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underscore-1.13.1.js
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underscore-1.13.1.js
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			(function (global, factory) {
			typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
			typeof define === 'function' && define.amd ? define('underscore', factory) :
			(global = typeof globalThis !== 'undefined' ? globalThis : global \|\| self, (function () {
			var current = global._;
			var exports = global._ = factory();
			exports.noConflict = function () { global._ = current; return exports; };
			}()));
			}(this, (function () {
			// Underscore.js 1.13.1
			// https://underscorejs.org
			// (c) 2009-2021 Jeremy Ashkenas, Julian Gonggrijp, and DocumentCloud and Investigative Reporters & Editors
			// Underscore may be freely distributed under the MIT license.

			// Current version.
			var VERSION = '1.13.1';

			// Establish the root object, `window` (`self`) in the browser, `global`
			// on the server, or `this` in some virtual machines. We use `self`
			// instead of `window` for `WebWorker` support.
			var root = typeof self == 'object' && self.self === self && self \|\|
			typeof global == 'object' && global.global === global && global \|\|
			Function('return this')() \|\|
			{};

			// Save bytes in the minified (but not gzipped) version:
			var ArrayProto = Array.prototype, ObjProto = Object.prototype;
			var SymbolProto = typeof Symbol !== 'undefined' ? Symbol.prototype : null;

			// Create quick reference variables for speed access to core prototypes.
			var push = ArrayProto.push,
			slice = ArrayProto.slice,
			toString = ObjProto.toString,
			hasOwnProperty = ObjProto.hasOwnProperty;

			// Modern feature detection.
			var supportsArrayBuffer = typeof ArrayBuffer !== 'undefined',
			supportsDataView = typeof DataView !== 'undefined';

			// All ECMAScript 5+ native function implementations that we hope to use
			// are declared here.
			var nativeIsArray = Array.isArray,
			nativeKeys = Object.keys,
			nativeCreate = Object.create,
			nativeIsView = supportsArrayBuffer && ArrayBuffer.isView;

			// Create references to these builtin functions because we override them.
			var _isNaN = isNaN,
			_isFinite = isFinite;

			// Keys in IE < 9 that won't be iterated by `for key in ...` and thus missed.
			var hasEnumBug = !{toString: null}.propertyIsEnumerable('toString');
			var nonEnumerableProps = ['valueOf', 'isPrototypeOf', 'toString',
			'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString'];

			// The largest integer that can be represented exactly.
			var MAX_ARRAY_INDEX = Math.pow(2, 53) - 1;

			// Some functions take a variable number of arguments, or a few expected
			// arguments at the beginning and then a variable number of values to operate
			// on. This helper accumulates all remaining arguments past the function’s
			// argument length (or an explicit `startIndex`), into an array that becomes
			// the last argument. Similar to ES6’s "rest parameter".
			function restArguments(func, startIndex) {
			startIndex = startIndex == null ? func.length - 1 : +startIndex;
			return function() {
			var length = Math.max(arguments.length - startIndex, 0),
			rest = Array(length),
			index = 0;
			for (; index < length; index++) {
			rest[index] = arguments[index + startIndex];
			}
			switch (startIndex) {
			case 0: return func.call(this, rest);
			case 1: return func.call(this, arguments[0], rest);
			case 2: return func.call(this, arguments[0], arguments[1], rest);
			}
			var args = Array(startIndex + 1);
			for (index = 0; index < startIndex; index++) {
			args[index] = arguments[index];
			}
			args[startIndex] = rest;
			return func.apply(this, args);
			};
			}

			// Is a given variable an object?
			function isObject(obj) {
			var type = typeof obj;
			return type === 'function' \|\| type === 'object' && !!obj;
			}

			// Is a given value equal to null?
			function isNull(obj) {
			return obj === null;
			}

			// Is a given variable undefined?
			function isUndefined(obj) {
			return obj === void 0;
			}

			// Is a given value a boolean?
			function isBoolean(obj) {
			return obj === true \|\| obj === false \|\| toString.call(obj) === '[object Boolean]';
			}

			// Is a given value a DOM element?
			function isElement(obj) {
			return !!(obj && obj.nodeType === 1);
			}

			// Internal function for creating a `toString`-based type tester.
			function tagTester(name) {
			var tag = '[object ' + name + ']';
			return function(obj) {
			return toString.call(obj) === tag;
			};
			}

			var isString = tagTester('String');

			var isNumber = tagTester('Number');

			var isDate = tagTester('Date');

			var isRegExp = tagTester('RegExp');

			var isError = tagTester('Error');

			var isSymbol = tagTester('Symbol');

			var isArrayBuffer = tagTester('ArrayBuffer');

			var isFunction = tagTester('Function');

			// Optimize `isFunction` if appropriate. Work around some `typeof` bugs in old
			// v8, IE 11 (#1621), Safari 8 (#1929), and PhantomJS (#2236).
			var nodelist = root.document && root.document.childNodes;
			if (typeof /./ != 'function' && typeof Int8Array != 'object' && typeof nodelist != 'function') {
			isFunction = function(obj) {
			return typeof obj == 'function' \|\| false;
			};
			}

			var isFunction$1 = isFunction;

			var hasObjectTag = tagTester('Object');

			// In IE 10 - Edge 13, `DataView` has string tag `'[object Object]'`.
			// In IE 11, the most common among them, this problem also applies to
			// `Map`, `WeakMap` and `Set`.
			var hasStringTagBug = (
			supportsDataView && hasObjectTag(new DataView(new ArrayBuffer(8)))
			),
			isIE11 = (typeof Map !== 'undefined' && hasObjectTag(new Map));

			var isDataView = tagTester('DataView');

			// In IE 10 - Edge 13, we need a different heuristic
			// to determine whether an object is a `DataView`.
			function ie10IsDataView(obj) {
			return obj != null && isFunction$1(obj.getInt8) && isArrayBuffer(obj.buffer);
			}

			var isDataView$1 = (hasStringTagBug ? ie10IsDataView : isDataView);

			// Is a given value an array?
			// Delegates to ECMA5's native `Array.isArray`.
			var isArray = nativeIsArray \|\| tagTester('Array');

			// Internal function to check whether `key` is an own property name of `obj`.
			function has$1(obj, key) {
			return obj != null && hasOwnProperty.call(obj, key);
			}

			var isArguments = tagTester('Arguments');

			// Define a fallback version of the method in browsers (ahem, IE < 9), where
			// there isn't any inspectable "Arguments" type.
			(function() {
			if (!isArguments(arguments)) {
			isArguments = function(obj) {
			return has$1(obj, 'callee');
			};
			}
			}());

			var isArguments$1 = isArguments;

			// Is a given object a finite number?
			function isFinite$1(obj) {
			return !isSymbol(obj) && _isFinite(obj) && !isNaN(parseFloat(obj));
			}

			// Is the given value `NaN`?
			function isNaN$1(obj) {
			return isNumber(obj) && _isNaN(obj);
			}

			// Predicate-generating function. Often useful outside of Underscore.
			function constant(value) {
			return function() {
			return value;
			};
			}

			// Common internal logic for `isArrayLike` and `isBufferLike`.
			function createSizePropertyCheck(getSizeProperty) {
			return function(collection) {
			var sizeProperty = getSizeProperty(collection);
			return typeof sizeProperty == 'number' && sizeProperty >= 0 && sizeProperty <= MAX_ARRAY_INDEX;
			}
			}

			// Internal helper to generate a function to obtain property `key` from `obj`.
			function shallowProperty(key) {
			return function(obj) {
			return obj == null ? void 0 : obj[key];
			};
			}

			// Internal helper to obtain the `byteLength` property of an object.
			var getByteLength = shallowProperty('byteLength');

			// Internal helper to determine whether we should spend extensive checks against
			// `ArrayBuffer` et al.
			var isBufferLike = createSizePropertyCheck(getByteLength);

			// Is a given value a typed array?
			var typedArrayPattern = /\[object ((I\|Ui)nt(8\|16\|32)\|Float(32\|64)\|Uint8Clamped\|Big(I\|Ui)nt64)Array\]/;
			function isTypedArray(obj) {
			// `ArrayBuffer.isView` is the most future-proof, so use it when available.
			// Otherwise, fall back on the above regular expression.
			return nativeIsView ? (nativeIsView(obj) && !isDataView$1(obj)) :
			isBufferLike(obj) && typedArrayPattern.test(toString.call(obj));
			}

			var isTypedArray$1 = supportsArrayBuffer ? isTypedArray : constant(false);

			// Internal helper to obtain the `length` property of an object.
			var getLength = shallowProperty('length');

			// Internal helper to create a simple lookup structure.
			// `collectNonEnumProps` used to depend on `_.contains`, but this led to
			// circular imports. `emulatedSet` is a one-off solution that only works for
			// arrays of strings.
			function emulatedSet(keys) {
			var hash = {};
			for (var l = keys.length, i = 0; i < l; ++i) hash[keys[i]] = true;
			return {
			contains: function(key) { return hash[key]; },
			push: function(key) {
			hash[key] = true;
			return keys.push(key);
			}
			};
			}

			// Internal helper. Checks `keys` for the presence of keys in IE < 9 that won't
			// be iterated by `for key in ...` and thus missed. Extends `keys` in place if
			// needed.
			function collectNonEnumProps(obj, keys) {
			keys = emulatedSet(keys);
			var nonEnumIdx = nonEnumerableProps.length;
			var constructor = obj.constructor;
			var proto = isFunction$1(constructor) && constructor.prototype \|\| ObjProto;

			// Constructor is a special case.
			var prop = 'constructor';
			if (has$1(obj, prop) && !keys.contains(prop)) keys.push(prop);

			while (nonEnumIdx--) {
			prop = nonEnumerableProps[nonEnumIdx];
			if (prop in obj && obj[prop] !== proto[prop] && !keys.contains(prop)) {
			keys.push(prop);
			}
			}
			}

			// Retrieve the names of an object's own properties.
			// Delegates to ECMAScript 5's native `Object.keys`.
			function keys(obj) {
			if (!isObject(obj)) return [];
			if (nativeKeys) return nativeKeys(obj);
			var keys = [];
			for (var key in obj) if (has$1(obj, key)) keys.push(key);
			// Ahem, IE < 9.
			if (hasEnumBug) collectNonEnumProps(obj, keys);
			return keys;
			}

			// Is a given array, string, or object empty?
			// An "empty" object has no enumerable own-properties.
			function isEmpty(obj) {
			if (obj == null) return true;
			// Skip the more expensive `toString`-based type checks if `obj` has no
			// `.length`.
			var length = getLength(obj);
			if (typeof length == 'number' && (
			isArray(obj) \|\| isString(obj) \|\| isArguments$1(obj)
			)) return length === 0;
			return getLength(keys(obj)) === 0;
			}

			// Returns whether an object has a given set of `key:value` pairs.
			function isMatch(object, attrs) {
			var _keys = keys(attrs), length = _keys.length;
			if (object == null) return !length;
			var obj = Object(object);
			for (var i = 0; i < length; i++) {
			var key = _keys[i];
			if (attrs[key] !== obj[key] \|\| !(key in obj)) return false;
			}
			return true;
			}

			// If Underscore is called as a function, it returns a wrapped object that can
			// be used OO-style. This wrapper holds altered versions of all functions added
			// through `_.mixin`. Wrapped objects may be chained.
			function _$1(obj) {
			if (obj instanceof _$1) return obj;
			if (!(this instanceof _$1)) return new _$1(obj);
			this._wrapped = obj;
			}

			_$1.VERSION = VERSION;

			// Extracts the result from a wrapped and chained object.
			_$1.prototype.value = function() {
			return this._wrapped;
			};

			// Provide unwrapping proxies for some methods used in engine operations
			// such as arithmetic and JSON stringification.
			_$1.prototype.valueOf = _$1.prototype.toJSON = _$1.prototype.value;

			_$1.prototype.toString = function() {
			return String(this._wrapped);
			};

			// Internal function to wrap or shallow-copy an ArrayBuffer,
			// typed array or DataView to a new view, reusing the buffer.
			function toBufferView(bufferSource) {
			return new Uint8Array(
			bufferSource.buffer \|\| bufferSource,
			bufferSource.byteOffset \|\| 0,
			getByteLength(bufferSource)
			);
			}

			// We use this string twice, so give it a name for minification.
			var tagDataView = '[object DataView]';

			// Internal recursive comparison function for `_.isEqual`.
			function eq(a, b, aStack, bStack) {
			// Identical objects are equal. `0 === -0`, but they aren't identical.
			// See the [Harmony `egal` proposal](https://wiki.ecmascript.org/doku.php?id=harmony:egal).
			if (a === b) return a !== 0 \|\| 1 / a === 1 / b;
			// `null` or `undefined` only equal to itself (strict comparison).
			if (a == null \|\| b == null) return false;
			// `NaN`s are equivalent, but non-reflexive.
			if (a !== a) return b !== b;
			// Exhaust primitive checks
			var type = typeof a;
			if (type !== 'function' && type !== 'object' && typeof b != 'object') return false;
			return deepEq(a, b, aStack, bStack);
			}

			// Internal recursive comparison function for `_.isEqual`.
			function deepEq(a, b, aStack, bStack) {
			// Unwrap any wrapped objects.
			if (a instanceof _$1) a = a._wrapped;
			if (b instanceof _$1) b = b._wrapped;
			// Compare `[[Class]]` names.
			var className = toString.call(a);
			if (className !== toString.call(b)) return false;
			// Work around a bug in IE 10 - Edge 13.
			if (hasStringTagBug && className == '[object Object]' && isDataView$1(a)) {
			if (!isDataView$1(b)) return false;
			className = tagDataView;
			}
			switch (className) {
			// These types are compared by value.
			case '[object RegExp]':
			// RegExps are coerced to strings for comparison (Note: '' + /a/i === '/a/i')
			case '[object String]':
			// Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
			// equivalent to `new String("5")`.
			return '' + a === '' + b;
			case '[object Number]':
			// `NaN`s are equivalent, but non-reflexive.
			// Object(NaN) is equivalent to NaN.
			if (+a !== +a) return +b !== +b;
			// An `egal` comparison is performed for other numeric values.
			return +a === 0 ? 1 / +a === 1 / b : +a === +b;
			case '[object Date]':
			case '[object Boolean]':
			// Coerce dates and booleans to numeric primitive values. Dates are compared by their
			// millisecond representations. Note that invalid dates with millisecond representations
			// of `NaN` are not equivalent.
			return +a === +b;
			case '[object Symbol]':
			return SymbolProto.valueOf.call(a) === SymbolProto.valueOf.call(b);
			case '[object ArrayBuffer]':
			case tagDataView:
			// Coerce to typed array so we can fall through.
			return deepEq(toBufferView(a), toBufferView(b), aStack, bStack);
			}

			var areArrays = className === '[object Array]';
			if (!areArrays && isTypedArray$1(a)) {
			var byteLength = getByteLength(a);
			if (byteLength !== getByteLength(b)) return false;
			if (a.buffer === b.buffer && a.byteOffset === b.byteOffset) return true;
			areArrays = true;
			}
			if (!areArrays) {
			if (typeof a != 'object' \|\| typeof b != 'object') return false;

			// Objects with different constructors are not equivalent, but `Object`s or `Array`s
			// from different frames are.
			var aCtor = a.constructor, bCtor = b.constructor;
			if (aCtor !== bCtor && !(isFunction$1(aCtor) && aCtor instanceof aCtor &&
			isFunction$1(bCtor) && bCtor instanceof bCtor)
			&& ('constructor' in a && 'constructor' in b)) {
			return false;
			}
			}
			// Assume equality for cyclic structures. The algorithm for detecting cyclic
			// structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.

			// Initializing stack of traversed objects.
			// It's done here since we only need them for objects and arrays comparison.
			aStack = aStack \|\| [];
			bStack = bStack \|\| [];
			var length = aStack.length;
			while (length--) {
			// Linear search. Performance is inversely proportional to the number of
			// unique nested structures.
			if (aStack[length] === a) return bStack[length] === b;
			}

			// Add the first object to the stack of traversed objects.
			aStack.push(a);
			bStack.push(b);

			// Recursively compare objects and arrays.
			if (areArrays) {
			// Compare array lengths to determine if a deep comparison is necessary.
			length = a.length;
			if (length !== b.length) return false;
			// Deep compare the contents, ignoring non-numeric properties.
			while (length--) {
			if (!eq(a[length], b[length], aStack, bStack)) return false;
			}
			} else {
			// Deep compare objects.
			var _keys = keys(a), key;
			length = _keys.length;
			// Ensure that both objects contain the same number of properties before comparing deep equality.
			if (keys(b).length !== length) return false;
			while (length--) {
			// Deep compare each member
			key = _keys[length];
			if (!(has$1(b, key) && eq(a[key], b[key], aStack, bStack))) return false;
			}
			}
			// Remove the first object from the stack of traversed objects.
			aStack.pop();
			bStack.pop();
			return true;
			}

			// Perform a deep comparison to check if two objects are equal.
			function isEqual(a, b) {
			return eq(a, b);
			}

			// Retrieve all the enumerable property names of an object.
			function allKeys(obj) {
			if (!isObject(obj)) return [];
			var keys = [];
			for (var key in obj) keys.push(key);
			// Ahem, IE < 9.
			if (hasEnumBug) collectNonEnumProps(obj, keys);
			return keys;
			}

			// Since the regular `Object.prototype.toString` type tests don't work for
			// some types in IE 11, we use a fingerprinting heuristic instead, based
			// on the methods. It's not great, but it's the best we got.
			// The fingerprint method lists are defined below.
			function ie11fingerprint(methods) {
			var length = getLength(methods);
			return function(obj) {
			if (obj == null) return false;
			// `Map`, `WeakMap` and `Set` have no enumerable keys.
			var keys = allKeys(obj);
			if (getLength(keys)) return false;
			for (var i = 0; i < length; i++) {
			if (!isFunction$1(obj[methods[i]])) return false;
			}
			// If we are testing against `WeakMap`, we need to ensure that
			// `obj` doesn't have a `forEach` method in order to distinguish
			// it from a regular `Map`.
			return methods !== weakMapMethods \|\| !isFunction$1(obj[forEachName]);
			};
			}

			// In the interest of compact minification, we write
			// each string in the fingerprints only once.
			var forEachName = 'forEach',
			hasName = 'has',
			commonInit = ['clear', 'delete'],
			mapTail = ['get', hasName, 'set'];

			// `Map`, `WeakMap` and `Set` each have slightly different
			// combinations of the above sublists.
			var mapMethods = commonInit.concat(forEachName, mapTail),
			weakMapMethods = commonInit.concat(mapTail),
			setMethods = ['add'].concat(commonInit, forEachName, hasName);

			var isMap = isIE11 ? ie11fingerprint(mapMethods) : tagTester('Map');

			var isWeakMap = isIE11 ? ie11fingerprint(weakMapMethods) : tagTester('WeakMap');

			var isSet = isIE11 ? ie11fingerprint(setMethods) : tagTester('Set');

			var isWeakSet = tagTester('WeakSet');

			// Retrieve the values of an object's properties.
			function values(obj) {
			var _keys = keys(obj);
			var length = _keys.length;
			var values = Array(length);
			for (var i = 0; i < length; i++) {
			values[i] = obj[_keys[i]];
			}
			return values;
			}

			// Convert an object into a list of `[key, value]` pairs.
			// The opposite of `_.object` with one argument.
			function pairs(obj) {
			var _keys = keys(obj);
			var length = _keys.length;
			var pairs = Array(length);
			for (var i = 0; i < length; i++) {
			pairs[i] = [_keys[i], obj[_keys[i]]];
			}
			return pairs;
			}

			// Invert the keys and values of an object. The values must be serializable.
			function invert(obj) {
			var result = {};
			var _keys = keys(obj);
			for (var i = 0, length = _keys.length; i < length; i++) {
			result[obj[_keys[i]]] = _keys[i];
			}
			return result;
			}

			// Return a sorted list of the function names available on the object.
			function functions(obj) {
			var names = [];
			for (var key in obj) {
			if (isFunction$1(obj[key])) names.push(key);
			}
			return names.sort();
			}

			// An internal function for creating assigner functions.
			function createAssigner(keysFunc, defaults) {
			return function(obj) {
			var length = arguments.length;
			if (defaults) obj = Object(obj);
			if (length < 2 \|\| obj == null) return obj;
			for (var index = 1; index < length; index++) {
			var source = arguments[index],
			keys = keysFunc(source),
			l = keys.length;
			for (var i = 0; i < l; i++) {
			var key = keys[i];
			if (!defaults \|\| obj[key] === void 0) obj[key] = source[key];
			}
			}
			return obj;
			};
			}

			// Extend a given object with all the properties in passed-in object(s).
			var extend = createAssigner(allKeys);

			// Assigns a given object with all the own properties in the passed-in
			// object(s).
			// (https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign)
			var extendOwn = createAssigner(keys);

			// Fill in a given object with default properties.
			var defaults = createAssigner(allKeys, true);

			// Create a naked function reference for surrogate-prototype-swapping.
			function ctor() {
			return function(){};
			}

			// An internal function for creating a new object that inherits from another.
			function baseCreate(prototype) {
			if (!isObject(prototype)) return {};
			if (nativeCreate) return nativeCreate(prototype);
			var Ctor = ctor();
			Ctor.prototype = prototype;
			var result = new Ctor;
			Ctor.prototype = null;
			return result;
			}

			// Creates an object that inherits from the given prototype object.
			// If additional properties are provided then they will be added to the
			// created object.
			function create(prototype, props) {
			var result = baseCreate(prototype);
			if (props) extendOwn(result, props);
			return result;
			}

			// Create a (shallow-cloned) duplicate of an object.
			function clone(obj) {
			if (!isObject(obj)) return obj;
			return isArray(obj) ? obj.slice() : extend({}, obj);
			}

			// Invokes `interceptor` with the `obj` and then returns `obj`.
			// The primary purpose of this method is to "tap into" a method chain, in
			// order to perform operations on intermediate results within the chain.
			function tap(obj, interceptor) {
			interceptor(obj);
			return obj;
			}

			// Normalize a (deep) property `path` to array.
			// Like `_.iteratee`, this function can be customized.
			function toPath$1(path) {
			return isArray(path) ? path : [path];
			}
			_$1.toPath = toPath$1;

			// Internal wrapper for `_.toPath` to enable minification.
			// Similar to `cb` for `_.iteratee`.
			function toPath(path) {
			return _$1.toPath(path);
			}

			// Internal function to obtain a nested property in `obj` along `path`.
			function deepGet(obj, path) {
			var length = path.length;
			for (var i = 0; i < length; i++) {
			if (obj == null) return void 0;
			obj = obj[path[i]];
			}
			return length ? obj : void 0;
			}

			// Get the value of the (deep) property on `path` from `object`.
			// If any property in `path` does not exist or if the value is
			// `undefined`, return `defaultValue` instead.
			// The `path` is normalized through `_.toPath`.
			function get(object, path, defaultValue) {
			var value = deepGet(object, toPath(path));
			return isUndefined(value) ? defaultValue : value;
			}

			// Shortcut function for checking if an object has a given property directly on
			// itself (in other words, not on a prototype). Unlike the internal `has`
			// function, this public version can also traverse nested properties.
			function has(obj, path) {
			path = toPath(path);
			var length = path.length;
			for (var i = 0; i < length; i++) {
			var key = path[i];
			if (!has$1(obj, key)) return false;
			obj = obj[key];
			}
			return !!length;
			}

			// Keep the identity function around for default iteratees.
			function identity(value) {
			return value;
			}

			// Returns a predicate for checking whether an object has a given set of
			// `key:value` pairs.
			function matcher(attrs) {
			attrs = extendOwn({}, attrs);
			return function(obj) {
			return isMatch(obj, attrs);
			};
			}

			// Creates a function that, when passed an object, will traverse that object’s
			// properties down the given `path`, specified as an array of keys or indices.
			function property(path) {
			path = toPath(path);
			return function(obj) {
			return deepGet(obj, path);
			};
			}

			// Internal function that returns an efficient (for current engines) version
			// of the passed-in callback, to be repeatedly applied in other Underscore
			// functions.
			function optimizeCb(func, context, argCount) {
			if (context === void 0) return func;
			switch (argCount == null ? 3 : argCount) {
			case 1: return function(value) {
			return func.call(context, value);
			};
			// The 2-argument case is omitted because we’re not using it.
			case 3: return function(value, index, collection) {
			return func.call(context, value, index, collection);
			};
			case 4: return function(accumulator, value, index, collection) {
			return func.call(context, accumulator, value, index, collection);
			};
			}
			return function() {
			return func.apply(context, arguments);
			};
			}

			// An internal function to generate callbacks that can be applied to each
			// element in a collection, returning the desired result — either `_.identity`,
			// an arbitrary callback, a property matcher, or a property accessor.
			function baseIteratee(value, context, argCount) {
			if (value == null) return identity;
			if (isFunction$1(value)) return optimizeCb(value, context, argCount);
			if (isObject(value) && !isArray(value)) return matcher(value);
			return property(value);
			}

			// External wrapper for our callback generator. Users may customize
			// `_.iteratee` if they want additional predicate/iteratee shorthand styles.
			// This abstraction hides the internal-only `argCount` argument.
			function iteratee(value, context) {
			return baseIteratee(value, context, Infinity);
			}
			_$1.iteratee = iteratee;

			// The function we call internally to generate a callback. It invokes
			// `_.iteratee` if overridden, otherwise `baseIteratee`.
			function cb(value, context, argCount) {
			if (_$1.iteratee !== iteratee) return _$1.iteratee(value, context);
			return baseIteratee(value, context, argCount);
			}

			// Returns the results of applying the `iteratee` to each element of `obj`.
			// In contrast to `_.map` it returns an object.
			function mapObject(obj, iteratee, context) {
			iteratee = cb(iteratee, context);
			var _keys = keys(obj),
			length = _keys.length,
			results = {};
			for (var index = 0; index < length; index++) {
			var currentKey = _keys[index];
			results[currentKey] = iteratee(obj[currentKey], currentKey, obj);
			}
			return results;
			}

			// Predicate-generating function. Often useful outside of Underscore.
			function noop(){}

			// Generates a function for a given object that returns a given property.
			function propertyOf(obj) {
			if (obj == null) return noop;
			return function(path) {
			return get(obj, path);
			};
			}

			// Run a function n times.
			function times(n, iteratee, context) {
			var accum = Array(Math.max(0, n));
			iteratee = optimizeCb(iteratee, context, 1);
			for (var i = 0; i < n; i++) accum[i] = iteratee(i);
			return accum;
			}

			// Return a random integer between `min` and `max` (inclusive).
			function random(min, max) {
			if (max == null) {
			max = min;
			min = 0;
			}
			return min + Math.floor(Math.random() * (max - min + 1));
			}

			// A (possibly faster) way to get the current timestamp as an integer.
			var now = Date.now \|\| function() {
			return new Date().getTime();
			};

			// Internal helper to generate functions for escaping and unescaping strings
			// to/from HTML interpolation.
			function createEscaper(map) {
			var escaper = function(match) {
			return map[match];
			};
			// Regexes for identifying a key that needs to be escaped.
			var source = '(?:' + keys(map).join('\|') + ')';
			var testRegexp = RegExp(source);
			var replaceRegexp = RegExp(source, 'g');
			return function(string) {
			string = string == null ? '' : '' + string;
			return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string;
			};
			}

			// Internal list of HTML entities for escaping.
			var escapeMap = {
			'&': '&',
			'<': '<',
			'>': '>',
			'"': '"',
			"'": ''',
			'`': '`'
			};

			// Function for escaping strings to HTML interpolation.
			var _escape = createEscaper(escapeMap);

			// Internal list of HTML entities for unescaping.
			var unescapeMap = invert(escapeMap);

			// Function for unescaping strings from HTML interpolation.
			var _unescape = createEscaper(unescapeMap);

			// By default, Underscore uses ERB-style template delimiters. Change the
			// following template settings to use alternative delimiters.
			var templateSettings = _$1.templateSettings = {
			evaluate: /<%([\s\S]+?)%>/g,
			interpolate: /<%=([\s\S]+?)%>/g,
			escape: /<%-([\s\S]+?)%>/g
			};

			// When customizing `_.templateSettings`, if you don't want to define an
			// interpolation, evaluation or escaping regex, we need one that is
			// guaranteed not to match.
			var noMatch = /(.)^/;

			// Certain characters need to be escaped so that they can be put into a
			// string literal.
			var escapes = {
			"'": "'",
			'\\': '\\',
			'\r': 'r',
			'\n': 'n',
			'\u2028': 'u2028',
			'\u2029': 'u2029'
			};

			var escapeRegExp = /\\\|'\|\r\|\n\|\u2028\|\u2029/g;

			function escapeChar(match) {
			return '\\' + escapes[match];
			}

			// In order to prevent third-party code injection through
			// `_.templateSettings.variable`, we test it against the following regular
			// expression. It is intentionally a bit more liberal than just matching valid
			// identifiers, but still prevents possible loopholes through defaults or
			// destructuring assignment.
			var bareIdentifier = /^\s(\w\|\$)+\s$/;

			// JavaScript micro-templating, similar to John Resig's implementation.
			// Underscore templating handles arbitrary delimiters, preserves whitespace,
			// and correctly escapes quotes within interpolated code.
			// NB: `oldSettings` only exists for backwards compatibility.
			function template(text, settings, oldSettings) {
			if (!settings && oldSettings) settings = oldSettings;
			settings = defaults({}, settings, _$1.templateSettings);

			// Combine delimiters into one regular expression via alternation.
			var matcher = RegExp([
			(settings.escape \|\| noMatch).source,
			(settings.interpolate \|\| noMatch).source,
			(settings.evaluate \|\| noMatch).source
			].join('\|') + '\|$', 'g');

			// Compile the template source, escaping string literals appropriately.
			var index = 0;
			var source = "__p+='";
			text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
			source += text.slice(index, offset).replace(escapeRegExp, escapeChar);
			index = offset + match.length;

			if (escape) {
			source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
			} else if (interpolate) {
			source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
			} else if (evaluate) {
			source += "';\n" + evaluate + "\n__p+='";
			}

			// Adobe VMs need the match returned to produce the correct offset.
			return match;
			});
			source += "';\n";

			var argument = settings.variable;
			if (argument) {
			// Insure against third-party code injection. (CVE-2021-23358)
			if (!bareIdentifier.test(argument)) throw new Error(
			'variable is not a bare identifier: ' + argument
			);
			} else {
			// If a variable is not specified, place data values in local scope.
			source = 'with(obj\|\|{}){\n' + source + '}\n';
			argument = 'obj';
			}

			source = "var __t,__p='',__j=Array.prototype.join," +
			"print=function(){__p+=__j.call(arguments,'');};\n" +
			source + 'return __p;\n';

			var render;
			try {
			render = new Function(argument, '_', source);
			} catch (e) {
			e.source = source;
			throw e;
			}

			var template = function(data) {
			return render.call(this, data, _$1);
			};

			// Provide the compiled source as a convenience for precompilation.
			template.source = 'function(' + argument + '){\n' + source + '}';

			return template;
			}

			// Traverses the children of `obj` along `path`. If a child is a function, it
			// is invoked with its parent as context. Returns the value of the final
			// child, or `fallback` if any child is undefined.
			function result(obj, path, fallback) {
			path = toPath(path);
			var length = path.length;
			if (!length) {
			return isFunction$1(fallback) ? fallback.call(obj) : fallback;
			}
			for (var i = 0; i < length; i++) {
			var prop = obj == null ? void 0 : obj[path[i]];
			if (prop === void 0) {
			prop = fallback;
			i = length; // Ensure we don't continue iterating.
			}
			obj = isFunction$1(prop) ? prop.call(obj) : prop;
			}
			return obj;
			}

			// Generate a unique integer id (unique within the entire client session).
			// Useful for temporary DOM ids.
			var idCounter = 0;
			function uniqueId(prefix) {
			var id = ++idCounter + '';
			return prefix ? prefix + id : id;
			}

			// Start chaining a wrapped Underscore object.
			function chain(obj) {
			var instance = _$1(obj);
			instance._chain = true;
			return instance;
			}

			// Internal function to execute `sourceFunc` bound to `context` with optional
			// `args`. Determines whether to execute a function as a constructor or as a
			// normal function.
			function executeBound(sourceFunc, boundFunc, context, callingContext, args) {
			if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args);
			var self = baseCreate(sourceFunc.prototype);
			var result = sourceFunc.apply(self, args);
			if (isObject(result)) return result;
			return self;
			}

			// Partially apply a function by creating a version that has had some of its
			// arguments pre-filled, without changing its dynamic `this` context. `_` acts
			// as a placeholder by default, allowing any combination of arguments to be
			// pre-filled. Set `_.partial.placeholder` for a custom placeholder argument.
			var partial = restArguments(function(func, boundArgs) {
			var placeholder = partial.placeholder;
			var bound = function() {
			var position = 0, length = boundArgs.length;
			var args = Array(length);
			for (var i = 0; i < length; i++) {
			args[i] = boundArgs[i] === placeholder ? arguments[position++] : boundArgs[i];
			}
			while (position < arguments.length) args.push(arguments[position++]);
			return executeBound(func, bound, this, this, args);
			};
			return bound;
			});

			partial.placeholder = _$1;

			// Create a function bound to a given object (assigning `this`, and arguments,
			// optionally).
			var bind = restArguments(function(func, context, args) {
			if (!isFunction$1(func)) throw new TypeError('Bind must be called on a function');
			var bound = restArguments(function(callArgs) {
			return executeBound(func, bound, context, this, args.concat(callArgs));
			});
			return bound;
			});

			// Internal helper for collection methods to determine whether a collection
			// should be iterated as an array or as an object.
			// Related: https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength
			// Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094
			var isArrayLike = createSizePropertyCheck(getLength);

			// Internal implementation of a recursive `flatten` function.
			function flatten$1(input, depth, strict, output) {
			output = output \|\| [];
			if (!depth && depth !== 0) {
			depth = Infinity;
			} else if (depth <= 0) {
			return output.concat(input);
			}
			var idx = output.length;
			for (var i = 0, length = getLength(input); i < length; i++) {
			var value = input[i];
			if (isArrayLike(value) && (isArray(value) \|\| isArguments$1(value))) {
			// Flatten current level of array or arguments object.
			if (depth > 1) {
			flatten$1(value, depth - 1, strict, output);
			idx = output.length;
			} else {
			var j = 0, len = value.length;
			while (j < len) output[idx++] = value[j++];
			}
			} else if (!strict) {
			output[idx++] = value;
			}
			}
			return output;
			}

			// Bind a number of an object's methods to that object. Remaining arguments
			// are the method names to be bound. Useful for ensuring that all callbacks
			// defined on an object belong to it.
			var bindAll = restArguments(function(obj, keys) {
			keys = flatten$1(keys, false, false);
			var index = keys.length;
			if (index < 1) throw new Error('bindAll must be passed function names');
			while (index--) {
			var key = keys[index];
			obj[key] = bind(obj[key], obj);
			}
			return obj;
			});

			// Memoize an expensive function by storing its results.
			function memoize(func, hasher) {
			var memoize = function(key) {
			var cache = memoize.cache;
			var address = '' + (hasher ? hasher.apply(this, arguments) : key);
			if (!has$1(cache, address)) cache[address] = func.apply(this, arguments);
			return cache[address];
			};
			memoize.cache = {};
			return memoize;
			}

			// Delays a function for the given number of milliseconds, and then calls
			// it with the arguments supplied.
			var delay = restArguments(function(func, wait, args) {
			return setTimeout(function() {
			return func.apply(null, args);
			}, wait);
			});

			// Defers a function, scheduling it to run after the current call stack has
			// cleared.
			var defer = partial(delay, _$1, 1);

			// Returns a function, that, when invoked, will only be triggered at most once
			// during a given window of time. Normally, the throttled function will run
			// as much as it can, without ever going more than once per `wait` duration;
			// but if you'd like to disable the execution on the leading edge, pass
			// `{leading: false}`. To disable execution on the trailing edge, ditto.
			function throttle(func, wait, options) {
			var timeout, context, args, result;
			var previous = 0;
			if (!options) options = {};

			var later = function() {
			previous = options.leading === false ? 0 : now();
			timeout = null;
			result = func.apply(context, args);
			if (!timeout) context = args = null;
			};

			var throttled = function() {
			var _now = now();
			if (!previous && options.leading === false) previous = _now;
			var remaining = wait - (_now - previous);
			context = this;
			args = arguments;
			if (remaining <= 0 \|\| remaining > wait) {
			if (timeout) {
			clearTimeout(timeout);
			timeout = null;
			}
			previous = _now;
			result = func.apply(context, args);
			if (!timeout) context = args = null;
			} else if (!timeout && options.trailing !== false) {
			timeout = setTimeout(later, remaining);
			}
			return result;
			};

			throttled.cancel = function() {
			clearTimeout(timeout);
			previous = 0;
			timeout = context = args = null;
			};

			return throttled;
			}

			// When a sequence of calls of the returned function ends, the argument
			// function is triggered. The end of a sequence is defined by the `wait`
			// parameter. If `immediate` is passed, the argument function will be
			// triggered at the beginning of the sequence instead of at the end.
			function debounce(func, wait, immediate) {
			var timeout, previous, args, result, context;

			var later = function() {
			var passed = now() - previous;
			if (wait > passed) {
			timeout = setTimeout(later, wait - passed);
			} else {
			timeout = null;
			if (!immediate) result = func.apply(context, args);
			// This check is needed because `func` can recursively invoke `debounced`.
			if (!timeout) args = context = null;
			}
			};

			var debounced = restArguments(function(_args) {
			context = this;
			args = _args;
			previous = now();
			if (!timeout) {
			timeout = setTimeout(later, wait);
			if (immediate) result = func.apply(context, args);
			}
			return result;
			});

			debounced.cancel = function() {
			clearTimeout(timeout);
			timeout = args = context = null;
			};

			return debounced;
			}

			// Returns the first function passed as an argument to the second,
			// allowing you to adjust arguments, run code before and after, and
			// conditionally execute the original function.
			function wrap(func, wrapper) {
			return partial(wrapper, func);
			}

			// Returns a negated version of the passed-in predicate.
			function negate(predicate) {
			return function() {
			return !predicate.apply(this, arguments);
			};
			}

			// Returns a function that is the composition of a list of functions, each
			// consuming the return value of the function that follows.
			function compose() {
			var args = arguments;
			var start = args.length - 1;
			return function() {
			var i = start;
			var result = args[start].apply(this, arguments);
			while (i--) result = args[i].call(this, result);
			return result;
			};
			}

			// Returns a function that will only be executed on and after the Nth call.
			function after(times, func) {
			return function() {
			if (--times < 1) {
			return func.apply(this, arguments);
			}
			};
			}

			// Returns a function that will only be executed up to (but not including) the
			// Nth call.
			function before(times, func) {
			var memo;
			return function() {
			if (--times > 0) {
			memo = func.apply(this, arguments);
			}
			if (times <= 1) func = null;
			return memo;
			};
			}

			// Returns a function that will be executed at most one time, no matter how
			// often you call it. Useful for lazy initialization.
			var once = partial(before, 2);

			// Returns the first key on an object that passes a truth test.
			function findKey(obj, predicate, context) {
			predicate = cb(predicate, context);
			var _keys = keys(obj), key;
			for (var i = 0, length = _keys.length; i < length; i++) {
			key = _keys[i];
			if (predicate(obj[key], key, obj)) return key;
			}
			}

			// Internal function to generate `_.findIndex` and `_.findLastIndex`.
			function createPredicateIndexFinder(dir) {
			return function(array, predicate, context) {
			predicate = cb(predicate, context);
			var length = getLength(array);
			var index = dir > 0 ? 0 : length - 1;
			for (; index >= 0 && index < length; index += dir) {
			if (predicate(array[index], index, array)) return index;
			}
			return -1;
			};
			}

			// Returns the first index on an array-like that passes a truth test.
			var findIndex = createPredicateIndexFinder(1);

			// Returns the last index on an array-like that passes a truth test.
			var findLastIndex = createPredicateIndexFinder(-1);

			// Use a comparator function to figure out the smallest index at which
			// an object should be inserted so as to maintain order. Uses binary search.
			function sortedIndex(array, obj, iteratee, context) {
			iteratee = cb(iteratee, context, 1);
			var value = iteratee(obj);
			var low = 0, high = getLength(array);
			while (low < high) {
			var mid = Math.floor((low + high) / 2);
			if (iteratee(array[mid]) < value) low = mid + 1; else high = mid;
			}
			return low;
			}

			// Internal function to generate the `_.indexOf` and `_.lastIndexOf` functions.
			function createIndexFinder(dir, predicateFind, sortedIndex) {
			return function(array, item, idx) {
			var i = 0, length = getLength(array);
			if (typeof idx == 'number') {
			if (dir > 0) {
			i = idx >= 0 ? idx : Math.max(idx + length, i);
			} else {
			length = idx >= 0 ? Math.min(idx + 1, length) : idx + length + 1;
			}
			} else if (sortedIndex && idx && length) {
			idx = sortedIndex(array, item);
			return array[idx] === item ? idx : -1;
			}
			if (item !== item) {
			idx = predicateFind(slice.call(array, i, length), isNaN$1);
			return idx >= 0 ? idx + i : -1;
			}
			for (idx = dir > 0 ? i : length - 1; idx >= 0 && idx < length; idx += dir) {
			if (array[idx] === item) return idx;
			}
			return -1;
			};
			}

			// Return the position of the first occurrence of an item in an array,
			// or -1 if the item is not included in the array.
			// If the array is large and already in sort order, pass `true`
			// for isSorted to use binary search.
			var indexOf = createIndexFinder(1, findIndex, sortedIndex);

			// Return the position of the last occurrence of an item in an array,
			// or -1 if the item is not included in the array.
			var lastIndexOf = createIndexFinder(-1, findLastIndex);

			// Return the first value which passes a truth test.
			function find(obj, predicate, context) {
			var keyFinder = isArrayLike(obj) ? findIndex : findKey;
			var key = keyFinder(obj, predicate, context);
			if (key !== void 0 && key !== -1) return obj[key];
			}

			// Convenience version of a common use case of `_.find`: getting the first
			// object containing specific `key:value` pairs.
			function findWhere(obj, attrs) {
			return find(obj, matcher(attrs));
			}

			// The cornerstone for collection functions, an `each`
			// implementation, aka `forEach`.
			// Handles raw objects in addition to array-likes. Treats all
			// sparse array-likes as if they were dense.
			function each(obj, iteratee, context) {
			iteratee = optimizeCb(iteratee, context);
			var i, length;
			if (isArrayLike(obj)) {
			for (i = 0, length = obj.length; i < length; i++) {
			iteratee(obj[i], i, obj);
			}
			} else {
			var _keys = keys(obj);
			for (i = 0, length = _keys.length; i < length; i++) {
			iteratee(obj[_keys[i]], _keys[i], obj);
			}
			}
			return obj;
			}

			// Return the results of applying the iteratee to each element.
			function map(obj, iteratee, context) {
			iteratee = cb(iteratee, context);
			var _keys = !isArrayLike(obj) && keys(obj),
			length = (_keys \|\| obj).length,
			results = Array(length);
			for (var index = 0; index < length; index++) {
			var currentKey = _keys ? _keys[index] : index;
			results[index] = iteratee(obj[currentKey], currentKey, obj);
			}
			return results;
			}

			// Internal helper to create a reducing function, iterating left or right.
			function createReduce(dir) {
			// Wrap code that reassigns argument variables in a separate function than
			// the one that accesses `arguments.length` to avoid a perf hit. (#1991)
			var reducer = function(obj, iteratee, memo, initial) {
			var _keys = !isArrayLike(obj) && keys(obj),
			length = (_keys \|\| obj).length,
			index = dir > 0 ? 0 : length - 1;
			if (!initial) {
			memo = obj[_keys ? _keys[index] : index];
			index += dir;
			}
			for (; index >= 0 && index < length; index += dir) {
			var currentKey = _keys ? _keys[index] : index;
			memo = iteratee(memo, obj[currentKey], currentKey, obj);
			}
			return memo;
			};

			return function(obj, iteratee, memo, context) {
			var initial = arguments.length >= 3;
			return reducer(obj, optimizeCb(iteratee, context, 4), memo, initial);
			};
			}

			// Reduce builds up a single result from a list of values, aka `inject`,
			// or `foldl`.
			var reduce = createReduce(1);

			// The right-associative version of reduce, also known as `foldr`.
			var reduceRight = createReduce(-1);

			// Return all the elements that pass a truth test.
			function filter(obj, predicate, context) {
			var results = [];
			predicate = cb(predicate, context);
			each(obj, function(value, index, list) {
			if (predicate(value, index, list)) results.push(value);
			});
			return results;
			}

			// Return all the elements for which a truth test fails.
			function reject(obj, predicate, context) {
			return filter(obj, negate(cb(predicate)), context);
			}

			// Determine whether all of the elements pass a truth test.
			function every(obj, predicate, context) {
			predicate = cb(predicate, context);
			var _keys = !isArrayLike(obj) && keys(obj),
			length = (_keys \|\| obj).length;
			for (var index = 0; index < length; index++) {
			var currentKey = _keys ? _keys[index] : index;
			if (!predicate(obj[currentKey], currentKey, obj)) return false;
			}
			return true;
			}

			// Determine if at least one element in the object passes a truth test.
			function some(obj, predicate, context) {
			predicate = cb(predicate, context);
			var _keys = !isArrayLike(obj) && keys(obj),
			length = (_keys \|\| obj).length;
			for (var index = 0; index < length; index++) {
			var currentKey = _keys ? _keys[index] : index;
			if (predicate(obj[currentKey], currentKey, obj)) return true;
			}
			return false;
			}

			// Determine if the array or object contains a given item (using `===`).
			function contains(obj, item, fromIndex, guard) {
			if (!isArrayLike(obj)) obj = values(obj);
			if (typeof fromIndex != 'number' \|\| guard) fromIndex = 0;
			return indexOf(obj, item, fromIndex) >= 0;
			}

			// Invoke a method (with arguments) on every item in a collection.
			var invoke = restArguments(function(obj, path, args) {
			var contextPath, func;
			if (isFunction$1(path)) {
			func = path;
			} else {
			path = toPath(path);
			contextPath = path.slice(0, -1);
			path = path[path.length - 1];
			}
			return map(obj, function(context) {
			var method = func;
			if (!method) {
			if (contextPath && contextPath.length) {
			context = deepGet(context, contextPath);
			}
			if (context == null) return void 0;
			method = context[path];
			}
			return method == null ? method : method.apply(context, args);
			});
			});

			// Convenience version of a common use case of `_.map`: fetching a property.
			function pluck(obj, key) {
			return map(obj, property(key));
			}

			// Convenience version of a common use case of `_.filter`: selecting only
			// objects containing specific `key:value` pairs.
			function where(obj, attrs) {
			return filter(obj, matcher(attrs));
			}

			// Return the maximum element (or element-based computation).
			function max(obj, iteratee, context) {
			var result = -Infinity, lastComputed = -Infinity,
			value, computed;
			if (iteratee == null \|\| typeof iteratee == 'number' && typeof obj[0] != 'object' && obj != null) {
			obj = isArrayLike(obj) ? obj : values(obj);
			for (var i = 0, length = obj.length; i < length; i++) {
			value = obj[i];
			if (value != null && value > result) {
			result = value;
			}
			}
			} else {
			iteratee = cb(iteratee, context);
			each(obj, function(v, index, list) {
			computed = iteratee(v, index, list);
			if (computed > lastComputed \|\| computed === -Infinity && result === -Infinity) {
			result = v;
			lastComputed = computed;
			}
			});
			}
			return result;
			}

			// Return the minimum element (or element-based computation).
			function min(obj, iteratee, context) {
			var result = Infinity, lastComputed = Infinity,
			value, computed;
			if (iteratee == null \|\| typeof iteratee == 'number' && typeof obj[0] != 'object' && obj != null) {
			obj = isArrayLike(obj) ? obj : values(obj);
			for (var i = 0, length = obj.length; i < length; i++) {
			value = obj[i];
			if (value != null && value < result) {
			result = value;
			}
			}
			} else {
			iteratee = cb(iteratee, context);
			each(obj, function(v, index, list) {
			computed = iteratee(v, index, list);
			if (computed < lastComputed \|\| computed === Infinity && result === Infinity) {
			result = v;
			lastComputed = computed;
			}
			});
			}
			return result;
			}

			// Sample n random values from a collection using the modern version of the
			// [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher–Yates_shuffle).
			// If n is not specified, returns a single random element.
			// The internal `guard` argument allows it to work with `_.map`.
			function sample(obj, n, guard) {
			if (n == null \|\| guard) {
			if (!isArrayLike(obj)) obj = values(obj);
			return obj[random(obj.length - 1)];
			}
			var sample = isArrayLike(obj) ? clone(obj) : values(obj);
			var length = getLength(sample);
			n = Math.max(Math.min(n, length), 0);
			var last = length - 1;
			for (var index = 0; index < n; index++) {
			var rand = random(index, last);
			var temp = sample[index];
			sample[index] = sample[rand];
			sample[rand] = temp;
			}
			return sample.slice(0, n);
			}

			// Shuffle a collection.
			function shuffle(obj) {
			return sample(obj, Infinity);
			}

			// Sort the object's values by a criterion produced by an iteratee.
			function sortBy(obj, iteratee, context) {
			var index = 0;
			iteratee = cb(iteratee, context);
			return pluck(map(obj, function(value, key, list) {
			return {
			value: value,
			index: index++,
			criteria: iteratee(value, key, list)
			};
			}).sort(function(left, right) {
			var a = left.criteria;
			var b = right.criteria;
			if (a !== b) {
			if (a > b \|\| a === void 0) return 1;
			if (a < b \|\| b === void 0) return -1;
			}
			return left.index - right.index;
			}), 'value');
			}

			// An internal function used for aggregate "group by" operations.
			function group(behavior, partition) {
			return function(obj, iteratee, context) {
			var result = partition ? [[], []] : {};
			iteratee = cb(iteratee, context);
			each(obj, function(value, index) {
			var key = iteratee(value, index, obj);
			behavior(result, value, key);
			});
			return result;
			};
			}

			// Groups the object's values by a criterion. Pass either a string attribute
			// to group by, or a function that returns the criterion.
			var groupBy = group(function(result, value, key) {
			if (has$1(result, key)) result[key].push(value); else result[key] = [value];
			});

			// Indexes the object's values by a criterion, similar to `_.groupBy`, but for
			// when you know that your index values will be unique.
			var indexBy = group(function(result, value, key) {
			result[key] = value;
			});

			// Counts instances of an object that group by a certain criterion. Pass
			// either a string attribute to count by, or a function that returns the
			// criterion.
			var countBy = group(function(result, value, key) {
			if (has$1(result, key)) result[key]++; else result[key] = 1;
			});

			// Split a collection into two arrays: one whose elements all pass the given
			// truth test, and one whose elements all do not pass the truth test.
			var partition = group(function(result, value, pass) {
			result[pass ? 0 : 1].push(value);
			}, true);

			// Safely create a real, live array from anything iterable.
			var reStrSymbol = /[^\ud800-\udfff]\|[\ud800-\udbff][\udc00-\udfff]\|[\ud800-\udfff]/g;
			function toArray(obj) {
			if (!obj) return [];
			if (isArray(obj)) return slice.call(obj);
			if (isString(obj)) {
			// Keep surrogate pair characters together.
			return obj.match(reStrSymbol);
			}
			if (isArrayLike(obj)) return map(obj, identity);
			return values(obj);
			}

			// Return the number of elements in a collection.
			function size(obj) {
			if (obj == null) return 0;
			return isArrayLike(obj) ? obj.length : keys(obj).length;
			}

			// Internal `_.pick` helper function to determine whether `key` is an enumerable
			// property name of `obj`.
			function keyInObj(value, key, obj) {
			return key in obj;
			}

			// Return a copy of the object only containing the allowed properties.
			var pick = restArguments(function(obj, keys) {
			var result = {}, iteratee = keys[0];
			if (obj == null) return result;
			if (isFunction$1(iteratee)) {
			if (keys.length > 1) iteratee = optimizeCb(iteratee, keys[1]);
			keys = allKeys(obj);
			} else {
			iteratee = keyInObj;
			keys = flatten$1(keys, false, false);
			obj = Object(obj);
			}
			for (var i = 0, length = keys.length; i < length; i++) {
			var key = keys[i];
			var value = obj[key];
			if (iteratee(value, key, obj)) result[key] = value;
			}
			return result;
			});

			// Return a copy of the object without the disallowed properties.
			var omit = restArguments(function(obj, keys) {
			var iteratee = keys[0], context;
			if (isFunction$1(iteratee)) {
			iteratee = negate(iteratee);
			if (keys.length > 1) context = keys[1];
			} else {
			keys = map(flatten$1(keys, false, false), String);
			iteratee = function(value, key) {
			return !contains(keys, key);
			};
			}
			return pick(obj, iteratee, context);
			});

			// Returns everything but the last entry of the array. Especially useful on
			// the arguments object. Passing n will return all the values in
			// the array, excluding the last N.
			function initial(array, n, guard) {
			return slice.call(array, 0, Math.max(0, array.length - (n == null \|\| guard ? 1 : n)));
			}

			// Get the first element of an array. Passing n will return the first N
			// values in the array. The guard check allows it to work with `_.map`.
			function first(array, n, guard) {
			if (array == null \|\| array.length < 1) return n == null \|\| guard ? void 0 : [];
			if (n == null \|\| guard) return array[0];
			return initial(array, array.length - n);
			}

			// Returns everything but the first entry of the `array`. Especially useful on
			// the `arguments` object. Passing an n will return the rest N values in the
			// `array`.
			function rest(array, n, guard) {
			return slice.call(array, n == null \|\| guard ? 1 : n);
			}

			// Get the last element of an array. Passing n will return the last N
			// values in the array.
			function last(array, n, guard) {
			if (array == null \|\| array.length < 1) return n == null \|\| guard ? void 0 : [];
			if (n == null \|\| guard) return array[array.length - 1];
			return rest(array, Math.max(0, array.length - n));
			}

			// Trim out all falsy values from an array.
			function compact(array) {
			return filter(array, Boolean);
			}

			// Flatten out an array, either recursively (by default), or up to `depth`.
			// Passing `true` or `false` as `depth` means `1` or `Infinity`, respectively.
			function flatten(array, depth) {
			return flatten$1(array, depth, false);
			}

			// Take the difference between one array and a number of other arrays.
			// Only the elements present in just the first array will remain.
			var difference = restArguments(function(array, rest) {
			rest = flatten$1(rest, true, true);
			return filter(array, function(value){
			return !contains(rest, value);
			});
			});

			// Return a version of the array that does not contain the specified value(s).
			var without = restArguments(function(array, otherArrays) {
			return difference(array, otherArrays);
			});

			// Produce a duplicate-free version of the array. If the array has already
			// been sorted, you have the option of using a faster algorithm.
			// The faster algorithm will not work with an iteratee if the iteratee
			// is not a one-to-one function, so providing an iteratee will disable
			// the faster algorithm.
			function uniq(array, isSorted, iteratee, context) {
			if (!isBoolean(isSorted)) {
			context = iteratee;
			iteratee = isSorted;
			isSorted = false;
			}
			if (iteratee != null) iteratee = cb(iteratee, context);
			var result = [];
			var seen = [];
			for (var i = 0, length = getLength(array); i < length; i++) {
			var value = array[i],
			computed = iteratee ? iteratee(value, i, array) : value;
			if (isSorted && !iteratee) {
			if (!i \|\| seen !== computed) result.push(value);
			seen = computed;
			} else if (iteratee) {
			if (!contains(seen, computed)) {
			seen.push(computed);
			result.push(value);
			}
			} else if (!contains(result, value)) {
			result.push(value);
			}
			}
			return result;
			}

			// Produce an array that contains the union: each distinct element from all of
			// the passed-in arrays.
			var union = restArguments(function(arrays) {
			return uniq(flatten$1(arrays, true, true));
			});

			// Produce an array that contains every item shared between all the
			// passed-in arrays.
			function intersection(array) {
			var result = [];
			var argsLength = arguments.length;
			for (var i = 0, length = getLength(array); i < length; i++) {
			var item = array[i];
			if (contains(result, item)) continue;
			var j;
			for (j = 1; j < argsLength; j++) {
			if (!contains(arguments[j], item)) break;
			}
			if (j === argsLength) result.push(item);
			}
			return result;
			}

			// Complement of zip. Unzip accepts an array of arrays and groups
			// each array's elements on shared indices.
			function unzip(array) {
			var length = array && max(array, getLength).length \|\| 0;
			var result = Array(length);

			for (var index = 0; index < length; index++) {
			result[index] = pluck(array, index);
			}
			return result;
			}

			// Zip together multiple lists into a single array -- elements that share
			// an index go together.
			var zip = restArguments(unzip);

			// Converts lists into objects. Pass either a single array of `[key, value]`
			// pairs, or two parallel arrays of the same length -- one of keys, and one of
			// the corresponding values. Passing by pairs is the reverse of `_.pairs`.
			function object(list, values) {
			var result = {};
			for (var i = 0, length = getLength(list); i < length; i++) {
			if (values) {
			result[list[i]] = values[i];
			} else {
			result[list[i][0]] = list[i][1];
			}
			}
			return result;
			}

			// Generate an integer Array containing an arithmetic progression. A port of
			// the native Python `range()` function. See
			// [the Python documentation](https://docs.python.org/library/functions.html#range).
			function range(start, stop, step) {
			if (stop == null) {
			stop = start \|\| 0;
			start = 0;
			}
			if (!step) {
			step = stop < start ? -1 : 1;
			}

			var length = Math.max(Math.ceil((stop - start) / step), 0);
			var range = Array(length);

			for (var idx = 0; idx < length; idx++, start += step) {
			range[idx] = start;
			}

			return range;
			}

			// Chunk a single array into multiple arrays, each containing `count` or fewer
			// items.
			function chunk(array, count) {
			if (count == null \|\| count < 1) return [];
			var result = [];
			var i = 0, length = array.length;
			while (i < length) {
			result.push(slice.call(array, i, i += count));
			}
			return result;
			}

			// Helper function to continue chaining intermediate results.
			function chainResult(instance, obj) {
			return instance._chain ? _$1(obj).chain() : obj;
			}

			// Add your own custom functions to the Underscore object.
			function mixin(obj) {
			each(functions(obj), function(name) {
			var func = _$1[name] = obj[name];
			_$1.prototype[name] = function() {
			var args = [this._wrapped];
			push.apply(args, arguments);
			return chainResult(this, func.apply(_$1, args));
			};
			});
			return _$1;
			}

			// Add all mutator `Array` functions to the wrapper.
			each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
			var method = ArrayProto[name];
			_$1.prototype[name] = function() {
			var obj = this._wrapped;
			if (obj != null) {
			method.apply(obj, arguments);
			if ((name === 'shift' \|\| name === 'splice') && obj.length === 0) {
			delete obj[0];
			}
			}
			return chainResult(this, obj);
			};
			});

			// Add all accessor `Array` functions to the wrapper.
			each(['concat', 'join', 'slice'], function(name) {
			var method = ArrayProto[name];
			_$1.prototype[name] = function() {
			var obj = this._wrapped;
			if (obj != null) obj = method.apply(obj, arguments);
			return chainResult(this, obj);
			};
			});

			// Named Exports

			var allExports = {
			__proto__: null,
			VERSION: VERSION,
			restArguments: restArguments,
			isObject: isObject,
			isNull: isNull,
			isUndefined: isUndefined,
			isBoolean: isBoolean,
			isElement: isElement,
			isString: isString,
			isNumber: isNumber,
			isDate: isDate,
			isRegExp: isRegExp,
			isError: isError,
			isSymbol: isSymbol,
			isArrayBuffer: isArrayBuffer,
			isDataView: isDataView$1,
			isArray: isArray,
			isFunction: isFunction$1,
			isArguments: isArguments$1,
			isFinite: isFinite$1,
			isNaN: isNaN$1,
			isTypedArray: isTypedArray$1,
			isEmpty: isEmpty,
			isMatch: isMatch,
			isEqual: isEqual,
			isMap: isMap,
			isWeakMap: isWeakMap,
			isSet: isSet,
			isWeakSet: isWeakSet,
			keys: keys,
			allKeys: allKeys,
			values: values,
			pairs: pairs,
			invert: invert,
			functions: functions,
			methods: functions,
			extend: extend,
			extendOwn: extendOwn,
			assign: extendOwn,
			defaults: defaults,
			create: create,
			clone: clone,
			tap: tap,
			get: get,
			has: has,
			mapObject: mapObject,
			identity: identity,
			constant: constant,
			noop: noop,
			toPath: toPath$1,
			property: property,
			propertyOf: propertyOf,
			matcher: matcher,
			matches: matcher,
			times: times,
			random: random,
			now: now,
			escape: _escape,
			unescape: _unescape,
			templateSettings: templateSettings,
			template: template,
			result: result,
			uniqueId: uniqueId,
			chain: chain,
			iteratee: iteratee,
			partial: partial,
			bind: bind,
			bindAll: bindAll,
			memoize: memoize,
			delay: delay,
			defer: defer,
			throttle: throttle,
			debounce: debounce,
			wrap: wrap,
			negate: negate,
			compose: compose,
			after: after,
			before: before,
			once: once,
			findKey: findKey,
			findIndex: findIndex,
			findLastIndex: findLastIndex,
			sortedIndex: sortedIndex,
			indexOf: indexOf,
			lastIndexOf: lastIndexOf,
			find: find,
			detect: find,
			findWhere: findWhere,
			each: each,
			forEach: each,
			map: map,
			collect: map,
			reduce: reduce,
			foldl: reduce,
			inject: reduce,
			reduceRight: reduceRight,
			foldr: reduceRight,
			filter: filter,
			select: filter,
			reject: reject,
			every: every,
			all: every,
			some: some,
			any: some,
			contains: contains,
			includes: contains,
			include: contains,
			invoke: invoke,
			pluck: pluck,
			where: where,
			max: max,
			min: min,
			shuffle: shuffle,
			sample: sample,
			sortBy: sortBy,
			groupBy: groupBy,
			indexBy: indexBy,
			countBy: countBy,
			partition: partition,
			toArray: toArray,
			size: size,
			pick: pick,
			omit: omit,
			first: first,
			head: first,
			take: first,
			initial: initial,
			last: last,
			rest: rest,
			tail: rest,
			drop: rest,
			compact: compact,
			flatten: flatten,
			without: without,
			uniq: uniq,
			unique: uniq,
			union: union,
			intersection: intersection,
			difference: difference,
			unzip: unzip,
			transpose: unzip,
			zip: zip,
			object: object,
			range: range,
			chunk: chunk,
			mixin: mixin,
			'default': _$1
			};

			// Default Export

			// Add all of the Underscore functions to the wrapper object.
			var _ = mixin(allExports);
			// Legacy Node.js API.
			_._ = _;

			return _;

			})));
			//# sourceMappingURL=underscore-umd.js.map

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