aframe-gblock/dist/gblock.js

Aframe component loading remixable google blocks models.

// https://github.com/archilogic-com/aframe-gblock
(function () {
	'use strict';

	/**
	 * Appends the elements of `values` to `array`.
	 *
	 * @private
	 * @param {Array} array The array to modify.
	 * @param {Array} values The values to append.
	 * @returns {Array} Returns `array`.
	 */
	function arrayPush(array, values) {
	  var index = -1,
	      length = values.length,
	      offset = array.length;

	  while (++index < length) {
	    array[offset + index] = values[index];
	  }
	  return array;
	}

	var _arrayPush = arrayPush;

	var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};





	function createCommonjsModule(fn, module) {
		return module = { exports: {} }, fn(module, module.exports), module.exports;
	}

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

	var _freeGlobal = freeGlobal;

	/** Detect free variable `self`. */
	var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

	/** Used as a reference to the global object. */
	var root = _freeGlobal || freeSelf || Function('return this')();

	var _root = root;

	/** Built-in value references. */
	var Symbol = _root.Symbol;

	var _Symbol = Symbol;

	/** Used for built-in method references. */
	var objectProto$1 = Object.prototype;

	/** Used to check objects for own properties. */
	var hasOwnProperty$1 = objectProto$1.hasOwnProperty;

	/**
	 * Used to resolve the
	 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
	 * of values.
	 */
	var nativeObjectToString = objectProto$1.toString;

	/** Built-in value references. */
	var symToStringTag$1 = _Symbol ? _Symbol.toStringTag : undefined;

	/**
	 * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
	 *
	 * @private
	 * @param {*} value The value to query.
	 * @returns {string} Returns the raw `toStringTag`.
	 */
	function getRawTag(value) {
	  var isOwn = hasOwnProperty$1.call(value, symToStringTag$1),
	      tag = value[symToStringTag$1];

	  try {
	    value[symToStringTag$1] = undefined;
	    var unmasked = true;
	  } catch (e) {}

	  var result = nativeObjectToString.call(value);
	  if (unmasked) {
	    if (isOwn) {
	      value[symToStringTag$1] = tag;
	    } else {
	      delete value[symToStringTag$1];
	    }
	  }
	  return result;
	}

	var _getRawTag = getRawTag;

	/** Used for built-in method references. */
	var objectProto$2 = Object.prototype;

	/**
	 * Used to resolve the
	 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
	 * of values.
	 */
	var nativeObjectToString$1 = objectProto$2.toString;

	/**
	 * Converts `value` to a string using `Object.prototype.toString`.
	 *
	 * @private
	 * @param {*} value The value to convert.
	 * @returns {string} Returns the converted string.
	 */
	function objectToString(value) {
	  return nativeObjectToString$1.call(value);
	}

	var _objectToString = objectToString;

	/** `Object#toString` result references. */
	var nullTag = '[object Null]';
	var undefinedTag = '[object Undefined]';

	/** Built-in value references. */
	var symToStringTag = _Symbol ? _Symbol.toStringTag : undefined;

	/**
	 * The base implementation of `getTag` without fallbacks for buggy environments.
	 *
	 * @private
	 * @param {*} value The value to query.
	 * @returns {string} Returns the `toStringTag`.
	 */
	function baseGetTag(value) {
	  if (value == null) {
	    return value === undefined ? undefinedTag : nullTag;
	  }
	  return (symToStringTag && symToStringTag in Object(value))
	    ? _getRawTag(value)
	    : _objectToString(value);
	}

	var _baseGetTag = baseGetTag;

	/**
	 * Checks if `value` is object-like. A value is object-like if it's not `null`
	 * and has a `typeof` result of "object".
	 *
	 * @static
	 * @memberOf _
	 * @since 4.0.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
	 * @example
	 *
	 * _.isObjectLike({});
	 * // => true
	 *
	 * _.isObjectLike([1, 2, 3]);
	 * // => true
	 *
	 * _.isObjectLike(_.noop);
	 * // => false
	 *
	 * _.isObjectLike(null);
	 * // => false
	 */
	function isObjectLike(value) {
	  return value != null && typeof value == 'object';
	}

	var isObjectLike_1 = isObjectLike;

	/** `Object#toString` result references. */
	var argsTag = '[object Arguments]';

	/**
	 * The base implementation of `_.isArguments`.
	 *
	 * @private
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is an `arguments` object,
	 */
	function baseIsArguments(value) {
	  return isObjectLike_1(value) && _baseGetTag(value) == argsTag;
	}

	var _baseIsArguments = baseIsArguments;

	/** Used for built-in method references. */
	var objectProto = Object.prototype;

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

	/** Built-in value references. */
	var propertyIsEnumerable = objectProto.propertyIsEnumerable;

	/**
	 * Checks if `value` is likely an `arguments` object.
	 *
	 * @static
	 * @memberOf _
	 * @since 0.1.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is an `arguments` object,
	 *  else `false`.
	 * @example
	 *
	 * _.isArguments(function() { return arguments; }());
	 * // => true
	 *
	 * _.isArguments([1, 2, 3]);
	 * // => false
	 */
	var isArguments = _baseIsArguments(function() { return arguments; }()) ? _baseIsArguments : function(value) {
	  return isObjectLike_1(value) && hasOwnProperty.call(value, 'callee') &&
	    !propertyIsEnumerable.call(value, 'callee');
	};

	var isArguments_1 = isArguments;

	/**
	 * Checks if `value` is classified as an `Array` object.
	 *
	 * @static
	 * @memberOf _
	 * @since 0.1.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is an array, else `false`.
	 * @example
	 *
	 * _.isArray([1, 2, 3]);
	 * // => true
	 *
	 * _.isArray(document.body.children);
	 * // => false
	 *
	 * _.isArray('abc');
	 * // => false
	 *
	 * _.isArray(_.noop);
	 * // => false
	 */
	var isArray = Array.isArray;

	var isArray_1 = isArray;

	/** Built-in value references. */
	var spreadableSymbol = _Symbol ? _Symbol.isConcatSpreadable : undefined;

	/**
	 * Checks if `value` is a flattenable `arguments` object or array.
	 *
	 * @private
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
	 */
	function isFlattenable(value) {
	  return isArray_1(value) || isArguments_1(value) ||
	    !!(spreadableSymbol && value && value[spreadableSymbol]);
	}

	var _isFlattenable = isFlattenable;

	/**
	 * The base implementation of `_.flatten` with support for restricting flattening.
	 *
	 * @private
	 * @param {Array} array The array to flatten.
	 * @param {number} depth The maximum recursion depth.
	 * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
	 * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
	 * @param {Array} [result=[]] The initial result value.
	 * @returns {Array} Returns the new flattened array.
	 */
	function baseFlatten(array, depth, predicate, isStrict, result) {
	  var index = -1,
	      length = array.length;

	  predicate || (predicate = _isFlattenable);
	  result || (result = []);

	  while (++index < length) {
	    var value = array[index];
	    if (depth > 0 && predicate(value)) {
	      if (depth > 1) {
	        // Recursively flatten arrays (susceptible to call stack limits).
	        baseFlatten(value, depth - 1, predicate, isStrict, result);
	      } else {
	        _arrayPush(result, value);
	      }
	    } else if (!isStrict) {
	      result[result.length] = value;
	    }
	  }
	  return result;
	}

	var _baseFlatten = baseFlatten;

	/**
	 * A specialized version of `_.map` for arrays without support for iteratee
	 * shorthands.
	 *
	 * @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 == null ? 0 : array.length,
	      result = Array(length);

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

	var _arrayMap = arrayMap;

	/**
	 * Removes all key-value entries from the list cache.
	 *
	 * @private
	 * @name clear
	 * @memberOf ListCache
	 */
	function listCacheClear() {
	  this.__data__ = [];
	  this.size = 0;
	}

	var _listCacheClear = listCacheClear;

	/**
	 * Performs a
	 * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
	 * comparison between two values to determine if they are equivalent.
	 *
	 * @static
	 * @memberOf _
	 * @since 4.0.0
	 * @category Lang
	 * @param {*} value The value to compare.
	 * @param {*} other The other value to compare.
	 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
	 * @example
	 *
	 * var object = { 'a': 1 };
	 * var other = { 'a': 1 };
	 *
	 * _.eq(object, object);
	 * // => true
	 *
	 * _.eq(object, other);
	 * // => false
	 *
	 * _.eq('a', 'a');
	 * // => true
	 *
	 * _.eq('a', Object('a'));
	 * // => false
	 *
	 * _.eq(NaN, NaN);
	 * // => true
	 */
	function eq(value, other) {
	  return value === other || (value !== value && other !== other);
	}

	var eq_1 = eq;

	/**
	 * Gets the index at which the `key` is found in `array` of key-value pairs.
	 *
	 * @private
	 * @param {Array} array The array to inspect.
	 * @param {*} key The key to search for.
	 * @returns {number} Returns the index of the matched value, else `-1`.
	 */
	function assocIndexOf(array, key) {
	  var length = array.length;
	  while (length--) {
	    if (eq_1(array[length][0], key)) {
	      return length;
	    }
	  }
	  return -1;
	}

	var _assocIndexOf = assocIndexOf;

	/** Used for built-in method references. */
	var arrayProto = Array.prototype;

	/** Built-in value references. */
	var splice = arrayProto.splice;

	/**
	 * Removes `key` and its value from the list cache.
	 *
	 * @private
	 * @name delete
	 * @memberOf ListCache
	 * @param {string} key The key of the value to remove.
	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
	 */
	function listCacheDelete(key) {
	  var data = this.__data__,
	      index = _assocIndexOf(data, key);

	  if (index < 0) {
	    return false;
	  }
	  var lastIndex = data.length - 1;
	  if (index == lastIndex) {
	    data.pop();
	  } else {
	    splice.call(data, index, 1);
	  }
	  --this.size;
	  return true;
	}

	var _listCacheDelete = listCacheDelete;

	/**
	 * Gets the list cache value for `key`.
	 *
	 * @private
	 * @name get
	 * @memberOf ListCache
	 * @param {string} key The key of the value to get.
	 * @returns {*} Returns the entry value.
	 */
	function listCacheGet(key) {
	  var data = this.__data__,
	      index = _assocIndexOf(data, key);

	  return index < 0 ? undefined : data[index][1];
	}

	var _listCacheGet = listCacheGet;

	/**
	 * Checks if a list cache value for `key` exists.
	 *
	 * @private
	 * @name has
	 * @memberOf ListCache
	 * @param {string} key The key of the entry to check.
	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
	 */
	function listCacheHas(key) {
	  return _assocIndexOf(this.__data__, key) > -1;
	}

	var _listCacheHas = listCacheHas;

	/**
	 * Sets the list cache `key` to `value`.
	 *
	 * @private
	 * @name set
	 * @memberOf ListCache
	 * @param {string} key The key of the value to set.
	 * @param {*} value The value to set.
	 * @returns {Object} Returns the list cache instance.
	 */
	function listCacheSet(key, value) {
	  var data = this.__data__,
	      index = _assocIndexOf(data, key);

	  if (index < 0) {
	    ++this.size;
	    data.push([key, value]);
	  } else {
	    data[index][1] = value;
	  }
	  return this;
	}

	var _listCacheSet = listCacheSet;

	/**
	 * Creates an list cache object.
	 *
	 * @private
	 * @constructor
	 * @param {Array} [entries] The key-value pairs to cache.
	 */
	function ListCache(entries) {
	  var index = -1,
	      length = entries == null ? 0 : entries.length;

	  this.clear();
	  while (++index < length) {
	    var entry = entries[index];
	    this.set(entry[0], entry[1]);
	  }
	}

	// Add methods to `ListCache`.
	ListCache.prototype.clear = _listCacheClear;
	ListCache.prototype['delete'] = _listCacheDelete;
	ListCache.prototype.get = _listCacheGet;
	ListCache.prototype.has = _listCacheHas;
	ListCache.prototype.set = _listCacheSet;

	var _ListCache = ListCache;

	/**
	 * Removes all key-value entries from the stack.
	 *
	 * @private
	 * @name clear
	 * @memberOf Stack
	 */
	function stackClear() {
	  this.__data__ = new _ListCache;
	  this.size = 0;
	}

	var _stackClear = stackClear;

	/**
	 * Removes `key` and its value from the stack.
	 *
	 * @private
	 * @name delete
	 * @memberOf Stack
	 * @param {string} key The key of the value to remove.
	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
	 */
	function stackDelete(key) {
	  var data = this.__data__,
	      result = data['delete'](key);

	  this.size = data.size;
	  return result;
	}

	var _stackDelete = stackDelete;

	/**
	 * Gets the stack value for `key`.
	 *
	 * @private
	 * @name get
	 * @memberOf Stack
	 * @param {string} key The key of the value to get.
	 * @returns {*} Returns the entry value.
	 */
	function stackGet(key) {
	  return this.__data__.get(key);
	}

	var _stackGet = stackGet;

	/**
	 * Checks if a stack value for `key` exists.
	 *
	 * @private
	 * @name has
	 * @memberOf Stack
	 * @param {string} key The key of the entry to check.
	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
	 */
	function stackHas(key) {
	  return this.__data__.has(key);
	}

	var _stackHas = stackHas;

	/**
	 * Checks if `value` is the
	 * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
	 * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
	 *
	 * @static
	 * @memberOf _
	 * @since 0.1.0
	 * @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(_.noop);
	 * // => true
	 *
	 * _.isObject(null);
	 * // => false
	 */
	function isObject(value) {
	  var type = typeof value;
	  return value != null && (type == 'object' || type == 'function');
	}

	var isObject_1 = isObject;

	/** `Object#toString` result references. */
	var asyncTag = '[object AsyncFunction]';
	var funcTag = '[object Function]';
	var genTag = '[object GeneratorFunction]';
	var proxyTag = '[object Proxy]';

	/**
	 * Checks if `value` is classified as a `Function` object.
	 *
	 * @static
	 * @memberOf _
	 * @since 0.1.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a function, else `false`.
	 * @example
	 *
	 * _.isFunction(_);
	 * // => true
	 *
	 * _.isFunction(/abc/);
	 * // => false
	 */
	function isFunction(value) {
	  if (!isObject_1(value)) {
	    return false;
	  }
	  // The use of `Object#toString` avoids issues with the `typeof` operator
	  // in Safari 9 which returns 'object' for typed arrays and other constructors.
	  var tag = _baseGetTag(value);
	  return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
	}

	var isFunction_1 = isFunction;

	/** Used to detect overreaching core-js shims. */
	var coreJsData = _root['__core-js_shared__'];

	var _coreJsData = coreJsData;

	/** Used to detect methods masquerading as native. */
	var maskSrcKey = (function() {
	  var uid = /[^.]+$/.exec(_coreJsData && _coreJsData.keys && _coreJsData.keys.IE_PROTO || '');
	  return uid ? ('Symbol(src)_1.' + uid) : '';
	}());

	/**
	 * Checks if `func` has its source masked.
	 *
	 * @private
	 * @param {Function} func The function to check.
	 * @returns {boolean} Returns `true` if `func` is masked, else `false`.
	 */
	function isMasked(func) {
	  return !!maskSrcKey && (maskSrcKey in func);
	}

	var _isMasked = isMasked;

	/** Used for built-in method references. */
	var funcProto$1 = Function.prototype;

	/** Used to resolve the decompiled source of functions. */
	var funcToString$1 = funcProto$1.toString;

	/**
	 * Converts `func` to its source code.
	 *
	 * @private
	 * @param {Function} func The function to convert.
	 * @returns {string} Returns the source code.
	 */
	function toSource(func) {
	  if (func != null) {
	    try {
	      return funcToString$1.call(func);
	    } catch (e) {}
	    try {
	      return (func + '');
	    } catch (e) {}
	  }
	  return '';
	}

	var _toSource = toSource;

	/**
	 * Used to match `RegExp`
	 * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
	 */
	var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;

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

	/** Used for built-in method references. */
	var funcProto = Function.prototype;
	var objectProto$3 = Object.prototype;

	/** Used to resolve the decompiled source of functions. */
	var funcToString = funcProto.toString;

	/** Used to check objects for own properties. */
	var hasOwnProperty$2 = objectProto$3.hasOwnProperty;

	/** Used to detect if a method is native. */
	var reIsNative = RegExp('^' +
	  funcToString.call(hasOwnProperty$2).replace(reRegExpChar, '\\$&')
	  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
	);

	/**
	 * The base implementation of `_.isNative` without bad shim checks.
	 *
	 * @private
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a native function,
	 *  else `false`.
	 */
	function baseIsNative(value) {
	  if (!isObject_1(value) || _isMasked(value)) {
	    return false;
	  }
	  var pattern = isFunction_1(value) ? reIsNative : reIsHostCtor;
	  return pattern.test(_toSource(value));
	}

	var _baseIsNative = baseIsNative;

	/**
	 * Gets the value at `key` of `object`.
	 *
	 * @private
	 * @param {Object} [object] The object to query.
	 * @param {string} key The key of the property to get.
	 * @returns {*} Returns the property value.
	 */
	function getValue(object, key) {
	  return object == null ? undefined : object[key];
	}

	var _getValue = getValue;

	/**
	 * 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 = _getValue(object, key);
	  return _baseIsNative(value) ? value : undefined;
	}

	var _getNative = getNative;

	/* Built-in method references that are verified to be native. */
	var Map = _getNative(_root, 'Map');

	var _Map = Map;

	/* Built-in method references that are verified to be native. */
	var nativeCreate = _getNative(Object, 'create');

	var _nativeCreate = nativeCreate;

	/**
	 * Removes all key-value entries from the hash.
	 *
	 * @private
	 * @name clear
	 * @memberOf Hash
	 */
	function hashClear() {
	  this.__data__ = _nativeCreate ? _nativeCreate(null) : {};
	  this.size = 0;
	}

	var _hashClear = hashClear;

	/**
	 * Removes `key` and its value from the hash.
	 *
	 * @private
	 * @name delete
	 * @memberOf Hash
	 * @param {Object} hash The hash to modify.
	 * @param {string} key The key of the value to remove.
	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
	 */
	function hashDelete(key) {
	  var result = this.has(key) && delete this.__data__[key];
	  this.size -= result ? 1 : 0;
	  return result;
	}

	var _hashDelete = hashDelete;

	/** Used to stand-in for `undefined` hash values. */
	var HASH_UNDEFINED = '__lodash_hash_undefined__';

	/** Used for built-in method references. */
	var objectProto$4 = Object.prototype;

	/** Used to check objects for own properties. */
	var hasOwnProperty$3 = objectProto$4.hasOwnProperty;

	/**
	 * Gets the hash value for `key`.
	 *
	 * @private
	 * @name get
	 * @memberOf Hash
	 * @param {string} key The key of the value to get.
	 * @returns {*} Returns the entry value.
	 */
	function hashGet(key) {
	  var data = this.__data__;
	  if (_nativeCreate) {
	    var result = data[key];
	    return result === HASH_UNDEFINED ? undefined : result;
	  }
	  return hasOwnProperty$3.call(data, key) ? data[key] : undefined;
	}

	var _hashGet = hashGet;

	/** Used for built-in method references. */
	var objectProto$5 = Object.prototype;

	/** Used to check objects for own properties. */
	var hasOwnProperty$4 = objectProto$5.hasOwnProperty;

	/**
	 * Checks if a hash value for `key` exists.
	 *
	 * @private
	 * @name has
	 * @memberOf Hash
	 * @param {string} key The key of the entry to check.
	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
	 */
	function hashHas(key) {
	  var data = this.__data__;
	  return _nativeCreate ? (data[key] !== undefined) : hasOwnProperty$4.call(data, key);
	}

	var _hashHas = hashHas;

	/** Used to stand-in for `undefined` hash values. */
	var HASH_UNDEFINED$1 = '__lodash_hash_undefined__';

	/**
	 * Sets the hash `key` to `value`.
	 *
	 * @private
	 * @name set
	 * @memberOf Hash
	 * @param {string} key The key of the value to set.
	 * @param {*} value The value to set.
	 * @returns {Object} Returns the hash instance.
	 */
	function hashSet(key, value) {
	  var data = this.__data__;
	  this.size += this.has(key) ? 0 : 1;
	  data[key] = (_nativeCreate && value === undefined) ? HASH_UNDEFINED$1 : value;
	  return this;
	}

	var _hashSet = hashSet;

	/**
	 * Creates a hash object.
	 *
	 * @private
	 * @constructor
	 * @param {Array} [entries] The key-value pairs to cache.
	 */
	function Hash(entries) {
	  var index = -1,
	      length = entries == null ? 0 : entries.length;

	  this.clear();
	  while (++index < length) {
	    var entry = entries[index];
	    this.set(entry[0], entry[1]);
	  }
	}

	// Add methods to `Hash`.
	Hash.prototype.clear = _hashClear;
	Hash.prototype['delete'] = _hashDelete;
	Hash.prototype.get = _hashGet;
	Hash.prototype.has = _hashHas;
	Hash.prototype.set = _hashSet;

	var _Hash = Hash;

	/**
	 * Removes all key-value entries from the map.
	 *
	 * @private
	 * @name clear
	 * @memberOf MapCache
	 */
	function mapCacheClear() {
	  this.size = 0;
	  this.__data__ = {
	    'hash': new _Hash,
	    'map': new (_Map || _ListCache),
	    'string': new _Hash
	  };
	}

	var _mapCacheClear = mapCacheClear;

	/**
	 * Checks if `value` is suitable for use as unique object key.
	 *
	 * @private
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
	 */
	function isKeyable(value) {
	  var type = typeof value;
	  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
	    ? (value !== '__proto__')
	    : (value === null);
	}

	var _isKeyable = isKeyable;

	/**
	 * Gets the data for `map`.
	 *
	 * @private
	 * @param {Object} map The map to query.
	 * @param {string} key The reference key.
	 * @returns {*} Returns the map data.
	 */
	function getMapData(map, key) {
	  var data = map.__data__;
	  return _isKeyable(key)
	    ? data[typeof key == 'string' ? 'string' : 'hash']
	    : data.map;
	}

	var _getMapData = getMapData;

	/**
	 * Removes `key` and its value from the map.
	 *
	 * @private
	 * @name delete
	 * @memberOf MapCache
	 * @param {string} key The key of the value to remove.
	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
	 */
	function mapCacheDelete(key) {
	  var result = _getMapData(this, key)['delete'](key);
	  this.size -= result ? 1 : 0;
	  return result;
	}

	var _mapCacheDelete = mapCacheDelete;

	/**
	 * Gets the map value for `key`.
	 *
	 * @private
	 * @name get
	 * @memberOf MapCache
	 * @param {string} key The key of the value to get.
	 * @returns {*} Returns the entry value.
	 */
	function mapCacheGet(key) {
	  return _getMapData(this, key).get(key);
	}

	var _mapCacheGet = mapCacheGet;

	/**
	 * Checks if a map value for `key` exists.
	 *
	 * @private
	 * @name has
	 * @memberOf MapCache
	 * @param {string} key The key of the entry to check.
	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
	 */
	function mapCacheHas(key) {
	  return _getMapData(this, key).has(key);
	}

	var _mapCacheHas = mapCacheHas;

	/**
	 * Sets the map `key` to `value`.
	 *
	 * @private
	 * @name set
	 * @memberOf MapCache
	 * @param {string} key The key of the value to set.
	 * @param {*} value The value to set.
	 * @returns {Object} Returns the map cache instance.
	 */
	function mapCacheSet(key, value) {
	  var data = _getMapData(this, key),
	      size = data.size;

	  data.set(key, value);
	  this.size += data.size == size ? 0 : 1;
	  return this;
	}

	var _mapCacheSet = mapCacheSet;

	/**
	 * Creates a map cache object to store key-value pairs.
	 *
	 * @private
	 * @constructor
	 * @param {Array} [entries] The key-value pairs to cache.
	 */
	function MapCache(entries) {
	  var index = -1,
	      length = entries == null ? 0 : entries.length;

	  this.clear();
	  while (++index < length) {
	    var entry = entries[index];
	    this.set(entry[0], entry[1]);
	  }
	}

	// Add methods to `MapCache`.
	MapCache.prototype.clear = _mapCacheClear;
	MapCache.prototype['delete'] = _mapCacheDelete;
	MapCache.prototype.get = _mapCacheGet;
	MapCache.prototype.has = _mapCacheHas;
	MapCache.prototype.set = _mapCacheSet;

	var _MapCache = MapCache;

	/** Used as the size to enable large array optimizations. */
	var LARGE_ARRAY_SIZE = 200;

	/**
	 * Sets the stack `key` to `value`.
	 *
	 * @private
	 * @name set
	 * @memberOf Stack
	 * @param {string} key The key of the value to set.
	 * @param {*} value The value to set.
	 * @returns {Object} Returns the stack cache instance.
	 */
	function stackSet(key, value) {
	  var data = this.__data__;
	  if (data instanceof _ListCache) {
	    var pairs = data.__data__;
	    if (!_Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
	      pairs.push([key, value]);
	      this.size = ++data.size;
	      return this;
	    }
	    data = this.__data__ = new _MapCache(pairs);
	  }
	  data.set(key, value);
	  this.size = data.size;
	  return this;
	}

	var _stackSet = stackSet;

	/**
	 * Creates a stack cache object to store key-value pairs.
	 *
	 * @private
	 * @constructor
	 * @param {Array} [entries] The key-value pairs to cache.
	 */
	function Stack(entries) {
	  var data = this.__data__ = new _ListCache(entries);
	  this.size = data.size;
	}

	// Add methods to `Stack`.
	Stack.prototype.clear = _stackClear;
	Stack.prototype['delete'] = _stackDelete;
	Stack.prototype.get = _stackGet;
	Stack.prototype.has = _stackHas;
	Stack.prototype.set = _stackSet;

	var _Stack = Stack;

	/** Used to stand-in for `undefined` hash values. */
	var HASH_UNDEFINED$2 = '__lodash_hash_undefined__';

	/**
	 * Adds `value` to the array cache.
	 *
	 * @private
	 * @name add
	 * @memberOf SetCache
	 * @alias push
	 * @param {*} value The value to cache.
	 * @returns {Object} Returns the cache instance.
	 */
	function setCacheAdd(value) {
	  this.__data__.set(value, HASH_UNDEFINED$2);
	  return this;
	}

	var _setCacheAdd = setCacheAdd;

	/**
	 * Checks if `value` is in the array cache.
	 *
	 * @private
	 * @name has
	 * @memberOf SetCache
	 * @param {*} value The value to search for.
	 * @returns {number} Returns `true` if `value` is found, else `false`.
	 */
	function setCacheHas(value) {
	  return this.__data__.has(value);
	}

	var _setCacheHas = setCacheHas;

	/**
	 *
	 * Creates an array cache object to store unique values.
	 *
	 * @private
	 * @constructor
	 * @param {Array} [values] The values to cache.
	 */
	function SetCache(values) {
	  var index = -1,
	      length = values == null ? 0 : values.length;

	  this.__data__ = new _MapCache;
	  while (++index < length) {
	    this.add(values[index]);
	  }
	}

	// Add methods to `SetCache`.
	SetCache.prototype.add = SetCache.prototype.push = _setCacheAdd;
	SetCache.prototype.has = _setCacheHas;

	var _SetCache = SetCache;

	/**
	 * A specialized version of `_.some` for arrays without support for iteratee
	 * shorthands.
	 *
	 * @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 == null ? 0 : array.length;

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

	var _arraySome = arraySome;

	/**
	 * Checks if a `cache` value for `key` exists.
	 *
	 * @private
	 * @param {Object} cache The cache to query.
	 * @param {string} key The key of the entry to check.
	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
	 */
	function cacheHas(cache, key) {
	  return cache.has(key);
	}

	var _cacheHas = cacheHas;

	/** Used to compose bitmasks for value comparisons. */
	var COMPARE_PARTIAL_FLAG$2 = 1;
	var COMPARE_UNORDERED_FLAG$1 = 2;

	/**
	 * 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 {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
	 * @param {Function} customizer The function to customize comparisons.
	 * @param {Function} equalFunc The function to determine equivalents of values.
	 * @param {Object} stack Tracks traversed `array` and `other` objects.
	 * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
	 */
	function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
	  var isPartial = bitmask & COMPARE_PARTIAL_FLAG$2,
	      arrLength = array.length,
	      othLength = other.length;

	  if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
	    return false;
	  }
	  // Assume cyclic values are equal.
	  var stacked = stack.get(array);
	  if (stacked && stack.get(other)) {
	    return stacked == other;
	  }
	  var index = -1,
	      result = true,
	      seen = (bitmask & COMPARE_UNORDERED_FLAG$1) ? new _SetCache : undefined;

	  stack.set(array, other);
	  stack.set(other, array);

	  // Ignore non-index properties.
	  while (++index < arrLength) {
	    var arrValue = array[index],
	        othValue = other[index];

	    if (customizer) {
	      var compared = isPartial
	        ? customizer(othValue, arrValue, index, other, array, stack)
	        : customizer(arrValue, othValue, index, array, other, stack);
	    }
	    if (compared !== undefined) {
	      if (compared) {
	        continue;
	      }
	      result = false;
	      break;
	    }
	    // Recursively compare arrays (susceptible to call stack limits).
	    if (seen) {
	      if (!_arraySome(other, function(othValue, othIndex) {
	            if (!_cacheHas(seen, othIndex) &&
	                (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
	              return seen.push(othIndex);
	            }
	          })) {
	        result = false;
	        break;
	      }
	    } else if (!(
	          arrValue === othValue ||
	            equalFunc(arrValue, othValue, bitmask, customizer, stack)
	        )) {
	      result = false;
	      break;
	    }
	  }
	  stack['delete'](array);
	  stack['delete'](other);
	  return result;
	}

	var _equalArrays = equalArrays;

	/** Built-in value references. */
	var Uint8Array = _root.Uint8Array;

	var _Uint8Array = Uint8Array;

	/**
	 * Converts `map` to its key-value pairs.
	 *
	 * @private
	 * @param {Object} map The map to convert.
	 * @returns {Array} Returns the key-value pairs.
	 */
	function mapToArray(map) {
	  var index = -1,
	      result = Array(map.size);

	  map.forEach(function(value, key) {
	    result[++index] = [key, value];
	  });
	  return result;
	}

	var _mapToArray = mapToArray;

	/**
	 * Converts `set` to an array of its values.
	 *
	 * @private
	 * @param {Object} set The set to convert.
	 * @returns {Array} Returns the values.
	 */
	function setToArray(set) {
	  var index = -1,
	      result = Array(set.size);

	  set.forEach(function(value) {
	    result[++index] = value;
	  });
	  return result;
	}

	var _setToArray = setToArray;

	/** Used to compose bitmasks for value comparisons. */
	var COMPARE_PARTIAL_FLAG$3 = 1;
	var COMPARE_UNORDERED_FLAG$2 = 2;

	/** `Object#toString` result references. */
	var boolTag = '[object Boolean]';
	var dateTag = '[object Date]';
	var errorTag = '[object Error]';
	var mapTag = '[object Map]';
	var numberTag = '[object Number]';
	var regexpTag = '[object RegExp]';
	var setTag = '[object Set]';
	var stringTag = '[object String]';
	var symbolTag = '[object Symbol]';

	var arrayBufferTag = '[object ArrayBuffer]';
	var dataViewTag = '[object DataView]';

	/** Used to convert symbols to primitives and strings. */
	var symbolProto = _Symbol ? _Symbol.prototype : undefined;
	var symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;

	/**
	 * 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} object The object to compare.
	 * @param {Object} other The other object to compare.
	 * @param {string} tag The `toStringTag` of the objects to compare.
	 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
	 * @param {Function} customizer The function to customize comparisons.
	 * @param {Function} equalFunc The function to determine equivalents of values.
	 * @param {Object} stack Tracks traversed `object` and `other` objects.
	 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
	 */
	function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
	  switch (tag) {
	    case dataViewTag:
	      if ((object.byteLength != other.byteLength) ||
	          (object.byteOffset != other.byteOffset)) {
	        return false;
	      }
	      object = object.buffer;
	      other = other.buffer;

	    case arrayBufferTag:
	      if ((object.byteLength != other.byteLength) ||
	          !equalFunc(new _Uint8Array(object), new _Uint8Array(other))) {
	        return false;
	      }
	      return true;

	    case boolTag:
	    case dateTag:
	    case numberTag:
	      // Coerce booleans to `1` or `0` and dates to milliseconds.
	      // Invalid dates are coerced to `NaN`.
	      return eq_1(+object, +other);

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

	    case regexpTag:
	    case stringTag:
	      // Coerce regexes to strings and treat strings, primitives and objects,
	      // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
	      // for more details.
	      return object == (other + '');

	    case mapTag:
	      var convert = _mapToArray;

	    case setTag:
	      var isPartial = bitmask & COMPARE_PARTIAL_FLAG$3;
	      convert || (convert = _setToArray);

	      if (object.size != other.size && !isPartial) {
	        return false;
	      }
	      // Assume cyclic values are equal.
	      var stacked = stack.get(object);
	      if (stacked) {
	        return stacked == other;
	      }
	      bitmask |= COMPARE_UNORDERED_FLAG$2;

	      // Recursively compare objects (susceptible to call stack limits).
	      stack.set(object, other);
	      var result = _equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
	      stack['delete'](object);
	      return result;

	    case symbolTag:
	      if (symbolValueOf) {
	        return symbolValueOf.call(object) == symbolValueOf.call(other);
	      }
	  }
	  return false;
	}

	var _equalByTag = equalByTag;

	/**
	 * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
	 * `keysFunc` and `symbolsFunc` to get the enumerable property names and
	 * symbols of `object`.
	 *
	 * @private
	 * @param {Object} object The object to query.
	 * @param {Function} keysFunc The function to get the keys of `object`.
	 * @param {Function} symbolsFunc The function to get the symbols of `object`.
	 * @returns {Array} Returns the array of property names and symbols.
	 */
	function baseGetAllKeys(object, keysFunc, symbolsFunc) {
	  var result = keysFunc(object);
	  return isArray_1(object) ? result : _arrayPush(result, symbolsFunc(object));
	}

	var _baseGetAllKeys = baseGetAllKeys;

	/**
	 * A specialized version of `_.filter` for arrays without support for
	 * iteratee shorthands.
	 *
	 * @private
	 * @param {Array} [array] The array to iterate over.
	 * @param {Function} predicate The function invoked per iteration.
	 * @returns {Array} Returns the new filtered array.
	 */
	function arrayFilter(array, predicate) {
	  var index = -1,
	      length = array == null ? 0 : array.length,
	      resIndex = 0,
	      result = [];

	  while (++index < length) {
	    var value = array[index];
	    if (predicate(value, index, array)) {
	      result[resIndex++] = value;
	    }
	  }
	  return result;
	}

	var _arrayFilter = arrayFilter;

	/**
	 * This method returns a new empty array.
	 *
	 * @static
	 * @memberOf _
	 * @since 4.13.0
	 * @category Util
	 * @returns {Array} Returns the new empty array.
	 * @example
	 *
	 * var arrays = _.times(2, _.stubArray);
	 *
	 * console.log(arrays);
	 * // => [[], []]
	 *
	 * console.log(arrays[0] === arrays[1]);
	 * // => false
	 */
	function stubArray() {
	  return [];
	}

	var stubArray_1 = stubArray;

	/** Used for built-in method references. */
	var objectProto$8 = Object.prototype;

	/** Built-in value references. */
	var propertyIsEnumerable$1 = objectProto$8.propertyIsEnumerable;

	/* Built-in method references for those with the same name as other `lodash` methods. */
	var nativeGetSymbols = Object.getOwnPropertySymbols;

	/**
	 * Creates an array of the own enumerable symbols of `object`.
	 *
	 * @private
	 * @param {Object} object The object to query.
	 * @returns {Array} Returns the array of symbols.
	 */
	var getSymbols = !nativeGetSymbols ? stubArray_1 : function(object) {
	  if (object == null) {
	    return [];
	  }
	  object = Object(object);
	  return _arrayFilter(nativeGetSymbols(object), function(symbol) {
	    return propertyIsEnumerable$1.call(object, symbol);
	  });
	};

	var _getSymbols = getSymbols;

	/**
	 * The base implementation of `_.times` without support for iteratee shorthands
	 * or max array length checks.
	 *
	 * @private
	 * @param {number} n The number of times to invoke `iteratee`.
	 * @param {Function} iteratee The function invoked per iteration.
	 * @returns {Array} Returns the array of results.
	 */
	function baseTimes(n, iteratee) {
	  var index = -1,
	      result = Array(n);

	  while (++index < n) {
	    result[index] = iteratee(index);
	  }
	  return result;
	}

	var _baseTimes = baseTimes;

	/**
	 * This method returns `false`.
	 *
	 * @static
	 * @memberOf _
	 * @since 4.13.0
	 * @category Util
	 * @returns {boolean} Returns `false`.
	 * @example
	 *
	 * _.times(2, _.stubFalse);
	 * // => [false, false]
	 */
	function stubFalse() {
	  return false;
	}

	var stubFalse_1 = stubFalse;

	var isBuffer_1 = createCommonjsModule(function (module, exports) {
	/** Detect free variable `exports`. */
	var freeExports = 'object' == 'object' && exports && !exports.nodeType && exports;

	/** Detect free variable `module`. */
	var freeModule = freeExports && 'object' == 'object' && module && !module.nodeType && module;

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

	/** Built-in value references. */
	var Buffer = moduleExports ? _root.Buffer : undefined;

	/* Built-in method references for those with the same name as other `lodash` methods. */
	var nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined;

	/**
	 * Checks if `value` is a buffer.
	 *
	 * @static
	 * @memberOf _
	 * @since 4.3.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
	 * @example
	 *
	 * _.isBuffer(new Buffer(2));
	 * // => true
	 *
	 * _.isBuffer(new Uint8Array(2));
	 * // => false
	 */
	var isBuffer = nativeIsBuffer || stubFalse_1;

	module.exports = isBuffer;
	});

	/** Used as references for various `Number` constants. */
	var MAX_SAFE_INTEGER = 9007199254740991;

	/** Used to detect unsigned integer values. */
	var reIsUint = /^(?:0|[1-9]\d*)$/;

	/**
	 * 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) {
	  length = length == null ? MAX_SAFE_INTEGER : length;
	  return !!length &&
	    (typeof value == 'number' || reIsUint.test(value)) &&
	    (value > -1 && value % 1 == 0 && value < length);
	}

	var _isIndex = isIndex;

	/** Used as references for various `Number` constants. */
	var MAX_SAFE_INTEGER$1 = 9007199254740991;

	/**
	 * Checks if `value` is a valid array-like length.
	 *
	 * **Note:** This method is loosely based on
	 * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
	 *
	 * @static
	 * @memberOf _
	 * @since 4.0.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
	 * @example
	 *
	 * _.isLength(3);
	 * // => true
	 *
	 * _.isLength(Number.MIN_VALUE);
	 * // => false
	 *
	 * _.isLength(Infinity);
	 * // => false
	 *
	 * _.isLength('3');
	 * // => false
	 */
	function isLength(value) {
	  return typeof value == 'number' &&
	    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER$1;
	}

	var isLength_1 = isLength;

	/** `Object#toString` result references. */
	var argsTag$2 = '[object Arguments]';
	var arrayTag$1 = '[object Array]';
	var boolTag$1 = '[object Boolean]';
	var dateTag$1 = '[object Date]';
	var errorTag$1 = '[object Error]';
	var funcTag$1 = '[object Function]';
	var mapTag$1 = '[object Map]';
	var numberTag$1 = '[object Number]';
	var objectTag$1 = '[object Object]';
	var regexpTag$1 = '[object RegExp]';
	var setTag$1 = '[object Set]';
	var stringTag$1 = '[object String]';
	var weakMapTag = '[object WeakMap]';

	var arrayBufferTag$1 = '[object ArrayBuffer]';
	var dataViewTag$1 = '[object DataView]';
	var float32Tag = '[object Float32Array]';
	var float64Tag = '[object Float64Array]';
	var int8Tag = '[object Int8Array]';
	var int16Tag = '[object Int16Array]';
	var int32Tag = '[object Int32Array]';
	var uint8Tag = '[object Uint8Array]';
	var uint8ClampedTag = '[object Uint8ClampedArray]';
	var uint16Tag = '[object Uint16Array]';
	var uint32Tag = '[object Uint32Array]';

	/** 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$2] = typedArrayTags[arrayTag$1] =
	typedArrayTags[arrayBufferTag$1] = typedArrayTags[boolTag$1] =
	typedArrayTags[dataViewTag$1] = typedArrayTags[dateTag$1] =
	typedArrayTags[errorTag$1] = typedArrayTags[funcTag$1] =
	typedArrayTags[mapTag$1] = typedArrayTags[numberTag$1] =
	typedArrayTags[objectTag$1] = typedArrayTags[regexpTag$1] =
	typedArrayTags[setTag$1] = typedArrayTags[stringTag$1] =
	typedArrayTags[weakMapTag] = false;

	/**
	 * The base implementation of `_.isTypedArray` without Node.js optimizations.
	 *
	 * @private
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
	 */
	function baseIsTypedArray(value) {
	  return isObjectLike_1(value) &&
	    isLength_1(value.length) && !!typedArrayTags[_baseGetTag(value)];
	}

	var _baseIsTypedArray = baseIsTypedArray;

	/**
	 * The base implementation of `_.unary` without support for storing metadata.
	 *
	 * @private
	 * @param {Function} func The function to cap arguments for.
	 * @returns {Function} Returns the new capped function.
	 */
	function baseUnary(func) {
	  return function(value) {
	    return func(value);
	  };
	}

	var _baseUnary = baseUnary;

	var _nodeUtil = createCommonjsModule(function (module, exports) {
	/** Detect free variable `exports`. */
	var freeExports = 'object' == 'object' && exports && !exports.nodeType && exports;

	/** Detect free variable `module`. */
	var freeModule = freeExports && 'object' == 'object' && module && !module.nodeType && module;

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

	/** Detect free variable `process` from Node.js. */
	var freeProcess = moduleExports && _freeGlobal.process;

	/** Used to access faster Node.js helpers. */
	var nodeUtil = (function() {
	  try {
	    return freeProcess && freeProcess.binding && freeProcess.binding('util');
	  } catch (e) {}
	}());

	module.exports = nodeUtil;
	});

	/* Node.js helper references. */
	var nodeIsTypedArray = _nodeUtil && _nodeUtil.isTypedArray;

	/**
	 * Checks if `value` is classified as a typed array.
	 *
	 * @static
	 * @memberOf _
	 * @since 3.0.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
	 * @example
	 *
	 * _.isTypedArray(new Uint8Array);
	 * // => true
	 *
	 * _.isTypedArray([]);
	 * // => false
	 */
	var isTypedArray = nodeIsTypedArray ? _baseUnary(nodeIsTypedArray) : _baseIsTypedArray;

	var isTypedArray_1 = isTypedArray;

	/** Used for built-in method references. */
	var objectProto$9 = Object.prototype;

	/** Used to check objects for own properties. */
	var hasOwnProperty$7 = objectProto$9.hasOwnProperty;

	/**
	 * Creates an array of the enumerable property names of the array-like `value`.
	 *
	 * @private
	 * @param {*} value The value to query.
	 * @param {boolean} inherited Specify returning inherited property names.
	 * @returns {Array} Returns the array of property names.
	 */
	function arrayLikeKeys(value, inherited) {
	  var isArr = isArray_1(value),
	      isArg = !isArr && isArguments_1(value),
	      isBuff = !isArr && !isArg && isBuffer_1(value),
	      isType = !isArr && !isArg && !isBuff && isTypedArray_1(value),
	      skipIndexes = isArr || isArg || isBuff || isType,
	      result = skipIndexes ? _baseTimes(value.length, String) : [],
	      length = result.length;

	  for (var key in value) {
	    if ((inherited || hasOwnProperty$7.call(value, key)) &&
	        !(skipIndexes && (
	           // Safari 9 has enumerable `arguments.length` in strict mode.
	           key == 'length' ||
	           // Node.js 0.10 has enumerable non-index properties on buffers.
	           (isBuff && (key == 'offset' || key == 'parent')) ||
	           // PhantomJS 2 has enumerable non-index properties on typed arrays.
	           (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
	           // Skip index properties.
	           _isIndex(key, length)
	        ))) {
	      result.push(key);
	    }
	  }
	  return result;
	}

	var _arrayLikeKeys = arrayLikeKeys;

	/** Used for built-in method references. */
	var objectProto$11 = Object.prototype;

	/**
	 * Checks if `value` is likely a prototype object.
	 *
	 * @private
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
	 */
	function isPrototype(value) {
	  var Ctor = value && value.constructor,
	      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto$11;

	  return value === proto;
	}

	var _isPrototype = isPrototype;

	/**
	 * Creates a unary function that invokes `func` with its argument transformed.
	 *
	 * @private
	 * @param {Function} func The function to wrap.
	 * @param {Function} transform The argument transform.
	 * @returns {Function} Returns the new function.
	 */
	function overArg(func, transform) {
	  return function(arg) {
	    return func(transform(arg));
	  };
	}

	var _overArg = overArg;

	/* Built-in method references for those with the same name as other `lodash` methods. */
	var nativeKeys = _overArg(Object.keys, Object);

	var _nativeKeys = nativeKeys;

	/** Used for built-in method references. */
	var objectProto$10 = Object.prototype;

	/** Used to check objects for own properties. */
	var hasOwnProperty$8 = objectProto$10.hasOwnProperty;

	/**
	 * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
	 *
	 * @private
	 * @param {Object} object The object to query.
	 * @returns {Array} Returns the array of property names.
	 */
	function baseKeys(object) {
	  if (!_isPrototype(object)) {
	    return _nativeKeys(object);
	  }
	  var result = [];
	  for (var key in Object(object)) {
	    if (hasOwnProperty$8.call(object, key) && key != 'constructor') {
	      result.push(key);