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/wp-includes/js/ -> underscore.js (source)

   1  (function (global, factory) {
   2    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
   3    typeof define === 'function' && define.amd ? define('underscore', factory) :
   4    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, (function () {
   5      var current = global._;
   6      var exports = global._ = factory();
   7      exports.noConflict = function () { global._ = current; return exports; };
   8    }()));
   9  }(this, (function () {
  10    //     Underscore.js 1.13.1
  11    //     https://underscorejs.org
  12    //     (c) 2009-2021 Jeremy Ashkenas, Julian Gonggrijp, and DocumentCloud and Investigative Reporters & Editors
  13    //     Underscore may be freely distributed under the MIT license.
  14  
  15    // Current version.
  16    var VERSION = '1.13.1';
  17  
  18    // Establish the root object, `window` (`self`) in the browser, `global`
  19    // on the server, or `this` in some virtual machines. We use `self`
  20    // instead of `window` for `WebWorker` support.
  21    var root = typeof self == 'object' && self.self === self && self ||
  22              typeof global == 'object' && global.global === global && global ||
  23              Function('return this')() ||
  24              {};
  25  
  26    // Save bytes in the minified (but not gzipped) version:
  27    var ArrayProto = Array.prototype, ObjProto = Object.prototype;
  28    var SymbolProto = typeof Symbol !== 'undefined' ? Symbol.prototype : null;
  29  
  30    // Create quick reference variables for speed access to core prototypes.
  31    var push = ArrayProto.push,
  32        slice = ArrayProto.slice,
  33        toString = ObjProto.toString,
  34        hasOwnProperty = ObjProto.hasOwnProperty;
  35  
  36    // Modern feature detection.
  37    var supportsArrayBuffer = typeof ArrayBuffer !== 'undefined',
  38        supportsDataView = typeof DataView !== 'undefined';
  39  
  40    // All **ECMAScript 5+** native function implementations that we hope to use
  41    // are declared here.
  42    var nativeIsArray = Array.isArray,
  43        nativeKeys = Object.keys,
  44        nativeCreate = Object.create,
  45        nativeIsView = supportsArrayBuffer && ArrayBuffer.isView;
  46  
  47    // Create references to these builtin functions because we override them.
  48    var _isNaN = isNaN,
  49        _isFinite = isFinite;
  50  
  51    // Keys in IE < 9 that won't be iterated by `for key in ...` and thus missed.
  52    var hasEnumBug = !{toString: null}.propertyIsEnumerable('toString');
  53    var nonEnumerableProps = ['valueOf', 'isPrototypeOf', 'toString',
  54      'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString'];
  55  
  56    // The largest integer that can be represented exactly.
  57    var MAX_ARRAY_INDEX = Math.pow(2, 53) - 1;
  58  
  59    // Some functions take a variable number of arguments, or a few expected
  60    // arguments at the beginning and then a variable number of values to operate
  61    // on. This helper accumulates all remaining arguments past the function’s
  62    // argument length (or an explicit `startIndex`), into an array that becomes
  63    // the last argument. Similar to ES6’s "rest parameter".
  64    function restArguments(func, startIndex) {
  65      startIndex = startIndex == null ? func.length - 1 : +startIndex;
  66      return function() {
  67        var length = Math.max(arguments.length - startIndex, 0),
  68            rest = Array(length),
  69            index = 0;
  70        for (; index < length; index++) {
  71          rest[index] = arguments[index + startIndex];
  72        }
  73        switch (startIndex) {
  74          case 0: return func.call(this, rest);
  75          case 1: return func.call(this, arguments[0], rest);
  76          case 2: return func.call(this, arguments[0], arguments[1], rest);
  77        }
  78        var args = Array(startIndex + 1);
  79        for (index = 0; index < startIndex; index++) {
  80          args[index] = arguments[index];
  81        }
  82        args[startIndex] = rest;
  83        return func.apply(this, args);
  84      };
  85    }
  86  
  87    // Is a given variable an object?
  88    function isObject(obj) {
  89      var type = typeof obj;
  90      return type === 'function' || type === 'object' && !!obj;
  91    }
  92  
  93    // Is a given value equal to null?
  94    function isNull(obj) {
  95      return obj === null;
  96    }
  97  
  98    // Is a given variable undefined?
  99    function isUndefined(obj) {
 100      return obj === void 0;
 101    }
 102  
 103    // Is a given value a boolean?
 104    function isBoolean(obj) {
 105      return obj === true || obj === false || toString.call(obj) === '[object Boolean]';
 106    }
 107  
 108    // Is a given value a DOM element?
 109    function isElement(obj) {
 110      return !!(obj && obj.nodeType === 1);
 111    }
 112  
 113    // Internal function for creating a `toString`-based type tester.
 114    function tagTester(name) {
 115      var tag = '[object ' + name + ']';
 116      return function(obj) {
 117        return toString.call(obj) === tag;
 118      };
 119    }
 120  
 121    var isString = tagTester('String');
 122  
 123    var isNumber = tagTester('Number');
 124  
 125    var isDate = tagTester('Date');
 126  
 127    var isRegExp = tagTester('RegExp');
 128  
 129    var isError = tagTester('Error');
 130  
 131    var isSymbol = tagTester('Symbol');
 132  
 133    var isArrayBuffer = tagTester('ArrayBuffer');
 134  
 135    var isFunction = tagTester('Function');
 136  
 137    // Optimize `isFunction` if appropriate. Work around some `typeof` bugs in old
 138    // v8, IE 11 (#1621), Safari 8 (#1929), and PhantomJS (#2236).
 139    var nodelist = root.document && root.document.childNodes;
 140    if (typeof /./ != 'function' && typeof Int8Array != 'object' && typeof nodelist != 'function') {
 141      isFunction = function(obj) {
 142        return typeof obj == 'function' || false;
 143      };
 144    }
 145  
 146    var isFunction$1 = isFunction;
 147  
 148    var hasObjectTag = tagTester('Object');
 149  
 150    // In IE 10 - Edge 13, `DataView` has string tag `'[object Object]'`.
 151    // In IE 11, the most common among them, this problem also applies to
 152    // `Map`, `WeakMap` and `Set`.
 153    var hasStringTagBug = (
 154          supportsDataView && hasObjectTag(new DataView(new ArrayBuffer(8)))
 155        ),
 156        isIE11 = (typeof Map !== 'undefined' && hasObjectTag(new Map));
 157  
 158    var isDataView = tagTester('DataView');
 159  
 160    // In IE 10 - Edge 13, we need a different heuristic
 161    // to determine whether an object is a `DataView`.
 162    function ie10IsDataView(obj) {
 163      return obj != null && isFunction$1(obj.getInt8) && isArrayBuffer(obj.buffer);
 164    }
 165  
 166    var isDataView$1 = (hasStringTagBug ? ie10IsDataView : isDataView);
 167  
 168    // Is a given value an array?
 169    // Delegates to ECMA5's native `Array.isArray`.
 170    var isArray = nativeIsArray || tagTester('Array');
 171  
 172    // Internal function to check whether `key` is an own property name of `obj`.
 173    function has$1(obj, key) {
 174      return obj != null && hasOwnProperty.call(obj, key);
 175    }
 176  
 177    var isArguments = tagTester('Arguments');
 178  
 179    // Define a fallback version of the method in browsers (ahem, IE < 9), where
 180    // there isn't any inspectable "Arguments" type.
 181    (function() {
 182      if (!isArguments(arguments)) {
 183        isArguments = function(obj) {
 184          return has$1(obj, 'callee');
 185        };
 186      }
 187    }());
 188  
 189    var isArguments$1 = isArguments;
 190  
 191    // Is a given object a finite number?
 192    function isFinite$1(obj) {
 193      return !isSymbol(obj) && _isFinite(obj) && !isNaN(parseFloat(obj));
 194    }
 195  
 196    // Is the given value `NaN`?
 197    function isNaN$1(obj) {
 198      return isNumber(obj) && _isNaN(obj);
 199    }
 200  
 201    // Predicate-generating function. Often useful outside of Underscore.
 202    function constant(value) {
 203      return function() {
 204        return value;
 205      };
 206    }
 207  
 208    // Common internal logic for `isArrayLike` and `isBufferLike`.
 209    function createSizePropertyCheck(getSizeProperty) {
 210      return function(collection) {
 211        var sizeProperty = getSizeProperty(collection);
 212        return typeof sizeProperty == 'number' && sizeProperty >= 0 && sizeProperty <= MAX_ARRAY_INDEX;
 213      }
 214    }
 215  
 216    // Internal helper to generate a function to obtain property `key` from `obj`.
 217    function shallowProperty(key) {
 218      return function(obj) {
 219        return obj == null ? void 0 : obj[key];
 220      };
 221    }
 222  
 223    // Internal helper to obtain the `byteLength` property of an object.
 224    var getByteLength = shallowProperty('byteLength');
 225  
 226    // Internal helper to determine whether we should spend extensive checks against
 227    // `ArrayBuffer` et al.
 228    var isBufferLike = createSizePropertyCheck(getByteLength);
 229  
 230    // Is a given value a typed array?
 231    var typedArrayPattern = /\[object ((I|Ui)nt(8|16|32)|Float(32|64)|Uint8Clamped|Big(I|Ui)nt64)Array\]/;
 232    function isTypedArray(obj) {
 233      // `ArrayBuffer.isView` is the most future-proof, so use it when available.
 234      // Otherwise, fall back on the above regular expression.
 235      return nativeIsView ? (nativeIsView(obj) && !isDataView$1(obj)) :
 236                    isBufferLike(obj) && typedArrayPattern.test(toString.call(obj));
 237    }
 238  
 239    var isTypedArray$1 = supportsArrayBuffer ? isTypedArray : constant(false);
 240  
 241    // Internal helper to obtain the `length` property of an object.
 242    var getLength = shallowProperty('length');
 243  
 244    // Internal helper to create a simple lookup structure.
 245    // `collectNonEnumProps` used to depend on `_.contains`, but this led to
 246    // circular imports. `emulatedSet` is a one-off solution that only works for
 247    // arrays of strings.
 248    function emulatedSet(keys) {
 249      var hash = {};
 250      for (var l = keys.length, i = 0; i < l; ++i) hash[keys[i]] = true;
 251      return {
 252        contains: function(key) { return hash[key]; },
 253        push: function(key) {
 254          hash[key] = true;
 255          return keys.push(key);
 256        }
 257      };
 258    }
 259  
 260    // Internal helper. Checks `keys` for the presence of keys in IE < 9 that won't
 261    // be iterated by `for key in ...` and thus missed. Extends `keys` in place if
 262    // needed.
 263    function collectNonEnumProps(obj, keys) {
 264      keys = emulatedSet(keys);
 265      var nonEnumIdx = nonEnumerableProps.length;
 266      var constructor = obj.constructor;
 267      var proto = isFunction$1(constructor) && constructor.prototype || ObjProto;
 268  
 269      // Constructor is a special case.
 270      var prop = 'constructor';
 271      if (has$1(obj, prop) && !keys.contains(prop)) keys.push(prop);
 272  
 273      while (nonEnumIdx--) {
 274        prop = nonEnumerableProps[nonEnumIdx];
 275        if (prop in obj && obj[prop] !== proto[prop] && !keys.contains(prop)) {
 276          keys.push(prop);
 277        }
 278      }
 279    }
 280  
 281    // Retrieve the names of an object's own properties.
 282    // Delegates to **ECMAScript 5**'s native `Object.keys`.
 283    function keys(obj) {
 284      if (!isObject(obj)) return [];
 285      if (nativeKeys) return nativeKeys(obj);
 286      var keys = [];
 287      for (var key in obj) if (has$1(obj, key)) keys.push(key);
 288      // Ahem, IE < 9.
 289      if (hasEnumBug) collectNonEnumProps(obj, keys);
 290      return keys;
 291    }
 292  
 293    // Is a given array, string, or object empty?
 294    // An "empty" object has no enumerable own-properties.
 295    function isEmpty(obj) {
 296      if (obj == null) return true;
 297      // Skip the more expensive `toString`-based type checks if `obj` has no
 298      // `.length`.
 299      var length = getLength(obj);
 300      if (typeof length == 'number' && (
 301        isArray(obj) || isString(obj) || isArguments$1(obj)
 302      )) return length === 0;
 303      return getLength(keys(obj)) === 0;
 304    }
 305  
 306    // Returns whether an object has a given set of `key:value` pairs.
 307    function isMatch(object, attrs) {
 308      var _keys = keys(attrs), length = _keys.length;
 309      if (object == null) return !length;
 310      var obj = Object(object);
 311      for (var i = 0; i < length; i++) {
 312        var key = _keys[i];
 313        if (attrs[key] !== obj[key] || !(key in obj)) return false;
 314      }
 315      return true;
 316    }
 317  
 318    // If Underscore is called as a function, it returns a wrapped object that can
 319    // be used OO-style. This wrapper holds altered versions of all functions added
 320    // through `_.mixin`. Wrapped objects may be chained.
 321    function _$1(obj) {
 322      if (obj instanceof _$1) return obj;
 323      if (!(this instanceof _$1)) return new _$1(obj);
 324      this._wrapped = obj;
 325    }
 326  
 327    _$1.VERSION = VERSION;
 328  
 329    // Extracts the result from a wrapped and chained object.
 330    _$1.prototype.value = function() {
 331      return this._wrapped;
 332    };
 333  
 334    // Provide unwrapping proxies for some methods used in engine operations
 335    // such as arithmetic and JSON stringification.
 336    _$1.prototype.valueOf = _$1.prototype.toJSON = _$1.prototype.value;
 337  
 338    _$1.prototype.toString = function() {
 339      return String(this._wrapped);
 340    };
 341  
 342    // Internal function to wrap or shallow-copy an ArrayBuffer,
 343    // typed array or DataView to a new view, reusing the buffer.
 344    function toBufferView(bufferSource) {
 345      return new Uint8Array(
 346        bufferSource.buffer || bufferSource,
 347        bufferSource.byteOffset || 0,
 348        getByteLength(bufferSource)
 349      );
 350    }
 351  
 352    // We use this string twice, so give it a name for minification.
 353    var tagDataView = '[object DataView]';
 354  
 355    // Internal recursive comparison function for `_.isEqual`.
 356    function eq(a, b, aStack, bStack) {
 357      // Identical objects are equal. `0 === -0`, but they aren't identical.
 358      // See the [Harmony `egal` proposal](https://wiki.ecmascript.org/doku.php?id=harmony:egal).
 359      if (a === b) return a !== 0 || 1 / a === 1 / b;
 360      // `null` or `undefined` only equal to itself (strict comparison).
 361      if (a == null || b == null) return false;
 362      // `NaN`s are equivalent, but non-reflexive.
 363      if (a !== a) return b !== b;
 364      // Exhaust primitive checks
 365      var type = typeof a;
 366      if (type !== 'function' && type !== 'object' && typeof b != 'object') return false;
 367      return deepEq(a, b, aStack, bStack);
 368    }
 369  
 370    // Internal recursive comparison function for `_.isEqual`.
 371    function deepEq(a, b, aStack, bStack) {
 372      // Unwrap any wrapped objects.
 373      if (a instanceof _$1) a = a._wrapped;
 374      if (b instanceof _$1) b = b._wrapped;
 375      // Compare `[[Class]]` names.
 376      var className = toString.call(a);
 377      if (className !== toString.call(b)) return false;
 378      // Work around a bug in IE 10 - Edge 13.
 379      if (hasStringTagBug && className == '[object Object]' && isDataView$1(a)) {
 380        if (!isDataView$1(b)) return false;
 381        className = tagDataView;
 382      }
 383      switch (className) {
 384        // These types are compared by value.
 385        case '[object RegExp]':
 386          // RegExps are coerced to strings for comparison (Note: '' + /a/i === '/a/i')
 387        case '[object String]':
 388          // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
 389          // equivalent to `new String("5")`.
 390          return '' + a === '' + b;
 391        case '[object Number]':
 392          // `NaN`s are equivalent, but non-reflexive.
 393          // Object(NaN) is equivalent to NaN.
 394          if (+a !== +a) return +b !== +b;
 395          // An `egal` comparison is performed for other numeric values.
 396          return +a === 0 ? 1 / +a === 1 / b : +a === +b;
 397        case '[object Date]':
 398        case '[object Boolean]':
 399          // Coerce dates and booleans to numeric primitive values. Dates are compared by their
 400          // millisecond representations. Note that invalid dates with millisecond representations
 401          // of `NaN` are not equivalent.
 402          return +a === +b;
 403        case '[object Symbol]':
 404          return SymbolProto.valueOf.call(a) === SymbolProto.valueOf.call(b);
 405        case '[object ArrayBuffer]':
 406        case tagDataView:
 407          // Coerce to typed array so we can fall through.
 408          return deepEq(toBufferView(a), toBufferView(b), aStack, bStack);
 409      }
 410  
 411      var areArrays = className === '[object Array]';
 412      if (!areArrays && isTypedArray$1(a)) {
 413          var byteLength = getByteLength(a);
 414          if (byteLength !== getByteLength(b)) return false;
 415          if (a.buffer === b.buffer && a.byteOffset === b.byteOffset) return true;
 416          areArrays = true;
 417      }
 418      if (!areArrays) {
 419        if (typeof a != 'object' || typeof b != 'object') return false;
 420  
 421        // Objects with different constructors are not equivalent, but `Object`s or `Array`s
 422        // from different frames are.
 423        var aCtor = a.constructor, bCtor = b.constructor;
 424        if (aCtor !== bCtor && !(isFunction$1(aCtor) && aCtor instanceof aCtor &&
 425                                 isFunction$1(bCtor) && bCtor instanceof bCtor)
 426                            && ('constructor' in a && 'constructor' in b)) {
 427          return false;
 428        }
 429      }
 430      // Assume equality for cyclic structures. The algorithm for detecting cyclic
 431      // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
 432  
 433      // Initializing stack of traversed objects.
 434      // It's done here since we only need them for objects and arrays comparison.
 435      aStack = aStack || [];
 436      bStack = bStack || [];
 437      var length = aStack.length;
 438      while (length--) {
 439        // Linear search. Performance is inversely proportional to the number of
 440        // unique nested structures.
 441        if (aStack[length] === a) return bStack[length] === b;
 442      }
 443  
 444      // Add the first object to the stack of traversed objects.
 445      aStack.push(a);
 446      bStack.push(b);
 447  
 448      // Recursively compare objects and arrays.
 449      if (areArrays) {
 450        // Compare array lengths to determine if a deep comparison is necessary.
 451        length = a.length;
 452        if (length !== b.length) return false;
 453        // Deep compare the contents, ignoring non-numeric properties.
 454        while (length--) {
 455          if (!eq(a[length], b[length], aStack, bStack)) return false;
 456        }
 457      } else {
 458        // Deep compare objects.
 459        var _keys = keys(a), key;
 460        length = _keys.length;
 461        // Ensure that both objects contain the same number of properties before comparing deep equality.
 462        if (keys(b).length !== length) return false;
 463        while (length--) {
 464          // Deep compare each member
 465          key = _keys[length];
 466          if (!(has$1(b, key) && eq(a[key], b[key], aStack, bStack))) return false;
 467        }
 468      }
 469      // Remove the first object from the stack of traversed objects.
 470      aStack.pop();
 471      bStack.pop();
 472      return true;
 473    }
 474  
 475    // Perform a deep comparison to check if two objects are equal.
 476    function isEqual(a, b) {
 477      return eq(a, b);
 478    }
 479  
 480    // Retrieve all the enumerable property names of an object.
 481    function allKeys(obj) {
 482      if (!isObject(obj)) return [];
 483      var keys = [];
 484      for (var key in obj) keys.push(key);
 485      // Ahem, IE < 9.
 486      if (hasEnumBug) collectNonEnumProps(obj, keys);
 487      return keys;
 488    }
 489  
 490    // Since the regular `Object.prototype.toString` type tests don't work for
 491    // some types in IE 11, we use a fingerprinting heuristic instead, based
 492    // on the methods. It's not great, but it's the best we got.
 493    // The fingerprint method lists are defined below.
 494    function ie11fingerprint(methods) {
 495      var length = getLength(methods);
 496      return function(obj) {
 497        if (obj == null) return false;
 498        // `Map`, `WeakMap` and `Set` have no enumerable keys.
 499        var keys = allKeys(obj);
 500        if (getLength(keys)) return false;
 501        for (var i = 0; i < length; i++) {
 502          if (!isFunction$1(obj[methods[i]])) return false;
 503        }
 504        // If we are testing against `WeakMap`, we need to ensure that
 505        // `obj` doesn't have a `forEach` method in order to distinguish
 506        // it from a regular `Map`.
 507        return methods !== weakMapMethods || !isFunction$1(obj[forEachName]);
 508      };
 509    }
 510  
 511    // In the interest of compact minification, we write
 512    // each string in the fingerprints only once.
 513    var forEachName = 'forEach',
 514        hasName = 'has',
 515        commonInit = ['clear', 'delete'],
 516        mapTail = ['get', hasName, 'set'];
 517  
 518    // `Map`, `WeakMap` and `Set` each have slightly different
 519    // combinations of the above sublists.
 520    var mapMethods = commonInit.concat(forEachName, mapTail),
 521        weakMapMethods = commonInit.concat(mapTail),
 522        setMethods = ['add'].concat(commonInit, forEachName, hasName);
 523  
 524    var isMap = isIE11 ? ie11fingerprint(mapMethods) : tagTester('Map');
 525  
 526    var isWeakMap = isIE11 ? ie11fingerprint(weakMapMethods) : tagTester('WeakMap');
 527  
 528    var isSet = isIE11 ? ie11fingerprint(setMethods) : tagTester('Set');
 529  
 530    var isWeakSet = tagTester('WeakSet');
 531  
 532    // Retrieve the values of an object's properties.
 533    function values(obj) {
 534      var _keys = keys(obj);
 535      var length = _keys.length;
 536      var values = Array(length);
 537      for (var i = 0; i < length; i++) {
 538        values[i] = obj[_keys[i]];
 539      }
 540      return values;
 541    }
 542  
 543    // Convert an object into a list of `[key, value]` pairs.
 544    // The opposite of `_.object` with one argument.
 545    function pairs(obj) {
 546      var _keys = keys(obj);
 547      var length = _keys.length;
 548      var pairs = Array(length);
 549      for (var i = 0; i < length; i++) {
 550        pairs[i] = [_keys[i], obj[_keys[i]]];
 551      }
 552      return pairs;
 553    }
 554  
 555    // Invert the keys and values of an object. The values must be serializable.
 556    function invert(obj) {
 557      var result = {};
 558      var _keys = keys(obj);
 559      for (var i = 0, length = _keys.length; i < length; i++) {
 560        result[obj[_keys[i]]] = _keys[i];
 561      }
 562      return result;
 563    }
 564  
 565    // Return a sorted list of the function names available on the object.
 566    function functions(obj) {
 567      var names = [];
 568      for (var key in obj) {
 569        if (isFunction$1(obj[key])) names.push(key);
 570      }
 571      return names.sort();
 572    }
 573  
 574    // An internal function for creating assigner functions.
 575    function createAssigner(keysFunc, defaults) {
 576      return function(obj) {
 577        var length = arguments.length;
 578        if (defaults) obj = Object(obj);
 579        if (length < 2 || obj == null) return obj;
 580        for (var index = 1; index < length; index++) {
 581          var source = arguments[index],
 582              keys = keysFunc(source),
 583              l = keys.length;
 584          for (var i = 0; i < l; i++) {
 585            var key = keys[i];
 586            if (!defaults || obj[key] === void 0) obj[key] = source[key];
 587          }
 588        }
 589        return obj;
 590      };
 591    }
 592  
 593    // Extend a given object with all the properties in passed-in object(s).
 594    var extend = createAssigner(allKeys);
 595  
 596    // Assigns a given object with all the own properties in the passed-in
 597    // object(s).
 598    // (https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign)
 599    var extendOwn = createAssigner(keys);
 600  
 601    // Fill in a given object with default properties.
 602    var defaults = createAssigner(allKeys, true);
 603  
 604    // Create a naked function reference for surrogate-prototype-swapping.
 605    function ctor() {
 606      return function(){};
 607    }
 608  
 609    // An internal function for creating a new object that inherits from another.
 610    function baseCreate(prototype) {
 611      if (!isObject(prototype)) return {};
 612      if (nativeCreate) return nativeCreate(prototype);
 613      var Ctor = ctor();
 614      Ctor.prototype = prototype;
 615      var result = new Ctor;
 616      Ctor.prototype = null;
 617      return result;
 618    }
 619  
 620    // Creates an object that inherits from the given prototype object.
 621    // If additional properties are provided then they will be added to the
 622    // created object.
 623    function create(prototype, props) {
 624      var result = baseCreate(prototype);
 625      if (props) extendOwn(result, props);
 626      return result;
 627    }
 628  
 629    // Create a (shallow-cloned) duplicate of an object.
 630    function clone(obj) {
 631      if (!isObject(obj)) return obj;
 632      return isArray(obj) ? obj.slice() : extend({}, obj);
 633    }
 634  
 635    // Invokes `interceptor` with the `obj` and then returns `obj`.
 636    // The primary purpose of this method is to "tap into" a method chain, in
 637    // order to perform operations on intermediate results within the chain.
 638    function tap(obj, interceptor) {
 639      interceptor(obj);
 640      return obj;
 641    }
 642  
 643    // Normalize a (deep) property `path` to array.
 644    // Like `_.iteratee`, this function can be customized.
 645    function toPath$1(path) {
 646      return isArray(path) ? path : [path];
 647    }
 648    _$1.toPath = toPath$1;
 649  
 650    // Internal wrapper for `_.toPath` to enable minification.
 651    // Similar to `cb` for `_.iteratee`.
 652    function toPath(path) {
 653      return _$1.toPath(path);
 654    }
 655  
 656    // Internal function to obtain a nested property in `obj` along `path`.
 657    function deepGet(obj, path) {
 658      var length = path.length;
 659      for (var i = 0; i < length; i++) {
 660        if (obj == null) return void 0;
 661        obj = obj[path[i]];
 662      }
 663      return length ? obj : void 0;
 664    }
 665  
 666    // Get the value of the (deep) property on `path` from `object`.
 667    // If any property in `path` does not exist or if the value is
 668    // `undefined`, return `defaultValue` instead.
 669    // The `path` is normalized through `_.toPath`.
 670    function get(object, path, defaultValue) {
 671      var value = deepGet(object, toPath(path));
 672      return isUndefined(value) ? defaultValue : value;
 673    }
 674  
 675    // Shortcut function for checking if an object has a given property directly on
 676    // itself (in other words, not on a prototype). Unlike the internal `has`
 677    // function, this public version can also traverse nested properties.
 678    function has(obj, path) {
 679      path = toPath(path);
 680      var length = path.length;
 681      for (var i = 0; i < length; i++) {
 682        var key = path[i];
 683        if (!has$1(obj, key)) return false;
 684        obj = obj[key];
 685      }
 686      return !!length;
 687    }
 688  
 689    // Keep the identity function around for default iteratees.
 690    function identity(value) {
 691      return value;
 692    }
 693  
 694    // Returns a predicate for checking whether an object has a given set of
 695    // `key:value` pairs.
 696    function matcher(attrs) {
 697      attrs = extendOwn({}, attrs);
 698      return function(obj) {
 699        return isMatch(obj, attrs);
 700      };
 701    }
 702  
 703    // Creates a function that, when passed an object, will traverse that object’s
 704    // properties down the given `path`, specified as an array of keys or indices.
 705    function property(path) {
 706      path = toPath(path);
 707      return function(obj) {
 708        return deepGet(obj, path);
 709      };
 710    }
 711  
 712    // Internal function that returns an efficient (for current engines) version
 713    // of the passed-in callback, to be repeatedly applied in other Underscore
 714    // functions.
 715    function optimizeCb(func, context, argCount) {
 716      if (context === void 0) return func;
 717      switch (argCount == null ? 3 : argCount) {
 718        case 1: return function(value) {
 719          return func.call(context, value);
 720        };
 721        // The 2-argument case is omitted because we’re not using it.
 722        case 3: return function(value, index, collection) {
 723          return func.call(context, value, index, collection);
 724        };
 725        case 4: return function(accumulator, value, index, collection) {
 726          return func.call(context, accumulator, value, index, collection);
 727        };
 728      }
 729      return function() {
 730        return func.apply(context, arguments);
 731      };
 732    }
 733  
 734    // An internal function to generate callbacks that can be applied to each
 735    // element in a collection, returning the desired result — either `_.identity`,
 736    // an arbitrary callback, a property matcher, or a property accessor.
 737    function baseIteratee(value, context, argCount) {
 738      if (value == null) return identity;
 739      if (isFunction$1(value)) return optimizeCb(value, context, argCount);
 740      if (isObject(value) && !isArray(value)) return matcher(value);
 741      return property(value);
 742    }
 743  
 744    // External wrapper for our callback generator. Users may customize
 745    // `_.iteratee` if they want additional predicate/iteratee shorthand styles.
 746    // This abstraction hides the internal-only `argCount` argument.
 747    function iteratee(value, context) {
 748      return baseIteratee(value, context, Infinity);
 749    }
 750    _$1.iteratee = iteratee;
 751  
 752    // The function we call internally to generate a callback. It invokes
 753    // `_.iteratee` if overridden, otherwise `baseIteratee`.
 754    function cb(value, context, argCount) {
 755      if (_$1.iteratee !== iteratee) return _$1.iteratee(value, context);
 756      return baseIteratee(value, context, argCount);
 757    }
 758  
 759    // Returns the results of applying the `iteratee` to each element of `obj`.
 760    // In contrast to `_.map` it returns an object.
 761    function mapObject(obj, iteratee, context) {
 762      iteratee = cb(iteratee, context);
 763      var _keys = keys(obj),
 764          length = _keys.length,
 765          results = {};
 766      for (var index = 0; index < length; index++) {
 767        var currentKey = _keys[index];
 768        results[currentKey] = iteratee(obj[currentKey], currentKey, obj);
 769      }
 770      return results;
 771    }
 772  
 773    // Predicate-generating function. Often useful outside of Underscore.
 774    function noop(){}
 775  
 776    // Generates a function for a given object that returns a given property.
 777    function propertyOf(obj) {
 778      if (obj == null) return noop;
 779      return function(path) {
 780        return get(obj, path);
 781      };
 782    }
 783  
 784    // Run a function **n** times.
 785    function times(n, iteratee, context) {
 786      var accum = Array(Math.max(0, n));
 787      iteratee = optimizeCb(iteratee, context, 1);
 788      for (var i = 0; i < n; i++) accum[i] = iteratee(i);
 789      return accum;
 790    }
 791  
 792    // Return a random integer between `min` and `max` (inclusive).
 793    function random(min, max) {
 794      if (max == null) {
 795        max = min;
 796        min = 0;
 797      }
 798      return min + Math.floor(Math.random() * (max - min + 1));
 799    }
 800  
 801    // A (possibly faster) way to get the current timestamp as an integer.
 802    var now = Date.now || function() {
 803      return new Date().getTime();
 804    };
 805  
 806    // Internal helper to generate functions for escaping and unescaping strings
 807    // to/from HTML interpolation.
 808    function createEscaper(map) {
 809      var escaper = function(match) {
 810        return map[match];
 811      };
 812      // Regexes for identifying a key that needs to be escaped.
 813      var source = '(?:' + keys(map).join('|') + ')';
 814      var testRegexp = RegExp(source);
 815      var replaceRegexp = RegExp(source, 'g');
 816      return function(string) {
 817        string = string == null ? '' : '' + string;
 818        return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string;
 819      };
 820    }
 821  
 822    // Internal list of HTML entities for escaping.
 823    var escapeMap = {
 824      '&': '&amp;',
 825      '<': '&lt;',
 826      '>': '&gt;',
 827      '"': '&quot;',
 828      "'": '&#x27;',
 829      '`': '&#x60;'
 830    };
 831  
 832    // Function for escaping strings to HTML interpolation.
 833    var _escape = createEscaper(escapeMap);
 834  
 835    // Internal list of HTML entities for unescaping.
 836    var unescapeMap = invert(escapeMap);
 837  
 838    // Function for unescaping strings from HTML interpolation.
 839    var _unescape = createEscaper(unescapeMap);
 840  
 841    // By default, Underscore uses ERB-style template delimiters. Change the
 842    // following template settings to use alternative delimiters.
 843    var templateSettings = _$1.templateSettings = {
 844      evaluate: /<%([\s\S]+?)%>/g,
 845      interpolate: /<%=([\s\S]+?)%>/g,
 846      escape: /<%-([\s\S]+?)%>/g
 847    };
 848  
 849    // When customizing `_.templateSettings`, if you don't want to define an
 850    // interpolation, evaluation or escaping regex, we need one that is
 851    // guaranteed not to match.
 852    var noMatch = /(.)^/;
 853  
 854    // Certain characters need to be escaped so that they can be put into a
 855    // string literal.
 856    var escapes = {
 857      "'": "'",
 858      '\\': '\\',
 859      '\r': 'r',
 860      '\n': 'n',
 861      '\u2028': 'u2028',
 862      '\u2029': 'u2029'
 863    };
 864  
 865    var escapeRegExp = /\\|'|\r|\n|\u2028|\u2029/g;
 866  
 867    function escapeChar(match) {
 868      return '\\' + escapes[match];
 869    }
 870  
 871    // In order to prevent third-party code injection through
 872    // `_.templateSettings.variable`, we test it against the following regular
 873    // expression. It is intentionally a bit more liberal than just matching valid
 874    // identifiers, but still prevents possible loopholes through defaults or
 875    // destructuring assignment.
 876    var bareIdentifier = /^\s*(\w|\$)+\s*$/;
 877  
 878    // JavaScript micro-templating, similar to John Resig's implementation.
 879    // Underscore templating handles arbitrary delimiters, preserves whitespace,
 880    // and correctly escapes quotes within interpolated code.
 881    // NB: `oldSettings` only exists for backwards compatibility.
 882    function template(text, settings, oldSettings) {
 883      if (!settings && oldSettings) settings = oldSettings;
 884      settings = defaults({}, settings, _$1.templateSettings);
 885  
 886      // Combine delimiters into one regular expression via alternation.
 887      var matcher = RegExp([
 888        (settings.escape || noMatch).source,
 889        (settings.interpolate || noMatch).source,
 890        (settings.evaluate || noMatch).source
 891      ].join('|') + '|$', 'g');
 892  
 893      // Compile the template source, escaping string literals appropriately.
 894      var index = 0;
 895      var source = "__p+='";
 896      text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
 897        source += text.slice(index, offset).replace(escapeRegExp, escapeChar);
 898        index = offset + match.length;
 899  
 900        if (escape) {
 901          source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
 902        } else if (interpolate) {
 903          source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
 904        } else if (evaluate) {
 905          source += "';\n" + evaluate + "\n__p+='";
 906        }
 907  
 908        // Adobe VMs need the match returned to produce the correct offset.
 909        return match;
 910      });
 911      source += "';\n";
 912  
 913      var argument = settings.variable;
 914      if (argument) {
 915        // Insure against third-party code injection. (CVE-2021-23358)
 916        if (!bareIdentifier.test(argument)) throw new Error(
 917          'variable is not a bare identifier: ' + argument
 918        );
 919      } else {
 920        // If a variable is not specified, place data values in local scope.
 921        source = 'with(obj||{}){\n' + source + '}\n';
 922        argument = 'obj';
 923      }
 924  
 925      source = "var __t,__p='',__j=Array.prototype.join," +
 926        "print=function(){__p+=__j.call(arguments,'');};\n" +
 927        source + 'return __p;\n';
 928  
 929      var render;
 930      try {
 931        render = new Function(argument, '_', source);
 932      } catch (e) {
 933        e.source = source;
 934        throw e;
 935      }
 936  
 937      var template = function(data) {
 938        return render.call(this, data, _$1);
 939      };
 940  
 941      // Provide the compiled source as a convenience for precompilation.
 942      template.source = 'function(' + argument + '){\n' + source + '}';
 943  
 944      return template;
 945    }
 946  
 947    // Traverses the children of `obj` along `path`. If a child is a function, it
 948    // is invoked with its parent as context. Returns the value of the final
 949    // child, or `fallback` if any child is undefined.
 950    function result(obj, path, fallback) {
 951      path = toPath(path);
 952      var length = path.length;
 953      if (!length) {
 954        return isFunction$1(fallback) ? fallback.call(obj) : fallback;
 955      }
 956      for (var i = 0; i < length; i++) {
 957        var prop = obj == null ? void 0 : obj[path[i]];
 958        if (prop === void 0) {
 959          prop = fallback;
 960          i = length; // Ensure we don't continue iterating.
 961        }
 962        obj = isFunction$1(prop) ? prop.call(obj) : prop;
 963      }
 964      return obj;
 965    }
 966  
 967    // Generate a unique integer id (unique within the entire client session).
 968    // Useful for temporary DOM ids.
 969    var idCounter = 0;
 970    function uniqueId(prefix) {
 971      var id = ++idCounter + '';
 972      return prefix ? prefix + id : id;
 973    }
 974  
 975    // Start chaining a wrapped Underscore object.
 976    function chain(obj) {
 977      var instance = _$1(obj);
 978      instance._chain = true;
 979      return instance;
 980    }
 981  
 982    // Internal function to execute `sourceFunc` bound to `context` with optional
 983    // `args`. Determines whether to execute a function as a constructor or as a
 984    // normal function.
 985    function executeBound(sourceFunc, boundFunc, context, callingContext, args) {
 986      if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args);
 987      var self = baseCreate(sourceFunc.prototype);
 988      var result = sourceFunc.apply(self, args);
 989      if (isObject(result)) return result;
 990      return self;
 991    }
 992  
 993    // Partially apply a function by creating a version that has had some of its
 994    // arguments pre-filled, without changing its dynamic `this` context. `_` acts
 995    // as a placeholder by default, allowing any combination of arguments to be
 996    // pre-filled. Set `_.partial.placeholder` for a custom placeholder argument.
 997    var partial = restArguments(function(func, boundArgs) {
 998      var placeholder = partial.placeholder;
 999      var bound = function() {
1000        var position = 0, length = boundArgs.length;
1001        var args = Array(length);
1002        for (var i = 0; i < length; i++) {
1003          args[i] = boundArgs[i] === placeholder ? arguments[position++] : boundArgs[i];
1004        }
1005        while (position < arguments.length) args.push(arguments[position++]);
1006        return executeBound(func, bound, this, this, args);
1007      };
1008      return bound;
1009    });
1010  
1011    partial.placeholder = _$1;
1012  
1013    // Create a function bound to a given object (assigning `this`, and arguments,
1014    // optionally).
1015    var bind = restArguments(function(func, context, args) {
1016      if (!isFunction$1(func)) throw new TypeError('Bind must be called on a function');
1017      var bound = restArguments(function(callArgs) {
1018        return executeBound(func, bound, context, this, args.concat(callArgs));
1019      });
1020      return bound;
1021    });
1022  
1023    // Internal helper for collection methods to determine whether a collection
1024    // should be iterated as an array or as an object.
1025    // Related: https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength
1026    // Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094
1027    var isArrayLike = createSizePropertyCheck(getLength);
1028  
1029    // Internal implementation of a recursive `flatten` function.
1030    function flatten$1(input, depth, strict, output) {
1031      output = output || [];
1032      if (!depth && depth !== 0) {
1033        depth = Infinity;
1034      } else if (depth <= 0) {
1035        return output.concat(input);
1036      }
1037      var idx = output.length;
1038      for (var i = 0, length = getLength(input); i < length; i++) {
1039        var value = input[i];
1040        if (isArrayLike(value) && (isArray(value) || isArguments$1(value))) {
1041          // Flatten current level of array or arguments object.
1042          if (depth > 1) {
1043            flatten$1(value, depth - 1, strict, output);
1044            idx = output.length;
1045          } else {
1046            var j = 0, len = value.length;
1047            while (j < len) output[idx++] = value[j++];
1048          }
1049        } else if (!strict) {
1050          output[idx++] = value;
1051        }
1052      }
1053      return output;
1054    }
1055  
1056    // Bind a number of an object's methods to that object. Remaining arguments
1057    // are the method names to be bound. Useful for ensuring that all callbacks
1058    // defined on an object belong to it.
1059    var bindAll = restArguments(function(obj, keys) {
1060      keys = flatten$1(keys, false, false);
1061      var index = keys.length;
1062      if (index < 1) throw new Error('bindAll must be passed function names');
1063      while (index--) {
1064        var key = keys[index];
1065        obj[key] = bind(obj[key], obj);
1066      }
1067      return obj;
1068    });
1069  
1070    // Memoize an expensive function by storing its results.
1071    function memoize(func, hasher) {
1072      var memoize = function(key) {
1073        var cache = memoize.cache;
1074        var address = '' + (hasher ? hasher.apply(this, arguments) : key);
1075        if (!has$1(cache, address)) cache[address] = func.apply(this, arguments);
1076        return cache[address];
1077      };
1078      memoize.cache = {};
1079      return memoize;
1080    }
1081  
1082    // Delays a function for the given number of milliseconds, and then calls
1083    // it with the arguments supplied.
1084    var delay = restArguments(function(func, wait, args) {
1085      return setTimeout(function() {
1086        return func.apply(null, args);
1087      }, wait);
1088    });
1089  
1090    // Defers a function, scheduling it to run after the current call stack has
1091    // cleared.
1092    var defer = partial(delay, _$1, 1);
1093  
1094    // Returns a function, that, when invoked, will only be triggered at most once
1095    // during a given window of time. Normally, the throttled function will run
1096    // as much as it can, without ever going more than once per `wait` duration;
1097    // but if you'd like to disable the execution on the leading edge, pass
1098    // `{leading: false}`. To disable execution on the trailing edge, ditto.
1099    function throttle(func, wait, options) {
1100      var timeout, context, args, result;
1101      var previous = 0;
1102      if (!options) options = {};
1103  
1104      var later = function() {
1105        previous = options.leading === false ? 0 : now();
1106        timeout = null;
1107        result = func.apply(context, args);
1108        if (!timeout) context = args = null;
1109      };
1110  
1111      var throttled = function() {
1112        var _now = now();
1113        if (!previous && options.leading === false) previous = _now;
1114        var remaining = wait - (_now - previous);
1115        context = this;
1116        args = arguments;
1117        if (remaining <= 0 || remaining > wait) {
1118          if (timeout) {
1119            clearTimeout(timeout);
1120            timeout = null;
1121          }
1122          previous = _now;
1123          result = func.apply(context, args);
1124          if (!timeout) context = args = null;
1125        } else if (!timeout && options.trailing !== false) {
1126          timeout = setTimeout(later, remaining);
1127        }
1128        return result;
1129      };
1130  
1131      throttled.cancel = function() {
1132        clearTimeout(timeout);
1133        previous = 0;
1134        timeout = context = args = null;
1135      };
1136  
1137      return throttled;
1138    }
1139  
1140    // When a sequence of calls of the returned function ends, the argument
1141    // function is triggered. The end of a sequence is defined by the `wait`
1142    // parameter. If `immediate` is passed, the argument function will be
1143    // triggered at the beginning of the sequence instead of at the end.
1144    function debounce(func, wait, immediate) {
1145      var timeout, previous, args, result, context;
1146  
1147      var later = function() {
1148        var passed = now() - previous;
1149        if (wait > passed) {
1150          timeout = setTimeout(later, wait - passed);
1151        } else {
1152          timeout = null;
1153          if (!immediate) result = func.apply(context, args);
1154          // This check is needed because `func` can recursively invoke `debounced`.
1155          if (!timeout) args = context = null;
1156        }
1157      };
1158  
1159      var debounced = restArguments(function(_args) {
1160        context = this;
1161        args = _args;
1162        previous = now();
1163        if (!timeout) {
1164          timeout = setTimeout(later, wait);
1165          if (immediate) result = func.apply(context, args);
1166        }
1167        return result;
1168      });
1169  
1170      debounced.cancel = function() {
1171        clearTimeout(timeout);
1172        timeout = args = context = null;
1173      };
1174  
1175      return debounced;
1176    }
1177  
1178    // Returns the first function passed as an argument to the second,
1179    // allowing you to adjust arguments, run code before and after, and
1180    // conditionally execute the original function.
1181    function wrap(func, wrapper) {
1182      return partial(wrapper, func);
1183    }
1184  
1185    // Returns a negated version of the passed-in predicate.
1186    function negate(predicate) {
1187      return function() {
1188        return !predicate.apply(this, arguments);
1189      };
1190    }
1191  
1192    // Returns a function that is the composition of a list of functions, each
1193    // consuming the return value of the function that follows.
1194    function compose() {
1195      var args = arguments;
1196      var start = args.length - 1;
1197      return function() {
1198        var i = start;
1199        var result = args[start].apply(this, arguments);
1200        while (i--) result = args[i].call(this, result);
1201        return result;
1202      };
1203    }
1204  
1205    // Returns a function that will only be executed on and after the Nth call.
1206    function after(times, func) {
1207      return function() {
1208        if (--times < 1) {
1209          return func.apply(this, arguments);
1210        }
1211      };
1212    }
1213  
1214    // Returns a function that will only be executed up to (but not including) the
1215    // Nth call.
1216    function before(times, func) {
1217      var memo;
1218      return function() {
1219        if (--times > 0) {
1220          memo = func.apply(this, arguments);
1221        }
1222        if (times <= 1) func = null;
1223        return memo;
1224      };
1225    }
1226  
1227    // Returns a function that will be executed at most one time, no matter how
1228    // often you call it. Useful for lazy initialization.
1229    var once = partial(before, 2);
1230  
1231    // Returns the first key on an object that passes a truth test.
1232    function findKey(obj, predicate, context) {
1233      predicate = cb(predicate, context);
1234      var _keys = keys(obj), key;
1235      for (var i = 0, length = _keys.length; i < length; i++) {
1236        key = _keys[i];
1237        if (predicate(obj[key], key, obj)) return key;
1238      }
1239    }
1240  
1241    // Internal function to generate `_.findIndex` and `_.findLastIndex`.
1242    function createPredicateIndexFinder(dir) {
1243      return function(array, predicate, context) {
1244        predicate = cb(predicate, context);
1245        var length = getLength(array);
1246        var index = dir > 0 ? 0 : length - 1;
1247        for (; index >= 0 && index < length; index += dir) {
1248          if (predicate(array[index], index, array)) return index;
1249        }
1250        return -1;
1251      };
1252    }
1253  
1254    // Returns the first index on an array-like that passes a truth test.
1255    var findIndex = createPredicateIndexFinder(1);
1256  
1257    // Returns the last index on an array-like that passes a truth test.
1258    var findLastIndex = createPredicateIndexFinder(-1);
1259  
1260    // Use a comparator function to figure out the smallest index at which
1261    // an object should be inserted so as to maintain order. Uses binary search.
1262    function sortedIndex(array, obj, iteratee, context) {
1263      iteratee = cb(iteratee, context, 1);
1264      var value = iteratee(obj);
1265      var low = 0, high = getLength(array);
1266      while (low < high) {
1267        var mid = Math.floor((low + high) / 2);
1268        if (iteratee(array[mid]) < value) low = mid + 1; else high = mid;
1269      }
1270      return low;
1271    }
1272  
1273    // Internal function to generate the `_.indexOf` and `_.lastIndexOf` functions.
1274    function createIndexFinder(dir, predicateFind, sortedIndex) {
1275      return function(array, item, idx) {
1276        var i = 0, length = getLength(array);
1277        if (typeof idx == 'number') {
1278          if (dir > 0) {
1279            i = idx >= 0 ? idx : Math.max(idx + length, i);
1280          } else {
1281            length = idx >= 0 ? Math.min(idx + 1, length) : idx + length + 1;
1282          }
1283        } else if (sortedIndex && idx && length) {
1284          idx = sortedIndex(array, item);
1285          return array[idx] === item ? idx : -1;
1286        }
1287        if (item !== item) {
1288          idx = predicateFind(slice.call(array, i, length), isNaN$1);
1289          return idx >= 0 ? idx + i : -1;
1290        }
1291        for (idx = dir > 0 ? i : length - 1; idx >= 0 && idx < length; idx += dir) {
1292          if (array[idx] === item) return idx;
1293        }
1294        return -1;
1295      };
1296    }
1297  
1298    // Return the position of the first occurrence of an item in an array,
1299    // or -1 if the item is not included in the array.
1300    // If the array is large and already in sort order, pass `true`
1301    // for **isSorted** to use binary search.
1302    var indexOf = createIndexFinder(1, findIndex, sortedIndex);
1303  
1304    // Return the position of the last occurrence of an item in an array,
1305    // or -1 if the item is not included in the array.
1306    var lastIndexOf = createIndexFinder(-1, findLastIndex);
1307  
1308    // Return the first value which passes a truth test.
1309    function find(obj, predicate, context) {
1310      var keyFinder = isArrayLike(obj) ? findIndex : findKey;
1311      var key = keyFinder(obj, predicate, context);
1312      if (key !== void 0 && key !== -1) return obj[key];
1313    }
1314  
1315    // Convenience version of a common use case of `_.find`: getting the first
1316    // object containing specific `key:value` pairs.
1317    function findWhere(obj, attrs) {
1318      return find(obj, matcher(attrs));
1319    }
1320  
1321    // The cornerstone for collection functions, an `each`
1322    // implementation, aka `forEach`.
1323    // Handles raw objects in addition to array-likes. Treats all
1324    // sparse array-likes as if they were dense.
1325    function each(obj, iteratee, context) {
1326      iteratee = optimizeCb(iteratee, context);
1327      var i, length;
1328      if (isArrayLike(obj)) {
1329        for (i = 0, length = obj.length; i < length; i++) {
1330          iteratee(obj[i], i, obj);
1331        }
1332      } else {
1333        var _keys = keys(obj);
1334        for (i = 0, length = _keys.length; i < length; i++) {
1335          iteratee(obj[_keys[i]], _keys[i], obj);
1336        }
1337      }
1338      return obj;
1339    }
1340  
1341    // Return the results of applying the iteratee to each element.
1342    function map(obj, iteratee, context) {
1343      iteratee = cb(iteratee, context);
1344      var _keys = !isArrayLike(obj) && keys(obj),
1345          length = (_keys || obj).length,
1346          results = Array(length);
1347      for (var index = 0; index < length; index++) {
1348        var currentKey = _keys ? _keys[index] : index;
1349        results[index] = iteratee(obj[currentKey], currentKey, obj);
1350      }
1351      return results;
1352    }
1353  
1354    // Internal helper to create a reducing function, iterating left or right.
1355    function createReduce(dir) {
1356      // Wrap code that reassigns argument variables in a separate function than
1357      // the one that accesses `arguments.length` to avoid a perf hit. (#1991)
1358      var reducer = function(obj, iteratee, memo, initial) {
1359        var _keys = !isArrayLike(obj) && keys(obj),
1360            length = (_keys || obj).length,
1361            index = dir > 0 ? 0 : length - 1;
1362        if (!initial) {
1363          memo = obj[_keys ? _keys[index] : index];
1364          index += dir;
1365        }
1366        for (; index >= 0 && index < length; index += dir) {
1367          var currentKey = _keys ? _keys[index] : index;
1368          memo = iteratee(memo, obj[currentKey], currentKey, obj);
1369        }
1370        return memo;
1371      };
1372  
1373      return function(obj, iteratee, memo, context) {
1374        var initial = arguments.length >= 3;
1375        return reducer(obj, optimizeCb(iteratee, context, 4), memo, initial);
1376      };
1377    }
1378  
1379    // **Reduce** builds up a single result from a list of values, aka `inject`,
1380    // or `foldl`.
1381    var reduce = createReduce(1);
1382  
1383    // The right-associative version of reduce, also known as `foldr`.
1384    var reduceRight = createReduce(-1);
1385  
1386    // Return all the elements that pass a truth test.
1387    function filter(obj, predicate, context) {
1388      var results = [];
1389      predicate = cb(predicate, context);
1390      each(obj, function(value, index, list) {
1391        if (predicate(value, index, list)) results.push(value);
1392      });
1393      return results;
1394    }
1395  
1396    // Return all the elements for which a truth test fails.
1397    function reject(obj, predicate, context) {
1398      return filter(obj, negate(cb(predicate)), context);
1399    }
1400  
1401    // Determine whether all of the elements pass a truth test.
1402    function every(obj, predicate, context) {
1403      predicate = cb(predicate, context);
1404      var _keys = !isArrayLike(obj) && keys(obj),
1405          length = (_keys || obj).length;
1406      for (var index = 0; index < length; index++) {
1407        var currentKey = _keys ? _keys[index] : index;
1408        if (!predicate(obj[currentKey], currentKey, obj)) return false;
1409      }
1410      return true;
1411    }
1412  
1413    // Determine if at least one element in the object passes a truth test.
1414    function some(obj, predicate, context) {
1415      predicate = cb(predicate, context);
1416      var _keys = !isArrayLike(obj) && keys(obj),
1417          length = (_keys || obj).length;
1418      for (var index = 0; index < length; index++) {
1419        var currentKey = _keys ? _keys[index] : index;
1420        if (predicate(obj[currentKey], currentKey, obj)) return true;
1421      }
1422      return false;
1423    }
1424  
1425    // Determine if the array or object contains a given item (using `===`).
1426    function contains(obj, item, fromIndex, guard) {
1427      if (!isArrayLike(obj)) obj = values(obj);
1428      if (typeof fromIndex != 'number' || guard) fromIndex = 0;
1429      return indexOf(obj, item, fromIndex) >= 0;
1430    }
1431  
1432    // Invoke a method (with arguments) on every item in a collection.
1433    var invoke = restArguments(function(obj, path, args) {
1434      var contextPath, func;
1435      if (isFunction$1(path)) {
1436        func = path;
1437      } else {
1438        path = toPath(path);
1439        contextPath = path.slice(0, -1);
1440        path = path[path.length - 1];
1441      }
1442      return map(obj, function(context) {
1443        var method = func;
1444        if (!method) {
1445          if (contextPath && contextPath.length) {
1446            context = deepGet(context, contextPath);
1447          }
1448          if (context == null) return void 0;
1449          method = context[path];
1450        }
1451        return method == null ? method : method.apply(context, args);
1452      });
1453    });
1454  
1455    // Convenience version of a common use case of `_.map`: fetching a property.
1456    function pluck(obj, key) {
1457      return map(obj, property(key));
1458    }
1459  
1460    // Convenience version of a common use case of `_.filter`: selecting only
1461    // objects containing specific `key:value` pairs.
1462    function where(obj, attrs) {
1463      return filter(obj, matcher(attrs));
1464    }
1465  
1466    // Return the maximum element (or element-based computation).
1467    function max(obj, iteratee, context) {
1468      var result = -Infinity, lastComputed = -Infinity,
1469          value, computed;
1470      if (iteratee == null || typeof iteratee == 'number' && typeof obj[0] != 'object' && obj != null) {
1471        obj = isArrayLike(obj) ? obj : values(obj);
1472        for (var i = 0, length = obj.length; i < length; i++) {
1473          value = obj[i];
1474          if (value != null && value > result) {
1475            result = value;
1476          }
1477        }
1478      } else {
1479        iteratee = cb(iteratee, context);
1480        each(obj, function(v, index, list) {
1481          computed = iteratee(v, index, list);
1482          if (computed > lastComputed || computed === -Infinity && result === -Infinity) {
1483            result = v;
1484            lastComputed = computed;
1485          }
1486        });
1487      }
1488      return result;
1489    }
1490  
1491    // Return the minimum element (or element-based computation).
1492    function min(obj, iteratee, context) {
1493      var result = Infinity, lastComputed = Infinity,
1494          value, computed;
1495      if (iteratee == null || typeof iteratee == 'number' && typeof obj[0] != 'object' && obj != null) {
1496        obj = isArrayLike(obj) ? obj : values(obj);
1497        for (var i = 0, length = obj.length; i < length; i++) {
1498          value = obj[i];
1499          if (value != null && value < result) {
1500            result = value;
1501          }
1502        }
1503      } else {
1504        iteratee = cb(iteratee, context);
1505        each(obj, function(v, index, list) {
1506          computed = iteratee(v, index, list);
1507          if (computed < lastComputed || computed === Infinity && result === Infinity) {
1508            result = v;
1509            lastComputed = computed;
1510          }
1511        });
1512      }
1513      return result;
1514    }
1515  
1516    // Sample **n** random values from a collection using the modern version of the
1517    // [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher–Yates_shuffle).
1518    // If **n** is not specified, returns a single random element.
1519    // The internal `guard` argument allows it to work with `_.map`.
1520    function sample(obj, n, guard) {
1521      if (n == null || guard) {
1522        if (!isArrayLike(obj)) obj = values(obj);
1523        return obj[random(obj.length - 1)];
1524      }
1525      var sample = isArrayLike(obj) ? clone(obj) : values(obj);
1526      var length = getLength(sample);
1527      n = Math.max(Math.min(n, length), 0);
1528      var last = length - 1;
1529      for (var index = 0; index < n; index++) {
1530        var rand = random(index, last);
1531        var temp = sample[index];
1532        sample[index] = sample[rand];
1533        sample[rand] = temp;
1534      }
1535      return sample.slice(0, n);
1536    }
1537  
1538    // Shuffle a collection.
1539    function shuffle(obj) {
1540      return sample(obj, Infinity);
1541    }
1542  
1543    // Sort the object's values by a criterion produced by an iteratee.
1544    function sortBy(obj, iteratee, context) {
1545      var index = 0;
1546      iteratee = cb(iteratee, context);
1547      return pluck(map(obj, function(value, key, list) {
1548        return {
1549          value: value,
1550          index: index++,
1551          criteria: iteratee(value, key, list)
1552        };
1553      }).sort(function(left, right) {
1554        var a = left.criteria;
1555        var b = right.criteria;
1556        if (a !== b) {
1557          if (a > b || a === void 0) return 1;
1558          if (a < b || b === void 0) return -1;
1559        }
1560        return left.index - right.index;
1561      }), 'value');
1562    }
1563  
1564    // An internal function used for aggregate "group by" operations.
1565    function group(behavior, partition) {
1566      return function(obj, iteratee, context) {
1567        var result = partition ? [[], []] : {};
1568        iteratee = cb(iteratee, context);
1569        each(obj, function(value, index) {
1570          var key = iteratee(value, index, obj);
1571          behavior(result, value, key);
1572        });
1573        return result;
1574      };
1575    }
1576  
1577    // Groups the object's values by a criterion. Pass either a string attribute
1578    // to group by, or a function that returns the criterion.
1579    var groupBy = group(function(result, value, key) {
1580      if (has$1(result, key)) result[key].push(value); else result[key] = [value];
1581    });
1582  
1583    // Indexes the object's values by a criterion, similar to `_.groupBy`, but for
1584    // when you know that your index values will be unique.
1585    var indexBy = group(function(result, value, key) {
1586      result[key] = value;
1587    });
1588  
1589    // Counts instances of an object that group by a certain criterion. Pass
1590    // either a string attribute to count by, or a function that returns the
1591    // criterion.
1592    var countBy = group(function(result, value, key) {
1593      if (has$1(result, key)) result[key]++; else result[key] = 1;
1594    });
1595  
1596    // Split a collection into two arrays: one whose elements all pass the given
1597    // truth test, and one whose elements all do not pass the truth test.
1598    var partition = group(function(result, value, pass) {
1599      result[pass ? 0 : 1].push(value);
1600    }, true);
1601  
1602    // Safely create a real, live array from anything iterable.
1603    var reStrSymbol = /[^\ud800-\udfff]|[\ud800-\udbff][\udc00-\udfff]|[\ud800-\udfff]/g;
1604    function toArray(obj) {
1605      if (!obj) return [];
1606      if (isArray(obj)) return slice.call(obj);
1607      if (isString(obj)) {
1608        // Keep surrogate pair characters together.
1609        return obj.match(reStrSymbol);
1610      }
1611      if (isArrayLike(obj)) return map(obj, identity);
1612      return values(obj);
1613    }
1614  
1615    // Return the number of elements in a collection.
1616    function size(obj) {
1617      if (obj == null) return 0;
1618      return isArrayLike(obj) ? obj.length : keys(obj).length;
1619    }
1620  
1621    // Internal `_.pick` helper function to determine whether `key` is an enumerable
1622    // property name of `obj`.
1623    function keyInObj(value, key, obj) {
1624      return key in obj;
1625    }
1626  
1627    // Return a copy of the object only containing the allowed properties.
1628    var pick = restArguments(function(obj, keys) {
1629      var result = {}, iteratee = keys[0];
1630      if (obj == null) return result;
1631      if (isFunction$1(iteratee)) {
1632        if (keys.length > 1) iteratee = optimizeCb(iteratee, keys[1]);
1633        keys = allKeys(obj);
1634      } else {
1635        iteratee = keyInObj;
1636        keys = flatten$1(keys, false, false);
1637        obj = Object(obj);
1638      }
1639      for (var i = 0, length = keys.length; i < length; i++) {
1640        var key = keys[i];
1641        var value = obj[key];
1642        if (iteratee(value, key, obj)) result[key] = value;
1643      }
1644      return result;
1645    });
1646  
1647    // Return a copy of the object without the disallowed properties.
1648    var omit = restArguments(function(obj, keys) {
1649      var iteratee = keys[0], context;
1650      if (isFunction$1(iteratee)) {
1651        iteratee = negate(iteratee);
1652        if (keys.length > 1) context = keys[1];
1653      } else {
1654        keys = map(flatten$1(keys, false, false), String);
1655        iteratee = function(value, key) {
1656          return !contains(keys, key);
1657        };
1658      }
1659      return pick(obj, iteratee, context);
1660    });
1661  
1662    // Returns everything but the last entry of the array. Especially useful on
1663    // the arguments object. Passing **n** will return all the values in
1664    // the array, excluding the last N.
1665    function initial(array, n, guard) {
1666      return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n)));
1667    }
1668  
1669    // Get the first element of an array. Passing **n** will return the first N
1670    // values in the array. The **guard** check allows it to work with `_.map`.
1671    function first(array, n, guard) {
1672      if (array == null || array.length < 1) return n == null || guard ? void 0 : [];
1673      if (n == null || guard) return array[0];
1674      return initial(array, array.length - n);
1675    }
1676  
1677    // Returns everything but the first entry of the `array`. Especially useful on
1678    // the `arguments` object. Passing an **n** will return the rest N values in the
1679    // `array`.
1680    function rest(array, n, guard) {
1681      return slice.call(array, n == null || guard ? 1 : n);
1682    }
1683  
1684    // Get the last element of an array. Passing **n** will return the last N
1685    // values in the array.
1686    function last(array, n, guard) {
1687      if (array == null || array.length < 1) return n == null || guard ? void 0 : [];
1688      if (n == null || guard) return array[array.length - 1];
1689      return rest(array, Math.max(0, array.length - n));
1690    }
1691  
1692    // Trim out all falsy values from an array.
1693    function compact(array) {
1694      return filter(array, Boolean);
1695    }
1696  
1697    // Flatten out an array, either recursively (by default), or up to `depth`.
1698    // Passing `true` or `false` as `depth` means `1` or `Infinity`, respectively.
1699    function flatten(array, depth) {
1700      return flatten$1(array, depth, false);
1701    }
1702  
1703    // Take the difference between one array and a number of other arrays.
1704    // Only the elements present in just the first array will remain.
1705    var difference = restArguments(function(array, rest) {
1706      rest = flatten$1(rest, true, true);
1707      return filter(array, function(value){
1708        return !contains(rest, value);
1709      });
1710    });
1711  
1712    // Return a version of the array that does not contain the specified value(s).
1713    var without = restArguments(function(array, otherArrays) {
1714      return difference(array, otherArrays);
1715    });
1716  
1717    // Produce a duplicate-free version of the array. If the array has already
1718    // been sorted, you have the option of using a faster algorithm.
1719    // The faster algorithm will not work with an iteratee if the iteratee
1720    // is not a one-to-one function, so providing an iteratee will disable
1721    // the faster algorithm.
1722    function uniq(array, isSorted, iteratee, context) {
1723      if (!isBoolean(isSorted)) {
1724        context = iteratee;
1725        iteratee = isSorted;
1726        isSorted = false;
1727      }
1728      if (iteratee != null) iteratee = cb(iteratee, context);
1729      var result = [];
1730      var seen = [];
1731      for (var i = 0, length = getLength(array); i < length; i++) {
1732        var value = array[i],
1733            computed = iteratee ? iteratee(value, i, array) : value;
1734        if (isSorted && !iteratee) {
1735          if (!i || seen !== computed) result.push(value);
1736          seen = computed;
1737        } else if (iteratee) {
1738          if (!contains(seen, computed)) {
1739            seen.push(computed);
1740            result.push(value);
1741          }
1742        } else if (!contains(result, value)) {
1743          result.push(value);
1744        }
1745      }
1746      return result;
1747    }
1748  
1749    // Produce an array that contains the union: each distinct element from all of
1750    // the passed-in arrays.
1751    var union = restArguments(function(arrays) {
1752      return uniq(flatten$1(arrays, true, true));
1753    });
1754  
1755    // Produce an array that contains every item shared between all the
1756    // passed-in arrays.
1757    function intersection(array) {
1758      var result = [];
1759      var argsLength = arguments.length;
1760      for (var i = 0, length = getLength(array); i < length; i++) {
1761        var item = array[i];
1762        if (contains(result, item)) continue;
1763        var j;
1764        for (j = 1; j < argsLength; j++) {
1765          if (!contains(arguments[j], item)) break;
1766        }
1767        if (j === argsLength) result.push(item);
1768      }
1769      return result;
1770    }
1771  
1772    // Complement of zip. Unzip accepts an array of arrays and groups
1773    // each array's elements on shared indices.
1774    function unzip(array) {
1775      var length = array && max(array, getLength).length || 0;
1776      var result = Array(length);
1777  
1778      for (var index = 0; index < length; index++) {
1779        result[index] = pluck(array, index);
1780      }
1781      return result;
1782    }
1783  
1784    // Zip together multiple lists into a single array -- elements that share
1785    // an index go together.
1786    var zip = restArguments(unzip);
1787  
1788    // Converts lists into objects. Pass either a single array of `[key, value]`
1789    // pairs, or two parallel arrays of the same length -- one of keys, and one of
1790    // the corresponding values. Passing by pairs is the reverse of `_.pairs`.
1791    function object(list, values) {
1792      var result = {};
1793      for (var i = 0, length = getLength(list); i < length; i++) {
1794        if (values) {
1795          result[list[i]] = values[i];
1796        } else {
1797          result[list[i][0]] = list[i][1];
1798        }
1799      }
1800      return result;
1801    }
1802  
1803    // Generate an integer Array containing an arithmetic progression. A port of
1804    // the native Python `range()` function. See
1805    // [the Python documentation](https://docs.python.org/library/functions.html#range).
1806    function range(start, stop, step) {
1807      if (stop == null) {
1808        stop = start || 0;
1809        start = 0;
1810      }
1811      if (!step) {
1812        step = stop < start ? -1 : 1;
1813      }
1814  
1815      var length = Math.max(Math.ceil((stop - start) / step), 0);
1816      var range = Array(length);
1817  
1818      for (var idx = 0; idx < length; idx++, start += step) {
1819        range[idx] = start;
1820      }
1821  
1822      return range;
1823    }
1824  
1825    // Chunk a single array into multiple arrays, each containing `count` or fewer
1826    // items.
1827    function chunk(array, count) {
1828      if (count == null || count < 1) return [];
1829      var result = [];
1830      var i = 0, length = array.length;
1831      while (i < length) {
1832        result.push(slice.call(array, i, i += count));
1833      }
1834      return result;
1835    }
1836  
1837    // Helper function to continue chaining intermediate results.
1838    function chainResult(instance, obj) {
1839      return instance._chain ? _$1(obj).chain() : obj;
1840    }
1841  
1842    // Add your own custom functions to the Underscore object.
1843    function mixin(obj) {
1844      each(functions(obj), function(name) {
1845        var func = _$1[name] = obj[name];
1846        _$1.prototype[name] = function() {
1847          var args = [this._wrapped];
1848          push.apply(args, arguments);
1849          return chainResult(this, func.apply(_$1, args));
1850        };
1851      });
1852      return _$1;
1853    }
1854  
1855    // Add all mutator `Array` functions to the wrapper.
1856    each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
1857      var method = ArrayProto[name];
1858      _$1.prototype[name] = function() {
1859        var obj = this._wrapped;
1860        if (obj != null) {
1861          method.apply(obj, arguments);
1862          if ((name === 'shift' || name === 'splice') && obj.length === 0) {
1863            delete obj[0];
1864          }
1865        }
1866        return chainResult(this, obj);
1867      };
1868    });
1869  
1870    // Add all accessor `Array` functions to the wrapper.
1871    each(['concat', 'join', 'slice'], function(name) {
1872      var method = ArrayProto[name];
1873      _$1.prototype[name] = function() {
1874        var obj = this._wrapped;
1875        if (obj != null) obj = method.apply(obj, arguments);
1876        return chainResult(this, obj);
1877      };
1878    });
1879  
1880    // Named Exports
1881  
1882    var allExports = {
1883      __proto__: null,
1884      VERSION: VERSION,
1885      restArguments: restArguments,
1886      isObject: isObject,
1887      isNull: isNull,
1888      isUndefined: isUndefined,
1889      isBoolean: isBoolean,
1890      isElement: isElement,
1891      isString: isString,
1892      isNumber: isNumber,
1893      isDate: isDate,
1894      isRegExp: isRegExp,
1895      isError: isError,
1896      isSymbol: isSymbol,
1897      isArrayBuffer: isArrayBuffer,
1898      isDataView: isDataView$1,
1899      isArray: isArray,
1900      isFunction: isFunction$1,
1901      isArguments: isArguments$1,
1902      isFinite: isFinite$1,
1903      isNaN: isNaN$1,
1904      isTypedArray: isTypedArray$1,
1905      isEmpty: isEmpty,
1906      isMatch: isMatch,
1907      isEqual: isEqual,
1908      isMap: isMap,
1909      isWeakMap: isWeakMap,
1910      isSet: isSet,
1911      isWeakSet: isWeakSet,
1912      keys: keys,
1913      allKeys: allKeys,
1914      values: values,
1915      pairs: pairs,
1916      invert: invert,
1917      functions: functions,
1918      methods: functions,
1919      extend: extend,
1920      extendOwn: extendOwn,
1921      assign: extendOwn,
1922      defaults: defaults,
1923      create: create,
1924      clone: clone,
1925      tap: tap,
1926      get: get,
1927      has: has,
1928      mapObject: mapObject,
1929      identity: identity,
1930      constant: constant,
1931      noop: noop,
1932      toPath: toPath$1,
1933      property: property,
1934      propertyOf: propertyOf,
1935      matcher: matcher,
1936      matches: matcher,
1937      times: times,
1938      random: random,
1939      now: now,
1940      escape: _escape,
1941      unescape: _unescape,
1942      templateSettings: templateSettings,
1943      template: template,
1944      result: result,
1945      uniqueId: uniqueId,
1946      chain: chain,
1947      iteratee: iteratee,
1948      partial: partial,
1949      bind: bind,
1950      bindAll: bindAll,
1951      memoize: memoize,
1952      delay: delay,
1953      defer: defer,
1954      throttle: throttle,
1955      debounce: debounce,
1956      wrap: wrap,
1957      negate: negate,
1958      compose: compose,
1959      after: after,
1960      before: before,
1961      once: once,
1962      findKey: findKey,
1963      findIndex: findIndex,
1964      findLastIndex: findLastIndex,
1965      sortedIndex: sortedIndex,
1966      indexOf: indexOf,
1967      lastIndexOf: lastIndexOf,
1968      find: find,
1969      detect: find,
1970      findWhere: findWhere,
1971      each: each,
1972      forEach: each,
1973      map: map,
1974      collect: map,
1975      reduce: reduce,
1976      foldl: reduce,
1977      inject: reduce,
1978      reduceRight: reduceRight,
1979      foldr: reduceRight,
1980      filter: filter,
1981      select: filter,
1982      reject: reject,
1983      every: every,
1984      all: every,
1985      some: some,
1986      any: some,
1987      contains: contains,
1988      includes: contains,
1989      include: contains,
1990      invoke: invoke,
1991      pluck: pluck,
1992      where: where,
1993      max: max,
1994      min: min,
1995      shuffle: shuffle,
1996      sample: sample,
1997      sortBy: sortBy,
1998      groupBy: groupBy,
1999      indexBy: indexBy,
2000      countBy: countBy,
2001      partition: partition,
2002      toArray: toArray,
2003      size: size,
2004      pick: pick,
2005      omit: omit,
2006      first: first,
2007      head: first,
2008      take: first,
2009      initial: initial,
2010      last: last,
2011      rest: rest,
2012      tail: rest,
2013      drop: rest,
2014      compact: compact,
2015      flatten: flatten,
2016      without: without,
2017      uniq: uniq,
2018      unique: uniq,
2019      union: union,
2020      intersection: intersection,
2021      difference: difference,
2022      unzip: unzip,
2023      transpose: unzip,
2024      zip: zip,
2025      object: object,
2026      range: range,
2027      chunk: chunk,
2028      mixin: mixin,
2029      'default': _$1
2030    };
2031  
2032    // Default Export
2033  
2034    // Add all of the Underscore functions to the wrapper object.
2035    var _ = mixin(allExports);
2036    // Legacy Node.js API.
2037    _._ = _;
2038  
2039    return _;
2040  
2041  })));


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