vue.js1026版本

/*!
 *转载自https://v1-cn.vuejs.org/js/vue.js
 * Vue.js v1.0.26 * (c) 2016 Evan You
 * Released under the MIT License.
 */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define(factory) :
  (global.Vue = factory());
}(this, function () { 'use strict';

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

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

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

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

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

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

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

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

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

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

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

  function bind(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)/i.test(UA);
  var iosVersionMatch = isIos && UA.match(/os ([\d_]+)/);
  var iosVersion = iosVersionMatch && iosVersionMatch[1].split('_');

  // detecting iOS UIWebView by indexedDB
  var hasMutationObserverBug = iosVersion && Number(iosVersion[0]) >= 9 && Number(iosVersion[1]) >= 3 && !window.indexedDB;

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

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

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

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

    /* istanbul ignore if */
    if (typeof MutationObserver !== 'undefined' && !hasMutationObserverBug) {
      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 {
      // webpack attempts to inject a shim for setImmediate
      // if it is used as a global, so we have to work around that to
      // avoid bundling unnecessary code.
      var context = inBrowser ? window : typeof global !== 'undefined' ? global : {};
      timerFunc = context.setImmediate || 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' && Set.toString().match(/native code/)) {
    // 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  into the cache associated with .
   * 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 . Returns the value
   * associated with  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    E
    if (entry.newer) {
      if (entry === this.head) {
        this.head = entry.newer;
      }
      entry.newer.older = entry.older; // C <-- E.
    }
    if (entry.older) {
      entry.older.newer = entry.newer; // C. --> E
    }
    entry.newer = undefined; // D --x
    entry.older = this.tail; // D. --> E
    if (this.tail) {
      this.tail.newer = entry; // E. <-- D
    }
    this.tail = entry;
    return returnEntry ? entry : entry.value;
  };

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

  /**
   * Parser state
   */

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

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

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

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

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

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

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

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

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

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

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

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

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

  function compileRegex() {
    var open = escapeRegex(config.delimiters[0]);
    var close = escapeRegex(config.delimiters[1]);
    var unsafeOpen = escapeRegex(config.unsafeDelimiters[0]);
    var unsafeClose = escapeRegex(config.unsafeDelimiters[1]);
    tagRE = new RegExp(unsafeOpen + '((?:.|\\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