function () {
    var options = this.$options
    if (options._asComponent) {
      registerComponentEvents(this, options.el)
    }
    registerCallbacks(this, '$on', options.events)
    registerCallbacks(this, '$watch', options.watch)
  }
  
  /**
   * Register v-on events on a child component
   *
   * @param {Vue} vm
   * @param {Element} el
   */
  
  function registerComponentEvents (vm, el) {
    var attrs = el.attributes
    var name, handler
    for (var i = 0, l = attrs.length; i < l; i++) {
      name = attrs[i].name
      if (eventRE.test(name)) {
        name = name.replace(eventRE, '')
        handler = (vm._scope || vm._context).$eval(attrs[i].value, true)
        vm.$on(name.replace(eventRE), handler)
      }
    }
  }
  
  /**
   * Register callbacks for option events and watchers.
   *
   * @param {Vue} vm
   * @param {String} action
   * @param {Object} hash
   */
  
  function registerCallbacks (vm, action, hash) {
    if (!hash) return
    var handlers, key, i, j
    for (key in hash) {
      handlers = hash[key]
      if (_.isArray(handlers)) {
        for (i = 0, j = handlers.length; i < j; i++) {
          register(vm, action, key, handlers[i])
        }
      } else {
        register(vm, action, key, handlers)
      }
    }
  }
  
  /**
   * Helper to register an event/watch callback.
   *
   * @param {Vue} vm
   * @param {String} action
   * @param {String} key
   * @param {Function|String|Object} handler
   * @param {Object} [options]
   */
  
  function register (vm, action, key, handler, options) {
    var type = typeof handler
    if (type === 'function') {
      vm[action](key, handler, options)
    } else if (type === 'string') {
      var methods = vm.$options.methods
      var method = methods && methods[handler]
      if (method) {
        vm[action](key, method, options)
      } else {
        process.env.NODE_ENV !== 'production' && _.warn(
          'Unknown method: "' + handler + '" when ' +
          'registering callback for ' + action +
          ': "' + key + '".'
        )
      }
    } else if (handler && type === 'object') {
      register(vm, action, key, handler.handler, handler)
    }
  }
  
  /**
   * Setup recursive attached/detached calls
   */
  
  exports._initDOMHooks = function () {
    this.$on('hook:attached', onAttached)
    this.$on('hook:detached', onDetached)
  }
  
  /**
   * Callback to recursively call attached hook on children
   */
  
  function onAttached () {
    if (!this._isAttached) {
      this._isAttached = true
      this.$children.forEach(callAttach)
    }
  }
  
  /**
   * Iterator to call attached hook
   *
   * @param {Vue} child
   */
  
  function callAttach (child) {
    if (!child._isAttached && inDoc(child.$el)) {
      child._callHook('attached')
    }
  }
  
  /**
   * Callback to recursively call detached hook on children
   */
  
  function onDetached () {
    if (this._isAttached) {
      this._isAttached = false
      this.$children.forEach(callDetach)
    }
  }
  
  /**
   * Iterator to call detached hook
   *
   * @param {Vue} child
   */
  
  function callDetach (child) {
    if (child._isAttached && !inDoc(child.$el)) {
      child._callHook('detached')
    }
  }
  
  /**
   * Trigger all handlers for a hook
   *
   * @param {String} hook
   */
  
  exports._callHook = function (hook) {
    var handlers = this.$options[hook]
    if (handlers) {
      for (var i = 0, j = handlers.length; i < j; i++) {
        handlers[i].call(this)
      }
    }
    this.$emit('hook:' + hook)
  }
  
  }).call(this,require('_process'))
  },{"../util":64,"_process":1}],45:[function(require,module,exports){
  var mergeOptions = require('../util').mergeOptions
  var uid = 0
  
  /**
   * The main init sequence. This is called for every
   * instance, including ones that are created from extended
   * constructors.
   *
   * @param {Object} options - this options object should be
   *                           the result of merging class
   *                           options and the options passed
   *                           in to the constructor.
   */
  
  exports._init = function (options) {
  
    options = options || {}
  
    this.$el = null
    this.$parent = options.parent
    this.$root = this.$parent
      ? this.$parent.$root
      : this
    this.$children = []
    this.$refs = {}       // child vm references
    this.$els = {}        // element references
    this._watchers = []   // all watchers as an array
    this._directives = [] // all directives
  
    // a uid
    this._uid = uid++
  
    // a flag to avoid this being observed
    this._isVue = true
  
    // events bookkeeping
    this._events = {}            // registered callbacks
    this._eventsCount = {}       // for $broadcast optimization
    this._shouldPropagate = false // for event propagation
  
    // fragment instance properties
    this._isFragment = false
    this._fragment =         // @type {DocumentFragment}
    this._fragmentStart =    // @type {Text|Comment}
    this._fragmentEnd = null // @type {Text|Comment}
  
    // lifecycle state
    this._isCompiled =
    this._isDestroyed =
    this._isReady =
    this._isAttached =
    this._isBeingDestroyed = false
    this._unlinkFn = null
  
    // context:
    // if this is a transcluded component, context
    // will be the common parent vm of this instance
    // and its host.
    this._context = options._context || this.$parent
  
    // scope:
    // if this is inside an inline v-for, the scope
    // will be the intermediate scope created for this
    // repeat fragment. this is used for linking props
    // and container directives.
    this._scope = options._scope
  
    // fragment:
    // if this instance is compiled inside a Fragment, it
    // needs to reigster itself as a child of that fragment
    // for attach/detach to work properly.
    this._frag = options._frag
    if (this._frag) {
      this._frag.children.push(this)
    }
  
    // push self into parent / transclusion host
    if (this.$parent) {
      this.$parent.$children.push(this)
    }
  
    // merge options.
    options = this.$options = mergeOptions(
      this.constructor.options,
      options,
      this
    )
  
    // set ref
    this._updateRef()
  
    // initialize data as empty object.
    // it will be filled up in _initScope().
    this._data = {}
  
    // call init hook
    this._callHook('init')
  
    // initialize data observation and scope inheritance.
    this._initState()
  
    // setup event system and option events.
    this._initEvents()
  
    // call created hook
    this._callHook('created')
  
    // if `el` option is passed, start compilation.
    if (options.el) {
      this.$mount(options.el)
    }
  }
  
  },{"../util":64}],46:[function(require,module,exports){
  var _ = require('../util')
  var Directive = require('../directive')
  var compiler = require('../compiler')
  
  /**
   * Update v-ref for component.
   *
   * @param {Boolean} remove
   */
  
  exports._updateRef = function (remove) {
    var ref = this.$options._ref
    if (ref) {
      var refs = (this._scope || this._context).$refs
      if (remove) {
        if (refs[ref] === this) {
          refs[ref] = null
        }
      } else {
        refs[ref] = this
      }
    }
  }
  
  /**
   * Transclude, compile and link element.
   *
   * If a pre-compiled linker is available, that means the
   * passed in element will be pre-transcluded and compiled
   * as well - all we need to do is to call the linker.
   *
   * Otherwise we need to call transclude/compile/link here.
   *
   * @param {Element} el
   * @return {Element}
   */
  
  exports._compile = function (el) {
    var options = this.$options
  
    // transclude and init element
    // transclude can potentially replace original
    // so we need to keep reference; this step also injects
    // the template and caches the original attributes
    // on the container node and replacer node.
    var original = el
    el = compiler.transclude(el, options)
    this._initElement(el)
  
    // root is always compiled per-instance, because
    // container attrs and props can be different every time.
    var contextOptions = this._context && this._context.$options
    var rootLinker = compiler.compileRoot(el, options, contextOptions)
  
    // compile and link the rest
    var contentLinkFn
    var ctor = this.constructor
    // component compilation can be cached
    // as long as it's not using inline-template
    if (options._linkerCachable) {
      contentLinkFn = ctor.linker
      if (!contentLinkFn) {
        contentLinkFn = ctor.linker = compiler.compile(el, options)
      }
    }
  
    // link phase
    // make sure to link root with prop scope!
    var rootUnlinkFn = rootLinker(this, el, this._scope)
    var contentUnlinkFn = contentLinkFn
      ? contentLinkFn(this, el)
      : compiler.compile(el, options)(this, el)
  
    // register composite unlink function
    // to be called during instance destruction
    this._unlinkFn = function () {
      rootUnlinkFn()
      // passing destroying: true to avoid searching and
      // splicing the directives
      contentUnlinkFn(true)
    }
  
    // finally replace original
    if (options.replace) {
      _.replace(original, el)
    }
  
    this._isCompiled = true
    this._callHook('compiled')
    return el
  }
  
  /**
   * Initialize instance element. Called in the public
   * $mount() method.
   *
   * @param {Element} el
   */
  
  exports._initElement = function (el) {
    if (el instanceof DocumentFragment) {
      this._isFragment = true
      this.$el = this._fragmentStart = el.firstChild
      this._fragmentEnd = el.lastChild
      // set persisted text anchors to empty
      if (this._fragmentStart.nodeType === 3) {
        this._fragmentStart.data = this._fragmentEnd.data = ''
      }
      this._fragment = el
    } else {
      this.$el = el
    }
    this.$el.__vue__ = this
    this._callHook('beforeCompile')
  }
  
  /**
   * Create and bind a directive to an element.
   *
   * @param {String} name - directive name
   * @param {Node} node   - target node
   * @param {Object} desc - parsed directive descriptor
   * @param {Object} def  - directive definition object
   * @param {Vue} [host] - transclusion host component
   * @param {Object} [scope] - v-for scope
   * @param {Fragment} [frag] - owner fragment
   */
  
  exports._bindDir = function (descriptor, node, host, scope, frag) {
    this._directives.push(
      new Directive(descriptor, this, node, host, scope, frag)
    )
  }
  
  /**
   * Teardown an instance, unobserves the data, unbind all the
   * directives, turn off all the event listeners, etc.
   *
   * @param {Boolean} remove - whether to remove the DOM node.
   * @param {Boolean} deferCleanup - if true, defer cleanup to
   *                                 be called later
   */
  
  exports._destroy = function (remove, deferCleanup) {
    if (this._isBeingDestroyed) {
      if (!deferCleanup) {
        this._cleanup()
      }
      return
    }
    this._callHook('beforeDestroy')
    this._isBeingDestroyed = true
    var i
    // remove self from parent. only necessary
    // if parent is not being destroyed as well.
    var parent = this.$parent
    if (parent && !parent._isBeingDestroyed) {
      parent.$children.$remove(this)
      // unregister ref (remove: true)
      this._updateRef(true)
    }
    // destroy all children.
    i = this.$children.length
    while (i--) {
      this.$children[i].$destroy()
    }
    // teardown props
    if (this._propsUnlinkFn) {
      this._propsUnlinkFn()
    }
    // teardown all directives. this also tearsdown all
    // directive-owned watchers.
    if (this._unlinkFn) {
      this._unlinkFn()
    }
    i = this._watchers.length
    while (i--) {
      this._watchers[i].teardown()
    }
    // remove reference to self on $el
    if (this.$el) {
      this.$el.__vue__ = null
    }
    // remove DOM element
    var self = this
    if (remove && this.$el) {
      this.$remove(function () {
        self._cleanup()
      })
    } else if (!deferCleanup) {
      this._cleanup()
    }
  }
  
  /**
   * Clean up to ensure garbage collection.
   * This is called after the leave transition if there
   * is any.
   */
  
  exports._cleanup = function () {
    if (this._isDestroyed) {
      return
    }
    // remove self from owner fragment
    // do it in cleanup so that we can call $destroy with
    // defer right when a fragment is about to be removed.
    if (this._frag) {
      this._frag.children.$remove(this)
    }
    // remove reference from data ob
    // frozen object may not have observer.
    if (this._data.__ob__) {
      this._data.__ob__.removeVm(this)
    }
    // Clean up references to private properties and other
    // instances. preserve reference to _data so that proxy
    // accessors still work. The only potential side effect
    // here is that mutating the instance after it's destroyed
    // may affect the state of other components that are still
    // observing the same object, but that seems to be a
    // reasonable responsibility for the user rather than
    // always throwing an error on them.
    this.$el =
    this.$parent =
    this.$root =
    this.$children =
    this._watchers =
    this._context =
    this._scope =
    this._directives = null
    // call the last hook...
    this._isDestroyed = true
    this._callHook('destroyed')
    // turn off all instance listeners.
    this.$off()
  }
  
  },{"../compiler":11,"../directive":14,"../util":64}],47:[function(require,module,exports){
  (function (process){
  var _ = require('../util')
  
  /**
   * Apply a list of filter (descriptors) to a value.
   * Using plain for loops here because this will be called in
   * the getter of any watcher with filters so it is very
   * performance sensitive.
   *
   * @param {*} value
   * @param {*} [oldValue]
   * @param {Array} filters
   * @param {Boolean} write
   * @return {*}
   */
  
  exports._applyFilters = function (value, oldValue, filters, write) {
    var filter, fn, args, arg, offset, i, l, j, k
    for (i = 0, l = filters.length; i < l; i++) {
      filter = filters[i]
      fn = _.resolveAsset(this.$options, 'filters', filter.name)
      if (process.env.NODE_ENV !== 'production') {
        _.assertAsset(fn, 'filter', filter.name)
      }
      if (!fn) continue
      fn = write ? fn.write : (fn.read || fn)
      if (typeof fn !== 'function') continue
      args = write ? [value, oldValue] : [value]
      offset = write ? 2 : 1
      if (filter.args) {
        for (j = 0, k = filter.args.length; j < k; j++) {
          arg = filter.args[j]
          args[j + offset] = arg.dynamic
            ? this.$get(arg.value)
            : arg.value
        }
      }
      value = fn.apply(this, args)
    }
    return value
  }
  
  /**
   * Resolve a component, depending on whether the component
   * is defined normally or using an async factory function.
   * Resolves synchronously if already resolved, otherwise
   * resolves asynchronously and caches the resolved
   * constructor on the factory.
   *
   * @param {String} id
   * @param {Function} cb
   */
  
  exports._resolveComponent = function (id, cb) {
    var factory = _.resolveAsset(this.$options, 'components', id)
    if (process.env.NODE_ENV !== 'production') {
      _.assertAsset(factory, 'component', id)
    }
    if (!factory) {
      return
    }
    // async component factory
    if (!factory.options) {
      if (factory.resolved) {
        // cached
        cb(factory.resolved)
      } else if (factory.requested) {
        // pool callbacks
        factory.pendingCallbacks.push(cb)
      } else {
        factory.requested = true
        var cbs = factory.pendingCallbacks = [cb]
        factory(function resolve (res) {
          if (_.isPlainObject(res)) {
            res = _.Vue.extend(res)
          }
          // cache resolved
          factory.resolved = res
          // invoke callbacks
          for (var i = 0, l = cbs.length; i < l; i++) {
            cbs[i](res)
          }
        }, function reject (reason) {
          process.env.NODE_ENV !== 'production' && _.warn(
            'Failed to resolve async component: ' + id + '. ' +
            (reason ? '\nReason: ' + reason : '')
          )
        })
      }
    } else {
      // normal component
      cb(factory)
    }
  }
  
  }).call(this,require('_process'))
  },{"../util":64,"_process":1}],48:[function(require,module,exports){
  (function (process){
  var _ = require('../util')
  var compiler = require('../compiler')
  var Observer = require('../observer')
  var Dep = require('../observer/dep')
  var Watcher = require('../watcher')
  
  /**
   * Setup the scope of an instance, which contains:
   * - observed data
   * - computed properties
   * - user methods
   * - meta properties
   */
  
  exports._initState = function () {
    this._initProps()
    this._initMeta()
    this._initMethods()
    this._initData()
    this._initComputed()
  }
  
  /**
   * Initialize props.
   */
  
  exports._initProps = function () {
    var options = this.$options
    var el = options.el
    var props = options.props
    if (props && !el) {
      process.env.NODE_ENV !== 'production' && _.warn(
        'Props will not be compiled if no `el` option is ' +
        'provided at instantiation.'
      )
    }
    // make sure to convert string selectors into element now
    el = options.el = _.query(el)
    this._propsUnlinkFn = el && el.nodeType === 1 && props
      // props must be linked in proper scope if inside v-for
      ? compiler.compileAndLinkProps(this, el, props, this._scope)
      : null
  }
  
  /**
   * Initialize the data.
   */
  
  exports._initData = function () {
    var propsData = this._data
    var optionsDataFn = this.$options.data
    var optionsData = optionsDataFn && optionsDataFn()
    if (optionsData) {
      this._data = optionsData
      for (var prop in propsData) {
        if (process.env.NODE_ENV !== 'production' &&
            optionsData.hasOwnProperty(prop)) {
          _.warn(
            'Data field "' + prop + '" is already defined ' +
            'as a prop. Use prop default value instead.'
          )
        }
        if (this._props[prop].raw !== null ||
            !optionsData.hasOwnProperty(prop)) {
          _.set(optionsData, prop, propsData[prop])
        }
      }
    }
    var data = this._data
    // proxy data on instance
    var keys = Object.keys(data)
    var i, key
    i = keys.length
    while (i--) {
      key = keys[i]
      this._proxy(key)
    }
    // observe data
    Observer.create(data, this)
  }
  
  /**
   * Swap the instance's $data. Called in $data's setter.
   *
   * @param {Object} newData
   */
  
  exports._setData = function (newData) {
    newData = newData || {}
    var oldData = this._data
    this._data = newData
    var keys, key, i
    // unproxy keys not present in new data
    keys = Object.keys(oldData)
    i = keys.length
    while (i--) {
      key = keys[i]
      if (!(key in newData)) {
        this._unproxy(key)
      }
    }
    // proxy keys not already proxied,
    // and trigger change for changed values
    keys = Object.keys(newData)
    i = keys.length
    while (i--) {
      key = keys[i]
      if (!this.hasOwnProperty(key)) {
        // new property
        this._proxy(key)
      }
    }
    oldData.__ob__.removeVm(this)
    Observer.create(newData, this)
    this._digest()
  }
  
  /**
   * Proxy a property, so that
   * vm.prop === vm._data.prop
   *
   * @param {String} key
   */
  
  exports._proxy = function (key) {
    if (!_.isReserved(key)) {
      // need to store ref to self here
      // because these getter/setters might
      // be called by child scopes via
      // prototype inheritance.
      var self = this
      Object.defineProperty(self, key, {
        configurable: true,
        enumerable: true,
        get: function proxyGetter () {
          return self._data[key]
        },
        set: function proxySetter (val) {
          self._data[key] = val
        }
      })
    }
  }
  
  /**
   * Unproxy a property.
   *
   * @param {String} key
   */
  
  exports._unproxy = function (key) {
    if (!_.isReserved(key)) {
      delete this[key]
    }
  }
  
  /**
   * Force update on every watcher in scope.
   */
  
  exports._digest = function () {
    for (var i = 0, l = this._watchers.length; i < l; i++) {
      this._watchers[i].update(true) // shallow updates
    }
  }
  
  /**
   * Setup computed properties. They are essentially
   * special getter/setters
   */
  
  function noop () {}
  exports._initComputed = function () {
    var computed = this.$options.computed
    if (computed) {
      for (var key in computed) {
        var userDef = computed[key]
        var def = {
          enumerable: true,
          configurable: true
        }
        if (typeof userDef === 'function') {
          def.get = makeComputedGetter(userDef, this)
          def.set = noop
        } else {
          def.get = userDef.get
            ? userDef.cache !== false
              ? makeComputedGetter(userDef.get, this)
              : _.bind(userDef.get, this)
            : noop
          def.set = userDef.set
            ? _.bind(userDef.set, this)
            : noop
        }
        Object.defineProperty(this, key, def)
      }
    }
  }
  
  function makeComputedGetter (getter, owner) {
    var watcher = new Watcher(owner, getter, null, {
      lazy: true
    })
    return function computedGetter () {
      if (watcher.dirty) {
        watcher.evaluate()
      }
      if (Dep.target) {
        watcher.depend()
      }
      return watcher.value
    }
  }
  
  /**
   * Setup instance methods. Methods must be bound to the
   * instance since they might be passed down as a prop to
   * child components.
   */
  
  exports._initMethods = function () {
    var methods = this.$options.methods
    if (methods) {
      for (var key in methods) {
        this[key] = _.bind(methods[key], this)
      }
    }
  }
  
  /**
   * Initialize meta information like $index, $key & $value.
   */
  
  exports._initMeta = function () {
    var metas = this.$options._meta
    if (metas) {
      for (var key in metas) {
        _.defineReactive(this, key, metas[key])
      }
    }
  }
  
  }).call(this,require('_process'))
  },{"../compiler":11,"../observer":51,"../observer/dep":50,"../util":64,"../watcher":68,"_process":1}],49:[function(require,module,exports){
  var _ = require('../util')
  var arrayProto = Array.prototype
  var arrayMethods = Object.create(arrayProto)
  
  /**
   * Intercept mutating methods and emit events
   */
  
  ;[
    'push',
    'pop',
    'shift',
    'unshift',
    'splice',
    'sort',
    'reverse'
  ]
  .forEach(function (method) {
    // cache original method
    var original = arrayProto[method]
    _.define(arrayMethods, method, function mutator () {
      // avoid leaking arguments:
      // http://jsperf.com/closure-with-arguments
      var i = arguments.length
      var args = new Array(i)
      while (i--) {
        args[i] = arguments[i]
      }
      var result = original.apply(this, args)
      var ob = this.__ob__
      var inserted
      switch (method) {
        case 'push':
          inserted = args
          break
        case 'unshift':
          inserted = args
          break
        case 'splice':
          inserted = args.slice(2)
          break
      }
      if (inserted) ob.observeArray(inserted)
      // notify change
      ob.dep.notify()
      return result
    })
  })
  
  /**
   * Swap the element at the given index with a new value
   * and emits corresponding event.
   *
   * @param {Number} index
   * @param {*} val
   * @return {*} - replaced element
   */
  
  _.define(
    arrayProto,
    '$set',
    function $set (index, val) {
      if (index >= this.length) {
        this.length = index + 1
      }
      return this.splice(index, 1, val)[0]
    }
  )
  
  /**
   * Convenience method to remove the element at given index.
   *
   * @param {Number} index
   * @param {*} val
   */
  
  _.define(
    arrayProto,
    '$remove',
    function $remove (item) {
      /* istanbul ignore if */
      if (!this.length) return
      var index = _.indexOf(this, item)
      if (index > -1) {
        return this.splice(index, 1)
      }
    }
  )
  
  module.exports = arrayMethods
  
  },{"../util":64}],50:[function(require,module,exports){
  var _ = require('../util')
  var uid = 0
  
  /**
   * A dep is an observable that can have multiple
   * directives subscribing to it.
   *
   * @constructor
   */
  
  function Dep () {
    this.id = uid++
    this.subs = []
  }
  
  // the current target watcher being evaluated.
  // this is globally unique because there could be only one
  // watcher being evaluated at any time.
  Dep.target = null
  
  /**
   * Add a directive subscriber.
   *
   * @param {Directive} sub
   */
  
  Dep.prototype.addSub = function (sub) {
    this.subs.push(sub)
  }
  
  /**
   * Remove a directive subscriber.
   *
   * @param {Directive} sub
   */
  
  Dep.prototype.removeSub = function (sub) {
    this.subs.$remove(sub)
  }
  
  /**
   * Add self as a dependency to the target watcher.
   */
  
  Dep.prototype.depend = function () {
    Dep.target.addDep(this)
  }
  
  /**
   * Notify all subscribers of a new value.
   */
  
  Dep.prototype.notify = function () {
    // stablize the subscriber list first
    var subs = _.toArray(this.subs)
    for (var i = 0, l = subs.length; i < l; i++) {
      subs[i].update()
    }
  }
  
  module.exports = Dep
  
  },{"../util":64}],51:[function(require,module,exports){
  var _ = require('../util')
  var config = require('../config')
  var Dep = require('./dep')
  var arrayMethods = require('./array')
  var arrayKeys = Object.getOwnPropertyNames(arrayMethods)
  
  /**
   * Observer class that are attached to each observed
   * object. Once attached, the observer converts target
   * object's property keys into getter/setters that
   * collect dependencies and dispatches updates.
   *
   * @param {Array|Object} value
   * @constructor
   */
  
  function Observer (value) {
    this.value = value
    this.dep = new Dep()
    _.define(value, '__ob__', this)
    if (_.isArray(value)) {
      var augment = _.hasProto
        ? protoAugment
        : copyAugment
      augment(value, arrayMethods, arrayKeys)
      this.observeArray(value)
    } else {
      this.walk(value)
    }
  }
  
  // Static methods
  
  /**
   * Attempt to create an observer instance for a value,
   * returns the new observer if successfully observed,
   * or the existing observer if the value already has one.
   *
   * @param {*} value
   * @param {Vue} [vm]
   * @return {Observer|undefined}
   * @static
   */
  
  Observer.create = function (value, vm) {
    if (!value || typeof value !== 'object') {
      return
    }
    var ob
    if (
      Object.prototype.hasOwnProperty.call(value, '__ob__') &&
      value.__ob__ instanceof Observer
    ) {
      ob = value.__ob__
    } else if (
      (_.isArray(value) || _.isPlainObject(value)) &&
      !Object.isFrozen(value) &&
      !value._isVue
    ) {
      ob = new Observer(value)
    }
    if (ob && vm) {
      ob.addVm(vm)
    }
    return ob
  }
  
  // Instance methods
  
  /**
   * Walk through each property and convert them into
   * getter/setters. This method should only be called when
   * value type is Object.
   *
   * @param {Object} obj
   */
  
  Observer.prototype.walk = function (obj) {
    var keys = Object.keys(obj)
    var i = keys.length
    while (i--) {
      this.convert(keys[i], obj[keys[i]])
    }
  }
  
  /**
   * Observe a list of Array items.
   *
   * @param {Array} items
   */
  
  Observer.prototype.observeArray = function (items) {
    var i = items.length
    while (i--) {
      Observer.create(items[i])
    }
  }
  
  /**
   * Convert a property into getter/setter so we can emit
   * the events when the property is accessed/changed.
   *
   * @param {String} key
   * @param {*} val
   */
  
  Observer.prototype.convert = function (key, val) {
    defineReactive(this.value, key, val)
  }
  
  /**
   * Add an owner vm, so that when $set/$delete mutations
   * happen we can notify owner vms to proxy the keys and
   * digest the watchers. This is only called when the object
   * is observed as an instance's root $data.
   *
   * @param {Vue} vm
   */
  
  Observer.prototype.addVm = function (vm) {
    (this.vms || (this.vms = [])).push(vm)
  }
  
  /**
   * Remove an owner vm. This is called when the object is
   * swapped out as an instance's $data object.
   *
   * @param {Vue} vm
   */
  
  Observer.prototype.removeVm = function (vm) {
    this.vms.$remove(vm)
  }
  
  // helpers
  
  /**
   * Augment an target Object or Array by intercepting
   * the prototype chain using __proto__
   *
   * @param {Object|Array} target
   * @param {Object} proto
   */
  
  function protoAugment (target, src) {
    target.__proto__ = src
  }
  
  /**
   * Augment an target Object or Array by defining
   * hidden properties.
   *
   * @param {Object|Array} target
   * @param {Object} proto
   */
  
  function copyAugment (target, src, keys) {
    var i = keys.length
    var key
    while (i--) {
      key = keys[i]
      _.define(target, key, src[key])
    }
  }
  
  /**
   * Define a reactive property on an Object.
   *
   * @param {Object} obj
   * @param {String} key
   * @param {*} val
   */
  
  function defineReactive (obj, key, val) {
    var dep = new Dep()
  
    // cater for pre-defined getter/setters
    var getter, setter
    if (config.convertAllProperties) {
      var property = Object.getOwnPropertyDescriptor(obj, key)
      if (property && property.configurable === false) {
        return
      }
      getter = property && property.get
      setter = property && property.set
    }
  
    var childOb = Observer.create(val)
    Object.defineProperty(obj, key, {
      enumerable: true,
      configurable: true,
      get: function reactiveGetter () {
        var value = getter ? getter.call(obj) : val
        if (Dep.target) {
          dep.depend()
          if (childOb) {
            childOb.dep.depend()
          }
          if (_.isArray(value)) {
            for (var e, i = 0, l = value.length; i < l; i++) {
              e = value[i]
              e && e.__ob__ && e.__ob__.dep.depend()
            }
          }
        }
        return value
      },
      set: function reactiveSetter (newVal) {
        var value = getter ? getter.call(obj) : val
        if (newVal === value) {
          return
        }
        if (setter) {
          setter.call(obj, newVal)
        } else {
          val = newVal
        }
        childOb = Observer.create(newVal)
        dep.notify()
      }
    })
  }
  
  // Attach to the util object so it can be used elsewhere.
  _.defineReactive = defineReactive
  
  module.exports = Observer
  
  },{"../config":13,"../util":64,"./array":49,"./dep":50}],52:[function(require,module,exports){
  var _ = require('../util')
  var Cache = require('../cache')
  var cache = new Cache(1000)
  var filterTokenRE = /[^\s'"]+|'[^']*'|"[^"]*"/g
  var reservedArgRE = /^in$|^-?\d+/
  
  /**
   * Parser state
   */
  
  var str, dir
  var c, i, l, lastFilterIndex
  var inSingle, inDouble, curly, square, paren
  
  /**
   * Push a filter to the current directive object
   */
  
  function pushFilter () {
    var exp = str.slice(lastFilterIndex, i).trim()
    var filter
    if (exp) {
      filter = {}
      var tokens = exp.match(filterTokenRE)
      filter.name = tokens[0]
      if (tokens.length > 1) {
        filter.args = tokens.slice(1).map(processFilterArg)
      }
    }
    if (filter) {
      (dir.filters = dir.filters || []).push(filter)
    }
    lastFilterIndex = i + 1
  }
  
  /**
   * Check if an argument is dynamic and strip quotes.
   *
   * @param {String} arg
   * @return {Object}
   */
  
  function processFilterArg (arg) {
    if (reservedArgRE.test(arg)) {
      return {
        value: _.toNumber(arg),
        dynamic: false
      }
    } else {
      var stripped = _.stripQuotes(arg)
      var dynamic = stripped === arg
      return {
        value: dynamic ? arg : stripped,
        dynamic: dynamic
      }
    }
  }
  
  /**
   * Parse a directive value and extract the expression
   * and its filters into a descriptor.
   *
   * Example:
   *
   * "a + 1 | uppercase" will yield:
   * {
   *   expression: 'a + 1',
   *   filters: [
   *     { name: 'uppercase', args: null }
   *   ]
   * }
   *
   * @param {String} str
   * @return {Object}
   */
  
  exports.parse = function (s) {
  
    var hit = cache.get(s)
    if (hit) {
      return hit
    }
  
    // reset parser state
    str = s
    inSingle = inDouble = false
    curly = square = paren = 0
    lastFilterIndex = 0
    dir = {}
  
    for (i = 0, l = str.length; i < l; i++) {
      c = str.charCodeAt(i)
      if (inSingle) {
        // check single quote
        if (c === 0x27) inSingle = !inSingle
      } else if (inDouble) {
        // check double quote
        if (c === 0x22) inDouble = !inDouble
      } else if (
        c === 0x7C && // pipe
        str.charCodeAt(i + 1) !== 0x7C &&
        str.charCodeAt(i - 1) !== 0x7C
      ) {
        if (dir.expression == null) {
          // first filter, end of expression
          lastFilterIndex = i + 1
          dir.expression = str.slice(0, i).trim()
        } else {
          // already has filter
          pushFilter()
        }
      } else {
        switch (c) {
          case 0x22: inDouble = true; break // "
          case 0x27: inSingle = true; break // '
          case 0x28: paren++; break         // (
          case 0x29: paren--; break         // )
          case 0x5B: square++; break        // [
          case 0x5D: square--; break        // ]
          case 0x7B: curly++; break         // {
          case 0x7D: curly--; break         // }
        }
      }
    }
  
    if (dir.expression == null) {
      dir.expression = str.slice(0, i).trim()
    } else if (lastFilterIndex !== 0) {
      pushFilter()
    }
  
    cache.put(s, dir)
    return dir
  }
  
  },{"../cache":8,"../util":64}],53:[function(require,module,exports){
  (function (process){
  var _ = require('../util')
  var Path = require('./path')
  var Cache = require('../cache')
  var expressionCache = new Cache(1000)
  
  var allowedKeywords =
    'Math,Date,this,true,false,null,undefined,Infinity,NaN,' +
    'isNaN,isFinite,decodeURI,decodeURIComponent,encodeURI,' +
    'encodeURIComponent,parseInt,parseFloat'
  var allowedKeywordsRE =
    new RegExp('^(' + allowedKeywords.replace(/,/g, '\\b|') + '\\b)')
  
  // keywords that don't make sense inside expressions
  var improperKeywords =
    'break,case,class,catch,const,continue,debugger,default,' +
    'delete,do,else,export,extends,finally,for,function,if,' +
    'import,in,instanceof,let,return,super,switch,throw,try,' +
    'var,while,with,yield,enum,await,implements,package,' +
    'proctected,static,interface,private,public'
  var improperKeywordsRE =
    new RegExp('^(' + improperKeywords.replace(/,/g, '\\b|') + '\\b)')
  
  var wsRE = /\s/g
  var newlineRE = /\n/g
  var saveRE = /[\{,]\s*[\w\$_]+\s*:|('[^']*'|"[^"]*")|new |typeof |void /g
  var restoreRE = /"(\d+)"/g
  var pathTestRE = /^[A-Za-z_$][\w$]*(\.[A-Za-z_$][\w$]*|\['.*?'\]|\[".*?"\]|\[\d+\]|\[[A-Za-z_$][\w$]*\])*$/
  var pathReplaceRE = /[^\w$\.]([A-Za-z_$][\w$]*(\.[A-Za-z_$][\w$]*|\['.*?'\]|\[".*?"\])*)/g
  var booleanLiteralRE = /^(true|false)$/
  
  /**
   * Save / Rewrite / Restore
   *
   * When rewriting paths found in an expression, it is
   * possible for the same letter sequences to be found in
   * strings and Object literal property keys. Therefore we
   * remove and store these parts in a temporary array, and
   * restore them after the path rewrite.
   */
  
  var saved = []
  
  /**
   * Save replacer
   *
   * The save regex can match two possible cases:
   * 1. An opening object literal
   * 2. A string
   * If matched as a plain string, we need to escape its
   * newlines, since the string needs to be preserved when
   * generating the function body.
   *
   * @param {String} str
   * @param {String} isString - str if matched as a string
   * @return {String} - placeholder with index
   */
  
  function save (str, isString) {
    var i = saved.length
    saved[i] = isString
      ? str.replace(newlineRE, '\\n')
      : str
    return '"' + i + '"'
  }
  
  /**
   * Path rewrite replacer
   *
   * @param {String} raw
   * @return {String}
   */
  
  function rewrite (raw) {
    var c = raw.charAt(0)
    var path = raw.slice(1)
    if (allowedKeywordsRE.test(path)) {
      return raw
    } else {
      path = path.indexOf('"') > -1
        ? path.replace(restoreRE, restore)
        : path
      return c + 'scope.' + path
    }
  }
  
  /**
   * Restore replacer
   *
   * @param {String} str
   * @param {String} i - matched save index
   * @return {String}
   */
  
  function restore (str, i) {
    return saved[i]
  }
  
  /**
   * Rewrite an expression, prefixing all path accessors with
   * `scope.` and generate getter/setter functions.
   *
   * @param {String} exp
   * @param {Boolean} needSet
   * @return {Function}
   */
  
  function compileExpFns (exp, needSet) {
    if (improperKeywordsRE.test(exp)) {
      process.env.NODE_ENV !== 'production' && _.warn(
        'Avoid using reserved keywords in expression: ' + exp
      )
    }
    // reset state
    saved.length = 0
    // save strings and object literal keys
    var body = exp
      .replace(saveRE, save)
      .replace(wsRE, '')
    // rewrite all paths
    // pad 1 space here becaue the regex matches 1 extra char
    body = (' ' + body)
      .replace(pathReplaceRE, rewrite)
      .replace(restoreRE, restore)
    var getter = makeGetter(body)
    if (getter) {
      return {
        get: getter,
        body: body,
        set: needSet
          ? makeSetter(body)
          : null
      }
    }
  }
  
  /**
   * Compile getter setters for a simple path.
   *
   * @param {String} exp
   * @return {Function}
   */
  
  function compilePathFns (exp) {
    var getter, path
    if (exp.indexOf('[') < 0) {
      // really simple path
      path = exp.split('.')
      path.raw = exp
      getter = Path.compileGetter(path)
    } else {
      // do the real parsing
      path = Path.parse(exp)
      getter = path.get
    }
    return {
      get: getter,
      // always generate setter for simple paths
      set: function (obj, val) {
        Path.set(obj, path, val)
      }
    }
  }
  
  /**
   * Build a getter function. Requires eval.
   *
   * We isolate the try/catch so it doesn't affect the
   * optimization of the parse function when it is not called.
   *
   * @param {String} body
   * @return {Function|undefined}
   */
  
  function makeGetter (body) {
    try {
      return new Function('scope', 'return ' + body + ';')
    } catch (e) {
      process.env.NODE_ENV !== 'production' && _.warn(
        'Invalid expression. ' +
        'Generated function body: ' + body
      )
    }
  }
  
  /**
   * Build a setter function.
   *
   * This is only needed in rare situations like "a[b]" where
   * a settable path requires dynamic evaluation.
   *
   * This setter function may throw error when called if the
   * expression body is not a valid left-hand expression in
   * assignment.
   *
   * @param {String} body
   * @return {Function|undefined}
   */
  
  function makeSetter (body) {
    try {
      return new Function('scope', 'value', body + '=value;')
    } catch (e) {
      process.env.NODE_ENV !== 'production' && _.warn(
        'Invalid setter function body: ' + body
      )
    }
  }
  
  /**
   * Check for setter existence on a cache hit.
   *
   * @param {Function} hit
   */
  
  function checkSetter (hit) {
    if (!hit.set) {
      hit.set = makeSetter(hit.body)
    }
  }
  
  /**
   * Parse an expression into re-written getter/setters.
   *
   * @param {String} exp
   * @param {Boolean} needSet
   * @return {Function}
   */
  
  exports.parse = function (exp, needSet) {
    exp = exp.trim()
    // try cache
    var hit = expressionCache.get(exp)
    if (hit) {
      if (needSet) {
        checkSetter(hit)
      }
      return hit
    }
    // we do a simple path check to optimize for them.
    // the check fails valid paths with unusal whitespaces,
    // but that's too rare and we don't care.
    // also skip boolean literals and paths that start with
    // global "Math"
    var res = exports.isSimplePath(exp)
      ? compilePathFns(exp)
      : compileExpFns(exp, needSet)
    expressionCache.put(exp, res)
    return res
  }
  
  /**
   * Check if an expression is a simple path.
   *
   * @param {String} exp
   * @return {Boolean}
   */
  
  exports.isSimplePath = function (exp) {
    return pathTestRE.test(exp) &&
      // don't treat true/false as paths
      !booleanLiteralRE.test(exp) &&
      // Math constants e.g. Math.PI, Math.E etc.
      exp.slice(0, 5) !== 'Math.'
  }
  
  }).call(this,require('_process'))
  },{"../cache":8,"../util":64,"./path":54,"_process":1}],54:[function(require,module,exports){
  (function (process){
  var _ = require('../util')
  var Cache = require('../cache')
  var pathCache = new Cache(1000)
  var identRE = exports.identRE = /^[$_a-zA-Z]+[\w$]*$/
  
  // actions
  var APPEND = 0
  var PUSH = 1
  
  // states
  var BEFORE_PATH = 0
  var IN_PATH = 1
  var BEFORE_IDENT = 2
  var IN_IDENT = 3
  var BEFORE_ELEMENT = 4
  var AFTER_ZERO = 5
  var IN_INDEX = 6
  var IN_SINGLE_QUOTE = 7
  var IN_DOUBLE_QUOTE = 8
  var IN_SUB_PATH = 9
  var AFTER_ELEMENT = 10
  var AFTER_PATH = 11
  var ERROR = 12
  
  var pathStateMachine = []
  
  pathStateMachine[BEFORE_PATH] = {
    'ws': [BEFORE_PATH],
    'ident': [IN_IDENT, APPEND],
    '[': [BEFORE_ELEMENT],
    'eof': [AFTER_PATH]
  }
  
  pathStateMachine[IN_PATH] = {
    'ws': [IN_PATH],
    '.': [BEFORE_IDENT],
    '[': [BEFORE_ELEMENT],
    'eof': [AFTER_PATH]
  }
  
  pathStateMachine[BEFORE_IDENT] = {
    'ws': [BEFORE_IDENT],
    'ident': [IN_IDENT, APPEND]
  }
  
  pathStateMachine[IN_IDENT] = {
    'ident': [IN_IDENT, APPEND],
    '0': [IN_IDENT, APPEND],
    'number': [IN_IDENT, APPEND],
    'ws': [IN_PATH, PUSH],
    '.': [BEFORE_IDENT, PUSH],
    '[': [BEFORE_ELEMENT, PUSH],
    'eof': [AFTER_PATH, PUSH]
  }
  
  pathStateMachine[BEFORE_ELEMENT] = {
    'ws': [BEFORE_ELEMENT],
    '0': [AFTER_ZERO, APPEND],
    'number': [IN_INDEX, APPEND],
    "'": [IN_SINGLE_QUOTE, APPEND, ''],
    '"': [IN_DOUBLE_QUOTE, APPEND, ''],
    'ident': [IN_SUB_PATH, APPEND, '*']
  }
  
  pathStateMachine[AFTER_ZERO] = {
    'ws': [AFTER_ELEMENT, PUSH],
    ']': [IN_PATH, PUSH]
  }
  
  pathStateMachine[IN_INDEX] = {
    '0': [IN_INDEX, APPEND],
    'number': [IN_INDEX, APPEND],
    'ws': [AFTER_ELEMENT],
    ']': [IN_PATH, PUSH]
  }
  
  pathStateMachine[IN_SINGLE_QUOTE] = {
    "'": [AFTER_ELEMENT],
    'eof': ERROR,
    'else': [IN_SINGLE_QUOTE, APPEND]
  }
  
  pathStateMachine[IN_DOUBLE_QUOTE] = {
    '"': [AFTER_ELEMENT],
    'eof': ERROR,
    'else': [IN_DOUBLE_QUOTE, APPEND]
  }
  
  pathStateMachine[IN_SUB_PATH] = {
    'ident': [IN_SUB_PATH, APPEND],
    '0': [IN_SUB_PATH, APPEND],
    'number': [IN_SUB_PATH, APPEND],
    'ws': [AFTER_ELEMENT],
    ']': [IN_PATH, PUSH]
  }
  
  pathStateMachine[AFTER_ELEMENT] = {
    'ws': [AFTER_ELEMENT],
    ']': [IN_PATH, PUSH]
  }
  
  /**
   * Determine the type of a character in a keypath.
   *
   * @param {Char} ch
   * @return {String} type
   */
  
  function getPathCharType (ch) {
    if (ch === undefined) {
      return 'eof'
    }
  
    var code = ch.charCodeAt(0)
  
    switch (code) {
      case 0x5B: // [
      case 0x5D: // ]
      case 0x2E: // .
      case 0x22: // "
      case 0x27: // '
      case 0x30: // 0
        return ch
  
      case 0x5F: // _
      case 0x24: // $
        return 'ident'
  
      case 0x20: // Space
      case 0x09: // Tab
      case 0x0A: // Newline
      case 0x0D: // Return
      case 0xA0:  // No-break space
      case 0xFEFF:  // Byte Order Mark
      case 0x2028:  // Line Separator
      case 0x2029:  // Paragraph Separator
        return 'ws'
    }
  
    // a-z, A-Z
    if (
      (code >= 0x61 && code <= 0x7A) ||
      (code >= 0x41 && code <= 0x5A)
    ) {
      return 'ident'
    }
  
    // 1-9
    if (code >= 0x31 && code <= 0x39) {
      return 'number'
    }
  
    return 'else'
  }
  
  /**
   * Parse a string path into an array of segments
   *
   * @param {String} path
   * @return {Array|undefined}
   */
  
  function parsePath (path) {
    var keys = []
    var index = -1
    var mode = BEFORE_PATH
    var c, newChar, key, type, transition, action, typeMap
  
    var actions = []
    actions[PUSH] = function () {
      if (key === undefined) {
        return
      }
      keys.push(key)
      key = undefined
    }
    actions[APPEND] = function () {
      if (key === undefined) {
        key = newChar
      } else {
        key += newChar
      }
    }
  
    function maybeUnescapeQuote () {
      var nextChar = path[index + 1]
      if ((mode === IN_SINGLE_QUOTE && nextChar === "'") ||
          (mode === IN_DOUBLE_QUOTE && nextChar === '"')) {
        index++
        newChar = nextChar
        actions[APPEND]()
        return true
      }
    }
  
    while (mode != null) {
      index++
      c = path[index]
  
      if (c === '\\' && maybeUnescapeQuote()) {
        continue
      }
  
      type = getPathCharType(c)
      typeMap = pathStateMachine[mode]
      transition = typeMap[type] || typeMap['else'] || ERROR
  
      if (transition === ERROR) {
        return // parse error
      }
  
      mode = transition[0]
      action = actions[transition[1]]
      if (action) {
        newChar = transition[2]
        newChar = newChar === undefined
          ? c
          : newChar === '*'
            ? newChar + c
            : newChar
        action()
      }
  
      if (mode === AFTER_PATH) {
        keys.raw = path
        return keys
      }
    }
  }
  
  /**
   * Format a accessor segment based on its type.
   *
   * @param {String} key
   * @return {Boolean}
   */
  
  function formatAccessor (key) {
    if (identRE.test(key)) { // identifier
      return '.' + key
    } else if (+key === key >>> 0) { // bracket index
      return '[' + key + ']'
    } else if (key.charAt(0) === '*') {
      return '[o' + formatAccessor(key.slice(1)) + ']'
    } else { // bracket string
      return '["' + key.replace(/"/g, '\\"') + '"]'
    }
  }
  
  /**
   * Compiles a getter function with a fixed path.
   * The fixed path getter supresses errors.
   *
   * @param {Array} path
   * @return {Function}
   */
  
  exports.compileGetter = function (path) {
    var body = 'return o' + path.map(formatAccessor).join('')
    return new Function('o', body)
  }
  
  /**
   * External parse that check for a cache hit first
   *
   * @param {String} path
   * @return {Array|undefined}
   */
  
  exports.parse = function (path) {
    var hit = pathCache.get(path)
    if (!hit) {
      hit = parsePath(path)
      if (hit) {
        hit.get = exports.compileGetter(hit)
        pathCache.put(path, hit)
      }
    }
    return hit
  }
  
  /**
   * Get from an object from a path string
   *
   * @param {Object} obj
   * @param {String} path
   */
  
  exports.get = function (obj, path) {
    path = exports.parse(path)
    if (path) {
      return path.get(obj)
    }
  }
  
  /**
   * Warn against setting non-existent root path on a vm.
   */
  
  var warnNonExistent
  if (process.env.NODE_ENV !== 'production') {
    warnNonExistent = function (path) {
      _.warn(
        'You are setting a non-existent path "' + path.raw + '" ' +
        'on a vm instance. Consider pre-initializing the property ' +
        'with the "data" option for more reliable reactivity ' +
        'and better performance.'
      )
    }
  }
  
  /**
   * Set on an object from a path
   *
   * @param {Object} obj
   * @param {String | Array} path
   * @param {*} val
   */
  
  exports.set = function (obj, path, val) {
    var original = obj
    if (typeof path === 'string') {
      path = exports.parse(path)
    }
    if (!path || !_.isObject(obj)) {
      return false
    }
    var last, key
    for (var i = 0, l = path.length; i < l; i++) {
      last = obj
      key = path[i]
      if (key.charAt(0) === '*') {
        key = original[key.slice(1)]
      }
      if (i < l - 1) {
        obj = obj[key]
        if (!_.isObject(obj)) {
          obj = {}
          if (process.env.NODE_ENV !== 'production' && last._isVue) {
            warnNonExistent(path)
          }
          _.set(last, key, obj)
        }
      } else {
        if (_.isArray(obj)) {
          obj.$set(key, val)
        } else if (key in obj) {
          obj[key] = val
        } else {
          if (process.env.NODE_ENV !== 'production' && obj._isVue) {
            warnNonExistent(path)
          }
          _.set(obj, key, val)
        }
      }
    }
    return true
  }
  
  }).call(this,require('_process'))
  },{"../cache":8,"../util":64,"_process":1}],55:[function(require,module,exports){
  var _ = require('../util')
  var Cache = require('../cache')
  var templateCache = new Cache(1000)
  var idSelectorCache = new Cache(1000)
  
  var map = {
    _default: [0, '', ''],
    legend: [1, '<fieldset>', '</fieldset>'],
    tr: [2, '<table><tbody>', '</tbody></table>'],
    col: [
      2,
      '<table><tbody></tbody><colgroup>',
      '</colgroup></table>'
    ]
  }
  
  map.td =
  map.th = [
    3,
    '<table><tbody><tr>',
    '</tr></tbody></table>'
  ]
  
  map.option =
  map.optgroup = [
    1,
    '<select multiple="multiple">',
    '</select>'
  ]
  
  map.thead =
  map.tbody =
  map.colgroup =
  map.caption =
  map.tfoot = [1, '<table>', '</table>']
  
  map.g =
  map.defs =
  map.symbol =
  map.use =
  map.image =
  map.text =
  map.circle =
  map.ellipse =
  map.line =
  map.path =
  map.polygon =
  map.polyline =
  map.rect = [
    1,
    '<svg ' +
      'xmlns="http://www.w3.org/2000/svg" ' +
      'xmlns:xlink="http://www.w3.org/1999/xlink" ' +
      'xmlns:ev="http://www.w3.org/2001/xml-events"' +
      'version="1.1">',
    '</svg>'
  ]
  
  /**
   * Check if a node is a supported template node with a
   * DocumentFragment content.
   *
   * @param {Node} node
   * @return {Boolean}
   */
  
  function isRealTemplate (node) {
    return _.isTemplate(node) &&
      node.content instanceof DocumentFragment
  }
  
  var tagRE = /<([\w:]+)/
  var entityRE = /&\w+;|&#\d+;|&#x[\dA-F]+;/
  
  /**
   * Convert a string template to a DocumentFragment.
   * Determines correct wrapping by tag types. Wrapping
   * strategy found in jQuery & component/domify.
   *
   * @param {String} templateString
   * @return {DocumentFragment}
   */
  
  function stringToFragment (templateString) {
    // try a cache hit first
    var hit = templateCache.get(templateString)
    if (hit) {
      return hit
    }
  
    var frag = document.createDocumentFragment()
    var tagMatch = templateString.match(tagRE)
    var entityMatch = entityRE.test(templateString)
  
    if (!tagMatch && !entityMatch) {
      // text only, return a single text node.
      frag.appendChild(
        document.createTextNode(templateString)
      )
    } else {
  
      var tag = tagMatch && tagMatch[1]
      var wrap = map[tag] || map._default
      var depth = wrap[0]
      var prefix = wrap[1]
      var suffix = wrap[2]
      var node = document.createElement('div')
  
      node.innerHTML = prefix + templateString.trim() + suffix
      while (depth--) {
        node = node.lastChild
      }
  
      var child
      /* eslint-disable no-cond-assign */
      while (child = node.firstChild) {
      /* eslint-enable no-cond-assign */
        frag.appendChild(child)
      }
    }
  
    templateCache.put(templateString, frag)
    return frag
  }
  
  /**
   * Convert a template node to a DocumentFragment.
   *
   * @param {Node} node
   * @return {DocumentFragment}
   */
  
  function nodeToFragment (node) {
    // if its a template tag and the browser supports it,
    // its content is already a document fragment.
    if (isRealTemplate(node)) {
      _.trimNode(node.content)
      return node.content
    }
    // script template
    if (node.tagName === 'SCRIPT') {
      return stringToFragment(node.textContent)
    }
    // normal node, clone it to avoid mutating the original
    var clone = exports.clone(node)
    var frag = document.createDocumentFragment()
    var child
    /* eslint-disable no-cond-assign */
    while (child = clone.firstChild) {
    /* eslint-enable no-cond-assign */
      frag.appendChild(child)
    }
    _.trimNode(frag)
    return frag
  }
  
  // Test for the presence of the Safari template cloning bug
  // https://bugs.webkit.org/show_bug.cgi?id=137755
  var hasBrokenTemplate = (function () {
    /* istanbul ignore else */
    if (_.inBrowser) {
      var a = document.createElement('div')
      a.innerHTML = '<template>1</template>'
      return !a.cloneNode(true).firstChild.innerHTML
    } else {
      return false
    }
  })()
  
  // Test for IE10/11 textarea placeholder clone bug
  var hasTextareaCloneBug = (function () {
    /* istanbul ignore else */
    if (_.inBrowser) {
      var t = document.createElement('textarea')
      t.placeholder = 't'
      return t.cloneNode(true).value === 't'
    } else {
      return false
    }
  })()
  
  /**
   * 1. Deal with Safari cloning nested <template> bug by
   *    manually cloning all template instances.
   * 2. Deal with IE10/11 textarea placeholder bug by setting
   *    the correct value after cloning.
   *
   * @param {Element|DocumentFragment} node
   * @return {Element|DocumentFragment}
   */
  
  exports.clone = function (node) {
    if (!node.querySelectorAll) {
      return node.cloneNode()
    }
    var res = node.cloneNode(true)
    var i, original, cloned
    /* istanbul ignore if */
    if (hasBrokenTemplate) {
      var clone = res
      if (isRealTemplate(node)) {
        node = node.content
        clone = res.content
      }
      original = node.querySelectorAll('template')
      if (original.length) {
        cloned = clone.querySelectorAll('template')
        i = cloned.length
        while (i--) {
          cloned[i].parentNode.replaceChild(
            exports.clone(original[i]),
            cloned[i]
          )
        }
      }
    }
    /* istanbul ignore if */
    if (hasTextareaCloneBug) {
      if (node.tagName === 'TEXTAREA') {
        res.value = node.value
      } else {
        original = node.querySelectorAll('textarea')
        if (original.length) {
          cloned = res.querySelectorAll('textarea')
          i = cloned.length
          while (i--) {
            cloned[i].value = original[i].value
          }
        }
      }
    }
    return res
  }
  
  /**
   * Process the template option and normalizes it into a
   * a DocumentFragment that can be used as a partial or a
   * instance template.
   *
   * @param {*} template
   *    Possible values include:
   *    - DocumentFragment object
   *    - Node object of type Template
   *    - id selector: '#some-template-id'
   *    - template string: '<div><span>{{msg}}</span></div>'
   * @param {Boolean} clone
   * @param {Boolean} noSelector
   * @return {DocumentFragment|undefined}
   */
  
  exports.parse = function (template, clone, noSelector) {
    var node, frag
  
    // if the template is already a document fragment,
    // do nothing
    if (template instanceof DocumentFragment) {
      _.trimNode(template)
      return clone
        ? exports.clone(template)
        : template
    }
  
    if (typeof template === 'string') {
      // id selector
      if (!noSelector && template.charAt(0) === '#') {
        // id selector can be cached too
        frag = idSelectorCache.get(template)
        if (!frag) {
          node = document.getElementById(template.slice(1))
          if (node) {
            frag = nodeToFragment(node)
            // save selector to cache
            idSelectorCache.put(template, frag)
          }
        }
      } else {
        // normal string template
        frag = stringToFragment(template)
      }
    } else if (template.nodeType) {
      // a direct node
      frag = nodeToFragment(template)
    }
  
    return frag && clone
      ? exports.clone(frag)
      : frag
  }
  
  },{"../cache":8,"../util":64}],56:[function(require,module,exports){
  var Cache = require('../cache')
  var config = require('../config')
  var dirParser = require('./directive')
  var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g
  var cache, tagRE, htmlRE
  
  /**
   * Escape a string so it can be used in a RegExp
   * constructor.
   *
   * @param {String} str
   */
  
  function escapeRegex (str) {
    return str.replace(regexEscapeRE, '\\$&')
  }
  
  exports.compileRegex = function () {
    var open = escapeRegex(config.delimiters[0])
    var close = escapeRegex(config.delimiters[1])
    var unsafeOpen = escapeRegex(config.unsafeDelimiters[0])
    var unsafeClose = escapeRegex(config.unsafeDelimiters[1])
    tagRE = new RegExp(
      unsafeOpen + '(.+?)' + unsafeClose + '|' +
      open + '(.+?)' + close,
      'g'
    )
    htmlRE = new RegExp(
      '^' + unsafeOpen + '.*' + unsafeClose + '$'
    )
    // reset cache
    cache = new Cache(1000)
  }
  
  /**
   * Parse a template text string into an array of tokens.
   *
   * @param {String} text
   * @return {Array<Object> | null}
   *               - {String} type
   *               - {String} value
   *               - {Boolean} [html]
   *               - {Boolean} [oneTime]
   */
  
  exports.parse = function (text) {
    if (!cache) {
      exports.compileRegex()
    }
    var hit = cache.get(text)
    if (hit) {
      return hit
    }
    text = text.replace(/\n/g, '')
    if (!tagRE.test(text)) {
      return null
    }
    var tokens = []
    var lastIndex = tagRE.lastIndex = 0
    var match, index, html, value, first, oneTime
    /* eslint-disable no-cond-assign */
    while (match = tagRE.exec(text)) {
    /* eslint-enable no-cond-assign */
      index = match.index
      // push text token
      if (index > lastIndex) {
        tokens.push({
          value: text.slice(lastIndex, index)
        })
      }
      // tag token
      html = htmlRE.test(match[0])
      value = html ? match[1] : match[2]
      first = value.charCodeAt(0)
      oneTime = first === 42 // *
      value = oneTime
        ? value.slice(1)
        : value
      tokens.push({
        tag: true,
        value: value.trim(),
        html: html,
        oneTime: oneTime
      })
      lastIndex = index + match[0].length
    }
    if (lastIndex < text.length) {
      tokens.push({
        value: text.slice(lastIndex)
      })
    }
    cache.put(text, tokens)
    return tokens
  }
  
  /**
   * Format a list of tokens into an expression.
   * e.g. tokens parsed from 'a {{b}} c' can be serialized
   * into one single expression as '"a " + b + " c"'.
   *
   * @param {Array} tokens
   * @return {String}
   */
  
  exports.tokensToExp = function (tokens) {
    if (tokens.length > 1) {
      return tokens.map(function (token) {
        return formatToken(token)
      }).join('+')
    } else {
      return formatToken(tokens[0], true)
    }
  }
  
  /**
   * Format a single token.
   *
   * @param {Object} token
   * @param {Boolean} single
   * @return {String}
   */
  
  function formatToken (token, single) {
    return token.tag
      ? inlineFilters(token.value, single)
      : '"' + token.value + '"'
  }
  
  /**
   * For an attribute with multiple interpolation tags,
   * e.g. attr="some-{{thing | filter}}", in order to combine
   * the whole thing into a single watchable expression, we
   * have to inline those filters. This function does exactly
   * that. This is a bit hacky but it avoids heavy changes
   * to directive parser and watcher mechanism.
   *
   * @param {String} exp
   * @param {Boolean} single
   * @return {String}
   */
  
  var filterRE = /[^|]\|[^|]/
  function inlineFilters (exp, single) {
    if (!filterRE.test(exp)) {
      return single
        ? exp
        : '(' + exp + ')'
    } else {
      var dir = dirParser.parse(exp)
      if (!dir.filters) {
        return '(' + exp + ')'
      } else {
        return 'this._applyFilters(' +
          dir.expression + // value
          ',null,' +       // oldValue (null for read)
          JSON.stringify(dir.filters) + // filter descriptors
          ',false)'        // write?
      }
    }
  }
  
  },{"../cache":8,"../config":13,"./directive":52}],57:[function(require,module,exports){
  var _ = require('../util')
  
  /**
   * Append with transition.
   *
   * @param {Element} el
   * @param {Element} target
   * @param {Vue} vm
   * @param {Function} [cb]
   */
  
  exports.append = function (el, target, vm, cb) {
    apply(el, 1, function () {
      target.appendChild(el)
    }, vm, cb)
  }
  
  /**
   * InsertBefore with transition.
   *
   * @param {Element} el
   * @param {Element} target
   * @param {Vue} vm
   * @param {Function} [cb]
   */
  
  exports.before = function (el, target, vm, cb) {
    apply(el, 1, function () {
      _.before(el, target)
    }, vm, cb)
  }
  
  /**
   * Remove with transition.
   *
   * @param {Element} el
   * @param {Vue} vm
   * @param {Function} [cb]
   */
  
  exports.remove = function (el, vm, cb) {
    apply(el, -1, function () {
      _.remove(el)
    }, vm, cb)
  }
  
  /**
   * Apply transitions with an operation callback.
   *
   * @param {Element} el
   * @param {Number} direction
   *                  1: enter
   *                 -1: leave
   * @param {Function} op - the actual DOM operation
   * @param {Vue} vm
   * @param {Function} [cb]
   */
  
  var apply = exports.apply = function (el, direction, op, vm, cb) {
    var transition = el.__v_trans
    if (
      !transition ||
      // skip if there are no js hooks and CSS transition is
      // not supported
      (!transition.hooks && !_.transitionEndEvent) ||
      // skip transitions for initial compile
      !vm._isCompiled ||
      // if the vm is being manipulated by a parent directive
      // during the parent's compilation phase, skip the
      // animation.
      (vm.$parent && !vm.$parent._isCompiled)
    ) {
      op()
      if (cb) cb()
      return
    }
    var action = direction > 0 ? 'enter' : 'leave'
    transition[action](op, cb)
  }
  
  },{"../util":64}],58:[function(require,module,exports){
  var _ = require('../util')
  var queue = []
  var queued = false
  
  /**
   * Push a job into the queue.
   *
   * @param {Function} job
   */
  
  exports.push = function (job) {
    queue.push(job)
    if (!queued) {
      queued = true
      _.nextTick(flush)
    }
  }
  
  /**
   * Flush the queue, and do one forced reflow before
   * triggering transitions.
   */
  
  function flush () {
    // Force layout
    var f = document.documentElement.offsetHeight
    for (var i = 0; i < queue.length; i++) {
      queue[i]()
    }
    queue = []
    queued = false
    // dummy return, so js linters don't complain about
    // unused variable f
    return f
  }
  
  },{"../util":64}],59:[function(require,module,exports){
  var _ = require('../util')
  var queue = require('./queue')
  var addClass = _.addClass
  var removeClass = _.removeClass
  var transitionEndEvent = _.transitionEndEvent
  var animationEndEvent = _.animationEndEvent
  var transDurationProp = _.transitionProp + 'Duration'
  var animDurationProp = _.animationProp + 'Duration'
  
  var TYPE_TRANSITION = 1
  var TYPE_ANIMATION = 2
  
  /**
   * A Transition object that encapsulates the state and logic
   * of the transition.
   *
   * @param {Element} el
   * @param {String} id
   * @param {Object} hooks
   * @param {Vue} vm
   */
  
  function Transition (el, id, hooks, vm) {
    this.id = id
    this.el = el
    this.enterClass = id + '-enter'
    this.leaveClass = id + '-leave'
    this.hooks = hooks
    this.vm = vm
    // async state
    this.pendingCssEvent =
    this.pendingCssCb =
    this.cancel =
    this.pendingJsCb =
    this.op =
    this.cb = null
    this.justEntered = false
    this.entered = this.left = false
    this.typeCache = {}
    // bind
    var self = this
    ;['enterNextTick', 'enterDone', 'leaveNextTick', 'leaveDone']
      .forEach(function (m) {
        self[m] = _.bind(self[m], self)
      })
  }
  
  var p = Transition.prototype
  
  /**
   * Start an entering transition.
   *
   * 1. enter transition triggered
   * 2. call beforeEnter hook
   * 3. add enter class
   * 4. insert/show element
   * 5. call enter hook (with possible explicit js callback)
   * 6. reflow
   * 7. based on transition type:
   *    - transition:
   *        remove class now, wait for transitionend,
   *        then done if there's no explicit js callback.
   *    - animation:
   *        wait for animationend, remove class,
   *        then done if there's no explicit js callback.
   *    - no css transition:
   *        done now if there's no explicit js callback.
   * 8. wait for either done or js callback, then call
   *    afterEnter hook.
   *
   * @param {Function} op - insert/show the element
   * @param {Function} [cb]
   */
  
  p.enter = function (op, cb) {
    this.cancelPending()
    this.callHook('beforeEnter')
    this.cb = cb
    addClass(this.el, this.enterClass)
    op()
    this.entered = false
    this.callHookWithCb('enter')
    if (this.entered) {
      return // user called done synchronously.
    }
    this.cancel = this.hooks && this.hooks.enterCancelled
    queue.push(this.enterNextTick)
  }
  
  /**
   * The "nextTick" phase of an entering transition, which is
   * to be pushed into a queue and executed after a reflow so
   * that removing the class can trigger a CSS transition.
   */
  
  p.enterNextTick = function () {
  
    // Important hack:
    // in Chrome, if a just-entered element is applied the
    // leave class while its interpolated property still has
    // a very small value (within one frame), Chrome will
    // skip the leave transition entirely and not firing the
    // transtionend event. Therefore we need to protected
    // against such cases using a one-frame timeout.
    this.justEntered = true
    var self = this
    setTimeout(function () {
      self.justEntered = false
    }, 17)
  
    var enterDone = this.enterDone
    var type = this.getCssTransitionType(this.enterClass)
    if (!this.pendingJsCb) {
      if (type === TYPE_TRANSITION) {
        // trigger transition by removing enter class now
        removeClass(this.el, this.enterClass)
        this.setupCssCb(transitionEndEvent, enterDone)
      } else if (type === TYPE_ANIMATION) {
        this.setupCssCb(animationEndEvent, enterDone)
      } else {
        enterDone()
      }
    } else if (type === TYPE_TRANSITION) {
      removeClass(this.el, this.enterClass)
    }
  }
  
  /**
   * The "cleanup" phase of an entering transition.
   */
  
  p.enterDone = function () {
    this.entered = true
    this.cancel = this.pendingJsCb = null
    removeClass(this.el, this.enterClass)
    this.callHook('afterEnter')
    if (this.cb) this.cb()
  }
  
  /**
   * Start a leaving transition.
   *
   * 1. leave transition triggered.
   * 2. call beforeLeave hook
   * 3. add leave class (trigger css transition)
   * 4. call leave hook (with possible explicit js callback)
   * 5. reflow if no explicit js callback is provided
   * 6. based on transition type:
   *    - transition or animation:
   *        wait for end event, remove class, then done if
   *        there's no explicit js callback.
   *    - no css transition:
   *        done if there's no explicit js callback.
   * 7. wait for either done or js callback, then call
   *    afterLeave hook.
   *
   * @param {Function} op - remove/hide the element
   * @param {Function} [cb]
   */
  
  p.leave = function (op, cb) {
    this.cancelPending()
    this.callHook('beforeLeave')
    this.op = op
    this.cb = cb
    addClass(this.el, this.leaveClass)
    this.left = false
    this.callHookWithCb('leave')
    if (this.left) {
      return // user called done synchronously.
    }
    this.cancel = this.hooks && this.hooks.leaveCancelled
    // only need to handle leaveDone if
    // 1. the transition is already done (synchronously called
    //    by the user, which causes this.op set to null)
    // 2. there's no explicit js callback
    if (this.op && !this.pendingJsCb) {
      // if a CSS transition leaves immediately after enter,
      // the transitionend event never fires. therefore we
      // detect such cases and end the leave immediately.
      if (this.justEntered) {
        this.leaveDone()
      } else {
        queue.push(this.leaveNextTick)
      }
    }
  }
  
  /**
   * The "nextTick" phase of a leaving transition.
   */
  
  p.leaveNextTick = function () {
    var type = this.getCssTransitionType(this.leaveClass)
    if (type) {
      var event = type === TYPE_TRANSITION
        ? transitionEndEvent
        : animationEndEvent
      this.setupCssCb(event, this.leaveDone)
    } else {
      this.leaveDone()
    }
  }
  
  /**
   * The "cleanup" phase of a leaving transition.
   */
  
  p.leaveDone = function () {
    this.left = true
    this.cancel = this.pendingJsCb = null
    this.op()
    removeClass(this.el, this.leaveClass)
    this.callHook('afterLeave')
    if (this.cb) this.cb()
    this.op = null
  }
  
  /**
   * Cancel any pending callbacks from a previously running
   * but not finished transition.
   */
  
  p.cancelPending = function () {
    this.op = this.cb = null
    var hasPending = false
    if (this.pendingCssCb) {
      hasPending = true
      _.off(this.el, this.pendingCssEvent, this.pendingCssCb)
      this.pendingCssEvent = this.pendingCssCb = null
    }
    if (this.pendingJsCb) {
      hasPending = true
      this.pendingJsCb.cancel()
      this.pendingJsCb = null
    }
    if (hasPending) {
      removeClass(this.el, this.enterClass)
      removeClass(this.el, this.leaveClass)
    }
    if (this.cancel) {
      this.cancel.call(this.vm, this.el)
      this.cancel = null
    }
  }
  
  /**
   * Call a user-provided synchronous hook function.
   *
   * @param {String} type
   */
  
  p.callHook = function (type) {
    if (this.hooks && this.hooks[type]) {
      this.hooks[type].call(this.vm, this.el)
    }
  }
  
  /**
   * Call a user-provided, potentially-async hook function.
   * We check for the length of arguments to see if the hook
   * expects a `done` callback. If true, the transition's end
   * will be determined by when the user calls that callback;
   * otherwise, the end is determined by the CSS transition or
   * animation.
   *
   * @param {String} type
   */
  
  p.callHookWithCb = function (type) {
    var hook = this.hooks && this.hooks[type]
    if (hook) {
      if (hook.length > 1) {
        this.pendingJsCb = _.cancellable(this[type + 'Done'])
      }
      hook.call(this.vm, this.el, this.pendingJsCb)
    }
  }
  
  /**
   * Get an element's transition type based on the
   * calculated styles.
   *
   * @param {String} className
   * @return {Number}
   */
  
  p.getCssTransitionType = function (className) {
    /* istanbul ignore if */
    if (
      !transitionEndEvent ||
      // skip CSS transitions if page is not visible -
      // this solves the issue of transitionend events not
      // firing until the page is visible again.
      // pageVisibility API is supported in IE10+, same as
      // CSS transitions.
      document.hidden ||
      // explicit js-only transition
      (this.hooks && this.hooks.css === false) ||
      // element is hidden
      isHidden(this.el)
    ) {
      return
    }
    var type = this.typeCache[className]
    if (type) return type
    var inlineStyles = this.el.style
    var computedStyles = window.getComputedStyle(this.el)
    var transDuration =
      inlineStyles[transDurationProp] ||
      computedStyles[transDurationProp]
    if (transDuration && transDuration !== '0s') {
      type = TYPE_TRANSITION
    } else {
      var animDuration =
        inlineStyles[animDurationProp] ||
        computedStyles[animDurationProp]
      if (animDuration && animDuration !== '0s') {
        type = TYPE_ANIMATION
      }
    }
    if (type) {
      this.typeCache[className] = type
    }
    return type
  }
  
  /**
   * Setup a CSS transitionend/animationend callback.
   *
   * @param {String} event
   * @param {Function} cb
   */
  
  p.setupCssCb = function (event, cb) {
    this.pendingCssEvent = event
    var self = this
    var el = this.el
    var onEnd = this.pendingCssCb = function (e) {
      if (e.target === el) {
        _.off(el, event, onEnd)
        self.pendingCssEvent = self.pendingCssCb = null
        if (!self.pendingJsCb && cb) {
          cb()
        }
      }
    }
    _.on(el, event, onEnd)
  }
  
  /**
   * Check if an element is hidden - in that case we can just
   * skip the transition alltogether.
   *
   * @param {Element} el
   * @return {Boolean}
   */
  
  function isHidden (el) {
    return !(
      el.offsetWidth ||
      el.offsetHeight ||
      el.getClientRects().length
    )
  }
  
  module.exports = Transition
  
  },{"../util":64,"./queue":58}],60:[function(require,module,exports){
  (function (process){
  var _ = require('./index')
  
  /**
   * Check if an element is a component, if yes return its
   * component id.
   *
   * @param {Element} el
   * @param {Object} options
   * @return {Object|undefined}
   */
  
  exports.commonTagRE = /^(div|p|span|img|a|b|i|br|ul|ol|li|h1|h2|h3|h4|h5|h6|code|pre|table|th|td|tr|form|label|input|select|option|nav|article|section|header|footer)$/
  exports.checkComponent = function (el, options) {
    var tag = el.tagName.toLowerCase()
    var hasAttrs = el.hasAttributes()
    if (!exports.commonTagRE.test(tag) && tag !== 'component') {
      if (_.resolveAsset(options, 'components', tag)) {
        return { id: tag }
      } else {
        var is = hasAttrs && getIsBinding(el)
        if (is) {
          return is
        } else if (process.env.NODE_ENV !== 'production') {
          if (
            tag.indexOf('-') > -1 ||
            (
              /HTMLUnknownElement/.test(el.toString()) &&
              // Chrome returns unknown for several HTML5 elements.
              // https://code.google.com/p/chromium/issues/detail?id=540526
              !/^(data|time|rtc|rb)$/.test(tag)
            )
          ) {
            _.warn(
              'Unknown custom element: <' + tag + '> - did you ' +
              'register the component correctly?'
            )
          }
        }
      }
    } else if (hasAttrs) {
      return getIsBinding(el)
    }
  }
  
  /**
   * Get "is" binding from an element.
   *
   * @param {Element} el
   * @return {Object|undefined}
   */
  
  function getIsBinding (el) {
    // dynamic syntax
    var exp = _.attr(el, 'is')
    if (exp != null) {
      return { id: exp }
    } else {
      exp = _.getBindAttr(el, 'is')
      if (exp != null) {
        return { id: exp, dynamic: true }
      }
    }
  }
  
  /**
   * Set a prop's initial value on a vm and its data object.
   *
   * @param {Vue} vm
   * @param {Object} prop
   * @param {*} value
   */
  
  exports.initProp = function (vm, prop, value) {
    if (exports.assertProp(prop, value)) {
      var key = prop.path
      vm[key] = vm._data[key] = value
    }
  }
  
  /**
   * Assert whether a prop is valid.
   *
   * @param {Object} prop
   * @param {*} value
   */
  
  exports.assertProp = function (prop, value) {
    // if a prop is not provided and is not required,
    // skip the check.
    if (prop.raw === null && !prop.required) {
      return true
    }
    var options = prop.options
    var type = options.type
    var valid = true
    var expectedType
    if (type) {
      if (type === String) {
        expectedType = 'string'
        valid = typeof value === expectedType
      } else if (type === Number) {
        expectedType = 'number'
        valid = typeof value === 'number'
      } else if (type === Boolean) {
        expectedType = 'boolean'
        valid = typeof value === 'boolean'
      } else if (type === Function) {
        expectedType = 'function'
        valid = typeof value === 'function'
      } else if (type === Object) {
        expectedType = 'object'
        valid = _.isPlainObject(value)
      } else if (type === Array) {
        expectedType = 'array'
        valid = _.isArray(value)
      } else {
        valid = value instanceof type
      }
    }
    if (!valid) {
      process.env.NODE_ENV !== 'production' && _.warn(
        'Invalid prop: type check failed for ' +
        prop.path + '="' + prop.raw + '".' +
        ' Expected ' + formatType(expectedType) +
        ', got ' + formatValue(value) + '.'
      )
      return false
    }
    var validator = options.validator
    if (validator) {
      if (!validator.call(null, value)) {
        process.env.NODE_ENV !== 'production' && _.warn(
          'Invalid prop: custom validator check failed for ' +
          prop.path + '="' + prop.raw + '"'
        )
        return false
      }
    }
    return true
  }
  
  function formatType (val) {
    return val
      ? val.charAt(0).toUpperCase() + val.slice(1)
      : 'custom type'
  }
  
  function formatValue (val) {
    return Object.prototype.toString.call(val).slice(8, -1)
  }
  
  }).call(this,require('_process'))
  },{"./index":64,"_process":1}],61:[function(require,module,exports){
  (function (process){
  /**
   * Enable debug utilities.
   */
  
  if (process.env.NODE_ENV !== 'production') {
  
    var config = require('../config')
    var hasConsole = typeof console !== 'undefined'
  
    /**
     * Log a message.
     *
     * @param {String} msg
     */
  
    exports.log = function (msg) {
      if (hasConsole && config.debug) {
        console.log('[Vue info]: ' + msg)
      }
    }
  
    /**
     * We've got a problem here.
     *
     * @param {String} msg
     */
  
    exports.warn = function (msg, e) {
      if (hasConsole && (!config.silent || config.debug)) {
        console.warn('[Vue warn]: ' + msg)
        /* istanbul ignore if */
        if (config.debug) {
          console.warn((e || new Error('Warning Stack Trace')).stack)
        }
      }
    }
  
    /**
     * Assert asset exists
     */
  
    exports.assertAsset = function (val, type, id) {
      if (!val) {
        exports.warn('Failed to resolve ' + type + ': ' + id)
      }
    }
  }
  
  }).call(this,require('_process'))
  },{"../config":13,"_process":1}],62:[function(require,module,exports){
  (function (process){
  var _ = require('./index')
  var config = require('../config')
  var transition = require('../transition')
  
  /**
   * Query an element selector if it's not an element already.
   *
   * @param {String|Element} el
   * @return {Element}
   */
  
  exports.query = function (el) {
    if (typeof el === 'string') {
      var selector = el
      el = document.querySelector(el)
      if (!el) {
        process.env.NODE_ENV !== 'production' && _.warn(
          'Cannot find element: ' + selector
        )
      }
    }
    return el
  }
  
  /**
   * Check if a node is in the document.
   * Note: document.documentElement.contains should work here
   * but always returns false for comment nodes in phantomjs,
   * making unit tests difficult. This is fixed by doing the
   * contains() check on the node's parentNode instead of
   * the node itself.
   *
   * @param {Node} node
   * @return {Boolean}
   */
  
  exports.inDoc = function (node) {
    var doc = document.documentElement
    var parent = node && node.parentNode
    return doc === node ||
      doc === parent ||
      !!(parent && parent.nodeType === 1 && (doc.contains(parent)))
  }
  
  /**
   * Get and remove an attribute from a node.
   *
   * @param {Node} node
   * @param {String} attr
   */
  
  exports.attr = function (node, attr) {
    var val = node.getAttribute(attr)
    if (val !== null) {
      node.removeAttribute(attr)
    }
    return val
  }
  
  /**
   * Get an attribute with colon or v-bind: prefix.
   *
   * @param {Node} node
   * @param {String} name
   * @return {String|null}
   */
  
  exports.getBindAttr = function (node, name) {
    var val = exports.attr(node, ':' + name)
    if (val === null) {
      val = exports.attr(node, 'v-bind:' + name)
    }
    return val
  }
  
  /**
   * Insert el before target
   *
   * @param {Element} el
   * @param {Element} target
   */
  
  exports.before = function (el, target) {
    target.parentNode.insertBefore(el, target)
  }
  
  /**
   * Insert el after target
   *
   * @param {Element} el
   * @param {Element} target
   */
  
  exports.after = function (el, target) {
    if (target.nextSibling) {
      exports.before(el, target.nextSibling)
    } else {
      target.parentNode.appendChild(el)
    }
  }
  
  /**
   * Remove el from DOM
   *
   * @param {Element} el
   */
  
  exports.remove = function (el) {
    el.parentNode.removeChild(el)
  }
  
  /**
   * Prepend el to target
   *
   * @param {Element} el
   * @param {Element} target
   */
  
  exports.prepend = function (el, target) {
    if (target.firstChild) {
      exports.before(el, target.firstChild)
    } else {
      target.appendChild(el)
    }
  }
  
  /**
   * Replace target with el
   *
   * @param {Element} target
   * @param {Element} el
   */
  
  exports.replace = function (target, el) {
    var parent = target.parentNode
    if (parent) {
      parent.replaceChild(el, target)
    }
  }
  
  /**
   * Add event listener shorthand.
   *
   * @param {Element} el
   * @param {String} event
   * @param {Function} cb
   */
  
  exports.on = function (el, event, cb) {
    el.addEventListener(event, cb)
  }
  
  /**
   * Remove event listener shorthand.
   *
   * @param {Element} el
   * @param {String} event
   * @param {Function} cb
   */
  
  exports.off = function (el, event, cb) {
    el.removeEventListener(event, cb)
  }
  
  /**
   * Add class with compatibility for IE & SVG
   *
   * @param {Element} el
   * @param {Strong} cls
   */
  
  exports.addClass = function (el, cls) {
    if (el.classList) {
      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 IE & SVG
   *
   * @param {Element} el
   * @param {Strong} cls
   */
  
  exports.removeClass = function (el, cls) {
    if (el.classList) {
      el.classList.remove(cls)
    } else {
      var cur = ' ' + (el.getAttribute('class') || '') + ' '
      var tar = ' ' + cls + ' '
      while (cur.indexOf(tar) >= 0) {
        cur = cur.replace(tar, ' ')
      }
      el.setAttribute('class', cur.trim())
    }
    if (!el.className) {
      el.removeAttribute('class')
    }
  }
  
  /**
   * Extract raw content inside an element into a temporary
   * container div
   *
   * @param {Element} el
   * @param {Boolean} asFragment
   * @return {Element}
   */
  
  exports.extractContent = function (el, asFragment) {
    var child
    var rawContent
    /* istanbul ignore if */
    if (
      exports.isTemplate(el) &&
      el.content instanceof DocumentFragment
    ) {
      el = el.content
    }
    if (el.hasChildNodes()) {
      exports.trimNode(el)
      rawContent = asFragment
        ? document.createDocumentFragment()
        : document.createElement('div')
      /* eslint-disable no-cond-assign */
      while (child = el.firstChild) {
      /* eslint-enable no-cond-assign */
        rawContent.appendChild(child)
      }
    }
    return rawContent
  }
  
  /**
   * Trim possible empty head/tail textNodes inside a parent.
   *
   * @param {Node} node
   */
  
  exports.trimNode = function (node) {
    trim(node, node.firstChild)
    trim(node, node.lastChild)
  }
  
  function trim (parent, node) {
    if (node && node.nodeType === 3 && !node.data.trim()) {
      parent.removeChild(node)
    }
  }
  
  /**
   * Check if an element is a template tag.
   * Note if the template appears inside an SVG its tagName
   * will be in lowercase.
   *
   * @param {Element} el
   */
  
  exports.isTemplate = function (el) {
    return el.tagName &&
      el.tagName.toLowerCase() === 'template'
  }
  
  /**
   * Create an "anchor" for performing dom insertion/removals.
   * This is used in a number of scenarios:
   * - fragment instance
   * - v-html
   * - v-if
   * - v-for
   * - component
   *
   * @param {String} content
   * @param {Boolean} persist - IE trashes empty textNodes on
   *                            cloneNode(true), so in certain
   *                            cases the anchor needs to be
   *                            non-empty to be persisted in
   *                            templates.
   * @return {Comment|Text}
   */
  
  exports.createAnchor = function (content, persist) {
    var anchor = config.debug
      ? document.createComment(content)
      : document.createTextNode(persist ? ' ' : '')
    anchor.__vue_anchor = true
    return anchor
  }
  
  /**
   * Find a component ref attribute that starts with $.
   *
   * @param {Element} node
   * @return {String|undefined}
   */
  
  var refRE = /^v-ref:/
  exports.findRef = function (node) {
    if (node.hasAttributes()) {
      var attrs = node.attributes
      for (var i = 0, l = attrs.length; i < l; i++) {
        var name = attrs[i].name
        if (refRE.test(name)) {
          return _.camelize(name.replace(refRE, ''))
        }
      }
    }
  }
  
  /**
   * Map a function to a range of nodes .
   *
   * @param {Node} node
   * @param {Node} end
   * @param {Function} op
   */
  
  exports.mapNodeRange = function (node, end, op) {
    var next
    while (node !== end) {
      next = node.nextSibling
      op(node)
      node = next
    }
    op(end)
  }
  
  /**
   * Remove a range of nodes with transition, store
   * the nodes in a fragment with correct ordering,
   * and call callback when done.
   *
   * @param {Node} start
   * @param {Node} end
   * @param {Vue} vm
   * @param {DocumentFragment} frag
   * @param {Function} cb
   */
  
  exports.removeNodeRange = function (start, end, vm, frag, cb) {
    var done = false
    var removed = 0
    var nodes = []
    exports.mapNodeRange(start, end, function (node) {
      if (node === end) done = true
      nodes.push(node)
      transition.remove(node, vm, onRemoved)
    })
    function onRemoved () {
      removed++
      if (done && removed >= nodes.length) {
        for (var i = 0; i < nodes.length; i++) {
          frag.appendChild(nodes[i])
        }
        cb && cb()
      }
    }
  }
  
  }).call(this,require('_process'))
  },{"../config":13,"../transition":57,"./index":64,"_process":1}],63:[function(require,module,exports){
  // can we use __proto__?
  exports.hasProto = '__proto__' in {}
  
  // Browser environment sniffing
  var inBrowser = exports.inBrowser =
    typeof window !== 'undefined' &&
    Object.prototype.toString.call(window) !== '[object Object]'
  
  exports.isIE9 =
    inBrowser &&
    navigator.userAgent.toLowerCase().indexOf('msie 9.0') > 0
  
  exports.isAndroid =
    inBrowser &&
    navigator.userAgent.toLowerCase().indexOf('android') > 0
  
  // Transition property/event sniffing
  if (inBrowser && !exports.isIE9) {
    var isWebkitTrans =
      window.ontransitionend === undefined &&
      window.onwebkittransitionend !== undefined
    var isWebkitAnim =
      window.onanimationend === undefined &&
      window.onwebkitanimationend !== undefined
    exports.transitionProp = isWebkitTrans
      ? 'WebkitTransition'
      : 'transition'
    exports.transitionEndEvent = isWebkitTrans
      ? 'webkitTransitionEnd'
      : 'transitionend'
    exports.animationProp = isWebkitAnim
      ? 'WebkitAnimation'
      : 'animation'
    exports.animationEndEvent = isWebkitAnim
      ? 'webkitAnimationEnd'
      : 'animationend'
  }
  
  /**
   * Defer a task to execute it asynchronously. Ideally this
   * should be executed as a microtask, so we leverage
   * MutationObserver if it's available, and fallback to
   * setTimeout(0).
   *
   * @param {Function} cb
   * @param {Object} ctx
   */
  
  exports.nextTick = (function () {
    var callbacks = []
    var pending = false
    var timerFunc
    function nextTickHandler () {
      pending = false
      var copies = callbacks.slice(0)
      callbacks = []
      for (var i = 0; i < copies.length; i++) {
        copies[i]()
      }
    }
    /* istanbul ignore if */
    if (typeof MutationObserver !== 'undefined') {
      var counter = 1
      var observer = new MutationObserver(nextTickHandler)
      var textNode = document.createTextNode(counter)
      observer.observe(textNode, {
        characterData: true
      })
      timerFunc = function () {
        counter = (counter + 1) % 2
        textNode.data = counter
      }
    } else {
      timerFunc = setTimeout
    }
    return function (cb, ctx) {
      var func = ctx
        ? function () { cb.call(ctx) }
        : cb
      callbacks.push(func)
      if (pending) return
      pending = true
      timerFunc(nextTickHandler, 0)
    }
  })()
  
  },{}],64:[function(require,module,exports){
  var lang = require('./lang')
  var extend = lang.extend
  
  extend(exports, lang)
  extend(exports, require('./env'))
  extend(exports, require('./dom'))
  extend(exports, require('./options'))
  extend(exports, require('./component'))
  extend(exports, require('./debug'))
  
  },{"./component":60,"./debug":61,"./dom":62,"./env":63,"./lang":65,"./options":66}],65:[function(require,module,exports){
  /**
   * Set a property on an object. Adds the new property and
   * triggers change notification if the property doesn't
   * already exist.
   *
   * @param {Object} obj
   * @param {String} key
   * @param {*} val
   * @public
   */
  
  exports.set = function set (obj, key, val) {
    if (obj.hasOwnProperty(key)) {
      obj[key] = val
      return
    }
    if (obj._isVue) {
      set(obj._data, key, val)
      return
    }
    var ob = obj.__ob__
    if (!ob) {
      obj[key] = val
      return
    }
    ob.convert(key, val)
    ob.dep.notify()
    if (ob.vms) {
      var i = ob.vms.length
      while (i--) {
        var vm = ob.vms[i]
        vm._proxy(key)
        vm._digest()
      }
    }
  }
  
  /**
   * Delete a property and trigger change if necessary.
   *
   * @param {Object} obj
   * @param {String} key
   */
  
  exports.delete = function (obj, key) {
    if (!obj.hasOwnProperty(key)) {
      return
    }
    delete obj[key]
    var ob = obj.__ob__
    if (!ob) {
      return
    }
    ob.dep.notify()
    if (ob.vms) {
      var i = ob.vms.length
      while (i--) {
        var vm = ob.vms[i]
        vm._unproxy(key)
        vm._digest()
      }
    }
  }
  
  /**
   * Check if an expression is a literal value.
   *
   * @param {String} exp
   * @return {Boolean}
   */
  
  var literalValueRE = /^\s?(true|false|[\d\.]+|'[^']*'|"[^"]*")\s?$/
  exports.isLiteral = function (exp) {
    return literalValueRE.test(exp)
  }
  
  /**
   * Check if a string starts with $ or _
   *
   * @param {String} str
   * @return {Boolean}
   */
  
  exports.isReserved = function (str) {
    var c = (str + '').charCodeAt(0)
    return c === 0x24 || c === 0x5F
  }
  
  /**
   * Guard text output, make sure undefined outputs
   * empty string
   *
   * @param {*} value
   * @return {String}
   */
  
  exports.toString = function (value) {
    return value == null
      ? ''
      : value.toString()
  }
  
  /**
   * Check and convert possible numeric strings to numbers
   * before setting back to data
   *
   * @param {*} value
   * @return {*|Number}
   */
  
  exports.toNumber = function (value) {
    if (typeof value !== 'string') {
      return value
    } else {
      var parsed = Number(value)
      return isNaN(parsed)
        ? value
        : parsed
    }
  }
  
  /**
   * Convert string boolean literals into real booleans.
   *
   * @param {*} value
   * @return {*|Boolean}
   */
  
  exports.toBoolean = function (value) {
    return value === 'true'
      ? true
      : value === 'false'
        ? false
        : value
  }
  
  /**
   * Strip quotes from a string
   *
   * @param {String} str
   * @return {String | false}
   */
  
  exports.stripQuotes = function (str) {
    var a = str.charCodeAt(0)
    var b = str.charCodeAt(str.length - 1)
    return a === b && (a === 0x22 || a === 0x27)
      ? str.slice(1, -1)
      : str
  }
  
  /**
   * Camelize a hyphen-delmited string.
   *
   * @param {String} str
   * @return {String}
   */
  
  var camelizeRE = /-(\w)/g
  exports.camelize = function (str) {
    return str.replace(camelizeRE, toUpper)
  }
  
  function toUpper (_, c) {
    return c ? c.toUpperCase() : ''
  }
  
  /**
   * Hyphenate a camelCase string.
   *
   * @param {String} str
   * @return {String}
   */
  
  var hyphenateRE = /([a-z\d])([A-Z])/g
  exports.hyphenate = function (str) {
    return str
      .replace(hyphenateRE, '$1-$2')
      .toLowerCase()
  }
  
  /**
   * Converts hyphen/underscore/slash delimitered names into
   * camelized classNames.
   *
   * e.g. my-component => MyComponent
   *      some_else    => SomeElse
   *      some/comp    => SomeComp
   *
   * @param {String} str
   * @return {String}
   */
  
  var classifyRE = /(?:^|[-_\/])(\w)/g
  exports.classify = function (str) {
    return str.replace(classifyRE, toUpper)
  }
  
  /**
   * Simple bind, faster than native
   *
   * @param {Function} fn
   * @param {Object} ctx
   * @return {Function}
   */
  
  exports.bind = function (fn, ctx) {
    return function (a) {
      var l = arguments.length
      return l
        ? l > 1
          ? fn.apply(ctx, arguments)
          : fn.call(ctx, a)
        : fn.call(ctx)
    }
  }
  
  /**
   * Convert an Array-like object to a real Array.
   *
   * @param {Array-like} list
   * @param {Number} [start] - start index
   * @return {Array}
   */
  
  exports.toArray = function (list, start) {
    start = start || 0
    var i = list.length - start
    var ret = new Array(i)
    while (i--) {
      ret[i] = list[i + start]
    }
    return ret
  }
  
  /**
   * Mix properties into target object.
   *
   * @param {Object} to
   * @param {Object} from
   */
  
  exports.extend = function (to, from) {
    var keys = Object.keys(from)
    var i = keys.length
    while (i--) {
      to[keys[i]] = from[keys[i]]
    }
    return to
  }
  
  /**
   * Quick object check - this is primarily used to tell
   * Objects from primitive values when we know the value
   * is a JSON-compliant type.
   *
   * @param {*} obj
   * @return {Boolean}
   */
  
  exports.isObject = function (obj) {
    return obj !== null && typeof obj === 'object'
  }
  
  /**
   * Strict object type check. Only returns true
   * for plain JavaScript objects.
   *
   * @param {*} obj
   * @return {Boolean}
   */
  
  var toString = Object.prototype.toString
  var OBJECT_STRING = '[object Object]'
  exports.isPlainObject = function (obj) {
    return toString.call(obj) === OBJECT_STRING
  }
  
  /**
   * Array type check.
   *
   * @param {*} obj
   * @return {Boolean}
   */
  
  exports.isArray = Array.isArray
  
  /**
   * Define a non-enumerable property
   *
   * @param {Object} obj
   * @param {String} key
   * @param {*} val
   * @param {Boolean} [enumerable]
   */
  
  exports.define = function (obj, key, val, enumerable) {
    Object.defineProperty(obj, key, {
      value: val,
      enumerable: !!enumerable,
      writable: true,
      configurable: true
    })
  }
  
  /**
   * Debounce a function so it only gets called after the
   * input stops arriving after the given wait period.
   *
   * @param {Function} func
   * @param {Number} wait
   * @return {Function} - the debounced function
   */
  
  exports.debounce = function (func, wait) {
    var timeout, args, context, timestamp, result
    var later = function () {
      var last = Date.now() - timestamp
      if (last < wait && last >= 0) {
        timeout = setTimeout(later, wait - last)
      } else {
        timeout = null
        result = func.apply(context, args)
        if (!timeout) context = args = null
      }
    }
    return function () {
      context = this
      args = arguments
      timestamp = Date.now()
      if (!timeout) {
        timeout = setTimeout(later, wait)
      }
      return result
    }
  }
  
  /**
   * Manual indexOf because it's slightly faster than
   * native.
   *
   * @param {Array} arr
   * @param {*} obj
   */
  
  exports.indexOf = function (arr, obj) {
    var i = arr.length
    while (i--) {
      if (arr[i] === obj) return i
    }
    return -1
  }
  
  /**
   * Make a cancellable version of an async callback.
   *
   * @param {Function} fn
   * @return {Function}
   */
  
  exports.cancellable = function (fn) {
    var cb = function () {
      if (!cb.cancelled) {
        return fn.apply(this, arguments)
      }
    }
    cb.cancel = function () {
      cb.cancelled = true
    }
    return cb
  }
  
  /**
   * Check if two values are loosely equal - that is,
   * if they are plain objects, do they have the same shape?
   *
   * @param {*} a
   * @param {*} b
   * @return {Boolean}
   */
  
  exports.looseEqual = function (a, b) {
    /* eslint-disable eqeqeq */
    return a == b || (
      exports.isObject(a) && exports.isObject(b)
        ? JSON.stringify(a) === JSON.stringify(b)
        : false
    )
    /* eslint-enable eqeqeq */
  }
  
  },{}],66:[function(require,module,exports){
  (function (process){
  var _ = require('./index')
  var config = require('../config')
  var extend = _.extend
  
  /**
   * Option overwriting strategies are functions that handle
   * how to merge a parent option value and a child option
   * value into the final value.
   *
   * All strategy functions follow the same signature:
   *
   * @param {*} parentVal
   * @param {*} childVal
   * @param {Vue} [vm]
   */
  
  var strats = config.optionMergeStrategies = Object.create(null)
  
  /**
   * Helper that recursively merges two data objects together.
   */
  
  function mergeData (to, from) {
    var key, toVal, fromVal
    for (key in from) {
      toVal = to[key]
      fromVal = from[key]
      if (!to.hasOwnProperty(key)) {
        _.set(to, key, fromVal)
      } else if (_.isObject(toVal) && _.isObject(fromVal)) {
        mergeData(toVal, fromVal)
      }
    }
    return to
  }
  
  /**
   * Data
   */
  
  strats.data = function (parentVal, childVal, vm) {
    if (!vm) {
      // in a Vue.extend merge, both should be functions
      if (!childVal) {
        return parentVal
      }
      if (typeof childVal !== 'function') {
        process.env.NODE_ENV !== 'production' && _.warn(
          'The "data" option should be a function ' +
          'that returns a per-instance value in component ' +
          'definitions.'
        )
        return parentVal
      }
      if (!parentVal) {
        return childVal
      }
      // when parentVal & childVal are both present,
      // we need to return a function that returns the
      // merged result of both functions... no need to
      // check if parentVal is a function here because
      // it has to be a function to pass previous merges.
      return function mergedDataFn () {
        return mergeData(
          childVal.call(this),
          parentVal.call(this)
        )
      }
    } else if (parentVal || childVal) {
      return function mergedInstanceDataFn () {
        // instance merge
        var instanceData = typeof childVal === 'function'
          ? childVal.call(vm)
          : childVal
        var defaultData = typeof parentVal === 'function'
          ? parentVal.call(vm)
          : undefined
        if (instanceData) {
          return mergeData(instanceData, defaultData)
        } else {
          return defaultData
        }
      }
    }
  }
  
  /**
   * El
   */
  
  strats.el = function (parentVal, childVal, vm) {
    if (!vm && childVal && typeof childVal !== 'function') {
      process.env.NODE_ENV !== 'production' && _.warn(
        'The "el" option should be a function ' +
        'that returns a per-instance value in component ' +
        'definitions.'
      )
      return
    }
    var ret = childVal || parentVal
    // invoke the element factory if this is instance merge
    return vm && typeof ret === 'function'
      ? ret.call(vm)
      : ret
  }
  
  /**
   * Hooks and param attributes are merged as arrays.
   */
  
  strats.init =
  strats.created =
  strats.ready =
  strats.attached =
  strats.detached =
  strats.beforeCompile =
  strats.compiled =
  strats.beforeDestroy =
  strats.destroyed = function (parentVal, childVal) {
    return childVal
      ? parentVal
        ? parentVal.concat(childVal)
        : _.isArray(childVal)
          ? childVal
          : [childVal]
      : parentVal
  }
  
  /**
   * 0.11 deprecation warning
   */
  
  strats.paramAttributes = function () {
    /* istanbul ignore next */
    process.env.NODE_ENV !== 'production' && _.warn(
      '"paramAttributes" option has been deprecated in 0.12. ' +
      'Use "props" instead.'
    )
  }
  
  /**
   * Assets
   *
   * When a vm is present (instance creation), we need to do
   * a three-way merge between constructor options, instance
   * options and parent options.
   */
  
  function mergeAssets (parentVal, childVal) {
    var res = Object.create(parentVal)
    return childVal
      ? extend(res, guardArrayAssets(childVal))
      : res
  }
  
  config._assetTypes.forEach(function (type) {
    strats[type + 's'] = mergeAssets
  })
  
  /**
   * Events & Watchers.
   *
   * Events & watchers hashes should not overwrite one
   * another, so we merge them as arrays.
   */
  
  strats.watch =
  strats.events = function (parentVal, childVal) {
    if (!childVal) return parentVal
    if (!parentVal) return childVal
    var ret = {}
    extend(ret, parentVal)
    for (var key in childVal) {
      var parent = ret[key]
      var child = childVal[key]
      if (parent && !_.isArray(parent)) {
        parent = [parent]
      }
      ret[key] = parent
        ? parent.concat(child)
        : [child]
    }
    return ret
  }
  
  /**
   * Other object hashes.
   */
  
  strats.props =
  strats.methods =
  strats.computed = function (parentVal, childVal) {
    if (!childVal) return parentVal
    if (!parentVal) return childVal
    var ret = Object.create(null)
    extend(ret, parentVal)
    extend(ret, childVal)
    return ret
  }
  
  /**
   * Default strategy.
   */
  
  var defaultStrat = function (parentVal, childVal) {
    return childVal === undefined
      ? parentVal
      : childVal
  }
  
  /**
   * Make sure component options get converted to actual
   * constructors.
   *
   * @param {Object} options
   */
  
  function guardComponents (options) {
    if (options.components) {
      var components = options.components =
        guardArrayAssets(options.components)
      var def
      var ids = Object.keys(components)
      for (var i = 0, l = ids.length; i < l; i++) {
        var key = ids[i]
        if (_.commonTagRE.test(key)) {
          process.env.NODE_ENV !== 'production' && _.warn(
            'Do not use built-in HTML elements as component ' +
            'id: ' + key
          )
          continue
        }
        def = components[key]
        if (_.isPlainObject(def)) {
          components[key] = _.Vue.extend(def)
        }
      }
    }
  }
  
  /**
   * Ensure all props option syntax are normalized into the
   * Object-based format.
   *
   * @param {Object} options
   */
  
  function guardProps (options) {
    var props = options.props
    var i, val
    if (_.isArray(props)) {
      options.props = {}
      i = props.length
      while (i--) {
        val = props[i]
        if (typeof val === 'string') {
          options.props[val] = null
        } else if (val.name) {
          options.props[val.name] = val
        }
      }
    } else if (_.isPlainObject(props)) {
      var keys = Object.keys(props)
      i = keys.length
      while (i--) {
        val = props[keys[i]]
        if (typeof val === 'function') {
          props[keys[i]] = { type: val }
        }
      }
    }
  }
  
  /**
   * Guard an Array-format assets option and converted it
   * into the key-value Object format.
   *
   * @param {Object|Array} assets
   * @return {Object}
   */
  
  function guardArrayAssets (assets) {
    if (_.isArray(assets)) {
      var res = {}
      var i = assets.length
      var asset
      while (i--) {
        asset = assets[i]
        var id = typeof asset === 'function'
          ? ((asset.options && asset.options.name) || asset.id)
          : (asset.name || asset.id)
        if (!id) {
          process.env.NODE_ENV !== 'production' && _.warn(
            'Array-syntax assets must provide a "name" or "id" field.'
          )
        } else {
          res[id] = asset
        }
      }
      return res
    }
    return assets
  }
  
  /**
   * Merge two option objects into a new one.
   * Core utility used in both instantiation and inheritance.
   *
   * @param {Object} parent
   * @param {Object} child
   * @param {Vue} [vm] - if vm is present, indicates this is
   *                     an instantiation merge.
   */
  
  exports.mergeOptions = function merge (parent, child, vm) {
    guardComponents(child)
    guardProps(child)
    var options = {}
    var key
    if (child.mixins) {
      for (var i = 0, l = child.mixins.length; i < l; i++) {
        parent = merge(parent, child.mixins[i], vm)
      }
    }
    for (key in parent) {
      mergeField(key)
    }
    for (key in child) {
      if (!(parent.hasOwnProperty(key))) {
        mergeField(key)
      }
    }
    function mergeField (key) {
      var strat = strats[key] || defaultStrat
      options[key] = strat(parent[key], child[key], vm, key)
    }
    return options
  }
  
  /**
   * Resolve an asset.
   * This function is used because child instances need access
   * to assets defined in its ancestor chain.
   *
   * @param {Object} options
   * @param {String} type
   * @param {String} id
   * @return {Object|Function}
   */
  
  exports.resolveAsset = function resolve (options, type, id) {
    var assets = options[type]
    var camelizedId
    return assets[id] ||
      // camelCase ID
      assets[camelizedId = _.camelize(id)] ||
      // Pascal Case ID
      assets[camelizedId.charAt(0).toUpperCase() + camelizedId.slice(1)]
  }
  
  }).call(this,require('_process'))
  },{"../config":13,"./index":64,"_process":1}],67:[function(require,module,exports){
  (function (process){
  var _ = require('./util')
  var extend = _.extend
  
  /**
   * The exposed Vue constructor.
   *
   * API conventions:
   * - public API methods/properties are prefiexed with `$`
   * - internal methods/properties are prefixed with `_`
   * - non-prefixed properties are assumed to be proxied user
   *   data.
   *
   * @constructor
   * @param {Object} [options]
   * @public
   */
  
  function Vue (options) {
    this._init(options)
  }
  
  /**
   * Mixin global API
   */
  
  extend(Vue, require('./api/global'))
  
  /**
   * Vue and every constructor that extends Vue has an
   * associated options object, which can be accessed during
   * compilation steps as `this.constructor.options`.
   *
   * These can be seen as the default options of every
   * Vue instance.
   */
  
  Vue.options = {
    replace: true,
    directives: require('./directives/public'),
    elementDirectives: require('./directives/element'),
    filters: require('./filters'),
    transitions: {},
    components: {},
    partials: {}
  }
  
  /**
   * Build up the prototype
   */
  
  var p = Vue.prototype
  
  /**
   * $data has a setter which does a bunch of
   * teardown/setup work
   */
  
  Object.defineProperty(p, '$data', {
    get: function () {
      return this._data
    },
    set: function (newData) {
      if (newData !== this._data) {
        this._setData(newData)
      }
    }
  })
  
  /**
   * Mixin internal instance methods
   */
  
  extend(p, require('./instance/init'))
  extend(p, require('./instance/events'))
  extend(p, require('./instance/state'))
  extend(p, require('./instance/lifecycle'))
  extend(p, require('./instance/misc'))
  
  /**
   * Mixin public API methods
   */
  
  extend(p, require('./api/data'))
  extend(p, require('./api/dom'))
  extend(p, require('./api/events'))
  extend(p, require('./api/lifecycle'))
  
  Vue.version = '1.0.8'
  module.exports = _.Vue = Vue
  
  /* istanbul ignore if */
  if (process.env.NODE_ENV !== 'production') {
    if (_.inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__) {
      window.__VUE_DEVTOOLS_GLOBAL_HOOK__.emit('init', Vue)
    }
  }
  
  }).call(this,require('_process'))
  },{"./api/data":2,"./api/dom":3,"./api/events":4,"./api/global":5,"./api/lifecycle":6,"./directives/element":15,"./directives/public":30,"./filters":41,"./instance/events":44,"./instance/init":45,"./instance/lifecycle":46,"./instance/misc":47,"./instance/state":48,"./util":64,"_process":1}],68:[function(require,module,exports){
  (function (process){
  var _ = require('./util')
  var config = require('./config')
  var Dep = require('./observer/dep')
  var expParser = require('./parsers/expression')
  var batcher = require('./batcher')
  var uid = 0
  
  /**
   * A watcher parses an expression, collects dependencies,
   * and fires callback when the expression value changes.
   * This is used for both the $watch() api and directives.
   *
   * @param {Vue} vm
   * @param {String} expression
   * @param {Function} cb
   * @param {Object} options
   *                 - {Array} filters
   *                 - {Boolean} twoWay
   *                 - {Boolean} deep
   *                 - {Boolean} user
   *                 - {Boolean} sync
   *                 - {Boolean} lazy
   *                 - {Function} [preProcess]
   *                 - {Function} [postProcess]
   * @constructor
   */
  
  function Watcher (vm, expOrFn, cb, options) {
    // mix in options
    if (options) {
      _.extend(this, options)
    }
    var isFn = typeof expOrFn === 'function'
    this.vm = vm
    vm._watchers.push(this)
    this.expression = isFn ? expOrFn.toString() : expOrFn
    this.cb = cb
    this.id = ++uid // uid for batching
    this.active = true
    this.dirty = this.lazy // for lazy watchers
    this.deps = Object.create(null)
    this.newDeps = null
    this.prevError = null // for async error stacks
    // parse expression for getter/setter
    if (isFn) {
      this.getter = expOrFn
      this.setter = undefined
    } else {
      var res = expParser.parse(expOrFn, this.twoWay)
      this.getter = res.get
      this.setter = res.set
    }
    this.value = this.lazy
      ? undefined
      : this.get()
    // state for avoiding false triggers for deep and Array
    // watchers during vm._digest()
    this.queued = this.shallow = false
  }
  
  /**
   * Add a dependency to this directive.
   *
   * @param {Dep} dep
   */
  
  Watcher.prototype.addDep = function (dep) {
    var id = dep.id
    if (!this.newDeps[id]) {
      this.newDeps[id] = dep
      if (!this.deps[id]) {
        this.deps[id] = dep
        dep.addSub(this)
      }
    }
  }
  
  /**
   * Evaluate the getter, and re-collect dependencies.
   */
  
  Watcher.prototype.get = function () {
    this.beforeGet()
    var scope = this.scope || this.vm
    var value
    try {
      value = this.getter.call(scope, scope)
    } catch (e) {
      if (
        process.env.NODE_ENV !== 'production' &&
        config.warnExpressionErrors
      ) {
        _.warn(
          'Error when evaluating expression "' +
          this.expression + '". ' +
          (config.debug
            ? ''
            : 'Turn on debug mode to see stack trace.'
          ), e
        )
      }
    }
    // "touch" every property so they are all tracked as
    // dependencies for deep watching
    if (this.deep) {
      traverse(value)
    }
    if (this.preProcess) {
      value = this.preProcess(value)
    }
    if (this.filters) {
      value = scope._applyFilters(value, null, this.filters, false)
    }
    if (this.postProcess) {
      value = this.postProcess(value)
    }
    this.afterGet()
    return value
  }
  
  /**
   * Set the corresponding value with the setter.
   *
   * @param {*} value
   */
  
  Watcher.prototype.set = function (value) {
    var scope = this.scope || this.vm
    if (this.filters) {
      value = scope._applyFilters(
        value, this.value, this.filters, true)
    }
    try {
      this.setter.call(scope, scope, value)
    } catch (e) {
      if (
        process.env.NODE_ENV !== 'production' &&
        config.warnExpressionErrors
      ) {
        _.warn(
          'Error when evaluating setter "' +
          this.expression + '"', e
        )
      }
    }
    // two-way sync for v-for alias
    var forContext = scope.$forContext
    if (forContext && forContext.alias === this.expression) {
      if (forContext.filters) {
        process.env.NODE_ENV !== 'production' && _.warn(
          'It seems you are using two-way binding on ' +
          'a v-for alias (' + this.expression + '), and the ' +
          'v-for has filters. This will not work properly. ' +
          'Either remove the filters or use an array of ' +
          'objects and bind to object properties instead.'
        )
        return
      }
      forContext._withLock(function () {
        if (scope.$key) { // original is an object
          forContext.rawValue[scope.$key] = value
        } else {
          forContext.rawValue.$set(scope.$index, value)
        }
      })
    }
  }
  
  /**
   * Prepare for dependency collection.
   */
  
  Watcher.prototype.beforeGet = function () {
    Dep.target = this
    this.newDeps = Object.create(null)
  }
  
  /**
   * Clean up for dependency collection.
   */
  
  Watcher.prototype.afterGet = function () {
    Dep.target = null
    var ids = Object.keys(this.deps)
    var i = ids.length
    while (i--) {
      var id = ids[i]
      if (!this.newDeps[id]) {
        this.deps[id].removeSub(this)
      }
    }
    this.deps = this.newDeps
  }
  
  /**
   * Subscriber interface.
   * Will be called when a dependency changes.
   *
   * @param {Boolean} shallow
   */
  
  Watcher.prototype.update = function (shallow) {
    if (this.lazy) {
      this.dirty = true
    } else if (this.sync || !config.async) {
      this.run()
    } else {
      // if queued, only overwrite shallow with non-shallow,
      // but not the other way around.
      this.shallow = this.queued
        ? shallow
          ? this.shallow
          : false
        : !!shallow
      this.queued = true
      // record before-push error stack in debug mode
      /* istanbul ignore if */
      if (process.env.NODE_ENV !== 'production' && config.debug) {
        this.prevError = new Error('[vue] async stack trace')
      }
      batcher.push(this)
    }
  }
  
  /**
   * Batcher job interface.
   * Will be called by the batcher.
   */
  
  Watcher.prototype.run = function () {
    if (this.active) {
      var value = this.get()
      if (
        value !== this.value ||
        // Deep watchers and Array watchers should fire even
        // when the value is the same, because the value may
        // have mutated; but only do so if this is a
        // non-shallow update (caused by a vm digest).
        ((_.isArray(value) || this.deep) && !this.shallow)
      ) {
        // set new value
        var oldValue = this.value
        this.value = value
        // in debug + async mode, when a watcher callbacks
        // throws, we also throw the saved before-push error
        // so the full cross-tick stack trace is available.
        var prevError = this.prevError
        /* istanbul ignore if */
        if (process.env.NODE_ENV !== 'production' &&
            config.debug && prevError) {
          this.prevError = null
          try {
            this.cb.call(this.vm, value, oldValue)
          } catch (e) {
            _.nextTick(function () {
              throw prevError
            }, 0)
            throw e
          }
        } else {
          this.cb.call(this.vm, value, oldValue)
        }
      }
      this.queued = this.shallow = false
    }
  }
  
  /**
   * Evaluate the value of the watcher.
   * This only gets called for lazy watchers.
   */
  
  Watcher.prototype.evaluate = function () {
    // avoid overwriting another watcher that is being
    // collected.
    var current = Dep.target
    this.value = this.get()
    this.dirty = false
    Dep.target = current
  }
  
  /**
   * Depend on all deps collected by this watcher.
   */
  
  Watcher.prototype.depend = function () {
    var depIds = Object.keys(this.deps)
    var i = depIds.length
    while (i--) {
      this.deps[depIds[i]].depend()
    }
  }
  
  /**
   * Remove self from all dependencies' subcriber list.
   */
  
  Watcher.prototype.teardown = function () {
    if (this.active) {
      // remove self from vm's watcher list
      // we can skip this if the vm if being destroyed
      // which can improve teardown performance.
      if (!this.vm._isBeingDestroyed) {
        this.vm._watchers.$remove(this)
      }
      var depIds = Object.keys(this.deps)
      var i = depIds.length
      while (i--) {
        this.deps[depIds[i]].removeSub(this)
      }
      this.active = false
      this.vm = this.cb = this.value = null
    }
  }
  
  /**
   * Recrusively traverse an object to evoke all converted
   * getters, so that every nested property inside the object
   * is collected as a "deep" dependency.
   *
   * @param {*} val
   */
  
  function traverse (val) {
    var i, keys
    if (_.isArray(val)) {
      i = val.length
      while (i--) traverse(val[i])
    } else if (_.isObject(val)) {
      keys = Object.keys(val)
      i = keys.length
      while (i--) traverse(val[keys[i]])
    }
  }
  
  module.exports = Watcher
  
  }).call(this,require('_process'))
  },{"./batcher":7,"./config":13,"./observer/dep":50,"./parsers/expression":53,"./util":64,"_process":1}],69:[function(require,module,exports){
  /**
   * Created by max on 16/11/15.
   */
  'use strict';
  
  var Vue = require('vue');
  
  new Vue({
      el: '#app',
      data: {
          message: 'Hello Vue.js!!!'
      }
  });
  
  },{"vue":67}]},{},[69]);
  