2042 lines
		
	
	
		
			74 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
			
		
		
	
	
			2042 lines
		
	
	
		
			74 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
| (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 1.13.2
 | ||
|     //     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 = '1.13.2';
 | ||
| 
 | ||
|     // 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] === true; },
 | ||
|             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;
 | ||
|     }
 | ||
| 
 | ||
|     // 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);
 | ||
|     }
 | ||
| 
 | ||
|     // 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 = toArray(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);
 | ||
| 
 | ||
|     // 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 _;
 | ||
| 
 | ||
| })));
 |