vue-autocomplete/build.js

Autocomplete Components for Vue.js

(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){
module.exports = { "default": require("core-js/library/fn/json/stringify"), __esModule: true };
},{"core-js/library/fn/json/stringify":2}],2:[function(require,module,exports){
var core = require('../../modules/$.core');
module.exports = function stringify(it){ // eslint-disable-line no-unused-vars
  return (core.JSON && core.JSON.stringify || JSON.stringify).apply(JSON, arguments);
};
},{"../../modules/$.core":3}],3:[function(require,module,exports){
var core = module.exports = {version: '1.2.6'};
if(typeof __e == 'number')__e = core; // eslint-disable-line no-undef
},{}],4:[function(require,module,exports){
// shim for using process in browser
var process = module.exports = {};

// cached from whatever global is present so that test runners that stub it
// don't break things.  But we need to wrap it in a try catch in case it is
// wrapped in strict mode code which doesn't define any globals.  It's inside a
// function because try/catches deoptimize in certain engines.

var cachedSetTimeout;
var cachedClearTimeout;

function defaultSetTimout() {
    throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
    throw new Error('clearTimeout has not been defined');
}
(function () {
    try {
        if (typeof setTimeout === 'function') {
            cachedSetTimeout = setTimeout;
        } else {
            cachedSetTimeout = defaultSetTimout;
        }
    } catch (e) {
        cachedSetTimeout = defaultSetTimout;
    }
    try {
        if (typeof clearTimeout === 'function') {
            cachedClearTimeout = clearTimeout;
        } else {
            cachedClearTimeout = defaultClearTimeout;
        }
    } catch (e) {
        cachedClearTimeout = defaultClearTimeout;
    }
} ())
function runTimeout(fun) {
    if (cachedSetTimeout === setTimeout) {
        //normal enviroments in sane situations
        return setTimeout(fun, 0);
    }
    // if setTimeout wasn't available but was latter defined
    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
        cachedSetTimeout = setTimeout;
        return setTimeout(fun, 0);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedSetTimeout(fun, 0);
    } catch(e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
            return cachedSetTimeout.call(null, fun, 0);
        } catch(e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
            return cachedSetTimeout.call(this, fun, 0);
        }
    }


}
function runClearTimeout(marker) {
    if (cachedClearTimeout === clearTimeout) {
        //normal enviroments in sane situations
        return clearTimeout(marker);
    }
    // if clearTimeout wasn't available but was latter defined
    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
        cachedClearTimeout = clearTimeout;
        return clearTimeout(marker);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedClearTimeout(marker);
    } catch (e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
            return cachedClearTimeout.call(null, marker);
        } catch (e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
            return cachedClearTimeout.call(this, marker);
        }
    }



}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;

function cleanUpNextTick() {
    if (!draining || !currentQueue) {
        return;
    }
    draining = false;
    if (currentQueue.length) {
        queue = currentQueue.concat(queue);
    } else {
        queueIndex = -1;
    }
    if (queue.length) {
        drainQueue();
    }
}

function drainQueue() {
    if (draining) {
        return;
    }
    var timeout = runTimeout(cleanUpNextTick);
    draining = true;

    var len = queue.length;
    while(len) {
        currentQueue = queue;
        queue = [];
        while (++queueIndex < len) {
            if (currentQueue) {
                currentQueue[queueIndex].run();
            }
        }
        queueIndex = -1;
        len = queue.length;
    }
    currentQueue = null;
    draining = false;
    runClearTimeout(timeout);
}

process.nextTick = function (fun) {
    var args = new Array(arguments.length - 1);
    if (arguments.length > 1) {
        for (var i = 1; i < arguments.length; i++) {
            args[i - 1] = arguments[i];
        }
    }
    queue.push(new Item(fun, args));
    if (queue.length === 1 && !draining) {
        runTimeout(drainQueue);
    }
};

// v8 likes predictible objects
function Item(fun, array) {
    this.fun = fun;
    this.array = array;
}
Item.prototype.run = function () {
    this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;

process.binding = function (name) {
    throw new Error('process.binding is not supported');
};

process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };

},{}],5:[function(require,module,exports){
var Vue // late bind
var map = Object.create(null)
var shimmed = false
var isBrowserify = false

/**
 * Determine compatibility and apply patch.
 *
 * @param {Function} vue
 * @param {Boolean} browserify
 */

exports.install = function (vue, browserify) {
  if (shimmed) return
  shimmed = true

  Vue = vue
  isBrowserify = browserify

  exports.compatible = !!Vue.internalDirectives
  if (!exports.compatible) {
    console.warn(
      '[HMR] vue-loader hot reload is only compatible with ' +
      'Vue.js 1.0.0+.'
    )
    return
  }

  // patch view directive
  patchView(Vue.internalDirectives.component)
  console.log('[HMR] Vue component hot reload shim applied.')
  // shim router-view if present
  var routerView = Vue.elementDirective('router-view')
  if (routerView) {
    patchView(routerView)
    console.log('[HMR] vue-router <router-view> hot reload shim applied.')
  }
}

/**
 * Shim the view directive (component or router-view).
 *
 * @param {Object} View
 */

function patchView (View) {
  var unbuild = View.unbuild
  View.unbuild = function (defer) {
    if (!this.hotUpdating) {
      var prevComponent = this.childVM && this.childVM.constructor
      removeView(prevComponent, this)
      // defer = true means we are transitioning to a new
      // Component. Register this new component to the list.
      if (defer) {
        addView(this.Component, this)
      }
    }
    // call original
    return unbuild.call(this, defer)
  }
}

/**
 * Add a component view to a Component's hot list
 *
 * @param {Function} Component
 * @param {Directive} view - view directive instance
 */

function addView (Component, view) {
  var id = Component && Component.options.hotID
  if (id) {
    if (!map[id]) {
      map[id] = {
        Component: Component,
        views: [],
        instances: []
      }
    }
    map[id].views.push(view)
  }
}

/**
 * Remove a component view from a Component's hot list
 *
 * @param {Function} Component
 * @param {Directive} view - view directive instance
 */

function removeView (Component, view) {
  var id = Component && Component.options.hotID
  if (id) {
    map[id].views.$remove(view)
  }
}

/**
 * Create a record for a hot module, which keeps track of its construcotr,
 * instnaces and views (component directives or router-views).
 *
 * @param {String} id
 * @param {Object} options
 */

exports.createRecord = function (id, options) {
  if (typeof options === 'function') {
    options = options.options
  }
  if (typeof options.el !== 'string' && typeof options.data !== 'object') {
    makeOptionsHot(id, options)
    map[id] = {
      Component: null,
      views: [],
      instances: []
    }
  }
}

/**
 * Make a Component options object hot.
 *
 * @param {String} id
 * @param {Object} options
 */

function makeOptionsHot (id, options) {
  options.hotID = id
  injectHook(options, 'created', function () {
    var record = map[id]
    if (!record.Component) {
      record.Component = this.constructor
    }
    record.instances.push(this)
  })
  injectHook(options, 'beforeDestroy', function () {
    map[id].instances.$remove(this)
  })
}

/**
 * Inject a hook to a hot reloadable component so that
 * we can keep track of it.
 *
 * @param {Object} options
 * @param {String} name
 * @param {Function} hook
 */

function injectHook (options, name, hook) {
  var existing = options[name]
  options[name] = existing
    ? Array.isArray(existing)
      ? existing.concat(hook)
      : [existing, hook]
    : [hook]
}

/**
 * Update a hot component.
 *
 * @param {String} id
 * @param {Object|null} newOptions
 * @param {String|null} newTemplate
 */

exports.update = function (id, newOptions, newTemplate) {
  var record = map[id]
  // force full-reload if an instance of the component is active but is not
  // managed by a view
  if (!record || (record.instances.length && !record.views.length)) {
    console.log('[HMR] Root or manually-mounted instance modified. Full reload may be required.')
    if (!isBrowserify) {
      window.location.reload()
    } else {
      // browserify-hmr somehow sends incomplete bundle if we reload here
      return
    }
  }
  if (!isBrowserify) {
    // browserify-hmr already logs this
    console.log('[HMR] Updating component: ' + format(id))
  }
  var Component = record.Component
  // update constructor
  if (newOptions) {
    // in case the user exports a constructor
    Component = record.Component = typeof newOptions === 'function'
      ? newOptions
      : Vue.extend(newOptions)
    makeOptionsHot(id, Component.options)
  }
  if (newTemplate) {
    Component.options.template = newTemplate
  }
  // handle recursive lookup
  if (Component.options.name) {
    Component.options.components[Component.options.name] = Component
  }
  // reset constructor cached linker
  Component.linker = null
  // reload all views
  record.views.forEach(function (view) {
    updateView(view, Component)
  })
  // flush devtools
  if (window.__VUE_DEVTOOLS_GLOBAL_HOOK__) {
    window.__VUE_DEVTOOLS_GLOBAL_HOOK__.emit('flush')
  }
}

/**
 * Update a component view instance
 *
 * @param {Directive} view
 * @param {Function} Component
 */

function updateView (view, Component) {
  if (!view._bound) {
    return
  }
  view.Component = Component
  view.hotUpdating = true
  // disable transitions
  view.vm._isCompiled = false
  // save state
  var state = extractState(view.childVM)
  // remount, make sure to disable keep-alive
  var keepAlive = view.keepAlive
  view.keepAlive = false
  view.mountComponent()
  view.keepAlive = keepAlive
  // restore state
  restoreState(view.childVM, state, true)
  // re-eanble transitions
  view.vm._isCompiled = true
  view.hotUpdating = false
}

/**
 * Extract state from a Vue instance.
 *
 * @param {Vue} vm
 * @return {Object}
 */

function extractState (vm) {
  return {
    cid: vm.constructor.cid,
    data: vm.$data,
    children: vm.$children.map(extractState)
  }
}

/**
 * Restore state to a reloaded Vue instance.
 *
 * @param {Vue} vm
 * @param {Object} state
 */

function restoreState (vm, state, isRoot) {
  var oldAsyncConfig
  if (isRoot) {
    // set Vue into sync mode during state rehydration
    oldAsyncConfig = Vue.config.async
    Vue.config.async = false
  }
  // actual restore
  if (isRoot || !vm._props) {
    vm.$data = state.data
  } else {
    Object.keys(state.data).forEach(function (key) {
      if (!vm._props[key]) {
        // for non-root, only restore non-props fields
        vm.$data[key] = state.data[key]
      }
    })
  }
  // verify child consistency
  var hasSameChildren = vm.$children.every(function (c, i) {
    return state.children[i] && state.children[i].cid === c.constructor.cid
  })
  if (hasSameChildren) {
    // rehydrate children
    vm.$children.forEach(function (c, i) {
      restoreState(c, state.children[i])
    })
  }
  if (isRoot) {
    Vue.config.async = oldAsyncConfig
  }
}

function format (id) {
  var match = id.match(/[^\/]+\.vue$/)
  return match ? match[0] : id
}

},{}],6:[function(require,module,exports){
(function (process){
/*!
 * Vue.js v1.0.28
 * (c) 2016 Evan You
 * Released under the MIT License.
 */
'use strict';

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

var hyphenateRE = /([^-])([A-Z])/g;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

var isArray = Array.isArray;

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

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

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

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

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

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

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

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

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

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

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

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

// detect devtools
var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;

// UA sniffing for working around browser-specific quirks
var UA = inBrowser && window.navigator.userAgent.toLowerCase();
var isIE = UA && UA.indexOf('trident') > 0;
var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
var isAndroid = UA && UA.indexOf('android') > 0;
var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);

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

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

/* istanbul ignore next */
function isNative(Ctor) {
  return (/native code/.test(Ctor.toString())
  );
}

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

var nextTick = (function () {
  var callbacks = [];
  var pending = false;
  var timerFunc = undefined;

  function nextTickHandler() {
    pending = false;
    var copies = callbacks.slice(0);
    callbacks.length = 0;
    for (var i = 0; i < copies.length; i++) {
      copies[i]();
    }
  }

  // the nextTick behavior leverages the microtask queue, which can be accessed
  // via either native Promise.then or MutationObserver.
  // MutationObserver has wider support, however it is seriously bugged in
  // UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
  // completely stops working after triggering a few times... so, if native
  // Promise is available, we will use it:
  /* istanbul ignore if */
  if (typeof Promise !== 'undefined' && isNative(Promise)) {
    var p = Promise.resolve();
    var noop = function noop() {};
    timerFunc = function () {
      p.then(nextTickHandler);
      // in problematic UIWebViews, Promise.then doesn't completely break, but
      // it can get stuck in a weird state where callbacks are pushed into the
      // microtask queue but the queue isn't being flushed, until the browser
      // needs to do some other work, e.g. handle a timer. Therefore we can
      // "force" the microtask queue to be flushed by adding an empty timer.
      if (isIOS) setTimeout(noop);
    };
  } else if (typeof MutationObserver !== 'undefined') {
    // use MutationObserver where native Promise is not available,
    // e.g. IE11, iOS7, Android 4.4
    var counter = 1;
    var observer = new MutationObserver(nextTickHandler);
    var textNode = document.createTextNode(String(counter));
    observer.observe(textNode, {
      characterData: true
    });
    timerFunc = function () {
      counter = (counter + 1) % 2;
      textNode.data = String(counter);
    };
  } else {
    // fallback to setTimeout
    /* istanbul ignore next */
    timerFunc = setTimeout;
  }

  return function (cb, ctx) {
    var func = ctx ? function () {
      cb.call(ctx);
    } : cb;
    callbacks.push(func);
    if (pending) return;
    pending = true;
    timerFunc(nextTickHandler, 0);
  };
})();

var _Set = undefined;
/* istanbul ignore if */
if (typeof Set !== 'undefined' && isNative(Set)) {
  // use native Set when available.
  _Set = Set;
} else {
  // a non-standard Set polyfill that only works with primitive keys.
  _Set = function () {
    this.set = Object.create(null);
  };
  _Set.prototype.has = function (key) {
    return this.set[key] !== undefined;
  };
  _Set.prototype.add = function (key) {
    this.set[key] = 1;
  };
  _Set.prototype.clear = function () {
    this.set = Object.create(null);
  };
}

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

var p = Cache.prototype;

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

p.put = function (key, value) {
  var removed;

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

  return removed;
};

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

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

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

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

var cache$1 = new Cache(1000);
var reservedArgRE = /^in$|^-?\d+/;

/**
 * Parser state
 */

var str;
var dir;
var len;
var index;
var chr;
var state;
var startState = 0;
var filterState = 1;
var filterNameState = 2;
var filterArgState = 3;

var doubleChr = 0x22;
var singleChr = 0x27;
var pipeChr = 0x7C;
var escapeChr = 0x5C;
var spaceChr = 0x20;

var expStartChr = { 0x5B: 1, 0x7B: 1, 0x28: 1 };
var expChrPair = { 0x5B: 0x5D, 0x7B: 0x7D, 0x28: 0x29 };

function peek() {
  return str.charCodeAt(index + 1);
}

function next() {
  return str.charCodeAt(++index);
}

function eof() {
  return index >= len;
}

function eatSpace() {
  while (peek() === spaceChr) {
    next();
  }
}

function isStringStart(chr) {
  return chr === doubleChr || chr === singleChr;
}

function isExpStart(chr) {
  return expStartChr[chr];
}

function isExpEnd(start, chr) {
  return expChrPair[start] === chr;
}

function parseString() {
  var stringQuote = next();
  var chr;
  while (!eof()) {
    chr = next();
    // escape char
    if (chr === escapeChr) {
      next();
    } else if (chr === stringQuote) {
      break;
    }
  }
}

function parseSpecialExp(chr) {
  var inExp = 0;
  var startChr = chr;

  while (!eof()) {
    chr = peek();
    if (isStringStart(chr)) {
      parseString();
      continue;
    }

    if (startChr === chr) {
      inExp++;
    }
    if (isExpEnd(startChr, chr)) {
      inExp--;
    }

    next();

    if (inExp === 0) {
      break;
    }
  }
}

/**
 * syntax:
 * expression | filterName  [arg  arg [| filterName arg arg]]
 */

function parseExpression() {
  var start = index;
  while (!eof()) {
    chr = peek();
    if (isStringStart(chr)) {
      parseString();
    } else if (isExpStart(chr)) {
      parseSpecialExp(chr);
    } else if (chr === pipeChr) {
      next();
      chr = peek();
      if (chr === pipeChr) {
        next();
      } else {
        if (state === startState || state === filterArgState) {
          state = filterState;
        }
        break;
      }
    } else if (chr === spaceChr && (state === filterNameState || state === filterArgState)) {
      eatSpace();
      break;
    } else {
      if (state === filterState) {
        state = filterNameState;
      }
      next();
    }
  }

  return str.slice(start + 1, index) || null;
}

function parseFilterList() {
  var filters = [];
  while (!eof()) {
    filters.push(parseFilter());
  }
  return filters;
}

function parseFilter() {
  var filter = {};
  var args;

  state = filterState;
  filter.name = parseExpression().trim();

  state = filterArgState;
  args = parseFilterArguments();

  if (args.length) {
    filter.args = args;
  }
  return filter;
}

function parseFilterArguments() {
  var args = [];
  while (!eof() && state !== filterState) {
    var arg = parseExpression();
    if (!arg) {
      break;
    }
    args.push(processFilterArg(arg));
  }

  return args;
}

/**
 * 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} s
 * @return {Object}
 */

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

  // reset parser state
  str = s;
  dir = {};
  len = str.length;
  index = -1;
  chr = '';
  state = startState;

  var filters;

  if (str.indexOf('|') < 0) {
    dir.expression = str.trim();
  } else {
    dir.expression = parseExpression().trim();
    filters = parseFilterList();
    if (filters.length) {
      dir.filters = filters;
    }
  }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

var config = Object.defineProperties({

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

  debug: false,

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

  silent: false,

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

  async: true,

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

  warnExpressionErrors: true,

  /**
   * Whether to allow devtools inspection.
   * Disabled by default in production builds.
   */

  devtools: process.env.NODE_ENV !== 'production',

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

  _delimitersChanged: true,

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

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

  /**
   * prop binding modes
   */

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

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

  _maxUpdateCount: 100

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

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

var warn = undefined;
var formatComponentName = undefined;

if (process.env.NODE_ENV !== 'production') {
  (function () {
    var hasConsole = typeof console !== 'undefined';

    warn = function (msg, vm) {
      if (hasConsole && !config.silent) {
        console.error('[Vue warn]: ' + msg + (vm ? formatComponentName(vm) : ''));
      }
    };

    formatComponentName = function (vm) {
      var name = vm._isVue ? vm.$options.name : vm.name;
      return name ? ' (found in component: <' + hyphenate(name) + '>)' : '';
    };
  })();
}

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

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

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

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

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

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

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

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

var transition = Object.freeze({
  appendWithTransition: appendWithTransition,
  beforeWithTransition: beforeWithTransition,
  removeWithTransition: removeWithTransition,
  applyTransition: applyTransition
});

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

/**
 * For IE9 compat: when both class and :class are present
 * getAttribute('class') returns wrong value...
 *
 * @param {Element} el
 * @return {String}
 */

function getClass(el) {
  var classname = el.className;
  if (typeof classname === 'object') {
    classname = classname.baseVal || '';
  }
  return classname;
}

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

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

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

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

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

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

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

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

/**
 * Trim possible empty head/tail text and comment
 * nodes inside a parent.
 *
 * @param {Node} node
 */

function trimNode(node) {
  var child;
  /* eslint-disable no-sequences */
  while ((child = node.firstChild, isTrimmable(child))) {
    node.removeChild(child);
  }
  while ((child = node.lastChild, isTrimmable(child))) {
    node.removeChild(child);
  }
  /* eslint-enable no-sequences */
}

function isTrimmable(node) {
  return node && (node.nodeType === 3 && !node.data.trim() || node.nodeType === 8);
}

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

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

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

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

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

var refRE = /^v-ref:/;

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

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

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

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

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

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

function isFragment(node) {
  return node && node.nodeType === 11;
}

/**
 * Get outerHTML of elements, taking care
 * of SVG elements in IE as well.
 *
 * @param {Element} el
 * @return {String}
 */

function getOuterHTML(el) {
  if (el.outerHTML) {
    return el.outerHTML;
  } else {
    var container = document.createElement('div');
    container.appendChild(el.cloneNode(true));
    return container.innerHTML;
  }
}

var commonTagRE = /^(div|p|span|img|a|b|i|br|ul|ol|li|h1|h2|h3|h4|h5|h6|code|pre|table|th|td|tr|form|label|input|select|option|nav|article|section|header|footer)$/i;
var reservedTagRE = /^(slot|partial|component)$/i;

var isUnknownElement = undefined;
if (process.env.NODE_ENV !== 'production') {
  isUnknownElement = function (el, tag) {
    if (tag.indexOf('-') > -1) {
      // http://stackoverflow.com/a/28210364/1070244
      return el.constructor === window.HTMLUnknownElement || el.constructor === window.HTMLElement;
    } else {
      return (/HTMLUnknownElement/.test(el.toString()) &&
        // Chrome returns unknown for several HTML5 elements.
        // https://code.google.com/p/chromium/issues/detail?id=540526
        // Firefox returns unknown for some "Interactive elements."
        !/^(data|time|rtc|rb|details|dialog|summary)$/.test(tag)
      );
    }
  };
}

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

function checkComponentAttr(el, options) {
  var tag = el.tagName.toLowerCase();
  var hasAttrs = el.hasAttributes();
  if (!commonTagRE.test(tag) && !reservedTagRE.test(tag)) {
    if (resolveAsset(options, 'components', tag)) {
      return { id: tag };
    } else {
      var is = hasAttrs && getIsBinding(el, options);
      if (is) {
        return is;
      } else if (process.env.NODE_ENV !== 'production') {
        var expectedTag = options._componentNameMap && options._componentNameMap[tag];
        if (expectedTag) {
          warn('Unknown custom element: <' + tag + '> - ' + 'did you mean <' + expectedTag + '>? ' + 'HTML is case-insensitive, remember to use kebab-case in templates.');
        } else