QuillJS - Link Target Compiled

/*! Quill Editor v0.19.14
 *  https://quilljs.com/
 *  Copyright (c) 2014, Jason Chen
 *  Copyright (c) 2013, salesforce.com
 */
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Quill = f()}})(function(){var define,module,exports;return (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(_dereq_,module,exports){
(function (global){
/**
 * @license
 * lodash 3.9.3 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern include="difference,intersection,last,all,each,find,invoke,map,reduce,bind,defer,partial,clone,extend,defaults,omit,values,isElement,isEqual,isFunction,isNumber,isObject,isString,uniqueId" --development --output .build/lodash.js`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */
;(function() {

  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
  var undefined;

  /** Used as the semantic version number. */
  var VERSION = '3.9.3';

  /** Used to compose bitmasks for wrapper metadata. */
  var BIND_FLAG = 1,
      BIND_KEY_FLAG = 2,
      CURRY_BOUND_FLAG = 4,
      CURRY_FLAG = 8,
      CURRY_RIGHT_FLAG = 16,
      PARTIAL_FLAG = 32,
      PARTIAL_RIGHT_FLAG = 64,
      ARY_FLAG = 128,
      REARG_FLAG = 256;

  /** Used to detect when a function becomes hot. */
  var HOT_COUNT = 150,
      HOT_SPAN = 16;

  /** Used as the `TypeError` message for "Functions" methods. */
  var FUNC_ERROR_TEXT = 'Expected a function';

  /** Used as the internal argument placeholder. */
  var PLACEHOLDER = '__lodash_placeholder__';

  /** `Object#toString` result references. */
  var argsTag = '[object Arguments]',
      arrayTag = '[object Array]',
      boolTag = '[object Boolean]',
      dateTag = '[object Date]',
      errorTag = '[object Error]',
      funcTag = '[object Function]',
      mapTag = '[object Map]',
      numberTag = '[object Number]',
      objectTag = '[object Object]',
      regexpTag = '[object RegExp]',
      setTag = '[object Set]',
      stringTag = '[object String]',
      weakMapTag = '[object WeakMap]';

  var arrayBufferTag = '[object ArrayBuffer]',
      float32Tag = '[object Float32Array]',
      float64Tag = '[object Float64Array]',
      int8Tag = '[object Int8Array]',
      int16Tag = '[object Int16Array]',
      int32Tag = '[object Int32Array]',
      uint8Tag = '[object Uint8Array]',
      uint8ClampedTag = '[object Uint8ClampedArray]',
      uint16Tag = '[object Uint16Array]',
      uint32Tag = '[object Uint32Array]';

  /** Used to match property names within property paths. */
  var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\n\\]|\\.)*?\1)\]/,
      reIsPlainProp = /^\w*$/,
      rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\n\\]|\\.)*?)\2)\]/g;

  /**
   * Used to match `RegExp` [special characters](http://www.regular-expressions.info/characters.html#special).
   * In addition to special characters the forward slash is escaped to allow for
   * easier `eval` use and `Function` compilation.
   */
  var reRegExpChars = /[.*+?^${}()|[\]\/\\]/g,
      reHasRegExpChars = RegExp(reRegExpChars.source);

  /** Used to match backslashes in property paths. */
  var reEscapeChar = /\\(\\)?/g;

  /** Used to match `RegExp` flags from their coerced string values. */
  var reFlags = /\w*$/;

  /** Used to detect host constructors (Safari > 5). */
  var reIsHostCtor = /^\[object .+?Constructor\]$/;

  /** Used to detect unsigned integer values. */
  var reIsUint = /^\d+$/;

  /** Used to identify `toStringTag` values of typed arrays. */
  var typedArrayTags = {};
  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
  typedArrayTags[uint32Tag] = true;
  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
  typedArrayTags[dateTag] = typedArrayTags[errorTag] =
  typedArrayTags[funcTag] = typedArrayTags[mapTag] =
  typedArrayTags[numberTag] = typedArrayTags[objectTag] =
  typedArrayTags[regexpTag] = typedArrayTags[setTag] =
  typedArrayTags[stringTag] = typedArrayTags[weakMapTag] = false;

  /** Used to identify `toStringTag` values supported by `_.clone`. */
  var cloneableTags = {};
  cloneableTags[argsTag] = cloneableTags[arrayTag] =
  cloneableTags[arrayBufferTag] = cloneableTags[boolTag] =
  cloneableTags[dateTag] = cloneableTags[float32Tag] =
  cloneableTags[float64Tag] = cloneableTags[int8Tag] =
  cloneableTags[int16Tag] = cloneableTags[int32Tag] =
  cloneableTags[numberTag] = cloneableTags[objectTag] =
  cloneableTags[regexpTag] = cloneableTags[stringTag] =
  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
  cloneableTags[errorTag] = cloneableTags[funcTag] =
  cloneableTags[mapTag] = cloneableTags[setTag] =
  cloneableTags[weakMapTag] = false;

  /** Used to determine if values are of the language type `Object`. */
  var objectTypes = {
    'function': true,
    'object': true
  };

  /** Detect free variable `exports`. */
  var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;

  /** Detect free variable `module`. */
  var freeModule = objectTypes[typeof module] && module && !module.nodeType && module;

  /** Detect free variable `global` from Node.js. */
  var freeGlobal = freeExports && freeModule && typeof global == 'object' && global && global.Object && global;

  /** Detect free variable `self`. */
  var freeSelf = objectTypes[typeof self] && self && self.Object && self;

  /** Detect free variable `window`. */
  var freeWindow = objectTypes[typeof window] && window && window.Object && window;

  /** Detect the popular CommonJS extension `module.exports`. */
  var moduleExports = freeModule && freeModule.exports === freeExports && freeExports;

  /**
   * Used as a reference to the global object.
   *
   * The `this` value is used if it's the global object to avoid Greasemonkey's
   * restricted `window` object, otherwise the `window` object is used.
   */
  var root = freeGlobal || ((freeWindow !== (this && this.window)) && freeWindow) || freeSelf || this;

  /*--------------------------------------------------------------------------*/

  /**
   * The base implementation of `_.findIndex` and `_.findLastIndex` without
   * support for callback shorthands and `this` binding.
   *
   * @private
   * @param {Array} array The array to search.
   * @param {Function} predicate The function invoked per iteration.
   * @param {boolean} [fromRight] Specify iterating from right to left.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function baseFindIndex(array, predicate, fromRight) {
    var length = array.length,
        index = fromRight ? length : -1;

    while ((fromRight ? index-- : ++index < length)) {
      if (predicate(array[index], index, array)) {
        return index;
      }
    }
    return -1;
  }

  /**
   * The base implementation of `_.indexOf` without support for binary searches.
   *
   * @private
   * @param {Array} array The array to search.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function baseIndexOf(array, value, fromIndex) {
    if (value !== value) {
      return indexOfNaN(array, fromIndex);
    }
    var index = fromIndex - 1,
        length = array.length;

    while (++index < length) {
      if (array[index] === value) {
        return index;
      }
    }
    return -1;
  }

  /**
   * The base implementation of `_.isFunction` without support for environments
   * with incorrect `typeof` results.
   *
   * @private
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
   */
  function baseIsFunction(value) {
    // Avoid a Chakra JIT bug in compatibility modes of IE 11.
    // See https://github.com/jashkenas/underscore/issues/1621 for more details.
    return typeof value == 'function' || false;
  }

  /**
   * Converts `value` to a string if it's not one. An empty string is returned
   * for `null` or `undefined` values.
   *
   * @private
   * @param {*} value The value to process.
   * @returns {string} Returns the string.
   */
  function baseToString(value) {
    if (typeof value == 'string') {
      return value;
    }
    return value == null ? '' : (value + '');
  }

  /**
   * Gets the index at which the first occurrence of `NaN` is found in `array`.
   *
   * @private
   * @param {Array} array The array to search.
   * @param {number} fromIndex The index to search from.
   * @param {boolean} [fromRight] Specify iterating from right to left.
   * @returns {number} Returns the index of the matched `NaN`, else `-1`.
   */
  function indexOfNaN(array, fromIndex, fromRight) {
    var length = array.length,
        index = fromIndex + (fromRight ? 0 : -1);

    while ((fromRight ? index-- : ++index < length)) {
      var other = array[index];
      if (other !== other) {
        return index;
      }
    }
    return -1;
  }

  /**
   * Checks if `value` is object-like.
   *
   * @private
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
   */
  function isObjectLike(value) {
    return !!value && typeof value == 'object';
  }

  /**
   * Replaces all `placeholder` elements in `array` with an internal placeholder
   * and returns an array of their indexes.
   *
   * @private
   * @param {Array} array The array to modify.
   * @param {*} placeholder The placeholder to replace.
   * @returns {Array} Returns the new array of placeholder indexes.
   */
  function replaceHolders(array, placeholder) {
    var index = -1,
        length = array.length,
        resIndex = -1,
        result = [];

    while (++index < length) {
      if (array[index] === placeholder) {
        array[index] = PLACEHOLDER;
        result[++resIndex] = index;
      }
    }
    return result;
  }

  /*--------------------------------------------------------------------------*/

  /** Used for native method references. */
  var objectProto = Object.prototype;

  /** Used to detect DOM support. */
  var document = (document = root.window) ? document.document : null;

  /** Used to resolve the decompiled source of functions. */
  var fnToString = Function.prototype.toString;

  /** Used to check objects for own properties. */
  var hasOwnProperty = objectProto.hasOwnProperty;

  /** Used to generate unique IDs. */
  var idCounter = 0;

  /**
   * Used to resolve the [`toStringTag`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.prototype.tostring)
   * of values.
   */
  var objToString = objectProto.toString;

  /** Used to detect if a method is native. */
  var reIsNative = RegExp('^' +
    escapeRegExp(fnToString.call(hasOwnProperty))
    .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
  );

  /** Native method references. */
  var ArrayBuffer = getNative(root, 'ArrayBuffer'),
      bufferSlice = getNative(ArrayBuffer && new ArrayBuffer(0), 'slice'),
      floor = Math.floor,
      getPrototypeOf = getNative(Object, 'getPrototypeOf'),
      Set = getNative(root, 'Set'),
      Uint8Array = getNative(root, 'Uint8Array'),
      WeakMap = getNative(root, 'WeakMap');

  /** Used to clone array buffers. */
  var Float64Array = (function() {
    // Safari 5 errors when using an array buffer to initialize a typed array
    // where the array buffer's `byteLength` is not a multiple of the typed
    // array's `BYTES_PER_ELEMENT`.
    try {
      var func = getNative(root, 'Float64Array'),
          result = new func(new ArrayBuffer(10), 0, 1) && func;
    } catch(e) {}
    return result || null;
  }());

  /* Native method references for those with the same name as other `lodash` methods. */
  var nativeCreate = getNative(Object, 'create'),
      nativeIsArray = getNative(Array, 'isArray'),
      nativeKeys = getNative(Object, 'keys'),
      nativeMax = Math.max,
      nativeMin = Math.min,
      nativeNow = getNative(Date, 'now');

  /** Used as references for `-Infinity` and `Infinity`. */
  var POSITIVE_INFINITY = Number.POSITIVE_INFINITY;

  /** Used as references for the maximum length and index of an array. */
  var MAX_ARRAY_LENGTH = 4294967295,
      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,
      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;

  /** Used as the size, in bytes, of each `Float64Array` element. */
  var FLOAT64_BYTES_PER_ELEMENT = Float64Array ? Float64Array.BYTES_PER_ELEMENT : 0;

  /**
   * Used as the [maximum length](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-number.max_safe_integer)
   * of an array-like value.
   */
  var MAX_SAFE_INTEGER = 9007199254740991;

  /** Used to store function metadata. */
  var metaMap = WeakMap && new WeakMap;

  /** Used to lookup unminified function names. */
  var realNames = {};

  /*------------------------------------------------------------------------*/

  /**
   * Creates a `lodash` object which wraps `value` to enable implicit chaining.
   * Methods that operate on and return arrays, collections, and functions can
   * be chained together. Methods that return a boolean or single value will
   * automatically end the chain returning the unwrapped value. Explicit chaining
   * may be enabled using `_.chain`. The execution of chained methods is lazy,
   * that is, execution is deferred until `_#value` is implicitly or explicitly
   * called.
   *
   * Lazy evaluation allows several methods to support shortcut fusion. Shortcut
   * fusion is an optimization that merges iteratees to avoid creating intermediate
   * arrays and reduce the number of iteratee executions.
   *
   * Chaining is supported in custom builds as long as the `_#value` method is
   * directly or indirectly included in the build.
   *
   * In addition to lodash methods, wrappers have `Array` and `String` methods.
   *
   * The wrapper `Array` methods are:
   * `concat`, `join`, `pop`, `push`, `reverse`, `shift`, `slice`, `sort`,
   * `splice`, and `unshift`
   *
   * The wrapper `String` methods are:
   * `replace` and `split`
   *
   * The wrapper methods that support shortcut fusion are:
   * `compact`, `drop`, `dropRight`, `dropRightWhile`, `dropWhile`, `filter`,
   * `first`, `initial`, `last`, `map`, `pluck`, `reject`, `rest`, `reverse`,
   * `slice`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, `toArray`,
   * and `where`
   *
   * The chainable wrapper methods are:
   * `after`, `ary`, `assign`, `at`, `before`, `bind`, `bindAll`, `bindKey`,
   * `callback`, `chain`, `chunk`, `commit`, `compact`, `concat`, `constant`,
   * `countBy`, `create`, `curry`, `debounce`, `defaults`, `defer`, `delay`,
   * `difference`, `drop`, `dropRight`, `dropRightWhile`, `dropWhile`, `fill`,
   * `filter`, `flatten`, `flattenDeep`, `flow`, `flowRight`, `forEach`,
   * `forEachRight`, `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `functions`,
   * `groupBy`, `indexBy`, `initial`, `intersection`, `invert`, `invoke`, `keys`,
   * `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,
   * `memoize`, `merge`, `method`, `methodOf`, `mixin`, `negate`, `omit`, `once`,
   * `pairs`, `partial`, `partialRight`, `partition`, `pick`, `plant`, `pluck`,
   * `property`, `propertyOf`, `pull`, `pullAt`, `push`, `range`, `rearg`,
   * `reject`, `remove`, `rest`, `restParam`, `reverse`, `set`, `shuffle`,
   * `slice`, `sort`, `sortBy`, `sortByAll`, `sortByOrder`, `splice`, `spread`,
   * `take`, `takeRight`, `takeRightWhile`, `takeWhile`, `tap`, `throttle`,
   * `thru`, `times`, `toArray`, `toPlainObject`, `transform`, `union`, `uniq`,
   * `unshift`, `unzip`, `unzipWith`, `values`, `valuesIn`, `where`, `without`,
   * `wrap`, `xor`, `zip`, `zipObject`, `zipWith`
   *
   * The wrapper methods that are **not** chainable by default are:
   * `add`, `attempt`, `camelCase`, `capitalize`, `clone`, `cloneDeep`, `deburr`,
   * `endsWith`, `escape`, `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`,
   * `findLast`, `findLastIndex`, `findLastKey`, `findWhere`, `first`, `get`,
   * `gt`, `gte`, `has`, `identity`, `includes`, `indexOf`, `inRange`, `isArguments`,
   * `isArray`, `isBoolean`, `isDate`, `isElement`, `isEmpty`, `isEqual`, `isError`,
   * `isFinite` `isFunction`, `isMatch`, `isNative`, `isNaN`, `isNull`, `isNumber`,
   * `isObject`, `isPlainObject`, `isRegExp`, `isString`, `isUndefined`,
   * `isTypedArray`, `join`, `kebabCase`, `last`, `lastIndexOf`, `lt`, `lte`,
   * `max`, `min`, `noConflict`, `noop`, `now`, `pad`, `padLeft`, `padRight`,
   * `parseInt`, `pop`, `random`, `reduce`, `reduceRight`, `repeat`, `result`,
   * `runInContext`, `shift`, `size`, `snakeCase`, `some`, `sortedIndex`,
   * `sortedLastIndex`, `startCase`, `startsWith`, `sum`, `template`, `trim`,
   * `trimLeft`, `trimRight`, `trunc`, `unescape`, `uniqueId`, `value`, and `words`
   *
   * The wrapper method `sample` will return a wrapped value when `n` is provided,
   * otherwise an unwrapped value is returned.
   *
   * @name _
   * @constructor
   * @category Chain
   * @param {*} value The value to wrap in a `lodash` instance.
   * @returns {Object} Returns the new `lodash` wrapper instance.
   * @example
   *
   * var wrapped = _([1, 2, 3]);
   *
   * // returns an unwrapped value
   * wrapped.reduce(function(total, n) {
   *   return total + n;
   * });
   * // => 6
   *
   * // returns a wrapped value
   * var squares = wrapped.map(function(n) {
   *   return n * n;
   * });
   *
   * _.isArray(squares);
   * // => false
   *
   * _.isArray(squares.value());
   * // => true
   */
  function lodash() {
    // No operation performed.
  }

  /**
   * The function whose prototype all chaining wrappers inherit from.
   *
   * @private
   */
  function baseLodash() {
    // No operation performed.
  }

  /**
   * An object environment feature flags.
   *
   * @static
   * @memberOf _
   * @type Object
   */
  var support = lodash.support = {};

  (function(x) {
    var Ctor = function() { this.x = x; },
        object = { '0': x, 'length': x },
        props = [];

    Ctor.prototype = { 'valueOf': x, 'y': x };
    for (var key in new Ctor) { props.push(key); }

    /**
     * Detect if the DOM is supported.
     *
     * @memberOf _.support
     * @type boolean
     */
    try {
      support.dom = document.createDocumentFragment().nodeType === 11;
    } catch(e) {
      support.dom = false;
    }
  }(1, 0));

  /*------------------------------------------------------------------------*/

  /**
   * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
   *
   * @private
   * @param {*} value The value to wrap.
   */
  function LazyWrapper(value) {
    this.__wrapped__ = value;
    this.__actions__ = null;
    this.__dir__ = 1;
    this.__dropCount__ = 0;
    this.__filtered__ = false;
    this.__iteratees__ = null;
    this.__takeCount__ = POSITIVE_INFINITY;
    this.__views__ = null;
  }

  /*------------------------------------------------------------------------*/

  /**
   *
   * Creates a cache object to store unique values.
   *
   * @private
   * @param {Array} [values] The values to cache.
   */
  function SetCache(values) {
    var length = values ? values.length : 0;

    this.data = { 'hash': nativeCreate(null), 'set': new Set };
    while (length--) {
      this.push(values[length]);
    }
  }

  /**
   * Checks if `value` is in `cache` mimicking the return signature of
   * `_.indexOf` by returning `0` if the value is found, else `-1`.
   *
   * @private
   * @param {Object} cache The cache to search.
   * @param {*} value The value to search for.
   * @returns {number} Returns `0` if `value` is found, else `-1`.
   */
  function cacheIndexOf(cache, value) {
    var data = cache.data,
        result = (typeof value == 'string' || isObject(value)) ? data.set.has(value) : data.hash[value];

    return result ? 0 : -1;
  }

  /**
   * Adds `value` to the cache.
   *
   * @private
   * @name push
   * @memberOf SetCache
   * @param {*} value The value to cache.
   */
  function cachePush(value) {
    var data = this.data;
    if (typeof value == 'string' || isObject(value)) {
      data.set.add(value);
    } else {
      data.hash[value] = true;
    }
  }

  /*------------------------------------------------------------------------*/

  /**
   * Copies the values of `source` to `array`.
   *
   * @private
   * @param {Array} source The array to copy values from.
   * @param {Array} [array=[]] The array to copy values to.
   * @returns {Array} Returns `array`.
   */
  function arrayCopy(source, array) {
    var index = -1,
        length = source.length;

    array || (array = Array(length));
    while (++index < length) {
      array[index] = source[index];
    }
    return array;
  }

  /**
   * A specialized version of `_.forEach` for arrays without support for callback
   * shorthands and `this` binding.
   *
   * @private
   * @param {Array} array The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns `array`.
   */
  function arrayEach(array, iteratee) {
    var index = -1,
        length = array.length;

    while (++index < length) {
      if (iteratee(array[index], index, array) === false) {
        break;
      }
    }
    return array;
  }

  /**
   * A specialized version of `_.every` for arrays without support for callback
   * shorthands and `this` binding.
   *
   * @private
   * @param {Array} array The array to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {boolean} Returns `true` if all elements pass the predicate check,
   *  else `false`.
   */
  function arrayEvery(array, predicate) {
    var index = -1,
        length = array.length;

    while (++index < length) {
      if (!predicate(array[index], index, array)) {
        return false;
      }
    }
    return true;
  }

  /**
   * A specialized version of `_.map` for arrays without support for callback
   * shorthands and `this` binding.
   *
   * @private
   * @param {Array} array The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns the new mapped array.
   */
  function arrayMap(array, iteratee) {
    var index = -1,
        length = array.length,
        result = Array(length);

    while (++index < length) {
      result[index] = iteratee(array[index], index, array);
    }
    return result;
  }

  /**
   * A specialized version of `_.reduce` for arrays without support for callback
   * shorthands and `this` binding.
   *
   * @private
   * @param {Array} array The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {*} [accumulator] The initial value.
   * @param {boolean} [initFromArray] Specify using the first element of `array`
   *  as the initial value.
   * @returns {*} Returns the accumulated value.
   */
  function arrayReduce(array, iteratee, accumulator, initFromArray) {
    var index = -1,
        length = array.length;

    if (initFromArray && length) {
      accumulator = array[++index];
    }
    while (++index < length) {
      accumulator = iteratee(accumulator, array[index], index, array);
    }
    return accumulator;
  }

  /**
   * A specialized version of `_.some` for arrays without support for callback
   * shorthands and `this` binding.
   *
   * @private
   * @param {Array} array The array to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {boolean} Returns `true` if any element passes the predicate check,
   *  else `false`.
   */
  function arraySome(array, predicate) {
    var index = -1,
        length = array.length;

    while (++index < length) {
      if (predicate(array[index], index, array)) {
        return true;
      }
    }
    return false;
  }

  /**
   * Used by `_.defaults` to customize its `_.assign` use.
   *
   * @private
   * @param {*} objectValue The destination object property value.
   * @param {*} sourceValue The source object property value.
   * @returns {*} Returns the value to assign to the destination object.
   */
  function assignDefaults(objectValue, sourceValue) {
    return objectValue === undefined ? sourceValue : objectValue;
  }

  /**
   * A specialized version of `_.assign` for customizing assigned values without
   * support for argument juggling, multiple sources, and `this` binding `customizer`
   * functions.
   *
   * @private
   * @param {Object} object The destination object.
   * @param {Object} source The source object.
   * @param {Function} customizer The function to customize assigned values.
   * @returns {Object} Returns `object`.
   */
  function assignWith(object, source, customizer) {
    var index = -1,
        props = keys(source),
        length = props.length;

    while (++index < length) {
      var key = props[index],
          value = object[key],
          result = customizer(value, source[key], key, object, source);

      if ((result === result ? (result !== value) : (value === value)) ||
          (value === undefined && !(key in object))) {
        object[key] = result;
      }
    }
    return object;
  }

  /**
   * The base implementation of `_.assign` without support for argument juggling,
   * multiple sources, and `customizer` functions.
   *
   * @private
   * @param {Object} object The destination object.
   * @param {Object} source The source object.
   * @returns {Object} Returns `object`.
   */
  function baseAssign(object, source) {
    return source == null
      ? object
      : baseCopy(source, keys(source), object);
  }

  /**
   * Copies properties of `source` to `object`.
   *
   * @private
   * @param {Object} source The object to copy properties from.
   * @param {Array} props The property names to copy.
   * @param {Object} [object={}] The object to copy properties to.
   * @returns {Object} Returns `object`.
   */
  function baseCopy(source, props, object) {
    object || (object = {});

    var index = -1,
        length = props.length;

    while (++index < length) {
      var key = props[index];
      object[key] = source[key];
    }
    return object;
  }

  /**
   * The base implementation of `_.callback` which supports specifying the
   * number of arguments to provide to `func`.
   *
   * @private
   * @param {*} [func=_.identity] The value to convert to a callback.
   * @param {*} [thisArg] The `this` binding of `func`.
   * @param {number} [argCount] The number of arguments to provide to `func`.
   * @returns {Function} Returns the callback.
   */
  function baseCallback(func, thisArg, argCount) {
    var type = typeof func;
    if (type == 'function') {
      return thisArg === undefined
        ? func
        : bindCallback(func, thisArg, argCount);
    }
    if (func == null) {
      return identity;
    }
    if (type == 'object') {
      return baseMatches(func);
    }
    return thisArg === undefined
      ? property(func)
      : baseMatchesProperty(func, thisArg);
  }

  /**
   * The base implementation of `_.clone` without support for argument juggling
   * and `this` binding `customizer` functions.
   *
   * @private
   * @param {*} value The value to clone.
   * @param {boolean} [isDeep] Specify a deep clone.
   * @param {Function} [customizer] The function to customize cloning values.
   * @param {string} [key] The key of `value`.
   * @param {Object} [object] The object `value` belongs to.
   * @param {Array} [stackA=[]] Tracks traversed source objects.
   * @param {Array} [stackB=[]] Associates clones with source counterparts.
   * @returns {*} Returns the cloned value.
   */
  function baseClone(value, isDeep, customizer, key, object, stackA, stackB) {
    var result;
    if (customizer) {
      result = object ? customizer(value, key, object) : customizer(value);
    }
    if (result !== undefined) {
      return result;
    }
    if (!isObject(value)) {
      return value;
    }
    var isArr = isArray(value);
    if (isArr) {
      result = initCloneArray(value);
      if (!isDeep) {
        return arrayCopy(value, result);
      }
    } else {
      var tag = objToString.call(value),
          isFunc = tag == funcTag;

      if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
        result = initCloneObject(isFunc ? {} : value);
        if (!isDeep) {
          return baseAssign(result, value);
        }
      } else {
        return cloneableTags[tag]
          ? initCloneByTag(value, tag, isDeep)
          : (object ? value : {});
      }
    }
    // Check for circular references and return corresponding clone.
    stackA || (stackA = []);
    stackB || (stackB = []);

    var length = stackA.length;
    while (length--) {
      if (stackA[length] == value) {
        return stackB[length];
      }
    }
    // Add the source value to the stack of traversed objects and associate it with its clone.
    stackA.push(value);
    stackB.push(result);

    // Recursively populate clone (susceptible to call stack limits).
    (isArr ? arrayEach : baseForOwn)(value, function(subValue, key) {
      result[key] = baseClone(subValue, isDeep, customizer, key, value, stackA, stackB);
    });
    return result;
  }

  /**
   * The base implementation of `_.create` without support for assigning
   * properties to the created object.
   *
   * @private
   * @param {Object} prototype The object to inherit from.
   * @returns {Object} Returns the new object.
   */
  var baseCreate = (function() {
    function object() {}
    return function(prototype) {
      if (isObject(prototype)) {
        object.prototype = prototype;
        var result = new object;
        object.prototype = null;
      }
      return result || {};
    };
  }());

  /**
   * The base implementation of `_.delay` and `_.defer` which accepts an index
   * of where to slice the arguments to provide to `func`.
   *
   * @private
   * @param {Function} func The function to delay.
   * @param {number} wait The number of milliseconds to delay invocation.
   * @param {Object} args The arguments provide to `func`.
   * @returns {number} Returns the timer id.
   */
  function baseDelay(func, wait, args) {
    if (typeof func != 'function') {
      throw new TypeError(FUNC_ERROR_TEXT);
    }
    return setTimeout(function() { func.apply(undefined, args); }, wait);
  }

  /**
   * The base implementation of `_.difference` which accepts a single array
   * of values to exclude.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {Array} values The values to exclude.
   * @returns {Array} Returns the new array of filtered values.
   */
  function baseDifference(array, values) {
    var length = array ? array.length : 0,
        result = [];

    if (!length) {
      return result;
    }
    var index = -1,
        indexOf = getIndexOf(),
        isCommon = indexOf == baseIndexOf,
        cache = (isCommon && values.length >= 200) ? createCache(values) : null,
        valuesLength = values.length;

    if (cache) {
      indexOf = cacheIndexOf;
      isCommon = false;
      values = cache;
    }
    outer:
    while (++index < length) {
      var value = array[index];

      if (isCommon && value === value) {
        var valuesIndex = valuesLength;
        while (valuesIndex--) {
          if (values[valuesIndex] === value) {
            continue outer;
          }
        }
        result.push(value);
      }
      else if (indexOf(values, value, 0) < 0) {
        result.push(value);
      }
    }
    return result;
  }

  /**
   * The base implementation of `_.forEach` without support for callback
   * shorthands and `this` binding.
   *
   * @private
   * @param {Array|Object|string} collection The collection to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array|Object|string} Returns `collection`.
   */
  var baseEach = createBaseEach(baseForOwn);

  /**
   * The base implementation of `_.every` without support for callback
   * shorthands and `this` binding.
   *
   * @private
   * @param {Array|Object|string} collection The collection to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {boolean} Returns `true` if all elements pass the predicate check,
   *  else `false`
   */
  function baseEvery(collection, predicate) {
    var result = true;
    baseEach(collection, function(value, index, collection) {
      result = !!predicate(value, index, collection);
      return result;
    });
    return result;
  }

  /**
   * The base implementation of `_.find`, `_.findLast`, `_.findKey`, and `_.findLastKey`,
   * without support for callback shorthands and `this` binding, which iterates
   * over `collection` using the provided `eachFunc`.
   *
   * @private
   * @param {Array|Object|string} collection The collection to search.
   * @param {Function} predicate The function invoked per iteration.
   * @param {Function} eachFunc The function to iterate over `collection`.
   * @param {boolean} [retKey] Specify returning the key of the found element
   *  instead of the element itself.
   * @returns {*} Returns the found element or its key, else `undefined`.
   */
  function baseFind(collection, predicate, eachFunc, retKey) {
    var result;
    eachFunc(collection, function(value, key, collection) {
      if (predicate(value, key, collection)) {
        result = retKey ? key : value;
        return false;
      }
    });
    return result;
  }

  /**
   * The base implementation of `_.flatten` with added support for restricting
   * flattening and specifying the start index.
   *
   * @private
   * @param {Array} array The array to flatten.
   * @param {boolean} [isDeep] Specify a deep flatten.
   * @param {boolean} [isStrict] Restrict flattening to arrays-like objects.
   * @returns {Array} Returns the new flattened array.
   */
  function baseFlatten(array, isDeep, isStrict) {
    var index = -1,
        length = array.length,
        resIndex = -1,
        result = [];

    while (++index < length) {
      var value = array[index];
      if (isObjectLike(value) && isArrayLike(value) &&
          (isStrict || isArray(value) || isArguments(value))) {
        if (isDeep) {
          // Recursively flatten arrays (susceptible to call stack limits).
          value = baseFlatten(value, isDeep, isStrict);
        }
        var valIndex = -1,
            valLength = value.length;

        while (++valIndex < valLength) {
          result[++resIndex] = value[valIndex];
        }
      } else if (!isStrict) {
        result[++resIndex] = value;
      }
    }
    return result;
  }

  /**
   * The base implementation of `baseForIn` and `baseForOwn` which iterates
   * over `object` properties returned by `keysFunc` invoking `iteratee` for
   * each property. Iteratee functions may exit iteration early by explicitly
   * returning `false`.
   *
   * @private
   * @param {Object} object The object to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {Function} keysFunc The function to get the keys of `object`.
   * @returns {Object} Returns `object`.
   */
  var baseFor = createBaseFor();

  /**
   * The base implementation of `_.forIn` without support for callback
   * shorthands and `this` binding.
   *
   * @private
   * @param {Object} object The object to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Object} Returns `object`.
   */
  function baseForIn(object, iteratee) {
    return baseFor(object, iteratee, keysIn);
  }

  /**
   * The base implementation of `_.forOwn` without support for callback
   * shorthands and `this` binding.
   *
   * @private
   * @param {Object} object The object to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Object} Returns `object`.
   */
  function baseForOwn(object, iteratee) {
    return baseFor(object, iteratee, keys);
  }

  /**
   * The base implementation of `get` without support for string paths
   * and default values.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array} path The path of the property to get.
   * @param {string} [pathKey] The key representation of path.
   * @returns {*} Returns the resolved value.
   */
  function baseGet(object, path, pathKey) {
    if (object == null) {
      return;
    }
    if (pathKey !== undefined && pathKey in toObject(object)) {
      path = [pathKey];
    }
    var index = 0,
        length = path.length;

    while (object != null && index < length) {
      object = object[path[index++]];
    }
    return (index && index == length) ? object : undefined;
  }

  /**
   * The base implementation of `_.isEqual` without support for `this` binding
   * `customizer` functions.
   *
   * @private
   * @param {*} value The value to compare.
   * @param {*} other The other value to compare.
   * @param {Function} [customizer] The function to customize comparing values.
   * @param {boolean} [isLoose] Specify performing partial comparisons.
   * @param {Array} [stackA] Tracks traversed `value` objects.
   * @param {Array} [stackB] Tracks traversed `other` objects.
   * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
   */
  function baseIsEqual(value, other, customizer, isLoose, stackA, stackB) {
    if (value === other) {
      return true;
    }
    if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {
      return value !== value && other !== other;
    }
    return baseIsEqualDeep(value, other, baseIsEqual, customizer, isLoose, stackA, stackB);
  }

  /**
   * A specialized version of `baseIsEqual` for arrays and objects which performs
   * deep comparisons and tracks traversed objects enabling objects with circular
   * references to be compared.
   *
   * @private
   * @param {Object} object The object to compare.
   * @param {Object} other The other object to compare.
   * @param {Function} equalFunc The function to determine equivalents of values.
   * @param {Function} [customizer] The function to customize comparing objects.
   * @param {boolean} [isLoose] Specify performing partial comparisons.
   * @param {Array} [stackA=[]] Tracks traversed `value` objects.
   * @param {Array} [stackB=[]] Tracks traversed `other` objects.
   * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
   */
  function baseIsEqualDeep(object, other, equalFunc, customizer, isLoose, stackA, stackB) {
    var objIsArr = isArray(object),
        othIsArr = isArray(other),
        objTag = arrayTag,
        othTag = arrayTag;

    if (!objIsArr) {
      objTag = objToString.call(object);
      if (objTag == argsTag) {
        objTag = objectTag;
      } else if (objTag != objectTag) {
        objIsArr = isTypedArray(object);
      }
    }
    if (!othIsArr) {
      othTag = objToString.call(other);
      if (othTag == argsTag) {
        othTag = objectTag;
      } else if (othTag != objectTag) {
        othIsArr = isTypedArray(other);
      }
    }
    var objIsObj = objTag == objectTag,
        othIsObj = othTag == objectTag,
        isSameTag = objTag == othTag;

    if (isSameTag && !(objIsArr || objIsObj)) {
      return equalByTag(object, other, objTag);
    }
    if (!isLoose) {
      var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
          othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');

      if (objIsWrapped || othIsWrapped) {
        return equalFunc(objIsWrapped ? object.value() : object, othIsWrapped ? other.value() : other, customizer, isLoose, stackA, stackB);
      }
    }
    if (!isSameTag) {
      return false;
    }
    // Assume cyclic values are equal.
    // For more information on detecting circular references see https://es5.github.io/#JO.
    stackA || (stackA = []);
    stackB || (stackB = []);

    var length = stackA.length;
    while (length--) {
      if (stackA[length] == object) {
        return stackB[length] == other;
      }
    }
    // Add `object` and `other` to the stack of traversed objects.
    stackA.push(object);
    stackB.push(other);

    var result = (objIsArr ? equalArrays : equalObjects)(object, other, equalFunc, customizer, isLoose, stackA, stackB);

    stackA.pop();
    stackB.pop();

    return result;
  }

  /**
   * The base implementation of `_.isMatch` without support for callback
   * shorthands and `this` binding.
   *
   * @private
   * @param {Object} object The object to inspect.
   * @param {Array} matchData The propery names, values, and compare flags to match.
   * @param {Function} [customizer] The function to customize comparing objects.
   * @returns {boolean} Returns `true` if `object` is a match, else `false`.
   */
  function baseIsMatch(object, matchData, customizer) {
    var index = matchData.length,
        length = index,
        noCustomizer = !customizer;

    if (object == null) {
      return !length;
    }
    object = toObject(object);
    while (index--) {
      var data = matchData[index];
      if ((noCustomizer && data[2])
            ? data[1] !== object[data[0]]
            : !(data[0] in object)
          ) {
        return false;
      }
    }
    while (++index < length) {
      data = matchData[index];
      var key = data[0],
          objValue = object[key],
          srcValue = data[1];

      if (noCustomizer && data[2]) {
        if (objValue === undefined && !(key in object)) {
          return false;
        }
      } else {
        var result = customizer ? customizer(objValue, srcValue, key) : undefined;
        if (!(result === undefined ? baseIsEqual(srcValue, objValue, customizer, true) : result)) {
          return false;
        }
      }
    }
    return true;
  }

  /**
   * The base implementation of `_.map` without support for callback shorthands
   * and `this` binding.
   *
   * @private
   * @param {Array|Object|string} collection The collection to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns the new mapped array.
   */
  function baseMap(collection, iteratee) {
    var index = -1,
        result = isArrayLike(collection) ? Array(collection.length) : [];

    baseEach(collection, function(value, key, collection) {
      result[++index] = iteratee(value, key, collection);
    });
    return result;
  }

  /**
   * The base implementation of `_.matches` which does not clone `source`.
   *
   * @private
   * @param {Object} source The object of property values to match.
   * @returns {Function} Returns the new function.
   */
  function baseMatches(source) {
    var matchData = getMatchData(source);
    if (matchData.length == 1 && matchData[0][2]) {
      var key = matchData[0][0],
          value = matchData[0][1];

      return function(object) {
        if (object == null) {
          return false;
        }
        return object[key] === value && (value !== undefined || (key in toObject(object)));
      };
    }
    return function(object) {
      return baseIsMatch(object, matchData);
    };
  }

  /**
   * The base implementation of `_.matchesProperty` which does not clone `srcValue`.
   *
   * @private
   * @param {string} path The path of the property to get.
   * @param {*} srcValue The value to compare.
   * @returns {Function} Returns the new function.
   */
  function baseMatchesProperty(path, srcValue) {
    var isArr = isArray(path),
        isCommon = isKey(path) && isStrictComparable(srcValue),
        pathKey = (path + '');

    path = toPath(path);
    return function(object) {
      if (object == null) {
        return false;
      }
      var key = pathKey;
      object = toObject(object);
      if ((isArr || !isCommon) && !(key in object)) {
        object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));
        if (object == null) {
          return false;
        }
        key = last(path);
        object = toObject(object);
      }
      return object[key] === srcValue
        ? (srcValue !== undefined || (key in object))
        : baseIsEqual(srcValue, object[key], undefined, true);
    };
  }

  /**
   * The base implementation of `_.property` without support for deep paths.
   *
   * @private
   * @param {string} key The key of the property to get.
   * @returns {Function} Returns the new function.
   */
  function baseProperty(key) {
    return function(object) {
      return object == null ? undefined : object[key];
    };
  }

  /**
   * A specialized version of `baseProperty` which supports deep paths.
   *
   * @private
   * @param {Array|string} path The path of the property to get.
   * @returns {Function} Returns the new function.
   */
  function basePropertyDeep(path) {
    var pathKey = (path + '');
    path = toPath(path);
    return function(object) {
      return baseGet(object, path, pathKey);
    };
  }

  /**
   * The base implementation of `_.reduce` and `_.reduceRight` without support
   * for callback shorthands and `this` binding, which iterates over `collection`
   * using the provided `eachFunc`.
   *
   * @private
   * @param {Array|Object|string} collection The collection to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {*} accumulator The initial value.
   * @param {boolean} initFromCollection Specify using the first or last element
   *  of `collection` as the initial value.
   * @param {Function} eachFunc The function to iterate over `collection`.
   * @returns {*} Returns the accumulated value.
   */
  function baseReduce(collection, iteratee, accumulator, initFromCollection, eachFunc) {
    eachFunc(collection, function(value, index, collection) {
      accumulator = initFromCollection
        ? (initFromCollection = false, value)
        : iteratee(accumulator, value, index, collection);
    });
    return accumulator;
  }

  /**
   * The base implementation of `setData` without support for hot loop detection.
   *
   * @private
   * @param {Function} func The function to associate metadata with.
   * @param {*} data The metadata.
   * @returns {Function} Returns `func`.
   */
  var baseSetData = !metaMap ? identity : function(func, data) {
    metaMap.set(func, data);
    return func;
  };

  /**
   * The base implementation of `_.slice` without an iteratee call guard.
   *
   * @private
   * @param {Array} array The array to slice.
   * @param {number} [start=0] The start position.
   * @param {number} [end=array.length] The end position.
   * @returns {Array} Returns the slice of `array`.
   */
  function baseSlice(array, start, end) {
    var index = -1,
        length = array.length;

    start = start == null ? 0 : (+start || 0);
    if (start < 0) {
      start = -start > length ? 0 : (length + start);
    }
    end = (end === undefined || end > length) ? length : (+end || 0);
    if (end < 0) {
      end += length;
    }
    length = start > end ? 0 : ((end - start) >>> 0);
    start >>>= 0;

    var result = Array(length);
    while (++index < length) {
      result[index] = array[index + start];
    }
    return result;
  }

  /**
   * The base implementation of `_.values` and `_.valuesIn` which creates an
   * array of `object` property values corresponding to the property names
   * of `props`.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array} props The property names to get values for.
   * @returns {Object} Returns the array of property values.
   */
  function baseValues(object, props) {
    var index = -1,
        length = props.length,
        result = Array(length);

    while (++index < length) {
      result[index] = object[props[index]];
    }
    return result;
  }

  /**
   * Performs a binary search of `array` to determine the index at which `value`
   * should be inserted into `array` in order to maintain its sort order.
   *
   * @private
   * @param {Array} array The sorted array to inspect.
   * @param {*} value The value to evaluate.
   * @param {boolean} [retHighest] Specify returning the highest qualified index.
   * @returns {number} Returns the index at which `value` should be inserted
   *  into `array`.
   */
  function binaryIndex(array, value, retHighest) {
    var low = 0,
        high = array ? array.length : low;

    if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
      while (low < high) {
        var mid = (low + high) >>> 1,
            computed = array[mid];

        if ((retHighest ? (computed <= value) : (computed < value)) && computed !== null) {
          low = mid + 1;
        } else {
          high = mid;
        }
      }
      return high;
    }
    return binaryIndexBy(array, value, identity, retHighest);
  }

  /**
   * This function is like `binaryIndex` except that it invokes `iteratee` for
   * `value` and each element of `array` to compute their sort ranking. The
   * iteratee is invoked with one argument; (value).
   *
   * @private
   * @param {Array} array The sorted array to inspect.
   * @param {*} value The value to evaluate.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {boolean} [retHighest] Specify returning the highest qualified index.
   * @returns {number} Returns the index at which `value` should be inserted
   *  into `array`.
   */
  function binaryIndexBy(array, value, iteratee, retHighest) {
    value = iteratee(value);

    var low = 0,
        high = array ? array.length : 0,
        valIsNaN = value !== value,
        valIsNull = value === null,
        valIsUndef = value === undefined;

    while (low < high) {
      var mid = floor((low + high) / 2),
          computed = iteratee(array[mid]),
          isDef = computed !== undefined,
          isReflexive = computed === computed;

      if (valIsNaN) {
        var setLow = isReflexive || retHighest;
      } else if (valIsNull) {
        setLow = isReflexive && isDef && (retHighest || computed != null);
      } else if (valIsUndef) {
        setLow = isReflexive && (retHighest || isDef);
      } else if (computed == null) {
        setLow = false;
      } else {
        setLow = retHighest ? (computed <= value) : (computed < value);
      }
      if (setLow) {
        low = mid + 1;
      } else {
        high = mid;
      }
    }
    return nativeMin(high, MAX_ARRAY_INDEX);
  }

  /**
   * A specialized version of `baseCallback` which only supports `this` binding
   * and specifying the number of arguments to provide to `func`.
   *
   * @private
   * @param {Function} func The function to bind.
   * @param {*} thisArg The `this` binding of `func`.
   * @param {number} [argCount] The number of arguments to provide to `func`.
   * @returns {Function} Returns the callback.
   */
  function bindCallback(func, thisArg, argCount) {
    if (typeof func != 'function') {
      return identity;
    }
    if (thisArg === undefined) {
      return func;
    }
    switch (argCount) {
      case 1: return function(value) {
        return func.call(thisArg, value);
      };
      case 3: return function(value, index, collection) {
        return func.call(thisArg, value, index, collection);
      };
      case 4: return function(accumulator, value, index, collection) {
        return func.call(thisArg, accumulator, value, index, collection);
      };
      case 5: return function(value, other, key, object, source) {
        return func.call(thisArg, value, other, key, object, source);
      };
    }
    return function() {
      return func.apply(thisArg, arguments);
    };
  }

  /**
   * Creates a clone of the given array buffer.
   *
   * @private
   * @param {ArrayBuffer} buffer The array buffer to clone.
   * @returns {ArrayBuffer} Returns the cloned array buffer.
   */
  function bufferClone(buffer) {
    return bufferSlice.call(buffer, 0);
  }
  if (!bufferSlice) {
    // PhantomJS has `ArrayBuffer` and `Uint8Array` but not `Float64Array`.
    bufferClone = !(ArrayBuffer && Uint8Array) ? constant(null) : function(buffer) {
      var byteLength = buffer.byteLength,
          floatLength = Float64Array ? floor(byteLength / FLOAT64_BYTES_PER_ELEMENT) : 0,
          offset = floatLength * FLOAT64_BYTES_PER_ELEMENT,
          result = new ArrayBuffer(byteLength);

      if (floatLength) {
        var view = new Float64Array(result, 0, floatLength);
        view.set(new Float64Array(buffer, 0, floatLength));
      }
      if (byteLength != offset) {
        view = new Uint8Array(result, offset);
        view.set(new Uint8Array(buffer, offset));
      }
      return result;
    };
  }

  /**
   * Creates an array that is the composition of partially applied arguments,
   * placeholders, and provided arguments into a single array of arguments.
   *
   * @private
   * @param {Array|Object} args The provided arguments.
   * @param {Array} partials The arguments to prepend to those provided.
   * @param {Array} holders The `partials` placeholder indexes.
   * @returns {Array} Returns the new array of composed arguments.
   */
  function composeArgs(args, partials, holders) {
    var holdersLength = holders.length,
        argsIndex = -1,
        argsLength = nativeMax(args.length - holdersLength, 0),
        leftIndex = -1,
        leftLength = partials.length,
        result = Array(argsLength + leftLength);

    while (++leftIndex < leftLength) {
      result[leftIndex] = partials[leftIndex];
    }
    while (++argsIndex < holdersLength) {
      result[holders[argsIndex]] = args[argsIndex];
    }
    while (argsLength--) {
      result[leftIndex++] = args[argsIndex++];
    }
    return result;
  }

  /**
   * This function is like `composeArgs` except that the arguments composition
   * is tailored for `_.partialRight`.
   *
   * @private
   * @param {Array|Object} args The provided arguments.
   * @param {Array} partials The arguments to append to those provided.
   * @param {Array} holders The `partials` placeholder indexes.
   * @returns {Array} Returns the new array of composed arguments.
   */
  function composeArgsRight(args, partials, holders) {
    var holdersIndex = -1,
        holdersLength = holders.length,
        argsIndex = -1,
        argsLength = nativeMax(args.length - holdersLength, 0),
        rightIndex = -1,
        rightLength = partials.length,
        result = Array(argsLength + rightLength);

    while (++argsIndex < argsLength) {
      result[argsIndex] = args[argsIndex];
    }
    var offset = argsIndex;
    while (++rightIndex < rightLength) {
      result[offset + rightIndex] = partials[rightIndex];
    }
    while (++holdersIndex < holdersLength) {
      result[offset + holders[holdersIndex]] = args[argsIndex++];
    }
    return result;
  }

  /**
   * Creates a function that assigns properties of source object(s) to a given
   * destination object.
   *
   * **Note:** This function is used to create `_.assign`, `_.defaults`, and `_.merge`.
   *
   * @private
   * @param {Function} assigner The function to assign values.
   * @returns {Function} Returns the new assigner function.
   */
  function createAssigner(assigner) {
    return restParam(function(object, sources) {
      var index = -1,
          length = object == null ? 0 : sources.length,
          customizer = length > 2 ? sources[length - 2] : undefined,
          guard = length > 2 ? sources[2] : undefined,
          thisArg = length > 1 ? sources[length - 1] : undefined;

      if (typeof customizer == 'function') {
        customizer = bindCallback(customizer, thisArg, 5);
        length -= 2;
      } else {
        customizer = typeof thisArg == 'function' ? thisArg : undefined;
        length -= (customizer ? 1 : 0);
      }
      if (guard && isIterateeCall(sources[0], sources[1], guard)) {
        customizer = length < 3 ? undefined : customizer;
        length = 1;
      }
      while (++index < length) {
        var source = sources[index];
        if (source) {
          assigner(object, source, customizer);
        }
      }
      return object;
    });
  }

  /**
   * Creates a `baseEach` or `baseEachRight` function.
   *
   * @private
   * @param {Function} eachFunc The function to iterate over a collection.
   * @param {boolean} [fromRight] Specify iterating from right to left.
   * @returns {Function} Returns the new base function.
   */
  function createBaseEach(eachFunc, fromRight) {
    return function(collection, iteratee) {
      var length = collection ? getLength(collection) : 0;
      if (!isLength(length)) {
        return eachFunc(collection, iteratee);
      }
      var index = fromRight ? length : -1,
          iterable = toObject(collection);

      while ((fromRight ? index-- : ++index < length)) {
        if (iteratee(iterable[index], index, iterable) === false) {
          break;
        }
      }
      return collection;
    };
  }

  /**
   * Creates a base function for `_.forIn` or `_.forInRight`.
   *
   * @private
   * @param {boolean} [fromRight] Specify iterating from right to left.
   * @returns {Function} Returns the new base function.
   */
  function createBaseFor(fromRight) {
    return function(object, iteratee, keysFunc) {
      var iterable = toObject(object),
          props = keysFunc(object),
          length = props.length,
          index = fromRight ? length : -1;

      while ((fromRight ? index-- : ++index < length)) {
        var key = props[index];
        if (iteratee(iterable[key], key, iterable) === false) {
          break;
        }
      }
      return object;
    };
  }

  /**
   * Creates a function that wraps `func` and invokes it with the `this`
   * binding of `thisArg`.
   *
   * @private
   * @param {Function} func The function to bind.
   * @param {*} [thisArg] The `this` binding of `func`.
   * @returns {Function} Returns the new bound function.
   */
  function createBindWrapper(func, thisArg) {
    var Ctor = createCtorWrapper(func);

    function wrapper() {
      var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
      return fn.apply(thisArg, arguments);
    }
    return wrapper;
  }

  /**
   * Creates a `Set` cache object to optimize linear searches of large arrays.
   *
   * @private
   * @param {Array} [values] The values to cache.
   * @returns {null|Object} Returns the new cache object if `Set` is supported, else `null`.
   */
  var createCache = !(nativeCreate && Set) ? constant(null) : function(values) {
    return new SetCache(values);
  };

  /**
   * Creates a function that produces an instance of `Ctor` regardless of
   * whether it was invoked as part of a `new` expression or by `call` or `apply`.
   *
   * @private
   * @param {Function} Ctor The constructor to wrap.
   * @returns {Function} Returns the new wrapped function.
   */
  function createCtorWrapper(Ctor) {
    return function() {
      // Use a `switch` statement to work with class constructors.
      // See https://people.mozilla.org/~jorendorff/es6-draft.html#sec-ecmascript-function-objects-call-thisargument-argumentslist
      // for more details.
      var args = arguments;
      switch (args.length) {
        case 0: return new Ctor;
        case 1: return new Ctor(args[0]);
        case 2: return new Ctor(args[0], args[1]);
        case 3: return new Ctor(args[0], args[1], args[2]);
        case 4: return new Ctor(args[0], args[1], args[2], args[3]);
        case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);
      }
      var thisBinding = baseCreate(Ctor.prototype),
          result = Ctor.apply(thisBinding, args);

      // Mimic the constructor's `return` behavior.
      // See https://es5.github.io/#x13.2.2 for more details.
      return isObject(result) ? result : thisBinding;
    };
  }

  /**
   * Creates a `_.find` or `_.findLast` function.
   *
   * @private
   * @param {Function} eachFunc The function to iterate over a collection.
   * @param {boolean} [fromRight] Specify iterating from right to left.
   * @returns {Function} Returns the new find function.
   */
  function createFind(eachFunc, fromRight) {
    return function(collection, predicate, thisArg) {
      predicate = getCallback(predicate, thisArg, 3);
      if (isArray(collection)) {
        var index = baseFindIndex(collection, predicate, fromRight);
        return index > -1 ? collection[index] : undefined;
      }
      return baseFind(collection, predicate, eachFunc);
    };
  }

  /**
   * Creates a function for `_.forEach` or `_.forEachRight`.
   *
   * @private
   * @param {Function} arrayFunc The function to iterate over an array.
   * @param {Function} eachFunc The function to iterate over a collection.
   * @returns {Function} Returns the new each function.
   */
  function createForEach(arrayFunc, eachFunc) {
    return function(collection, iteratee, thisArg) {
      return (typeof iteratee == 'function' && thisArg === undefined && isArray(collection))
        ? arrayFunc(collection, iteratee)
        : eachFunc(collection, bindCallback(iteratee, thisArg, 3));
    };
  }

  /**
   * Creates a `_.partial` or `_.partialRight` function.
   *
   * @private
   * @param {boolean} flag The partial bit flag.
   * @returns {Function} Returns the new partial function.
   */
  function createPartial(flag) {
    var partialFunc = restParam(function(func, partials) {
      var holders = replaceHolders(partials, partialFunc.placeholder);
      return createWrapper(func, flag, null, partials, holders);
    });
    return partialFunc;
  }

  /**
   * Creates a function for `_.reduce` or `_.reduceRight`.
   *
   * @private
   * @param {Function} arrayFunc The function to iterate over an array.
   * @param {Function} eachFunc The function to iterate over a collection.
   * @returns {Function} Returns the new each function.
   */
  function createReduce(arrayFunc, eachFunc) {
    return function(collection, iteratee, accumulator, thisArg) {
      var initFromArray = arguments.length < 3;
      return (typeof iteratee == 'function' && thisArg === undefined && isArray(collection))
        ? arrayFunc(collection, iteratee, accumulator, initFromArray)
        : baseReduce(collection, getCallback(iteratee, thisArg, 4), accumulator, initFromArray, eachFunc);
    };
  }

  /**
   * Creates a function that wraps `func` and invokes it with optional `this`
   * binding of, partial application, and currying.
   *
   * @private
   * @param {Function|string} func The function or method name to reference.
   * @param {number} bitmask The bitmask of flags. See `createWrapper` for more details.
   * @param {*} [thisArg] The `this` binding of `func`.
   * @param {Array} [partials] The arguments to prepend to those provided to the new function.
   * @param {Array} [holders] The `partials` placeholder indexes.
   * @param {Array} [partialsRight] The arguments to append to those provided to the new function.
   * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
   * @param {Array} [argPos] The argument positions of the new function.
   * @param {number} [ary] The arity cap of `func`.
   * @param {number} [arity] The arity of `func`.
   * @returns {Function} Returns the new wrapped function.
   */
  function createHybridWrapper(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
    var isAry = bitmask & ARY_FLAG,
        isBind = bitmask & BIND_FLAG,
        isBindKey = bitmask & BIND_KEY_FLAG,
        isCurry = bitmask & CURRY_FLAG,
        isCurryBound = bitmask & CURRY_BOUND_FLAG,
        isCurryRight = bitmask & CURRY_RIGHT_FLAG,
        Ctor = isBindKey ? null : createCtorWrapper(func);

    function wrapper() {
      // Avoid `arguments` object use disqualifying optimizations by
      // converting it to an array before providing it to other functions.
      var length = arguments.length,
          index = length,
          args = Array(length);

      while (index--) {
        args[index] = arguments[index];
      }
      if (partials) {
        args = composeArgs(args, partials, holders);
      }
      if (partialsRight) {
        args = composeArgsRight(args, partialsRight, holdersRight);
      }
      if (isCurry || isCurryRight) {
        var placeholder = wrapper.placeholder,
            argsHolders = replaceHolders(args, placeholder);

        length -= argsHolders.length;
        if (length < arity) {
          var newArgPos = argPos ? arrayCopy(argPos) : null,
              newArity = nativeMax(arity - length, 0),
              newsHolders = isCurry ? argsHolders : null,
              newHoldersRight = isCurry ? null : argsHolders,
              newPartials = isCurry ? args : null,
              newPartialsRight = isCurry ? null : args;

          bitmask |= (isCurry ? PARTIAL_FLAG : PARTIAL_RIGHT_FLAG);
          bitmask &= ~(isCurry ? PARTIAL_RIGHT_FLAG : PARTIAL_FLAG);

          if (!isCurryBound) {
            bitmask &= ~(BIND_FLAG | BIND_KEY_FLAG);
          }
          var newData = [func, bitmask, thisArg, newPartials, newsHolders, newPartialsRight, newHoldersRight, newArgPos, ary, newArity],
              result = createHybridWrapper.apply(undefined, newData);

          if (isLaziable(func)) {
            setData(result, newData);
          }
          result.placeholder = placeholder;
          return result;
        }
      }
      var thisBinding = isBind ? thisArg : this,
          fn = isBindKey ? thisBinding[func] : func;

      if (argPos) {
        args = reorder(args, argPos);
      }
      if (isAry && ary < args.length) {
        args.length = ary;
      }
      if (this && this !== root && this instanceof wrapper) {
        fn = Ctor || createCtorWrapper(func);
      }
      return fn.apply(thisBinding, args);
    }
    return wrapper;
  }

  /**
   * Creates a function that wraps `func` and invokes it with the optional `this`
   * binding of `thisArg` and the `partials` prepended to those provided to
   * the wrapper.
   *
   * @private
   * @param {Function} func The function to partially apply arguments to.
   * @param {number} bitmask The bitmask of flags. See `createWrapper` for more details.
   * @param {*} thisArg The `this` binding of `func`.
   * @param {Array} partials The arguments to prepend to those provided to the new function.
   * @returns {Function} Returns the new bound function.
   */
  function createPartialWrapper(func, bitmask, thisArg, partials) {
    var isBind = bitmask & BIND_FLAG,
        Ctor = createCtorWrapper(func);

    function wrapper() {
      // Avoid `arguments` object use disqualifying optimizations by
      // converting it to an array before providing it `func`.
      var argsIndex = -1,
          argsLength = arguments.length,
          leftIndex = -1,
          leftLength = partials.length,
          args = Array(argsLength + leftLength);

      while (++leftIndex < leftLength) {
        args[leftIndex] = partials[leftIndex];
      }
      while (argsLength--) {
        args[leftIndex++] = arguments[++argsIndex];
      }
      var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
      return fn.apply(isBind ? thisArg : this, args);
    }
    return wrapper;
  }

  /**
   * Creates a function that either curries or invokes `func` with optional
   * `this` binding and partially applied arguments.
   *
   * @private
   * @param {Function|string} func The function or method name to reference.
   * @param {number} bitmask The bitmask of flags.
   *  The bitmask may be composed of the following flags:
   *     1 - `_.bind`
   *     2 - `_.bindKey`
   *     4 - `_.curry` or `_.curryRight` of a bound function
   *     8 - `_.curry`
   *    16 - `_.curryRight`
   *    32 - `_.partial`
   *    64 - `_.partialRight`
   *   128 - `_.rearg`
   *   256 - `_.ary`
   * @param {*} [thisArg] The `this` binding of `func`.
   * @param {Array} [partials] The arguments to be partially applied.
   * @param {Array} [holders] The `partials` placeholder indexes.
   * @param {Array} [argPos] The argument positions of the new function.
   * @param {number} [ary] The arity cap of `func`.
   * @param {number} [arity] The arity of `func`.
   * @returns {Function} Returns the new wrapped function.
   */
  function createWrapper(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
    var isBindKey = bitmask & BIND_KEY_FLAG;
    if (!isBindKey && typeof func != 'function') {
      throw new TypeError(FUNC_ERROR_TEXT);
    }
    var length = partials ? partials.length : 0;
    if (!length) {
      bitmask &= ~(PARTIAL_FLAG | PARTIAL_RIGHT_FLAG);
      partials = holders = null;
    }
    length -= (holders ? holders.length : 0);
    if (bitmask & PARTIAL_RIGHT_FLAG) {
      var partialsRight = partials,
          holdersRight = holders;

      partials = holders = null;
    }
    var data = isBindKey ? null : getData(func),
        newData = [func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity];

    if (data) {
      mergeData(newData, data);
      bitmask = newData[1];
      arity = newData[9];
    }
    newData[9] = arity == null
      ? (isBindKey ? 0 : func.length)
      : (nativeMax(arity - length, 0) || 0);

    if (bitmask == BIND_FLAG) {
      var result = createBindWrapper(newData[0], newData[2]);
    } else if ((bitmask == PARTIAL_FLAG || bitmask == (BIND_FLAG | PARTIAL_FLAG)) && !newData[4].length) {
      result = createPartialWrapper.apply(undefined, newData);
    } else {
      result = createHybridWrapper.apply(undefined, newData);
    }
    var setter = data ? baseSetData : setData;
    return setter(result, newData);
  }

  /**
   * A specialized version of `baseIsEqualDeep` for arrays with support for
   * partial deep comparisons.
   *
   * @private
   * @param {Array} array The array to compare.
   * @param {Array} other The other array to compare.
   * @param {Function} equalFunc The function to determine equivalents of values.
   * @param {Function} [customizer] The function to customize comparing arrays.
   * @param {boolean} [isLoose] Specify performing partial comparisons.
   * @param {Array} [stackA] Tracks traversed `value` objects.
   * @param {Array} [stackB] Tracks traversed `other` objects.
   * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
   */
  function equalArrays(array, other, equalFunc, customizer, isLoose, stackA, stackB) {
    var index = -1,
        arrLength = array.length,
        othLength = other.length;

    if (arrLength != othLength && !(isLoose && othLength > arrLength)) {
      return false;
    }
    // Ignore non-index properties.
    while (++index < arrLength) {
      var arrValue = array[index],
          othValue = other[index],
          result = customizer ? customizer(isLoose ? othValue : arrValue, isLoose ? arrValue : othValue, index) : undefined;

      if (result !== undefined) {
        if (result) {
          continue;
        }
        return false;
      }
      // Recursively compare arrays (susceptible to call stack limits).
      if (isLoose) {
        if (!arraySome(other, function(othValue) {
              return arrValue === othValue || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB);
            })) {
          return false;
        }
      } else if (!(arrValue === othValue || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB))) {
        return false;
      }
    }
    return true;
  }

  /**
   * A specialized version of `baseIsEqualDeep` for comparing objects of
   * the same `toStringTag`.
   *
   * **Note:** This function only supports comparing values with tags of
   * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
   *
   * @private
   * @param {Object} value The object to compare.
   * @param {Object} other The other object to compare.
   * @param {string} tag The `toStringTag` of the objects to compare.
   * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
   */
  function equalByTag(object, other, tag) {
    switch (tag) {
      case boolTag:
      case dateTag:
        // Coerce dates and booleans to numbers, dates to milliseconds and booleans
        // to `1` or `0` treating invalid dates coerced to `NaN` as not equal.
        return +object == +other;

      case errorTag:
        return object.name == other.name && object.message == other.message;

      case numberTag:
        // Treat `NaN` vs. `NaN` as equal.
        return (object != +object)
          ? other != +other
          : object == +other;

      case regexpTag:
      case stringTag:
        // Coerce regexes to strings and treat strings primitives and string
        // objects as equal. See https://es5.github.io/#x15.10.6.4 for more details.
        return object == (other + '');
    }
    return false;
  }

  /**
   * A specialized version of `baseIsEqualDeep` for objects with support for
   * partial deep comparisons.
   *
   * @private
   * @param {Object} object The object to compare.
   * @param {Object} other The other object to compare.
   * @param {Function} equalFunc The function to determine equivalents of values.
   * @param {Function} [customizer] The function to customize comparing values.
   * @param {boolean} [isLoose] Specify performing partial comparisons.
   * @param {Array} [stackA] Tracks traversed `value` objects.
   * @param {Array} [stackB] Tracks traversed `other` objects.
   * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
   */
  function equalObjects(object, other, equalFunc, customizer, isLoose, stackA, stackB) {
    var objProps = keys(object),
        objLength = objProps.length,
        othProps = keys(other),
        othLength = othProps.length;

    if (objLength != othLength && !isLoose) {
      return false;
    }
    var index = objLength;
    while (index--) {
      var key = objProps[index];
      if (!(isLoose ? key in other : hasOwnProperty.call(other, key))) {
        return false;
      }
    }
    var skipCtor = isLoose;
    while (++index < objLength) {
      key = objProps[index];
      var objValue = object[key],
          othValue = other[key],
          result = customizer ? customizer(isLoose ? othValue : objValue, isLoose? objValue : othValue, key) : undefined;

      // Recursively compare objects (susceptible to call stack limits).
      if (!(result === undefined ? equalFunc(objValue, othValue, customizer, isLoose, stackA, stackB) : result)) {
        return false;
      }
      skipCtor || (skipCtor = key == 'constructor');
    }
    if (!skipCtor) {
      var objCtor = object.constructor,
          othCtor = other.constructor;

      // Non `Object` object instances with different constructors are not equal.
      if (objCtor != othCtor &&
          ('constructor' in object && 'constructor' in other) &&
          !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
            typeof othCtor == 'function' && othCtor instanceof othCtor)) {
        return false;
      }
    }
    return true;
  }

  /**
   * Gets the appropriate "callback" function. If the `_.callback` method is
   * customized this function returns the custom method, otherwise it returns
   * the `baseCallback` function. If arguments are provided the chosen function
   * is invoked with them and its result is returned.
   *
   * @private
   * @returns {Function} Returns the chosen function or its result.
   */
  function getCallback(func, thisArg, argCount) {
    var result = lodash.callback || callback;
    result = result === callback ? baseCallback : result;
    return argCount ? result(func, thisArg, argCount) : result;
  }

  /**
   * Gets metadata for `func`.
   *
   * @private
   * @param {Function} func The function to query.
   * @returns {*} Returns the metadata for `func`.
   */
  var getData = !metaMap ? noop : function(func) {
    return metaMap.get(func);
  };

  /**
   * Gets the name of `func`.
   *
   * @private
   * @param {Function} func The function to query.
   * @returns {string} Returns the function name.
   */
  function getFuncName(func) {
    var result = func.name,
        array = realNames[result],
        length = array ? array.length : 0;

    while (length--) {
      var data = array[length],
          otherFunc = data.func;
      if (otherFunc == null || otherFunc == func) {
        return data.name;
      }
    }
    return result;
  }

  /**
   * Gets the appropriate "indexOf" function. If the `_.indexOf` method is
   * customized this function returns the custom method, otherwise it returns
   * the `baseIndexOf` function. If arguments are provided the chosen function
   * is invoked with them and its result is returned.
   *
   * @private
   * @returns {Function|number} Returns the chosen function or its result.
   */
  function getIndexOf(collection, target, fromIndex) {
    var result = lodash.indexOf || indexOf;
    result = result === indexOf ? baseIndexOf : result;
    return collection ? result(collection, target, fromIndex) : result;
  }

  /**
   * Gets the "length" property value of `object`.
   *
   * **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792)
   * that affects Safari on at least iOS 8.1-8.3 ARM64.
   *
   * @private
   * @param {Object} object The object to query.
   * @returns {*} Returns the "length" value.
   */
  var getLength = baseProperty('length');

  /**
   * Gets the propery names, values, and compare flags of `object`.
   *
   * @private
   * @param {Object} object The object to query.
   * @returns {Array} Returns the match data of `object`.
   */
  function getMatchData(object) {
    var result = pairs(object),
        length = result.length;

    while (length--) {
      result[length][2] = isStrictComparable(result[length][1]);
    }
    return result;
  }

  /**
   * Gets the native function at `key` of `object`.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {string} key The key of the method to get.
   * @returns {*} Returns the function if it's native, else `undefined`.
   */
  function getNative(object, key) {
    var value = object == null ? undefined : object[key];
    return isNative(value) ? value : undefined;
  }

  /**
   * Initializes an array clone.
   *
   * @private
   * @param {Array} array The array to clone.
   * @returns {Array} Returns the initialized clone.
   */
  function initCloneArray(array) {
    var length = array.length,
        result = new array.constructor(length);

    // Add array properties assigned by `RegExp#exec`.
    if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
      result.index = array.index;
      result.input = array.input;
    }
    return result;
  }

  /**
   * Initializes an object clone.
   *
   * @private
   * @param {Object} object The object to clone.
   * @returns {Object} Returns the initialized clone.
   */
  function initCloneObject(object) {
    var Ctor = object.constructor;
    if (!(typeof Ctor == 'function' && Ctor instanceof Ctor)) {
      Ctor = Object;
    }
    return new Ctor;
  }

  /**
   * Initializes an object clone based on its `toStringTag`.
   *
   * **Note:** This function only supports cloning values with tags of
   * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
   *
   * @private
   * @param {Object} object The object to clone.
   * @param {string} tag The `toStringTag` of the object to clone.
   * @param {boolean} [isDeep] Specify a deep clone.
   * @returns {Object} Returns the initialized clone.
   */
  function initCloneByTag(object, tag, isDeep) {
    var Ctor = object.constructor;
    switch (tag) {
      case arrayBufferTag:
        return bufferClone(object);

      case boolTag:
      case dateTag:
        return new Ctor(+object);

      case float32Tag: case float64Tag:
      case int8Tag: case int16Tag: case int32Tag:
      case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
        var buffer = object.buffer;
        return new Ctor(isDeep ? bufferClone(buffer) : buffer, object.byteOffset, object.length);

      case numberTag:
      case stringTag:
        return new Ctor(object);

      case regexpTag:
        var result = new Ctor(object.source, reFlags.exec(object));
        result.lastIndex = object.lastIndex;
    }
    return result;
  }

  /**
   * Invokes the method at `path` on `object`.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array|string} path The path of the method to invoke.
   * @param {Array} args The arguments to invoke the method with.
   * @returns {*} Returns the result of the invoked method.
   */
  function invokePath(object, path, args) {
    if (object != null && !isKey(path, object)) {
      path = toPath(path);
      object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));
      path = last(path);
    }
    var func = object == null ? object : object[path];
    return func == null ? undefined : func.apply(object, args);
  }

  /**
   * Checks if `value` is array-like.
   *
   * @private
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
   */
  function isArrayLike(value) {
    return value != null && isLength(getLength(value));
  }

  /**
   * Checks if `value` is a valid array-like index.
   *
   * @private
   * @param {*} value The value to check.
   * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
   * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
   */
  function isIndex(value, length) {
    value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1;
    length = length == null ? MAX_SAFE_INTEGER : length;
    return value > -1 && value % 1 == 0 && value < length;
  }

  /**
   * Checks if the provided arguments are from an iteratee call.
   *
   * @private
   * @param {*} value The potential iteratee value argument.
   * @param {*} index The potential iteratee index or key argument.
   * @param {*} object The potential iteratee object argument.
   * @returns {boolean} Returns `true` if the arguments are from an iteratee call, else `false`.
   */
  function isIterateeCall(value, index, object) {
    if (!isObject(object)) {
      return false;
    }
    var type = typeof index;
    if (type == 'number'
        ? (isArrayLike(object) && isIndex(index, object.length))
        : (type == 'string' && index in object)) {
      var other = object[index];
      return value === value ? (value === other) : (other !== other);
    }
    return false;
  }

  /**
   * Checks if `value` is a property name and not a property path.
   *
   * @private
   * @param {*} value The value to check.
   * @param {Object} [object] The object to query keys on.
   * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
   */
  function isKey(value, object) {
    var type = typeof value;
    if ((type == 'string' && reIsPlainProp.test(value)) || type == 'number') {
      return true;
    }
    if (isArray(value)) {
      return false;
    }
    var result = !reIsDeepProp.test(value);
    return result || (object != null && value in toObject(object));
  }

  /**
   * Checks if `func` has a lazy counterpart.
   *
   * @private
   * @param {Function} func The function to check.
   * @returns {boolean} Returns `true` if `func` has a lazy counterpart, else `false`.
   */
  function isLaziable(func) {
    var funcName = getFuncName(func);
    if (!(funcName in LazyWrapper.prototype)) {
      return false;
    }
    var other = lodash[funcName];
    if (func === other) {
      return true;
    }
    var data = getData(other);
    return !!data && func === data[0];
  }

  /**
   * Checks if `value` is a valid array-like length.
   *
   * **Note:** This function is based on [`ToLength`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength).
   *
   * @private
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
   */
  function isLength(value) {
    return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
  }

  /**
   * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
   *
   * @private
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` if suitable for strict
   *  equality comparisons, else `false`.
   */
  function isStrictComparable(value) {
    return value === value && !isObject(value);
  }

  /**
   * Merges the function metadata of `source` into `data`.
   *
   * Merging metadata reduces the number of wrappers required to invoke a function.
   * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`
   * may be applied regardless of execution order. Methods like `_.ary` and `_.rearg`
   * augment function arguments, making the order in which they are executed important,
   * preventing the merging of metadata. However, we make an exception for a safe
   * common case where curried functions have `_.ary` and or `_.rearg` applied.
   *
   * @private
   * @param {Array} data The destination metadata.
   * @param {Array} source The source metadata.
   * @returns {Array} Returns `data`.
   */
  function mergeData(data, source) {
    var bitmask = data[1],
        srcBitmask = source[1],
        newBitmask = bitmask | srcBitmask,
        isCommon = newBitmask < ARY_FLAG;

    var isCombo =
      (srcBitmask == ARY_FLAG && bitmask == CURRY_FLAG) ||
      (srcBitmask == ARY_FLAG && bitmask == REARG_FLAG && data[7].length <= source[8]) ||
      (srcBitmask == (ARY_FLAG | REARG_FLAG) && bitmask == CURRY_FLAG);

    // Exit early if metadata can't be merged.
    if (!(isCommon || isCombo)) {
      return data;
    }
    // Use source `thisArg` if available.
    if (srcBitmask & BIND_FLAG) {
      data[2] = source[2];
      // Set when currying a bound function.
      newBitmask |= (bitmask & BIND_FLAG) ? 0 : CURRY_BOUND_FLAG;
    }
    // Compose partial arguments.
    var value = source[3];
    if (value) {
      var partials = data[3];
      data[3] = partials ? composeArgs(partials, value, source[4]) : arrayCopy(value);
      data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : arrayCopy(source[4]);
    }
    // Compose partial right arguments.
    value = source[5];
    if (value) {
      partials = data[5];
      data[5] = partials ? composeArgsRight(partials, value, source[6]) : arrayCopy(value);
      data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : arrayCopy(source[6]);
    }
    // Use source `argPos` if available.
    value = source[7];
    if (value) {
      data[7] = arrayCopy(value);
    }
    // Use source `ary` if it's smaller.
    if (srcBitmask & ARY_FLAG) {
      data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
    }
    // Use source `arity` if one is not provided.
    if (data[9] == null) {
      data[9] = source[9];
    }
    // Use source `func` and merge bitmasks.
    data[0] = source[0];
    data[1] = newBitmask;

    return data;
  }

  /**
   * A specialized version of `_.pick` which picks `object` properties specified
   * by `props`.
   *
   * @private
   * @param {Object} object The source object.
   * @param {string[]} props The property names to pick.
   * @returns {Object} Returns the new object.
   */
  function pickByArray(object, props) {
    object = toObject(object);

    var index = -1,
        length = props.length,
        result = {};

    while (++index < length) {
      var key = props[index];
      if (key in object) {
        result[key] = object[key];
      }
    }
    return result;
  }

  /**
   * A specialized version of `_.pick` which picks `object` properties `predicate`
   * returns truthy for.
   *
   * @private
   * @param {Object} object The source object.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {Object} Returns the new object.
   */
  function pickByCallback(object, predicate) {
    var result = {};
    baseForIn(object, function(value, key, object) {
      if (predicate(value, key, object)) {
        result[key] = value;
      }
    });
    return result;
  }

  /**
   * Reorder `array` according to the specified indexes where the element at
   * the first index is assigned as the first element, the element at
   * the second index is assigned as the second element, and so on.
   *
   * @private
   * @param {Array} array The array to reorder.
   * @param {Array} indexes The arranged array indexes.
   * @returns {Array} Returns `array`.
   */
  function reorder(array, indexes) {
    var arrLength = array.length,
        length = nativeMin(indexes.length, arrLength),
        oldArray = arrayCopy(array);

    while (length--) {
      var index = indexes[length];
      array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;
    }
    return array;
  }

  /**
   * Sets metadata for `func`.
   *
   * **Note:** If this function becomes hot, i.e. is invoked a lot in a short
   * period of time, it will trip its breaker and transition to an identity function
   * to avoid garbage collection pauses in V8. See [V8 issue 2070](https://code.google.com/p/v8/issues/detail?id=2070)
   * for more details.
   *
   * @private
   * @param {Function} func The function to associate metadata with.
   * @param {*} data The metadata.
   * @returns {Function} Returns `func`.
   */
  var setData = (function() {
    var count = 0,
        lastCalled = 0;

    return function(key, value) {
      var stamp = now(),
          remaining = HOT_SPAN - (stamp - lastCalled);

      lastCalled = stamp;
      if (remaining > 0) {
        if (++count >= HOT_COUNT) {
          return key;
        }
      } else {
        count = 0;
      }
      return baseSetData(key, value);
    };
  }());

  /**
   * A fallback implementation of `_.isPlainObject` which checks if `value`
   * is an object created by the `Object` constructor or has a `[[Prototype]]`
   * of `null`.
   *
   * @private
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
   */
  function shimIsPlainObject(value) {
    var Ctor,
        support = lodash.support;

    // Exit early for non `Object` objects.
    if (!(isObjectLike(value) && objToString.call(value) == objectTag) ||
        (!hasOwnProperty.call(value, 'constructor') &&
          (Ctor = value.constructor, typeof Ctor == 'function' && !(Ctor instanceof Ctor)))) {
      return false;
    }
    // IE < 9 iterates inherited properties before own properties. If the first
    // iterated property is an object's own property then there are no inherited
    // enumerable properties.
    var result;
    // In most environments an object's own properties are iterated before
    // its inherited properties. If the last iterated property is an object's
    // own property then there are no inherited enumerable properties.
    baseForIn(value, function(subValue, key) {
      result = key;
    });
    return result === undefined || hasOwnProperty.call(value, result);
  }

  /**
   * A fallback implementation of `Object.keys` which creates an array of the
   * own enumerable property names of `object`.
   *
   * @private
   * @param {Object} object The object to query.
   * @returns {Array} Returns the array of property names.
   */
  function shimKeys(object) {
    var props = keysIn(object),
        propsLength = props.length,
        length = propsLength && object.length;

    var allowIndexes = !!length && isLength(length) &&
      (isArray(object) || isArguments(object));

    var index = -1,
        result = [];

    while (++index < propsLength) {
      var key = props[index];
      if ((allowIndexes && isIndex(key, length)) || hasOwnProperty.call(object, key)) {
        result.push(key);
      }
    }
    return result;
  }

  /**
   * Converts `value` to an object if it's not one.
   *
   * @private
   * @param {*} value The value to process.
   * @returns {Object} Returns the object.
   */
  function toObject(value) {
    return isObject(value) ? value : Object(value);
  }

  /**
   * Converts `value` to property path array if it's not one.
   *
   * @private
   * @param {*} value The value to process.
   * @returns {Array} Returns the property path array.
   */
  function toPath(value) {
    if (isArray(value)) {
      return value;
    }
    var result = [];
    baseToString(value).replace(rePropName, function(match, number, quote, string) {
      result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
    });
    return result;
  }

  /*------------------------------------------------------------------------*/

  /**
   * Creates an array of unique `array` values not included in the other
   * provided arrays using [`SameValueZero`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-samevaluezero)
   * for equality comparisons.
   *
   * @static
   * @memberOf _
   * @category Array
   * @param {Array} array The array to inspect.
   * @param {...Array} [values] The arrays of values to exclude.
   * @returns {Array} Returns the new array of filtered values.
   * @example
   *
   * _.difference([1, 2, 3], [4, 2]);
   * // => [1, 3]
   */
  var difference = restParam(function(array, values) {
    return isArrayLike(array)
      ? baseDifference(array, baseFlatten(values, false, true))
      : [];
  });

  /**
   * Gets the index at which the first occurrence of `value` is found in `array`
   * using [`SameValueZero`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-samevaluezero)
   * for equality comparisons. If `fromIndex` is negative, it is used as the offset
   * from the end of `array`. If `array` is sorted providing `true` for `fromIndex`
   * performs a faster binary search.
   *
   * @static
   * @memberOf _
   * @category Array
   * @param {Array} array The array to search.
   * @param {*} value The value to search for.
   * @param {boolean|number} [fromIndex=0] The index to search from or `true`
   *  to perform a binary search on a sorted array.
   * @returns {number} Returns the index of the matched value, else `-1`.
   * @example
   *
   * _.indexOf([1, 2, 1, 2], 2);
   * // => 1
   *
   * // using `fromIndex`
   * _.indexOf([1, 2, 1, 2], 2, 2);
   * // => 3
   *
   * // performing a binary search
   * _.indexOf([1, 1, 2, 2], 2, true);
   * // => 2
   */
  function indexOf(array, value, fromIndex) {
    var length = array ? array.length : 0;
    if (!length) {
      return -1;
    }
    if (typeof fromIndex == 'number') {
      fromIndex = fromIndex < 0 ? nativeMax(length + fromIndex, 0) : fromIndex;
    } else if (fromIndex) {
      var index = binaryIndex(array, value),
          other = array[index];

      if (value === value ? (value === other) : (other !== other)) {
        return index;
      }
      return -1;
    }
    return baseIndexOf(array, value, fromIndex || 0);
  }

  /**
   * Creates an array of unique values that are included in all of the provided
   * arrays using [`SameValueZero`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-samevaluezero)
   * for equality comparisons.
   *
   * @static
   * @memberOf _
   * @category Array
   * @param {...Array} [arrays] The arrays to inspect.
   * @returns {Array} Returns the new array of shared values.
   * @example
   * _.intersection([1, 2], [4, 2], [2, 1]);
   * // => [2]
   */
  var intersection = restParam(function(arrays) {
    var othLength = arrays.length,
        othIndex = othLength,
        caches = Array(length),
        indexOf = getIndexOf(),
        isCommon = indexOf == baseIndexOf,
        result = [];

    while (othIndex--) {
      var value = arrays[othIndex] = isArrayLike(value = arrays[othIndex]) ? value : [];
      caches[othIndex] = (isCommon && value.length >= 120) ? createCache(othIndex && value) : null;
    }
    var array = arrays[0],
        index = -1,
        length = array ? array.length : 0,
        seen = caches[0];

    outer:
    while (++index < length) {
      value = array[index];
      if ((seen ? cacheIndexOf(seen, value) : indexOf(result, value, 0)) < 0) {
        var othIndex = othLength;
        while (--othIndex) {
          var cache = caches[othIndex];
          if ((cache ? cacheIndexOf(cache, value) : indexOf(arrays[othIndex], value, 0)) < 0) {
            continue outer;
          }
        }
        if (seen) {
          seen.push(value);
        }
        result.push(value);
      }
    }
    return result;
  });

  /**
   * Gets the last element of `array`.
   *
   * @static
   * @memberOf _
   * @category Array
   * @param {Array} array The array to query.
   * @returns {*} Returns the last element of `array`.
   * @example
   *
   * _.last([1, 2, 3]);
   * // => 3
   */
  function last(array) {
    var length = array ? array.length : 0;
    return length ? array[length - 1] : undefined;
  }

  /*------------------------------------------------------------------------*/

  /**
   * Checks if `predicate` returns truthy for **all** elements of `collection`.
   * The predicate is bound to `thisArg` and invoked with three arguments:
   * (value, index|key, collection).
   *
   * If a property name is provided for `predicate` the created `_.property`
   * style callback returns the property value of the given element.
   *
   * If a value is also provided for `thisArg` the created `_.matchesProperty`
   * style callback returns `true` for elements that have a matching property
   * value, else `false`.
   *
   * If an object is provided for `predicate` the created `_.matches` style
   * callback returns `true` for elements that have the properties of the given
   * object, else `false`.
   *
   * @static
   * @memberOf _
   * @alias all
   * @category Collection
   * @param {Array|Object|string} collection The collection to iterate over.
   * @param {Function|Object|string} [predicate=_.identity] The function invoked
   *  per iteration.
   * @param {*} [thisArg] The `this` binding of `predicate`.
   * @returns {boolean} Returns `true` if all elements pass the predicate check,
   *  else `false`.
   * @example
   *
   * _.every([true, 1, null, 'yes'], Boolean);
   * // => false
   *
   * var users = [
   *   { 'user': 'barney', 'active': false },
   *   { 'user': 'fred',   'active': false }
   * ];
   *
   * // using the `_.matches` callback shorthand
   * _.every(users, { 'user': 'barney', 'active': false });
   * // => false
   *
   * // using the `_.matchesProperty` callback shorthand
   * _.every(users, 'active', false);
   * // => true
   *
   * // using the `_.property` callback shorthand
   * _.every(users, 'active');
   * // => false
   */
  function every(collection, predicate, thisArg) {
    var func = isArray(collection) ? arrayEvery : baseEvery;
    if (thisArg && isIterateeCall(collection, predicate, thisArg)) {
      predicate = null;
    }
    if (typeof predicate != 'function' || thisArg !== undefined) {
      predicate = getCallback(predicate, thisArg, 3);
    }
    return func(collection, predicate);
  }

  /**
   * Iterates over elements of `collection`, returning the first element
   * `predicate` returns truthy for. The predicate is bound to `thisArg` and
   * invoked with three arguments: (value, index|key, collection).
   *
   * If a property name is provided for `predicate` the created `_.property`
   * style callback returns the property value of the given element.
   *
   * If a value is also provided for `thisArg` the created `_.matchesProperty`
   * style callback returns `true` for elements that have a matching property
   * value, else `false`.
   *
   * If an object is provided for `predicate` the created `_.matches` style
   * callback returns `true` for elements that have the properties of the given
   * object, else `false`.
   *
   * @static
   * @memberOf _
   * @alias detect
   * @category Collection
   * @param {Array|Object|string} collection The collection to search.
   * @param {Function|Object|string} [predicate=_.identity] The function invoked
   *  per iteration.
   * @param {*} [thisArg] The `this` binding of `predicate`.
   * @returns {*} Returns the matched element, else `undefined`.
   * @example
   *
   * var users = [
   *   { 'user': 'barney',  'age': 36, 'active': true },
   *   { 'user': 'fred',    'age': 40, 'active': false },
   *   { 'user': 'pebbles', 'age': 1,  'active': true }
   * ];
   *
   * _.result(_.find(users, function(chr) {
   *   return chr.age < 40;
   * }), 'user');
   * // => 'barney'
   *
   * // using the `_.matches` callback shorthand
   * _.result(_.find(users, { 'age': 1, 'active': true }), 'user');
   * // => 'pebbles'
   *
   * // using the `_.matchesProperty` callback shorthand
   * _.result(_.find(users, 'active', false), 'user');
   * // => 'fred'
   *
   * // using the `_.property` callback shorthand
   * _.result(_.find(users, 'active'), 'user');
   * // => 'barney'
   */
  var find = createFind(baseEach);

  /**
   * Iterates over elements of `collection` invoking `iteratee` for each element.
   * The `iteratee` is bound to `thisArg` and invoked with three arguments:
   * (value, index|key, collection). Iteratee functions may exit iteration early
   * by explicitly returning `false`.
   *
   * **Note:** As with other "Collections" methods, objects with a "length" property
   * are iterated like arrays. To avoid this behavior `_.forIn` or `_.forOwn`
   * may be used for object iteration.
   *
   * @static
   * @memberOf _
   * @alias each
   * @category Collection
   * @param {Array|Object|string} collection The collection to iterate over.
   * @param {Function} [iteratee=_.identity] The function invoked per iteration.
   * @param {*} [thisArg] The `this` binding of `iteratee`.
   * @returns {Array|Object|string} Returns `collection`.
   * @example
   *
   * _([1, 2]).forEach(function(n) {
   *   console.log(n);
   * }).value();
   * // => logs each value from left to right and returns the array
   *
   * _.forEach({ 'a': 1, 'b': 2 }, function(n, key) {
   *   console.log(n, key);
   * });
   * // => logs each value-key pair and returns the object (iteration order is not guaranteed)
   */
  var forEach = createForEach(arrayEach, baseEach);

  /**
   * Invokes the method at `path` of each element in `collection`, returning
   * an array of the results of each invoked method. Any additional arguments
   * are provided to each invoked method. If `methodName` is a function it is
   * invoked for, and `this` bound to, each element in `collection`.
   *
   * @static
   * @memberOf _
   * @category Collection
   * @param {Array|Object|string} collection The collection to iterate over.
   * @param {Array|Function|string} path The path of the method to invoke or
   *  the function invoked per iteration.
   * @param {...*} [args] The arguments to invoke the method with.
   * @returns {Array} Returns the array of results.
   * @example
   *
   * _.invoke([[5, 1, 7], [3, 2, 1]], 'sort');
   * // => [[1, 5, 7], [1, 2, 3]]
   *
   * _.invoke([123, 456], String.prototype.split, '');
   * // => [['1', '2', '3'], ['4', '5', '6']]
   */
  var invoke = restParam(function(collection, path, args) {
    var index = -1,
        isFunc = typeof path == 'function',
        isProp = isKey(path),
        result = isArrayLike(collection) ? Array(collection.length) : [];

    baseEach(collection, function(value) {
      var func = isFunc ? path : ((isProp && value != null) ? value[path] : null);
      result[++index] = func ? func.apply(value, args) : invokePath(value, path, args);
    });
    return result;
  });

  /**
   * Creates an array of values by running each element in `collection` through
   * `iteratee`. The `iteratee` is bound to `thisArg` and invoked with three
   * arguments: (value, index|key, collection).
   *
   * If a property name is provided for `iteratee` the created `_.property`
   * style callback returns the property value of the given element.
   *
   * If a value is also provided for `thisArg` the created `_.matchesProperty`
   * style callback returns `true` for elements that have a matching property
   * value, else `false`.
   *
   * If an object is provided for `iteratee` the created `_.matches` style
   * callback returns `true` for elements that have the properties of the given
   * object, else `false`.
   *
   * Many lodash methods are guarded to work as iteratees for methods like
   * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
   *
   * The guarded methods are:
   * `ary`, `callback`, `chunk`, `clone`, `create`, `curry`, `curryRight`,
   * `drop`, `dropRight`, `every`, `fill`, `flatten`, `invert`, `max`, `min`,
   * `parseInt`, `slice`, `sortBy`, `take`, `takeRight`, `template`, `trim`,
   * `trimLeft`, `trimRight`, `trunc`, `random`, `range`, `sample`, `some`,
   * `sum`, `uniq`, and `words`
   *
   * @static
   * @memberOf _
   * @alias collect
   * @category Collection
   * @param {Array|Object|string} collection The collection to iterate over.
   * @param {Function|Object|string} [iteratee=_.identity] The function invoked
   *  per iteration.
   * @param {*} [thisArg] The `this` binding of `iteratee`.
   * @returns {Array} Returns the new mapped array.
   * @example
   *
   * function timesThree(n) {
   *   return n * 3;
   * }
   *
   * _.map([1, 2], timesThree);
   * // => [3, 6]
   *
   * _.map({ 'a': 1, 'b': 2 }, timesThree);
   * // => [3, 6] (iteration order is not guaranteed)
   *
   * var users = [
   *   { 'user': 'barney' },
   *   { 'user': 'fred' }
   * ];
   *
   * // using the `_.property` callback shorthand
   * _.map(users, 'user');
   * // => ['barney', 'fred']
   */
  function map(collection, iteratee, thisArg) {
    var func = isArray(collection) ? arrayMap : baseMap;
    iteratee = getCallback(iteratee, thisArg, 3);
    return func(collection, iteratee);
  }

  /**
   * Reduces `collection` to a value which is the accumulated result of running
   * each element in `collection` through `iteratee`, where each successive
   * invocation is supplied the return value of the previous. If `accumulator`
   * is not provided the first element of `collection` is used as the initial
   * value. The `iteratee` is bound to `thisArg` and invoked with four arguments:
   * (accumulator, value, index|key, collection).
   *
   * Many lodash methods are guarded to work as iteratees for methods like
   * `_.reduce`, `_.reduceRight`, and `_.transform`.
   *
   * The guarded methods are:
   * `assign`, `defaults`, `includes`, `merge`, `sortByAll`, and `sortByOrder`
   *
   * @static
   * @memberOf _
   * @alias foldl, inject
   * @category Collection
   * @param {Array|Object|string} collection The collection to iterate over.
   * @param {Function} [iteratee=_.identity] The function invoked per iteration.
   * @param {*} [accumulator] The initial value.
   * @param {*} [thisArg] The `this` binding of `iteratee`.
   * @returns {*} Returns the accumulated value.
   * @example
   *
   * _.reduce([1, 2], function(total, n) {
   *   return total + n;
   * });
   * // => 3
   *
   * _.reduce({ 'a': 1, 'b': 2 }, function(result, n, key) {
   *   result[key] = n * 3;
   *   return result;
   * }, {});
   * // => { 'a': 3, 'b': 6 } (iteration order is not guaranteed)
   */
  var reduce = createReduce(arrayReduce, baseEach);

  /*------------------------------------------------------------------------*/

  /**
   * Gets the number of milliseconds that have elapsed since the Unix epoch
   * (1 January 1970 00:00:00 UTC).
   *
   * @static
   * @memberOf _
   * @category Date
   * @example
   *
   * _.defer(function(stamp) {
   *   console.log(_.now() - stamp);
   * }, _.now());
   * // => logs the number of milliseconds it took for the deferred function to be invoked
   */
  var now = nativeNow || function() {
    return new Date().getTime();
  };

  /*------------------------------------------------------------------------*/

  /**
   * Creates a function that invokes `func` with the `this` binding of `thisArg`
   * and prepends any additional `_.bind` arguments to those provided to the
   * bound function.
   *
   * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
   * may be used as a placeholder for partially applied arguments.
   *
   * **Note:** Unlike native `Function#bind` this method does not set the "length"
   * property of bound functions.
   *
   * @static
   * @memberOf _
   * @category Function
   * @param {Function} func The function to bind.
   * @param {*} thisArg The `this` binding of `func`.
   * @param {...*} [partials] The arguments to be partially applied.
   * @returns {Function} Returns the new bound function.
   * @example
   *
   * var greet = function(greeting, punctuation) {
   *   return greeting + ' ' + this.user + punctuation;
   * };
   *
   * var object = { 'user': 'fred' };
   *
   * var bound = _.bind(greet, object, 'hi');
   * bound('!');
   * // => 'hi fred!'
   *
   * // using placeholders
   * var bound = _.bind(greet, object, _, '!');
   * bound('hi');
   * // => 'hi fred!'
   */
  var bind = restParam(function(func, thisArg, partials) {
    var bitmask = BIND_FLAG;
    if (partials.length) {
      var holders = replaceHolders(partials, bind.placeholder);
      bitmask |= PARTIAL_FLAG;
    }
    return createWrapper(func, bitmask, thisArg, partials, holders);
  });

  /**
   * Defers invoking the `func` until the current call stack has cleared. Any
   * additional arguments are provided to `func` when it is invoked.
   *
   * @static
   * @memberOf _
   * @category Function
   * @param {Function} func The function to defer.
   * @param {...*} [args] The arguments to invoke the function with.
   * @returns {number} Returns the timer id.
   * @example
   *
   * _.defer(function(text) {
   *   console.log(text);
   * }, 'deferred');
   * // logs 'deferred' after one or more milliseconds
   */
  var defer = restParam(function(func, args) {
    return baseDelay(func, 1, args);
  });

  /**
   * Creates a function that invokes `func` with `partial` arguments prepended
   * to those provided to the new function. This method is like `_.bind` except
   * it does **not** alter the `this` binding.
   *
   * The `_.partial.placeholder` value, which defaults to `_` in monolithic
   * builds, may be used as a placeholder for partially applied arguments.
   *
   * **Note:** This method does not set the "length" property of partially
   * applied functions.
   *
   * @static
   * @memberOf _
   * @category Function
   * @param {Function} func The function to partially apply arguments to.
   * @param {...*} [partials] The arguments to be partially applied.
   * @returns {Function} Returns the new partially applied function.
   * @example
   *
   * var greet = function(greeting, name) {
   *   return greeting + ' ' + name;
   * };
   *
   * var sayHelloTo = _.partial(greet, 'hello');
   * sayHelloTo('fred');
   * // => 'hello fred'
   *
   * // using placeholders
   * var greetFred = _.partial(greet, _, 'fred');
   * greetFred('hi');
   * // => 'hi fred'
   */
  var partial = createPartial(PARTIAL_FLAG);

  /**
   * Creates a function that invokes `func` with the `this` binding of the
   * created function and arguments from `start` and beyond provided as an array.
   *
   * **Note:** This method is based on the [rest parameter](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/rest_parameters).
   *
   * @static
   * @memberOf _
   * @category Function
   * @param {Function} func The function to apply a rest parameter to.
   * @param {number} [start=func.length-1] The start position of the rest parameter.
   * @returns {Function} Returns the new function.
   * @example
   *
   * var say = _.restParam(function(what, names) {
   *   return what + ' ' + _.initial(names).join(', ') +
   *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);
   * });
   *
   * say('hello', 'fred', 'barney', 'pebbles');
   * // => 'hello fred, barney, & pebbles'
   */
  function restParam(func, start) {
    if (typeof func != 'function') {
      throw new TypeError(FUNC_ERROR_TEXT);
    }
    start = nativeMax(start === undefined ? (func.length - 1) : (+start || 0), 0);
    return function() {
      var args = arguments,
          index = -1,
          length = nativeMax(args.length - start, 0),
          rest = Array(length);

      while (++index < length) {
        rest[index] = args[start + index];
      }
      switch (start) {
        case 0: return func.call(this, rest);
        case 1: return func.call(this, args[0], rest);
        case 2: return func.call(this, args[0], args[1], rest);
      }
      var otherArgs = Array(start + 1);
      index = -1;
      while (++index < start) {
        otherArgs[index] = args[index];
      }
      otherArgs[start] = rest;
      return func.apply(this, otherArgs);
    };
  }

  /*------------------------------------------------------------------------*/

  /**
   * Creates a clone of `value`. If `isDeep` is `true` nested objects are cloned,
   * otherwise they are assigned by reference. If `customizer` is provided it is
   * invoked to produce the cloned values. If `customizer` returns `undefined`
   * cloning is handled by the method instead. The `customizer` is bound to
   * `thisArg` and invoked with two argument; (value [, index|key, object]).
   *
   * **Note:** This method is loosely based on the
   * [structured clone algorithm](http://www.w3.org/TR/html5/infrastructure.html#internal-structured-cloning-algorithm).
   * The enumerable properties of `arguments` objects and objects created by
   * constructors other than `Object` are cloned to plain `Object` objects. An
   * empty object is returned for uncloneable values such as functions, DOM nodes,
   * Maps, Sets, and WeakMaps.
   *
   * @static
   * @memberOf _
   * @category Lang
   * @param {*} value The value to clone.
   * @param {boolean} [isDeep] Specify a deep clone.
   * @param {Function} [customizer] The function to customize cloning values.
   * @param {*} [thisArg] The `this` binding of `customizer`.
   * @returns {*} Returns the cloned value.
   * @example
   *
   * var users = [
   *   { 'user': 'barney' },
   *   { 'user': 'fred' }
   * ];
   *
   * var shallow = _.clone(users);
   * shallow[0] === users[0];
   * // => true
   *
   * var deep = _.clone(users, true);
   * deep[0] === users[0];
   * // => false
   *
   * // using a customizer callback
   * var el = _.clone(document.body, function(value) {
   *   if (_.isElement(value)) {
   *     return value.cloneNode(false);
   *   }
   * });
   *
   * el === document.body
   * // => false
   * el.nodeName
   * // => BODY
   * el.childNodes.length;
   * // => 0
   */
  function clone(value, isDeep, customizer, thisArg) {
    if (isDeep && typeof isDeep != 'boolean' && isIterateeCall(value, isDeep, customizer)) {
      isDeep = false;
    }
    else if (typeof isDeep == 'function') {
      thisArg = customizer;
      customizer = isDeep;
      isDeep = false;
    }
    return typeof customizer == 'function'
      ? baseClone(value, isDeep, bindCallback(customizer, thisArg, 1))
      : baseClone(value, isDeep);
  }

  /**
   * Checks if `value` is classified as an `arguments` object.
   *
   * @static
   * @memberOf _
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
   * @example
   *
   * _.isArguments(function() { return arguments; }());
   * // => true
   *
   * _.isArguments([1, 2, 3]);
   * // => false
   */
  function isArguments(value) {
    return isObjectLike(value) && isArrayLike(value) && objToString.call(value) == argsTag;
  }

  /**
   * Checks if `value` is classified as an `Array` object.
   *
   * @static
   * @memberOf _
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
   * @example
   *
   * _.isArray([1, 2, 3]);
   * // => true
   *
   * _.isArray(function() { return arguments; }());
   * // => false
   */
  var isArray = nativeIsArray || function(value) {
    return isObjectLike(value) && isLength(value.length) && objToString.call(value) == arrayTag;
  };

  /**
   * Checks if `value` is a DOM element.
   *
   * @static
   * @memberOf _
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
   * @example
   *
   * _.isElement(document.body);
   * // => true
   *
   * _.isElement('<body>');
   * // => false
   */
  function isElement(value) {
    return !!value && value.nodeType === 1 && isObjectLike(value) &&
      (objToString.call(value).indexOf('Element') > -1);
  }
  // Fallback for environments without DOM support.
  if (!support.dom) {
    isElement = function(value) {
      return !!value && value.nodeType === 1 && isObjectLike(value) && !isPlainObject(value);
    };
  }

  /**
   * Performs a deep comparison between two values to determine if they are
   * equivalent. If `customizer` is provided it is invoked to compare values.
   * If `customizer` returns `undefined` comparisons are handled by the method
   * instead. The `customizer` is bound to `thisArg` and invoked with three
   * arguments: (value, other [, index|key]).
   *
   * **Note:** This method supports comparing arrays, booleans, `Date` objects,
   * numbers, `Object` objects, regexes, and strings. Objects are compared by
   * their own, not inherited, enumerable properties. Functions and DOM nodes
   * are **not** supported. Provide a customizer function to extend support
   * for comparing other values.
   *
   * @static
   * @memberOf _
   * @alias eq
   * @category Lang
   * @param {*} value The value to compare.
   * @param {*} other The other value to compare.
   * @param {Function} [customizer] The function to customize value comparisons.
   * @param {*} [thisArg] The `this` binding of `customizer`.
   * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
   * @example
   *
   * var object = { 'user': 'fred' };
   * var other = { 'user': 'fred' };
   *
   * object == other;
   * // => false
   *
   * _.isEqual(object, other);
   * // => true
   *
   * // using a customizer callback
   * var array = ['hello', 'goodbye'];
   * var other = ['hi', 'goodbye'];
   *
   * _.isEqual(array, other, function(value, other) {
   *   if (_.every([value, other], RegExp.prototype.test, /^h(?:i|ello)$/)) {
   *     return true;
   *   }
   * });
   * // => true
   */
  function isEqual(value, other, customizer, thisArg) {
    customizer = typeof customizer == 'function' ? bindCallback(customizer, thisArg, 3) : undefined;
    var result = customizer ? customizer(value, other) : undefined;
    return  result === undefined ? baseIsEqual(value, other, customizer) : !!result;
  }

  /**
   * Checks if `value` is classified as a `Function` object.
   *
   * @static
   * @memberOf _
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
   * @example
   *
   * _.isFunction(_);
   * // => true
   *
   * _.isFunction(/abc/);
   * // => false
   */
  var isFunction = !(baseIsFunction(/x/) || (Uint8Array && !baseIsFunction(Uint8Array))) ? baseIsFunction : function(value) {
    // The use of `Object#toString` avoids issues with the `typeof` operator
    // in older versions of Chrome and Safari which return 'function' for regexes
    // and Safari 8 equivalents which return 'object' for typed array constructors.
    return objToString.call(value) == funcTag;
  };

  /**
   * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
   * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
   *
   * @static
   * @memberOf _
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is an object, else `false`.
   * @example
   *
   * _.isObject({});
   * // => true
   *
   * _.isObject([1, 2, 3]);
   * // => true
   *
   * _.isObject(1);
   * // => false
   */
  function isObject(value) {
    // Avoid a V8 JIT bug in Chrome 19-20.
    // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
    var type = typeof value;
    return !!value && (type == 'object' || type == 'function');
  }

  /**
   * Checks if `value` is a native function.
   *
   * @static
   * @memberOf _
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is a native function, else `false`.
   * @example
   *
   * _.isNative(Array.prototype.push);
   * // => true
   *
   * _.isNative(_);
   * // => false
   */
  function isNative(value) {
    if (value == null) {
      return false;
    }
    if (objToString.call(value) == funcTag) {
      return reIsNative.test(fnToString.call(value));
    }
    return isObjectLike(value) && reIsHostCtor.test(value);
  }

  /**
   * Checks if `value` is classified as a `Number` primitive or object.
   *
   * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are classified
   * as numbers, use the `_.isFinite` method.
   *
   * @static
   * @memberOf _
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
   * @example
   *
   * _.isNumber(8.4);
   * // => true
   *
   * _.isNumber(NaN);
   * // => true
   *
   * _.isNumber('8.4');
   * // => false
   */
  function isNumber(value) {
    return typeof value == 'number' || (isObjectLike(value) && objToString.call(value) == numberTag);
  }

  /**
   * Checks if `value` is a plain object, that is, an object created by the
   * `Object` constructor or one with a `[[Prototype]]` of `null`.
   *
   * **Note:** This method assumes objects created by the `Object` constructor
   * have no inherited enumerable properties.
   *
   * @static
   * @memberOf _
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
   * @example
   *
   * function Foo() {
   *   this.a = 1;
   * }
   *
   * _.isPlainObject(new Foo);
   * // => false
   *
   * _.isPlainObject([1, 2, 3]);
   * // => false
   *
   * _.isPlainObject({ 'x': 0, 'y': 0 });
   * // => true
   *
   * _.isPlainObject(Object.create(null));
   * // => true
   */
  var isPlainObject = !getPrototypeOf ? shimIsPlainObject : function(value) {
    if (!(value && objToString.call(value) == objectTag)) {
      return false;
    }
    var valueOf = getNative(value, 'valueOf'),
        objProto = valueOf && (objProto = getPrototypeOf(valueOf)) && getPrototypeOf(objProto);

    return objProto
      ? (value == objProto || getPrototypeOf(value) == objProto)
      : shimIsPlainObject(value);
  };

  /**
   * Checks if `value` is classified as a `String` primitive or object.
   *
   * @static
   * @memberOf _
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
   * @example
   *
   * _.isString('abc');
   * // => true
   *
   * _.isString(1);
   * // => false
   */
  function isString(value) {
    return typeof value == 'string' || (isObjectLike(value) && objToString.call(value) == stringTag);
  }

  /**
   * Checks if `value` is classified as a typed array.
   *
   * @static
   * @memberOf _
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
   * @example
   *
   * _.isTypedArray(new Uint8Array);
   * // => true
   *
   * _.isTypedArray([]);
   * // => false
   */
  function isTypedArray(value) {
    return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[objToString.call(value)];
  }

  /*------------------------------------------------------------------------*/

  /**
   * Assigns own enumerable properties of source object(s) to the destination
   * object. Subsequent sources overwrite property assignments of previous sources.
   * If `customizer` is provided it is invoked to produce the assigned values.
   * The `customizer` is bound to `thisArg` and invoked with five arguments:
   * (objectValue, sourceValue, key, object, source).
   *
   * **Note:** This method mutates `object` and is based on
   * [`Object.assign`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.assign).
   *
   * @static
   * @memberOf _
   * @alias extend
   * @category Object
   * @param {Object} object The destination object.
   * @param {...Object} [sources] The source objects.
   * @param {Function} [customizer] The function to customize assigned values.
   * @param {*} [thisArg] The `this` binding of `customizer`.
   * @returns {Object} Returns `object`.
   * @example
   *
   * _.assign({ 'user': 'barney' }, { 'age': 40 }, { 'user': 'fred' });
   * // => { 'user': 'fred', 'age': 40 }
   *
   * // using a customizer callback
   * var defaults = _.partialRight(_.assign, function(value, other) {
   *   return _.isUndefined(value) ? other : value;
   * });
   *
   * defaults({ 'user': 'barney' }, { 'age': 36 }, { 'user': 'fred' });
   * // => { 'user': 'barney', 'age': 36 }
   */
  var assign = createAssigner(function(object, source, customizer) {
    return customizer
      ? assignWith(object, source, customizer)
      : baseAssign(object, source);
  });

  /**
   * Assigns own enumerable properties of source object(s) to the destination
   * object for all destination properties that resolve to `undefined`. Once a
   * property is set, additional values of the same property are ignored.
   *
   * **Note:** This method mutates `object`.
   *
   * @static
   * @memberOf _
   * @category Object
   * @param {Object} object The destination object.
   * @param {...Object} [sources] The source objects.
   * @returns {Object} Returns `object`.
   * @example
   *
   * _.defaults({ 'user': 'barney' }, { 'age': 36 }, { 'user': 'fred' });
   * // => { 'user': 'barney', 'age': 36 }
   */
  var defaults = restParam(function(args) {
    var object = args[0];
    if (object == null) {
      return object;
    }
    args.push(assignDefaults);
    return assign.apply(undefined, args);
  });

  /**
   * Creates an array of the own enumerable property names of `object`.
   *
   * **Note:** Non-object values are coerced to objects. See the
   * [ES spec](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.keys)
   * for more details.
   *
   * @static
   * @memberOf _
   * @category Object
   * @param {Object} object The object to query.
   * @returns {Array} Returns the array of property names.
   * @example
   *
   * function Foo() {
   *   this.a = 1;
   *   this.b = 2;
   * }
   *
   * Foo.prototype.c = 3;
   *
   * _.keys(new Foo);
   * // => ['a', 'b'] (iteration order is not guaranteed)
   *
   * _.keys('hi');
   * // => ['0', '1']
   */
  var keys = !nativeKeys ? shimKeys : function(object) {
    var Ctor = object == null ? null : object.constructor;
    if ((typeof Ctor == 'function' && Ctor.prototype === object) ||
        (typeof object != 'function' && isArrayLike(object))) {
      return shimKeys(object);
    }
    return isObject(object) ? nativeKeys(object) : [];
  };

  /**
   * Creates an array of the own and inherited enumerable property names of `object`.
   *
   * **Note:** Non-object values are coerced to objects.
   *
   * @static
   * @memberOf _
   * @category Object
   * @param {Object} object The object to query.
   * @returns {Array} Returns the array of property names.
   * @example
   *
   * function Foo() {
   *   this.a = 1;
   *   this.b = 2;
   * }
   *
   * Foo.prototype.c = 3;
   *
   * _.keysIn(new Foo);
   * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
   */
  function keysIn(object) {
    if (object == null) {
      return [];
    }
    if (!isObject(object)) {
      object = Object(object);
    }
    var length = object.length;
    length = (length && isLength(length) &&
      (isArray(object) || isArguments(object)) && length) || 0;

    var Ctor = object.constructor,
        index = -1,
        isProto = typeof Ctor == 'function' && Ctor.prototype === object,
        result = Array(length),
        skipIndexes = length > 0;

    while (++index < length) {
      result[index] = (index + '');
    }
    for (var key in object) {
      if (!(skipIndexes && isIndex(key, length)) &&
          !(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
        result.push(key);
      }
    }
    return result;
  }

  /**
   * The opposite of `_.pick`; this method creates an object composed of the
   * own and inherited enumerable properties of `object` that are not omitted.
   *
   * @static
   * @memberOf _
   * @category Object
   * @param {Object} object The source object.
   * @param {Function|...(string|string[])} [predicate] The function invoked per
   *  iteration or property names to omit, specified as individual property
   *  names or arrays of property names.
   * @param {*} [thisArg] The `this` binding of `predicate`.
   * @returns {Object} Returns the new object.
   * @example
   *
   * var object = { 'user': 'fred', 'age': 40 };
   *
   * _.omit(object, 'age');
   * // => { 'user': 'fred' }
   *
   * _.omit(object, _.isNumber);
   * // => { 'user': 'fred' }
   */
  var omit = restParam(function(object, props) {
    if (object == null) {
      return {};
    }
    if (typeof props[0] != 'function') {
      var props = arrayMap(baseFlatten(props), String);
      return pickByArray(object, baseDifference(keysIn(object), props));
    }
    var predicate = bindCallback(props[0], props[1], 3);
    return pickByCallback(object, function(value, key, object) {
      return !predicate(value, key, object);
    });
  });

  /**
   * Creates a two dimensional array of the key-value pairs for `object`,
   * e.g. `[[key1, value1], [key2, value2]]`.
   *
   * @static
   * @memberOf _
   * @category Object
   * @param {Object} object The object to query.
   * @returns {Array} Returns the new array of key-value pairs.
   * @example
   *
   * _.pairs({ 'barney': 36, 'fred': 40 });
   * // => [['barney', 36], ['fred', 40]] (iteration order is not guaranteed)
   */
  function pairs(object) {
    object = toObject(object);

    var index = -1,
        props = keys(object),
        length = props.length,
        result = Array(length);

    while (++index < length) {
      var key = props[index];
      result[index] = [key, object[key]];
    }
    return result;
  }

  /**
   * Creates an array of the own enumerable property values of `object`.
   *
   * **Note:** Non-object values are coerced to objects.
   *
   * @static
   * @memberOf _
   * @category Object
   * @param {Object} object The object to query.
   * @returns {Array} Returns the array of property values.
   * @example
   *
   * function Foo() {
   *   this.a = 1;
   *   this.b = 2;
   * }
   *
   * Foo.prototype.c = 3;
   *
   * _.values(new Foo);
   * // => [1, 2] (iteration order is not guaranteed)
   *
   * _.values('hi');
   * // => ['h', 'i']
   */
  function values(object) {
    return baseValues(object, keys(object));
  }

  /*------------------------------------------------------------------------*/

  /**
   * Escapes the `RegExp` special characters "\", "/", "^", "$", ".", "|", "?",
   * "*", "+", "(", ")", "[", "]", "{" and "}" in `string`.
   *
   * @static
   * @memberOf _
   * @category String
   * @param {string} [string=''] The string to escape.
   * @returns {string} Returns the escaped string.
   * @example
   *
   * _.escapeRegExp('[lodash](https://lodash.com/)');
   * // => '\[lodash\]\(https:\/\/lodash\.com\/\)'
   */
  function escapeRegExp(string) {
    string = baseToString(string);
    return (string && reHasRegExpChars.test(string))
      ? string.replace(reRegExpChars, '\\$&')
      : string;
  }

  /*------------------------------------------------------------------------*/

  /**
   * Creates a function that invokes `func` with the `this` binding of `thisArg`
   * and arguments of the created function. If `func` is a property name the
   * created callback returns the property value for a given element. If `func`
   * is an object the created callback returns `true` for elements that contain
   * the equivalent object properties, otherwise it returns `false`.
   *
   * @static
   * @memberOf _
   * @alias iteratee
   * @category Utility
   * @param {*} [func=_.identity] The value to convert to a callback.
   * @param {*} [thisArg] The `this` binding of `func`.
   * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
   * @returns {Function} Returns the callback.
   * @example
   *
   * var users = [
   *   { 'user': 'barney', 'age': 36 },
   *   { 'user': 'fred',   'age': 40 }
   * ];
   *
   * // wrap to create custom callback shorthands
   * _.callback = _.wrap(_.callback, function(callback, func, thisArg) {
   *   var match = /^(.+?)__([gl]t)(.+)$/.exec(func);
   *   if (!match) {
   *     return callback(func, thisArg);
   *   }
   *   return function(object) {
   *     return match[2] == 'gt'
   *       ? object[match[1]] > match[3]
   *       : object[match[1]] < match[3];
   *   };
   * });
   *
   * _.filter(users, 'age__gt36');
   * // => [{ 'user': 'fred', 'age': 40 }]
   */
  function callback(func, thisArg, guard) {
    if (guard && isIterateeCall(func, thisArg, guard)) {
      thisArg = null;
    }
    return isObjectLike(func)
      ? matches(func)
      : baseCallback(func, thisArg);
  }

  /**
   * Creates a function that returns `value`.
   *
   * @static
   * @memberOf _
   * @category Utility
   * @param {*} value The value to return from the new function.
   * @returns {Function} Returns the new function.
   * @example
   *
   * var object = { 'user': 'fred' };
   * var getter = _.constant(object);
   *
   * getter() === object;
   * // => true
   */
  function constant(value) {
    return function() {
      return value;
    };
  }

  /**
   * This method returns the first argument provided to it.
   *
   * @static
   * @memberOf _
   * @category Utility
   * @param {*} value Any value.
   * @returns {*} Returns `value`.
   * @example
   *
   * var object = { 'user': 'fred' };
   *
   * _.identity(object) === object;
   * // => true
   */
  function identity(value) {
    return value;
  }

  /**
   * Creates a function that performs a deep comparison between a given object
   * and `source`, returning `true` if the given object has equivalent property
   * values, else `false`.
   *
   * **Note:** This method supports comparing arrays, booleans, `Date` objects,
   * numbers, `Object` objects, regexes, and strings. Objects are compared by
   * their own, not inherited, enumerable properties. For comparing a single
   * own or inherited property value see `_.matchesProperty`.
   *
   * @static
   * @memberOf _
   * @category Utility
   * @param {Object} source The object of property values to match.
   * @returns {Function} Returns the new function.
   * @example
   *
   * var users = [
   *   { 'user': 'barney', 'age': 36, 'active': true },
   *   { 'user': 'fred',   'age': 40, 'active': false }
   * ];
   *
   * _.filter(users, _.matches({ 'age': 40, 'active': false }));
   * // => [{ 'user': 'fred', 'age': 40, 'active': false }]
   */
  function matches(source) {
    return baseMatches(baseClone(source, true));
  }

  /**
   * A no-operation function that returns `undefined` regardless of the
   * arguments it receives.
   *
   * @static
   * @memberOf _
   * @category Utility
   * @example
   *
   * var object = { 'user': 'fred' };
   *
   * _.noop(object) === undefined;
   * // => true
   */
  function noop() {
    // No operation performed.
  }

  /**
   * Creates a function that returns the property value at `path` on a
   * given object.
   *
   * @static
   * @memberOf _
   * @category Utility
   * @param {Array|string} path The path of the property to get.
   * @returns {Function} Returns the new function.
   * @example
   *
   * var objects = [
   *   { 'a': { 'b': { 'c': 2 } } },
   *   { 'a': { 'b': { 'c': 1 } } }
   * ];
   *
   * _.map(objects, _.property('a.b.c'));
   * // => [2, 1]
   *
   * _.pluck(_.sortBy(objects, _.property(['a', 'b', 'c'])), 'a.b.c');
   * // => [1, 2]
   */
  function property(path) {
    return isKey(path) ? baseProperty(path) : basePropertyDeep(path);
  }

  /**
   * Generates a unique ID. If `prefix` is provided the ID is appended to it.
   *
   * @static
   * @memberOf _
   * @category Utility
   * @param {string} [prefix] The value to prefix the ID with.
   * @returns {string} Returns the unique ID.
   * @example
   *
   * _.uniqueId('contact_');
   * // => 'contact_104'
   *
   * _.uniqueId();
   * // => '105'
   */
  function uniqueId(prefix) {
    var id = ++idCounter;
    return baseToString(prefix) + id;
  }

  /*------------------------------------------------------------------------*/

  LazyWrapper.prototype = baseCreate(baseLodash.prototype);
  LazyWrapper.prototype.constructor = LazyWrapper;

  // Add functions to the `Set` cache.
  SetCache.prototype.push = cachePush;

  // Add functions that return wrapped values when chaining.
  lodash.assign = assign;
  lodash.bind = bind;
  lodash.callback = callback;
  lodash.constant = constant;
  lodash.defaults = defaults;
  lodash.defer = defer;
  lodash.difference = difference;
  lodash.forEach = forEach;
  lodash.intersection = intersection;
  lodash.invoke = invoke;
  lodash.keys = keys;
  lodash.keysIn = keysIn;
  lodash.map = map;
  lodash.matches = matches;
  lodash.omit = omit;
  lodash.pairs = pairs;
  lodash.partial = partial;
  lodash.property = property;
  lodash.restParam = restParam;
  lodash.values = values;

  // Add aliases.
  lodash.collect = map;
  lodash.each = forEach;
  lodash.extend = assign;
  lodash.iteratee = callback;

  /*------------------------------------------------------------------------*/

  // Add functions that return unwrapped values when chaining.
  lodash.clone = clone;
  lodash.escapeRegExp = escapeRegExp;
  lodash.every = every;
  lodash.find = find;
  lodash.identity = identity;
  lodash.indexOf = indexOf;
  lodash.isArguments = isArguments;
  lodash.isArray = isArray;
  lodash.isElement = isElement;
  lodash.isEqual = isEqual;
  lodash.isFunction = isFunction;
  lodash.isNative = isNative;
  lodash.isNumber = isNumber;
  lodash.isObject = isObject;
  lodash.isPlainObject = isPlainObject;
  lodash.isString = isString;
  lodash.isTypedArray = isTypedArray;
  lodash.last = last;
  lodash.noop = noop;
  lodash.now = now;
  lodash.reduce = reduce;
  lodash.uniqueId = uniqueId;

  // Add aliases.
  lodash.all = every;
  lodash.eq = isEqual;
  lodash.detect = find;
  lodash.foldl = reduce;
  lodash.inject = reduce;

  /*------------------------------------------------------------------------*/

  /**
   * The semantic version number.
   *
   * @static
   * @memberOf _
   * @type string
   */
  lodash.VERSION = VERSION;

  // Assign default placeholders.
  arrayEach(['bind', 'partial'], function(methodName) {
    lodash[methodName].placeholder = lodash;
  });

  /*--------------------------------------------------------------------------*/

  // Some AMD build optimizers like r.js check for condition patterns like the following:
  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {
    // Expose lodash to the global object when an AMD loader is present to avoid
    // errors in cases where lodash is loaded by a script tag and not intended
    // as an AMD module. See http://requirejs.org/docs/errors.html#mismatch for
    // more details.
    root._ = lodash;

    // Define as an anonymous module so, through path mapping, it can be
    // referenced as the "underscore" module.
    define(function() {
      return lodash;
    });
  }
  // Check for `exports` after `define` in case a build optimizer adds an `exports` object.
  else if (freeExports && freeModule) {
    // Export for Node.js or RingoJS.
    if (moduleExports) {
      (freeModule.exports = lodash)._ = lodash;
    }
    // Export for Rhino with CommonJS support.
    else {
      freeExports._ = lodash;
    }
  }
  else {
    // Export for a browser or Rhino.
    root._ = lodash;
  }
}.call(this));

}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],2:[function(_dereq_,module,exports){
/*!
 * EventEmitter2
 * https://github.com/hij1nx/EventEmitter2
 *
 * Copyright (c) 2013 hij1nx
 * Licensed under the MIT license.
 */
;!function(undefined) {

  var isArray = Array.isArray ? Array.isArray : function _isArray(obj) {
    return Object.prototype.toString.call(obj) === "[object Array]";
  };
  var defaultMaxListeners = 10;

  function init() {
    this._events = {};
    if (this._conf) {
      configure.call(this, this._conf);
    }
  }

  function configure(conf) {
    if (conf) {

      this._conf = conf;

      conf.delimiter && (this.delimiter = conf.delimiter);
      conf.maxListeners && (this._events.maxListeners = conf.maxListeners);
      conf.wildcard && (this.wildcard = conf.wildcard);
      conf.newListener && (this.newListener = conf.newListener);

      if (this.wildcard) {
        this.listenerTree = {};
      }
    }
  }

  function EventEmitter(conf) {
    this._events = {};
    this.newListener = false;
    configure.call(this, conf);
  }

  //
  // Attention, function return type now is array, always !
  // It has zero elements if no any matches found and one or more
  // elements (leafs) if there are matches
  //
  function searchListenerTree(handlers, type, tree, i) {
    if (!tree) {
      return [];
    }
    var listeners=[], leaf, len, branch, xTree, xxTree, isolatedBranch, endReached,
        typeLength = type.length, currentType = type[i], nextType = type[i+1];
    if (i === typeLength && tree._listeners) {
      //
      // If at the end of the event(s) list and the tree has listeners
      // invoke those listeners.
      //
      if (typeof tree._listeners === 'function') {
        handlers && handlers.push(tree._listeners);
        return [tree];
      } else {
        for (leaf = 0, len = tree._listeners.length; leaf < len; leaf++) {
          handlers && handlers.push(tree._listeners[leaf]);
        }
        return [tree];
      }
    }

    if ((currentType === '*' || currentType === '**') || tree[currentType]) {
      //
      // If the event emitted is '*' at this part
      // or there is a concrete match at this patch
      //
      if (currentType === '*') {
        for (branch in tree) {
          if (branch !== '_listeners' && tree.hasOwnProperty(branch)) {
            listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i+1));
          }
        }
        return listeners;
      } else if(currentType === '**') {
        endReached = (i+1 === typeLength || (i+2 === typeLength && nextType === '*'));
        if(endReached && tree._listeners) {
          // The next element has a _listeners, add it to the handlers.
          listeners = listeners.concat(searchListenerTree(handlers, type, tree, typeLength));
        }

        for (branch in tree) {
          if (branch !== '_listeners' && tree.hasOwnProperty(branch)) {
            if(branch === '*' || branch === '**') {
              if(tree[branch]._listeners && !endReached) {
                listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], typeLength));
              }
              listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i));
            } else if(branch === nextType) {
              listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i+2));
            } else {
              // No match on this one, shift into the tree but not in the type array.
              listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i));
            }
          }
        }
        return listeners;
      }

      listeners = listeners.concat(searchListenerTree(handlers, type, tree[currentType], i+1));
    }

    xTree = tree['*'];
    if (xTree) {
      //
      // If the listener tree will allow any match for this part,
      // then recursively explore all branches of the tree
      //
      searchListenerTree(handlers, type, xTree, i+1);
    }

    xxTree = tree['**'];
    if(xxTree) {
      if(i < typeLength) {
        if(xxTree._listeners) {
          // If we have a listener on a '**', it will catch all, so add its handler.
          searchListenerTree(handlers, type, xxTree, typeLength);
        }

        // Build arrays of matching next branches and others.
        for(branch in xxTree) {
          if(branch !== '_listeners' && xxTree.hasOwnProperty(branch)) {
            if(branch === nextType) {
              // We know the next element will match, so jump twice.
              searchListenerTree(handlers, type, xxTree[branch], i+2);
            } else if(branch === currentType) {
              // Current node matches, move into the tree.
              searchListenerTree(handlers, type, xxTree[branch], i+1);
            } else {
              isolatedBranch = {};
              isolatedBranch[branch] = xxTree[branch];
              searchListenerTree(handlers, type, { '**': isolatedBranch }, i+1);
            }
          }
        }
      } else if(xxTree._listeners) {
        // We have reached the end and still on a '**'
        searchListenerTree(handlers, type, xxTree, typeLength);
      } else if(xxTree['*'] && xxTree['*']._listeners) {
        searchListenerTree(handlers, type, xxTree['*'], typeLength);
      }
    }

    return listeners;
  }

  function growListenerTree(type, listener) {

    type = typeof type === 'string' ? type.split(this.delimiter) : type.slice();

    //
    // Looks for two consecutive '**', if so, don't add the event at all.
    //
    for(var i = 0, len = type.length; i+1 < len; i++) {
      if(type[i] === '**' && type[i+1] === '**') {
        return;
      }
    }

    var tree = this.listenerTree;
    var name = type.shift();

    while (name) {

      if (!tree[name]) {
        tree[name] = {};
      }

      tree = tree[name];

      if (type.length === 0) {

        if (!tree._listeners) {
          tree._listeners = listener;
        }
        else if(typeof tree._listeners === 'function') {
          tree._listeners = [tree._listeners, listener];
        }
        else if (isArray(tree._listeners)) {

          tree._listeners.push(listener);

          if (!tree._listeners.warned) {

            var m = defaultMaxListeners;

            if (typeof this._events.maxListeners !== 'undefined') {
              m = this._events.maxListeners;
            }

            if (m > 0 && tree._listeners.length > m) {

              tree._listeners.warned = true;
              console.error('(node) warning: possible EventEmitter memory ' +
                            'leak detected. %d listeners added. ' +
                            'Use emitter.setMaxListeners() to increase limit.',
                            tree._listeners.length);
              console.trace();
            }
          }
        }
        return true;
      }
      name = type.shift();
    }
    return true;
  }

  // By default EventEmitters will print a warning if more than
  // 10 listeners are added to it. This is a useful default which
  // helps finding memory leaks.
  //
  // Obviously not all Emitters should be limited to 10. This function allows
  // that to be increased. Set to zero for unlimited.

  EventEmitter.prototype.delimiter = '.';

  EventEmitter.prototype.setMaxListeners = function(n) {
    this._events || init.call(this);
    this._events.maxListeners = n;
    if (!this._conf) this._conf = {};
    this._conf.maxListeners = n;
  };

  EventEmitter.prototype.event = '';

  EventEmitter.prototype.once = function(event, fn) {
    this.many(event, 1, fn);
    return this;
  };

  EventEmitter.prototype.many = function(event, ttl, fn) {
    var self = this;

    if (typeof fn !== 'function') {
      throw new Error('many only accepts instances of Function');
    }

    function listener() {
      if (--ttl === 0) {
        self.off(event, listener);
      }
      fn.apply(this, arguments);
    }

    listener._origin = fn;

    this.on(event, listener);

    return self;
  };

  EventEmitter.prototype.emit = function() {

    this._events || init.call(this);

    var type = arguments[0];

    if (type === 'newListener' && !this.newListener) {
      if (!this._events.newListener) { return false; }
    }

    // Loop through the *_all* functions and invoke them.
    if (this._all) {
      var l = arguments.length;
      var args = new Array(l - 1);
      for (var i = 1; i < l; i++) args[i - 1] = arguments[i];
      for (i = 0, l = this._all.length; i < l; i++) {
        this.event = type;
        this._all[i].apply(this, args);
      }
    }

    // If there is no 'error' event listener then throw.
    if (type === 'error') {

      if (!this._all &&
        !this._events.error &&
        !(this.wildcard && this.listenerTree.error)) {

        if (arguments[1] instanceof Error) {
          throw arguments[1]; // Unhandled 'error' event
        } else {
          throw new Error("Uncaught, unspecified 'error' event.");
        }
        return false;
      }
    }

    var handler;

    if(this.wildcard) {
      handler = [];
      var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();
      searchListenerTree.call(this, handler, ns, this.listenerTree, 0);
    }
    else {
      handler = this._events[type];
    }

    if (typeof handler === 'function') {
      this.event = type;
      if (arguments.length === 1) {
        handler.call(this);
      }
      else if (arguments.length > 1)
        switch (arguments.length) {
          case 2:
            handler.call(this, arguments[1]);
            break;
          case 3:
            handler.call(this, arguments[1], arguments[2]);
            break;
          // slower
          default:
            var l = arguments.length;
            var args = new Array(l - 1);
            for (var i = 1; i < l; i++) args[i - 1] = arguments[i];
            handler.apply(this, args);
        }
      return true;
    }
    else if (handler) {
      var l = arguments.length;
      var args = new Array(l - 1);
      for (var i = 1; i < l; i++) args[i - 1] = arguments[i];

      var listeners = handler.slice();
      for (var i = 0, l = listeners.length; i < l; i++) {
        this.event = type;
        listeners[i].apply(this, args);
      }
      return (listeners.length > 0) || !!this._all;
    }
    else {
      return !!this._all;
    }

  };

  EventEmitter.prototype.on = function(type, listener) {

    if (typeof type === 'function') {
      this.onAny(type);
      return this;
    }

    if (typeof listener !== 'function') {
      throw new Error('on only accepts instances of Function');
    }
    this._events || init.call(this);

    // To avoid recursion in the case that type == "newListeners"! Before
    // adding it to the listeners, first emit "newListeners".
    this.emit('newListener', type, listener);

    if(this.wildcard) {
      growListenerTree.call(this, type, listener);
      return this;
    }

    if (!this._events[type]) {
      // Optimize the case of one listener. Don't need the extra array object.
      this._events[type] = listener;
    }
    else if(typeof this._events[type] === 'function') {
      // Adding the second element, need to change to array.
      this._events[type] = [this._events[type], listener];
    }
    else if (isArray(this._events[type])) {
      // If we've already got an array, just append.
      this._events[type].push(listener);

      // Check for listener leak
      if (!this._events[type].warned) {

        var m = defaultMaxListeners;

        if (typeof this._events.maxListeners !== 'undefined') {
          m = this._events.maxListeners;
        }

        if (m > 0 && this._events[type].length > m) {

          this._events[type].warned = true;
          console.error('(node) warning: possible EventEmitter memory ' +
                        'leak detected. %d listeners added. ' +
                        'Use emitter.setMaxListeners() to increase limit.',
                        this._events[type].length);
          console.trace();
        }
      }
    }
    return this;
  };

  EventEmitter.prototype.onAny = function(fn) {

    if (typeof fn !== 'function') {
      throw new Error('onAny only accepts instances of Function');
    }

    if(!this._all) {
      this._all = [];
    }

    // Add the function to the event listener collection.
    this._all.push(fn);
    return this;
  };

  EventEmitter.prototype.addListener = EventEmitter.prototype.on;

  EventEmitter.prototype.off = function(type, listener) {
    if (typeof listener !== 'function') {
      throw new Error('removeListener only takes instances of Function');
    }

    var handlers,leafs=[];

    if(this.wildcard) {
      var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();
      leafs = searchListenerTree.call(this, null, ns, this.listenerTree, 0);
    }
    else {
      // does not use listeners(), so no side effect of creating _events[type]
      if (!this._events[type]) return this;
      handlers = this._events[type];
      leafs.push({_listeners:handlers});
    }

    for (var iLeaf=0; iLeaf<leafs.length; iLeaf++) {
      var leaf = leafs[iLeaf];
      handlers = leaf._listeners;
      if (isArray(handlers)) {

        var position = -1;

        for (var i = 0, length = handlers.length; i < length; i++) {
          if (handlers[i] === listener ||
            (handlers[i].listener && handlers[i].listener === listener) ||
            (handlers[i]._origin && handlers[i]._origin === listener)) {
            position = i;
            break;
          }
        }

        if (position < 0) {
          continue;
        }

        if(this.wildcard) {
          leaf._listeners.splice(position, 1);
        }
        else {
          this._events[type].splice(position, 1);
        }

        if (handlers.length === 0) {
          if(this.wildcard) {
            delete leaf._listeners;
          }
          else {
            delete this._events[type];
          }
        }
        return this;
      }
      else if (handlers === listener ||
        (handlers.listener && handlers.listener === listener) ||
        (handlers._origin && handlers._origin === listener)) {
        if(this.wildcard) {
          delete leaf._listeners;
        }
        else {
          delete this._events[type];
        }
      }
    }

    return this;
  };

  EventEmitter.prototype.offAny = function(fn) {
    var i = 0, l = 0, fns;
    if (fn && this._all && this._all.length > 0) {
      fns = this._all;
      for(i = 0, l = fns.length; i < l; i++) {
        if(fn === fns[i]) {
          fns.splice(i, 1);
          return this;
        }
      }
    } else {
      this._all = [];
    }
    return this;
  };

  EventEmitter.prototype.removeListener = EventEmitter.prototype.off;

  EventEmitter.prototype.removeAllListeners = function(type) {
    if (arguments.length === 0) {
      !this._events || init.call(this);
      return this;
    }

    if(this.wildcard) {
      var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();
      var leafs = searchListenerTree.call(this, null, ns, this.listenerTree, 0);

      for (var iLeaf=0; iLeaf<leafs.length; iLeaf++) {
        var leaf = leafs[iLeaf];
        leaf._listeners = null;
      }
    }
    else {
      if (!this._events[type]) return this;
      this._events[type] = null;
    }
    return this;
  };

  EventEmitter.prototype.listeners = function(type) {
    if(this.wildcard) {
      var handlers = [];
      var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();
      searchListenerTree.call(this, handlers, ns, this.listenerTree, 0);
      return handlers;
    }

    this._events || init.call(this);

    if (!this._events[type]) this._events[type] = [];
    if (!isArray(this._events[type])) {
      this._events[type] = [this._events[type]];
    }
    return this._events[type];
  };

  EventEmitter.prototype.listenersAny = function() {

    if(this._all) {
      return this._all;
    }
    else {
      return [];
    }

  };

  if (typeof define === 'function' && define.amd) {
     // AMD. Register as an anonymous module.
    define(function() {
      return EventEmitter;
    });
  } else if (typeof exports === 'object') {
    // CommonJS
    exports.EventEmitter2 = EventEmitter;
  }
  else {
    // Browser global.
    window.EventEmitter2 = EventEmitter;
  }
}();

},{}],3:[function(_dereq_,module,exports){
var diff = _dereq_('fast-diff');
var is = _dereq_('./is');
var op = _dereq_('./op');


var NULL_CHARACTER = String.fromCharCode(0);  // Placeholder char for embed in diff()


var Delta = function (ops) {
  // Assume we are given a well formed ops
  if (is.array(ops)) {
    this.ops = ops;
  } else if (is.object(ops) && is.array(ops.ops)) {
    this.ops = ops.ops;
  } else {
    this.ops = [];
  }
};


Delta.prototype.insert = function (text, attributes) {
  var newOp = {};
  if (text.length === 0) return this;
  newOp.insert = text;
  if (is.object(attributes) && Object.keys(attributes).length > 0) newOp.attributes = attributes;
  return this.push(newOp);
};

Delta.prototype['delete'] = function (length) {
  if (length <= 0) return this;
  return this.push({ 'delete': length });
};

Delta.prototype.retain = function (length, attributes) {
  if (length <= 0) return this;
  var newOp = { retain: length };
  if (is.object(attributes) && Object.keys(attributes).length > 0) newOp.attributes = attributes;
  return this.push(newOp);
};

Delta.prototype.push = function (newOp) {
  var index = this.ops.length;
  var lastOp = this.ops[index - 1];
  newOp = op.clone(newOp);
  if (is.object(lastOp)) {
    if (is.number(newOp['delete']) && is.number(lastOp['delete'])) {
      this.ops[index - 1] = { 'delete': lastOp['delete'] + newOp['delete'] };
      return this;
    }
    // Since it does not matter if we insert before or after deleting at the same index,
    // always prefer to insert first
    if (is.number(lastOp['delete']) && newOp.insert != null) {
      index -= 1;
      lastOp = this.ops[index - 1];
      if (!is.object(lastOp)) {
        this.ops.unshift(newOp);
        return this;
      }
    }
    if (is.equal(newOp.attributes, lastOp.attributes)) {
      if (is.string(newOp.insert) && is.string(lastOp.insert)) {
        this.ops[index - 1] = { insert: lastOp.insert + newOp.insert };
        if (is.object(newOp.attributes)) this.ops[index - 1].attributes = newOp.attributes
        return this;
      } else if (is.number(newOp.retain) && is.number(lastOp.retain)) {
        this.ops[index - 1] = { retain: lastOp.retain + newOp.retain };
        if (is.object(newOp.attributes)) this.ops[index - 1].attributes = newOp.attributes
        return this;
      }
    }
  }
  if (index === this.ops.length) {
    this.ops.push(newOp);
  } else {
    this.ops.splice(index, 0, newOp);
  }
  return this;
};

Delta.prototype.chop = function () {
  var lastOp = this.ops[this.ops.length - 1];
  if (lastOp && lastOp.retain && !lastOp.attributes) {
    this.ops.pop();
  }
  return this;
};

Delta.prototype.length = function () {
  return this.ops.reduce(function (length, elem) {
    return length + op.length(elem);
  }, 0);
};

Delta.prototype.slice = function (start, end) {
  start = start || 0;
  if (!is.number(end)) end = Infinity;
  var delta = new Delta();
  var iter = op.iterator(this.ops);
  var index = 0;
  while (index < end && iter.hasNext()) {
    var nextOp;
    if (index < start) {
      nextOp = iter.next(start - index);
    } else {
      nextOp = iter.next(end - index);
      delta.push(nextOp);
    }
    index += op.length(nextOp);
  }
  return delta;
};


Delta.prototype.compose = function (other) {
  var thisIter = op.iterator(this.ops);
  var otherIter = op.iterator(other.ops);
  var delta = new Delta();
  while (thisIter.hasNext() || otherIter.hasNext()) {
    if (otherIter.peekType() === 'insert') {
      delta.push(otherIter.next());
    } else if (thisIter.peekType() === 'delete') {
      delta.push(thisIter.next());
    } else {
      var length = Math.min(thisIter.peekLength(), otherIter.peekLength());
      var thisOp = thisIter.next(length);
      var otherOp = otherIter.next(length);
      if (is.number(otherOp.retain)) {
        var newOp = {};
        if (is.number(thisOp.retain)) {
          newOp.retain = length;
        } else {
          newOp.insert = thisOp.insert;
        }
        // Preserve null when composing with a retain, otherwise remove it for inserts
        var attributes = op.attributes.compose(thisOp.attributes, otherOp.attributes, is.number(thisOp.retain));
        if (attributes) newOp.attributes = attributes;
        delta.push(newOp);
      // Other op should be delete, we could be an insert or retain
      // Insert + delete cancels out
      } else if (is.number(otherOp['delete']) && is.number(thisOp.retain)) {
        delta.push(otherOp);
      }
    }
  }
  return delta.chop();
};

Delta.prototype.diff = function (other) {
  var delta = new Delta();
  if (this.ops === other.ops) {
    return delta;
  }
  var strings = [this.ops, other.ops].map(function (ops) {
    return ops.map(function (op) {
      if (op.insert != null) {
        return is.string(op.insert) ? op.insert : NULL_CHARACTER;
      }
      var prep = (ops === other.ops) ? 'on' : 'with';
      throw new Error('diff() called ' + prep + ' non-document');
    }).join('');
  });
  var diffResult = diff(strings[0], strings[1]);
  var thisIter = op.iterator(this.ops);
  var otherIter = op.iterator(other.ops);
  diffResult.forEach(function (component) {
    var length = component[1].length;
    while (length > 0) {
      var opLength = 0;
      switch (component[0]) {
        case diff.INSERT:
          opLength = Math.min(otherIter.peekLength(), length);
          delta.push(otherIter.next(opLength));
          break;
        case diff.DELETE:
          opLength = Math.min(length, thisIter.peekLength());
          thisIter.next(opLength);
          delta['delete'](opLength);
          break;
        case diff.EQUAL:
          opLength = Math.min(thisIter.peekLength(), otherIter.peekLength(), length);
          var thisOp = thisIter.next(opLength);
          var otherOp = otherIter.next(opLength);
          if (is.equal(thisOp.insert, otherOp.insert)) {
            delta.retain(opLength, op.attributes.diff(thisOp.attributes, otherOp.attributes));
          } else {
            delta.push(otherOp)['delete'](opLength);
          }
          break;
      }
      length -= opLength;
    }
  });
  return delta.chop();
};

Delta.prototype.transform = function (other, priority) {
  priority = !!priority;
  if (is.number(other)) {
    return this.transformPosition(other, priority);
  }
  var thisIter = op.iterator(this.ops);
  var otherIter = op.iterator(other.ops);
  var delta = new Delta();
  while (thisIter.hasNext() || otherIter.hasNext()) {
    if (thisIter.peekType() === 'insert' && (priority || otherIter.peekType() !== 'insert')) {
      delta.retain(op.length(thisIter.next()));
    } else if (otherIter.peekType() === 'insert') {
      delta.push(otherIter.next());
    } else {
      var length = Math.min(thisIter.peekLength(), otherIter.peekLength());
      var thisOp = thisIter.next(length);
      var otherOp = otherIter.next(length);
      if (thisOp['delete']) {
        // Our delete either makes their delete redundant or removes their retain
        continue;
      } else if (otherOp['delete']) {
        delta.push(otherOp);
      } else {
        // We retain either their retain or insert
        delta.retain(length, op.attributes.transform(thisOp.attributes, otherOp.attributes, priority));
      }
    }
  }
  return delta.chop();
};

Delta.prototype.transformPosition = function (index, priority) {
  priority = !!priority;
  var thisIter = op.iterator(this.ops);
  var offset = 0;
  while (thisIter.hasNext() && offset <= index) {
    var length = thisIter.peekLength();
    var nextType = thisIter.peekType();
    thisIter.next();
    if (nextType === 'delete') {
      index -= Math.min(length, index - offset);
      continue;
    } else if (nextType === 'insert' && (offset < index || !priority)) {
      index += length;
    }
    offset += length;
  }
  return index;
};


module.exports = Delta;

},{"./is":4,"./op":5,"fast-diff":6}],4:[function(_dereq_,module,exports){
module.exports = {
  equal: function (a, b) {
    if (a === b) return true;
    if (a == null && b == null) return true;
    if (a == null || b == null) return false;
    if (!this.object(a) || !this.object(b)) return false;
    if (Object.keys(a).length != Object.keys(b).length) return false;
    for(var key in a) {
      // Only compare one level deep
      if (a[key] !== b[key]) return false;
    }
    return true;
  },

  array: function (value) {
    return Array.isArray(value);
  },

  number: function (value) {
    if (typeof value === 'number') return true;
    if (typeof value === 'object' && Object.prototype.toString.call(value) === '[object Number]') return true;
    return false;
  },

  object: function (value) {
    if (!value) return false;
    return (typeof value === 'function' || typeof value === 'object');
  },

  string: function (value) {
    if (typeof value === 'string') return true;
    if (typeof value === 'object' && Object.prototype.toString.call(value) === '[object String]') return true;
    return false;
  }
};

},{}],5:[function(_dereq_,module,exports){
var is = _dereq_('./is');


var lib = {
  attributes: {
    clone: function (attributes, keepNull) {
      if (!is.object(attributes)) return {};
      return Object.keys(attributes).reduce(function (memo, key) {
        if (attributes[key] !== undefined && (attributes[key] !== null || keepNull)) {
          memo[key] = attributes[key];
        }
        return memo;
      }, {});
    },

    compose: function (a, b, keepNull) {
      if (!is.object(a)) a = {};
      if (!is.object(b)) b = {};
      var attributes = this.clone(b, keepNull);
      for (var key in a) {
        if (a[key] !== undefined && b[key] === undefined) {
          attributes[key] = a[key];
        }
      }
      return Object.keys(attributes).length > 0 ? attributes : undefined;
    },

    diff: function(a, b) {
      if (!is.object(a)) a = {};
      if (!is.object(b)) b = {};
      var attributes = Object.keys(a).concat(Object.keys(b)).reduce(function (attributes, key) {
        if (a[key] !== b[key]) {
          attributes[key] = b[key] === undefined ? null : b[key];
        }
        return attributes;
      }, {});
      return Object.keys(attributes).length > 0 ? attributes : undefined;
    },

    transform: function (a, b, priority) {
      if (!is.object(a)) return b;
      if (!is.object(b)) return undefined;
      if (!priority) return b;  // b simply overwrites us without priority
      var attributes = Object.keys(b).reduce(function (attributes, key) {
        if (a[key] === undefined) attributes[key] = b[key];  // null is a valid value
        return attributes;
      }, {});
      return Object.keys(attributes).length > 0 ? attributes : undefined;
    }
  },

  clone: function (op) {
    var newOp = this.attributes.clone(op);
    if (is.object(newOp.attributes)) {
      newOp.attributes = this.attributes.clone(newOp.attributes, true);
    }
    return newOp;
  },

  iterator: function (ops) {
    return new Iterator(ops);
  },

  length: function (op) {
    if (is.number(op['delete'])) {
      return op['delete'];
    } else if (is.number(op.retain)) {
      return op.retain;
    } else {
      return is.string(op.insert) ? op.insert.length : 1;
    }
  }
};


function Iterator(ops) {
  this.ops = ops;
  this.index = 0;
  this.offset = 0;
};

Iterator.prototype.hasNext = function () {
  return this.peekLength() < Infinity;
};

Iterator.prototype.next = function (length) {
  if (!length) length = Infinity;
  var nextOp = this.ops[this.index];
  if (nextOp) {
    var offset = this.offset;
    var opLength = lib.length(nextOp)
    if (length >= opLength - offset) {
      length = opLength - offset;
      this.index += 1;
      this.offset = 0;
    } else {
      this.offset += length;
    }
    if (is.number(nextOp['delete'])) {
      return { 'delete': length };
    } else {
      var retOp = {};
      if (nextOp.attributes) {
        retOp.attributes = nextOp.attributes;
      }
      if (is.number(nextOp.retain)) {
        retOp.retain = length;
      } else if (is.string(nextOp.insert)) {
        retOp.insert = nextOp.insert.substr(offset, length);
      } else {
        // offset should === 0, length should === 1
        retOp.insert = nextOp.insert;
      }
      return retOp;
    }
  } else {
    return { retain: Infinity };
  }
};

Iterator.prototype.peekLength = function () {
  if (this.ops[this.index]) {
    // Should never return 0 if our index is being managed correctly
    return lib.length(this.ops[this.index]) - this.offset;
  } else {
    return Infinity;
  }
};

Iterator.prototype.peekType = function () {
  if (this.ops[this.index]) {
    if (is.number(this.ops[this.index]['delete'])) {
      return 'delete';
    } else if (is.number(this.ops[this.index].retain)) {
      return 'retain';
    } else {
      return 'insert';
    }
  }
  return 'retain';
};


module.exports = lib;

},{"./is":4}],6:[function(_dereq_,module,exports){
/**
 * This library modifies the diff-patch-match library by Neil Fraser
 * by removing the patch and match functionality and certain advanced
 * options in the diff function. The original license is as follows:
 *
 * ===
 *
 * Diff Match and Patch
 *
 * Copyright 2006 Google Inc.
 * http://code.google.com/p/google-diff-match-patch/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


/**
 * The data structure representing a diff is an array of tuples:
 * [[DIFF_DELETE, 'Hello'], [DIFF_INSERT, 'Goodbye'], [DIFF_EQUAL, ' world.']]
 * which means: delete 'Hello', add 'Goodbye' and keep ' world.'
 */
var DIFF_DELETE = -1;
var DIFF_INSERT = 1;
var DIFF_EQUAL = 0;


/**
 * Find the differences between two texts.  Simplifies the problem by stripping
 * any common prefix or suffix off the texts before diffing.
 * @param {string} text1 Old string to be diffed.
 * @param {string} text2 New string to be diffed.
 * @return {Array} Array of diff tuples.
 */
function diff_main(text1, text2) {
  // Check for equality (speedup).
  if (text1 == text2) {
    if (text1) {
      return [[DIFF_EQUAL, text1]];
    }
    return [];
  }

  // Trim off common prefix (speedup).
  var commonlength = diff_commonPrefix(text1, text2);
  var commonprefix = text1.substring(0, commonlength);
  text1 = text1.substring(commonlength);
  text2 = text2.substring(commonlength);

  // Trim off common suffix (speedup).
  commonlength = diff_commonSuffix(text1, text2);
  var commonsuffix = text1.substring(text1.length - commonlength);
  text1 = text1.substring(0, text1.length - commonlength);
  text2 = text2.substring(0, text2.length - commonlength);

  // Compute the diff on the middle block.
  var diffs = diff_compute_(text1, text2);

  // Restore the prefix and suffix.
  if (commonprefix) {
    diffs.unshift([DIFF_EQUAL, commonprefix]);
  }
  if (commonsuffix) {
    diffs.push([DIFF_EQUAL, commonsuffix]);
  }
  diff_cleanupMerge(diffs);
  return diffs;
};


/**
 * Find the differences between two texts.  Assumes that the texts do not
 * have any common prefix or suffix.
 * @param {string} text1 Old string to be diffed.
 * @param {string} text2 New string to be diffed.
 * @return {Array} Array of diff tuples.
 */
function diff_compute_(text1, text2) {
  var diffs;

  if (!text1) {
    // Just add some text (speedup).
    return [[DIFF_INSERT, text2]];
  }

  if (!text2) {
    // Just delete some text (speedup).
    return [[DIFF_DELETE, text1]];
  }

  var longtext = text1.length > text2.length ? text1 : text2;
  var shorttext = text1.length > text2.length ? text2 : text1;
  var i = longtext.indexOf(shorttext);
  if (i != -1) {
    // Shorter text is inside the longer text (speedup).
    diffs = [[DIFF_INSERT, longtext.substring(0, i)],
             [DIFF_EQUAL, shorttext],
             [DIFF_INSERT, longtext.substring(i + shorttext.length)]];
    // Swap insertions for deletions if diff is reversed.
    if (text1.length > text2.length) {
      diffs[0][0] = diffs[2][0] = DIFF_DELETE;
    }
    return diffs;
  }

  if (shorttext.length == 1) {
    // Single character string.
    // After the previous speedup, the character can't be an equality.
    return [[DIFF_DELETE, text1], [DIFF_INSERT, text2]];
  }

  // Check to see if the problem can be split in two.
  var hm = diff_halfMatch_(text1, text2);
  if (hm) {
    // A half-match was found, sort out the return data.
    var text1_a = hm[0];
    var text1_b = hm[1];
    var text2_a = hm[2];
    var text2_b = hm[3];
    var mid_common = hm[4];
    // Send both pairs off for separate processing.
    var diffs_a = diff_main(text1_a, text2_a);
    var diffs_b = diff_main(text1_b, text2_b);
    // Merge the results.
    return diffs_a.concat([[DIFF_EQUAL, mid_common]], diffs_b);
  }

  return diff_bisect_(text1, text2);
};


/**
 * Find the 'middle snake' of a diff, split the problem in two
 * and return the recursively constructed diff.
 * See Myers 1986 paper: An O(ND) Difference Algorithm and Its Variations.
 * @param {string} text1 Old string to be diffed.
 * @param {string} text2 New string to be diffed.
 * @return {Array} Array of diff tuples.
 * @private
 */
function diff_bisect_(text1, text2) {
  // Cache the text lengths to prevent multiple calls.
  var text1_length = text1.length;
  var text2_length = text2.length;
  var max_d = Math.ceil((text1_length + text2_length) / 2);
  var v_offset = max_d;
  var v_length = 2 * max_d;
  var v1 = new Array(v_length);
  var v2 = new Array(v_length);
  // Setting all elements to -1 is faster in Chrome & Firefox than mixing
  // integers and undefined.
  for (var x = 0; x < v_length; x++) {
    v1[x] = -1;
    v2[x] = -1;
  }
  v1[v_offset + 1] = 0;
  v2[v_offset + 1] = 0;
  var delta = text1_length - text2_length;
  // If the total number of characters is odd, then the front path will collide
  // with the reverse path.
  var front = (delta % 2 != 0);
  // Offsets for start and end of k loop.
  // Prevents mapping of space beyond the grid.
  var k1start = 0;
  var k1end = 0;
  var k2start = 0;
  var k2end = 0;
  for (var d = 0; d < max_d; d++) {
    // Walk the front path one step.
    for (var k1 = -d + k1start; k1 <= d - k1end; k1 += 2) {
      var k1_offset = v_offset + k1;
      var x1;
      if (k1 == -d || (k1 != d && v1[k1_offset - 1] < v1[k1_offset + 1])) {
        x1 = v1[k1_offset + 1];
      } else {
        x1 = v1[k1_offset - 1] + 1;
      }
      var y1 = x1 - k1;
      while (x1 < text1_length && y1 < text2_length &&
             text1.charAt(x1) == text2.charAt(y1)) {
        x1++;
        y1++;
      }
      v1[k1_offset] = x1;
      if (x1 > text1_length) {
        // Ran off the right of the graph.
        k1end += 2;
      } else if (y1 > text2_length) {
        // Ran off the bottom of the graph.
        k1start += 2;
      } else if (front) {
        var k2_offset = v_offset + delta - k1;
        if (k2_offset >= 0 && k2_offset < v_length && v2[k2_offset] != -1) {
          // Mirror x2 onto top-left coordinate system.
          var x2 = text1_length - v2[k2_offset];
          if (x1 >= x2) {
            // Overlap detected.
            return diff_bisectSplit_(text1, text2, x1, y1);
          }
        }
      }
    }

    // Walk the reverse path one step.
    for (var k2 = -d + k2start; k2 <= d - k2end; k2 += 2) {
      var k2_offset = v_offset + k2;
      var x2;
      if (k2 == -d || (k2 != d && v2[k2_offset - 1] < v2[k2_offset + 1])) {
        x2 = v2[k2_offset + 1];
      } else {
        x2 = v2[k2_offset - 1] + 1;
      }
      var y2 = x2 - k2;
      while (x2 < text1_length && y2 < text2_length &&
             text1.charAt(text1_length - x2 - 1) ==
             text2.charAt(text2_length - y2 - 1)) {
        x2++;
        y2++;
      }
      v2[k2_offset] = x2;
      if (x2 > text1_length) {
        // Ran off the left of the graph.
        k2end += 2;
      } else if (y2 > text2_length) {
        // Ran off the top of the graph.
        k2start += 2;
      } else if (!front) {
        var k1_offset = v_offset + delta - k2;
        if (k1_offset >= 0 && k1_offset < v_length && v1[k1_offset] != -1) {
          var x1 = v1[k1_offset];
          var y1 = v_offset + x1 - k1_offset;
          // Mirror x2 onto top-left coordinate system.
          x2 = text1_length - x2;
          if (x1 >= x2) {
            // Overlap detected.
            return diff_bisectSplit_(text1, text2, x1, y1);
          }
        }
      }
    }
  }
  // Diff took too long and hit the deadline or
  // number of diffs equals number of characters, no commonality at all.
  return [[DIFF_DELETE, text1], [DIFF_INSERT, text2]];
};


/**
 * Given the location of the 'middle snake', split the diff in two parts
 * and recurse.
 * @param {string} text1 Old string to be diffed.
 * @param {string} text2 New string to be diffed.
 * @param {number} x Index of split point in text1.
 * @param {number} y Index of split point in text2.
 * @return {Array} Array of diff tuples.
 */
function diff_bisectSplit_(text1, text2, x, y) {
  var text1a = text1.substring(0, x);
  var text2a = text2.substring(0, y);
  var text1b = text1.substring(x);
  var text2b = text2.substring(y);

  // Compute both diffs serially.
  var diffs = diff_main(text1a, text2a);
  var diffsb = diff_main(text1b, text2b);

  return diffs.concat(diffsb);
};


/**
 * Determine the common prefix of two strings.
 * @param {string} text1 First string.
 * @param {string} text2 Second string.
 * @return {number} The number of characters common to the start of each
 *     string.
 */
function diff_commonPrefix(text1, text2) {
  // Quick check for common null cases.
  if (!text1 || !text2 || text1.charAt(0) != text2.charAt(0)) {
    return 0;
  }
  // Binary search.
  // Performance analysis: http://neil.fraser.name/news/2007/10/09/
  var pointermin = 0;
  var pointermax = Math.min(text1.length, text2.length);
  var pointermid = pointermax;
  var pointerstart = 0;
  while (pointermin < pointermid) {
    if (text1.substring(pointerstart, pointermid) ==
        text2.substring(pointerstart, pointermid)) {
      pointermin = pointermid;
      pointerstart = pointermin;
    } else {
      pointermax = pointermid;
    }
    pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);
  }
  return pointermid;
};


/**
 * Determine the common suffix of two strings.
 * @param {string} text1 First string.
 * @param {string} text2 Second string.
 * @return {number} The number of characters common to the end of each string.
 */
function diff_commonSuffix(text1, text2) {
  // Quick check for common null cases.
  if (!text1 || !text2 ||
      text1.charAt(text1.length - 1) != text2.charAt(text2.length - 1)) {
    return 0;
  }
  // Binary search.
  // Performance analysis: http://neil.fraser.name/news/2007/10/09/
  var pointermin = 0;
  var pointermax = Math.min(text1.length, text2.length);
  var pointermid = pointermax;
  var pointerend = 0;
  while (pointermin < pointermid) {
    if (text1.substring(text1.length - pointermid, text1.length - pointerend) ==
        text2.substring(text2.length - pointermid, text2.length - pointerend)) {
      pointermin = pointermid;
      pointerend = pointermin;
    } else {
      pointermax = pointermid;
    }
    pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);
  }
  return pointermid;
};


/**
 * Do the two texts share a substring which is at least half the length of the
 * longer text?
 * This speedup can produce non-minimal diffs.
 * @param {string} text1 First string.
 * @param {string} text2 Second string.
 * @return {Array.<string>} Five element Array, containing the prefix of
 *     text1, the suffix of text1, the prefix of text2, the suffix of
 *     text2 and the common middle.  Or null if there was no match.
 */
function diff_halfMatch_(text1, text2) {
  var longtext = text1.length > text2.length ? text1 : text2;
  var shorttext = text1.length > text2.length ? text2 : text1;
  if (longtext.length < 4 || shorttext.length * 2 < longtext.length) {
    return null;  // Pointless.
  }

  /**
   * Does a substring of shorttext exist within longtext such that the substring
   * is at least half the length of longtext?
   * Closure, but does not reference any external variables.
   * @param {string} longtext Longer string.
   * @param {string} shorttext Shorter string.
   * @param {number} i Start index of quarter length substring within longtext.
   * @return {Array.<string>} Five element Array, containing the prefix of
   *     longtext, the suffix of longtext, the prefix of shorttext, the suffix
   *     of shorttext and the common middle.  Or null if there was no match.
   * @private
   */
  function diff_halfMatchI_(longtext, shorttext, i) {
    // Start with a 1/4 length substring at position i as a seed.
    var seed = longtext.substring(i, i + Math.floor(longtext.length / 4));
    var j = -1;
    var best_common = '';
    var best_longtext_a, best_longtext_b, best_shorttext_a, best_shorttext_b;
    while ((j = shorttext.indexOf(seed, j + 1)) != -1) {
      var prefixLength = diff_commonPrefix(longtext.substring(i),
                                           shorttext.substring(j));
      var suffixLength = diff_commonSuffix(longtext.substring(0, i),
                                           shorttext.substring(0, j));
      if (best_common.length < suffixLength + prefixLength) {
        best_common = shorttext.substring(j - suffixLength, j) +
            shorttext.substring(j, j + prefixLength);
        best_longtext_a = longtext.substring(0, i - suffixLength);
        best_longtext_b = longtext.substring(i + prefixLength);
        best_shorttext_a = shorttext.substring(0, j - suffixLength);
        best_shorttext_b = shorttext.substring(j + prefixLength);
      }
    }
    if (best_common.length * 2 >= longtext.length) {
      return [best_longtext_a, best_longtext_b,
              best_shorttext_a, best_shorttext_b, best_common];
    } else {
      return null;
    }
  }

  // First check if the second quarter is the seed for a half-match.
  var hm1 = diff_halfMatchI_(longtext, shorttext,
                             Math.ceil(longtext.length / 4));
  // Check again based on the third quarter.
  var hm2 = diff_halfMatchI_(longtext, shorttext,
                             Math.ceil(longtext.length / 2));
  var hm;
  if (!hm1 && !hm2) {
    return null;
  } else if (!hm2) {
    hm = hm1;
  } else if (!hm1) {
    hm = hm2;
  } else {
    // Both matched.  Select the longest.
    hm = hm1[4].length > hm2[4].length ? hm1 : hm2;
  }

  // A half-match was found, sort out the return data.
  var text1_a, text1_b, text2_a, text2_b;
  if (text1.length > text2.length) {
    text1_a = hm[0];
    text1_b = hm[1];
    text2_a = hm[2];
    text2_b = hm[3];
  } else {
    text2_a = hm[0];
    text2_b = hm[1];
    text1_a = hm[2];
    text1_b = hm[3];
  }
  var mid_common = hm[4];
  return [text1_a, text1_b, text2_a, text2_b, mid_common];
};


/**
 * Reorder and merge like edit sections.  Merge equalities.
 * Any edit section can move as long as it doesn't cross an equality.
 * @param {Array} diffs Array of diff tuples.
 */
function diff_cleanupMerge(diffs) {
  diffs.push([DIFF_EQUAL, '']);  // Add a dummy entry at the end.
  var pointer = 0;
  var count_delete = 0;
  var count_insert = 0;
  var text_delete = '';
  var text_insert = '';
  var commonlength;
  while (pointer < diffs.length) {
    switch (diffs[pointer][0]) {
      case DIFF_INSERT:
        count_insert++;
        text_insert += diffs[pointer][1];
        pointer++;
        break;
      case DIFF_DELETE:
        count_delete++;
        text_delete += diffs[pointer][1];
        pointer++;
        break;
      case DIFF_EQUAL:
        // Upon reaching an equality, check for prior redundancies.
        if (count_delete + count_insert > 1) {
          if (count_delete !== 0 && count_insert !== 0) {
            // Factor out any common prefixies.
            commonlength = diff_commonPrefix(text_insert, text_delete);
            if (commonlength !== 0) {
              if ((pointer - count_delete - count_insert) > 0 &&
                  diffs[pointer - count_delete - count_insert - 1][0] ==
                  DIFF_EQUAL) {
                diffs[pointer - count_delete - count_insert - 1][1] +=
                    text_insert.substring(0, commonlength);
              } else {
                diffs.splice(0, 0, [DIFF_EQUAL,
                                    text_insert.substring(0, commonlength)]);
                pointer++;
              }
              text_insert = text_insert.substring(commonlength);
              text_delete = text_delete.substring(commonlength);
            }
            // Factor out any common suffixies.
            commonlength = diff_commonSuffix(text_insert, text_delete);
            if (commonlength !== 0) {
              diffs[pointer][1] = text_insert.substring(text_insert.length -
                  commonlength) + diffs[pointer][1];
              text_insert = text_insert.substring(0, text_insert.length -
                  commonlength);
              text_delete = text_delete.substring(0, text_delete.length -
                  commonlength);
            }
          }
          // Delete the offending records and add the merged ones.
          if (count_delete === 0) {
            diffs.splice(pointer - count_insert,
                count_delete + count_insert, [DIFF_INSERT, text_insert]);
          } else if (count_insert === 0) {
            diffs.splice(pointer - count_delete,
                count_delete + count_insert, [DIFF_DELETE, text_delete]);
          } else {
            diffs.splice(pointer - count_delete - count_insert,
                count_delete + count_insert, [DIFF_DELETE, text_delete],
                [DIFF_INSERT, text_insert]);
          }
          pointer = pointer - count_delete - count_insert +
                    (count_delete ? 1 : 0) + (count_insert ? 1 : 0) + 1;
        } else if (pointer !== 0 && diffs[pointer - 1][0] == DIFF_EQUAL) {
          // Merge this equality with the previous one.
          diffs[pointer - 1][1] += diffs[pointer][1];
          diffs.splice(pointer, 1);
        } else {
          pointer++;
        }
        count_insert = 0;
        count_delete = 0;
        text_delete = '';
        text_insert = '';
        break;
    }
  }
  if (diffs[diffs.length - 1][1] === '') {
    diffs.pop();  // Remove the dummy entry at the end.
  }

  // Second pass: look for single edits surrounded on both sides by equalities
  // which can be shifted sideways to eliminate an equality.
  // e.g: A<ins>BA</ins>C -> <ins>AB</ins>AC
  var changes = false;
  pointer = 1;
  // Intentionally ignore the first and last element (don't need checking).
  while (pointer < diffs.length - 1) {
    if (diffs[pointer - 1][0] == DIFF_EQUAL &&
        diffs[pointer + 1][0] == DIFF_EQUAL) {
      // This is a single edit surrounded by equalities.
      if (diffs[pointer][1].substring(diffs[pointer][1].length -
          diffs[pointer - 1][1].length) == diffs[pointer - 1][1]) {
        // Shift the edit over the previous equality.
        diffs[pointer][1] = diffs[pointer - 1][1] +
            diffs[pointer][1].substring(0, diffs[pointer][1].length -
                                        diffs[pointer - 1][1].length);
        diffs[pointer + 1][1] = diffs[pointer - 1][1] + diffs[pointer + 1][1];
        diffs.splice(pointer - 1, 1);
        changes = true;
      } else if (diffs[pointer][1].substring(0, diffs[pointer + 1][1].length) ==
          diffs[pointer + 1][1]) {
        // Shift the edit over the next equality.
        diffs[pointer - 1][1] += diffs[pointer + 1][1];
        diffs[pointer][1] =
            diffs[pointer][1].substring(diffs[pointer + 1][1].length) +
            diffs[pointer + 1][1];
        diffs.splice(pointer + 1, 1);
        changes = true;
      }
    }
    pointer++;
  }
  // If shifts were made, the diff needs reordering and another shift sweep.
  if (changes) {
    diff_cleanupMerge(diffs);
  }
};


var diff = diff_main;
diff.INSERT = DIFF_INSERT;
diff.DELETE = DIFF_DELETE;
diff.EQUAL = DIFF_EQUAL;


module.exports = diff;

},{}],7:[function(_dereq_,module,exports){
module.exports={"version":"0.19.14"}
},{}],8:[function(_dereq_,module,exports){
var Delta, Document, Format, Line, LinkedList, Normalizer, _, dom;

_ = _dereq_('lodash');

Delta = _dereq_('rich-text/lib/delta');

dom = _dereq_('../lib/dom');

Format = _dereq_('./format');

Line = _dereq_('./line');

LinkedList = _dereq_('../lib/linked-list');

Normalizer = _dereq_('./normalizer');

Document = (function() {
  function Document(root, options) {
    this.root = root;
    if (options == null) {
      options = {};
    }
    this.normalizer = new Normalizer();
    this.formats = {};
    _.each(options.formats, _.bind(this.addFormat, this));
    this.setHTML(this.root.innerHTML);
  }

  Document.prototype.addFormat = function(name, config) {
    if (!_.isObject(config)) {
      config = Format.FORMATS[name];
    }
    if (this.formats[name] != null) {
      console.warn('Overwriting format', name, this.formats[name]);
    }
    this.formats[name] = new Format(config);
    return this.normalizer.addFormat(config);
  };

  Document.prototype.appendLine = function(lineNode) {
    return this.insertLineBefore(lineNode, null);
  };

  Document.prototype.findLeafAt = function(index, inclusive) {
    var line, offset, ref;
    ref = this.findLineAt(index), line = ref[0], offset = ref[1];
    if (line != null) {
      return line.findLeafAt(offset, inclusive);
    } else {
      return [void 0, offset];
    }
  };

  Document.prototype.findLine = function(node) {
    var line;
    while ((node != null) && (dom.BLOCK_TAGS[node.tagName] == null)) {
      node = node.parentNode;
    }
    line = node != null ? dom(node).data(Line.DATA_KEY) : void 0;
    if ((line != null ? line.node : void 0) === node) {
      return line;
    } else {
      return void 0;
    }
  };

  Document.prototype.findLineAt = function(index) {
    var curLine, length;
    if (!(this.lines.length > 0)) {
      return [void 0, index];
    }
    length = this.toDelta().length();
    if (index === length) {
      return [this.lines.last, this.lines.last.length];
    }
    if (index > length) {
      return [void 0, index - length];
    }
    curLine = this.lines.first;
    while (curLine != null) {
      if (index < curLine.length) {
        return [curLine, index];
      }
      index -= curLine.length;
      curLine = curLine.next;
    }
    return [void 0, index];
  };

  Document.prototype.getHTML = function() {
    return this.root.innerHTML.replace(/\>\s+\</g, '>&nbsp;<');
  };

  Document.prototype.insertLineBefore = function(newLineNode, refLine) {
    var line;
    line = new Line(this, newLineNode);
    if (refLine != null) {
      if (!dom(newLineNode.parentNode).isElement()) {
        this.root.insertBefore(newLineNode, refLine.node);
      }
      this.lines.insertAfter(refLine.prev, line);
    } else {
      if (!dom(newLineNode.parentNode).isElement()) {
        this.root.appendChild(newLineNode);
      }
      this.lines.append(line);
    }
    return line;
  };

  Document.prototype.mergeLines = function(line, lineToMerge) {
    if (lineToMerge.length > 1) {
      if (line.length === 1) {
        dom(line.leaves.last.node).remove();
      }
      _.each(dom(lineToMerge.node).childNodes(), function(child) {
        if (child.tagName !== dom.DEFAULT_BREAK_TAG) {
          return line.node.appendChild(child);
        }
      });
    }
    this.removeLine(lineToMerge);
    return line.rebuild();
  };

  Document.prototype.optimizeLines = function() {
    return _.each(this.lines.toArray(), function(line, i) {
      line.optimize();
      return true;
    });
  };

  Document.prototype.rebuild = function() {
    var lineNode, lines, results;
    lines = this.lines.toArray();
    lineNode = this.root.firstChild;
    if ((lineNode != null) && (dom.LIST_TAGS[lineNode.tagName] != null)) {
      lineNode = lineNode.firstChild;
    }
    _.each(lines, (function(_this) {
      return function(line, index) {
        var newLine, ref;
        while (line.node !== lineNode) {
          if (line.node.parentNode === _this.root || ((ref = line.node.parentNode) != null ? ref.parentNode : void 0) === _this.root) {
            lineNode = _this.normalizer.normalizeLine(lineNode);
            newLine = _this.insertLineBefore(lineNode, line);
            lineNode = dom(lineNode).nextLineNode(_this.root);
          } else {
            return _this.removeLine(line);
          }
        }
        if (line.outerHTML !== lineNode.outerHTML) {
          line.node = _this.normalizer.normalizeLine(line.node);
          line.rebuild();
        }
        return lineNode = dom(lineNode).nextLineNode(_this.root);
      };
    })(this));
    results = [];
    while (lineNode != null) {
      lineNode = this.normalizer.normalizeLine(lineNode);
      this.appendLine(lineNode);
      results.push(lineNode = dom(lineNode).nextLineNode(this.root));
    }
    return results;
  };

  Document.prototype.removeLine = function(line) {
    if (line.node.parentNode != null) {
      if (dom.LIST_TAGS[line.node.parentNode.tagName] && line.node.parentNode.childNodes.length === 1) {
        dom(line.node.parentNode).remove();
      } else {
        dom(line.node).remove();
      }
    }
    return this.lines.remove(line);
  };

  Document.prototype.setHTML = function(html) {
    html = Normalizer.stripComments(html);
    html = Normalizer.stripWhitespace(html);
    this.root.innerHTML = html;
    this.lines = new LinkedList();
    return this.rebuild();
  };

  Document.prototype.splitLine = function(line, offset) {
    var lineNode1, lineNode2, newLine, ref;
    offset = Math.min(offset, line.length - 1);
    ref = dom(line.node).split(offset, true), lineNode1 = ref[0], lineNode2 = ref[1];
    line.node = lineNode1;
    line.rebuild();
    newLine = this.insertLineBefore(lineNode2, line.next);
    newLine.formats = _.clone(line.formats);
    newLine.resetContent();
    return newLine;
  };

  Document.prototype.toDelta = function() {
    var delta, lines;
    lines = this.lines.toArray();
    delta = new Delta();
    _.each(lines, function(line) {
      return _.each(line.delta.ops, function(op) {
        return delta.push(op);
      });
    });
    return delta;
  };

  return Document;

})();

module.exports = Document;


},{"../lib/dom":17,"../lib/linked-list":18,"./format":10,"./line":12,"./normalizer":13,"lodash":1,"rich-text/lib/delta":3}],9:[function(_dereq_,module,exports){
var Delta, Document, Editor, Line, Selection, _, dom;

_ = _dereq_('lodash');

Delta = _dereq_('rich-text/lib/delta');

dom = _dereq_('../lib/dom');

Document = _dereq_('./document');

Line = _dereq_('./line');

Selection = _dereq_('./selection');

Editor = (function() {
  Editor.sources = {
    API: 'api',
    SILENT: 'silent',
    USER: 'user'
  };

  function Editor(root, quill, options) {
    this.root = root;
    this.quill = quill;
    this.options = options != null ? options : {};
    this.root.setAttribute('id', this.options.id);
    this.doc = new Document(this.root, this.options);
    this.delta = this.doc.toDelta();
    this.length = this.delta.length();
    this.selection = new Selection(this.doc, this.quill);
    this.timer = setInterval(_.bind(this.checkUpdate, this), this.options.pollInterval);
    this.savedRange = null;
    this.quill.on("selection-change", (function(_this) {
      return function(range) {
        return _this.savedRange = range;
      };
    })(this));
    if (!this.options.readOnly) {
      this.enable();
    }
  }

  Editor.prototype.destroy = function() {
    return clearInterval(this.timer);
  };

  Editor.prototype.disable = function() {
    return this.enable(false);
  };

  Editor.prototype.enable = function(enabled) {
    if (enabled == null) {
      enabled = true;
    }
    return this.root.setAttribute('contenteditable', enabled);
  };

  Editor.prototype.applyDelta = function(delta, source) {
    var localDelta;
    localDelta = this._update();
    if (localDelta) {
      delta = localDelta.transform(delta, true);
      localDelta = delta.transform(localDelta, false);
    }
    if (delta.ops.length > 0) {
      delta = this._trackDelta((function(_this) {
        return function() {
          var index;
          index = 0;
          _.each(delta.ops, function(op) {
            if (_.isString(op.insert)) {
              _this._insertAt(index, op.insert, op.attributes);
              return index += op.insert.length;
            } else if (_.isNumber(op.insert)) {
              _this._insertEmbed(index, op.attributes);
              return index += 1;
            } else if (_.isNumber(op["delete"])) {
              return _this._deleteAt(index, op["delete"]);
            } else if (_.isNumber(op.retain)) {
              _.each(op.attributes, function(value, name) {
                return _this._formatAt(index, op.retain, name, value);
              });
              return index += op.retain;
            }
          });
          return _this.selection.shiftAfter(0, 0, _.bind(_this.doc.optimizeLines, _this.doc));
        };
      })(this));
      this.delta = this.doc.toDelta();
      this.length = this.delta.length();
      this.innerHTML = this.root.innerHTML;
      if (delta && source !== Editor.sources.SILENT) {
        this.quill.emit(this.quill.constructor.events.TEXT_CHANGE, delta, source);
      }
    }
    if (localDelta && localDelta.ops.length > 0 && source !== Editor.sources.SILENT) {
      return this.quill.emit(this.quill.constructor.events.TEXT_CHANGE, localDelta, Editor.sources.USER);
    }
  };

  Editor.prototype.checkUpdate = function(source) {
    var delta;
    if (source == null) {
      source = 'user';
    }
    if (this.root.parentNode == null) {
      return clearInterval(this.timer);
    }
    delta = this._update();
    if (delta) {
      this.delta = this.delta.compose(delta);
      this.length = this.delta.length();
      this.quill.emit(this.quill.constructor.events.TEXT_CHANGE, delta, source);
    }
    if (delta) {
      source = Editor.sources.SILENT;
    }
    return this.selection.update(source);
  };

  Editor.prototype.focus = function() {
    if (this.selection.range != null) {
      return this.selection.setRange(this.selection.range);
    } else {
      return this.root.focus();
    }
  };

  Editor.prototype.getBounds = function(index) {
    var bounds, containerBounds, leaf, offset, range, ref, side;
    this.checkUpdate();
    ref = this.doc.findLeafAt(index, true), leaf = ref[0], offset = ref[1];
    if (leaf == null) {
      throw new Error('Invalid index');
    }
    containerBounds = this.root.parentNode.getBoundingClientRect();
    side = 'left';
    if (leaf.length === 0) {
      bounds = leaf.node.parentNode.getBoundingClientRect();
    } else if (dom.VOID_TAGS[leaf.node.tagName]) {
      bounds = leaf.node.getBoundingClientRect();
      if (offset === 1) {
        side = 'right';
      }
    } else {
      range = document.createRange();
      if (offset < leaf.length) {
        range.setStart(leaf.node, offset);
        range.setEnd(leaf.node, offset + 1);
      } else {
        range.setStart(leaf.node, offset - 1);
        range.setEnd(leaf.node, offset);
        side = 'right';
      }
      bounds = range.getBoundingClientRect();
    }
    return {
      height: bounds.height,
      left: bounds[side] - containerBounds.left,
      top: bounds.top - containerBounds.top
    };
  };

  Editor.prototype._deleteAt = function(index, length) {
    if (length <= 0) {
      return;
    }
    return this.selection.shiftAfter(index, -1 * length, (function(_this) {
      return function() {
        var curLine, deleteLength, firstLine, mergeFirstLine, nextLine, offset, ref;
        ref = _this.doc.findLineAt(index), firstLine = ref[0], offset = ref[1];
        curLine = firstLine;
        mergeFirstLine = firstLine.length - offset <= length && offset > 0;
        while ((curLine != null) && length > 0) {
          nextLine = curLine.next;
          deleteLength = Math.min(curLine.length - offset, length);
          if (offset === 0 && length >= curLine.length) {
            _this.doc.removeLine(curLine);
          } else {
            curLine.deleteText(offset, deleteLength);
          }
          length -= deleteLength;
          curLine = nextLine;
          offset = 0;
        }
        if (mergeFirstLine && firstLine.next) {
          return _this.doc.mergeLines(firstLine, firstLine.next);
        }
      };
    })(this));
  };

  Editor.prototype._formatAt = function(index, length, name, value) {
    return this.selection.shiftAfter(index, 0, (function(_this) {
      return function() {
        var formatLength, line, offset, ref, results;
        ref = _this.doc.findLineAt(index), line = ref[0], offset = ref[1];
        results = [];
        while ((line != null) && length > 0) {
          formatLength = Math.min(length, line.length - offset - 1);
          if (name == 'link') {
            line.formatText(offset, formatLength, name, value, _this.options.modules['link-tooltip'].target);
          } else {
            line.formatText(offset, formatLength, name, value);
          }
          length -= formatLength;
          if (length > 0) {
            line.format(name, value);
          }
          length -= 1;
          offset = 0;
          results.push(line = line.next);
        }
        return results;
      };
    })(this));
  };

  Editor.prototype._insertEmbed = function(index, attributes) {
    return this.selection.shiftAfter(index, 1, (function(_this) {
      return function() {
        var line, offset, ref;
        ref = _this.doc.findLineAt(index), line = ref[0], offset = ref[1];
        return line.insertEmbed(offset, attributes);
      };
    })(this));
  };

  Editor.prototype._insertAt = function(index, text, formatting) {
    if (formatting == null) {
      formatting = {};
    }
    return this.selection.shiftAfter(index, text.length, (function(_this) {
      return function() {
        var line, lineTexts, offset, ref;
        text = text.replace(/\r\n?/g, '\n');
        lineTexts = text.split('\n');
        ref = _this.doc.findLineAt(index), line = ref[0], offset = ref[1];
        return _.each(lineTexts, function(lineText, i) {
          var nextLine;
          if ((line == null) || line.length <= offset) {
            if (i < lineTexts.length - 1 || lineText.length > 0) {
              line = _this.doc.appendLine(document.createElement(dom.DEFAULT_BLOCK_TAG));
              offset = 0;
              line.insertText(offset, lineText, formatting);
              line.format(formatting);
              nextLine = null;
            }
          } else {
            line.insertText(offset, lineText, formatting);
            if (i < lineTexts.length - 1) {
              nextLine = _this.doc.splitLine(line, offset + lineText.length);
              _.each(_.defaults({}, formatting, line.formats), function(value, format) {
                return line.format(format, formatting[format]);
              });
              offset = 0;
            }
          }
          return line = nextLine;
        });
      };
    })(this));
  };

  Editor.prototype._trackDelta = function(fn) {
    var ignored, newDelta, newIndex, newLeftDelta, newRightDelta, oldIndex, oldLeftDelta, oldRightDelta, ref, ref1;
    oldIndex = (ref = this.savedRange) != null ? ref.start : void 0;
    fn();
    newDelta = this.doc.toDelta();
    this.savedRange = this.selection.getRange();
    newIndex = (ref1 = this.savedRange) != null ? ref1.start : void 0;
    try {
      if ((oldIndex != null) && (newIndex != null) && oldIndex <= this.delta.length() && newIndex <= newDelta.length()) {
        oldRightDelta = this.delta.slice(oldIndex);
        newRightDelta = newDelta.slice(newIndex);
        if (_.isEqual(oldRightDelta.ops, newRightDelta.ops)) {
          oldLeftDelta = this.delta.slice(0, oldIndex);
          newLeftDelta = newDelta.slice(0, newIndex);
          return oldLeftDelta.diff(newLeftDelta);
        }
      }
    } catch (_error) {
      ignored = _error;
    }
    return this.delta.diff(newDelta);
  };

  Editor.prototype._update = function() {
    var delta;
    if (this.innerHTML === this.root.innerHTML) {
      return false;
    }
    delta = this._trackDelta((function(_this) {
      return function() {
        _this.selection.preserve(_.bind(_this.doc.rebuild, _this.doc));
        return _this.selection.shiftAfter(0, 0, _.bind(_this.doc.optimizeLines, _this.doc));
      };
    })(this));
    this.innerHTML = this.root.innerHTML;
    if (delta.ops.length > 0) {
      return delta;
    } else {
      return false;
    }
  };

  return Editor;

})();

module.exports = Editor;


},{"../lib/dom":17,"./document":8,"./line":12,"./selection":14,"lodash":1,"rich-text/lib/delta":3}],10:[function(_dereq_,module,exports){
var Format, _, dom;

_ = _dereq_('lodash');

dom = _dereq_('../lib/dom');

Format = (function() {
  Format.types = {
    LINE: 'line',
    EMBED: 'embed'
  };

  Format.FORMATS = {
    bold: {
      tag: 'B',
      prepare: 'bold'
    },
    italic: {
      tag: 'I',
      prepare: 'italic'
    },
    underline: {
      tag: 'U',
      prepare: 'underline'
    },
    strike: {
      tag: 'S',
      prepare: 'strikeThrough'
    },
    color: {
      style: 'color',
      "default": 'rgb(0, 0, 0)',
      prepare: 'foreColor'
    },
    background: {
      style: 'backgroundColor',
      "default": 'rgb(255, 255, 255)',
      prepare: 'backColor'
    },
    font: {
      style: 'fontFamily',
      "default": "'Helvetica', 'Arial', sans-serif",
      prepare: 'fontName'
    },
    size: {
      style: 'fontSize',
      "default": '13px',
      prepare: function(value) {
        return document.execCommand('fontSize', false, dom.convertFontSize(value));
      }
    },
    link: {
      tag: 'A',
      add: function(node, value, target) {
        node.setAttribute('href', value);
        node.setAttribute('target', target);
        return node;
      },
      remove: function(node) {
        node.removeAttribute('href');
        return node;
      },
      value: function(node) {
        return node.getAttribute('href');
      }
    },
    image: {
      type: Format.types.EMBED,
      tag: 'IMG',
      attribute: 'src'
    },
    align: {
      type: Format.types.LINE,
      style: 'textAlign',
      "default": 'left'
    },
    bullet: {
      type: Format.types.LINE,
      exclude: 'list',
      parentTag: 'UL',
      tag: 'LI'
    },
    list: {
      type: Format.types.LINE,
      exclude: 'bullet',
      parentTag: 'OL',
      tag: 'LI'
    }
  };

  function Format(config) {
    this.config = config;
  }

  Format.prototype.add = function(node, value, target) {
    var formatNode, inline, parentNode, ref, ref1;
    if (!value) {
      return this.remove(node);
    }
    if (this.value(node) === value) {
      return node;
    }
    if (_.isString(this.config.parentTag)) {
      parentNode = document.createElement(this.config.parentTag);
      dom(node).wrap(parentNode);
      if (node.parentNode.tagName === ((ref = node.parentNode.previousSibling) != null ? ref.tagName : void 0)) {
        dom(node.parentNode.previousSibling).merge(node.parentNode);
      }
      if (node.parentNode.tagName === ((ref1 = node.parentNode.nextSibling) != null ? ref1.tagName : void 0)) {
        dom(node.parentNode).merge(node.parentNode.nextSibling);
      }
    }
    if (_.isString(this.config.tag)) {
      formatNode = document.createElement(this.config.tag);
      if (dom.VOID_TAGS[formatNode.tagName] != null) {
        if (node.parentNode != null) {
          dom(node).replace(formatNode);
        }
        node = formatNode;
      } else if (this.isType(Format.types.LINE)) {
        node = dom(node).switchTag(this.config.tag);
      } else {
        dom(node).wrap(formatNode);
        node = formatNode;
      }
    }
    if (_.isString(this.config.style) || _.isString(this.config.attribute) || _.isString(this.config["class"])) {
      if (_.isString(this.config["class"])) {
        node = this.remove(node);
      }
      if (dom(node).isTextNode()) {
        inline = document.createElement(dom.DEFAULT_INLINE_TAG);
        dom(node).wrap(inline);
        node = inline;
      }
      if (_.isString(this.config.style)) {
        if (value !== this.config["default"]) {
          node.style[this.config.style] = value;
        }
      }
      if (_.isString(this.config.attribute)) {
        node.setAttribute(this.config.attribute, value);
      }
      if (_.isString(this.config["class"])) {
        dom(node).addClass(this.config["class"] + value);
      }
    }
    if (_.isFunction(this.config.add)) {
      node = this.config.add(node, value, target);
    }
    return node;
  };

  Format.prototype.isType = function(type) {
    return type === this.config.type;
  };

  Format.prototype.match = function(node) {
    var c, i, len, ref, ref1;
    if (!dom(node).isElement()) {
      return false;
    }
    if (_.isString(this.config.parentTag) && ((ref = node.parentNode) != null ? ref.tagName : void 0) !== this.config.parentTag) {
      return false;
    }
    if (_.isString(this.config.tag) && node.tagName !== this.config.tag) {
      return false;
    }
    if (_.isString(this.config.style) && (!node.style[this.config.style] || node.style[this.config.style] === this.config["default"])) {
      return false;
    }
    if (_.isString(this.config.attribute) && !node.hasAttribute(this.config.attribute)) {
      return false;
    }
    if (_.isString(this.config["class"])) {
      ref1 = dom(node).classes();
      for (i = 0, len = ref1.length; i < len; i++) {
        c = ref1[i];
        if (c.indexOf(this.config["class"]) === 0) {
          return true;
        }
      }
      return false;
    }
    return true;
  };

  Format.prototype.prepare = function(value) {
    if (_.isString(this.config.prepare)) {
      return document.execCommand(this.config.prepare, false, value);
    } else if (_.isFunction(this.config.prepare)) {
      return this.config.prepare(value);
    }
  };

  Format.prototype.remove = function(node) {
    var c, i, len, ref;
    if (!this.match(node)) {
      return node;
    }
    if (_.isString(this.config.style)) {
      node.style[this.config.style] = '';
      if (!node.getAttribute('style')) {
        node.removeAttribute('style');
      }
    }
    if (_.isString(this.config.attribute)) {
      node.removeAttribute(this.config.attribute);
    }
    if (_.isString(this.config["class"])) {
      ref = dom(node).classes();
      for (i = 0, len = ref.length; i < len; i++) {
        c = ref[i];
        if (c.indexOf(this.config["class"]) === 0) {
          dom(node).removeClass(c);
        }
      }
    }
    if (_.isString(this.config.tag)) {
      if (this.isType(Format.types.LINE)) {
        if (_.isString(this.config.parentTag)) {
          if (node.previousSibling != null) {
            dom(node).splitBefore(node.parentNode.parentNode);
          }
          if (node.nextSibling != null) {
            dom(node.nextSibling).splitBefore(node.parentNode.parentNode);
          }
        }
        node = dom(node).switchTag(dom.DEFAULT_BLOCK_TAG);
      } else if (this.isType(Format.types.EMBED)) {
        dom(node).remove();
        return void 0;
      } else {
        node = dom(node).switchTag(dom.DEFAULT_INLINE_TAG);
      }
    }
    if (_.isString(this.config.parentTag)) {
      dom(node.parentNode).unwrap();
    }
    if (_.isFunction(this.config.remove)) {
      node = this.config.remove(node);
    }
    if (node.tagName === dom.DEFAULT_INLINE_TAG && !node.hasAttributes()) {
      node = dom(node).unwrap();
    }
    return node;
  };

  Format.prototype.value = function(node) {
    var c, i, len, ref;
    if (!this.match(node)) {
      return void 0;
    }
    if (this.config.value) {
      return this.config.value(node);
    }
    if (_.isString(this.config.attribute)) {
      return node.getAttribute(this.config.attribute) || void 0;
    } else if (_.isString(this.config.style)) {
      return node.style[this.config.style] || void 0;
    } else if (_.isString(this.config["class"])) {
      ref = dom(node).classes();
      for (i = 0, len = ref.length; i < len; i++) {
        c = ref[i];
        if (c.indexOf(this.config["class"]) === 0) {
          return c.slice(this.config["class"].length);
        }
      }
    } else if (_.isString(this.config.tag)) {
      return true;
    }
    return void 0;
  };

  return Format;

})();

module.exports = Format;


},{"../lib/dom":17,"lodash":1}],11:[function(_dereq_,module,exports){
var Format, Leaf, LinkedList, _, dom,
  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
  hasProp = {}.hasOwnProperty;

_ = _dereq_('lodash');

dom = _dereq_('../lib/dom');

Format = _dereq_('./format');

LinkedList = _dereq_('../lib/linked-list');

Leaf = (function(superClass) {
  extend(Leaf, superClass);

  Leaf.DATA_KEY = 'leaf';

  Leaf.isLeafNode = function(node) {
    return dom(node).isTextNode() || (node.firstChild == null);
  };

  function Leaf(node1, formats) {
    this.node = node1;
    this.formats = _.clone(formats);
    this.text = dom(this.node).text();
    this.length = this.text.length;
    dom(this.node).data(Leaf.DATA_KEY, this);
  }

  Leaf.prototype.deleteText = function(offset, length) {
    var textNode;
    if (!(length > 0)) {
      return;
    }
    this.text = this.text.slice(0, offset) + this.text.slice(offset + length);
    this.length = this.text.length;
    if (dom.EMBED_TAGS[this.node.tagName] != null) {
      textNode = document.createTextNode(this.text);
      dom(textNode).data(Leaf.DATA_KEY, this);
      return this.node = dom(this.node).replace(textNode);
    } else {
      return dom(this.node).text(this.text);
    }
  };

  Leaf.prototype.insertText = function(offset, text) {
    var textNode;
    this.text = this.text.slice(0, offset) + text + this.text.slice(offset);
    if (dom(this.node).isTextNode()) {
      dom(this.node).text(this.text);
    } else {
      textNode = document.createTextNode(text);
      dom(textNode).data(Leaf.DATA_KEY, this);
      if (this.node.tagName === dom.DEFAULT_BREAK_TAG) {
        this.node = dom(this.node).replace(textNode);
      } else {
        this.node.appendChild(textNode);
        this.node = textNode;
      }
    }
    return this.length = this.text.length;
  };

  return Leaf;

})(LinkedList.Node);

module.exports = Leaf;


},{"../lib/dom":17,"../lib/linked-list":18,"./format":10,"lodash":1}],12:[function(_dereq_,module,exports){
var Delta, Format, Leaf, Line, LinkedList, Normalizer, _, dom,
  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
  hasProp = {}.hasOwnProperty;

_ = _dereq_('lodash');

Delta = _dereq_('rich-text/lib/delta');

dom = _dereq_('../lib/dom');

Format = _dereq_('./format');

Leaf = _dereq_('./leaf');

Line = _dereq_('./line');

LinkedList = _dereq_('../lib/linked-list');

Normalizer = _dereq_('./normalizer');

Line = (function(superClass) {
  extend(Line, superClass);

  Line.DATA_KEY = 'line';

  function Line(doc, node1) {
    this.doc = doc;
    this.node = node1;
    this.formats = {};
    this.rebuild();
    Line.__super__.constructor.call(this, this.node);
  }

  Line.prototype.buildLeaves = function(node, formats) {
    return _.each(dom(node).childNodes(), (function(_this) {
      return function(node) {
        var nodeFormats;
        node = _this.doc.normalizer.normalizeNode(node);
        nodeFormats = _.clone(formats);
        _.each(_this.doc.formats, function(format, name) {
          if (!format.isType(Format.types.LINE) && format.match(node)) {
            return nodeFormats[name] = format.value(node);
          }
        });
        if (Leaf.isLeafNode(node)) {
          return _this.leaves.append(new Leaf(node, nodeFormats));
        } else {
          return _this.buildLeaves(node, nodeFormats);
        }
      };
    })(this));
  };

  Line.prototype.deleteText = function(offset, length) {
    var deleteLength, leaf, ref;
    if (!(length > 0)) {
      return;
    }
    ref = this.findLeafAt(offset), leaf = ref[0], offset = ref[1];
    while ((leaf != null) && length > 0) {
      deleteLength = Math.min(length, leaf.length - offset);
      leaf.deleteText(offset, deleteLength);
      length -= deleteLength;
      leaf = leaf.next;
      offset = 0;
    }
    return this.rebuild();
  };

  Line.prototype.findLeaf = function(leafNode) {
    if (leafNode != null) {
      return dom(leafNode).data(Leaf.DATA_KEY);
    } else {
      return void 0;
    }
  };

  Line.prototype.findLeafAt = function(offset, inclusive) {
    var leaf;
    if (inclusive == null) {
      inclusive = false;
    }
    if (offset >= this.length - 1) {
      return [this.leaves.last, this.leaves.last.length];
    }
    leaf = this.leaves.first;
    while (leaf != null) {
      if (offset < leaf.length || (offset === leaf.length && inclusive)) {
        return [leaf, offset];
      }
      offset -= leaf.length;
      leaf = leaf.next;
    }
    return [this.leaves.last, offset - this.leaves.last.length];
  };

  Line.prototype.format = function(name, value) {
    var formats;
    if (_.isObject(name)) {
      formats = name;
    } else {
      formats = {};
      formats[name] = value;
    }
    _.each(formats, (function(_this) {
      return function(value, name) {
        var excludeFormat, format;
        format = _this.doc.formats[name];
        if (format == null) {
          return;
        }
        if (format.isType(Format.types.LINE)) {
          if (format.config.exclude && _this.formats[format.config.exclude]) {
            excludeFormat = _this.doc.formats[format.config.exclude];
            if (excludeFormat != null) {
              _this.node = excludeFormat.remove(_this.node);
              delete _this.formats[format.config.exclude];
            }
          }
          _this.node = format.add(_this.node, value);
        }
        if (value) {
          return _this.formats[name] = value;
        } else {
          return delete _this.formats[name];
        }
      };
    })(this));
    return this.resetContent();
  };

  Line.prototype.formatText = function(offset, length, name, value, target) {
    var format, leaf, leafOffset, leftNode, nextLeaf, ref, ref1, ref2, rightNode, targetNode;
    ref = this.findLeafAt(offset), leaf = ref[0], leafOffset = ref[1];
    format = this.doc.formats[name];
    if (!((format != null) && format.config.type !== Format.types.LINE)) {
      return;
    }
    while ((leaf != null) && length > 0) {
      nextLeaf = leaf.next;
      if ((value && leaf.formats[name] !== value) || (!value && (leaf.formats[name] != null))) {
        targetNode = leaf.node;
        if (leaf.formats[name] != null) {
          dom(targetNode).splitBefore(this.node);
          while (!format.match(targetNode)) {
            targetNode = targetNode.parentNode;
          }
          dom(targetNode).split(leaf.length);
        }
        if (leafOffset > 0) {
          ref1 = dom(targetNode).split(leafOffset), leftNode = ref1[0], targetNode = ref1[1];
        }
        if (leaf.length > leafOffset + length) {
          ref2 = dom(targetNode).split(length), targetNode = ref2[0], rightNode = ref2[1];
        }
        format.add(targetNode, value, target);
      }
      length -= leaf.length - leafOffset;
      leafOffset = 0;
      leaf = nextLeaf;
    }
    return this.rebuild();
  };

  Line.prototype._insert = function(offset, node, formats) {
    var leaf, leafOffset, nextNode, prevNode, ref, ref1;
    ref = this.findLeafAt(offset), leaf = ref[0], leafOffset = ref[1];
    node = _.reduce(formats, (function(_this) {
      return function(node, value, name) {
        var format;
        format = _this.doc.formats[name];
        if (format != null) {
          node = format.add(node, value);
        }
        return node;
      };
    })(this), node);
    ref1 = dom(leaf.node).split(leafOffset), prevNode = ref1[0], nextNode = ref1[1];
    if (nextNode) {
      nextNode = dom(nextNode).splitBefore(this.node).get();
    }
    this.node.insertBefore(node, nextNode);
    return this.rebuild();
  };

  Line.prototype.insertEmbed = function(offset, attributes) {
    var formatName, leaf, leafOffset, nextNode, node, prevNode, ref, ref1;
    ref = this.findLeafAt(offset), leaf = ref[0], leafOffset = ref[1];
    ref1 = dom(leaf.node).split(leafOffset), prevNode = ref1[0], nextNode = ref1[1];
    formatName = _.find(Object.keys(attributes), (function(_this) {
      return function(name) {
        return _this.doc.formats[name].isType(Format.types.EMBED);
      };
    })(this));
    node = this.doc.formats[formatName].add({}, attributes[formatName]);
    attributes = _.clone(attributes);
    delete attributes[formatName];
    return this._insert(offset, node, attributes);
  };

  Line.prototype.insertText = function(offset, text, formats) {
    var leaf, leafOffset, ref;
    if (formats == null) {
      formats = {};
    }
    if (!(text.length > 0)) {
      return;
    }
    ref = this.findLeafAt(offset), leaf = ref[0], leafOffset = ref[1];
    if (_.isEqual(leaf.formats, formats)) {
      leaf.insertText(leafOffset, text);
      return this.resetContent();
    } else {
      return this._insert(offset, document.createTextNode(text), formats);
    }
  };

  Line.prototype.optimize = function() {
    Normalizer.optimizeLine(this.node);
    return this.rebuild();
  };

  Line.prototype.rebuild = function(force) {
    if (force == null) {
      force = false;
    }
    if (!force && (this.outerHTML != null) && this.outerHTML === this.node.outerHTML) {
      if (_.all(this.leaves.toArray(), (function(_this) {
        return function(leaf) {
          return dom(leaf.node).isAncestor(_this.node);
        };
      })(this))) {
        return false;
      }
    }
    this.node = this.doc.normalizer.normalizeNode(this.node);
    if (dom(this.node).length() === 0 && !this.node.querySelector(dom.DEFAULT_BREAK_TAG)) {
      this.node.appendChild(document.createElement(dom.DEFAULT_BREAK_TAG));
    }
    this.leaves = new LinkedList();
    this.formats = _.reduce(this.doc.formats, (function(_this) {
      return function(formats, format, name) {
        if (format.isType(Format.types.LINE)) {
          if (format.match(_this.node)) {
            formats[name] = format.value(_this.node);
          } else {
            delete formats[name];
          }
        }
        return formats;
      };
    })(this), this.formats);
    this.buildLeaves(this.node, {});
    this.resetContent();
    return true;
  };

  Line.prototype.resetContent = function() {
    dom(this.node).data(Line.DATA_KEY, this);
    this.outerHTML = this.node.outerHTML;
    this.length = 1;
    this.delta = new Delta();
    _.each(this.leaves.toArray(), (function(_this) {
      return function(leaf) {
        _this.length += leaf.length;
        if (dom.EMBED_TAGS[leaf.node.tagName] != null) {
          return _this.delta.insert(1, leaf.formats);
        } else {
          return _this.delta.insert(leaf.text, leaf.formats);
        }
      };
    })(this));
    return this.delta.insert('\n', this.formats);
  };

  return Line;

})(LinkedList.Node);

module.exports = Line;


},{"../lib/dom":17,"../lib/linked-list":18,"./format":10,"./leaf":11,"./line":12,"./normalizer":13,"lodash":1,"rich-text/lib/delta":3}],13:[function(_dereq_,module,exports){
var Normalizer, _, camelize, dom;

_ = _dereq_('lodash');

dom = _dereq_('../lib/dom');

camelize = function(str) {
  str = str.replace(/(?:^|[-_])(\w)/g, function(i, c) {
    if (c) {
      return c.toUpperCase();
    } else {
      return '';
    }
  });
  return str.charAt(0).toLowerCase() + str.slice(1);
};

Normalizer = (function() {
  Normalizer.ALIASES = {
    'STRONG': 'B',
    'EM': 'I',
    'DEL': 'S',
    'STRIKE': 'S'
  };

  Normalizer.ATTRIBUTES = {
    'color': 'color',
    'face': 'fontFamily',
    'size': 'fontSize'
  };

  function Normalizer() {
    this.whitelist = {
      styles: {},
      tags: {}
    };
    this.whitelist.tags[dom.DEFAULT_BREAK_TAG] = true;
    this.whitelist.tags[dom.DEFAULT_BLOCK_TAG] = true;
    this.whitelist.tags[dom.DEFAULT_INLINE_TAG] = true;
  }

  Normalizer.prototype.addFormat = function(config) {
    if (config.tag != null) {
      this.whitelist.tags[config.tag] = true;
    }
    if (config.parentTag != null) {
      this.whitelist.tags[config.parentTag] = true;
    }
    if (config.style != null) {
      return this.whitelist.styles[config.style] = true;
    }
  };

  Normalizer.prototype.normalizeLine = function(lineNode) {
    lineNode = Normalizer.wrapInline(lineNode);
    lineNode = Normalizer.handleBreaks(lineNode);
    lineNode = Normalizer.pullBlocks(lineNode);
    lineNode = this.normalizeNode(lineNode);
    Normalizer.unwrapText(lineNode);
    if ((lineNode != null) && (dom.LIST_TAGS[lineNode.tagName] != null)) {
      lineNode = lineNode.firstChild;
    }
    return lineNode;
  };

  Normalizer.prototype.normalizeNode = function(node) {
    if (dom(node).isTextNode()) {
      return node;
    }
    _.each(Normalizer.ATTRIBUTES, function(style, attribute) {
      var value;
      if (node.hasAttribute(attribute)) {
        value = node.getAttribute(attribute);
        if (attribute === 'size') {
          value = dom.convertFontSize(value);
        }
        node.style[style] = value;
        return node.removeAttribute(attribute);
      }
    });
    this.whitelistStyles(node);
    return this.whitelistTags(node);
  };

  Normalizer.prototype.whitelistStyles = function(node) {
    var original, styles;
    original = dom(node).styles();
    styles = _.omit(original, (function(_this) {
      return function(value, key) {
        return _this.whitelist.styles[camelize(key)] == null;
      };
    })(this));
    if (Object.keys(styles).length < Object.keys(original).length) {
      if (Object.keys(styles).length > 0) {
        return dom(node).styles(styles, true);
      } else {
        return node.removeAttribute('style');
      }
    }
  };

  Normalizer.prototype.whitelistTags = function(node) {
    if (!dom(node).isElement()) {
      return node;
    }
    if (Normalizer.ALIASES[node.tagName] != null) {
      node = dom(node).switchTag(Normalizer.ALIASES[node.tagName]);
    } else if (this.whitelist.tags[node.tagName] == null) {
      if (dom.BLOCK_TAGS[node.tagName] != null) {
        node = dom(node).switchTag(dom.DEFAULT_BLOCK_TAG);
      } else if (!node.hasAttributes() && (node.firstChild != null)) {
        node = dom(node).unwrap();
      } else {
        node = dom(node).switchTag(dom.DEFAULT_INLINE_TAG);
      }
    }
    return node;
  };

  Normalizer.handleBreaks = function(lineNode) {
    var breaks;
    breaks = _.map(lineNode.querySelectorAll(dom.DEFAULT_BREAK_TAG));
    _.each(breaks, (function(_this) {
      return function(br) {
        if ((br.nextSibling != null) && (!dom.isIE(10) || (br.previousSibling != null))) {
          return dom(br.nextSibling).splitBefore(lineNode.parentNode);
        }
      };
    })(this));
    return lineNode;
  };

  Normalizer.optimizeLine = function(lineNode) {
    var lineNodeLength, node, nodes, results;
    lineNode.normalize();
    lineNodeLength = dom(lineNode).length();
    nodes = dom(lineNode).descendants();
    results = [];
    while (nodes.length > 0) {
      node = nodes.pop();
      if ((node != null ? node.parentNode : void 0) == null) {
        continue;
      }
      if (dom.EMBED_TAGS[node.tagName] != null) {
        continue;
      }
      if (node.tagName === dom.DEFAULT_BREAK_TAG) {
        if (lineNodeLength !== 0) {
          results.push(dom(node).remove());
        } else {
          results.push(void 0);
        }
      } else if (dom(node).length() === 0) {
        nodes.push(node.nextSibling);
        results.push(dom(node).unwrap());
      } else if ((node.previousSibling != null) && node.tagName === node.previousSibling.tagName) {
        if (_.isEqual(dom(node).attributes(), dom(node.previousSibling).attributes())) {
          nodes.push(node.firstChild);
          results.push(dom(node.previousSibling).merge(node));
        } else {
          results.push(void 0);
        }
      } else {
        results.push(void 0);
      }
    }
    return results;
  };

  Normalizer.pullBlocks = function(lineNode) {
    var curNode;
    curNode = lineNode.firstChild;
    while (curNode != null) {
      if ((dom.BLOCK_TAGS[curNode.tagName] != null) && curNode.tagName !== 'LI') {
        dom(curNode).isolate(lineNode.parentNode);
        if ((dom.LIST_TAGS[curNode.tagName] == null) || !curNode.firstChild) {
          dom(curNode).unwrap();
          Normalizer.pullBlocks(lineNode);
        } else {
          dom(curNode.parentNode).unwrap();
          if (lineNode.parentNode == null) {
            lineNode = curNode;
          }
        }
        break;
      }
      curNode = curNode.nextSibling;
    }
    return lineNode;
  };

  Normalizer.stripComments = function(html) {
    return html.replace(/<!--[\s\S]*?-->/g, '');
  };

  Normalizer.stripWhitespace = function(html) {
    html = html.trim();
    html = html.replace(/(\r?\n|\r)+/g, ' ');
    html = html.replace(/\>\s+\</g, '><');
    return html;
  };

  Normalizer.wrapInline = function(lineNode) {
    var blockNode, nextNode;
    if (dom.BLOCK_TAGS[lineNode.tagName] != null) {
      return lineNode;
    }
    blockNode = document.createElement(dom.DEFAULT_BLOCK_TAG);
    lineNode.parentNode.insertBefore(blockNode, lineNode);
    while ((lineNode != null) && (dom.BLOCK_TAGS[lineNode.tagName] == null)) {
      nextNode = lineNode.nextSibling;
      blockNode.appendChild(lineNode);
      lineNode = nextNode;
    }
    return blockNode;
  };

  Normalizer.unwrapText = function(lineNode) {
    var spans;
    spans = _.map(lineNode.querySelectorAll(dom.DEFAULT_INLINE_TAG));
    return _.each(spans, function(span) {
      if (!span.hasAttributes()) {
        return dom(span).unwrap();
      }
    });
  };

  return Normalizer;

})();

module.exports = Normalizer;


},{"../lib/dom":17,"lodash":1}],14:[function(_dereq_,module,exports){
var Leaf, Normalizer, Range, Selection, _, dom;

_ = _dereq_('lodash');

dom = _dereq_('../lib/dom');

Leaf = _dereq_('./leaf');

Normalizer = _dereq_('./normalizer');

Range = _dereq_('../lib/range');

Selection = (function() {
  function Selection(doc, emitter) {
    this.doc = doc;
    this.emitter = emitter;
    this.focus = false;
    this.range = new Range(0, 0);
    this.nullDelay = false;
    this.update('silent');
  }

  Selection.prototype.checkFocus = function() {
    return document.activeElement === this.doc.root;
  };

  Selection.prototype.getRange = function(ignoreFocus) {
    var end, nativeRange, start;
    if (ignoreFocus == null) {
      ignoreFocus = false;
    }
    if (this.checkFocus()) {
      nativeRange = this._getNativeRange();
      if (nativeRange == null) {
        return null;
      }
      start = this._positionToIndex(nativeRange.startContainer, nativeRange.startOffset);
      if (nativeRange.startContainer === nativeRange.endContainer && nativeRange.startOffset === nativeRange.endOffset) {
        end = start;
      } else {
        end = this._positionToIndex(nativeRange.endContainer, nativeRange.endOffset);
      }
      return new Range(Math.min(start, end), Math.max(start, end));
    } else if (ignoreFocus) {
      return this.range;
    } else {
      return null;
    }
  };

  Selection.prototype.preserve = function(fn) {
    var endNode, endOffset, nativeRange, ref, ref1, ref2, ref3, startNode, startOffset;
    nativeRange = this._getNativeRange();
    if ((nativeRange != null) && this.checkFocus()) {
      ref = this._encodePosition(nativeRange.startContainer, nativeRange.startOffset), startNode = ref[0], startOffset = ref[1];
      ref1 = this._encodePosition(nativeRange.endContainer, nativeRange.endOffset), endNode = ref1[0], endOffset = ref1[1];
      fn();
      ref2 = this._decodePosition(startNode, startOffset), startNode = ref2[0], startOffset = ref2[1];
      ref3 = this._decodePosition(endNode, endOffset), endNode = ref3[0], endOffset = ref3[1];
      return this._setNativeRange(startNode, startOffset, endNode, endOffset);
    } else {
      return fn();
    }
  };

  Selection.prototype.setRange = function(range, source) {
    var endNode, endOffset, ref, ref1, ref2, startNode, startOffset;
    if (range != null) {
      ref = this._indexToPosition(range.start), startNode = ref[0], startOffset = ref[1];
      if (range.isCollapsed()) {
        ref1 = [startNode, startOffset], endNode = ref1[0], endOffset = ref1[1];
      } else {
        ref2 = this._indexToPosition(range.end), endNode = ref2[0], endOffset = ref2[1];
      }
      this._setNativeRange(startNode, startOffset, endNode, endOffset);
    } else {
      this._setNativeRange(null);
    }
    return this.update(source);
  };

  Selection.prototype.shiftAfter = function(index, length, fn) {
    var range;
    range = this.getRange();
    fn();
    if (range != null) {
      range.shift(index, length);
      return this.setRange(range, 'silent');
    }
  };

  Selection.prototype.update = function(source) {
    var emit, focus, range, toEmit;
    focus = this.checkFocus();
    range = this.getRange(true);
    emit = source !== 'silent' && (!Range.compare(range, this.range) || focus !== this.focus);
    toEmit = focus ? range : null;
    if (toEmit === null && source === 'user' && !this.nullDelay) {
      return this.nullDelay = true;
    } else {
      this.nullDelay = false;
      this.range = range;
      this.focus = focus;
      if (emit) {
        return this.emitter.emit(this.emitter.constructor.events.SELECTION_CHANGE, toEmit, source);
      }
    }
  };

  Selection.prototype._decodePosition = function(node, offset) {
    var childIndex;
    if (dom(node).isElement()) {
      childIndex = dom(node.parentNode).childNodes().indexOf(node);
      offset += childIndex;
      node = node.parentNode;
    }
    return [node, offset];
  };

  Selection.prototype._encodePosition = function(node, offset) {
    var text;
    while (true) {
      if (dom(node).isTextNode() || node.tagName === dom.DEFAULT_BREAK_TAG || (dom.EMBED_TAGS[node.tagName] != null)) {
        return [node, offset];
      } else if (offset < node.childNodes.length) {
        node = node.childNodes[offset];
        offset = 0;
      } else if (node.childNodes.length === 0) {
        if (this.doc.normalizer.whitelist.tags[node.tagName] == null) {
          text = document.createTextNode('');
          node.appendChild(text);
          node = text;
        }
        return [node, 0];
      } else {
        node = node.lastChild;
        if (dom(node).isElement()) {
          if (node.tagName === dom.DEFAULT_BREAK_TAG || (dom.EMBED_TAGS[node.tagName] != null)) {
            return [node, 1];
          } else {
            offset = node.childNodes.length;
          }
        } else {
          return [node, dom(node).length()];
        }
      }
    }
  };

  Selection.prototype._getNativeRange = function() {
    var range, selection;
    selection = document.getSelection();
    if ((selection != null ? selection.rangeCount : void 0) > 0) {
      range = selection.getRangeAt(0);
      if (dom(range.startContainer).isAncestor(this.doc.root, true)) {
        if (range.startContainer === range.endContainer || dom(range.endContainer).isAncestor(this.doc.root, true)) {
          return range;
        }
      }
    }
    return null;
  };

  Selection.prototype._indexToPosition = function(index) {
    var leaf, offset, ref;
    if (this.doc.lines.length === 0) {
      return [this.doc.root, 0];
    }
    ref = this.doc.findLeafAt(index, true), leaf = ref[0], offset = ref[1];
    return this._decodePosition(leaf.node, offset);
  };

  Selection.prototype._positionToIndex = function(node, offset) {
    var leaf, leafNode, leafOffset, line, lineOffset, ref;
    if (dom.isIE(10) && node.tagName === 'BR' && offset === 1) {
      offset = 0;
    }
    ref = this._encodePosition(node, offset), leafNode = ref[0], offset = ref[1];
    line = this.doc.findLine(leafNode);
    if (line == null) {
      return 0;
    }
    leaf = line.findLeaf(leafNode);
    lineOffset = 0;
    while (line.prev != null) {
      line = line.prev;
      lineOffset += line.length;
    }
    if (leaf == null) {
      return lineOffset;
    }
    leafOffset = 0;
    while (leaf.prev != null) {
      leaf = leaf.prev;
      leafOffset += leaf.length;
    }
    return lineOffset + leafOffset + offset;
  };

  Selection.prototype._setNativeRange = function(startNode, startOffset, endNode, endOffset) {
    var nativeRange, selection;
    selection = document.getSelection();
    if (!selection) {
      return;
    }
    if (startNode != null) {
      if (!this.checkFocus()) {
        this.doc.root.focus();
      }
      nativeRange = this._getNativeRange();
      if ((nativeRange == null) || startNode !== nativeRange.startContainer || startOffset !== nativeRange.startOffset || endNode !== nativeRange.endContainer || endOffset !== nativeRange.endOffset) {
        selection.removeAllRanges();
        nativeRange = document.createRange();
        nativeRange.setStart(startNode, startOffset);
        nativeRange.setEnd(endNode, endOffset);
        return selection.addRange(nativeRange);
      }
    } else {
      selection.removeAllRanges();
      this.doc.root.blur();
      if (dom.isIE(11) && !dom.isIE(9)) {
        return document.body.focus();
      }
    }
  };

  return Selection;

})();

module.exports = Selection;


},{"../lib/dom":17,"../lib/range":20,"./leaf":11,"./normalizer":13,"lodash":1}],15:[function(_dereq_,module,exports){
_dereq_('./modules/authorship');

_dereq_('./modules/image-tooltip');

_dereq_('./modules/keyboard');

_dereq_('./modules/link-tooltip');

_dereq_('./modules/multi-cursor');

_dereq_('./modules/paste-manager');

_dereq_('./modules/toolbar');

_dereq_('./modules/tooltip');

_dereq_('./modules/undo-manager');

module.exports = _dereq_('./quill');


},{"./modules/authorship":21,"./modules/image-tooltip":22,"./modules/keyboard":23,"./modules/link-tooltip":24,"./modules/multi-cursor":25,"./modules/paste-manager":26,"./modules/toolbar":27,"./modules/tooltip":28,"./modules/undo-manager":29,"./quill":30}],16:[function(_dereq_,module,exports){
var ColorPicker, Picker, dom,
  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
  hasProp = {}.hasOwnProperty;

dom = _dereq_('./dom');

Picker = _dereq_('./picker');

ColorPicker = (function(superClass) {
  extend(ColorPicker, superClass);

  function ColorPicker() {
    ColorPicker.__super__.constructor.apply(this, arguments);
    dom(this.container).addClass('ql-color-picker');
  }

  ColorPicker.prototype.buildItem = function(picker, option, index) {
    var item;
    item = ColorPicker.__super__.buildItem.call(this, picker, option, index);
    item.style.backgroundColor = option.value;
    return item;
  };

  return ColorPicker;

})(Picker);

module.exports = ColorPicker;


},{"./dom":17,"./picker":19}],17:[function(_dereq_,module,exports){
var SelectWrapper, Wrapper, _, dom, lastKeyEvent,
  bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; },
  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
  hasProp = {}.hasOwnProperty;

_ = _dereq_('lodash');

lastKeyEvent = null;

Wrapper = (function() {
  function Wrapper(node1) {
    this.node = node1;
    this.trigger = bind(this.trigger, this);
  }

  Wrapper.prototype.addClass = function(cssClass) {
    if (this.hasClass(cssClass)) {
      return;
    }
    if (this.node.classList != null) {
      this.node.classList.add(cssClass);
    } else if (this.node.className != null) {
      this.node.className = (this.node.className + ' ' + cssClass).trim();
    }
    return this;
  };

  Wrapper.prototype.attributes = function(attributes) {
    var attr, i, j, len, ref, value;
    if (attributes) {
      _.each(attributes, (function(_this) {
        return function(value, name) {
          return _this.node.setAttribute(name, value);
        };
      })(this));
      return this;
    } else {
      if (this.node.attributes == null) {
        return {};
      }
      attributes = {};
      ref = this.node.attributes;
      for (i = j = 0, len = ref.length; j < len; i = ++j) {
        value = ref[i];
        attr = this.node.attributes[i];
        attributes[attr.name] = attr.value;
      }
      return attributes;
    }
  };

  Wrapper.prototype.child = function(offset) {
    var child, length;
    child = this.node.firstChild;
    length = dom(child).length();
    while (child != null) {
      if (offset < length) {
        break;
      }
      offset -= length;
      child = child.nextSibling;
      length = dom(child).length();
    }
    if (child == null) {
      child = this.node.lastChild;
      offset = dom(child).length();
    }
    return [child, offset];
  };

  Wrapper.prototype.childNodes = function() {
    return _.map(this.node.childNodes);
  };

  Wrapper.prototype.classes = function() {
    return this.node.className.split(/\s+/);
  };

  Wrapper.prototype.data = function(key, value) {
    var ref;
    if (value != null) {
      if (this.node['ql-data'] == null) {
        this.node['ql-data'] = {};
      }
      this.node['ql-data'][key] = value;
      return this;
    } else {
      return (ref = this.node['ql-data']) != null ? ref[key] : void 0;
    }
  };

  Wrapper.prototype.descendants = function() {
    return _.map(this.node.getElementsByTagName('*'));
  };

  Wrapper.prototype.get = function() {
    return this.node;
  };

  Wrapper.prototype.hasClass = function(cssClass) {
    if (this.node.classList != null) {
      return this.node.classList.contains(cssClass);
    } else if (this.node.className != null) {
      return this.classes().indexOf(cssClass) > -1;
    }
    return false;
  };

  Wrapper.prototype.isAncestor = function(ancestor, inclusive) {
    var node;
    if (inclusive == null) {
      inclusive = false;
    }
    if (ancestor === this.node) {
      return inclusive;
    }
    node = this.node;
    while (node) {
      if (node === ancestor) {
        return true;
      }
      node = node.parentNode;
    }
    return false;
  };

  Wrapper.prototype.isElement = function() {
    var ref;
    return ((ref = this.node) != null ? ref.nodeType : void 0) === dom.ELEMENT_NODE;
  };

  Wrapper.prototype.isTextNode = function() {
    var ref;
    return ((ref = this.node) != null ? ref.nodeType : void 0) === dom.TEXT_NODE;
  };

  Wrapper.prototype.isolate = function(root) {
    if (this.node.nextSibling != null) {
      dom(this.node.nextSibling).splitBefore(root);
    }
    this.splitBefore(root);
    return this;
  };

  Wrapper.prototype.length = function() {
    var length;
    if (this.node == null) {
      return 0;
    }
    length = this.text().length;
    if (this.isElement()) {
      length += this.node.querySelectorAll(Object.keys(dom.EMBED_TAGS).join(',')).length;
    }
    return length;
  };

  Wrapper.prototype.merge = function(node) {
    var $node;
    $node = dom(node);
    if (this.isElement()) {
      $node.moveChildren(this.node);
      this.normalize();
    } else {
      this.text(this.text() + $node.text());
    }
    $node.remove();
    return this;
  };

  Wrapper.prototype.moveChildren = function(newParent) {
    _.each(this.childNodes(), function(child) {
      return newParent.appendChild(child);
    });
    return this;
  };

  Wrapper.prototype.nextLineNode = function(root) {
    var nextNode;
    nextNode = this.node.nextSibling;
    if ((nextNode == null) && this.node.parentNode !== root) {
      nextNode = this.node.parentNode.nextSibling;
    }
    if ((nextNode != null) && (dom.LIST_TAGS[nextNode.tagName] != null)) {
      nextNode = nextNode.firstChild;
    }
    return nextNode;
  };

  Wrapper.prototype.normalize = function() {
    var $node, curNode, followingNode, nextNode;
    curNode = this.node.firstChild;
    while (curNode != null) {
      nextNode = curNode.nextSibling;
      $node = dom(curNode);
      if ((nextNode != null) && dom(nextNode).isTextNode()) {
        if ($node.text().length === 0) {
          $node.remove();
        } else if ($node.isTextNode()) {
          followingNode = nextNode.nextSibling;
          $node.merge(nextNode);
          nextNode = followingNode;
        }
      }
      curNode = nextNode;
    }
    return this;
  };

  Wrapper.prototype.on = function(eventName, listener) {
    this.node.addEventListener(eventName, (function(_this) {
      return function(event) {
        var arg, propagate;
        arg = lastKeyEvent && (eventName === 'keydown' || eventName === 'keyup') ? lastKeyEvent : event;
        propagate = listener.call(_this.node, arg);
        if (!propagate) {
          event.preventDefault();
          event.stopPropagation();
        }
        return propagate;
      };
    })(this));
    return this;
  };

  Wrapper.prototype.remove = function() {
    var ref;
    if ((ref = this.node.parentNode) != null) {
      ref.removeChild(this.node);
    }
    this.node = null;
    return null;
  };

  Wrapper.prototype.removeClass = function(cssClass) {
    var classArray;
    if (!this.hasClass(cssClass)) {
      return;
    }
    if (this.node.classList != null) {
      this.node.classList.remove(cssClass);
    } else if (this.node.className != null) {
      classArray = this.classes();
      classArray.splice(classArray.indexOf(cssClass), 1);
      this.node.className = classArray.join(' ');
    }
    if (!this.node.getAttribute('class')) {
      this.node.removeAttribute('class');
    }
    return this;
  };

  Wrapper.prototype.replace = function(newNode) {
    this.node.parentNode.replaceChild(newNode, this.node);
    this.node = newNode;
    return newNode;
  };

  Wrapper.prototype.splitBefore = function(root, force) {
    var nextNode, parentClone, parentNode, refNode;
    if (force == null) {
      force = false;
    }
    if (this.node === root || this.node.parentNode === root) {
      return this;
    }
    if ((this.node.previousSibling != null) || force) {
      parentNode = this.node.parentNode;
      parentClone = parentNode.cloneNode(false);
      parentNode.parentNode.insertBefore(parentClone, parentNode.nextSibling);
      refNode = this.node;
      while (refNode != null) {
        nextNode = refNode.nextSibling;
        parentClone.appendChild(refNode);
        refNode = nextNode;
      }
      return dom(parentClone).splitBefore(root);
    } else {
      return dom(this.node.parentNode).splitBefore(root);
    }
  };

  Wrapper.prototype.split = function(offset, force) {
    var after, child, childLeft, childRight, left, nextRight, nodeLength, ref, ref1, right;
    if (force == null) {
      force = false;
    }
    nodeLength = this.length();
    offset = Math.max(0, offset);
    offset = Math.min(offset, nodeLength);
    if (!(force || offset !== 0)) {
      return [this.node.previousSibling, this.node, false];
    }
    if (!(force || offset !== nodeLength)) {
      return [this.node, this.node.nextSibling, false];
    }
    if (this.node.nodeType === dom.TEXT_NODE) {
      after = this.node.splitText(offset);
      return [this.node, after, true];
    } else {
      left = this.node;
      right = this.node.cloneNode(false);
      this.node.parentNode.insertBefore(right, left.nextSibling);
      ref = this.child(offset), child = ref[0], offset = ref[1];
      ref1 = dom(child).split(offset), childLeft = ref1[0], childRight = ref1[1];
      while (childRight !== null) {
        nextRight = childRight.nextSibling;
        right.appendChild(childRight);
        childRight = nextRight;
      }
      return [left, right, true];
    }
  };

  Wrapper.prototype.styles = function(styles, overwrite) {
    var obj, styleString;
    if (overwrite == null) {
      overwrite = false;
    }
    if (styles) {
      if (!overwrite) {
        styles = _.defaults(styles, this.styles());
      }
      styleString = _.map(styles, function(style, name) {
        return name + ": " + style;
      }).join('; ') + ';';
      this.node.setAttribute('style', styleString);
      return this;
    } else {
      styleString = this.node.getAttribute('style') || '';
      obj = _.reduce(styleString.split(';'), function(styles, str) {
        var name, ref, value;
        ref = str.split(':'), name = ref[0], value = ref[1];
        if (name && value) {
          name = name.trim();
          value = value.trim();
          styles[name.toLowerCase()] = value;
        }
        return styles;
      }, {});
      return obj;
    }
  };

  Wrapper.prototype.switchTag = function(newTag) {
    var attributes, newNode;
    newTag = newTag.toUpperCase();
    if (this.node.tagName === newTag) {
      return this;
    }
    newNode = document.createElement(newTag);
    attributes = this.attributes();
    if (dom.VOID_TAGS[newTag] == null) {
      this.moveChildren(newNode);
    }
    this.replace(newNode);
    return this.attributes(attributes).get();
  };

  Wrapper.prototype.text = function(text) {
    if (text != null) {
      switch (this.node.nodeType) {
        case dom.ELEMENT_NODE:
          this.node.textContent = text;
          break;
        case dom.TEXT_NODE:
          this.node.data = text;
      }
      return this;
    } else {
      switch (this.node.nodeType) {
        case dom.ELEMENT_NODE:
          if (this.node.tagName === dom.DEFAULT_BREAK_TAG) {
            return "";
          }
          if (dom.EMBED_TAGS[this.node.tagName] != null) {
            return dom.EMBED_TEXT;
          }
          if (this.node.textContent != null) {
            return this.node.textContent;
          }
          return "";
        case dom.TEXT_NODE:
          return this.node.data || "";
        default:
          return "";
      }
    }
  };

  Wrapper.prototype.textNodes = function() {
    var textNode, textNodes, walker;
    walker = document.createTreeWalker(this.node, NodeFilter.SHOW_TEXT, null, false);
    textNodes = [];
    while (textNode = walker.nextNode()) {
      textNodes.push(textNode);
    }
    return textNodes;
  };

  Wrapper.prototype.toggleClass = function(className, state) {
    if (state == null) {
      state = !this.hasClass(className);
    }
    if (state) {
      this.addClass(className);
    } else {
      this.removeClass(className);
    }
    return this;
  };

  Wrapper.prototype.trigger = function(eventName, options) {
    var event, initFn, modifiers;
    if (options == null) {
      options = {};
    }
    if (['keypress', 'keydown', 'keyup'].indexOf(eventName) < 0) {
      event = document.createEvent('Event');
      event.initEvent(eventName, options.bubbles, options.cancelable);
    } else {
      event = document.createEvent('KeyboardEvent');
      lastKeyEvent = _.clone(options);
      if (_.isNumber(options.key)) {
        lastKeyEvent.which = options.key;
      } else if (_.isString(options.key)) {
        lastKeyEvent.which = options.key.toUpperCase().charCodeAt(0);
      } else {
        lastKeyEvent.which = 0;
      }
      if (dom.isIE(10)) {
        modifiers = [];
        if (options.altKey) {
          modifiers.push('Alt');
        }
        if (options.ctrlKey) {
          modifiers.push('Control');
        }
        if (options.metaKey) {
          modifiers.push('Meta');
        }
        if (options.shiftKey) {
          modifiers.push('Shift');
        }
        event.initKeyboardEvent(eventName, options.bubbles, options.cancelable, window, 0, 0, modifiers.join(' '), null, null);
      } else {
        initFn = _.isFunction(event.initKeyboardEvent) ? 'initKeyboardEvent' : 'initKeyEvent';
        event[initFn](eventName, options.bubbles, options.cancelable, window, options.ctrlKey, options.altKey, options.shiftKey, options.metaKey, 0, 0);
      }
    }
    this.node.dispatchEvent(event);
    lastKeyEvent = null;
    return this;
  };

  Wrapper.prototype.unwrap = function() {
    var next, ret;
    ret = this.node.firstChild;
    next = this.node.nextSibling;
    _.each(this.childNodes(), (function(_this) {
      return function(child) {
        return _this.node.parentNode.insertBefore(child, next);
      };
    })(this));
    this.remove();
    return ret;
  };

  Wrapper.prototype.wrap = function(wrapper) {
    var parent;
    if (this.node.parentNode != null) {
      this.node.parentNode.insertBefore(wrapper, this.node);
    }
    parent = wrapper;
    while (parent.firstChild != null) {
      parent = wrapper.firstChild;
    }
    parent.appendChild(this.node);
    return this;
  };

  return Wrapper;

})();

SelectWrapper = (function(superClass) {
  extend(SelectWrapper, superClass);

  function SelectWrapper() {
    return SelectWrapper.__super__.constructor.apply(this, arguments);
  }

  SelectWrapper.prototype["default"] = function() {
    return this.node.querySelector('option[selected]');
  };

  SelectWrapper.prototype.option = function(option, trigger) {
    var child, i, j, len, ref, value;
    if (trigger == null) {
      trigger = true;
    }
    value = _.isElement(option) ? option.value : option;
    if (value) {
      value = value.replace(/[^\w]+/g, '');
      ref = this.node.children;
      for (i = j = 0, len = ref.length; j < len; i = ++j) {
        child = ref[i];
        if (child.value.replace(/[^\w]+/g, '') === value) {
          this.node.selectedIndex = i;
          break;
        }
      }
    } else {
      this.node.selectedIndex = -1;
    }
    if (trigger) {
      this.trigger('change');
    }
    return this;
  };

  SelectWrapper.prototype.reset = function(trigger) {
    var option;
    if (trigger == null) {
      trigger = true;
    }
    option = this["default"]();
    if (option != null) {
      option.selected = true;
    } else {
      this.node.selectedIndex = 0;
    }
    if (trigger) {
      this.trigger('change');
    }
    return this;
  };

  SelectWrapper.prototype.value = function() {
    if (this.node.selectedIndex > -1) {
      return this.node.options[this.node.selectedIndex].value;
    } else {
      return '';
    }
  };

  return SelectWrapper;

})(Wrapper);

dom = function(node) {
  if ((node != null ? node.tagName : void 0) === 'SELECT') {
    return new SelectWrapper(node);
  } else {
    return new Wrapper(node);
  }
};

dom = _.extend(dom, {
  ELEMENT_NODE: 1,
  NOBREAK_SPACE: "&nbsp;",
  TEXT_NODE: 3,
  ZERO_WIDTH_NOBREAK_SPACE: "\uFEFF",
  DEFAULT_BLOCK_TAG: 'DIV',
  DEFAULT_BREAK_TAG: 'BR',
  DEFAULT_INLINE_TAG: 'SPAN',
  EMBED_TEXT: '!',
  FONT_SIZES: {
    '10px': 1,
    '13px': 2,
    '16px': 3,
    '18px': 4,
    '24px': 5,
    '32px': 6,
    '48px': 7
  },
  KEYS: {
    BACKSPACE: 8,
    TAB: 9,
    ENTER: 13,
    ESCAPE: 27,
    LEFT: 37,
    UP: 38,
    RIGHT: 39,
    DOWN: 40,
    DELETE: 46
  },
  BLOCK_TAGS: {
    'ADDRESS': 'ADDRESS',
    'ARTICLE': 'ARTICLE',
    'ASIDE': 'ASIDE',
    'AUDIO': 'AUDIO',
    'BLOCKQUOTE': 'BLOCKQUOTE',
    'CANVAS': 'CANVAS',
    'DD': 'DD',
    'DIV': 'DIV',
    'DL': 'DL',
    'FIGCAPTION': 'FIGCAPTION',
    'FIGURE': 'FIGURE',
    'FOOTER': 'FOOTER',
    'FORM': 'FORM',
    'H1': 'H1',
    'H2': 'H2',
    'H3': 'H3',
    'H4': 'H4',
    'H5': 'H5',
    'H6': 'H6',
    'HEADER': 'HEADER',
    'HGROUP': 'HGROUP',
    'LI': 'LI',
    'OL': 'OL',
    'OUTPUT': 'OUTPUT',
    'P': 'P',
    'PRE': 'PRE',
    'SECTION': 'SECTION',
    'TABLE': 'TABLE',
    'TBODY': 'TBODY',
    'TD': 'TD',
    'TFOOT': 'TFOOT',
    'TH': 'TH',
    'THEAD': 'THEAD',
    'TR': 'TR',
    'UL': 'UL',
    'VIDEO': 'VIDEO'
  },
  EMBED_TAGS: {
    'IMG': 'IMG'
  },
  LINE_TAGS: {
    'DIV': 'DIV',
    'LI': 'LI'
  },
  LIST_TAGS: {
    'OL': 'OL',
    'UL': 'UL'
  },
  VOID_TAGS: {
    'AREA': 'AREA',
    'BASE': 'BASE',
    'BR': 'BR',
    'COL': 'COL',
    'COMMAND': 'COMMAND',
    'EMBED': 'EMBED',
    'HR': 'HR',
    'IMG': 'IMG',
    'INPUT': 'INPUT',
    'KEYGEN': 'KEYGEN',
    'LINK': 'LINK',
    'META': 'META',
    'PARAM': 'PARAM',
    'SOURCE': 'SOURCE',
    'TRACK': 'TRACK',
    'WBR': 'WBR'
  },
  convertFontSize: function(size) {
    var i, s, sources, targets;
    if (_.isString(size) && size.indexOf('px') > -1) {
      sources = Object.keys(dom.FONT_SIZES);
      targets = _.values(dom.FONT_SIZES);
    } else {
      targets = Object.keys(dom.FONT_SIZES);
      sources = _.values(dom.FONT_SIZES);
    }
    for (i in sources) {
      s = sources[i];
      if (parseInt(size) <= parseInt(s)) {
        return targets[i];
      }
    }
    return _.last(targets);
  },
  isIE: function(maxVersion) {
    var version;
    version = document.documentMode;
    return version && maxVersion >= version;
  },
  isIOS: function() {
    return /iPhone|iPad/i.test(navigator.userAgent);
  },
  isMac: function() {
    return /Mac/i.test(navigator.platform);
  }
});

module.exports = dom;


},{"lodash":1}],18:[function(_dereq_,module,exports){
var LinkedList, Node;

Node = (function() {
  function Node(data) {
    this.data = data;
    this.prev = this.next = null;
  }

  return Node;

})();

LinkedList = (function() {
  LinkedList.Node = Node;

  function LinkedList() {
    this.length = 0;
    this.first = this.last = null;
  }

  LinkedList.prototype.append = function(node) {
    if (this.first != null) {
      node.next = null;
      this.last.next = node;
    } else {
      this.first = node;
    }
    node.prev = this.last;
    this.last = node;
    return this.length += 1;
  };

  LinkedList.prototype.insertAfter = function(refNode, newNode) {
    newNode.prev = refNode;
    if (refNode != null) {
      newNode.next = refNode.next;
      if (refNode.next != null) {
        refNode.next.prev = newNode;
      }
      refNode.next = newNode;
      if (refNode === this.last) {
        this.last = newNode;
      }
    } else {
      newNode.next = this.first;
      this.first.prev = newNode;
      this.first = newNode;
    }
    return this.length += 1;
  };

  LinkedList.prototype.remove = function(node) {
    if (this.length > 1) {
      if (node.prev != null) {
        node.prev.next = node.next;
      }
      if (node.next != null) {
        node.next.prev = node.prev;
      }
      if (node === this.first) {
        this.first = node.next;
      }
      if (node === this.last) {
        this.last = node.prev;
      }
    } else {
      this.first = this.last = null;
    }
    node.prev = node.next = null;
    return this.length -= 1;
  };

  LinkedList.prototype.toArray = function() {
    var arr, cur;
    arr = [];
    cur = this.first;
    while (cur != null) {
      arr.push(cur);
      cur = cur.next;
    }
    return arr;
  };

  return LinkedList;

})();

module.exports = LinkedList;


},{}],19:[function(_dereq_,module,exports){
var Picker, _, dom;

_ = _dereq_('lodash');

dom = _dereq_('./dom');

Picker = (function() {
  Picker.TEMPLATE = '<span class="ql-picker-label"></span><span class="ql-picker-options"></span>';

  function Picker(select) {
    this.select = select;
    this.container = document.createElement('span');
    this.buildPicker();
    dom(this.container).addClass('ql-picker');
    this.select.style.display = 'none';
    this.select.parentNode.insertBefore(this.container, this.select);
    dom(document).on('click', (function(_this) {
      return function() {
        _this.close();
        return true;
      };
    })(this));
    dom(this.label).on('click', (function(_this) {
      return function() {
        _.defer(function() {
          return dom(_this.container).toggleClass('ql-expanded');
        });
        return false;
      };
    })(this));
    dom(this.select).on('change', (function(_this) {
      return function() {
        var item, option;
        if (_this.select.selectedIndex > -1) {
          item = _this.container.querySelectorAll('.ql-picker-item')[_this.select.selectedIndex];
          option = _this.select.options[_this.select.selectedIndex];
        }
        _this.selectItem(item, false);
        return dom(_this.label).toggleClass('ql-active', option !== dom(_this.select)["default"]());
      };
    })(this));
  }

  Picker.prototype.buildItem = function(picker, option, index) {
    var item;
    item = document.createElement('span');
    item.setAttribute('data-value', option.getAttribute('value'));
    dom(item).addClass('ql-picker-item').text(dom(option).text()).on('click', (function(_this) {
      return function() {
        _this.selectItem(item, true);
        return _this.close();
      };
    })(this));
    if (this.select.selectedIndex === index) {
      this.selectItem(item, false);
    }
    return item;
  };

  Picker.prototype.buildPicker = function() {
    var picker;
    _.each(dom(this.select).attributes(), (function(_this) {
      return function(value, name) {
        return _this.container.setAttribute(name, value);
      };
    })(this));
    this.container.innerHTML = Picker.TEMPLATE;
    this.label = this.container.querySelector('.ql-picker-label');
    picker = this.container.querySelector('.ql-picker-options');
    return _.each(this.select.options, (function(_this) {
      return function(option, i) {
        var item;
        item = _this.buildItem(picker, option, i);
        return picker.appendChild(item);
      };
    })(this));
  };

  Picker.prototype.close = function() {
    return dom(this.container).removeClass('ql-expanded');
  };

  Picker.prototype.selectItem = function(item, trigger) {
    var selected, value;
    selected = this.container.querySelector('.ql-selected');
    if (selected != null) {
      dom(selected).removeClass('ql-selected');
    }
    if (item != null) {
      value = item.getAttribute('data-value');
      dom(item).addClass('ql-selected');
      dom(this.label).text(dom(item).text());
      dom(this.select).option(value, trigger);
      return this.label.setAttribute('data-value', value);
    } else {
      this.label.innerHTML = '&nbsp;';
      return this.label.removeAttribute('data-value');
    }
  };

  return Picker;

})();

module.exports = Picker;


},{"./dom":17,"lodash":1}],20:[function(_dereq_,module,exports){
var Range, _;

_ = _dereq_('lodash');

Range = (function() {
  Range.compare = function(r1, r2) {
    if (r1 === r2) {
      return true;
    }
    if (!((r1 != null) && (r2 != null))) {
      return false;
    }
    return r1.equals(r2);
  };

  function Range(start, end) {
    this.start = start;
    this.end = end;
  }

  Range.prototype.equals = function(range) {
    if (range == null) {
      return false;
    }
    return this.start === range.start && this.end === range.end;
  };

  Range.prototype.shift = function(index, length) {
    var ref;
    return ref = _.map([this.start, this.end], function(pos) {
      if (index > pos) {
        return pos;
      }
      if (length >= 0) {
        return pos + length;
      } else {
        return Math.max(index, pos + length);
      }
    }), this.start = ref[0], this.end = ref[1], ref;
  };

  Range.prototype.isCollapsed = function() {
    return this.start === this.end;
  };

  return Range;

})();

module.exports = Range;


},{"lodash":1}],21:[function(_dereq_,module,exports){
var Authorship, Delta, Quill, _, dom;

Quill = _dereq_('../quill');

_ = Quill.require('lodash');

dom = Quill.require('dom');

Delta = Quill.require('delta');

Authorship = (function() {
  Authorship.DEFAULTS = {
    authorId: null,
    color: 'transparent',
    enabled: false
  };

  function Authorship(quill, options) {
    this.quill = quill;
    this.options = options;
    if (this.options.button != null) {
      this.attachButton(this.options.button);
    }
    if (this.options.enabled) {
      this.enable();
    }
    this.quill.addFormat('author', {
      "class": 'author-'
    });
    if (this.options.authorId == null) {
      return;
    }
    this.quill.on(this.quill.constructor.events.PRE_EVENT, (function(_this) {
      return function(eventName, delta, origin) {
        var authorDelta, authorFormat;
        if (eventName === _this.quill.constructor.events.TEXT_CHANGE && origin === 'user') {
          authorDelta = new Delta();
          authorFormat = {
            author: _this.options.authorId
          };
          _.each(delta.ops, function(op) {
            if (op["delete"] != null) {
              return;
            }
            if ((op.insert != null) || ((op.retain != null) && (op.attributes != null))) {
              op.attributes || (op.attributes = {});
              op.attributes.author = _this.options.authorId;
              return authorDelta.retain(op.retain || op.insert.length || 1, authorFormat);
            } else {
              return authorDelta.retain(op.retain);
            }
          });
          return _this.quill.updateContents(authorDelta, Quill.sources.SILENT);
        }
      };
    })(this));
    this.addAuthor(this.options.authorId, this.options.color);
  }

  Authorship.prototype.addAuthor = function(id, color) {
    var styles;
    styles = {};
    styles[".authorship .author-" + id] = {
      "background-color": "" + color
    };
    return this.quill.theme.addStyles(styles);
  };

  Authorship.prototype.attachButton = function(button) {
    var $button;
    $button = dom(button);
    return $button.on('click', (function(_this) {
      return function() {
        $button.toggleClass('ql-on');
        return _this.enable($dom.hasClass('ql-on'));
      };
    })(this));
  };

  Authorship.prototype.enable = function(enabled) {
    if (enabled == null) {
      enabled = true;
    }
    return dom(this.quill.root).toggleClass('authorship', enabled);
  };

  Authorship.prototype.disable = function() {
    return this.enable(false);
  };

  return Authorship;

})();

Quill.registerModule('authorship', Authorship);

module.exports = Authorship;


},{"../quill":30}],22:[function(_dereq_,module,exports){
var Delta, ImageTooltip, Quill, Range, Tooltip, _, dom,
  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
  hasProp = {}.hasOwnProperty;

Quill = _dereq_('../quill');

Tooltip = _dereq_('./tooltip');

_ = Quill.require('lodash');

dom = Quill.require('dom');

Delta = Quill.require('delta');

Range = Quill.require('range');

ImageTooltip = (function(superClass) {
  extend(ImageTooltip, superClass);

  ImageTooltip.DEFAULTS = {
    template: '<input class="input" type="textbox"> <div class="preview"> <span>Preview</span> </div> <a href="javascript:;" class="cancel">Cancel</a> <a href="javascript:;" class="insert">Insert</a>'
  };

  function ImageTooltip(quill, options) {
    this.quill = quill;
    this.options = options;
    this.options = _.defaults(this.options, Tooltip.DEFAULTS);
    ImageTooltip.__super__.constructor.call(this, this.quill, this.options);
    this.preview = this.container.querySelector('.preview');
    this.textbox = this.container.querySelector('.input');
    dom(this.container).addClass('ql-image-tooltip');
    this.initListeners();
  }

  ImageTooltip.prototype.initListeners = function() {
    dom(this.quill.root).on('focus', _.bind(this.hide, this));
    dom(this.container.querySelector('.insert')).on('click', _.bind(this.insertImage, this));
    dom(this.container.querySelector('.cancel')).on('click', _.bind(this.hide, this));
    dom(this.textbox).on('input', _.bind(this._preview, this));
    this.initTextbox(this.textbox, this.insertImage, this.hide);
    return this.quill.onModuleLoad('toolbar', (function(_this) {
      return function(toolbar) {
        _this.toolbar = toolbar;
        return toolbar.initFormat('image', _.bind(_this._onToolbar, _this));
      };
    })(this));
  };

  ImageTooltip.prototype.insertImage = function() {
    var index, url;
    url = this._normalizeURL(this.textbox.value);
    if (this.range == null) {
      this.range = new Range(0, 0);
    }
    if (this.range) {
      this.preview.innerHTML = '<span>Preview</span>';
      this.textbox.value = '';
      index = this.range.end;
      this.quill.insertEmbed(index, 'image', url, 'user');
      this.quill.setSelection(index + 1, index + 1);
    }
    return this.hide();
  };

  ImageTooltip.prototype._onToolbar = function(range, value) {
    if (value) {
      if (!this.textbox.value) {
        this.textbox.value = 'http://';
      }
      this.show();
      this.textbox.focus();
      return _.defer((function(_this) {
        return function() {
          return _this.textbox.setSelectionRange(_this.textbox.value.length, _this.textbox.value.length);
        };
      })(this));
    } else {
      this.quill.deleteText(range, 'user');
      return this.toolbar.setActive('image', false);
    }
  };

  ImageTooltip.prototype._preview = function() {
    var img;
    if (!this._matchImageURL(this.textbox.value)) {
      return;
    }
    if (this.preview.firstChild.tagName === 'IMG') {
      return this.preview.firstChild.setAttribute('src', this.textbox.value);
    } else {
      img = document.createElement('img');
      img.setAttribute('src', this.textbox.value);
      return this.preview.replaceChild(img, this.preview.firstChild);
    }
  };

  ImageTooltip.prototype._matchImageURL = function(url) {
    return /^https?:\/\/.+\.(jpe?g|gif|png)$/.test(url);
  };

  ImageTooltip.prototype._normalizeURL = function(url) {
    if (!/^https?:\/\//.test(url)) {
      url = 'http://' + url;
    }
    return url;
  };

  return ImageTooltip;

})(Tooltip);

Quill.registerModule('image-tooltip', ImageTooltip);

module.exports = ImageTooltip;


},{"../quill":30,"./tooltip":28}],23:[function(_dereq_,module,exports){
var Delta, Keyboard, Quill, _, dom;

Quill = _dereq_('../quill');

_ = Quill.require('lodash');

dom = Quill.require('dom');

Delta = Quill.require('delta');

Keyboard = (function() {
  Keyboard.hotkeys = {
    BOLD: {
      key: 'B',
      metaKey: true
    },
    INDENT: {
      key: dom.KEYS.TAB
    },
    ITALIC: {
      key: 'I',
      metaKey: true
    },
    OUTDENT: {
      key: dom.KEYS.TAB,
      shiftKey: true
    },
    UNDERLINE: {
      key: 'U',
      metaKey: true
    }
  };

  function Keyboard(quill, options) {
    this.quill = quill;
    this.hotkeys = {};
    this._initListeners();
    this._initHotkeys();
    this.quill.onModuleLoad('toolbar', (function(_this) {
      return function(toolbar) {
        return _this.toolbar = toolbar;
      };
    })(this));
  }

  Keyboard.prototype.addHotkey = function(hotkeys, callback) {
    if (!Array.isArray(hotkeys)) {
      hotkeys = [hotkeys];
    }
    return _.each(hotkeys, (function(_this) {
      return function(hotkey) {
        var base, which;
        hotkey = _.isObject(hotkey) ? _.clone(hotkey) : {
          key: hotkey
        };
        hotkey.callback = callback;
        which = _.isNumber(hotkey.key) ? hotkey.key : hotkey.key.toUpperCase().charCodeAt(0);
        if ((base = _this.hotkeys)[which] == null) {
          base[which] = [];
        }
        return _this.hotkeys[which].push(hotkey);
      };
    })(this));
  };

  Keyboard.prototype.toggleFormat = function(range, format) {
    var delta, value;
    if (range.isCollapsed()) {
      delta = this.quill.getContents(Math.max(0, range.start - 1), range.end);
    } else {
      delta = this.quill.getContents(range);
    }
    value = delta.ops.length === 0 || !_.all(delta.ops, function(op) {
      var ref;
      return (ref = op.attributes) != null ? ref[format] : void 0;
    });
    if (range.isCollapsed()) {
      this.quill.prepareFormat(format, value, Quill.sources.USER);
    } else {
      this.quill.formatText(range, format, value, Quill.sources.USER);
    }
    if (this.toolbar != null) {
      return this.toolbar.setActive(format, value);
    }
  };

  Keyboard.prototype._initEnter = function() {
    var keys;
    keys = [
      {
        key: dom.KEYS.ENTER
      }, {
        key: dom.KEYS.ENTER,
        shiftKey: true
      }
    ];
    return this.addHotkey(keys, (function(_this) {
      return function(range, hotkey) {
        var delta, leaf, line, offset, ref, ref1;
        if (range == null) {
          return true;
        }
        ref = _this.quill.editor.doc.findLineAt(range.start), line = ref[0], offset = ref[1];
        ref1 = line.findLeafAt(offset), leaf = ref1[0], offset = ref1[1];
        delta = new Delta().retain(range.start).insert('\n', line.formats)["delete"](range.end - range.start);
        _this.quill.updateContents(delta, Quill.sources.USER);
        _.each(leaf.formats, function(value, format) {
          _this.quill.prepareFormat(format, value);
          if (_this.toolbar != null) {
            return _this.toolbar.setActive(format, value);
          }
        });
        return false;
      };
    })(this));
  };

  Keyboard.prototype._initDeletes = function() {
    return this.addHotkey([dom.KEYS.DELETE, dom.KEYS.BACKSPACE], (function(_this) {
      return function(range, hotkey) {
        var format, line, offset, ref;
        if ((range != null) && _this.quill.getLength() > 0) {
          if (range.start !== range.end) {
            _this.quill.deleteText(range.start, range.end, Quill.sources.USER);
          } else {
            if (hotkey.key === dom.KEYS.BACKSPACE) {
              ref = _this.quill.editor.doc.findLineAt(range.start), line = ref[0], offset = ref[1];
              if (offset === 0 && (line.formats.bullet || line.formats.list)) {
                format = line.formats.bullet ? 'bullet' : 'list';
                _this.quill.formatLine(range.start, range.start, format, false);
              } else if (range.start > 0) {
                _this.quill.deleteText(range.start - 1, range.start, Quill.sources.USER);
              }
            } else if (range.start < _this.quill.getLength() - 1) {
              _this.quill.deleteText(range.start, range.start + 1, Quill.sources.USER);
            }
          }
        }
        return false;
      };
    })(this));
  };

  Keyboard.prototype._initHotkeys = function() {
    this.addHotkey(Keyboard.hotkeys.INDENT, (function(_this) {
      return function(range) {
        _this._onTab(range, false);
        return false;
      };
    })(this));
    this.addHotkey(Keyboard.hotkeys.OUTDENT, (function(_this) {
      return function(range) {
        return false;
      };
    })(this));
    _.each(['bold', 'italic', 'underline'], (function(_this) {
      return function(format) {
        return _this.addHotkey(Keyboard.hotkeys[format.toUpperCase()], function(range) {
          _this.toggleFormat(range, format);
          return false;
        });
      };
    })(this));
    this._initDeletes();
    return this._initEnter();
  };

  Keyboard.prototype._initListeners = function() {
    return dom(this.quill.root).on('keydown', (function(_this) {
      return function(event) {
        var prevent;
        prevent = false;
        _.each(_this.hotkeys[event.which], function(hotkey) {
          var metaKey;
          metaKey = dom.isMac() ? event.metaKey : event.metaKey || event.ctrlKey;
          if (!!hotkey.metaKey !== !!metaKey) {
            return;
          }
          if (!!hotkey.shiftKey !== !!event.shiftKey) {
            return;
          }
          if (!!hotkey.altKey !== !!event.altKey) {
            return;
          }
          prevent = hotkey.callback(_this.quill.getSelection(), hotkey, event) === false || prevent;
          return true;
        });
        return !prevent;
      };
    })(this));
  };

  Keyboard.prototype._onTab = function(range, shift) {
    var delta;
    if (shift == null) {
      shift = false;
    }
    delta = new Delta().retain(range.start).insert("\t")["delete"](range.end - range.start).retain(this.quill.getLength() - range.end);
    this.quill.updateContents(delta, Quill.sources.USER);
    return this.quill.setSelection(range.start + 1, range.start + 1);
  };

  return Keyboard;

})();

Quill.registerModule('keyboard', Keyboard);

module.exports = Keyboard;


},{"../quill":30}],24:[function(_dereq_,module,exports){
var LinkTooltip, Quill, Tooltip, _, dom,
  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
  hasProp = {}.hasOwnProperty;

Quill = _dereq_('../quill');

Tooltip = _dereq_('./tooltip');

_ = Quill.require('lodash');

dom = Quill.require('dom');

LinkTooltip = (function(superClass) {
  extend(LinkTooltip, superClass);

  LinkTooltip.DEFAULTS = {
    maxLength: 50,
    template: '<span class="title">Visit URL:&nbsp;</span> <a href="#" class="url" target="_blank" href="about:blank"></a> <input class="input" type="text"> <span>&nbsp;&#45;&nbsp;</span> <a href="javascript:;" class="change">Change</a> <a href="javascript:;" class="remove">Remove</a> <a href="javascript:;" class="done">Done</a>',
    target: '_self'
  };

  LinkTooltip.hotkeys = {
    LINK: {
      key: 'K',
      metaKey: true
    }
  };

  function LinkTooltip(quill, options) {
    this.quill = quill;
    this.options = options;
    this.options = _.defaults(this.options, Tooltip.DEFAULTS);
    LinkTooltip.__super__.constructor.call(this, this.quill, this.options);
    dom(this.container).addClass('ql-link-tooltip');
    this.textbox = this.container.querySelector('.input');
    this.link = this.container.querySelector('.url');
    this.initListeners();
  }

  LinkTooltip.prototype.initListeners = function() {
    this.quill.on(this.quill.constructor.events.SELECTION_CHANGE, (function(_this) {
      return function(range) {
        var anchor;
        if (!((range != null) && range.isCollapsed())) {
          return;
        }
        anchor = _this._findAnchor(range);
        if (anchor) {
          _this.setMode(anchor.href, false);
          return _this.show(anchor);
        } else if (_this.container.style.left !== Tooltip.HIDE_MARGIN) {
          _this.range = null;
          return _this.hide();
        }
      };
    })(this));
    dom(this.container.querySelector('.done')).on('click', _.bind(this.saveLink, this));
    dom(this.container.querySelector('.remove')).on('click', (function(_this) {
      return function() {
        return _this.removeLink(_this.range);
      };
    })(this));
    dom(this.container.querySelector('.change')).on('click', (function(_this) {
      return function() {
        return _this.setMode(_this.link.href, true);
      };
    })(this));
    this.initTextbox(this.textbox, this.saveLink, this.hide);
    this.quill.onModuleLoad('toolbar', (function(_this) {
      return function(toolbar) {
        _this.toolbar = toolbar;
        return toolbar.initFormat('link', _.bind(_this._onToolbar, _this));
      };
    })(this));
    return this.quill.onModuleLoad('keyboard', (function(_this) {
      return function(keyboard) {
        return keyboard.addHotkey(LinkTooltip.hotkeys.LINK, _.bind(_this._onKeyboard, _this));
      };
    })(this));
  };

  LinkTooltip.prototype.saveLink = function() {
    var anchor, end, url;
    url = this._normalizeURL(this.textbox.value);
    if (this.range != null) {
      end = this.range.end;
      if (this.range.isCollapsed()) {
        anchor = this._findAnchor(this.range);
        if (anchor != null) {
          anchor.href = url;
        }
      } else {
        this.quill.formatText(this.range, 'link', url, 'user');
      }
      this.quill.setSelection(end, end);
    }
    return this.setMode(url, false);
  };

  LinkTooltip.prototype.removeLink = function(range) {
    if (range.isCollapsed()) {
      range = this._expandRange(range);
    }
    this.hide();
    this.quill.formatText(range, 'link', false, 'user');
    if (this.toolbar != null) {
      return this.toolbar.setActive('link', false);
    }
  };

  LinkTooltip.prototype.setMode = function(url, edit) {
    var text;
    if (edit == null) {
      edit = false;
    }
    if (edit) {
      this.textbox.value = url;
      _.defer((function(_this) {
        return function() {
          _this.textbox.focus();
          return _this.textbox.setSelectionRange(0, url.length);
        };
      })(this));
    } else {
      this.link.href = url;
      url = this.link.href;
      text = url.length > this.options.maxLength ? url.slice(0, this.options.maxLength) + '...' : url;
      dom(this.link).text(text);
    }
    return dom(this.container).toggleClass('editing', edit);
  };

  LinkTooltip.prototype._findAnchor = function(range) {
    var leaf, node, offset, ref;
    ref = this.quill.editor.doc.findLeafAt(range.start, true), leaf = ref[0], offset = ref[1];
    if (leaf != null) {
      node = leaf.node;
    }
    while ((node != null) && node !== this.quill.root) {
      if (node.tagName === 'A') {
        return node;
      }
      node = node.parentNode;
    }
    return null;
  };

  LinkTooltip.prototype._expandRange = function(range) {
    var end, leaf, offset, ref, start;
    ref = this.quill.editor.doc.findLeafAt(range.start, true), leaf = ref[0], offset = ref[1];
    start = range.start - offset;
    end = start + leaf.length;
    return {
      start: start,
      end: end
    };
  };

  LinkTooltip.prototype._onToolbar = function(range, value) {
    return this._toggle(range, value);
  };

  LinkTooltip.prototype._onKeyboard = function() {
    var range;
    range = this.quill.getSelection();
    return this._toggle(range, !this._findAnchor(range));
  };

  LinkTooltip.prototype._toggle = function(range, value) {
    var nativeRange;
    if (!range) {
      return;
    }
    if (!value) {
      return this.removeLink(range);
    } else if (!range.isCollapsed()) {
      this.setMode(this._suggestURL(range), true);
      nativeRange = this.quill.editor.selection._getNativeRange();
      return this.show(nativeRange);
    }
  };

  LinkTooltip.prototype._normalizeURL = function(url) {
    if (!/^(https?:\/\/|mailto:)/.test(url)) {
      url = 'http://' + url;
    }
    return url;
  };

  LinkTooltip.prototype._suggestURL = function(range) {
    var text;
    text = this.quill.getText(range);
    return this._normalizeURL(text);
  };

  return LinkTooltip;

})(Tooltip);

Quill.registerModule('link-tooltip', LinkTooltip);

module.exports = LinkTooltip;


},{"../quill":30,"./tooltip":28}],25:[function(_dereq_,module,exports){
var EventEmitter2, MultiCursor, Quill, _, dom,
  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
  hasProp = {}.hasOwnProperty;

Quill = _dereq_('../quill');

EventEmitter2 = _dereq_('eventemitter2').EventEmitter2;

_ = Quill.require('lodash');

dom = Quill.require('dom');

MultiCursor = (function(superClass) {
  extend(MultiCursor, superClass);

  MultiCursor.DEFAULTS = {
    template: '<span class="cursor-flag"> <span class="cursor-name"></span> </span> <span class="cursor-caret"></span>',
    timeout: 2500
  };

  MultiCursor.events = {
    CURSOR_ADDED: 'cursor-addded',
    CURSOR_MOVED: 'cursor-moved',
    CURSOR_REMOVED: 'cursor-removed'
  };

  function MultiCursor(quill, options) {
    this.quill = quill;
    this.options = options;
    this.cursors = {};
    this.container = this.quill.addContainer('ql-multi-cursor', true);
    this.quill.on(this.quill.constructor.events.TEXT_CHANGE, _.bind(this._applyDelta, this));
  }

  MultiCursor.prototype.clearCursors = function() {
    _.each(Object.keys(this.cursors), _.bind(this.removeCursor, this));
    return this.cursors = {};
  };

  MultiCursor.prototype.moveCursor = function(userId, index) {
    var cursor;
    cursor = this.cursors[userId];
    cursor.index = index;
    dom(cursor.elem).removeClass('hidden');
    clearTimeout(cursor.timer);
    cursor.timer = setTimeout((function(_this) {
      return function() {
        dom(cursor.elem).addClass('hidden');
        return cursor.timer = null;
      };
    })(this), this.options.timeout);
    this._updateCursor(cursor);
    return cursor;
  };

  MultiCursor.prototype.removeCursor = function(userId) {
    var cursor;
    cursor = this.cursors[userId];
    this.emit(MultiCursor.events.CURSOR_REMOVED, cursor);
    if (cursor != null) {
      cursor.elem.parentNode.removeChild(cursor.elem);
    }
    return delete this.cursors[userId];
  };

  MultiCursor.prototype.setCursor = function(userId, index, name, color) {
    var cursor;
    if (this.cursors[userId] == null) {
      this.cursors[userId] = cursor = {
        userId: userId,
        index: index,
        color: color,
        elem: this._buildCursor(name, color)
      };
      this.emit(MultiCursor.events.CURSOR_ADDED, cursor);
    }
    _.defer((function(_this) {
      return function() {
        return _this.moveCursor(userId, index);
      };
    })(this));
    return this.cursors[userId];
  };

  MultiCursor.prototype.shiftCursors = function(index, length, authorId) {
    if (authorId == null) {
      authorId = null;
    }
    return _.each(this.cursors, (function(_this) {
      return function(cursor, id) {
        if (!(cursor && (cursor.index > index || cursor.userId === authorId))) {
          return;
        }
        return cursor.index += Math.max(length, index - cursor.index);
      };
    })(this));
  };

  MultiCursor.prototype.update = function() {
    return _.each(this.cursors, (function(_this) {
      return function(cursor, id) {
        if (cursor == null) {
          return;
        }
        _this._updateCursor(cursor);
        return true;
      };
    })(this));
  };

  MultiCursor.prototype._applyDelta = function(delta) {
    var index;
    index = 0;
    _.each(delta.ops, (function(_this) {
      return function(op) {
        var length, ref;
        length = 0;
        if (op.insert != null) {
          length = op.insert.length || 1;
          _this.shiftCursors(index, length, (ref = op.attributes) != null ? ref['author'] : void 0);
        } else if (op["delete"] != null) {
          _this.shiftCursors(index, -1 * op["delete"], null);
        } else if (op.retain != null) {
          _this.shiftCursors(index, 0, null);
          length = op.retain;
        }
        return index += length;
      };
    })(this));
    return this.update();
  };

  MultiCursor.prototype._buildCursor = function(name, color) {
    var cursor, cursorCaret, cursorFlag, cursorName;
    cursor = document.createElement('span');
    dom(cursor).addClass('cursor');
    cursor.innerHTML = this.options.template;
    cursorFlag = cursor.querySelector('.cursor-flag');
    cursorName = cursor.querySelector('.cursor-name');
    dom(cursorName).text(name);
    cursorCaret = cursor.querySelector('.cursor-caret');
    cursorCaret.style.backgroundColor = cursorName.style.backgroundColor = color;
    this.container.appendChild(cursor);
    return cursor;
  };

  MultiCursor.prototype._updateCursor = function(cursor) {
    var bounds, flag;
    bounds = this.quill.getBounds(cursor.index);
    cursor.elem.style.top = (bounds.top + this.quill.container.scrollTop) + 'px';
    cursor.elem.style.left = bounds.left + 'px';
    cursor.elem.style.height = bounds.height + 'px';
    flag = cursor.elem.querySelector('.cursor-flag');
    dom(cursor.elem).toggleClass('top', parseInt(cursor.elem.style.top) <= flag.offsetHeight).toggleClass('left', parseInt(cursor.elem.style.left) <= flag.offsetWidth).toggleClass('right', this.quill.root.offsetWidth - parseInt(cursor.elem.style.left) <= flag.offsetWidth);
    return this.emit(MultiCursor.events.CURSOR_MOVED, cursor);
  };

  return MultiCursor;

})(EventEmitter2);

Quill.registerModule('multi-cursor', MultiCursor);

module.exports = MultiCursor;


},{"../quill":30,"eventemitter2":2}],26:[function(_dereq_,module,exports){
var Delta, Document, PasteManager, Quill, _, dom;

Quill = _dereq_('../quill');

Document = _dereq_('../core/document');

_ = Quill.require('lodash');

dom = Quill.require('dom');

Delta = Quill.require('delta');

PasteManager = (function() {
  function PasteManager(quill, options) {
    this.quill = quill;
    this.options = options;
    this.container = this.quill.addContainer('ql-paste-manager');
    this.container.setAttribute('contenteditable', true);
    dom(this.quill.root).on('paste', _.bind(this._paste, this));
  }

  PasteManager.prototype._paste = function() {
    var oldDocLength, range;
    oldDocLength = this.quill.getLength();
    range = this.quill.getSelection();
    if (range == null) {
      return;
    }
    this.container.focus();
    return _.defer((function(_this) {
      return function() {
        var delta, doc, lengthAdded, line, lineBottom, offset, ref, windowBottom;
        doc = new Document(_this.container, _this.quill.options);
        delta = doc.toDelta();
        lengthAdded = Math.max(0, delta.length() - 1);
        if (lengthAdded > 0) {
          delta = delta.compose(new Delta().retain(lengthAdded)["delete"](1));
          if (range.start > 0) {
            delta.ops.unshift({
              retain: range.start
            });
          }
          delta["delete"](range.end - range.start);
          _this.quill.updateContents(delta, 'user');
        }
        _this.quill.setSelection(range.start + lengthAdded, range.start + lengthAdded);
        ref = _this.quill.editor.doc.findLineAt(range.start + lengthAdded), line = ref[0], offset = ref[1];
        lineBottom = line.node.getBoundingClientRect().bottom;
        windowBottom = document.documentElement.clientHeight;
        if (lineBottom > windowBottom) {
          line.node.scrollIntoView(false);
        }
        return _this.container.innerHTML = "";
      };
    })(this));
  };

  return PasteManager;

})();

Quill.registerModule('paste-manager', PasteManager);

module.exports = PasteManager;


},{"../core/document":8,"../quill":30}],27:[function(_dereq_,module,exports){
var Quill, Toolbar, _, dom;

Quill = _dereq_('../quill');

_ = Quill.require('lodash');

dom = Quill.require('dom');

Toolbar = (function() {
  Toolbar.DEFAULTS = {
    container: null
  };

  Toolbar.formats = {
    LINE: {
      'align': 'align',
      'bullet': 'bullet',
      'list': 'list'
    },
    SELECT: {
      'align': 'align',
      'background': 'background',
      'color': 'color',
      'font': 'font',
      'size': 'size'
    },
    TOGGLE: {
      'bold': 'bold',
      'bullet': 'bullet',
      'image': 'image',
      'italic': 'italic',
      'link': 'link',
      'list': 'list',
      'strike': 'strike',
      'underline': 'underline'
    },
    TOOLTIP: {
      'image': 'image',
      'link': 'link'
    }
  };

  function Toolbar(quill, options) {
    this.quill = quill;
    this.options = options;
    if (_.isString(this.options) || _.isElement(this.options)) {
      this.options = {
        container: this.options
      };
    }
    if (this.options.container == null) {
      throw new Error('container required for toolbar', this.options);
    }
    this.container = _.isString(this.options.container) ? document.querySelector(this.options.container) : this.options.container;
    this.inputs = {};
    this.preventUpdate = false;
    this.triggering = false;
    _.each(this.quill.options.formats, (function(_this) {
      return function(name) {
        if (Toolbar.formats.TOOLTIP[name] != null) {
          return;
        }
        return _this.initFormat(name, _.bind(_this._applyFormat, _this, name));
      };
    })(this));
    this.quill.on(Quill.events.FORMAT_INIT, (function(_this) {
      return function(name) {
        if (Toolbar.formats.TOOLTIP[name] != null) {
          return;
        }
        return _this.initFormat(name, _.bind(_this._applyFormat, _this, name));
      };
    })(this));
    this.quill.on(Quill.events.SELECTION_CHANGE, (function(_this) {
      return function(range) {
        if (range != null) {
          return _this.updateActive(range);
        }
      };
    })(this));
    this.quill.on(Quill.events.TEXT_CHANGE, (function(_this) {
      return function() {
        return _this.updateActive();
      };
    })(this));
    this.quill.onModuleLoad('keyboard', (function(_this) {
      return function(keyboard) {
        return keyboard.addHotkey([dom.KEYS.BACKSPACE, dom.KEYS.DELETE], function() {
          return _.defer(_.bind(_this.updateActive, _this));
        });
      };
    })(this));
    dom(this.container).addClass('ql-toolbar');
    if (dom.isIOS()) {
      dom(this.container).addClass('ios');
    }
  }

  Toolbar.prototype.initFormat = function(format, callback) {
    var eventName, input, selector;
    selector = ".ql-" + format;
    if (Toolbar.formats.SELECT[format] != null) {
      selector = "select" + selector;
      eventName = 'change';
    } else {
      eventName = 'click';
    }
    input = this.container.querySelector(selector);
    if (input == null) {
      return;
    }
    this.inputs[format] = input;
    return dom(input).on(eventName, (function(_this) {
      return function() {
        var range, value;
        value = eventName === 'change' ? dom(input).value() : !dom(input).hasClass('ql-active');
        _this.preventUpdate = true;
        _this.quill.focus();
        range = _this.quill.getSelection();
        if (range != null) {
          callback(range, value);
        }
        _this.preventUpdate = false;
        return true;
      };
    })(this));
  };

  Toolbar.prototype.setActive = function(format, value) {
    var $input, input, ref, selectValue;
    if (format === 'image') {
      value = false;
    }
    input = this.inputs[format];
    if (input == null) {
      return;
    }
    $input = dom(input);
    if (input.tagName === 'SELECT') {
      this.triggering = true;
      selectValue = $input.value(input);
      if (value == null) {
        value = (ref = $input["default"]()) != null ? ref.value : void 0;
      }
      if (Array.isArray(value)) {
        value = '';
      }
      if (value !== selectValue) {
        if (value != null) {
          $input.option(value);
        } else {
          $input.reset();
        }
      }
      return this.triggering = false;
    } else {
      return $input.toggleClass('ql-active', value || false);
    }
  };

  Toolbar.prototype.updateActive = function(range, formats) {
    var activeFormats;
    if (formats == null) {
      formats = null;
    }
    range || (range = this.quill.getSelection());
    if (!((range != null) && !this.preventUpdate)) {
      return;
    }
    activeFormats = this._getActive(range);
    return _.each(this.inputs, (function(_this) {
      return function(input, format) {
        if (!Array.isArray(formats) || formats.indexOf(format) > -1) {
          _this.setActive(format, activeFormats[format]);
        }
        return true;
      };
    })(this));
  };

  Toolbar.prototype._applyFormat = function(format, range, value) {
    if (this.triggering) {
      return;
    }
    if (range.isCollapsed()) {
      this.quill.prepareFormat(format, value, 'user');
    } else if (Toolbar.formats.LINE[format] != null) {
      this.quill.formatLine(range, format, value, 'user');
    } else {
      this.quill.formatText(range, format, value, 'user');
    }
    return _.defer((function(_this) {
      return function() {
        _this.updateActive(range, ['bullet', 'list']);
        return _this.setActive(format, value);
      };
    })(this));
  };

  Toolbar.prototype._getActive = function(range) {
    var leafFormats, lineFormats;
    leafFormats = this._getLeafActive(range);
    lineFormats = this._getLineActive(range);
    return _.defaults({}, leafFormats, lineFormats);
  };

  Toolbar.prototype._getLeafActive = function(range) {
    var contents, formatsArr, line, offset, ref;
    if (range.isCollapsed()) {
      ref = this.quill.editor.doc.findLineAt(range.start), line = ref[0], offset = ref[1];
      if (offset === 0) {
        contents = this.quill.getContents(range.start, range.end + 1);
      } else {
        contents = this.quill.getContents(range.start - 1, range.end);
      }
    } else {
      contents = this.quill.getContents(range);
    }
    formatsArr = _.map(contents.ops, 'attributes');
    return this._intersectFormats(formatsArr);
  };

  Toolbar.prototype._getLineActive = function(range) {
    var firstLine, formatsArr, lastLine, offset, ref, ref1;
    formatsArr = [];
    ref = this.quill.editor.doc.findLineAt(range.start), firstLine = ref[0], offset = ref[1];
    ref1 = this.quill.editor.doc.findLineAt(range.end), lastLine = ref1[0], offset = ref1[1];
    if ((lastLine != null) && lastLine === firstLine) {
      lastLine = lastLine.next;
    }
    while ((firstLine != null) && firstLine !== lastLine) {
      formatsArr.push(_.clone(firstLine.formats));
      firstLine = firstLine.next;
    }
    return this._intersectFormats(formatsArr);
  };

  Toolbar.prototype._intersectFormats = function(formatsArr) {
    return _.reduce(formatsArr.slice(1), function(activeFormats, formats) {
      var activeKeys, added, formatKeys, intersection, missing;
      if (formats == null) {
        formats = {};
      }
      activeKeys = Object.keys(activeFormats);
      formatKeys = formats != null ? Object.keys(formats) : {};
      intersection = _.intersection(activeKeys, formatKeys);
      missing = _.difference(activeKeys, formatKeys);
      added = _.difference(formatKeys, activeKeys);
      _.each(intersection, function(name) {
        if (Toolbar.formats.SELECT[name] != null) {
          if (Array.isArray(activeFormats[name])) {
            if (activeFormats[name].indexOf(formats[name]) < 0) {
              return activeFormats[name].push(formats[name]);
            }
          } else if (activeFormats[name] !== formats[name]) {
            return activeFormats[name] = [activeFormats[name], formats[name]];
          }
        }
      });
      _.each(missing, function(name) {
        if (Toolbar.formats.TOGGLE[name] != null) {
          return delete activeFormats[name];
        } else if ((Toolbar.formats.SELECT[name] != null) && !Array.isArray(activeFormats[name])) {
          return activeFormats[name] = [activeFormats[name]];
        }
      });
      _.each(added, function(name) {
        if (Toolbar.formats.SELECT[name] != null) {
          return activeFormats[name] = [formats[name]];
        }
      });
      return activeFormats;
    }, formatsArr[0] || {});
  };

  return Toolbar;

})();

Quill.registerModule('toolbar', Toolbar);

module.exports = Toolbar;


},{"../quill":30}],28:[function(_dereq_,module,exports){
var Quill, Tooltip, _, dom;

Quill = _dereq_('../quill');

_ = Quill.require('lodash');

dom = Quill.require('dom');

Tooltip = (function() {
  Tooltip.DEFAULTS = {
    offset: 10,
    template: ''
  };

  Tooltip.HIDE_MARGIN = '-10000px';

  function Tooltip(quill, options) {
    this.quill = quill;
    this.options = options;
    this.container = this.quill.addContainer('ql-tooltip');
    this.container.innerHTML = this.options.template;
    this.hide();
    this.quill.on(this.quill.constructor.events.TEXT_CHANGE, (function(_this) {
      return function(delta, source) {
        if (_this.container.style.left !== Tooltip.HIDE_MARGIN) {
          _this.range = null;
          return _this.hide();
        }
      };
    })(this));
  }

  Tooltip.prototype.initTextbox = function(textbox, enterCallback, escapeCallback) {
    return dom(textbox).on('keydown', (function(_this) {
      return function(event) {
        switch (event.which) {
          case dom.KEYS.ENTER:
            event.preventDefault();
            return enterCallback.call(_this);
          case dom.KEYS.ESCAPE:
            event.preventDefault();
            return escapeCallback.call(_this);
          default:
            return true;
        }
      };
    })(this));
  };

  Tooltip.prototype.hide = function() {
    this.container.style.left = Tooltip.HIDE_MARGIN;
    if (this.range) {
      this.quill.setSelection(this.range);
    }
    return this.range = null;
  };

  Tooltip.prototype.position = function(reference) {
    var left, offsetBottom, offsetLeft, offsetTop, parentBounds, referenceBounds, top;
    if (reference != null) {
      referenceBounds = reference.getBoundingClientRect();
      parentBounds = this.quill.container.getBoundingClientRect();
      offsetLeft = referenceBounds.left - parentBounds.left;
      offsetTop = referenceBounds.top - parentBounds.top;
      offsetBottom = referenceBounds.bottom - parentBounds.bottom;
      left = offsetLeft + referenceBounds.width / 2 - this.container.offsetWidth / 2;
      top = offsetTop + referenceBounds.height + this.options.offset;
      if (top + this.container.offsetHeight > this.quill.container.offsetHeight) {
        top = offsetTop - this.container.offsetHeight - this.options.offset;
      }
      left = Math.max(0, Math.min(left, this.quill.container.offsetWidth - this.container.offsetWidth));
      top = Math.max(0, Math.min(top, this.quill.container.offsetHeight - this.container.offsetHeight));
    } else {
      left = this.quill.container.offsetWidth / 2 - this.container.offsetWidth / 2;
      top = this.quill.container.offsetHeight / 2 - this.container.offsetHeight / 2;
    }
    top += this.quill.container.scrollTop;
    return [left, top];
  };

  Tooltip.prototype.show = function(reference) {
    var left, ref, top;
    this.range = this.quill.getSelection();
    ref = this.position(reference), left = ref[0], top = ref[1];
    this.container.style.left = left + "px";
    this.container.style.top = top + "px";
    return this.container.focus();
  };

  return Tooltip;

})();

Quill.registerModule('tooltip', Tooltip);

module.exports = Tooltip;


},{"../quill":30}],29:[function(_dereq_,module,exports){
var Delta, Quill, UndoManager, _;

Quill = _dereq_('../quill');

_ = Quill.require('lodash');

Delta = Quill.require('delta');

UndoManager = (function() {
  UndoManager.DEFAULTS = {
    delay: 1000,
    maxStack: 100
  };

  UndoManager.hotkeys = {
    UNDO: {
      key: 'Z',
      metaKey: true
    },
    REDO: {
      key: 'Z',
      metaKey: true,
      shiftKey: true
    }
  };

  function UndoManager(quill, options) {
    this.quill = quill;
    this.options = options != null ? options : {};
    this.lastRecorded = 0;
    this.ignoreChange = false;
    this.clear();
    this.initListeners();
  }

  UndoManager.prototype.initListeners = function() {
    this.quill.onModuleLoad('keyboard', (function(_this) {
      return function(keyboard) {
        keyboard.addHotkey(UndoManager.hotkeys.UNDO, function() {
          _this.quill.editor.checkUpdate();
          _this.undo();
          return false;
        });
        return keyboard.addHotkey(UndoManager.hotkeys.REDO, function() {
          _this.quill.editor.checkUpdate();
          _this.redo();
          return false;
        });
      };
    })(this));
    return this.quill.on(this.quill.constructor.events.TEXT_CHANGE, (function(_this) {
      return function(delta, origin) {
        if (_this.ignoreChange) {
          return;
        }
        _this.record(delta, _this.oldDelta);
        return _this.oldDelta = _this.quill.getContents();
      };
    })(this));
  };

  UndoManager.prototype.clear = function() {
    this.stack = {
      undo: [],
      redo: []
    };
    return this.oldDelta = this.quill.getContents();
  };

  UndoManager.prototype.record = function(changeDelta, oldDelta) {
    var change, ignored, timestamp, undoDelta;
    if (!(changeDelta.ops.length > 0)) {
      return;
    }
    this.stack.redo = [];
    try {
      undoDelta = this.quill.getContents().diff(this.oldDelta);
      timestamp = new Date().getTime();
      if (this.lastRecorded + this.options.delay > timestamp && this.stack.undo.length > 0) {
        change = this.stack.undo.pop();
        undoDelta = undoDelta.compose(change.undo);
        changeDelta = change.redo.compose(changeDelta);
      } else {
        this.lastRecorded = timestamp;
      }
      this.stack.undo.push({
        redo: changeDelta,
        undo: undoDelta
      });
      if (this.stack.undo.length > this.options.maxStack) {
        return this.stack.undo.unshift();
      }
    } catch (_error) {
      ignored = _error;
      console.warn('Could not record change... clearing undo stack.');
      return this.clear();
    }
  };

  UndoManager.prototype.redo = function() {
    return this._change('redo', 'undo');
  };

  UndoManager.prototype.undo = function() {
    return this._change('undo', 'redo');
  };

  UndoManager.prototype._getLastChangeIndex = function(delta) {
    var index, lastIndex;
    lastIndex = 0;
    index = 0;
    _.each(delta.ops, function(op) {
      if (op.insert != null) {
        return lastIndex = Math.max(index + (op.insert.length || 1), lastIndex);
      } else if (op["delete"] != null) {
        return lastIndex = Math.max(index, lastIndex);
      } else if (op.retain != null) {
        if (op.attributes != null) {
          lastIndex = Math.max(index + op.retain, lastIndex);
        }
        return index += op.retain;
      }
    });
    return lastIndex;
  };

  UndoManager.prototype._change = function(source, dest) {
    var change, index;
    if (this.stack[source].length > 0) {
      change = this.stack[source].pop();
      this.lastRecorded = 0;
      this.ignoreChange = true;
      this.quill.updateContents(change[source], 'user');
      this.ignoreChange = false;
      index = this._getLastChangeIndex(change[source]);
      this.quill.setSelection(index, index);
      this.oldDelta = this.quill.getContents();
      return this.stack[dest].push(change);
    }
  };

  return UndoManager;

})();

Quill.registerModule('undo-manager', UndoManager);

module.exports = UndoManager;


},{"../quill":30}],30:[function(_dereq_,module,exports){
var Delta, Editor, EventEmitter2, Format, Normalizer, Quill, Range, _, dom, pkg,
  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
  hasProp = {}.hasOwnProperty,
  slice = [].slice;

_ = _dereq_('lodash');

pkg = _dereq_('../package.json');

Delta = _dereq_('rich-text/lib/delta');

EventEmitter2 = _dereq_('eventemitter2').EventEmitter2;

dom = _dereq_('./lib/dom');

Editor = _dereq_('./core/editor');

Format = _dereq_('./core/format');

Normalizer = _dereq_('./core/normalizer');

Range = _dereq_('./lib/range');

Quill = (function(superClass) {
  extend(Quill, superClass);

  Quill.version = pkg.version;

  Quill.editors = [];

  Quill.modules = [];

  Quill.themes = [];

  Quill.DEFAULTS = {
    formats: ['align', 'bold', 'italic', 'strike', 'underline', 'color', 'background', 'font', 'size', 'link', 'image', 'bullet', 'list'],
    modules: {
      'keyboard': true,
      'paste-manager': true,
      'undo-manager': true
    },
    pollInterval: 100,
    readOnly: false,
    styles: {},
    theme: 'base'
  };

  Quill.events = {
    FORMAT_INIT: 'format-init',
    MODULE_INIT: 'module-init',
    POST_EVENT: 'post-event',
    PRE_EVENT: 'pre-event',
    SELECTION_CHANGE: 'selection-change',
    TEXT_CHANGE: 'text-change'
  };

  Quill.sources = Editor.sources;

  Quill.registerModule = function(name, module) {
    if (Quill.modules[name] != null) {
      console.warn("Overwriting " + name + " module");
    }
    return Quill.modules[name] = module;
  };

  Quill.registerTheme = function(name, theme) {
    if (Quill.themes[name] != null) {
      console.warn("Overwriting " + name + " theme");
    }
    return Quill.themes[name] = theme;
  };

  Quill.require = function(name) {
    switch (name) {
      case 'lodash':
        return _;
      case 'delta':
        return Delta;
      case 'format':
        return Format;
      case 'normalizer':
        return Normalizer;
      case 'dom':
        return dom;
      case 'range':
        return Range;
      default:
        return null;
    }
  };

  function Quill(container1, options) {
    var html, moduleOptions, themeClass;
    this.container = container1;
    if (options == null) {
      options = {};
    }
    if (_.isString(this.container)) {
      this.container = document.querySelector(this.container);
    }
    if (this.container == null) {
      throw new Error('Invalid Quill container');
    }
    moduleOptions = _.defaults(options.modules || {}, Quill.DEFAULTS.modules);
    html = this.container.innerHTML;
    this.container.innerHTML = '';
    this.options = _.defaults(options, Quill.DEFAULTS);
    this.options.modules = moduleOptions;
    this.options.id = this.id = "ql-editor-" + (Quill.editors.length + 1);
    this.modules = {};
    this.root = this.addContainer('ql-editor');
    this.editor = new Editor(this.root, this, this.options);
    Quill.editors.push(this);
    this.setHTML(html, Quill.sources.SILENT);
    themeClass = Quill.themes[this.options.theme];
    if (themeClass == null) {
      throw new Error("Cannot load " + this.options.theme + " theme. Are you sure you registered it?");
    }
    this.theme = new themeClass(this, this.options);
    _.each(this.options.modules, (function(_this) {
      return function(option, name) {
        return _this.addModule(name, option);
      };
    })(this));
  }

  Quill.prototype.destroy = function() {
    var html;
    html = this.getHTML();
    _.each(this.modules, function(module, name) {
      if (_.isFunction(module.destroy)) {
        return module.destroy();
      }
    });
    this.editor.destroy();
    this.removeAllListeners();
    Quill.editors.splice(_.indexOf(Quill.editors, this), 1);
    return this.container.innerHTML = html;
  };

  Quill.prototype.addContainer = function(className, before) {
    var container, refNode;
    if (before == null) {
      before = false;
    }
    refNode = before ? this.root : null;
    container = document.createElement('div');
    dom(container).addClass(className);
    this.container.insertBefore(container, refNode);
    return container;
  };

  Quill.prototype.addFormat = function(name, config) {
    this.editor.doc.addFormat(name, config);
    return this.emit(Quill.events.FORMAT_INIT, name);
  };

  Quill.prototype.addModule = function(name, options) {
    var moduleClass;
    moduleClass = Quill.modules[name];
    if (moduleClass == null) {
      throw new Error("Cannot load " + name + " module. Are you sure you registered it?");
    }
    if (options === true) {
      options = {};
    }
    options = _.defaults(options, this.theme.constructor.OPTIONS[name] || {}, moduleClass.DEFAULTS || {});
    this.modules[name] = new moduleClass(this, options);
    this.emit(Quill.events.MODULE_INIT, name, this.modules[name]);
    return this.modules[name];
  };

  Quill.prototype.deleteText = function(start, end, source) {
    var delta, formats, ref;
    if (source == null) {
      source = Quill.sources.API;
    }
    ref = this._buildParams(start, end, {}, source), start = ref[0], end = ref[1], formats = ref[2], source = ref[3];
    if (!(end > start)) {
      return;
    }
    delta = new Delta().retain(start)["delete"](end - start);
    return this.editor.applyDelta(delta, source);
  };

  Quill.prototype.emit = function() {
    var args, eventName;
    eventName = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
    Quill.__super__.emit.apply(this, [Quill.events.PRE_EVENT, eventName].concat(slice.call(args)));
    Quill.__super__.emit.apply(this, [eventName].concat(slice.call(args)));
    return Quill.__super__.emit.apply(this, [Quill.events.POST_EVENT, eventName].concat(slice.call(args)));
  };

  Quill.prototype.focus = function() {
    return this.editor.focus();
  };

  Quill.prototype.formatLine = function(start, end, name, value, source) {
    var formats, line, offset, ref, ref1;
    ref = this._buildParams(start, end, name, value, source), start = ref[0], end = ref[1], formats = ref[2], source = ref[3];
    ref1 = this.editor.doc.findLineAt(end), line = ref1[0], offset = ref1[1];
    if (line != null) {
      end += line.length - offset;
    }
    return this.formatText(start, end, formats, source);
  };

  Quill.prototype.formatText = function(start, end, name, value, source) {
    var delta, formats, ref;
    ref = this._buildParams(start, end, name, value, source), start = ref[0], end = ref[1], formats = ref[2], source = ref[3];
    formats = _.reduce(formats, (function(_this) {
      return function(formats, value, name) {
        var format;
        format = _this.editor.doc.formats[name];
        if (!(value && value !== format.config["default"])) {
          formats[name] = null;
        }
        return formats;
      };
    })(this), formats);
    delta = new Delta().retain(start).retain(end - start, formats);
    return this.editor.applyDelta(delta, source);
  };

  Quill.prototype.getBounds = function(index) {
    return this.editor.getBounds(index);
  };

  Quill.prototype.getContents = function(start, end) {
    if (start == null) {
      start = 0;
    }
    if (end == null) {
      end = null;
    }
    if (_.isObject(start)) {
      end = start.end;
      start = start.start;
    }
    return this.editor.delta.slice(start, end);
  };

  Quill.prototype.getHTML = function() {
    return this.editor.doc.getHTML();
  };

  Quill.prototype.getLength = function() {
    return this.editor.length;
  };

  Quill.prototype.getModule = function(name) {
    return this.modules[name];
  };

  Quill.prototype.getSelection = function() {
    this.editor.checkUpdate();
    return this.editor.selection.getRange();
  };

  Quill.prototype.getText = function(start, end) {
    if (start == null) {
      start = 0;
    }
    if (end == null) {
      end = null;
    }
    return _.map(this.getContents(start, end).ops, function(op) {
      if (_.isString(op.insert)) {
        return op.insert;
      } else {
        return '';
      }
    }).join('');
  };

  Quill.prototype.insertEmbed = function(index, type, url, source) {
    var delta, end, formats, ref;
    ref = this._buildParams(index, 0, type, url, source), index = ref[0], end = ref[1], formats = ref[2], source = ref[3];
    delta = new Delta().retain(index).insert(1, formats);
    return this.editor.applyDelta(delta, source);
  };

  Quill.prototype.insertText = function(index, text, name, value, source) {
    var delta, end, formats, ref;
    ref = this._buildParams(index, 0, name, value, source), index = ref[0], end = ref[1], formats = ref[2], source = ref[3];
    if (!(text.length > 0)) {
      return;
    }
    delta = new Delta().retain(index).insert(text, formats);
    return this.editor.applyDelta(delta, source);
  };

  Quill.prototype.onModuleLoad = function(name, callback) {
    if (this.modules[name]) {
      return callback(this.modules[name]);
    }
    return this.on(Quill.events.MODULE_INIT, function(moduleName, module) {
      if (moduleName === name) {
        return callback(module);
      }
    });
  };

  Quill.prototype.prepareFormat = function(name, value, source) {
    var format, range;
    if (source == null) {
      source = Quill.sources.API;
    }
    format = this.editor.doc.formats[name];
    if (format == null) {
      return;
    }
    range = this.getSelection();
    if (!(range != null ? range.isCollapsed() : void 0)) {
      return;
    }
    if (format.isType(Format.types.LINE)) {
      return this.formatLine(range, name, value, source);
    } else {
      return format.prepare(value);
    }
  };

  Quill.prototype.setContents = function(delta, source) {
    var lastOp;
    if (source == null) {
      source = Quill.sources.API;
    }
    if (Array.isArray(delta)) {
      delta = new Delta(delta.slice());
    } else {
      delta = new Delta(delta.ops.slice());
    }
    lastOp = _.last(delta.slice(delta.length() - 1).ops);
    delta["delete"](this.getLength() - 1);
    if ((lastOp != null) && _.isString(lastOp.insert) && _.last(lastOp.insert) === '\n') {
      delta["delete"](1);
    }
    return this.updateContents(delta, source);
  };

  Quill.prototype.setHTML = function(html, source) {
    if (source == null) {
      source = Quill.sources.API;
    }
    if (!html.trim()) {
      html = "<" + dom.DEFAULT_BLOCK_TAG + "><" + dom.DEFAULT_BREAK_TAG + "></" + dom.DEFAULT_BLOCK_TAG + ">";
    }
    this.editor.doc.setHTML(html);
    return this.editor.checkUpdate(source);
  };

  Quill.prototype.setSelection = function(start, end, source) {
    var range;
    if (source == null) {
      source = Quill.sources.API;
    }
    if (_.isNumber(start) && _.isNumber(end)) {
      range = new Range(start, end);
    } else {
      range = start;
      source = end || source;
    }
    return this.editor.selection.setRange(range, source);
  };

  Quill.prototype.setText = function(text, source) {
    var delta;
    if (source == null) {
      source = Quill.sources.API;
    }
    delta = new Delta().insert(text);
    return this.setContents(delta, source);
  };

  Quill.prototype.updateContents = function(delta, source) {
    if (source == null) {
      source = Quill.sources.API;
    }
    if (Array.isArray(delta)) {
      delta = {
        ops: delta
      };
    }
    return this.editor.applyDelta(delta, source);
  };

  Quill.prototype._buildParams = function() {
    var formats, params;
    params = 1 <= arguments.length ? slice.call(arguments, 0) : [];
    if (_.isObject(params[0])) {
      params.splice(0, 1, params[0].start, params[0].end);
    }
    if (_.isString(params[2])) {
      formats = {};
      formats[params[2]] = params[3];
      params.splice(2, 2, formats);
    }
    if (params[3] == null) {
      params[3] = Quill.sources.API;
    }
    return params;
  };

  return Quill;

})(EventEmitter2);

Quill.registerTheme('base', _dereq_('./themes/base'));

Quill.registerTheme('snow', _dereq_('./themes/snow'));

module.exports = Quill;


},{"../package.json":7,"./core/editor":9,"./core/format":10,"./core/normalizer":13,"./lib/dom":17,"./lib/range":20,"./themes/base":32,"./themes/snow":33,"eventemitter2":2,"lodash":1,"rich-text/lib/delta":3}],31:[function(_dereq_,module,exports){
module.exports = ".ql-image-tooltip{padding:10px;width:300px}.ql-image-tooltip:after{clear:both;content:\"\";display:table}.ql-image-tooltip a{border:1px solid #000;box-sizing:border-box;display:inline-block;float:left;padding:5px;text-align:center;width:50%}.ql-image-tooltip img{bottom:0;left:0;margin:auto;max-height:100%;max-width:100%;position:absolute;right:0;top:0}.ql-image-tooltip .input{box-sizing:border-box;width:100%}.ql-image-tooltip .preview{margin:10px 0;position:relative;border:1px dashed #000;height:200px}.ql-image-tooltip .preview span{display:inline-block;position:absolute;text-align:center;top:40%;width:100%}.ql-link-tooltip{padding:5px 10px}.ql-link-tooltip input.input{width:170px}.ql-link-tooltip a.done,.ql-link-tooltip input.input{display:none}.ql-link-tooltip a.change{margin-right:4px}.ql-link-tooltip.editing a.done,.ql-link-tooltip.editing input.input{display:inline-block}.ql-link-tooltip.editing a.change,.ql-link-tooltip.editing a.remove,.ql-link-tooltip.editing a.url{display:none}.ql-multi-cursor{position:absolute;left:0;top:0;z-index:1000}.ql-multi-cursor .cursor{margin-left:-1px;position:absolute}.ql-multi-cursor .cursor-flag{bottom:100%;position:absolute;white-space:nowrap}.ql-multi-cursor .cursor-name{display:inline-block;color:#fff;padding:2px 8px}.ql-multi-cursor .cursor-caret{height:100%;position:absolute;width:2px}.ql-multi-cursor .cursor.hidden .cursor-flag{display:none}.ql-multi-cursor .cursor.top .cursor-flag{bottom:auto;top:100%}.ql-multi-cursor .cursor.right .cursor-flag{right:-2px}.ql-paste-manager{left:-100000px;position:absolute;top:50%}.ql-toolbar{box-sizing:border-box}.ql-tooltip{background-color:#fff;border:1px solid #000;box-sizing:border-box;position:absolute;top:0;white-space:nowrap;z-index:2000}.ql-tooltip a{cursor:pointer;text-decoration:none}.ql-container{box-sizing:border-box;cursor:text;font-family:Helvetica,Arial,sans-serif;font-size:13px;height:100%;line-height:1.42;margin:0;overflow-x:hidden;overflow-y:auto;padding:12px 15px;position:relative}.ql-editor{box-sizing:border-box;min-height:100%;outline:0;tab-size:4;white-space:pre-wrap}.ql-editor div{margin:0;padding:0}.ql-editor a{text-decoration:underline}.ql-editor b{font-weight:700}.ql-editor i{font-style:italic}.ql-editor s{text-decoration:line-through}.ql-editor u{text-decoration:underline}.ql-editor a,.ql-editor b,.ql-editor i,.ql-editor s,.ql-editor span,.ql-editor u{background-color:inherit}.ql-editor img{max-width:100%}.ql-editor blockquote,.ql-editor ol,.ql-editor ul{margin:0 0 0 2em;padding:0}.ql-editor ol{list-style-type:decimal}.ql-editor ul{list-style-type:disc}.ql-editor.ql-ie-10 br,.ql-editor.ql-ie-9 br{display:none}";
},{}],32:[function(_dereq_,module,exports){
var BaseTheme, _, baseStyles, dom;

_ = _dereq_('lodash');

dom = _dereq_('../../lib/dom');

baseStyles = _dereq_('./base.styl');

BaseTheme = (function() {
  BaseTheme.OPTIONS = {};

  BaseTheme.objToCss = function(obj) {
    return _.map(obj, function(value, key) {
      var innerStr;
      innerStr = _.map(value, function(innerValue, innerKey) {
        return innerKey + ": " + innerValue + ";";
      }).join(' ');
      return key + " { " + innerStr + " }";
    }).join("\n");
  };

  function BaseTheme(quill, options) {
    var version;
    this.quill = quill;
    this.options = options;
    dom(this.quill.container).addClass('ql-container');
    if (this.options.styles) {
      this.addStyles(baseStyles + BaseTheme.objToCss(this.options.styles));
    }
    if (dom.isIE(10)) {
      version = dom.isIE(9) ? '9' : '10';
      dom(this.quill.root).addClass('ql-ie-' + version);
    }
  }

  BaseTheme.prototype.addStyles = function(css) {
    var style;
    if (_.isObject(css)) {
      css = BaseTheme.objToCss(css);
    }
    style = document.createElement('style');
    style.type = 'text/css';
    style.appendChild(document.createTextNode(css));
    return document.head.appendChild(style);
  };

  return BaseTheme;

})();

module.exports = BaseTheme;


},{"../../lib/dom":17,"./base.styl":31,"lodash":1}],33:[function(_dereq_,module,exports){
var BaseTheme, ColorPicker, Picker, SnowTheme, _, dom,
  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
  hasProp = {}.hasOwnProperty;

_ = _dereq_('lodash');

ColorPicker = _dereq_('../../lib/color-picker');

BaseTheme = _dereq_('../base');

dom = _dereq_('../../lib/dom');

Picker = _dereq_('../../lib/picker');

SnowTheme = (function(superClass) {
  extend(SnowTheme, superClass);

  SnowTheme.COLORS = ["#000000", "#e60000", "#ff9900", "#ffff00", "#008A00", "#0066cc", "#9933ff", "#ffffff", "#facccc", "#ffebcc", "#ffffcc", "#cce8cc", "#cce0f5", "#ebd6ff", "#bbbbbb", "#f06666", "#ffc266", "#ffff66", "#66b966", "#66a3e0", "#c285ff", "#888888", "#a10000", "#b26b00", "#b2b200", "#006100", "#0047b2", "#6b24b2", "#444444", "#5c0000", "#663d00", "#666600", "#003700", "#002966", "#3d1466"];

  SnowTheme.OPTIONS = {
    'multi-cursor': {
      template: '<span class="cursor-flag"> <span class="cursor-triangle top"></span> <span class="cursor-name"></span> <span class="cursor-triangle bottom"></span> </span> <span class="cursor-caret"></span>'
    }
  };

  function SnowTheme(quill, options) {
    this.quill = quill;
    this.options = options;
    SnowTheme.__super__.constructor.apply(this, arguments);
    dom(this.quill.container).addClass('ql-snow');
    this.pickers = [];
    this.quill.on(this.quill.constructor.events.SELECTION_CHANGE, (function(_this) {
      return function(range) {
        if (range != null) {
          return _.invoke(_this.pickers, 'close');
        }
      };
    })(this));
    this.quill.onModuleLoad('multi-cursor', _.bind(this.extendMultiCursor, this));
    this.quill.onModuleLoad('toolbar', _.bind(this.extendToolbar, this));
  }

  SnowTheme.prototype.extendMultiCursor = function(module) {
    return module.on(module.constructor.events.CURSOR_ADDED, function(cursor) {
      var bottomTriangle, topTriangle;
      bottomTriangle = cursor.elem.querySelector('.cursor-triangle.bottom');
      topTriangle = cursor.elem.querySelector('.cursor-triangle.top');
      return bottomTriangle.style.borderTopColor = topTriangle.style.borderBottomColor = cursor.color;
    });
  };

  SnowTheme.prototype.extendToolbar = function(module) {
    dom(module.container).addClass('ql-snow');
    _.each(['color', 'background', 'font', 'size', 'align'], (function(_this) {
      return function(format) {
        var picker, select;
        select = module.container.querySelector(".ql-" + format);
        if (select == null) {
          return;
        }
        switch (format) {
          case 'font':
          case 'size':
          case 'align':
            picker = new Picker(select);
            break;
          case 'color':
          case 'background':
            picker = new ColorPicker(select);
            _.each(picker.container.querySelectorAll('.ql-picker-item'), function(item, i) {
              if (i < 7) {
                return dom(item).addClass('ql-primary-color');
              }
            });
        }
        if (picker != null) {
          return _this.pickers.push(picker);
        }
      };
    })(this));
    return _.each(dom(module.container).textNodes(), function(node) {
      if (dom(node).text().trim().length === 0) {
        return dom(node).remove();
      }
    });
  };

  return SnowTheme;

})(BaseTheme);

module.exports = SnowTheme;


},{"../../lib/color-picker":16,"../../lib/dom":17,"../../lib/picker":19,"../base":32,"lodash":1}]},{},[15])(15)
});