ez-pro/core/bitrix/js/ui/progressbarjs/progressbar.js

/*!
  * ProgressBar.js v1.1.1
  * (c) 2022 Kimmo Brunfeldt
  * @license MIT
  *
  * GitHub: https://kimmobrunfeldt.github.io/progressbar.js
  */

/**
 * Modify list for integration with Bitrix Framework:
 * - removed integration with third-party package builders;
 * - export ProgressBarJS to BX scope to exclude possibility of conflict with third-party sites;
 * - add check variables before using them, for fix NaN bug, see tags: 09052020;
 */

(function(f){
	if (typeof window.BX === 'undefined')
	{
		window.BX = {};
	}
	window.BX.ProgressBarJs = f();
})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
(function (global){(function (){
	/**
	 * Lodash (Custom Build) <https://lodash.com/>
	 * Build: `lodash modularize exports="npm" -o ./`
	 * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
	 * Released under MIT license <https://lodash.com/license>
	 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
	 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
	 */

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

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

	/** Used to detect hot functions by number of calls within a span of milliseconds. */
	var HOT_COUNT = 800,
		HOT_SPAN = 16;

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

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

	var arrayBufferTag = '[object ArrayBuffer]',
		dataViewTag = '[object DataView]',
		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 `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 to detect unsigned integer values. */
	var reIsUint = /^(?:0|[1-9]\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[dataViewTag] = typedArrayTags[dateTag] =
				typedArrayTags[errorTag] = typedArrayTags[funcTag] =
					typedArrayTags[mapTag] = typedArrayTags[numberTag] =
						typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
							typedArrayTags[setTag] = typedArrayTags[stringTag] =
								typedArrayTags[weakMapTag] = false;

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

	/** 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')();

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

	/** Detect free variable `module`. */
	var freeModule = freeExports && typeof module == '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 {
			// Use `util.types` for Node.js 10+.
			var types = freeModule && freeModule.require && freeModule.require('util').types;

			if (types) {
				return types;
			}

			// Legacy `process.binding('util')` for Node.js < 10.
			return freeProcess && freeProcess.binding && freeProcess.binding('util');
		} catch (e) {}
	}());

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

	/**
	 * A faster alternative to `Function#apply`, this function invokes `func`
	 * with the `this` binding of `thisArg` and the arguments of `args`.
	 *
	 * @private
	 * @param {Function} func The function to invoke.
	 * @param {*} thisArg The `this` binding of `func`.
	 * @param {Array} args The arguments to invoke `func` with.
	 * @returns {*} Returns the result of `func`.
	 */
	function apply(func, thisArg, args) {
		switch (args.length) {
			case 0: return func.call(thisArg);
			case 1: return func.call(thisArg, args[0]);
			case 2: return func.call(thisArg, args[0], args[1]);
			case 3: return func.call(thisArg, args[0], args[1], args[2]);
		}
		return func.apply(thisArg, args);
	}

	/**
	 * 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;
	}

	/**
	 * 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);
		};
	}

	/**
	 * 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];
	}

	/**
	 * 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));
		};
	}

	/** Used for built-in method references. */
	var arrayProto = Array.prototype,
		funcProto = Function.prototype,
		objectProto = Object.prototype;

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

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

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

	/** 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) : '';
	}());

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

	/** Used to infer the `Object` constructor. */
	var objectCtorString = funcToString.call(Object);

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

	/** Built-in value references. */
	var Buffer = moduleExports ? root.Buffer : undefined,
		Symbol = root.Symbol,
		Uint8Array = root.Uint8Array,
		allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
		getPrototype = overArg(Object.getPrototypeOf, Object),
		objectCreate = Object.create,
		propertyIsEnumerable = objectProto.propertyIsEnumerable,
		splice = arrayProto.splice,
		symToStringTag = Symbol ? Symbol.toStringTag : undefined;

	var defineProperty = (function() {
		try {
			var func = getNative(Object, 'defineProperty');
			func({}, '', {});
			return func;
		} catch (e) {}
	}());

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

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

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

	/**
	 * 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]);
		}
	}

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

	/**
	 * 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;
	}

	/**
	 * 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.call(data, key) ? data[key] : undefined;
	}

	/**
	 * 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.call(data, key);
	}

	/**
	 * 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 : value;
		return this;
	}

	// Add methods to `Hash`.
	Hash.prototype.clear = hashClear;
	Hash.prototype['delete'] = hashDelete;
	Hash.prototype.get = hashGet;
	Hash.prototype.has = hashHas;
	Hash.prototype.set = hashSet;

	/**
	 * 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]);
		}
	}

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

	/**
	 * 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;
	}

	/**
	 * 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];
	}

	/**
	 * 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;
	}

	/**
	 * 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;
	}

	// Add methods to `ListCache`.
	ListCache.prototype.clear = listCacheClear;
	ListCache.prototype['delete'] = listCacheDelete;
	ListCache.prototype.get = listCacheGet;
	ListCache.prototype.has = listCacheHas;
	ListCache.prototype.set = listCacheSet;

	/**
	 * 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]);
		}
	}

	/**
	 * 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
		};
	}

	/**
	 * 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;
	}

	/**
	 * 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);
	}

	/**
	 * 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);
	}

	/**
	 * 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;
	}

	// Add methods to `MapCache`.
	MapCache.prototype.clear = mapCacheClear;
	MapCache.prototype['delete'] = mapCacheDelete;
	MapCache.prototype.get = mapCacheGet;
	MapCache.prototype.has = mapCacheHas;
	MapCache.prototype.set = mapCacheSet;

	/**
	 * 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;
	}

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

	/**
	 * 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;
	}

	/**
	 * 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);
	}

	/**
	 * 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);
	}

	/**
	 * 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;
	}

	// Add methods to `Stack`.
	Stack.prototype.clear = stackClear;
	Stack.prototype['delete'] = stackDelete;
	Stack.prototype.get = stackGet;
	Stack.prototype.has = stackHas;
	Stack.prototype.set = stackSet;

	/**
	 * 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(value),
			isArg = !isArr && isArguments(value),
			isBuff = !isArr && !isArg && isBuffer(value),
			isType = !isArr && !isArg && !isBuff && isTypedArray(value),
			skipIndexes = isArr || isArg || isBuff || isType,
			result = skipIndexes ? baseTimes(value.length, String) : [],
			length = result.length;

		for (var key in value) {
			if ((inherited || hasOwnProperty.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;
	}

	/**
	 * This function is like `assignValue` except that it doesn't assign
	 * `undefined` values.
	 *
	 * @private
	 * @param {Object} object The object to modify.
	 * @param {string} key The key of the property to assign.
	 * @param {*} value The value to assign.
	 */
	function assignMergeValue(object, key, value) {
		if ((value !== undefined && !eq(object[key], value)) ||
			(value === undefined && !(key in object))) {
			baseAssignValue(object, key, value);
		}
	}

	/**
	 * Assigns `value` to `key` of `object` if the existing value is not equivalent
	 * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
	 * for equality comparisons.
	 *
	 * @private
	 * @param {Object} object The object to modify.
	 * @param {string} key The key of the property to assign.
	 * @param {*} value The value to assign.
	 */
	function assignValue(object, key, value) {
		var objValue = object[key];
		if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
			(value === undefined && !(key in object))) {
			baseAssignValue(object, key, value);
		}
	}

	/**
	 * 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(array[length][0], key)) {
				return length;
			}
		}
		return -1;
	}

	/**
	 * The base implementation of `assignValue` and `assignMergeValue` without
	 * value checks.
	 *
	 * @private
	 * @param {Object} object The object to modify.
	 * @param {string} key The key of the property to assign.
	 * @param {*} value The value to assign.
	 */
	function baseAssignValue(object, key, value) {
		if (key == '__proto__' && defineProperty) {
			defineProperty(object, key, {
				'configurable': true,
				'enumerable': true,
				'value': value,
				'writable': true
			});
		} else {
			object[key] = value;
		}
	}

	/**
	 * The base implementation of `baseForOwn` which iterates over `object`
	 * properties returned by `keysFunc` and invokes `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 `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);
	}

	/**
	 * 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(value) && baseGetTag(value) == argsTag;
	}

	/**
	 * 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(value) || isMasked(value)) {
			return false;
		}
		var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
		return pattern.test(toSource(value));
	}

	/**
	 * 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(value) &&
			isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
	}

	/**
	 * The base implementation of `_.keysIn` 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 baseKeysIn(object) {
		if (!isObject(object)) {
			return nativeKeysIn(object);
		}
		var isProto = isPrototype(object),
			result = [];

		for (var key in object) {
			if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
				result.push(key);
			}
		}
		return result;
	}

	/**
	 * The base implementation of `_.merge` without support for multiple sources.
	 *
	 * @private
	 * @param {Object} object The destination object.
	 * @param {Object} source The source object.
	 * @param {number} srcIndex The index of `source`.
	 * @param {Function} [customizer] The function to customize merged values.
	 * @param {Object} [stack] Tracks traversed source values and their merged
	 *  counterparts.
	 */
	function baseMerge(object, source, srcIndex, customizer, stack) {
		if (object === source) {
			return;
		}
		baseFor(source, function(srcValue, key) {
			stack || (stack = new Stack);
			if (isObject(srcValue)) {
				baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
			}
			else {
				var newValue = customizer
					? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
					: undefined;

				if (newValue === undefined) {
					newValue = srcValue;
				}
				assignMergeValue(object, key, newValue);
			}
		}, keysIn);
	}

	/**
	 * A specialized version of `baseMerge` for arrays and objects which performs
	 * deep merges and tracks traversed objects enabling objects with circular
	 * references to be merged.
	 *
	 * @private
	 * @param {Object} object The destination object.
	 * @param {Object} source The source object.
	 * @param {string} key The key of the value to merge.
	 * @param {number} srcIndex The index of `source`.
	 * @param {Function} mergeFunc The function to merge values.
	 * @param {Function} [customizer] The function to customize assigned values.
	 * @param {Object} [stack] Tracks traversed source values and their merged
	 *  counterparts.
	 */
	function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
		var objValue = safeGet(object, key),
			srcValue = safeGet(source, key),
			stacked = stack.get(srcValue);

		if (stacked) {
			assignMergeValue(object, key, stacked);
			return;
		}
		var newValue = customizer
			? customizer(objValue, srcValue, (key + ''), object, source, stack)
			: undefined;

		var isCommon = newValue === undefined;

		if (isCommon) {
			var isArr = isArray(srcValue),
				isBuff = !isArr && isBuffer(srcValue),
				isTyped = !isArr && !isBuff && isTypedArray(srcValue);

			newValue = srcValue;
			if (isArr || isBuff || isTyped) {
				if (isArray(objValue)) {
					newValue = objValue;
				}
				else if (isArrayLikeObject(objValue)) {
					newValue = copyArray(objValue);
				}
				else if (isBuff) {
					isCommon = false;
					newValue = cloneBuffer(srcValue, true);
				}
				else if (isTyped) {
					isCommon = false;
					newValue = cloneTypedArray(srcValue, true);
				}
				else {
					newValue = [];
				}
			}
			else if (isPlainObject(srcValue) || isArguments(srcValue)) {
				newValue = objValue;
				if (isArguments(objValue)) {
					newValue = toPlainObject(objValue);
				}
				else if (!isObject(objValue) || isFunction(objValue)) {
					newValue = initCloneObject(srcValue);
				}
			}
			else {
				isCommon = false;
			}
		}
		if (isCommon) {
			// Recursively merge objects and arrays (susceptible to call stack limits).
			stack.set(srcValue, newValue);
			mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
			stack['delete'](srcValue);
		}
		assignMergeValue(object, key, newValue);
	}

	/**
	 * The base implementation of `_.rest` which doesn't validate or coerce arguments.
	 *
	 * @private
	 * @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.
	 */
	function baseRest(func, start) {
		return setToString(overRest(func, start, identity), func + '');
	}

	/**
	 * The base implementation of `setToString` without support for hot loop shorting.
	 *
	 * @private
	 * @param {Function} func The function to modify.
	 * @param {Function} string The `toString` result.
	 * @returns {Function} Returns `func`.
	 */
	var baseSetToString = !defineProperty ? identity : function(func, string) {
		return defineProperty(func, 'toString', {
			'configurable': true,
			'enumerable': false,
			'value': constant(string),
			'writable': true
		});
	};

	/**
	 * Creates a clone of  `buffer`.
	 *
	 * @private
	 * @param {Buffer} buffer The buffer to clone.
	 * @param {boolean} [isDeep] Specify a deep clone.
	 * @returns {Buffer} Returns the cloned buffer.
	 */
	function cloneBuffer(buffer, isDeep) {
		if (isDeep) {
			return buffer.slice();
		}
		var length = buffer.length,
			result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);

		buffer.copy(result);
		return result;
	}

	/**
	 * Creates a clone of `arrayBuffer`.
	 *
	 * @private
	 * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
	 * @returns {ArrayBuffer} Returns the cloned array buffer.
	 */
	function cloneArrayBuffer(arrayBuffer) {
		var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
		new Uint8Array(result).set(new Uint8Array(arrayBuffer));
		return result;
	}

	/**
	 * Creates a clone of `typedArray`.
	 *
	 * @private
	 * @param {Object} typedArray The typed array to clone.
	 * @param {boolean} [isDeep] Specify a deep clone.
	 * @returns {Object} Returns the cloned typed array.
	 */
	function cloneTypedArray(typedArray, isDeep) {
		var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
		return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
	}

	/**
	 * 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 copyArray(source, array) {
		var index = -1,
			length = source.length;

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

	/**
	 * Copies properties of `source` to `object`.
	 *
	 * @private
	 * @param {Object} source The object to copy properties from.
	 * @param {Array} props The property identifiers to copy.
	 * @param {Object} [object={}] The object to copy properties to.
	 * @param {Function} [customizer] The function to customize copied values.
	 * @returns {Object} Returns `object`.
	 */
	function copyObject(source, props, object, customizer) {
		var isNew = !object;
		object || (object = {});

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

		while (++index < length) {
			var key = props[index];

			var newValue = customizer
				? customizer(object[key], source[key], key, object, source)
				: undefined;

			if (newValue === undefined) {
				newValue = source[key];
			}
			if (isNew) {
				baseAssignValue(object, key, newValue);
			} else {
				assignValue(object, key, newValue);
			}
		}
		return object;
	}

	/**
	 * Creates a function like `_.assign`.
	 *
	 * @private
	 * @param {Function} assigner The function to assign values.
	 * @returns {Function} Returns the new assigner function.
	 */
	function createAssigner(assigner) {
		return baseRest(function(object, sources) {
			var index = -1,
				length = sources.length,
				customizer = length > 1 ? sources[length - 1] : undefined,
				guard = length > 2 ? sources[2] : undefined;

			customizer = (assigner.length > 3 && typeof customizer == 'function')
				? (length--, customizer)
				: undefined;

			if (guard && isIterateeCall(sources[0], sources[1], guard)) {
				customizer = length < 3 ? undefined : customizer;
				length = 1;
			}
			object = Object(object);
			while (++index < length) {
				var source = sources[index];
				if (source) {
					assigner(object, source, index, customizer);
				}
			}
			return object;
		});
	}

	/**
	 * Creates a base function for methods like `_.forIn` and `_.forOwn`.
	 *
	 * @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 index = -1,
				iterable = Object(object),
				props = keysFunc(object),
				length = props.length;

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

	/**
	 * 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;
	}

	/**
	 * 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;
	}

	/**
	 * 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.call(value, symToStringTag),
			tag = value[symToStringTag];

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

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

	/**
	 * Initializes an object clone.
	 *
	 * @private
	 * @param {Object} object The object to clone.
	 * @returns {Object} Returns the initialized clone.
	 */
	function initCloneObject(object) {
		return (typeof object.constructor == 'function' && !isPrototype(object))
			? baseCreate(getPrototype(object))
			: {};
	}

	/**
	 * 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) {
		var type = typeof value;
		length = length == null ? MAX_SAFE_INTEGER : length;

		return !!length &&
			(type == 'number' ||
				(type != 'symbol' && reIsUint.test(value))) &&
			(value > -1 && value % 1 == 0 && value < length);
	}

	/**
	 * Checks if the given 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)
		) {
			return eq(object[index], value);
		}
		return false;
	}

	/**
	 * 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);
	}

	/**
	 * 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);
	}

	/**
	 * 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;

		return value === proto;
	}

	/**
	 * This function is like
	 * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
	 * except that it includes inherited enumerable properties.
	 *
	 * @private
	 * @param {Object} object The object to query.
	 * @returns {Array} Returns the array of property names.
	 */
	function nativeKeysIn(object) {
		var result = [];
		if (object != null) {
			for (var key in Object(object)) {
				result.push(key);
			}
		}
		return result;
	}

	/**
	 * 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.call(value);
	}

	/**
	 * A specialized version of `baseRest` which transforms the rest array.
	 *
	 * @private
	 * @param {Function} func The function to apply a rest parameter to.
	 * @param {number} [start=func.length-1] The start position of the rest parameter.
	 * @param {Function} transform The rest array transform.
	 * @returns {Function} Returns the new function.
	 */
	function overRest(func, start, transform) {
		start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
		return function() {
			var args = arguments,
				index = -1,
				length = nativeMax(args.length - start, 0),
				array = Array(length);

			while (++index < length) {
				array[index] = args[start + index];
			}
			index = -1;
			var otherArgs = Array(start + 1);
			while (++index < start) {
				otherArgs[index] = args[index];
			}
			otherArgs[start] = transform(array);
			return apply(func, this, otherArgs);
		};
	}

	/**
	 * Gets the value at `key`, unless `key` is "__proto__" or "constructor".
	 *
	 * @private
	 * @param {Object} object The object to query.
	 * @param {string} key The key of the property to get.
	 * @returns {*} Returns the property value.
	 */
	function safeGet(object, key) {
		if (key === 'constructor' && typeof object[key] === 'function') {
			return;
		}

		if (key == '__proto__') {
			return;
		}

		return object[key];
	}

	/**
	 * Sets the `toString` method of `func` to return `string`.
	 *
	 * @private
	 * @param {Function} func The function to modify.
	 * @param {Function} string The `toString` result.
	 * @returns {Function} Returns `func`.
	 */
	var setToString = shortOut(baseSetToString);

	/**
	 * Creates a function that'll short out and invoke `identity` instead
	 * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
	 * milliseconds.
	 *
	 * @private
	 * @param {Function} func The function to restrict.
	 * @returns {Function} Returns the new shortable function.
	 */
	function shortOut(func) {
		var count = 0,
			lastCalled = 0;

		return function() {
			var stamp = nativeNow(),
				remaining = HOT_SPAN - (stamp - lastCalled);

			lastCalled = stamp;
			if (remaining > 0) {
				if (++count >= HOT_COUNT) {
					return arguments[0];
				}
			} else {
				count = 0;
			}
			return func.apply(undefined, arguments);
		};
	}

	/**
	 * 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.call(func);
			} catch (e) {}
			try {
				return (func + '');
			} catch (e) {}
		}
		return '';
	}

	/**
	 * 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);
	}

	/**
	 * 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(value) && hasOwnProperty.call(value, 'callee') &&
			!propertyIsEnumerable.call(value, 'callee');
	};

	/**
	 * 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;

	/**
	 * Checks if `value` is array-like. A value is considered array-like if it's
	 * not a function and has a `value.length` that's an integer greater than or
	 * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
	 *
	 * @static
	 * @memberOf _
	 * @since 4.0.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
	 * @example
	 *
	 * _.isArrayLike([1, 2, 3]);
	 * // => true
	 *
	 * _.isArrayLike(document.body.children);
	 * // => true
	 *
	 * _.isArrayLike('abc');
	 * // => true
	 *
	 * _.isArrayLike(_.noop);
	 * // => false
	 */
	function isArrayLike(value) {
		return value != null && isLength(value.length) && !isFunction(value);
	}

	/**
	 * This method is like `_.isArrayLike` except that it also checks if `value`
	 * is an object.
	 *
	 * @static
	 * @memberOf _
	 * @since 4.0.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is an array-like object,
	 *  else `false`.
	 * @example
	 *
	 * _.isArrayLikeObject([1, 2, 3]);
	 * // => true
	 *
	 * _.isArrayLikeObject(document.body.children);
	 * // => true
	 *
	 * _.isArrayLikeObject('abc');
	 * // => false
	 *
	 * _.isArrayLikeObject(_.noop);
	 * // => false
	 */
	function isArrayLikeObject(value) {
		return isObjectLike(value) && isArrayLike(value);
	}

	/**
	 * 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;

	/**
	 * 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(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;
	}

	/**
	 * 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;
	}

	/**
	 * 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');
	}

	/**
	 * 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';
	}

	/**
	 * Checks if `value` is a plain object, that is, an object created by the
	 * `Object` constructor or one with a `[[Prototype]]` of `null`.
	 *
	 * @static
	 * @memberOf _
	 * @since 0.8.0
	 * @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
	 */
	function isPlainObject(value) {
		if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
			return false;
		}
		var proto = getPrototype(value);
		if (proto === null) {
			return true;
		}
		var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
		return typeof Ctor == 'function' && Ctor instanceof Ctor &&
			funcToString.call(Ctor) == objectCtorString;
	}

	/**
	 * 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;

	/**
	 * Converts `value` to a plain object flattening inherited enumerable string
	 * keyed properties of `value` to own properties of the plain object.
	 *
	 * @static
	 * @memberOf _
	 * @since 3.0.0
	 * @category Lang
	 * @param {*} value The value to convert.
	 * @returns {Object} Returns the converted plain object.
	 * @example
	 *
	 * function Foo() {
	 *   this.b = 2;
	 * }
	 *
	 * Foo.prototype.c = 3;
	 *
	 * _.assign({ 'a': 1 }, new Foo);
	 * // => { 'a': 1, 'b': 2 }
	 *
	 * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
	 * // => { 'a': 1, 'b': 2, 'c': 3 }
	 */
	function toPlainObject(value) {
		return copyObject(value, keysIn(value));
	}

	/**
	 * Creates an array of the own and inherited enumerable property names of `object`.
	 *
	 * **Note:** Non-object values are coerced to objects.
	 *
	 * @static
	 * @memberOf _
	 * @since 3.0.0
	 * @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) {
		return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
	}

	/**
	 * This method is like `_.assign` except that it recursively merges own and
	 * inherited enumerable string keyed properties of source objects into the
	 * destination object. Source properties that resolve to `undefined` are
	 * skipped if a destination value exists. Array and plain object properties
	 * are merged recursively. Other objects and value types are overridden by
	 * assignment. Source objects are applied from left to right. Subsequent
	 * sources overwrite property assignments of previous sources.
	 *
	 * **Note:** This method mutates `object`.
	 *
	 * @static
	 * @memberOf _
	 * @since 0.5.0
	 * @category Object
	 * @param {Object} object The destination object.
	 * @param {...Object} [sources] The source objects.
	 * @returns {Object} Returns `object`.
	 * @example
	 *
	 * var object = {
	 *   'a': [{ 'b': 2 }, { 'd': 4 }]
	 * };
	 *
	 * var other = {
	 *   'a': [{ 'c': 3 }, { 'e': 5 }]
	 * };
	 *
	 * _.merge(object, other);
	 * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
	 */
	var merge = createAssigner(function(object, source, srcIndex) {
		baseMerge(object, source, srcIndex);
	});

	/**
	 * Creates a function that returns `value`.
	 *
	 * @static
	 * @memberOf _
	 * @since 2.4.0
	 * @category Util
	 * @param {*} value The value to return from the new function.
	 * @returns {Function} Returns the new constant function.
	 * @example
	 *
	 * var objects = _.times(2, _.constant({ 'a': 1 }));
	 *
	 * console.log(objects);
	 * // => [{ 'a': 1 }, { 'a': 1 }]
	 *
	 * console.log(objects[0] === objects[1]);
	 * // => true
	 */
	function constant(value) {
		return function() {
			return value;
		};
	}

	/**
	 * This method returns the first argument it receives.
	 *
	 * @static
	 * @since 0.1.0
	 * @memberOf _
	 * @category Util
	 * @param {*} value Any value.
	 * @returns {*} Returns `value`.
	 * @example
	 *
	 * var object = { 'a': 1 };
	 *
	 * console.log(_.identity(object) === object);
	 * // => true
	 */
	function identity(value) {
		return value;
	}

	/**
	 * 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;
	}

	module.exports = merge;

}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],2:[function(require,module,exports){
/*! For license information please see shifty.js.LICENSE.txt */
!function(t,n){"object"==typeof exports&&"object"==typeof module?module.exports=n():"function"==typeof define&&define.amd?define("shifty",[],n):"object"==typeof exports?exports.shifty=n():t.shifty=n()}(self,(function(){return function(){"use strict";var t={720:function(t,n,e){e.r(n),e.d(n,{Scene:function(){return sn},Tweenable:function(){return kt},interpolate:function(){return nn},processTweens:function(){return dt},setBezierFunction:function(){return $},shouldScheduleUpdate:function(){return bt},tween:function(){return Pt},unsetBezierFunction:function(){return L}});var r={};e.r(r),e.d(r,{bounce:function(){return D},bouncePast:function(){return q},easeFrom:function(){return B},easeFromTo:function(){return Q},easeInBack:function(){return E},easeInCirc:function(){return j},easeInCubic:function(){return c},easeInExpo:function(){return w},easeInOutBack:function(){return T},easeInOutCirc:function(){return P},easeInOutCubic:function(){return l},easeInOutExpo:function(){return S},easeInOutQuad:function(){return s},easeInOutQuart:function(){return v},easeInOutQuint:function(){return d},easeInOutSine:function(){return b},easeInQuad:function(){return u},easeInQuart:function(){return h},easeInQuint:function(){return y},easeInSine:function(){return g},easeOutBack:function(){return A},easeOutBounce:function(){return M},easeOutCirc:function(){return k},easeOutCubic:function(){return f},easeOutExpo:function(){return O},easeOutQuad:function(){return a},easeOutQuart:function(){return p},easeOutQuint:function(){return _},easeOutSine:function(){return m},easeTo:function(){return N},elastic:function(){return I},linear:function(){return o},swingFrom:function(){return x},swingFromTo:function(){return F},swingTo:function(){return C}});var i={};e.r(i),e.d(i,{afterTween:function(){return Jt},beforeTween:function(){return Ht},doesApply:function(){return Wt},tweenCreated:function(){return Gt}});var o=function(t){return t},u=function(t){return Math.pow(t,2)},a=function(t){return-(Math.pow(t-1,2)-1)},s=function(t){return(t/=.5)<1?.5*Math.pow(t,2):-.5*((t-=2)*t-2)},c=function(t){return Math.pow(t,3)},f=function(t){return Math.pow(t-1,3)+1},l=function(t){return(t/=.5)<1?.5*Math.pow(t,3):.5*(Math.pow(t-2,3)+2)},h=function(t){return Math.pow(t,4)},p=function(t){return-(Math.pow(t-1,4)-1)},v=function(t){return(t/=.5)<1?.5*Math.pow(t,4):-.5*((t-=2)*Math.pow(t,3)-2)},y=function(t){return Math.pow(t,5)},_=function(t){return Math.pow(t-1,5)+1},d=function(t){return(t/=.5)<1?.5*Math.pow(t,5):.5*(Math.pow(t-2,5)+2)},g=function(t){return 1-Math.cos(t*(Math.PI/2))},m=function(t){return Math.sin(t*(Math.PI/2))},b=function(t){return-.5*(Math.cos(Math.PI*t)-1)},w=function(t){return 0===t?0:Math.pow(2,10*(t-1))},O=function(t){return 1===t?1:1-Math.pow(2,-10*t)},S=function(t){return 0===t?0:1===t?1:(t/=.5)<1?.5*Math.pow(2,10*(t-1)):.5*(2-Math.pow(2,-10*--t))},j=function(t){return-(Math.sqrt(1-t*t)-1)},k=function(t){return Math.sqrt(1-Math.pow(t-1,2))},P=function(t){return(t/=.5)<1?-.5*(Math.sqrt(1-t*t)-1):.5*(Math.sqrt(1-(t-=2)*t)+1)},M=function(t){return t<1/2.75?7.5625*t*t:t<2/2.75?7.5625*(t-=1.5/2.75)*t+.75:t<2.5/2.75?7.5625*(t-=2.25/2.75)*t+.9375:7.5625*(t-=2.625/2.75)*t+.984375},E=function(t){var n=1.70158;return t*t*((n+1)*t-n)},A=function(t){var n=1.70158;return(t-=1)*t*((n+1)*t+n)+1},T=function(t){var n=1.70158;return(t/=.5)<1?t*t*((1+(n*=1.525))*t-n)*.5:.5*((t-=2)*t*((1+(n*=1.525))*t+n)+2)},I=function(t){return-1*Math.pow(4,-8*t)*Math.sin((6*t-1)*(2*Math.PI)/2)+1},F=function(t){var n=1.70158;return(t/=.5)<1?t*t*((1+(n*=1.525))*t-n)*.5:.5*((t-=2)*t*((1+(n*=1.525))*t+n)+2)},x=function(t){var n=1.70158;return t*t*((n+1)*t-n)},C=function(t){var n=1.70158;return(t-=1)*t*((n+1)*t+n)+1},D=function(t){return t<1/2.75?7.5625*t*t:t<2/2.75?7.5625*(t-=1.5/2.75)*t+.75:t<2.5/2.75?7.5625*(t-=2.25/2.75)*t+.9375:7.5625*(t-=2.625/2.75)*t+.984375},q=function(t){return t<1/2.75?7.5625*t*t:t<2/2.75?2-(7.5625*(t-=1.5/2.75)*t+.75):t<2.5/2.75?2-(7.5625*(t-=2.25/2.75)*t+.9375):2-(7.5625*(t-=2.625/2.75)*t+.984375)},Q=function(t){return(t/=.5)<1?.5*Math.pow(t,4):-.5*((t-=2)*Math.pow(t,3)-2)},B=function(t){return Math.pow(t,4)},N=function(t){return Math.pow(t,.25)};function R(t,n,e,r,i,o){var u,a,s,c,f,l=0,h=0,p=0,v=function(t){return((l*t+h)*t+p)*t},y=function(t){return(3*l*t+2*h)*t+p},_=function(t){return t>=0?t:0-t};return l=1-(p=3*n)-(h=3*(r-n)-p),s=1-(f=3*e)-(c=3*(i-e)-f),u=t,a=function(t){return 1/(200*t)}(o),function(t){return((s*t+c)*t+f)*t}(function(t,n){var e,r,i,o,u,a;for(i=t,a=0;a<8;a++){if(o=v(i)-t,_(o)<n)return i;if(u=y(i),_(u)<1e-6)break;i-=o/u}if((i=t)<(e=0))return e;if(i>(r=1))return r;for(;e<r;){if(o=v(i),_(o-t)<n)return i;t>o?e=i:r=i,i=.5*(r-e)+e}return i}(u,a))}var z,U=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:.25,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:.25,e=arguments.length>2&&void 0!==arguments[2]?arguments[2]:.75,r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:.75;return function(i){return R(i,t,n,e,r,1)}},$=function(t,n,e,r,i){var o=U(n,e,r,i);return o.displayName=t,o.x1=n,o.y1=e,o.x2=r,o.y2=i,kt.formulas[t]=o},L=function(t){return delete kt.formulas[t]};function V(t,n){if(!(t instanceof n))throw new TypeError("Cannot call a class as a function")}function W(t,n){for(var e=0;e<n.length;e++){var r=n[e];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function G(t){return G="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},G(t)}function H(t){return function(t){if(Array.isArray(t))return J(t)}(t)||function(t){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(t))return Array.from(t)}(t)||function(t,n){if(t){if("string"==typeof t)return J(t,n);var e=Object.prototype.toString.call(t).slice(8,-1);return"Object"===e&&t.constructor&&(e=t.constructor.name),"Map"===e||"Set"===e?Array.from(t):"Arguments"===e||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(e)?J(t,n):void 0}}(t)||function(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function J(t,n){(null==n||n>t.length)&&(n=t.length);for(var e=0,r=new Array(n);e<n;e++)r[e]=t[e];return r}function K(t,n){var e=Object.keys(t);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(t);n&&(r=r.filter((function(n){return Object.getOwnPropertyDescriptor(t,n).enumerable}))),e.push.apply(e,r)}return e}function X(t){for(var n=1;n<arguments.length;n++){var e=null!=arguments[n]?arguments[n]:{};n%2?K(Object(e),!0).forEach((function(n){Y(t,n,e[n])})):Object.getOwnPropertyDescriptors?Object.defineProperties(t,Object.getOwnPropertyDescriptors(e)):K(Object(e)).forEach((function(n){Object.defineProperty(t,n,Object.getOwnPropertyDescriptor(e,n))}))}return t}function Y(t,n,e){return n in t?Object.defineProperty(t,n,{value:e,enumerable:!0,configurable:!0,writable:!0}):t[n]=e,t}var Z,tt,nt,et="linear",rt="undefined"!=typeof window?window:e.g,it="afterTween",ot="afterTweenEnd",ut="beforeTween",at="tweenCreated",st="function",ct="string",ft=rt.requestAnimationFrame||rt.webkitRequestAnimationFrame||rt.oRequestAnimationFrame||rt.msRequestAnimationFrame||rt.mozCancelRequestAnimationFrame&&rt.mozRequestAnimationFrame||setTimeout,lt=function(){},ht=null,pt=null,vt=X({},r),yt=function(t,n,e,r,i,o,u){var a,s,c,f=t<o?0:(t-o)/i,l=!1;for(var h in u&&u.call&&(l=!0,a=u(f)),n)l||(a=((s=u[h]).call?s:vt[s])(f)),c=e[h],n[h]=c+(r[h]-c)*a;return n},_t=function(t,n){var e=t._timestamp,r=t._currentState,i=t._delay;if(!(n<e+i)){var o=t._duration,u=t._targetState,a=e+i+o,s=n>a?a:n;t._hasEnded=s>=a;var c=o-(a-s),f=t._filters.length>0;if(t._hasEnded)return t._render(u,t._data,c),t.stop(!0);f&&t._applyFilter(ut),s<e+i?e=o=s=1:e+=i,yt(s,r,t._originalState,u,o,e,t._easing),f&&t._applyFilter(it),t._render(r,t._data,c)}},dt=function(){for(var t,n=kt.now(),e=ht;e;)t=e._next,_t(e,n),e=t},gt=Date.now||function(){return+new Date},mt=!1,bt=function(t){t&&mt||(mt=t,t&&wt())},wt=function t(){Z=gt(),mt&&ft.call(rt,t,16.666666666666668),dt()},Ot=function(t){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:et,e=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};if(Array.isArray(n)){var r=U.apply(void 0,H(n));return r}var i=G(n);if(vt[n])return vt[n];if(i===ct||i===st)for(var o in t)e[o]=n;else for(var u in t)e[u]=n[u]||et;return e},St=function(t){t===ht?(ht=t._next)?ht._previous=null:pt=null:t===pt?(pt=t._previous)?pt._next=null:ht=null:(tt=t._previous,nt=t._next,tt._next=nt,nt._previous=tt),t._previous=t._next=null},jt="function"==typeof Promise?Promise:null;z=Symbol.toStringTag;var kt=function(){function t(){var n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:void 0;V(this,t),Y(this,z,"Promise"),this._config={},this._data={},this._delay=0,this._filters=[],this._next=null,this._previous=null,this._timestamp=null,this._hasEnded=!1,this._resolve=null,this._reject=null,this._currentState=n||{},this._originalState={},this._targetState={},this._start=lt,this._render=lt,this._promiseCtor=jt,e&&this.setConfig(e)}var n,e;return n=t,e=[{key:"_applyFilter",value:function(t){for(var n=this._filters.length;n>0;n--){var e=this._filters[n-n][t];e&&e(this)}}},{key:"tween",value:function(){var n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:void 0;return this._isPlaying&&this.stop(),!n&&this._config||this.setConfig(n),this._pausedAtTime=null,this._timestamp=t.now(),this._start(this.get(),this._data),this._delay&&this._render(this._currentState,this._data,0),this._resume(this._timestamp)}},{key:"setConfig",value:function(){var n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},e=this._config;for(var r in n)e[r]=n[r];var i=e.promise,o=void 0===i?this._promiseCtor:i,u=e.start,a=void 0===u?lt:u,s=e.finish,c=e.render,f=void 0===c?this._config.step||lt:c,l=e.step,h=void 0===l?lt:l;this._data=e.data||e.attachment||this._data,this._isPlaying=!1,this._pausedAtTime=null,this._scheduleId=null,this._delay=n.delay||0,this._start=a,this._render=f||h,this._duration=e.duration||500,this._promiseCtor=o,s&&(this._resolve=s);var p=n.from,v=n.to,y=void 0===v?{}:v,_=this._currentState,d=this._originalState,g=this._targetState;for(var m in p)_[m]=p[m];var b=!1;for(var w in _){var O=_[w];b||G(O)!==ct||(b=!0),d[w]=O,g[w]=y.hasOwnProperty(w)?y[w]:O}if(this._easing=Ot(this._currentState,e.easing,this._easing),this._filters.length=0,b){for(var S in t.filters)t.filters[S].doesApply(this)&&this._filters.push(t.filters[S]);this._applyFilter(at)}return this}},{key:"then",value:function(t,n){var e=this;return this._promise=new this._promiseCtor((function(t,n){e._resolve=t,e._reject=n})),this._promise.then(t,n)}},{key:"catch",value:function(t){return this.then().catch(t)}},{key:"finally",value:function(t){return this.then().finally(t)}},{key:"get",value:function(){return X({},this._currentState)}},{key:"set",value:function(t){this._currentState=t}},{key:"pause",value:function(){if(this._isPlaying)return this._pausedAtTime=t.now(),this._isPlaying=!1,St(this),this}},{key:"resume",value:function(){return this._resume()}},{key:"_resume",value:function(){var n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:t.now();return null===this._timestamp?this.tween():this._isPlaying?this._promise:(this._pausedAtTime&&(this._timestamp+=n-this._pausedAtTime,this._pausedAtTime=null),this._isPlaying=!0,null===ht?(ht=this,pt=this):(this._previous=pt,pt._next=this,pt=this),this)}},{key:"seek",value:function(n){n=Math.max(n,0);var e=t.now();return this._timestamp+n===0||(this._timestamp=e-n,_t(this,e)),this}},{key:"stop",value:function(){var t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];if(!this._isPlaying)return this;this._isPlaying=!1,St(this);var n=this._filters.length>0;return t&&(n&&this._applyFilter(ut),yt(1,this._currentState,this._originalState,this._targetState,1,0,this._easing),n&&(this._applyFilter(it),this._applyFilter(ot))),this._resolve&&this._resolve({data:this._data,state:this._currentState,tweenable:this}),this._resolve=null,this._reject=null,this}},{key:"cancel",value:function(){var t=arguments.length>0&&void 0!==arguments[0]&&arguments[0],n=this._currentState,e=this._data,r=this._isPlaying;return r?(this._reject&&this._reject({data:e,state:n,tweenable:this}),this._resolve=null,this._reject=null,this.stop(t)):this}},{key:"isPlaying",value:function(){return this._isPlaying}},{key:"hasEnded",value:function(){return this._hasEnded}},{key:"setScheduleFunction",value:function(n){t.setScheduleFunction(n)}},{key:"data",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;return t&&(this._data=X({},t)),this._data}},{key:"dispose",value:function(){for(var t in this)delete this[t]}}],e&&W(n.prototype,e),t}();function Pt(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},n=new kt;return n.tween(t),n.tweenable=n,n}Y(kt,"now",(function(){return Z})),Y(kt,"setScheduleFunction",(function(t){return ft=t})),Y(kt,"filters",{}),Y(kt,"formulas",vt),bt(!0);var Mt,Et,At=/(\d|-|\.)/,Tt=/([^\-0-9.]+)/g,It=/[0-9.-]+/g,Ft=(Mt=It.source,Et=/,\s*/.source,new RegExp("rgba?\\(".concat(Mt).concat(Et).concat(Mt).concat(Et).concat(Mt,"(").concat(Et).concat(Mt,")?\\)"),"g")),xt=/^.*\(/,Ct=/#([0-9]|[a-f]){3,6}/gi,Dt="VAL",qt=function(t,n){return t.map((function(t,e){return"_".concat(n,"_").concat(e)}))};function Qt(t){return parseInt(t,16)}var Bt=function(t){return"rgb(".concat((n=t,3===(n=n.replace(/#/,"")).length&&(n=(n=n.split(""))[0]+n[0]+n[1]+n[1]+n[2]+n[2]),[Qt(n.substr(0,2)),Qt(n.substr(2,2)),Qt(n.substr(4,2))]).join(","),")");var n},Nt=function(t,n,e){var r=n.match(t),i=n.replace(t,Dt);return r&&r.forEach((function(t){return i=i.replace(Dt,e(t))})),i},Rt=function(t){for(var n in t){var e=t[n];"string"==typeof e&&e.match(Ct)&&(t[n]=Nt(Ct,e,Bt))}},zt=function(t){var n=t.match(It),e=n.slice(0,3).map(Math.floor),r=t.match(xt)[0];if(3===n.length)return"".concat(r).concat(e.join(","),")");if(4===n.length)return"".concat(r).concat(e.join(","),",").concat(n[3],")");throw new Error("Invalid rgbChunk: ".concat(t))},Ut=function(t){return t.match(It)},$t=function(t,n){var e={};return n.forEach((function(n){e[n]=t[n],delete t[n]})),e},Lt=function(t,n){return n.map((function(n){return t[n]}))},Vt=function(t,n){return n.forEach((function(n){return t=t.replace(Dt,+n.toFixed(4))})),t},Wt=function(t){for(var n in t._currentState)if("string"==typeof t._currentState[n])return!0;return!1};function Gt(t){var n=t._currentState;[n,t._originalState,t._targetState].forEach(Rt),t._tokenData=function(t){var n,e,r={};for(var i in t){var o=t[i];"string"==typeof o&&(r[i]={formatString:(n=o,e=void 0,e=n.match(Tt),e?(1===e.length||n.charAt(0).match(At))&&e.unshift(""):e=["",""],e.join(Dt)),chunkNames:qt(Ut(o),i)})}return r}(n)}function Ht(t){var n=t._currentState,e=t._originalState,r=t._targetState,i=t._easing,o=t._tokenData;!function(t,n){var e=function(e){var r=n[e].chunkNames,i=t[e];if("string"==typeof i){var o=i.split(" "),u=o[o.length-1];r.forEach((function(n,e){return t[n]=o[e]||u}))}else r.forEach((function(n){return t[n]=i}));delete t[e]};for(var r in n)e(r)}(i,o),[n,e,r].forEach((function(t){return function(t,n){var e=function(e){Ut(t[e]).forEach((function(r,i){return t[n[e].chunkNames[i]]=+r})),delete t[e]};for(var r in n)e(r)}(t,o)}))}function Jt(t){var n=t._currentState,e=t._originalState,r=t._targetState,i=t._easing,o=t._tokenData;[n,e,r].forEach((function(t){return function(t,n){for(var e in n){var r=n[e],i=r.chunkNames,o=r.formatString,u=Vt(o,Lt($t(t,i),i));t[e]=Nt(Ft,u,zt)}}(t,o)})),function(t,n){for(var e in n){var r=n[e].chunkNames,i=t[r[0]];t[e]="string"==typeof i?r.map((function(n){var e=t[n];return delete t[n],e})).join(" "):i}}(i,o)}function Kt(t,n){var e=Object.keys(t);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(t);n&&(r=r.filter((function(n){return Object.getOwnPropertyDescriptor(t,n).enumerable}))),e.push.apply(e,r)}return e}function Xt(t){for(var n=1;n<arguments.length;n++){var e=null!=arguments[n]?arguments[n]:{};n%2?Kt(Object(e),!0).forEach((function(n){Yt(t,n,e[n])})):Object.getOwnPropertyDescriptors?Object.defineProperties(t,Object.getOwnPropertyDescriptors(e)):Kt(Object(e)).forEach((function(n){Object.defineProperty(t,n,Object.getOwnPropertyDescriptor(e,n))}))}return t}function Yt(t,n,e){return n in t?Object.defineProperty(t,n,{value:e,enumerable:!0,configurable:!0,writable:!0}):t[n]=e,t}var Zt=new kt,tn=kt.filters,nn=function(t,n,e,r){var i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:0,o=Xt({},t),u=Ot(t,r);for(var a in Zt._filters.length=0,Zt.set({}),Zt._currentState=o,Zt._originalState=t,Zt._targetState=n,Zt._easing=u,tn)tn[a].doesApply(Zt)&&Zt._filters.push(tn[a]);Zt._applyFilter("tweenCreated"),Zt._applyFilter("beforeTween");var s=yt(e,o,t,n,1,i,u);return Zt._applyFilter("afterTween"),s};function en(t,n){(null==n||n>t.length)&&(n=t.length);for(var e=0,r=new Array(n);e<n;e++)r[e]=t[e];return r}function rn(t,n){if(!(t instanceof n))throw new TypeError("Cannot call a class as a function")}function on(t,n){for(var e=0;e<n.length;e++){var r=n[e];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function un(t,n){var e=n.get(t);if(!e)throw new TypeError("attempted to get private field on non-instance");return e.get?e.get.call(t):e.value}var an=new WeakMap,sn=function(){function t(){rn(this,t),an.set(this,{writable:!0,value:[]});for(var n=arguments.length,e=new Array(n),r=0;r<n;r++)e[r]=arguments[r];e.forEach(this.add.bind(this))}var n,e;return n=t,(e=[{key:"add",value:function(t){return un(this,an).push(t),t}},{key:"remove",value:function(t){var n=un(this,an).indexOf(t);return~n&&un(this,an).splice(n,1),t}},{key:"empty",value:function(){return this.tweenables.map(this.remove.bind(this))}},{key:"isPlaying",value:function(){return un(this,an).some((function(t){return t.isPlaying()}))}},{key:"play",value:function(){return un(this,an).forEach((function(t){return t.tween()})),this}},{key:"pause",value:function(){return un(this,an).forEach((function(t){return t.pause()})),this}},{key:"resume",value:function(){return this.playingTweenables.forEach((function(t){return t.resume()})),this}},{key:"stop",value:function(t){return un(this,an).forEach((function(n){return n.stop(t)})),this}},{key:"tweenables",get:function(){return function(t){if(Array.isArray(t))return en(t)}(t=un(this,an))||function(t){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(t))return Array.from(t)}(t)||function(t,n){if(t){if("string"==typeof t)return en(t,n);var e=Object.prototype.toString.call(t).slice(8,-1);return"Object"===e&&t.constructor&&(e=t.constructor.name),"Map"===e||"Set"===e?Array.from(t):"Arguments"===e||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(e)?en(t,n):void 0}}(t)||function(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}();var t}},{key:"playingTweenables",get:function(){return un(this,an).filter((function(t){return!t.hasEnded()}))}},{key:"promises",get:function(){return un(this,an).map((function(t){return t.then()}))}}])&&on(n.prototype,e),t}();kt.filters.token=i}},n={};function e(r){if(n[r])return n[r].exports;var i=n[r]={exports:{}};return t[r](i,i.exports,e),i.exports}return e.d=function(t,n){for(var r in n)e.o(n,r)&&!e.o(t,r)&&Object.defineProperty(t,r,{enumerable:!0,get:n[r]})},e.g=function(){if("object"==typeof globalThis)return globalThis;try{return this||new Function("return this")()}catch(t){if("object"==typeof window)return window}}(),e.o=function(t,n){return Object.prototype.hasOwnProperty.call(t,n)},e.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},e(720)}()}));

},{}],3:[function(require,module,exports){
// Circle shaped progress bar

var Shape = require('./shape');
var utils = require('./utils');

var Circle = function Circle(container, options) {
	// Use two arcs to form a circle
	// See this answer http://stackoverflow.com/a/10477334/1446092
	this._pathTemplate =
		'M 50,50 m 0,-{radius}' +
		' a {radius},{radius} 0 1 1 0,{2radius}' +
		' a {radius},{radius} 0 1 1 0,-{2radius}';

	this.containerAspectRatio = 1;

	Shape.apply(this, arguments);
};

Circle.prototype = new Shape();
Circle.prototype.constructor = Circle;

Circle.prototype._pathString = function _pathString(opts) {
	var widthOfWider = opts.strokeWidth;
	if (opts.trailWidth && opts.trailWidth > opts.strokeWidth) {
		widthOfWider = opts.trailWidth;
	}

	var r = 50 - widthOfWider / 2;

	return utils.render(this._pathTemplate, {
		radius: r,
		'2radius': r * 2
	});
};

Circle.prototype._trailString = function _trailString(opts) {
	return this._pathString(opts);
};

module.exports = Circle;

},{"./shape":8,"./utils":10}],4:[function(require,module,exports){
// Line shaped progress bar

var Shape = require('./shape');
var utils = require('./utils');

var Line = function Line(container, options) {
	this._pathTemplate = options.vertical
		? 'M {center},100 L {center},0'
		: 'M 0,{center} L 100,{center}';
	Shape.apply(this, arguments);
};

Line.prototype = new Shape();
Line.prototype.constructor = Line;

Line.prototype._initializeSvg = function _initializeSvg(svg, opts) {
	var viewBoxStr = opts.vertical
		? '0 0 ' + opts.strokeWidth + ' 100'
		: '0 0 100 ' + opts.strokeWidth;
	svg.setAttribute('viewBox', viewBoxStr);
	svg.setAttribute('preserveAspectRatio', 'none');
};

Line.prototype._pathString = function _pathString(opts) {
	return utils.render(this._pathTemplate, {
		center: opts.strokeWidth / 2
	});
};

Line.prototype._trailString = function _trailString(opts) {
	return this._pathString(opts);
};

module.exports = Line;

},{"./shape":8,"./utils":10}],5:[function(require,module,exports){
module.exports = {
	// Higher level API, different shaped progress bars
	Line: require('./line'),
	Circle: require('./circle'),
	SemiCircle: require('./semicircle'),
	Square: require('./square'),

	// Lower level API to use any SVG path
	Path: require('./path'),

	// Base-class for creating new custom shapes
	// to be in line with the API of built-in shapes
	// Undocumented.
	Shape: require('./shape'),

	// Internal utils, undocumented.
	utils: require('./utils')
};

},{"./circle":3,"./line":4,"./path":6,"./semicircle":7,"./shape":8,"./square":9,"./utils":10}],6:[function(require,module,exports){
// Lower level API to animate any kind of svg path

var shifty = require('shifty');
var utils = require('./utils');

var Tweenable = shifty.Tweenable;

var EASING_ALIASES = {
	easeIn: 'easeInCubic',
	easeOut: 'easeOutCubic',
	easeInOut: 'easeInOutCubic'
};

var Path = function Path(path, opts) {
	// Throw a better error if not initialized with `new` keyword
	if (!(this instanceof Path)) {
		throw new Error('Constructor was called without new keyword');
	}

	// Default parameters for animation
	opts = utils.extend({
		delay: 0,
		duration: 800,
		easing: 'linear',
		from: {},
		to: {},
		step: function() {}
	}, opts);

	var element;
	if (utils.isString(path)) {
		element = document.querySelector(path);
	} else {
		element = path;
	}

	// Reveal .path as public attribute
	this.path = element;
	this._opts = opts;
	this._tweenable = null;

	// Set up the starting positions
	var length = this.path.getTotalLength();
	this.path.style.strokeDasharray = length + ' ' + length;
	this.set(0);
};

Path.prototype.value = function value() {
	var offset = this._getComputedDashOffset();
	var length = this.path.getTotalLength();

	var progress = 1 - offset / length;
	// Round number to prevent returning very small number like 1e-30, which
	// is practically 0
	return parseFloat(progress.toFixed(6), 10);
};

Path.prototype.set = function set(progress) {
	this.stop();

	this.path.style.strokeDashoffset = this._progressToOffset(progress);

	var step = this._opts.step;
	if (utils.isFunction(step)) {
		var easing = this._easing(this._opts.easing);
		var values = this._calculateTo(progress, easing);
		var reference = this._opts.shape || this;
		step(values, reference, this._opts.attachment);
	}
};

Path.prototype.stop = function stop() {
	this._stopTween();
	this.path.style.strokeDashoffset = this._getComputedDashOffset();
};

// Method introduced here:
// http://jakearchibald.com/2013/animated-line-drawing-svg/
Path.prototype.animate = function animate(progress, opts, cb) {
	opts = opts || {};

	if (utils.isFunction(opts)) {
		cb = opts;
		opts = {};
	}

	var passedOpts = utils.extend({}, opts);

	// Copy default opts to new object so defaults are not modified
	var defaultOpts = utils.extend({}, this._opts);
	opts = utils.extend(defaultOpts, opts);

	var shiftyEasing = this._easing(opts.easing);
	var values = this._resolveFromAndTo(progress, shiftyEasing, passedOpts);

	this.stop();

	// Trigger a layout so styles are calculated & the browser
	// picks up the starting position before animating
	this.path.getBoundingClientRect();

	var offset = this._getComputedDashOffset();
	var newOffset = this._progressToOffset(progress);

	var self = this;
	this._tweenable = new Tweenable();
	this._tweenable.tween({
		from: utils.extend({ offset: offset }, values.from),
		to: utils.extend({ offset: newOffset }, values.to),
		duration: opts.duration,
		delay: opts.delay,
		easing: shiftyEasing,
		step: function(state) {
			self.path.style.strokeDashoffset = state.offset;
			var reference = opts.shape || self;
			opts.step(state, reference, opts.attachment);
		}
	}).then(function(state) {
		if (utils.isFunction(cb)) {
			cb();
		}
	}).catch(function(err) {
		console.error('Error in tweening:', err);
		throw err;
	});
};

Path.prototype._getComputedDashOffset = function _getComputedDashOffset() {
	var computedStyle = window.getComputedStyle(this.path, null);
	// tag start 09052020
	var strokeDashOffset = computedStyle.getPropertyValue('stroke-dashoffset');
	return strokeDashOffset? parseFloat(strokeDashOffset, 10): 0;
	// tag end 09052020
};

Path.prototype._progressToOffset = function _progressToOffset(progress) {
	var length = this.path.getTotalLength();
	return length - progress * length;
};

// Resolves from and to values for animation.
Path.prototype._resolveFromAndTo = function _resolveFromAndTo(progress, easing, opts) {
	if (opts.from && opts.to) {
		return {
			from: opts.from,
			to: opts.to
		};
	}

	return {
		from: this._calculateFrom(easing),
		to: this._calculateTo(progress, easing)
	};
};

// Calculate `from` values from options passed at initialization
Path.prototype._calculateFrom = function _calculateFrom(easing) {
	return shifty.interpolate(this._opts.from, this._opts.to, this.value(), easing);
};

// Calculate `to` values from options passed at initialization
Path.prototype._calculateTo = function _calculateTo(progress, easing) {
	return shifty.interpolate(this._opts.from, this._opts.to, progress, easing);
};

Path.prototype._stopTween = function _stopTween() {
	if (this._tweenable !== null) {
		this._tweenable.stop(true);
		this._tweenable = null;
	}
};

Path.prototype._easing = function _easing(easing) {
	if (EASING_ALIASES.hasOwnProperty(easing)) {
		return EASING_ALIASES[easing];
	}

	return easing;
};

module.exports = Path;

},{"./utils":10,"shifty":2}],7:[function(require,module,exports){
// Semi-SemiCircle shaped progress bar

var Shape = require('./shape');
var Circle = require('./circle');
var utils = require('./utils');

var SemiCircle = function SemiCircle(container, options) {
	// Use one arc to form a SemiCircle
	// See this answer http://stackoverflow.com/a/10477334/1446092
	this._pathTemplate =
		'M 50,50 m -{radius},0' +
		' a {radius},{radius} 0 1 1 {2radius},0';

	this.containerAspectRatio = 2;

	Shape.apply(this, arguments);
};

SemiCircle.prototype = new Shape();
SemiCircle.prototype.constructor = SemiCircle;

SemiCircle.prototype._initializeSvg = function _initializeSvg(svg, opts) {
	svg.setAttribute('viewBox', '0 0 100 50');
};

SemiCircle.prototype._initializeTextContainer = function _initializeTextContainer(
	opts,
	container,
	textContainer
) {
	if (opts.text.style) {
		// Reset top style
		textContainer.style.top = 'auto';
		textContainer.style.bottom = '0';

		if (opts.text.alignToBottom) {
			utils.setStyle(textContainer, 'transform', 'translate(-50%, 0)');
		} else {
			utils.setStyle(textContainer, 'transform', 'translate(-50%, 50%)');
		}
	}
};

// Share functionality with Circle, just have different path
SemiCircle.prototype._pathString = Circle.prototype._pathString;
SemiCircle.prototype._trailString = Circle.prototype._trailString;

module.exports = SemiCircle;

},{"./circle":3,"./shape":8,"./utils":10}],8:[function(require,module,exports){
// Base object for different progress bar shapes

var Path = require('./path');
var utils = require('./utils');

var DESTROYED_ERROR = 'Object is destroyed';

var Shape = function Shape(container, opts) {
	// Throw a better error if progress bars are not initialized with `new`
	// keyword
	if (!(this instanceof Shape)) {
		throw new Error('Constructor was called without new keyword');
	}

	// Prevent calling constructor without parameters so inheritance
	// works correctly. To understand, this is how Shape is inherited:
	//
	//   Line.prototype = new Shape();
	//
	// We just want to set the prototype for Line.
	if (arguments.length === 0) {
		return;
	}

	// Default parameters for progress bar creation
	this._opts = utils.extend({
		color: '#555',
		strokeWidth: 1.0,
		trailColor: null,
		trailWidth: null,
		fill: null,
		text: {
			style: {
				color: null,
				position: 'absolute',
				left: '50%',
				top: '50%',
				padding: 0,
				margin: 0,
				transform: {
					prefix: true,
					value: 'translate(-50%, -50%)'
				}
			},
			autoStyleContainer: true,
			alignToBottom: true,
			value: null,
			className: 'progressbar-text'
		},
		svgStyle: {
			display: 'block',
			width: '100%'
		},
		warnings: false
	}, opts, true);  // Use recursive extend

	// If user specifies e.g. svgStyle or text style, the whole object
	// should replace the defaults to make working with styles easier
	if (utils.isObject(opts) && opts.svgStyle !== undefined) {
		this._opts.svgStyle = opts.svgStyle;
	}
	if (utils.isObject(opts) && utils.isObject(opts.text) && opts.text.style !== undefined) {
		this._opts.text.style = opts.text.style;
	}

	var svgView = this._createSvgView(this._opts);

	var element;
	if (utils.isString(container)) {
		element = document.querySelector(container);
	} else {
		element = container;
	}

	if (!element) {
		throw new Error('Container does not exist: ' + container);
	}

	this._container = element;
	this._container.appendChild(svgView.svg);
	if (this._opts.warnings) {
		this._warnContainerAspectRatio(this._container);
	}

	if (this._opts.svgStyle) {
		utils.setStyles(svgView.svg, this._opts.svgStyle);
	}

	// Expose public attributes before Path initialization
	this.svg = svgView.svg;
	this.path = svgView.path;
	this.trail = svgView.trail;
	this.text = null;

	var newOpts = utils.extend({
		attachment: undefined,
		shape: this
	}, this._opts);
	this._progressPath = new Path(svgView.path, newOpts);

	if (utils.isObject(this._opts.text) && this._opts.text.value !== null) {
		this.setText(this._opts.text.value);
	}
};

Shape.prototype.animate = function animate(progress, opts, cb) {
	if (this._progressPath === null) {
		throw new Error(DESTROYED_ERROR);
	}

	this._progressPath.animate(progress, opts, cb);
};

Shape.prototype.stop = function stop() {
	if (this._progressPath === null) {
		throw new Error(DESTROYED_ERROR);
	}

	// Don't crash if stop is called inside step function
	if (this._progressPath === undefined) {
		return;
	}

	this._progressPath.stop();
};

Shape.prototype.pause = function pause() {
	if (this._progressPath === null) {
		throw new Error(DESTROYED_ERROR);
	}

	if (this._progressPath === undefined) {
		return;
	}

	if (!this._progressPath._tweenable) {
		// It seems that we can't pause this
		return;
	}

	this._progressPath._tweenable.pause();
};

Shape.prototype.resume = function resume() {
	if (this._progressPath === null) {
		throw new Error(DESTROYED_ERROR);
	}

	if (this._progressPath === undefined) {
		return;
	}

	if (!this._progressPath._tweenable) {
		// It seems that we can't resume this
		return;
	}

	this._progressPath._tweenable.resume();
};

Shape.prototype.destroy = function destroy() {
	if (this._progressPath === null) {
		throw new Error(DESTROYED_ERROR);
	}

	this.stop();
	this.svg.parentNode.removeChild(this.svg);
	this.svg = null;
	this.path = null;
	this.trail = null;
	this._progressPath = null;

	if (this.text !== null) {
		this.text.parentNode.removeChild(this.text);
		this.text = null;
	}
};

Shape.prototype.set = function set(progress) {
	if (this._progressPath === null) {
		throw new Error(DESTROYED_ERROR);
	}

	this._progressPath.set(progress);
};

Shape.prototype.value = function value() {
	if (this._progressPath === null) {
		throw new Error(DESTROYED_ERROR);
	}

	if (this._progressPath === undefined) {
		return 0;
	}

	return this._progressPath.value();
};

Shape.prototype.setText = function setText(newText) {
	if (this._progressPath === null) {
		throw new Error(DESTROYED_ERROR);
	}

	if (this.text === null) {
		// Create new text node
		this.text = this._createTextContainer(this._opts, this._container);
		this._container.appendChild(this.text);
	}

	// Remove previous text and add new
	if (utils.isObject(newText)) {
		utils.removeChildren(this.text);
		this.text.appendChild(newText);
	} else {
		this.text.innerHTML = newText;
	}
};

Shape.prototype._createSvgView = function _createSvgView(opts) {
	var svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
	this._initializeSvg(svg, opts);

	var trailPath = null;
	// Each option listed in the if condition are 'triggers' for creating
	// the trail path
	if (opts.trailColor || opts.trailWidth) {
		trailPath = this._createTrail(opts);
		svg.appendChild(trailPath);
	}

	var path = this._createPath(opts);
	svg.appendChild(path);

	return {
		svg: svg,
		path: path,
		trail: trailPath
	};
};

Shape.prototype._initializeSvg = function _initializeSvg(svg, opts) {
	svg.setAttribute('viewBox', '0 0 100 100');
};

Shape.prototype._createPath = function _createPath(opts) {
	var pathString = this._pathString(opts);
	return this._createPathElement(pathString, opts);
};

Shape.prototype._createTrail = function _createTrail(opts) {
	// Create path string with original passed options
	var pathString = this._trailString(opts);

	// Prevent modifying original
	var newOpts = utils.extend({}, opts);

	// Defaults for parameters which modify trail path
	if (!newOpts.trailColor) {
		newOpts.trailColor = '#eee';
	}
	if (!newOpts.trailWidth) {
		newOpts.trailWidth = newOpts.strokeWidth;
	}

	newOpts.color = newOpts.trailColor;
	newOpts.strokeWidth = newOpts.trailWidth;

	// When trail path is set, fill must be set for it instead of the
	// actual path to prevent trail stroke from clipping
	newOpts.fill = null;

	return this._createPathElement(pathString, newOpts);
};

Shape.prototype._createPathElement = function _createPathElement(pathString, opts) {
	var path = document.createElementNS('http://www.w3.org/2000/svg', 'path');
	path.setAttribute('d', pathString);
	path.setAttribute('stroke', opts.color);
	path.setAttribute('stroke-width', opts.strokeWidth);

	if (opts.fill) {
		path.setAttribute('fill', opts.fill);
	} else {
		path.setAttribute('fill-opacity', '0');
	}

	return path;
};

Shape.prototype._createTextContainer = function _createTextContainer(opts, container) {
	var textContainer = document.createElement('div');
	textContainer.className = opts.text.className;

	var textStyle = opts.text.style;
	if (textStyle) {
		if (opts.text.autoStyleContainer) {
			container.style.position = 'relative';
		}

		utils.setStyles(textContainer, textStyle);
		// Default text color to progress bar's color
		if (!textStyle.color) {
			textContainer.style.color = opts.color;
		}
	}

	this._initializeTextContainer(opts, container, textContainer);
	return textContainer;
};

// Give custom shapes possibility to modify text element
Shape.prototype._initializeTextContainer = function(opts, container, element) {
	// By default, no-op
	// Custom shapes should respect API options, such as text.style
};

Shape.prototype._pathString = function _pathString(opts) {
	throw new Error('Override this function for each progress bar');
};

Shape.prototype._trailString = function _trailString(opts) {
	throw new Error('Override this function for each progress bar');
};

Shape.prototype._warnContainerAspectRatio = function _warnContainerAspectRatio(container) {
	if (!this.containerAspectRatio) {
		return;
	}

	var computedStyle = window.getComputedStyle(container, null);
	var width = parseFloat(computedStyle.getPropertyValue('width'), 10);
	var height = parseFloat(computedStyle.getPropertyValue('height'), 10);
	if (!utils.floatEquals(this.containerAspectRatio, width / height)) {
		console.warn(
			'Incorrect aspect ratio of container',
			'#' + container.id,
			'detected:',
			computedStyle.getPropertyValue('width') + '(width)',
			'/',
			computedStyle.getPropertyValue('height') + '(height)',
			'=',
			width / height
		);

		console.warn(
			'Aspect ratio of should be',
			this.containerAspectRatio
		);
	}
};

module.exports = Shape;

},{"./path":6,"./utils":10}],9:[function(require,module,exports){
// Square shaped progress bar
// Note: Square is not core part of API anymore. It's left here
//       for reference. square is not included to the progressbar
//       build anymore

var Shape = require('./shape');
var utils = require('./utils');

var Square = function Square(container, options) {
	this._pathTemplate =
		'M 0,{halfOfStrokeWidth}' +
		' L {width},{halfOfStrokeWidth}' +
		' L {width},{width}' +
		' L {halfOfStrokeWidth},{width}' +
		' L {halfOfStrokeWidth},{strokeWidth}';

	this._trailTemplate =
		'M {startMargin},{halfOfStrokeWidth}' +
		' L {width},{halfOfStrokeWidth}' +
		' L {width},{width}' +
		' L {halfOfStrokeWidth},{width}' +
		' L {halfOfStrokeWidth},{halfOfStrokeWidth}';

	Shape.apply(this, arguments);
};

Square.prototype = new Shape();
Square.prototype.constructor = Square;

Square.prototype._pathString = function _pathString(opts) {
	var w = 100 - opts.strokeWidth / 2;

	return utils.render(this._pathTemplate, {
		width: w,
		strokeWidth: opts.strokeWidth,
		halfOfStrokeWidth: opts.strokeWidth / 2
	});
};

Square.prototype._trailString = function _trailString(opts) {
	var w = 100 - opts.strokeWidth / 2;

	return utils.render(this._trailTemplate, {
		width: w,
		strokeWidth: opts.strokeWidth,
		halfOfStrokeWidth: opts.strokeWidth / 2,
		startMargin: opts.strokeWidth / 2 - opts.trailWidth / 2
	});
};

module.exports = Square;

},{"./shape":8,"./utils":10}],10:[function(require,module,exports){
// Utility functions

var merge = require('lodash.merge');

var PREFIXES = 'Webkit Moz O ms'.split(' ');
var FLOAT_COMPARISON_EPSILON = 0.001;

// Renders templates with given variables. Variables must be surrounded with
// braces without any spaces, e.g. {variable}
// All instances of variable placeholders will be replaced with given content
// Example:
// render('Hello, {message}!', {message: 'world'})
function render(template, vars) {
	var rendered = template;

	for (var key in vars) {
		if (vars.hasOwnProperty(key)) {
			var val = vars[key];
			var regExpString = '\\{' + key + '\\}';
			var regExp = new RegExp(regExpString, 'g');

			rendered = rendered.replace(regExp, val);
		}
	}

	return rendered;
}

function setStyle(element, style, value) {
	var elStyle = element.style;  // cache for performance

	for (var i = 0; i < PREFIXES.length; ++i) {
		var prefix = PREFIXES[i];
		elStyle[prefix + capitalize(style)] = value;
	}

	elStyle[style] = value;
}

function setStyles(element, styles) {
	forEachObject(styles, function(styleValue, styleName) {
		// Allow disabling some individual styles by setting them
		// to null or undefined
		if (styleValue === null || styleValue === undefined) {
			return;
		}

		// If style's value is {prefix: true, value: '50%'},
		// Set also browser prefixed styles
		if (isObject(styleValue) && styleValue.prefix === true) {
			setStyle(element, styleName, styleValue.value);
		} else {
			element.style[styleName] = styleValue;
		}
	});
}

function capitalize(text) {
	return text.charAt(0).toUpperCase() + text.slice(1);
}

function isString(obj) {
	return typeof obj === 'string' || obj instanceof String;
}

function isFunction(obj) {
	return typeof obj === 'function';
}

function isArray(obj) {
	return Object.prototype.toString.call(obj) === '[object Array]';
}

// Returns true if `obj` is object as in {a: 1, b: 2}, not if it's function or
// array
function isObject(obj) {
	if (isArray(obj)) {
		return false;
	}

	var type = typeof obj;
	return type === 'object' && !!obj;
}

function forEachObject(object, callback) {
	for (var key in object) {
		if (object.hasOwnProperty(key)) {
			var val = object[key];
			callback(val, key);
		}
	}
}

function floatEquals(a, b) {
	return Math.abs(a - b) < FLOAT_COMPARISON_EPSILON;
}

// https://coderwall.com/p/nygghw/don-t-use-innerhtml-to-empty-dom-elements
function removeChildren(el) {
	while (el.firstChild) {
		el.removeChild(el.firstChild);
	}
}

module.exports = {
	extend: merge,
	render: render,
	setStyle: setStyle,
	setStyles: setStyles,
	capitalize: capitalize,
	isString: isString,
	isFunction: isFunction,
	isObject: isObject,
	forEachObject: forEachObject,
	floatEquals: floatEquals,
	removeChildren: removeChildren
};

},{"lodash.merge":1}]},{},[5])(5)
});