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/** * MIT License * * Copyright (c) 2014-present, Lee Byron and other contributors. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.Immutable = {})); }(this, (function (exports) { 'use strict'; var DELETE = 'delete'; // Constants describing the size of trie nodes. var SHIFT = 5; // Resulted in best performance after ______? var SIZE = 1 << SHIFT; var MASK = SIZE - 1; // A consistent shared value representing "not set" which equals nothing other // than itself, and nothing that could be provided externally. var NOT_SET = {}; // Boolean references, Rough equivalent of `bool &`. function MakeRef() { return { value: false }; } function SetRef(ref) { if (ref) { ref.value = true; } } // A function which returns a value representing an "owner" for transient writes // to tries. The return value will only ever equal itself, and will not equal // the return of any subsequent call of this function. function OwnerID() {} function ensureSize(iter) { if (iter.size === undefined) { iter.size = iter.__iterate(returnTrue); } return iter.size; } function wrapIndex(iter, index) { // This implements "is array index" which the ECMAString spec defines as: // // A String property name P is an array index if and only if // ToString(ToUint32(P)) is equal to P and ToUint32(P) is not equal // to 2^32−1. // // http://www.ecma-international.org/ecma-262/6.0/#sec-array-exotic-objects if (typeof index !== 'number') { var uint32Index = index >>> 0; // N >>> 0 is shorthand for ToUint32 if ('' + uint32Index !== index || uint32Index === 4294967295) { return NaN; } index = uint32Index; } return index < 0 ? ensureSize(iter) + index : index; } function returnTrue() { return true; } function wholeSlice(begin, end, size) { return ( ((begin === 0 && !isNeg(begin)) || (size !== undefined && begin <= -size)) && (end === undefined || (size !== undefined && end >= size)) ); } function resolveBegin(begin, size) { return resolveIndex(begin, size, 0); } function resolveEnd(end, size) { return resolveIndex(end, size, size); } function resolveIndex(index, size, defaultIndex) { // Sanitize indices using this shorthand for ToInt32(argument) // http://www.ecma-international.org/ecma-262/6.0/#sec-toint32 return index === undefined ? defaultIndex : isNeg(index) ? size === Infinity ? size : Math.max(0, size + index) | 0 : size === undefined || size === index ? index : Math.min(size, index) | 0; } function isNeg(value) { // Account for -0 which is negative, but not less than 0. return value < 0 || (value === 0 && 1 / value === -Infinity); } var IS_COLLECTION_SYMBOL = '@@__IMMUTABLE_ITERABLE__@@'; function isCollection(maybeCollection) { return Boolean(maybeCollection && maybeCollection[IS_COLLECTION_SYMBOL]); } var IS_KEYED_SYMBOL = '@@__IMMUTABLE_KEYED__@@'; function isKeyed(maybeKeyed) { return Boolean(maybeKeyed && maybeKeyed[IS_KEYED_SYMBOL]); } var IS_INDEXED_SYMBOL = '@@__IMMUTABLE_INDEXED__@@'; function isIndexed(maybeIndexed) { return Boolean(maybeIndexed && maybeIndexed[IS_INDEXED_SYMBOL]); } function isAssociative(maybeAssociative) { return isKeyed(maybeAssociative) || isIndexed(maybeAssociative); } var Collection = function Collection(value) { return isCollection(value) ? value : Seq(value); }; var KeyedCollection = /*@__PURE__*/(function (Collection) { function KeyedCollection(value) { return isKeyed(value) ? value : KeyedSeq(value); } if ( Collection ) KeyedCollection.__proto__ = Collection; KeyedCollection.prototype = Object.create( Collection && Collection.prototype ); KeyedCollection.prototype.constructor = KeyedCollection; return KeyedCollection; }(Collection)); var IndexedCollection = /*@__PURE__*/(function (Collection) { function IndexedCollection(value) { return isIndexed(value) ? value : IndexedSeq(value); } if ( Collection ) IndexedCollection.__proto__ = Collection; IndexedCollection.prototype = Object.create( Collection && Collection.prototype ); IndexedCollection.prototype.constructor = IndexedCollection; return IndexedCollection; }(Collection)); var SetCollection = /*@__PURE__*/(function (Collection) { function SetCollection(value) { return isCollection(value) && !isAssociative(value) ? value : SetSeq(value); } if ( Collection ) SetCollection.__proto__ = Collection; SetCollection.prototype = Object.create( Collection && Collection.prototype ); SetCollection.prototype.constructor = SetCollection; return SetCollection; }(Collection)); Collection.Keyed = KeyedCollection; Collection.Indexed = IndexedCollection; Collection.Set = SetCollection; var IS_SEQ_SYMBOL = '@@__IMMUTABLE_SEQ__@@'; function isSeq(maybeSeq) { return Boolean(maybeSeq && maybeSeq[IS_SEQ_SYMBOL]); } var IS_RECORD_SYMBOL = '@@__IMMUTABLE_RECORD__@@'; function isRecord(maybeRecord) { return Boolean(maybeRecord && maybeRecord[IS_RECORD_SYMBOL]); } function isImmutable(maybeImmutable) { return isCollection(maybeImmutable) || isRecord(maybeImmutable); } var IS_ORDERED_SYMBOL = '@@__IMMUTABLE_ORDERED__@@'; function isOrdered(maybeOrdered) { return Boolean(maybeOrdered && maybeOrdered[IS_ORDERED_SYMBOL]); } var ITERATE_KEYS = 0; var ITERATE_VALUES = 1; var ITERATE_ENTRIES = 2; var REAL_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator; var FAUX_ITERATOR_SYMBOL = '@@iterator'; var ITERATOR_SYMBOL = REAL_ITERATOR_SYMBOL || FAUX_ITERATOR_SYMBOL; var Iterator = function Iterator(next) { this.next = next; }; Iterator.prototype.toString = function toString () { return '[Iterator]'; }; Iterator.KEYS = ITERATE_KEYS; Iterator.VALUES = ITERATE_VALUES; Iterator.ENTRIES = ITERATE_ENTRIES; Iterator.prototype.inspect = Iterator.prototype.toSource = function () { return this.toString(); }; Iterator.prototype[ITERATOR_SYMBOL] = function () { return this; }; function iteratorValue(type, k, v, iteratorResult) { var value = type === 0 ? k : type === 1 ? v : [k, v]; iteratorResult ? (iteratorResult.value = value) : (iteratorResult = { value: value, done: false, }); return iteratorResult; } function iteratorDone() { return { value: undefined, done: true }; } function hasIterator(maybeIterable) { if (Array.isArray(maybeIterable)) { // IE11 trick as it does not support `Symbol.iterator` return true; } return !!getIteratorFn(maybeIterable); } function isIterator(maybeIterator) { return maybeIterator && typeof maybeIterator.next === 'function'; } function getIterator(iterable) { var iteratorFn = getIteratorFn(iterable); return iteratorFn && iteratorFn.call(iterable); } function getIteratorFn(iterable) { var iteratorFn = iterable && ((REAL_ITERATOR_SYMBOL && iterable[REAL_ITERATOR_SYMBOL]) || iterable[FAUX_ITERATOR_SYMBOL]); if (typeof iteratorFn === 'function') { return iteratorFn; } } function isEntriesIterable(maybeIterable) { var iteratorFn = getIteratorFn(maybeIterable); return iteratorFn && iteratorFn === maybeIterable.entries; } function isKeysIterable(maybeIterable) { var iteratorFn = getIteratorFn(maybeIterable); return iteratorFn && iteratorFn === maybeIterable.keys; } var hasOwnProperty = Object.prototype.hasOwnProperty; function isArrayLike(value) { if (Array.isArray(value) || typeof value === 'string') { return true; } return ( value && typeof value === 'object' && Number.isInteger(value.length) && value.length >= 0 && (value.length === 0 ? // Only {length: 0} is considered Array-like. Object.keys(value).length === 1 : // An object is only Array-like if it has a property where the last value // in the array-like may be found (which could be undefined). value.hasOwnProperty(value.length - 1)) ); } var Seq = /*@__PURE__*/(function (Collection) { function Seq(value) { return value === undefined || value === null ? emptySequence() : isImmutable(value) ? value.toSeq() : seqFromValue(value); } if ( Collection ) Seq.__proto__ = Collection; Seq.prototype = Object.create( Collection && Collection.prototype ); Seq.prototype.constructor = Seq; Seq.prototype.toSeq = function toSeq () { return this; }; Seq.prototype.toString = function toString () { return this.__toString('Seq {', '}'); }; Seq.prototype.cacheResult = function cacheResult () { if (!this._cache && this.__iterateUncached) { this._cache = this.entrySeq().toArray(); this.size = this._cache.length; } return this; }; // abstract __iterateUncached(fn, reverse) Seq.prototype.__iterate = function __iterate (fn, reverse) { var cache = this._cache; if (cache) { var size = cache.length; var i = 0; while (i !== size) { var entry = cache[reverse ? size - ++i : i++]; if (fn(entry[1], entry[0], this) === false) { break; } } return i; } return this.__iterateUncached(fn, reverse); }; // abstract __iteratorUncached(type, reverse) Seq.prototype.__iterator = function __iterator (type, reverse) { var cache = this._cache; if (cache) { var size = cache.length; var i = 0; return new Iterator(function () { if (i === size) { return iteratorDone(); } var entry = cache[reverse ? size - ++i : i++]; return iteratorValue(type, entry[0], entry[1]); }); } return this.__iteratorUncached(type, reverse); }; return Seq; }(Collection)); var KeyedSeq = /*@__PURE__*/(function (Seq) { function KeyedSeq(value) { return value === undefined || value === null ? emptySequence().toKeyedSeq() : isCollection(value) ? isKeyed(value) ? value.toSeq() : value.fromEntrySeq() : isRecord(value) ? value.toSeq() : keyedSeqFromValue(value); } if ( Seq ) KeyedSeq.__proto__ = Seq; KeyedSeq.prototype = Object.create( Seq && Seq.prototype ); KeyedSeq.prototype.constructor = KeyedSeq; KeyedSeq.prototype.toKeyedSeq = function toKeyedSeq () { return this; }; return KeyedSeq; }(Seq)); var IndexedSeq = /*@__PURE__*/(function (Seq) { function IndexedSeq(value) { return value === undefined || value === null ? emptySequence() : isCollection(value) ? isKeyed(value) ? value.entrySeq() : value.toIndexedSeq() : isRecord(value) ? value.toSeq().entrySeq() : indexedSeqFromValue(value); } if ( Seq ) IndexedSeq.__proto__ = Seq; IndexedSeq.prototype = Object.create( Seq && Seq.prototype ); IndexedSeq.prototype.constructor = IndexedSeq; IndexedSeq.of = function of (/*...values*/) { return IndexedSeq(arguments); }; IndexedSeq.prototype.toIndexedSeq = function toIndexedSeq () { return this; }; IndexedSeq.prototype.toString = function toString () { return this.__toString('Seq [', ']'); }; return IndexedSeq; }(Seq)); var SetSeq = /*@__PURE__*/(function (Seq) { function SetSeq(value) { return ( isCollection(value) && !isAssociative(value) ? value : IndexedSeq(value) ).toSetSeq(); } if ( Seq ) SetSeq.__proto__ = Seq; SetSeq.prototype = Object.create( Seq && Seq.prototype ); SetSeq.prototype.constructor = SetSeq; SetSeq.of = function of (/*...values*/) { return SetSeq(arguments); }; SetSeq.prototype.toSetSeq = function toSetSeq () { return this; }; return SetSeq; }(Seq)); Seq.isSeq = isSeq; Seq.Keyed = KeyedSeq; Seq.Set = SetSeq; Seq.Indexed = IndexedSeq; Seq.prototype[IS_SEQ_SYMBOL] = true; // #pragma Root Sequences var ArraySeq = /*@__PURE__*/(function (IndexedSeq) { function ArraySeq(array) { this._array = array; this.size = array.length; } if ( IndexedSeq ) ArraySeq.__proto__ = IndexedSeq; ArraySeq.prototype = Object.create( IndexedSeq && IndexedSeq.prototype ); ArraySeq.prototype.constructor = ArraySeq; ArraySeq.prototype.get = function get (index, notSetValue) { return this.has(index) ? this._array[wrapIndex(this, index)] : notSetValue; }; ArraySeq.prototype.__iterate = function __iterate (fn, reverse) { var array = this._array; var size = array.length; var i = 0; while (i !== size) { var ii = reverse ? size - ++i : i++; if (fn(array[ii], ii, this) === false) { break; } } return i; }; ArraySeq.prototype.__iterator = function __iterator (type, reverse) { var array = this._array; var size = array.length; var i = 0; return new Iterator(function () { if (i === size) { return iteratorDone(); } var ii = reverse ? size - ++i : i++; return iteratorValue(type, ii, array[ii]); }); }; return ArraySeq; }(IndexedSeq)); var ObjectSeq = /*@__PURE__*/(function (KeyedSeq) { function ObjectSeq(object) { var keys = Object.keys(object).concat( Object.getOwnPropertySymbols ? Object.getOwnPropertySymbols(object) : [] ); this._object = object; this._keys = keys; this.size = keys.length; } if ( KeyedSeq ) ObjectSeq.__proto__ = KeyedSeq; ObjectSeq.prototype = Object.create( KeyedSeq && KeyedSeq.prototype ); ObjectSeq.prototype.constructor = ObjectSeq; ObjectSeq.prototype.get = function get (key, notSetValue) { if (notSetValue !== undefined && !this.has(key)) { return notSetValue; } return this._object[key]; }; ObjectSeq.prototype.has = function has (key) { return hasOwnProperty.call(this._object, key); }; ObjectSeq.prototype.__iterate = function __iterate (fn, reverse) { var object = this._object; var keys = this._keys; var size = keys.length; var i = 0; while (i !== size) { var key = keys[reverse ? size - ++i : i++]; if (fn(object[key], key, this) === false) { break; } } return i; }; ObjectSeq.prototype.__iterator = function __iterator (type, reverse) { var object = this._object; var keys = this._keys; var size = keys.length; var i = 0; return new Iterator(function () { if (i === size) { return iteratorDone(); } var key = keys[reverse ? size - ++i : i++]; return iteratorValue(type, key, object[key]); }); }; return ObjectSeq; }(KeyedSeq)); ObjectSeq.prototype[IS_ORDERED_SYMBOL] = true; var CollectionSeq = /*@__PURE__*/(function (IndexedSeq) { function CollectionSeq(collection) { this._collection = collection; this.size = collection.length || collection.size; } if ( IndexedSeq ) CollectionSeq.__proto__ = IndexedSeq; CollectionSeq.prototype = Object.create( IndexedSeq && IndexedSeq.prototype ); CollectionSeq.prototype.constructor = CollectionSeq; CollectionSeq.prototype.__iterateUncached = function __iterateUncached (fn, reverse) { if (reverse) { return this.cacheResult().__iterate(fn, reverse); } var collection = this._collection; var iterator = getIterator(collection); var iterations = 0; if (isIterator(iterator)) { var step; while (!(step = iterator.next()).done) { if (fn(step.value, iterations++, this) === false) { break; } } } return iterations; }; CollectionSeq.prototype.__iteratorUncached = function __iteratorUncached (type, reverse) { if (reverse) { return this.cacheResult().__iterator(type, reverse); } var collection = this._collection; var iterator = getIterator(collection); if (!isIterator(iterator)) { return new Iterator(iteratorDone); } var iterations = 0; return new Iterator(function () { var step = iterator.next(); return step.done ? step : iteratorValue(type, iterations++, step.value); }); }; return CollectionSeq; }(IndexedSeq)); // # pragma Helper functions var EMPTY_SEQ; function emptySequence() { return EMPTY_SEQ || (EMPTY_SEQ = new ArraySeq([])); } function keyedSeqFromValue(value) { var seq = maybeIndexedSeqFromValue(value); if (seq) { return seq.fromEntrySeq(); } if (typeof value === 'object') { return new ObjectSeq(value); } throw new TypeError( 'Expected Array or collection object of [k, v] entries, or keyed object: ' + value ); } function indexedSeqFromValue(value) { var seq = maybeIndexedSeqFromValue(value); if (seq) { return seq; } throw new TypeError( 'Expected Array or collection object of values: ' + value ); } function seqFromValue(value) { var seq = maybeIndexedSeqFromValue(value); if (seq) { return isEntriesIterable(value) ? seq.fromEntrySeq() : isKeysIterable(value) ? seq.toSetSeq() : seq; } if (typeof value === 'object') { return new ObjectSeq(value); } throw new TypeError( 'Expected Array or collection object of values, or keyed object: ' + value ); } function maybeIndexedSeqFromValue(value) { return isArrayLike(value) ? new ArraySeq(value) : hasIterator(value) ? new CollectionSeq(value) : undefined; } var IS_MAP_SYMBOL = '@@__IMMUTABLE_MAP__@@'; function isMap(maybeMap) { return Boolean(maybeMap && maybeMap[IS_MAP_SYMBOL]); } function isOrderedMap(maybeOrderedMap) { return isMap(maybeOrderedMap) && isOrdered(maybeOrderedMap); } function isValueObject(maybeValue) { return Boolean( maybeValue && typeof maybeValue.equals === 'function' && typeof maybeValue.hashCode === 'function' ); } /** * An extension of the "same-value" algorithm as [described for use by ES6 Map * and Set](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map#Key_equality) * * NaN is considered the same as NaN, however -0 and 0 are considered the same * value, which is different from the algorithm described by * [`Object.is`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is). * * This is extended further to allow Objects to describe the values they * represent, by way of `valueOf` or `equals` (and `hashCode`). * * Note: because of this extension, the key equality of Immutable.Map and the * value equality of Immutable.Set will differ from ES6 Map and Set. * * ### Defining custom values * * The easiest way to describe the value an object represents is by implementing * `valueOf`. For example, `Date` represents a value by returning a unix * timestamp for `valueOf`: * * var date1 = new Date(1234567890000); // Fri Feb 13 2009 ... * var date2 = new Date(1234567890000); * date1.valueOf(); // 1234567890000 * assert( date1 !== date2 ); * assert( Immutable.is( date1, date2 ) ); * * Note: overriding `valueOf` may have other implications if you use this object * where JavaScript expects a primitive, such as implicit string coercion. * * For more complex types, especially collections, implementing `valueOf` may * not be performant. An alternative is to implement `equals` and `hashCode`. * * `equals` takes another object, presumably of similar type, and returns true * if it is equal. Equality is symmetrical, so the same result should be * returned if this and the argument are flipped. * * assert( a.equals(b) === b.equals(a) ); * * `hashCode` returns a 32bit integer number representing the object which will * be used to determine how to store the value object in a Map or Set. You must * provide both or neither methods, one must not exist without the other. * * Also, an important relationship between these methods must be upheld: if two * values are equal, they *must* return the same hashCode. If the values are not * equal, they might have the same hashCode; this is called a hash collision, * and while undesirable for performance reasons, it is acceptable. * * if (a.equals(b)) { * assert( a.hashCode() === b.hashCode() ); * } * * All Immutable collections are Value Objects: they implement `equals()` * and `hashCode()`. */ function is(valueA, valueB) { if (valueA === valueB || (valueA !== valueA && valueB !== valueB)) { return true; } if (!valueA || !valueB) { return false; } if ( typeof valueA.valueOf === 'function' && typeof valueB.valueOf === 'function' ) { valueA = valueA.valueOf(); valueB = valueB.valueOf(); if (valueA === valueB || (valueA !== valueA && valueB !== valueB)) { return true; } if (!valueA || !valueB) { return false; } } return !!( isValueObject(valueA) && isValueObject(valueB) && valueA.equals(valueB) ); } var imul = typeof Math.imul === 'function' && Math.imul(0xffffffff, 2) === -2 ? Math.imul : function imul(a, b) { a |= 0; // int b |= 0; // int var c = a & 0xffff; var d = b & 0xffff; // Shift by 0 fixes the sign on the high part. return (c * d + ((((a >>> 16) * d + c * (b >>> 16)) << 16) >>> 0)) | 0; // int }; // v8 has an optimization for storing 31-bit signed numbers. // Values which have either 00 or 11 as the high order bits qualify. // This function drops the highest order bit in a signed number, maintaining // the sign bit. function smi(i32) { return ((i32 >>> 1) & 0x40000000) | (i32 & 0xbfffffff); } var defaultValueOf = Object.prototype.valueOf; function hash(o) { if (o == null) { return hashNullish(o); } if (typeof o.hashCode === 'function') { // Drop any high bits from accidentally long hash codes. return smi(o.hashCode(o)); } var v = valueOf(o); if (v == null) { return hashNullish(v); } switch (typeof v) { case 'boolean': // The hash values for built-in constants are a 1 value for each 5-byte // shift region expect for the first, which encodes the value. This // reduces the odds of a hash collision for these common values. return v ? 0x42108421 : 0x42108420; case 'number': return hashNumber(v); case 'string': return v.length > STRING_HASH_CACHE_MIN_STRLEN ? cachedHashString(v) : hashString(v); case 'object': case 'function': return hashJSObj(v); case 'symbol': return hashSymbol(v); default: if (typeof v.toString === 'function') { return hashString(v.toString()); } throw new Error('Value type ' + typeof v + ' cannot be hashed.'); } } function hashNullish(nullish) { return nullish === null ? 0x42108422 : /* undefined */ 0x42108423; } // Compress arbitrarily large numbers into smi hashes. function hashNumber(n) { if (n !== n || n === Infinity) { return 0; } var hash = n | 0; if (hash !== n) { hash ^= n * 0xffffffff; } while (n > 0xffffffff) { n /= 0xffffffff; hash ^= n; } return smi(hash); } function cachedHashString(string) { var hashed = stringHashCache[string]; if (hashed === undefined) { hashed = hashString(string); if (STRING_HASH_CACHE_SIZE === STRING_HASH_CACHE_MAX_SIZE) { STRING_HASH_CACHE_SIZE = 0; stringHashCache = {}; } STRING_HASH_CACHE_SIZE++; stringHashCache[string] = hashed; } return hashed; } // http://jsperf.com/hashing-strings function hashString(string) { // This is the hash from JVM // The hash code for a string is computed as // s[0] * 31 ^ (n - 1) + s[1] * 31 ^ (n - 2) + ... + s[n - 1], // where s[i] is the ith character of the string and n is the length of // the string. We "mod" the result to make it between 0 (inclusive) and 2^31 // (exclusive) by dropping high bits. var hashed = 0; for (var ii = 0; ii < string.length; ii++) { hashed = (31 * hashed + string.charCodeAt(ii)) | 0; } return smi(hashed); } function hashSymbol(sym) { var hashed = symbolMap[sym]; if (hashed !== undefined) { return hashed; } hashed = nextHash(); symbolMap[sym] = hashed; return hashed; } function hashJSObj(obj) { var hashed; if (usingWeakMap) { hashed = weakMap.get(obj); if (hashed !== undefined) { return hashed; } } hashed = obj[UID_HASH_KEY]; if (hashed !== undefined) { return hashed; } if (!canDefineProperty) { hashed = obj.propertyIsEnumerable && obj.propertyIsEnumerable[UID_HASH_KEY]; if (hashed !== undefined) { return hashed; } hashed = getIENodeHash(obj); if (hashed !== undefined) { return hashed; } } hashed = nextHash(); if (usingWeakMap) { weakMap.set(obj, hashed); } else if (isExtensible !== undefined && isExtensible(obj) === false) { throw new Error('Non-extensible objects are not allowed as keys.'); } else if (canDefineProperty) { Object.defineProperty(obj, UID_HASH_KEY, { enumerable: false, configurable: false, writable: false, value: hashed, }); } else if ( obj.propertyIsEnumerable !== undefined && obj.propertyIsEnumerable === obj.constructor.prototype.propertyIsEnumerable ) { // Since we can't define a non-enumerable property on the object // we'll hijack one of the less-used non-enumerable properties to // save our hash on it. Since this is a function it will not show up in // `JSON.stringify` which is what we want. obj.propertyIsEnumerable = function () { return this.constructor.prototype.propertyIsEnumerable.apply( this, arguments ); }; obj.propertyIsEnumerable[UID_HASH_KEY] = hashed; } else if (obj.nodeType !== undefined) { // At this point we couldn't get the IE `uniqueID` to use as a hash // and we couldn't use a non-enumerable property to exploit the // dontEnum bug so we simply add the `UID_HASH_KEY` on the node // itself. obj[UID_HASH_KEY] = hashed; } else { throw new Error('Unable to set a non-enumerable property on object.'); } return hashed; } // Get references to ES5 object methods. var isExtensible = Object.isExtensible; // True if Object.defineProperty works as expected. IE8 fails this test. var canDefineProperty = (function () { try { Object.defineProperty({}, '@', {}); return true; } catch (e) { return false; } })(); // IE has a `uniqueID` property on DOM nodes. We can construct the hash from it // and avoid memory leaks from the IE cloneNode bug. function getIENodeHash(node) { if (node && node.nodeType > 0) { switch (node.nodeType) { case 1: // Element return node.uniqueID; case 9: // Document return node.documentElement && node.documentElement.uniqueID; } } } function valueOf(obj) { return obj.valueOf !== defaultValueOf && typeof obj.valueOf === 'function' ? obj.valueOf(obj) : obj; } function nextHash() { var nextHash = ++_objHashUID; if (_objHashUID & 0x40000000) { _objHashUID = 0; } return nextHash; } // If possible, use a WeakMap. var usingWeakMap = typeof WeakMap === 'function'; var weakMap; if (usingWeakMap) { weakMap = new WeakMap(); } var symbolMap = Object.create(null); var _objHashUID = 0; var UID_HASH_KEY = '__immutablehash__'; if (typeof Symbol === 'function') { UID_HASH_KEY = Symbol(UID_HASH_KEY); } var STRING_HASH_CACHE_MIN_STRLEN = 16; var STRING_HASH_CACHE_MAX_SIZE = 255; var STRING_HASH_CACHE_SIZE = 0; var stringHashCache = {}; var ToKeyedSequence = /*@__PURE__*/(function (KeyedSeq) { function ToKeyedSequence(indexed, useKeys) { this._iter = indexed; this._useKeys = useKeys; this.size = indexed.size; } if ( KeyedSeq ) ToKeyedSequence.__proto__ = KeyedSeq; ToKeyedSequence.prototype = Object.create( KeyedSeq && KeyedSeq.prototype ); ToKeyedSequence.prototype.constructor = ToKeyedSequence; ToKeyedSequence.prototype.get = function get (key, notSetValue) { return this._iter.get(key, notSetValue); }; ToKeyedSequence.prototype.has = function has (key) { return this._iter.has(key); }; ToKeyedSequence.prototype.valueSeq = function valueSeq () { return this._iter.valueSeq(); }; ToKeyedSequence.prototype.reverse = function reverse () { var this$1$1 = this; var reversedSequence = reverseFactory(this, true); if (!this._useKeys) { reversedSequence.valueSeq = function () { return this$1$1._iter.toSeq().reverse(); }; } return reversedSequence; }; ToKeyedSequence.prototype.map = function map (mapper, context) { var this$1$1 = this; var mappedSequence = mapFactory(this, mapper, context); if (!this._useKeys) { mappedSequence.valueSeq = function () { return this$1$1._iter.toSeq().map(mapper, context); }; } return mappedSequence; }; ToKeyedSequence.prototype.__iterate = function __iterate (fn, reverse) { var this$1$1 = this; return this._iter.__iterate(function (v, k) { return fn(v, k, this$1$1); }, reverse); }; ToKeyedSequence.prototype.__iterator = function __iterator (type, reverse) { return this._iter.__iterator(type, reverse); }; return ToKeyedSequence; }(KeyedSeq)); ToKeyedSequence.prototype[IS_ORDERED_SYMBOL] = true; var ToIndexedSequence = /*@__PURE__*/(function (IndexedSeq) { function ToIndexedSequence(iter) { this._iter = iter; this.size = iter.size; } if ( IndexedSeq ) ToIndexedSequence.__proto__ = IndexedSeq; ToIndexedSequence.prototype = Object.create( IndexedSeq && IndexedSeq.prototype ); ToIndexedSequence.prototype.constructor = ToIndexedSequence; ToIndexedSequence.prototype.includes = function includes (value) { return this._iter.includes(value); }; ToIndexedSequence.prototype.__iterate = function __iterate (fn, reverse) { var this$1$1 = this; var i = 0; reverse && ensureSize(this); return this._iter.__iterate( function (v) { return fn(v, reverse ? this$1$1.size - ++i : i++, this$1$1); }, reverse ); }; ToIndexedSequence.prototype.__iterator = function __iterator (type, reverse) { var this$1$1 = this; var iterator = this._iter.__iterator(ITERATE_VALUES, reverse); var i = 0; reverse && ensureSize(this); return new Iterator(function () { var step = iterator.next(); return step.done ? step : iteratorValue( type, reverse ? this$1$1.size - ++i : i++, step.value, step ); }); }; return ToIndexedSequence; }(IndexedSeq)); var ToSetSequence = /*@__PURE__*/(function (SetSeq) { function ToSetSequence(iter) { this._iter = iter; this.size = iter.size; } if ( SetSeq ) ToSetSequence.__proto__ = SetSeq; ToSetSequence.prototype = Object.create( SetSeq && SetSeq.prototype ); ToSetSequence.prototype.constructor = ToSetSequence; ToSetSequence.prototype.has = function has (key) { return this._iter.includes(key); }; ToSetSequence.prototype.__iterate = function __iterate (fn, reverse) { var this$1$1 = this; return this._iter.__iterate(function (v) { return fn(v, v, this$1$1); }, reverse); }; ToSetSequence.prototype.__iterator = function __iterator (type, reverse) { var iterator = this._iter.__iterator(ITERATE_VALUES, reverse); return new Iterator(function () { var step = iterator.next(); return step.done ? step : iteratorValue(type, step.value, step.value, step); }); }; return ToSetSequence; }(SetSeq)); var FromEntriesSequence = /*@__PURE__*/(function (KeyedSeq) { function FromEntriesSequence(entries) { this._iter = entries; this.size = entries.size; } if ( KeyedSeq ) FromEntriesSequence.__proto__ = KeyedSeq; FromEntriesSequence.prototype = Object.create( KeyedSeq && KeyedSeq.prototype ); FromEntriesSequence.prototype.constructor = FromEntriesSequence; FromEntriesSequence.prototype.entrySeq = function entrySeq () { return this._iter.toSeq(); }; FromEntriesSequence.prototype.__iterate = function __iterate (fn, reverse) { var this$1$1 = this; return this._iter.__iterate(function (entry) { // Check if entry exists first so array access doesn't throw for holes // in the parent iteration. if (entry) { validateEntry(entry); var indexedCollection = isCollection(entry); return fn( indexedCollection ? entry.get(1) : entry[1], indexedCollection ? entry.get(0) : entry[0], this$1$1 ); } }, reverse); }; FromEntriesSequence.prototype.__iterator = function __iterator (type, reverse) { var iterator = this._iter.__iterator(ITERATE_VALUES, reverse); return new Iterator(function () { while (true) { var step = iterator.next(); if (step.done) { return step; } var entry = step.value; // Check if entry exists first so array access doesn't throw for holes // in the parent iteration. if (entry) { validateEntry(entry); var indexedCollection = isCollection(entry); return iteratorValue( type, indexedCollection ? entry.get(0) : entry[0], indexedCollection ? entry.get(1) : entry[1], step ); } } }); }; return FromEntriesSequence; }(KeyedSeq)); ToIndexedSequence.prototype.cacheResult = ToKeyedSequence.prototype.cacheResult = ToSetSequence.prototype.cacheResult = FromEntriesSequence.prototype.cacheResult = cacheResultThrough; function flipFactory(collection) { var flipSequence = makeSequence(collection); flipSequence._iter = collection; flipSequence.size = collection.size; flipSequence.flip = function () { return collection; }; flipSequence.reverse = function () { var reversedSequence = collection.reverse.apply(this); // super.reverse() reversedSequence.flip = function () { return collection.reverse(); }; return reversedSequence; }; flipSequence.has = function (key) { return collection.includes(key); }; flipSequence.includes = function (key) { return collection.has(key); }; flipSequence.cacheResult = cacheResultThrough; flipSequence.__iterateUncached = function (fn, reverse) { var this$1$1 = this; return collection.__iterate(function (v, k) { return fn(k, v, this$1$1) !== false; }, reverse); }; flipSequence.__iteratorUncached = function (type, reverse) { if (type === ITERATE_ENTRIES) { var iterator = collection.__iterator(type, reverse); return new Iterator(function () { var step = iterator.next(); if (!step.done) { var k = step.value[0]; step.value[0] = step.value[1]; step.value[1] = k; } return step; }); } return collection.__iterator( type === ITERATE_VALUES ? ITERATE_KEYS : ITERATE_VALUES, reverse ); }; return flipSequence; } function mapFactory(collection, mapper, context) { var mappedSequence = makeSequence(collection); mappedSequence.size = collection.size; mappedSequence.has = function (key) { return collection.has(key); }; mappedSequence.get = function (key, notSetValue) { var v = collection.get(key, NOT_SET); return v === NOT_SET ? notSetValue : mapper.call(context, v, key, collection); }; mappedSequence.__iterateUncached = function (fn, reverse) { var this$1$1 = this; return collection.__iterate( function (v, k, c) { return fn(mapper.call(context, v, k, c), k, this$1$1) !== false; }, reverse ); }; mappedSequence.__iteratorUncached = function (type, reverse) { var iterator = collection.__iterator(ITERATE_ENTRIES, reverse); return new Iterator(function () { var step = iterator.next(); if (step.done) { return step; } var entry = step.value; var key = entry[0]; return iteratorValue( type, key, mapper.call(context, entry[1], key, collection), step ); }); }; return mappedSequence; } function reverseFactory(collection, useKeys) { var this$1$1 = this; var reversedSequence = makeSequence(collection); reversedSequence._iter = collection; reversedSequence.size = collection.size; reversedSequence.reverse = function () { return collection; }; if (collection.flip) { reversedSequence.flip = function () { var flipSequence = flipFactory(collection); flipSequence.reverse = function () { return collection.flip(); }; return flipSequence; }; } reversedSequence.get = function (key, notSetValue) { return collection.get(useKeys ? key : -1 - key, notSetValue); }; reversedSequence.has = function (key) { return collection.has(useKeys ? key : -1 - key); }; reversedSequence.includes = function (value) { return collection.includes(value); }; reversedSequence.cacheResult = cacheResultThrough; reversedSequence.__iterate = function (fn, reverse) { var this$1$1 = this; var i = 0; reverse && ensureSize(collection); return collection.__iterate( function (v, k) { return fn(v, useKeys ? k : reverse ? this$1$1.size - ++i : i++, this$1$1); }, !reverse ); }; reversedSequence.__iterator = function (type, reverse) { var i = 0; reverse && ensureSize(collection); var iterator = collection.__iterator(ITERATE_ENTRIES, !reverse); return new Iterator(function () { var step = iterator.next(); if (step.done) { return step; } var entry = step.value; return iteratorValue( type, useKeys ? entry[0] : reverse ? this$1$1.size - ++i : i++, entry[1], step ); }); }; return reversedSequence; } function filterFactory(collection, predicate, context, useKeys) { var filterSequence = makeSequence(collection); if (useKeys) { filterSequence.has = function (key) { var v = collection.get(key, NOT_SET); return v !== NOT_SET && !!predicate.call(context, v, key, collection); }; filterSequence.get = function (key, notSetValue) { var v = collection.get(key, NOT_SET); return v !== NOT_SET && predicate.call(context, v, key, collection) ? v : notSetValue; }; } filterSequence.__iterateUncached = function (fn, reverse) { var this$1$1 = this; var iterations = 0; collection.__iterate(function (v, k, c) { if (predicate.call(context, v, k, c)) { iterations++; return fn(v, useKeys ? k : iterations - 1, this$1$1); } }, reverse); return iterations; }; filterSequence.__iteratorUncached = function (type, reverse) { var iterator = collection.__iterator(ITERATE_ENTRIES, reverse); var iterations = 0; return new Iterator(function () { while (true) { var step = iterator.next(); if (step.done) { return step; } var entry = step.value; var key = entry[0]; var value = entry[1]; if (predicate.call(context, value, key, collection)) { return iteratorValue(type, useKeys ? key : iterations++, value, step); } } }); }; return filterSequence; } function countByFactory(collection, grouper, context) { var groups = Map().asMutable(); collection.__iterate(function (v, k) { groups.update(grouper.call(context, v, k, collection), 0, function (a) { return a + 1; }); }); return groups.asImmutable(); } function groupByFactory(collection, grouper, context) { var isKeyedIter = isKeyed(collection); var groups = (isOrdered(collection) ? OrderedMap() : Map()).asMutable(); collection.__iterate(function (v, k) { groups.update( grouper.call(context, v, k, collection), function (a) { return ((a = a || []), a.push(isKeyedIter ? [k, v] : v), a); } ); }); var coerce = collectionClass(collection); return groups.map(function (arr) { return reify(collection, coerce(arr)); }).asImmutable(); } function partitionFactory(collection, predicate, context) { var isKeyedIter = isKeyed(collection); var groups = [[], []]; collection.__iterate(function (v, k) { groups[predicate.call(context, v, k, collection) ? 1 : 0].push( isKeyedIter ? [k, v] : v ); }); var coerce = collectionClass(collection); return groups.map(function (arr) { return reify(collection, coerce(arr)); }); } function sliceFactory(collection, begin, end, useKeys) { var originalSize = collection.size; if (wholeSlice(begin, end, originalSize)) { return collection; } var resolvedBegin = resolveBegin(begin, originalSize); var resolvedEnd = resolveEnd(end, originalSize); // begin or end will be NaN if they were provided as negative numbers and // this collection's size is unknown. In that case, cache first so there is // a known size and these do not resolve to NaN. if (resolvedBegin !== resolvedBegin || resolvedEnd !== resolvedEnd) { return sliceFactory(collection.toSeq().cacheResult(), begin, end, useKeys); } // Note: resolvedEnd is undefined when the original sequence's length is // unknown and this slice did not supply an end and should contain all // elements after resolvedBegin. // In that case, resolvedSize will be NaN and sliceSize will remain undefined. var resolvedSize = resolvedEnd - resolvedBegin; var sliceSize; if (resolvedSize === resolvedSize) { sliceSize = resolvedSize < 0 ? 0 : resolvedSize; } var sliceSeq = makeSequence(collection); // If collection.size is undefined, the size of the realized sliceSeq is // unknown at this point unless the number of items to slice is 0 sliceSeq.size = sliceSize === 0 ? sliceSize : (collection.size && sliceSize) || undefined; if (!useKeys && isSeq(collection) && sliceSize >= 0) { sliceSeq.get = function (index, notSetValue) { index = wrapIndex(this, index); return index >= 0 && index < sliceSize ? collection.get(index + resolvedBegin, notSetValue) : notSetValue; }; } sliceSeq.__iterateUncached = function (fn, reverse) { var this$1$1 = this; if (sliceSize === 0) { return 0; } if (reverse) { return this.cacheResult().__iterate(fn, reverse); } var skipped = 0; var isSkipping = true; var iterations = 0; collection.__iterate(function (v, k) { if (!(isSkipping && (isSkipping = skipped++ < resolvedBegin))) { iterations++; return ( fn(v, useKeys ? k : iterations - 1, this$1$1) !== false && iterations !== sliceSize ); } }); return iterations; }; sliceSeq.__iteratorUncached = function (type, reverse) { if (sliceSize !== 0 && reverse) { return this.cacheResult().__iterator(type, reverse); } // Don't bother instantiating parent iterator if taking 0. if (sliceSize === 0) { return new Iterator(iteratorDone); } var iterator = collection.__iterator(type, reverse); var skipped = 0; var iterations = 0; return new Iterator(function () { while (skipped++ < resolvedBegin) { iterator.next(); } if (++iterations > sliceSize) { return iteratorDone(); } var step = iterator.next(); if (useKeys || type === ITERATE_VALUES || step.done) { return step; } if (type === ITERATE_KEYS) { return iteratorValue(type, iterations - 1, undefined, step); } return iteratorValue(type, iterations - 1, step.value[1], step); }); }; return sliceSeq; } function takeWhileFactory(collection, predicate, context) { var takeSequence = makeSequence(collection); takeSequence.__iterateUncached = function (fn, reverse) { var this$1$1 = this; if (reverse) { return this.cacheResult().__iterate(fn, reverse); } var iterations = 0; collection.__iterate( function (v, k, c) { return predicate.call(context, v, k, c) && ++iterations && fn(v, k, this$1$1); } ); return iterations; }; takeSequence.__iteratorUncached = function (type, reverse) { var this$1$1 = this; if (reverse) { return this.cacheResult().__iterator(type, reverse); } var iterator = collection.__iterator(ITERATE_ENTRIES, reverse); var iterating = true; return new Iterator(function () { if (!iterating) { return iteratorDone(); } var step = iterator.next(); if (step.done) { return step; } var entry = step.value; var k = entry[0]; var v = entry[1]; if (!predicate.call(context, v, k, this$1$1)) { iterating = false; return iteratorDone(); } return type === ITERATE_ENTRIES ? step : iteratorValue(type, k, v, step); }); }; return takeSequence; } function skipWhileFactory(collection, predicate, context, useKeys) { var skipSequence = makeSequence(collection); skipSequence.__iterateUncached = function (fn, reverse) { var this$1$1 = this; if (reverse) { return this.cacheResult().__iterate(fn, reverse); } var isSkipping = true; var iterations = 0; collection.__iterate(function (v, k, c) { if (!(isSkipping && (isSkipping = predicate.call(context, v, k, c)))) { iterations++; return fn(v, useKeys ? k : iterations - 1, this$1$1); } }); return iterations; }; skipSequence.__iteratorUncached = function (type, reverse) { var this$1$1 = this; if (reverse) { return this.cacheResult().__iterator(type, reverse); } var iterator = collection.__iterator(ITERATE_ENTRIES, reverse); var skipping = true; var iterations = 0; return new Iterator(function () { var step; var k; var v; do { step = iterator.next(); if (step.done) { if (useKeys || type === ITERATE_VALUES) { return step; } if (type === ITERATE_KEYS) { return iteratorValue(type, iterations++, undefined, step); } return iteratorValue(type, iterations++, step.value[1], step); } var entry = step.value; k = entry[0]; v = entry[1]; skipping && (skipping = predicate.call(context, v, k, this$1$1)); } while (skipping); return type === ITERATE_ENTRIES ? step : iteratorValue(type, k, v, step); }); }; return skipSequence; } function concatFactory(collection, values) { var isKeyedCollection = isKeyed(collection); var iters = [collection] .concat(values) .map(function (v) { if (!isCollection(v)) { v = isKeyedCollection ? keyedSeqFromValue(v) : indexedSeqFromValue(Array.isArray(v) ? v : [v]); } else if (isKeyedCollection) { v = KeyedCollection(v); } return v; }) .filter(function (v) { return v.size !== 0; }); if (iters.length === 0) { return collection; } if (iters.length === 1) { var singleton = iters[0]; if ( singleton === collection || (isKeyedCollection && isKeyed(singleton)) || (isIndexed(collection) && isIndexed(singleton)) ) { return singleton; } } var concatSeq = new ArraySeq(iters); if (isKeyedCollection) { concatSeq = concatSeq.toKeyedSeq(); } else if (!isIndexed(collection)) { concatSeq = concatSeq.toSetSeq(); } concatSeq = concatSeq.flatten(true); concatSeq.size = iters.reduce(function (sum, seq) { if (sum !== undefined) { var size = seq.size; if (size !== undefined) { return sum + size; } } }, 0); return concatSeq; } function flattenFactory(collection, depth, useKeys) { var flatSequence = makeSequence(collection); flatSequence.__iterateUncached = function (fn, reverse) { if (reverse) { return this.cacheResult().__iterate(fn, reverse); } var iterations = 0; var stopped = false; function flatDeep(iter, currentDepth) { iter.__iterate(function (v, k) { if ((!depth || currentDepth < depth) && isCollection(v)) { flatDeep(v, currentDepth + 1); } else { iterations++; if (fn(v, useKeys ? k : iterations - 1, flatSequence) === false) { stopped = true; } } return !stopped; }, reverse); } flatDeep(collection, 0); return iterations; }; flatSequence.__iteratorUncached = function (type, reverse) { if (reverse) { return this.cacheResult().__iterator(type, reverse); } var iterator = collection.__iterator(type, reverse); var stack = []; var iterations = 0; return new Iterator(function () { while (iterator) { var step = iterator.next(); if (step.done !== false) { iterator = stack.pop(); continue; } var v = step.value; if (type === ITERATE_ENTRIES) { v = v[1]; } if ((!depth || stack.length < depth) && isCollection(v)) { stack.push(iterator); iterator = v.__iterator(type, reverse); } else { return useKeys ? step : iteratorValue(type, iterations++, v, step); } } return iteratorDone(); }); }; return flatSequence; } function flatMapFactory(collection, mapper, context) { var coerce = collectionClass(collection); return collection .toSeq() .map(function (v, k) { return coerce(mapper.call(context, v, k, collection)); }) .flatten(true); } function interposeFactory(collection, separator) { var interposedSequence = makeSequence(collection); interposedSequence.size = collection.size && collection.size * 2 - 1; interposedSequence.__iterateUncached = function (fn, reverse) { var this$1$1 = this; var iterations = 0; collection.__iterate( function (v) { return (!iterations || fn(separator, iterations++, this$1$1) !== false) && fn(v, iterations++, this$1$1) !== false; }, reverse ); return iterations; }; interposedSequence.__iteratorUncached = function (type, reverse) { var iterator = collection.__iterator(ITERATE_VALUES, reverse); var iterations = 0; var step; return new Iterator(function () { if (!step || iterations % 2) { step = iterator.next(); if (step.done) { return step; } } return iterations % 2 ? iteratorValue(type, iterations++, separator) : iteratorValue(type, iterations++, step.value, step); }); }; return interposedSequence; } function sortFactory(collection, comparator, mapper) { if (!comparator) { comparator = defaultComparator; } var isKeyedCollection = isKeyed(collection); var index = 0; var entries = collection .toSeq() .map(function (v, k) { return [k, v, index++, mapper ? mapper(v, k, collection) : v]; }) .valueSeq() .toArray(); entries .sort(function (a, b) { return comparator(a[3], b[3]) || a[2] - b[2]; }) .forEach( isKeyedCollection ? function (v, i) { entries[i].length = 2; } : function (v, i) { entries[i] = v[1]; } ); return isKeyedCollection ? KeyedSeq(entries) : isIndexed(collection) ? IndexedSeq(entries) : SetSeq(entries); } function maxFactory(collection, comparator, mapper) { if (!comparator) { comparator = defaultComparator; } if (mapper) { var entry = collection .toSeq() .map(function (v, k) { return [v, mapper(v, k, collection)]; }) .reduce(function (a, b) { return (maxCompare(comparator, a[1], b[1]) ? b : a); }); return entry && entry[0]; } return collection.reduce(function (a, b) { return (maxCompare(comparator, a, b) ? b : a); }); } function maxCompare(comparator, a, b) { var comp = comparator(b, a); // b is considered the new max if the comparator declares them equal, but // they are not equal and b is in fact a nullish value. return ( (comp === 0 && b !== a && (b === undefined || b === null || b !== b)) || comp > 0 ); } function zipWithFactory(keyIter, zipper, iters, zipAll) { var zipSequence = makeSequence(keyIter); var sizes = new ArraySeq(iters).map(function (i) { return i.size; }); zipSequence.size = zipAll ? sizes.max() : sizes.min(); // Note: this a generic base implementation of __iterate in terms of // __iterator which may be more generically useful in the future. zipSequence.__iterate = function (fn, reverse) { /* generic: var iterator = this.__iterator(ITERATE_ENTRIES, reverse); var step; var iterations = 0; while (!(step = iterator.next()).done) { iterations++; if (fn(step.value[1], step.value[0], this) === false) { break; } } return iterations; */ // indexed: var iterator = this.__iterator(ITERATE_VALUES, reverse); var step; var iterations = 0; while (!(step = iterator.next()).done) { if (fn(step.value, iterations++, this) === false) { break; } } return iterations; }; zipSequence.__iteratorUncached = function (type, reverse) { var iterators = iters.map( function (i) { return ((i = Collection(i)), getIterator(reverse ? i.reverse() : i)); } ); var iterations = 0; var isDone = false; return new Iterator(function () { var steps; if (!isDone) { steps = iterators.map(function (i) { return i.next(); }); isDone = zipAll ? steps.every(function (s) { return s.done; }) : steps.some(function (s) { return s.done; }); } if (isDone) { return iteratorDone(); } return iteratorValue( type, iterations++, zipper.apply( null, steps.map(function (s) { return s.value; }) ) ); }); }; return zipSequence; } // #pragma Helper Functions function reify(iter, seq) { return iter === seq ? iter : isSeq(iter) ? seq : iter.constructor(seq); } function validateEntry(entry) { if (entry !== Object(entry)) { throw new TypeError('Expected [K, V] tuple: ' + entry); } } function collectionClass(collection) { return isKeyed(collection) ? KeyedCollection : isIndexed(collection) ? IndexedCollection : SetCollection; } function makeSequence(collection) { return Object.create( (isKeyed(collection) ? KeyedSeq : isIndexed(collection) ? IndexedSeq : SetSeq ).prototype ); } function cacheResultThrough() { if (this._iter.cacheResult) { this._iter.cacheResult(); this.size = this._iter.size; return this; } return Seq.prototype.cacheResult.call(this); } function defaultComparator(a, b) { if (a === undefined && b === undefined) { return 0; } if (a === undefined) { return 1; } if (b === undefined) { return -1; } return a > b ? 1 : a < b ? -1 : 0; } function arrCopy(arr, offset) { offset = offset || 0; var len = Math.max(0, arr.length - offset); var newArr = new Array(len); for (var ii = 0; ii < len; ii++) { newArr[ii] = arr[ii + offset]; } return newArr; } function invariant(condition, error) { if (!condition) { throw new Error(error); } } function assertNotInfinite(size) { invariant( size !== Infinity, 'Cannot perform this action with an infinite size.' ); } function coerceKeyPath(keyPath) { if (isArrayLike(keyPath) && typeof keyPath !== 'string') { return keyPath; } if (isOrdered(keyPath)) { return keyPath.toArray(); } throw new TypeError( 'Invalid keyPath: expected Ordered Collection or Array: ' + keyPath ); } var toString = Object.prototype.toString; function isPlainObject(value) { // The base prototype's toString deals with Argument objects and native namespaces like Math if ( !value || typeof value !== 'object' || toString.call(value) !== '[object Object]' ) { return false; } var proto = Object.getPrototypeOf(value); if (proto === null) { return true; } // Iteratively going up the prototype chain is needed for cross-realm environments (differing contexts, iframes, etc) var parentProto = proto; var nextProto = Object.getPrototypeOf(proto); while (nextProto !== null) { parentProto = nextProto; nextProto = Object.getPrototypeOf(parentProto); } return parentProto === proto; } /** * Returns true if the value is a potentially-persistent data structure, either * provided by Immutable.js or a plain Array or Object. */ function isDataStructure(value) { return ( typeof value === 'object' && (isImmutable(value) || Array.isArray(value) || isPlainObject(value)) ); } function quoteString(value) { try { return typeof value === 'string' ? JSON.stringify(value) : String(value); } catch (_ignoreError) { return JSON.stringify(value); } } function has(collection, key) { return isImmutable(collection) ? collection.has(key) : isDataStructure(collection) && hasOwnProperty.call(collection, key); } function get(collection, key, notSetValue) { return isImmutable(collection) ? collection.get(key, notSetValue) : !has(collection, key) ? notSetValue : typeof collection.get === 'function' ? collection.get(key) : collection[key]; } function shallowCopy(from) { if (Array.isArray(from)) { return arrCopy(from); } var to = {}; for (var key in from) { if (hasOwnProperty.call(from, key)) { to[key] = from[key]; } } return to; } function remove(collection, key) { if (!isDataStructure(collection)) { throw new TypeError( 'Cannot update non-data-structure value: ' + collection ); } if (isImmutable(collection)) { if (!collection.remove) { throw new TypeError( 'Cannot update immutable value without .remove() method: ' + collection ); } return collection.remove(key); } if (!hasOwnProperty.call(collection, key)) { return collection; } var collectionCopy = shallowCopy(collection); if (Array.isArray(collectionCopy)) { collectionCopy.splice(key, 1); } else { delete collectionCopy[key]; } return collectionCopy; } function set(collection, key, value) { if (!isDataStructure(collection)) { throw new TypeError( 'Cannot update non-data-structure value: ' + collection ); } if (isImmutable(collection)) { if (!collection.set) { throw new TypeError( 'Cannot update immutable value without .set() method: ' + collection ); } return collection.set(key, value); } if (hasOwnProperty.call(collection, key) && value === collection[key]) { return collection; } var collectionCopy = shallowCopy(collection); collectionCopy[key] = value; return collectionCopy; } function updateIn$1(collection, keyPath, notSetValue, updater) { if (!updater) { updater = notSetValue; notSetValue = undefined; } var updatedValue = updateInDeeply( isImmutable(collection), collection, coerceKeyPath(keyPath), 0, notSetValue, updater ); return updatedValue === NOT_SET ? notSetValue : updatedValue; } function updateInDeeply( inImmutable, existing, keyPath, i, notSetValue, updater ) { var wasNotSet = existing === NOT_SET; if (i === keyPath.length) { var existingValue = wasNotSet ? notSetValue : existing; var newValue = updater(existingValue); return newValue === existingValue ? existing : newValue; } if (!wasNotSet && !isDataStructure(existing)) { throw new TypeError( 'Cannot update within non-data-structure value in path [' + keyPath.slice(0, i).map(quoteString) + ']: ' + existing ); } var key = keyPath[i]; var nextExisting = wasNotSet ? NOT_SET : get(existing, key, NOT_SET); var nextUpdated = updateInDeeply( nextExisting === NOT_SET ? inImmutable : isImmutable(nextExisting), nextExisting, keyPath, i + 1, notSetValue, updater ); return nextUpdated === nextExisting ? existing : nextUpdated === NOT_SET ? remove(existing, key) : set( wasNotSet ? (inImmutable ? emptyMap() : {}) : existing, key, nextUpdated ); } function setIn$1(collection, keyPath, value) { return updateIn$1(collection, keyPath, NOT_SET, function () { return value; }); } function setIn(keyPath, v) { return setIn$1(this, keyPath, v); } function removeIn(collection, keyPath) { return updateIn$1(collection, keyPath, function () { return NOT_SET; }); } function deleteIn(keyPath) { return removeIn(this, keyPath); } function update$1(collection, key, notSetValue, updater) { return updateIn$1(collection, [key], notSetValue, updater); } function update(key, notSetValue, updater) { return arguments.length === 1 ? key(this) : update$1(this, key, notSetValue, updater); } function updateIn(keyPath, notSetValue, updater) { return updateIn$1(this, keyPath, notSetValue, updater); } function merge$1() { var iters = [], len = arguments.length; while ( len-- ) iters[ len ] = arguments[ len ]; return mergeIntoKeyedWith(this, iters); } function mergeWith$1(merger) { var iters = [], len = arguments.length - 1; while ( len-- > 0 ) iters[ len ] = arguments[ len + 1 ]; if (typeof merger !== 'function') { throw new TypeError('Invalid merger function: ' + merger); } return mergeIntoKeyedWith(this, iters, merger); } function mergeIntoKeyedWith(collection, collections, merger) { var iters = []; for (var ii = 0; ii < collections.length; ii++) { var collection$1 = KeyedCollection(collections[ii]); if (collection$1.size !== 0) { iters.push(collection$1); } } if (iters.length === 0) { return collection; } if ( collection.toSeq().size === 0 && !collection.__ownerID && iters.length === 1 ) { return collection.constructor(iters[0]); } return collection.withMutations(function (collection) { var mergeIntoCollection = merger ? function (value, key) { update$1(collection, key, NOT_SET, function (oldVal) { return oldVal === NOT_SET ? value : merger(oldVal, value, key); } ); } : function (value, key) { collection.set(key, value); }; for (var ii = 0; ii < iters.length; ii++) { iters[ii].forEach(mergeIntoCollection); } }); } function merge(collection) { var sources = [], len = arguments.length - 1; while ( len-- > 0 ) sources[ len ] = arguments[ len + 1 ]; return mergeWithSources(collection, sources); } function mergeWith(merger, collection) { var sources = [], len = arguments.length - 2; while ( len-- > 0 ) sources[ len ] = arguments[ len + 2 ]; return mergeWithSources(collection, sources, merger); } function mergeDeep$1(collection) { var sources = [], len = arguments.length - 1; while ( len-- > 0 ) sources[ len ] = arguments[ len + 1 ]; return mergeDeepWithSources(collection, sources); } function mergeDeepWith$1(merger, collection) { var sources = [], len = arguments.length - 2; while ( len-- > 0 ) sources[ len ] = arguments[ len + 2 ]; return mergeDeepWithSources(collection, sources, merger); } function mergeDeepWithSources(collection, sources, merger) { return mergeWithSources(collection, sources, deepMergerWith(merger)); } function mergeWithSources(collection, sources, merger) { if (!isDataStructure(collection)) { throw new TypeError( 'Cannot merge into non-data-structure value: ' + collection ); } if (isImmutable(collection)) { return typeof merger === 'function' && collection.mergeWith ? collection.mergeWith.apply(collection, [ merger ].concat( sources )) : collection.merge ? collection.merge.apply(collection, sources) : collection.concat.apply(collection, sources); } var isArray = Array.isArray(collection); var merged = collection; var Collection = isArray ? IndexedCollection : KeyedCollection; var mergeItem = isArray ? function (value) { // Copy on write if (merged === collection) { merged = shallowCopy(merged); } merged.push(value); } : function (value, key) { var hasVal = hasOwnProperty.call(merged, key); var nextVal = hasVal && merger ? merger(merged[key], value, key) : value; if (!hasVal || nextVal !== merged[key]) { // Copy on write if (merged === collection) { merged = shallowCopy(merged); } merged[key] = nextVal; } }; for (var i = 0; i < sources.length; i++) { Collection(sources[i]).forEach(mergeItem); } return merged; } function deepMergerWith(merger) { function deepMerger(oldValue, newValue, key) { return isDataStructure(oldValue) && isDataStructure(newValue) && areMergeable(oldValue, newValue) ? mergeWithSources(oldValue, [newValue], deepMerger) : merger ? merger(oldValue, newValue, key) : newValue; } return deepMerger; } /** * It's unclear what the desired behavior is for merging two collections that * fall into separate categories between keyed, indexed, or set-like, so we only * consider them mergeable if they fall into the same category. */ function areMergeable(oldDataStructure, newDataStructure) { var oldSeq = Seq(oldDataStructure); var newSeq = Seq(newDataStructure); // This logic assumes that a sequence can only fall into one of the three // categories mentioned above (since there's no `isSetLike()` method). return ( isIndexed(oldSeq) === isIndexed(newSeq) && isKeyed(oldSeq) === isKeyed(newSeq) ); } function mergeDeep() { var iters = [], len = arguments.length; while ( len-- ) iters[ len ] = arguments[ len ]; return mergeDeepWithSources(this, iters); } function mergeDeepWith(merger) { var iters = [], len = arguments.length - 1; while ( len-- > 0 ) iters[ len ] = arguments[ len + 1 ]; return mergeDeepWithSources(this, iters, merger); } function mergeIn(keyPath) { var iters = [], len = arguments.length - 1; while ( len-- > 0 ) iters[ len ] = arguments[ len + 1 ]; return updateIn$1(this, keyPath, emptyMap(), function (m) { return mergeWithSources(m, iters); }); } function mergeDeepIn(keyPath) { var iters = [], len = arguments.length - 1; while ( len-- > 0 ) iters[ len ] = arguments[ len + 1 ]; return updateIn$1(this, keyPath, emptyMap(), function (m) { return mergeDeepWithSources(m, iters); } ); } function withMutations(fn) { var mutable = this.asMutable(); fn(mutable); return mutable.wasAltered() ? mutable.__ensureOwner(this.__ownerID) : this; } function asMutable() { return this.__ownerID ? this : this.__ensureOwner(new OwnerID()); } function asImmutable() { return this.__ensureOwner(); } function wasAltered() { return this.__altered; } var Map = /*@__PURE__*/(function (KeyedCollection) { function Map(value) { return value === undefined || value === null ? emptyMap() : isMap(value) && !isOrdered(value) ? value : emptyMap().withMutations(function (map) { var iter = KeyedCollection(value); assertNotInfinite(iter.size); iter.forEach(function (v, k) { return map.set(k, v); }); }); } if ( KeyedCollection ) Map.__proto__ = KeyedCollection; Map.prototype = Object.create( KeyedCollection && KeyedCollection.prototype ); Map.prototype.constructor = Map; Map.of = function of () { var keyValues = [], len = arguments.length; while ( len-- ) keyValues[ len ] = arguments[ len ]; return emptyMap().withMutations(function (map) { for (var i = 0; i < keyValues.length; i += 2) { if (i + 1 >= keyValues.length) { throw new Error('Missing value for key: ' + keyValues[i]); } map.set(keyValues[i], keyValues[i + 1]); } }); }; Map.prototype.toString = function toString () { return this.__toString('Map {', '}'); }; // @pragma Access Map.prototype.get = function get (k, notSetValue) { return this._root ? this._root.get(0, undefined, k, notSetValue) : notSetValue; }; // @pragma Modification Map.prototype.set = function set (k, v) { return updateMap(this, k, v); }; Map.prototype.remove = function remove (k) { return updateMap(this, k, NOT_SET); }; Map.prototype.deleteAll = function deleteAll (keys) { var collection = Collection(keys); if (collection.size === 0) { return this; } return this.withMutations(function (map) { collection.forEach(function (key) { return map.remove(key); }); }); }; Map.prototype.clear = function clear () { if (this.size === 0) { return this; } if (this.__ownerID) { this.size = 0; this._root = null; this.__hash = undefined; this.__altered = true; return this; } return emptyMap(); }; // @pragma Composition Map.prototype.sort = function sort (comparator) { // Late binding return OrderedMap(sortFactory(this, comparator)); }; Map.prototype.sortBy = function sortBy (mapper, comparator) { // Late binding return OrderedMap(sortFactory(this, comparator, mapper)); }; Map.prototype.map = function map (mapper, context) { var this$1$1 = this; return this.withMutations(function (map) { map.forEach(function (value, key) { map.set(key, mapper.call(context, value, key, this$1$1)); }); }); }; // @pragma Mutability Map.prototype.__iterator = function __iterator (type, reverse) { return new MapIterator(this, type, reverse); }; Map.prototype.__iterate = function __iterate (fn, reverse) { var this$1$1 = this; var iterations = 0; this._root && this._root.iterate(function (entry) { iterations++; return fn(entry[1], entry[0], this$1$1); }, reverse); return iterations; }; Map.prototype.__ensureOwner = function __ensureOwner (ownerID) { if (ownerID === this.__ownerID) { return this; } if (!ownerID) { if (this.size === 0) { return emptyMap(); } this.__ownerID = ownerID; this.__altered = false; return this; } return makeMap(this.size, this._root, ownerID, this.__hash); }; return Map; }(KeyedCollection)); Map.isMap = isMap; var MapPrototype = Map.prototype; MapPrototype[IS_MAP_SYMBOL] = true; MapPrototype[DELETE] = MapPrototype.remove; MapPrototype.removeAll = MapPrototype.deleteAll; MapPrototype.setIn = setIn; MapPrototype.removeIn = MapPrototype.deleteIn = deleteIn; MapPrototype.update = update; MapPrototype.updateIn = updateIn; MapPrototype.merge = MapPrototype.concat = merge$1; MapPrototype.mergeWith = mergeWith$1; MapPrototype.mergeDeep = mergeDeep; MapPrototype.mergeDeepWith = mergeDeepWith; MapPrototype.mergeIn = mergeIn; MapPrototype.mergeDeepIn = mergeDeepIn; MapPrototype.withMutations = withMutations; MapPrototype.wasAltered = wasAltered; MapPrototype.asImmutable = asImmutable; MapPrototype['@@transducer/init'] = MapPrototype.asMutable = asMutable; MapPrototype['@@transducer/step'] = function (result, arr) { return result.set(arr[0], arr[1]); }; MapPrototype['@@transducer/result'] = function (obj) { return obj.asImmutable(); }; // #pragma Trie Nodes var ArrayMapNode = function ArrayMapNode(ownerID, entries) { this.ownerID = ownerID; this.entries = entries; }; ArrayMapNode.prototype.get = function get (shift, keyHash, key, notSetValue) { var entries = this.entries; for (var ii = 0, len = entries.length; ii < len; ii++) { if (is(key, entries[ii][0])) { return entries[ii][1]; } } return notSetValue; }; ArrayMapNode.prototype.update = function update (ownerID, shift, keyHash, key, value, didChangeSize, didAlter) { var removed = value === NOT_SET; var entries = this.entries; var idx = 0; var len = entries.length; for (; idx < len; idx++) { if (is(key, entries[idx][0])) { break; } } var exists = idx < len; if (exists ? entries[idx][1] === value : removed) { return this; } SetRef(didAlter); (removed || !exists) && SetRef(didChangeSize); if (removed && entries.length === 1) { return; // undefined } if (!exists && !removed && entries.length >= MAX_ARRAY_MAP_SIZE) { return createNodes(ownerID, entries, key, value); } var isEditable = ownerID && ownerID === this.ownerID; var newEntries = isEditable ? entries : arrCopy(entries); if (exists) { if (removed) { idx === len - 1 ? newEntries.pop() : (newEntries[idx] = newEntries.pop()); } else { newEntries[idx] = [key, value]; } } else { newEntries.push([key, value]); } if (isEditable) { this.entries = newEntries; return this; } return new ArrayMapNode(ownerID, newEntries); }; var BitmapIndexedNode = function BitmapIndexedNode(ownerID, bitmap, nodes) { this.ownerID = ownerID; this.bitmap = bitmap; this.nodes = nodes; }; BitmapIndexedNode.prototype.get = function get (shift, keyHash, key, notSetValue) { if (keyHash === undefined) { keyHash = hash(key); } var bit = 1 << ((shift === 0 ? keyHash : keyHash >>> shift) & MASK); var bitmap = this.bitmap; return (bitmap & bit) === 0 ? notSetValue : this.nodes[popCount(bitmap & (bit - 1))].get( shift + SHIFT, keyHash, key, notSetValue ); }; BitmapIndexedNode.prototype.update = function update (ownerID, shift, keyHash, key, value, didChangeSize, didAlter) { if (keyHash === undefined) { keyHash = hash(key); } var keyHashFrag = (shift === 0 ? keyHash : keyHash >>> shift) & MASK; var bit = 1 << keyHashFrag; var bitmap = this.bitmap; var exists = (bitmap & bit) !== 0; if (!exists && value === NOT_SET) { return this; } var idx = popCount(bitmap & (bit - 1)); var nodes = this.nodes; var node = exists ? nodes[idx] : undefined; var newNode = updateNode( node, ownerID, shift + SHIFT, keyHash, key, value, didChangeSize, didAlter ); if (newNode === node) { return this; } if (!exists && newNode && nodes.length >= MAX_BITMAP_INDEXED_SIZE) { return expandNodes(ownerID, nodes, bitmap, keyHashFrag, newNode); } if ( exists && !newNode && nodes.length === 2 && isLeafNode(nodes[idx ^ 1]) ) { return nodes[idx ^ 1]; } if (exists && newNode && nodes.length === 1 && isLeafNode(newNode)) { return newNode; } var isEditable = ownerID && ownerID === this.ownerID; var newBitmap = exists ? (newNode ? bitmap : bitmap ^ bit) : bitmap | bit; var newNodes = exists ? newNode ? setAt(nodes, idx, newNode, isEditable) : spliceOut(nodes, idx, isEditable) : spliceIn(nodes, idx, newNode, isEditable); if (isEditable) { this.bitmap = newBitmap; this.nodes = newNodes; return this; } return new BitmapIndexedNode(ownerID, newBitmap, newNodes); }; var HashArrayMapNode = function HashArrayMapNode(ownerID, count, nodes) { this.ownerID = ownerID; this.count = count; this.nodes = nodes; }; HashArrayMapNode.prototype.get = function get (shift, keyHash, key, notSetValue) { if (keyHash === undefined) { keyHash = hash(key); } var idx = (shift === 0 ? keyHash : keyHash >>> shift) & MASK; var node = this.nodes[idx]; return node ? node.get(shift + SHIFT, keyHash, key, notSetValue) : notSetValue; }; HashArrayMapNode.prototype.update = function update (ownerID, shift, keyHash, key, value, didChangeSize, didAlter) { if (keyHash === undefined) { keyHash = hash(key); } var idx = (shift === 0 ? keyHash : keyHash >>> shift) & MASK; var removed = value === NOT_SET; var nodes = this.nodes; var node = nodes[idx]; if (removed && !node) { return this; } var newNode = updateNode( node, ownerID, shift + SHIFT, keyHash, key, value, didChangeSize, didAlter ); if (newNode === node) { return this; } var newCount = this.count; if (!node) { newCount++; } else if (!newNode) { newCount--; if (newCount < MIN_HASH_ARRAY_MAP_SIZE) { return packNodes(ownerID, nodes, newCount, idx); } } var isEditable = ownerID && ownerID === this.ownerID; var newNodes = setAt(nodes, idx, newNode, isEditable); if (isEditable) { this.count = newCount; this.nodes = newNodes; return this; } return new HashArrayMapNode(ownerID, newCount, newNodes); }; var HashCollisionNode = function HashCollisionNode(ownerID, keyHash, entries) { this.ownerID = ownerID; this.keyHash = keyHash; this.entries = entries; }; HashCollisionNode.prototype.get = function get (shift, keyHash, key, notSetValue) { var entries = this.entries; for (var ii = 0, len = entries.length; ii < len; ii++) { if (is(key, entries[ii][0])) { return entries[ii][1]; } } return notSetValue; }; HashCollisionNode.prototype.update = function update (ownerID, shift, keyHash, key, value, didChangeSize, didAlter) { if (keyHash === undefined) { keyHash = hash(key); } var removed = value === NOT_SET; if (keyHash !== this.keyHash) { if (removed) { return this; } SetRef(didAlter); SetRef(didChangeSize); return mergeIntoNode(this, ownerID, shift, keyHash, [key, value]); } var entries = this.entries; var idx = 0; var len = entries.length; for (; idx < len; idx++) { if (is(key, entries[idx][0])) { break; } } var exists = idx < len; if (exists ? entries[idx][1] === value : removed) { return this; } SetRef(didAlter); (removed || !exists) && SetRef(didChangeSize); if (removed && len === 2) { return new ValueNode(ownerID, this.keyHash, entries[idx ^ 1]); } var isEditable = ownerID && ownerID === this.ownerID; var newEntries = isEditable ? entries : arrCopy(entries); if (exists) { if (removed) { idx === len - 1 ? newEntries.pop() : (newEntries[idx] = newEntries.pop()); } else { newEntries[idx] = [key, value]; } } else { newEntries.push([key, value]); } if (isEditable) { this.entries = newEntries; return this; } return new HashCollisionNode(ownerID, this.keyHash, newEntries); }; var ValueNode = function ValueNode(ownerID, keyHash, entry) { this.ownerID = ownerID; this.keyHash = keyHash; this.entry = entry; }; ValueNode.prototype.get = function get (shift, keyHash, key, notSetValue) { return is(key, this.entry[0]) ? this.entry[1] : notSetValue; }; ValueNode.prototype.update = function update (ownerID, shift, keyHash, key, value, didChangeSize, didAlter) { var removed = value === NOT_SET; var keyMatch = is(key, this.entry[0]); if (keyMatch ? value === this.entry[1] : removed) { return this; } SetRef(didAlter); if (removed) { SetRef(didChangeSize); return; // undefined } if (keyMatch) { if (ownerID && ownerID === this.ownerID) { this.entry[1] = value; return this; } return new ValueNode(ownerID, this.keyHash, [key, value]); } SetRef(didChangeSize); return mergeIntoNode(this, ownerID, shift, hash(key), [key, value]); }; // #pragma Iterators ArrayMapNode.prototype.iterate = HashCollisionNode.prototype.iterate = function (fn, reverse) { var entries = this.entries; for (var ii = 0, maxIndex = entries.length - 1; ii <= maxIndex; ii++) { if (fn(entries[reverse ? maxIndex - ii : ii]) === false) { return false; } } }; BitmapIndexedNode.prototype.iterate = HashArrayMapNode.prototype.iterate = function (fn, reverse) { var nodes = this.nodes; for (var ii = 0, maxIndex = nodes.length - 1; ii <= maxIndex; ii++) { var node = nodes[reverse ? maxIndex - ii : ii]; if (node && node.iterate(fn, reverse) === false) { return false; } } }; // eslint-disable-next-line no-unused-vars ValueNode.prototype.iterate = function (fn, reverse) { return fn(this.entry); }; var MapIterator = /*@__PURE__*/(function (Iterator) { function MapIterator(map, type, reverse) { this._type = type; this._reverse = reverse; this._stack = map._root && mapIteratorFrame(map._root); } if ( Iterator ) MapIterator.__proto__ = Iterator; MapIterator.prototype = Object.create( Iterator && Iterator.prototype ); MapIterator.prototype.constructor = MapIterator; MapIterator.prototype.next = function next () { var type = this._type; var stack = this._stack; while (stack) { var node = stack.node; var index = stack.index++; var maxIndex = (void 0); if (node.entry) { if (index === 0) { return mapIteratorValue(type, node.entry); } } else if (node.entries) { maxIndex = node.entries.length - 1; if (index <= maxIndex) { return mapIteratorValue( type, node.entries[this._reverse ? maxIndex - index : index] ); } } else { maxIndex = node.nodes.length - 1; if (index <= maxIndex) { var subNode = node.nodes[this._reverse ? maxIndex - index : index]; if (subNode) { if (subNode.entry) { return mapIteratorValue(type, subNode.entry); } stack = this._stack = mapIteratorFrame(subNode, stack); } continue; } } stack = this._stack = this._stack.__prev; } return iteratorDone(); }; return MapIterator; }(Iterator)); function mapIteratorValue(type, entry) { return iteratorValue(type, entry[0], entry[1]); } function mapIteratorFrame(node, prev) { return { node: node, index: 0, __prev: prev, }; } function makeMap(size, root, ownerID, hash) { var map = Object.create(MapPrototype); map.size = size; map._root = root; map.__ownerID = ownerID; map.__hash = hash; map.__altered = false; return map; } var EMPTY_MAP; function emptyMap() { return EMPTY_MAP || (EMPTY_MAP = makeMap(0)); } function updateMap(map, k, v) { var newRoot; var newSize; if (!map._root) { if (v === NOT_SET) { return map; } newSize = 1; newRoot = new ArrayMapNode(map.__ownerID, [[k, v]]); } else { var didChangeSize = MakeRef(); var didAlter = MakeRef(); newRoot = updateNode( map._root, map.__ownerID, 0, undefined, k, v, didChangeSize, didAlter ); if (!didAlter.value) { return map; } newSize = map.size + (didChangeSize.value ? (v === NOT_SET ? -1 : 1) : 0); } if (map.__ownerID) { map.size = newSize; map._root = newRoot; map.__hash = undefined; map.__altered = true; return map; } return newRoot ? makeMap(newSize, newRoot) : emptyMap(); } function updateNode( node, ownerID, shift, keyHash, key, value, didChangeSize, didAlter ) { if (!node) { if (value === NOT_SET) { return node; } SetRef(didAlter); SetRef(didChangeSize); return new ValueNode(ownerID, keyHash, [key, value]); } return node.update( ownerID, shift, keyHash, key, value, didChangeSize, didAlter ); } function isLeafNode(node) { return ( node.constructor === ValueNode || node.constructor === HashCollisionNode ); } function mergeIntoNode(node, ownerID, shift, keyHash, entry) { if (node.keyHash === keyHash) { return new HashCollisionNode(ownerID, keyHash, [node.entry, entry]); } var idx1 = (shift === 0 ? node.keyHash : node.keyHash >>> shift) & MASK; var idx2 = (shift === 0 ? keyHash : keyHash >>> shift) & MASK; var newNode; var nodes = idx1 === idx2 ? [mergeIntoNode(node, ownerID, shift + SHIFT, keyHash, entry)] : ((newNode = new ValueNode(ownerID, keyHash, entry)), idx1 < idx2 ? [node, newNode] : [newNode, node]); return new BitmapIndexedNode(ownerID, (1 << idx1) | (1 << idx2), nodes); } function createNodes(ownerID, entries, key, value) { if (!ownerID) { ownerID = new OwnerID(); } var node = new ValueNode(ownerID, hash(key), [key, value]); for (var ii = 0; ii < entries.length; ii++) { var entry = entries[ii]; node = node.update(ownerID, 0, undefined, entry[0], entry[1]); } return node; } function packNodes(ownerID, nodes, count, excluding) { var bitmap = 0; var packedII = 0; var packedNodes = new Array(count); for (var ii = 0, bit = 1, len = nodes.length; ii < len; ii++, bit <<= 1) { var node = nodes[ii]; if (node !== undefined && ii !== excluding) { bitmap |= bit; packedNodes[packedII++] = node; } } return new BitmapIndexedNode(ownerID, bitmap, packedNodes); } function expandNodes(ownerID, nodes, bitmap, including, node) { var count = 0; var expandedNodes = new Array(SIZE); for (var ii = 0; bitmap !== 0; ii++, bitmap >>>= 1) { expandedNodes[ii] = bitmap & 1 ? nodes[count++] : undefined; } expandedNodes[including] = node; return new HashArrayMapNode(ownerID, count + 1, expandedNodes); } function popCount(x) { x -= (x >> 1) & 0x55555555; x = (x & 0x33333333) + ((x >> 2) & 0x33333333); x = (x + (x >> 4)) & 0x0f0f0f0f; x += x >> 8; x += x >> 16; return x & 0x7f; } function setAt(array, idx, val, canEdit) { var newArray = canEdit ? array : arrCopy(array); newArray[idx] = val; return newArray; } function spliceIn(array, idx, val, canEdit) { var newLen = array.length + 1; if (canEdit && idx + 1 === newLen) { array[idx] = val; return array; } var newArray = new Array(newLen); var after = 0; for (var ii = 0; ii < newLen; ii++) { if (ii === idx) { newArray[ii] = val; after = -1; } else { newArray[ii] = array[ii + after]; } } return newArray; } function spliceOut(array, idx, canEdit) { var newLen = array.length - 1; if (canEdit && idx === newLen) { array.pop(); return array; } var newArray = new Array(newLen); var after = 0; for (var ii = 0; ii < newLen; ii++) { if (ii === idx) { after = 1; } newArray[ii] = array[ii + after]; } return newArray; } var MAX_ARRAY_MAP_SIZE = SIZE / 4; var MAX_BITMAP_INDEXED_SIZE = SIZE / 2; var MIN_HASH_ARRAY_MAP_SIZE = SIZE / 4; var IS_LIST_SYMBOL = '@@__IMMUTABLE_LIST__@@'; function isList(maybeList) { return Boolean(maybeList && maybeList[IS_LIST_SYMBOL]); } var List = /*@__PURE__*/(function (IndexedCollection) { function List(value) { var empty = emptyList(); if (value === undefined || value === null) { return empty; } if (isList(value)) { return value; } var iter = IndexedCollection(value); var size = iter.size; if (size === 0) { return empty; } assertNotInfinite(size); if (size > 0 && size < SIZE) { return makeList(0, size, SHIFT, null, new VNode(iter.toArray())); } return empty.withMutations(function (list) { list.setSize(size); iter.forEach(function (v, i) { return list.set(i, v); }); }); } if ( IndexedCollection ) List.__proto__ = IndexedCollection; List.prototype = Object.create( IndexedCollection && IndexedCollection.prototype ); List.prototype.constructor = List; List.of = function of (/*...values*/) { return this(arguments); }; List.prototype.toString = function toString () { return this.__toString('List [', ']'); }; // @pragma Access List.prototype.get = function get (index, notSetValue) { index = wrapIndex(this, index); if (index >= 0 && index < this.size) { index += this._origin; var node = listNodeFor(this, index); return node && node.array[index & MASK]; } return notSetValue; }; // @pragma Modification List.prototype.set = function set (index, value) { return updateList(this, index, value); }; List.prototype.remove = function remove (index) { return !this.has(index) ? this : index === 0 ? this.shift() : index === this.size - 1 ? this.pop() : this.splice(index, 1); }; List.prototype.insert = function insert (index, value) { return this.splice(index, 0, value); }; List.prototype.clear = function clear () { if (this.size === 0) { return this; } if (this.__ownerID) { this.size = this._origin = this._capacity = 0; this._level = SHIFT; this._root = this._tail = this.__hash = undefined; this.__altered = true; return this; } return emptyList(); }; List.prototype.push = function push (/*...values*/) { var values = arguments; var oldSize = this.size; return this.withMutations(function (list) { setListBounds(list, 0, oldSize + values.length); for (var ii = 0; ii < values.length; ii++) { list.set(oldSize + ii, values[ii]); } }); }; List.prototype.pop = function pop () { return setListBounds(this, 0, -1); }; List.prototype.unshift = function unshift (/*...values*/) { var values = arguments; return this.withMutations(function (list) { setListBounds(list, -values.length); for (var ii = 0; ii < values.length; ii++) { list.set(ii, values[ii]); } }); }; List.prototype.shift = function shift () { return setListBounds(this, 1); }; // @pragma Composition List.prototype.concat = function concat (/*...collections*/) { var arguments$1 = arguments; var seqs = []; for (var i = 0; i < arguments.length; i++) { var argument = arguments$1[i]; var seq = IndexedCollection( typeof argument !== 'string' && hasIterator(argument) ? argument : [argument] ); if (seq.size !== 0) { seqs.push(seq); } } if (seqs.length === 0) { return this; } if (this.size === 0 && !this.__ownerID && seqs.length === 1) { return this.constructor(seqs[0]); } return this.withMutations(function (list) { seqs.forEach(function (seq) { return seq.forEach(function (value) { return list.push(value); }); }); }); }; List.prototype.setSize = function setSize (size) { return setListBounds(this, 0, size); }; List.prototype.map = function map (mapper, context) { var this$1$1 = this; return this.withMutations(function (list) { for (var i = 0; i < this$1$1.size; i++) { list.set(i, mapper.call(context, list.get(i), i, this$1$1)); } }); }; // @pragma Iteration List.prototype.slice = function slice (begin, end) { var size = this.size; if (wholeSlice(begin, end, size)) { return this; } return setListBounds( this, resolveBegin(begin, size), resolveEnd(end, size) ); }; List.prototype.__iterator = function __iterator (type, reverse) { var index = reverse ? this.size : 0; var values = iterateList(this, reverse); return new Iterator(function () { var value = values(); return value === DONE ? iteratorDone() : iteratorValue(type, reverse ? --index : index++, value); }); }; List.prototype.__iterate = function __iterate (fn, reverse) { var index = reverse ? this.size : 0; var values = iterateList(this, reverse); var value; while ((value = values()) !== DONE) { if (fn(value, reverse ? --index : index++, this) === false) { break; } } return index; }; List.prototype.__ensureOwner = function __ensureOwner (ownerID) { if (ownerID === this.__ownerID) { return this; } if (!ownerID) { if (this.size === 0) { return emptyList(); } this.__ownerID = ownerID; this.__altered = false; return this; } return makeList( this._origin, this._capacity, this._level, this._root, this._tail, ownerID, this.__hash ); }; return List; }(IndexedCollection)); List.isList = isList; var ListPrototype = List.prototype; ListPrototype[IS_LIST_SYMBOL] = true; ListPrototype[DELETE] = ListPrototype.remove; ListPrototype.merge = ListPrototype.concat; ListPrototype.setIn = setIn; ListPrototype.deleteIn = ListPrototype.removeIn = deleteIn; ListPrototype.update = update; ListPrototype.updateIn = updateIn; ListPrototype.mergeIn = mergeIn; ListPrototype.mergeDeepIn = mergeDeepIn; ListPrototype.withMutations = withMutations; ListPrototype.wasAltered = wasAltered; ListPrototype.asImmutable = asImmutable; ListPrototype['@@transducer/init'] = ListPrototype.asMutable = asMutable; ListPrototype['@@transducer/step'] = function (result, arr) { return result.push(arr); }; ListPrototype['@@transducer/result'] = function (obj) { return obj.asImmutable(); }; var VNode = function VNode(array, ownerID) { this.array = array; this.ownerID = ownerID; }; // TODO: seems like these methods are very similar VNode.prototype.removeBefore = function removeBefore (ownerID, level, index) { if (index === level ? 1 << level : this.array.length === 0) { return this; } var originIndex = (index >>> level) & MASK; if (originIndex >= this.array.length) { return new VNode([], ownerID); } var removingFirst = originIndex === 0; var newChild; if (level > 0) { var oldChild = this.array[originIndex]; newChild = oldChild && oldChild.removeBefore(ownerID, level - SHIFT, index); if (newChild === oldChild && removingFirst) { return this; } } if (removingFirst && !newChild) { return this; } var editable = editableVNode(this, ownerID); if (!removingFirst) { for (var ii = 0; ii < originIndex; ii++) { editable.array[ii] = undefined; } } if (newChild) { editable.array[originIndex] = newChild; } return editable; }; VNode.prototype.removeAfter = function removeAfter (ownerID, level, index) { if (index === (level ? 1 << level : 0) || this.array.length === 0) { return this; } var sizeIndex = ((index - 1) >>> level) & MASK; if (sizeIndex >= this.array.length) { return this; } var newChild; if (level > 0) { var oldChild = this.array[sizeIndex]; newChild = oldChild && oldChild.removeAfter(ownerID, level - SHIFT, index); if (newChild === oldChild && sizeIndex === this.array.length - 1) { return this; } } var editable = editableVNode(this, ownerID); editable.array.splice(sizeIndex + 1); if (newChild) { editable.array[sizeIndex] = newChild; } return editable; }; var DONE = {}; function iterateList(list, reverse) { var left = list._origin; var right = list._capacity; var tailPos = getTailOffset(right); var tail = list._tail; return iterateNodeOrLeaf(list._root, list._level, 0); function iterateNodeOrLeaf(node, level, offset) { return level === 0 ? iterateLeaf(node, offset) : iterateNode(node, level, offset); } function iterateLeaf(node, offset) { var array = offset === tailPos ? tail && tail.array : node && node.array; var from = offset > left ? 0 : left - offset; var to = right - offset; if (to > SIZE) { to = SIZE; } return function () { if (from === to) { return DONE; } var idx = reverse ? --to : from++; return array && array[idx]; }; } function iterateNode(node, level, offset) { var values; var array = node && node.array; var from = offset > left ? 0 : (left - offset) >> level; var to = ((right - offset) >> level) + 1; if (to > SIZE) { to = SIZE; } return function () { while (true) { if (values) { var value = values(); if (value !== DONE) { return value; } values = null; } if (from === to) { return DONE; } var idx = reverse ? --to : from++; values = iterateNodeOrLeaf( array && array[idx], level - SHIFT, offset + (idx << level) ); } }; } } function makeList(origin, capacity, level, root, tail, ownerID, hash) { var list = Object.create(ListPrototype); list.size = capacity - origin; list._origin = origin; list._capacity = capacity; list._level = level; list._root = root; list._tail = tail; list.__ownerID = ownerID; list.__hash = hash; list.__altered = false; return list; } var EMPTY_LIST; function emptyList() { return EMPTY_LIST || (EMPTY_LIST = makeList(0, 0, SHIFT)); } function updateList(list, index, value) { index = wrapIndex(list, index); if (index !== index) { return list; } if (index >= list.size || index < 0) { return list.withMutations(function (list) { index < 0 ? setListBounds(list, index).set(0, value) : setListBounds(list, 0, index + 1).set(index, value); }); } index += list._origin; var newTail = list._tail; var newRoot = list._root; var didAlter = MakeRef(); if (index >= getTailOffset(list._capacity)) { newTail = updateVNode(newTail, list.__ownerID, 0, index, value, didAlter); } else { newRoot = updateVNode( newRoot, list.__ownerID, list._level, index, value, didAlter ); } if (!didAlter.value) { return list; } if (list.__ownerID) { list._root = newRoot; list._tail = newTail; list.__hash = undefined; list.__altered = true; return list; } return makeList(list._origin, list._capacity, list._level, newRoot, newTail); } function updateVNode(node, ownerID, level, index, value, didAlter) { var idx = (index >>> level) & MASK; var nodeHas = node && idx < node.array.length; if (!nodeHas && value === undefined) { return node; } var newNode; if (level > 0) { var lowerNode = node && node.array[idx]; var newLowerNode = updateVNode( lowerNode, ownerID, level - SHIFT, index, value, didAlter ); if (newLowerNode === lowerNode) { return node; } newNode = editableVNode(node, ownerID); newNode.array[idx] = newLowerNode; return newNode; } if (nodeHas && node.array[idx] === value) { return node; } if (didAlter) { SetRef(didAlter); } newNode = editableVNode(node, ownerID); if (value === undefined && idx === newNode.array.length - 1) { newNode.array.pop(); } else { newNode.array[idx] = value; } return newNode; } function editableVNode(node, ownerID) { if (ownerID && node && ownerID === node.ownerID) { return node; } return new VNode(node ? node.array.slice() : [], ownerID); } function listNodeFor(list, rawIndex) { if (rawIndex >= getTailOffset(list._capacity)) { return list._tail; } if (rawIndex < 1 << (list._level + SHIFT)) { var node = list._root; var level = list._level; while (node && level > 0) { node = node.array[(rawIndex >>> level) & MASK]; level -= SHIFT; } return node; } } function setListBounds(list, begin, end) { // Sanitize begin & end using this shorthand for ToInt32(argument) // http://www.ecma-international.org/ecma-262/6.0/#sec-toint32 if (begin !== undefined) { begin |= 0; } if (end !== undefined) { end |= 0; } var owner = list.__ownerID || new OwnerID(); var oldOrigin = list._origin; var oldCapacity = list._capacity; var newOrigin = oldOrigin + begin; var newCapacity = end === undefined ? oldCapacity : end < 0 ? oldCapacity + end : oldOrigin + end; if (newOrigin === oldOrigin && newCapacity === oldCapacity) { return list; } // If it's going to end after it starts, it's empty. if (newOrigin >= newCapacity) { return list.clear(); } var newLevel = list._level; var newRoot = list._root; // New origin might need creating a higher root. var offsetShift = 0; while (newOrigin + offsetShift < 0) { newRoot = new VNode( newRoot && newRoot.array.length ? [undefined, newRoot] : [], owner ); newLevel += SHIFT; offsetShift += 1 << newLevel; } if (offsetShift) { newOrigin += offsetShift; oldOrigin += offsetShift; newCapacity += offsetShift; oldCapacity += offsetShift; } var oldTailOffset = getTailOffset(oldCapacity); var newTailOffset = getTailOffset(newCapacity); // New size might need creating a higher root. while (newTailOffset >= 1 << (newLevel + SHIFT)) { newRoot = new VNode( newRoot && newRoot.array.length ? [newRoot] : [], owner ); newLevel += SHIFT; } // Locate or create the new tail. var oldTail = list._tail; var newTail = newTailOffset < oldTailOffset ? listNodeFor(list, newCapacity - 1) : newTailOffset > oldTailOffset ? new VNode([], owner) : oldTail; // Merge Tail into tree. if ( oldTail && newTailOffset > oldTailOffset && newOrigin < oldCapacity && oldTail.array.length ) { newRoot = editableVNode(newRoot, owner); var node = newRoot; for (var level = newLevel; level > SHIFT; level -= SHIFT) { var idx = (oldTailOffset >>> level) & MASK; node = node.array[idx] = editableVNode(node.array[idx], owner); } node.array[(oldTailOffset >>> SHIFT) & MASK] = oldTail; } // If the size has been reduced, there's a chance the tail needs to be trimmed. if (newCapacity < oldCapacity) { newTail = newTail && newTail.removeAfter(owner, 0, newCapacity); } // If the new origin is within the tail, then we do not need a root. if (newOrigin >= newTailOffset) { newOrigin -= newTailOffset; newCapacity -= newTailOffset; newLevel = SHIFT; newRoot = null; newTail = newTail && newTail.removeBefore(owner, 0, newOrigin); // Otherwise, if the root has been trimmed, garbage collect. } else if (newOrigin > oldOrigin || newTailOffset < oldTailOffset) { offsetShift = 0; // Identify the new top root node of the subtree of the old root. while (newRoot) { var beginIndex = (newOrigin >>> newLevel) & MASK; if ((beginIndex !== newTailOffset >>> newLevel) & MASK) { break; } if (beginIndex) { offsetShift += (1 << newLevel) * beginIndex; } newLevel -= SHIFT; newRoot = newRoot.array[beginIndex]; } // Trim the new sides of the new root. if (newRoot && newOrigin > oldOrigin) { newRoot = newRoot.removeBefore(owner, newLevel, newOrigin - offsetShift); } if (newRoot && newTailOffset < oldTailOffset) { newRoot = newRoot.removeAfter( owner, newLevel, newTailOffset - offsetShift ); } if (offsetShift) { newOrigin -= offsetShift; newCapacity -= offsetShift; } } if (list.__ownerID) { list.size = newCapacity - newOrigin; list._origin = newOrigin; list._capacity = newCapacity; list._level = newLevel; list._root = newRoot; list._tail = newTail; list.__hash = undefined; list.__altered = true; return list; } return makeList(newOrigin, newCapacity, newLevel, newRoot, newTail); } function getTailOffset(size) { return size < SIZE ? 0 : ((size - 1) >>> SHIFT) << SHIFT; } var OrderedMap = /*@__PURE__*/(function (Map) { function OrderedMap(value) { return value === undefined || value === null ? emptyOrderedMap() : isOrderedMap(value) ? value : emptyOrderedMap().withMutations(function (map) { var iter = KeyedCollection(value); assertNotInfinite(iter.size); iter.forEach(function (v, k) { return map.set(k, v); }); }); } if ( Map ) OrderedMap.__proto__ = Map; OrderedMap.prototype = Object.create( Map && Map.prototype ); OrderedMap.prototype.constructor = OrderedMap; OrderedMap.of = function of (/*...values*/) { return this(arguments); }; OrderedMap.prototype.toString = function toString () { return this.__toString('OrderedMap {', '}'); }; // @pragma Access OrderedMap.prototype.get = function get (k, notSetValue) { var index = this._map.get(k); return index !== undefined ? this._list.get(index)[1] : notSetValue; }; // @pragma Modification OrderedMap.prototype.clear = function clear () { if (this.size === 0) { return this; } if (this.__ownerID) { this.size = 0; this._map.clear(); this._list.clear(); this.__altered = true; return this; } return emptyOrderedMap(); }; OrderedMap.prototype.set = function set (k, v) { return updateOrderedMap(this, k, v); }; OrderedMap.prototype.remove = function remove (k) { return updateOrderedMap(this, k, NOT_SET); }; OrderedMap.prototype.__iterate = function __iterate (fn, reverse) { var this$1$1 = this; return this._list.__iterate( function (entry) { return entry && fn(entry[1], entry[0], this$1$1); }, reverse ); }; OrderedMap.prototype.__iterator = function __iterator (type, reverse) { return this._list.fromEntrySeq().__iterator(type, reverse); }; OrderedMap.prototype.__ensureOwner = function __ensureOwner (ownerID) { if (ownerID === this.__ownerID) { return this; } var newMap = this._map.__ensureOwner(ownerID); var newList = this._list.__ensureOwner(ownerID); if (!ownerID) { if (this.size === 0) { return emptyOrderedMap(); } this.__ownerID = ownerID; this.__altered = false; this._map = newMap; this._list = newList; return this; } return makeOrderedMap(newMap, newList, ownerID, this.__hash); }; return OrderedMap; }(Map)); OrderedMap.isOrderedMap = isOrderedMap; OrderedMap.prototype[IS_ORDERED_SYMBOL] = true; OrderedMap.prototype[DELETE] = OrderedMap.prototype.remove; function makeOrderedMap(map, list, ownerID, hash) { var omap = Object.create(OrderedMap.prototype); omap.size = map ? map.size : 0; omap._map = map; omap._list = list; omap.__ownerID = ownerID; omap.__hash = hash; omap.__altered = false; return omap; } var EMPTY_ORDERED_MAP; function emptyOrderedMap() { return ( EMPTY_ORDERED_MAP || (EMPTY_ORDERED_MAP = makeOrderedMap(emptyMap(), emptyList())) ); } function updateOrderedMap(omap, k, v) { var map = omap._map; var list = omap._list; var i = map.get(k); var has = i !== undefined; var newMap; var newList; if (v === NOT_SET) { // removed if (!has) { return omap; } if (list.size >= SIZE && list.size >= map.size * 2) { newList = list.filter(function (entry, idx) { return entry !== undefined && i !== idx; }); newMap = newList .toKeyedSeq() .map(function (entry) { return entry[0]; }) .flip() .toMap(); if (omap.__ownerID) { newMap.__ownerID = newList.__ownerID = omap.__ownerID; } } else { newMap = map.remove(k); newList = i === list.size - 1 ? list.pop() : list.set(i, undefined); } } else if (has) { if (v === list.get(i)[1]) { return omap; } newMap = map; newList = list.set(i, [k, v]); } else { newMap = map.set(k, list.size); newList = list.set(list.size, [k, v]); } if (omap.__ownerID) { omap.size = newMap.size; omap._map = newMap; omap._list = newList; omap.__hash = undefined; omap.__altered = true; return omap; } return makeOrderedMap(newMap, newList); } var IS_STACK_SYMBOL = '@@__IMMUTABLE_STACK__@@'; function isStack(maybeStack) { return Boolean(maybeStack && maybeStack[IS_STACK_SYMBOL]); } var Stack = /*@__PURE__*/(function (IndexedCollection) { function Stack(value) { return value === undefined || value === null ? emptyStack() : isStack(value) ? value : emptyStack().pushAll(value); } if ( IndexedCollection ) Stack.__proto__ = IndexedCollection; Stack.prototype = Object.create( IndexedCollection && IndexedCollection.prototype ); Stack.prototype.constructor = Stack; Stack.of = function of (/*...values*/) { return this(arguments); }; Stack.prototype.toString = function toString () { return this.__toString('Stack [', ']'); }; // @pragma Access Stack.prototype.get = function get (index, notSetValue) { var head = this._head; index = wrapIndex(this, index); while (head && index--) { head = head.next; } return head ? head.value : notSetValue; }; Stack.prototype.peek = function peek () { return this._head && this._head.value; }; // @pragma Modification Stack.prototype.push = function push (/*...values*/) { var arguments$1 = arguments; if (arguments.length === 0) { return this; } var newSize = this.size + arguments.length; var head = this._head; for (var ii = arguments.length - 1; ii >= 0; ii--) { head = { value: arguments$1[ii], next: head, }; } if (this.__ownerID) { this.size = newSize; this._head = head; this.__hash = undefined; this.__altered = true; return this; } return makeStack(newSize, head); }; Stack.prototype.pushAll = function pushAll (iter) { iter = IndexedCollection(iter); if (iter.size === 0) { return this; } if (this.size === 0 && isStack(iter)) { return iter; } assertNotInfinite(iter.size); var newSize = this.size; var head = this._head; iter.__iterate(function (value) { newSize++; head = { value: value, next: head, }; }, /* reverse */ true); if (this.__ownerID) { this.size = newSize; this._head = head; this.__hash = undefined; this.__altered = true; return this; } return makeStack(newSize, head); }; Stack.prototype.pop = function pop () { return this.slice(1); }; Stack.prototype.clear = function clear () { if (this.size === 0) { return this; } if (this.__ownerID) { this.size = 0; this._head = undefined; this.__hash = undefined; this.__altered = true; return this; } return emptyStack(); }; Stack.prototype.slice = function slice (begin, end) { if (wholeSlice(begin, end, this.size)) { return this; } var resolvedBegin = resolveBegin(begin, this.size); var resolvedEnd = resolveEnd(end, this.size); if (resolvedEnd !== this.size) { // super.slice(begin, end); return IndexedCollection.prototype.slice.call(this, begin, end); } var newSize = this.size - resolvedBegin; var head = this._head; while (resolvedBegin--) { head = head.next; } if (this.__ownerID) { this.size = newSize; this._head = head; this.__hash = undefined; this.__altered = true; return this; } return makeStack(newSize, head); }; // @pragma Mutability Stack.prototype.__ensureOwner = function __ensureOwner (ownerID) { if (ownerID === this.__ownerID) { return this; } if (!ownerID) { if (this.size === 0) { return emptyStack(); } this.__ownerID = ownerID; this.__altered = false; return this; } return makeStack(this.size, this._head, ownerID, this.__hash); }; // @pragma Iteration Stack.prototype.__iterate = function __iterate (fn, reverse) { var this$1$1 = this; if (reverse) { return new ArraySeq(this.toArray()).__iterate( function (v, k) { return fn(v, k, this$1$1); }, reverse ); } var iterations = 0; var node = this._head; while (node) { if (fn(node.value, iterations++, this) === false) { break; } node = node.next; } return iterations; }; Stack.prototype.__iterator = function __iterator (type, reverse) { if (reverse) { return new ArraySeq(this.toArray()).__iterator(type, reverse); } var iterations = 0; var node = this._head; return new Iterator(function () { if (node) { var value = node.value; node = node.next; return iteratorValue(type, iterations++, value); } return iteratorDone(); }); }; return Stack; }(IndexedCollection)); Stack.isStack = isStack; var StackPrototype = Stack.prototype; StackPrototype[IS_STACK_SYMBOL] = true; StackPrototype.shift = StackPrototype.pop; StackPrototype.unshift = StackPrototype.push; StackPrototype.unshiftAll = StackPrototype.pushAll; StackPrototype.withMutations = withMutations; StackPrototype.wasAltered = wasAltered; StackPrototype.asImmutable = asImmutable; StackPrototype['@@transducer/init'] = StackPrototype.asMutable = asMutable; StackPrototype['@@transducer/step'] = function (result, arr) { return result.unshift(arr); }; StackPrototype['@@transducer/result'] = function (obj) { return obj.asImmutable(); }; function makeStack(size, head, ownerID, hash) { var map = Object.create(StackPrototype); map.size = size; map._head = head; map.__ownerID = ownerID; map.__hash = hash; map.__altered = false; return map; } var EMPTY_STACK; function emptyStack() { return EMPTY_STACK || (EMPTY_STACK = makeStack(0)); } var IS_SET_SYMBOL = '@@__IMMUTABLE_SET__@@'; function isSet(maybeSet) { return Boolean(maybeSet && maybeSet[IS_SET_SYMBOL]); } function isOrderedSet(maybeOrderedSet) { return isSet(maybeOrderedSet) && isOrdered(maybeOrderedSet); } function deepEqual(a, b) { if (a === b) { return true; } if ( !isCollection(b) || (a.size !== undefined && b.size !== undefined && a.size !== b.size) || (a.__hash !== undefined && b.__hash !== undefined && a.__hash !== b.__hash) || isKeyed(a) !== isKeyed(b) || isIndexed(a) !== isIndexed(b) || isOrdered(a) !== isOrdered(b) ) { return false; } if (a.size === 0 && b.size === 0) { return true; } var notAssociative = !isAssociative(a); if (isOrdered(a)) { var entries = a.entries(); return ( b.every(function (v, k) { var entry = entries.next().value; return entry && is(entry[1], v) && (notAssociative || is(entry[0], k)); }) && entries.next().done ); } var flipped = false; if (a.size === undefined) { if (b.size === undefined) { if (typeof a.cacheResult === 'function') { a.cacheResult(); } } else { flipped = true; var _ = a; a = b; b = _; } } var allEqual = true; var bSize = b.__iterate(function (v, k) { if ( notAssociative ? !a.has(v) : flipped ? !is(v, a.get(k, NOT_SET)) : !is(a.get(k, NOT_SET), v) ) { allEqual = false; return false; } }); return allEqual && a.size === bSize; } function mixin(ctor, methods) { var keyCopier = function (key) { ctor.prototype[key] = methods[key]; }; Object.keys(methods).forEach(keyCopier); Object.getOwnPropertySymbols && Object.getOwnPropertySymbols(methods).forEach(keyCopier); return ctor; } function toJS(value) { if (!value || typeof value !== 'object') { return value; } if (!isCollection(value)) { if (!isDataStructure(value)) { return value; } value = Seq(value); } if (isKeyed(value)) { var result$1 = {}; value.__iterate(function (v, k) { result$1[k] = toJS(v); }); return result$1; } var result = []; value.__iterate(function (v) { result.push(toJS(v)); }); return result; } var Set = /*@__PURE__*/(function (SetCollection) { function Set(value) { return value === undefined || value === null ? emptySet() : isSet(value) && !isOrdered(value) ? value : emptySet().withMutations(function (set) { var iter = SetCollection(value); assertNotInfinite(iter.size); iter.forEach(function (v) { return set.add(v); }); }); } if ( SetCollection ) Set.__proto__ = SetCollection; Set.prototype = Object.create( SetCollection && SetCollection.prototype ); Set.prototype.constructor = Set; Set.of = function of (/*...values*/) { return this(arguments); }; Set.fromKeys = function fromKeys (value) { return this(KeyedCollection(value).keySeq()); }; Set.intersect = function intersect (sets) { sets = Collection(sets).toArray(); return sets.length ? SetPrototype.intersect.apply(Set(sets.pop()), sets) : emptySet(); }; Set.union = function union (sets) { sets = Collection(sets).toArray(); return sets.length ? SetPrototype.union.apply(Set(sets.pop()), sets) : emptySet(); }; Set.prototype.toString = function toString () { return this.__toString('Set {', '}'); }; // @pragma Access Set.prototype.has = function has (value) { return this._map.has(value); }; // @pragma Modification Set.prototype.add = function add (value) { return updateSet(this, this._map.set(value, value)); }; Set.prototype.remove = function remove (value) { return updateSet(this, this._map.remove(value)); }; Set.prototype.clear = function clear () { return updateSet(this, this._map.clear()); }; // @pragma Composition Set.prototype.map = function map (mapper, context) { var this$1$1 = this; // keep track if the set is altered by the map function var didChanges = false; var newMap = updateSet( this, this._map.mapEntries(function (ref) { var v = ref[1]; var mapped = mapper.call(context, v, v, this$1$1); if (mapped !== v) { didChanges = true; } return [mapped, mapped]; }, context) ); return didChanges ? newMap : this; }; Set.prototype.union = function union () { var iters = [], len = arguments.length; while ( len-- ) iters[ len ] = arguments[ len ]; iters = iters.filter(function (x) { return x.size !== 0; }); if (iters.length === 0) { return this; } if (this.size === 0 && !this.__ownerID && iters.length === 1) { return this.constructor(iters[0]); } return this.withMutations(function (set) { for (var ii = 0; ii < iters.length; ii++) { if (typeof iters[ii] === 'string') { set.add(iters[ii]); } else { SetCollection(iters[ii]).forEach(function (value) { return set.add(value); }); } } }); }; Set.prototype.intersect = function intersect () { var iters = [], len = arguments.length; while ( len-- ) iters[ len ] = arguments[ len ]; if (iters.length === 0) { return this; } iters = iters.map(function (iter) { return SetCollection(iter); }); var toRemove = []; this.forEach(function (value) { if (!iters.every(function (iter) { return iter.includes(value); })) { toRemove.push(value); } }); return this.withMutations(function (set) { toRemove.forEach(function (value) { set.remove(value); }); }); }; Set.prototype.subtract = function subtract () { var iters = [], len = arguments.length; while ( len-- ) iters[ len ] = arguments[ len ]; if (iters.length === 0) { return this; } iters = iters.map(function (iter) { return SetCollection(iter); }); var toRemove = []; this.forEach(function (value) { if (iters.some(function (iter) { return iter.includes(value); })) { toRemove.push(value); } }); return this.withMutations(function (set) { toRemove.forEach(function (value) { set.remove(value); }); }); }; Set.prototype.sort = function sort (comparator) { // Late binding return OrderedSet(sortFactory(this, comparator)); }; Set.prototype.sortBy = function sortBy (mapper, comparator) { // Late binding return OrderedSet(sortFactory(this, comparator, mapper)); }; Set.prototype.wasAltered = function wasAltered () { return this._map.wasAltered(); }; Set.prototype.__iterate = function __iterate (fn, reverse) { var this$1$1 = this; return this._map.__iterate(function (k) { return fn(k, k, this$1$1); }, reverse); }; Set.prototype.__iterator = function __iterator (type, reverse) { return this._map.__iterator(type, reverse); }; Set.prototype.__ensureOwner = function __ensureOwner (ownerID) { if (ownerID === this.__ownerID) { return this; } var newMap = this._map.__ensureOwner(ownerID); if (!ownerID) { if (this.size === 0) { return this.__empty(); } this.__ownerID = ownerID; this._map = newMap; return this; } return this.__make(newMap, ownerID); }; return Set; }(SetCollection)); Set.isSet = isSet; var SetPrototype = Set.prototype; SetPrototype[IS_SET_SYMBOL] = true; SetPrototype[DELETE] = SetPrototype.remove; SetPrototype.merge = SetPrototype.concat = SetPrototype.union; SetPrototype.withMutations = withMutations; SetPrototype.asImmutable = asImmutable; SetPrototype['@@transducer/init'] = SetPrototype.asMutable = asMutable; SetPrototype['@@transducer/step'] = function (result, arr) { return result.add(arr); }; SetPrototype['@@transducer/result'] = function (obj) { return obj.asImmutable(); }; SetPrototype.__empty = emptySet; SetPrototype.__make = makeSet; function updateSet(set, newMap) { if (set.__ownerID) { set.size = newMap.size; set._map = newMap; return set; } return newMap === set._map ? set : newMap.size === 0 ? set.__empty() : set.__make(newMap); } function makeSet(map, ownerID) { var set = Object.create(SetPrototype); set.size = map ? map.size : 0; set._map = map; set.__ownerID = ownerID; return set; } var EMPTY_SET; function emptySet() { return EMPTY_SET || (EMPTY_SET = makeSet(emptyMap())); } /** * Returns a lazy seq of nums from start (inclusive) to end * (exclusive), by step, where start defaults to 0, step to 1, and end to * infinity. When start is equal to end, returns empty list. */ var Range = /*@__PURE__*/(function (IndexedSeq) { function Range(start, end, step) { if (!(this instanceof Range)) { return new Range(start, end, step); } invariant(step !== 0, 'Cannot step a Range by 0'); start = start || 0; if (end === undefined) { end = Infinity; } step = step === undefined ? 1 : Math.abs(step); if (end < start) { step = -step; } this._start = start; this._end = end; this._step = step; this.size = Math.max(0, Math.ceil((end - start) / step - 1) + 1); if (this.size === 0) { if (EMPTY_RANGE) { return EMPTY_RANGE; } EMPTY_RANGE = this; } } if ( IndexedSeq ) Range.__proto__ = IndexedSeq; Range.prototype = Object.create( IndexedSeq && IndexedSeq.prototype ); Range.prototype.constructor = Range; Range.prototype.toString = function toString () { if (this.size === 0) { return 'Range []'; } return ( 'Range [ ' + this._start + '...' + this._end + (this._step !== 1 ? ' by ' + this._step : '') + ' ]' ); }; Range.prototype.get = function get (index, notSetValue) { return this.has(index) ? this._start + wrapIndex(this, index) * this._step : notSetValue; }; Range.prototype.includes = function includes (searchValue) { var possibleIndex = (searchValue - this._start) / this._step; return ( possibleIndex >= 0 && possibleIndex < this.size && possibleIndex === Math.floor(possibleIndex) ); }; Range.prototype.slice = function slice (begin, end) { if (wholeSlice(begin, end, this.size)) { return this; } begin = resolveBegin(begin, this.size); end = resolveEnd(end, this.size); if (end <= begin) { return new Range(0, 0); } return new Range( this.get(begin, this._end), this.get(end, this._end), this._step ); }; Range.prototype.indexOf = function indexOf (searchValue) { var offsetValue = searchValue - this._start; if (offsetValue % this._step === 0) { var index = offsetValue / this._step; if (index >= 0 && index < this.size) { return index; } } return -1; }; Range.prototype.lastIndexOf = function lastIndexOf (searchValue) { return this.indexOf(searchValue); }; Range.prototype.__iterate = function __iterate (fn, reverse) { var size = this.size; var step = this._step; var value = reverse ? this._start + (size - 1) * step : this._start; var i = 0; while (i !== size) { if (fn(value, reverse ? size - ++i : i++, this) === false) { break; } value += reverse ? -step : step; } return i; }; Range.prototype.__iterator = function __iterator (type, reverse) { var size = this.size; var step = this._step; var value = reverse ? this._start + (size - 1) * step : this._start; var i = 0; return new Iterator(function () { if (i === size) { return iteratorDone(); } var v = value; value += reverse ? -step : step; return iteratorValue(type, reverse ? size - ++i : i++, v); }); }; Range.prototype.equals = function equals (other) { return other instanceof Range ? this._start === other._start && this._end === other._end && this._step === other._step : deepEqual(this, other); }; return Range; }(IndexedSeq)); var EMPTY_RANGE; function getIn$1(collection, searchKeyPath, notSetValue) { var keyPath = coerceKeyPath(searchKeyPath); var i = 0; while (i !== keyPath.length) { collection = get(collection, keyPath[i++], NOT_SET); if (collection === NOT_SET) { return notSetValue; } } return collection; } function getIn(searchKeyPath, notSetValue) { return getIn$1(this, searchKeyPath, notSetValue); } function hasIn$1(collection, keyPath) { return getIn$1(collection, keyPath, NOT_SET) !== NOT_SET; } function hasIn(searchKeyPath) { return hasIn$1(this, searchKeyPath); } function toObject() { assertNotInfinite(this.size); var object = {}; this.__iterate(function (v, k) { object[k] = v; }); return object; } // Note: all of these methods are deprecated. Collection.isIterable = isCollection; Collection.isKeyed = isKeyed; Collection.isIndexed = isIndexed; Collection.isAssociative = isAssociative; Collection.isOrdered = isOrdered; Collection.Iterator = Iterator; mixin(Collection, { // ### Conversion to other types toArray: function toArray() { assertNotInfinite(this.size); var array = new Array(this.size || 0); var useTuples = isKeyed(this); var i = 0; this.__iterate(function (v, k) { // Keyed collections produce an array of tuples. array[i++] = useTuples ? [k, v] : v; }); return array; }, toIndexedSeq: function toIndexedSeq() { return new ToIndexedSequence(this); }, toJS: function toJS$1() { return toJS(this); }, toKeyedSeq: function toKeyedSeq() { return new ToKeyedSequence(this, true); }, toMap: function toMap() { // Use Late Binding here to solve the circular dependency. return Map(this.toKeyedSeq()); }, toObject: toObject, toOrderedMap: function toOrderedMap() { // Use Late Binding here to solve the circular dependency. return OrderedMap(this.toKeyedSeq()); }, toOrderedSet: function toOrderedSet() { // Use Late Binding here to solve the circular dependency. return OrderedSet(isKeyed(this) ? this.valueSeq() : this); }, toSet: function toSet() { // Use Late Binding here to solve the circular dependency. return Set(isKeyed(this) ? this.valueSeq() : this); }, toSetSeq: function toSetSeq() { return new ToSetSequence(this); }, toSeq: function toSeq() { return isIndexed(this) ? this.toIndexedSeq() : isKeyed(this) ? this.toKeyedSeq() : this.toSetSeq(); }, toStack: function toStack() { // Use Late Binding here to solve the circular dependency. return Stack(isKeyed(this) ? this.valueSeq() : this); }, toList: function toList() { // Use Late Binding here to solve the circular dependency. return List(isKeyed(this) ? this.valueSeq() : this); }, // ### Common JavaScript methods and properties toString: function toString() { return '[Collection]'; }, __toString: function __toString(head, tail) { if (this.size === 0) { return head + tail; } return ( head + ' ' + this.toSeq().map(this.__toStringMapper).join(', ') + ' ' + tail ); }, // ### ES6 Collection methods (ES6 Array and Map) concat: function concat() { var values = [], len = arguments.length; while ( len-- ) values[ len ] = arguments[ len ]; return reify(this, concatFactory(this, values)); }, includes: function includes(searchValue) { return this.some(function (value) { return is(value, searchValue); }); }, entries: function entries() { return this.__iterator(ITERATE_ENTRIES); }, every: function every(predicate, context) { assertNotInfinite(this.size); var returnValue = true; this.__iterate(function (v, k, c) { if (!predicate.call(context, v, k, c)) { returnValue = false; return false; } }); return returnValue; }, filter: function filter(predicate, context) { return reify(this, filterFactory(this, predicate, context, true)); }, partition: function partition(predicate, context) { return partitionFactory(this, predicate, context); }, find: function find(predicate, context, notSetValue) { var entry = this.findEntry(predicate, context); return entry ? entry[1] : notSetValue; }, forEach: function forEach(sideEffect, context) { assertNotInfinite(this.size); return this.__iterate(context ? sideEffect.bind(context) : sideEffect); }, join: function join(separator) { assertNotInfinite(this.size); separator = separator !== undefined ? '' + separator : ','; var joined = ''; var isFirst = true; this.__iterate(function (v) { isFirst ? (isFirst = false) : (joined += separator); joined += v !== null && v !== undefined ? v.toString() : ''; }); return joined; }, keys: function keys() { return this.__iterator(ITERATE_KEYS); }, map: function map(mapper, context) { return reify(this, mapFactory(this, mapper, context)); }, reduce: function reduce$1(reducer, initialReduction, context) { return reduce( this, reducer, initialReduction, context, arguments.length < 2, false ); }, reduceRight: function reduceRight(reducer, initialReduction, context) { return reduce( this, reducer, initialReduction, context, arguments.length < 2, true ); }, reverse: function reverse() { return reify(this, reverseFactory(this, true)); }, slice: function slice(begin, end) { return reify(this, sliceFactory(this, begin, end, true)); }, some: function some(predicate, context) { return !this.every(not(predicate), context); }, sort: function sort(comparator) { return reify(this, sortFactory(this, comparator)); }, values: function values() { return this.__iterator(ITERATE_VALUES); }, // ### More sequential methods butLast: function butLast() { return this.slice(0, -1); }, isEmpty: function isEmpty() { return this.size !== undefined ? this.size === 0 : !this.some(function () { return true; }); }, count: function count(predicate, context) { return ensureSize( predicate ? this.toSeq().filter(predicate, context) : this ); }, countBy: function countBy(grouper, context) { return countByFactory(this, grouper, context); }, equals: function equals(other) { return deepEqual(this, other); }, entrySeq: function entrySeq() { var collection = this; if (collection._cache) { // We cache as an entries array, so we can just return the cache! return new ArraySeq(collection._cache); } var entriesSequence = collection.toSeq().map(entryMapper).toIndexedSeq(); entriesSequence.fromEntrySeq = function () { return collection.toSeq(); }; return entriesSequence; }, filterNot: function filterNot(predicate, context) { return this.filter(not(predicate), context); }, findEntry: function findEntry(predicate, context, notSetValue) { var found = notSetValue; this.__iterate(function (v, k, c) { if (predicate.call(context, v, k, c)) { found = [k, v]; return false; } }); return found; }, findKey: function findKey(predicate, context) { var entry = this.findEntry(predicate, context); return entry && entry[0]; }, findLast: function findLast(predicate, context, notSetValue) { return this.toKeyedSeq().reverse().find(predicate, context, notSetValue); }, findLastEntry: function findLastEntry(predicate, context, notSetValue) { return this.toKeyedSeq() .reverse() .findEntry(predicate, context, notSetValue); }, findLastKey: function findLastKey(predicate, context) { return this.toKeyedSeq().reverse().findKey(predicate, context); }, first: function first(notSetValue) { return this.find(returnTrue, null, notSetValue); }, flatMap: function flatMap(mapper, context) { return reify(this, flatMapFactory(this, mapper, context)); }, flatten: function flatten(depth) { return reify(this, flattenFactory(this, depth, true)); }, fromEntrySeq: function fromEntrySeq() { return new FromEntriesSequence(this); }, get: function get(searchKey, notSetValue) { return this.find(function (_, key) { return is(key, searchKey); }, undefined, notSetValue); }, getIn: getIn, groupBy: function groupBy(grouper, context) { return groupByFactory(this, grouper, context); }, has: function has(searchKey) { return this.get(searchKey, NOT_SET) !== NOT_SET; }, hasIn: hasIn, isSubset: function isSubset(iter) { iter = typeof iter.includes === 'function' ? iter : Collection(iter); return this.every(function (value) { return iter.includes(value); }); }, isSuperset: function isSuperset(iter) { iter = typeof iter.isSubset === 'function' ? iter : Collection(iter); return iter.isSubset(this); }, keyOf: function keyOf(searchValue) { return this.findKey(function (value) { return is(value, searchValue); }); }, keySeq: function keySeq() { return this.toSeq().map(keyMapper).toIndexedSeq(); }, last: function last(notSetValue) { return this.toSeq().reverse().first(notSetValue); }, lastKeyOf: function lastKeyOf(searchValue) { return this.toKeyedSeq().reverse().keyOf(searchValue); }, max: function max(comparator) { return maxFactory(this, comparator); }, maxBy: function maxBy(mapper, comparator) { return maxFactory(this, comparator, mapper); }, min: function min(comparator) { return maxFactory( this, comparator ? neg(comparator) : defaultNegComparator ); }, minBy: function minBy(mapper, comparator) { return maxFactory( this, comparator ? neg(comparator) : defaultNegComparator, mapper ); }, rest: function rest() { return this.slice(1); }, skip: function skip(amount) { return amount === 0 ? this : this.slice(Math.max(0, amount)); }, skipLast: function skipLast(amount) { return amount === 0 ? this : this.slice(0, -Math.max(0, amount)); }, skipWhile: function skipWhile(predicate, context) { return reify(this, skipWhileFactory(this, predicate, context, true)); }, skipUntil: function skipUntil(predicate, context) { return this.skipWhile(not(predicate), context); }, sortBy: function sortBy(mapper, comparator) { return reify(this, sortFactory(this, comparator, mapper)); }, take: function take(amount) { return this.slice(0, Math.max(0, amount)); }, takeLast: function takeLast(amount) { return this.slice(-Math.max(0, amount)); }, takeWhile: function takeWhile(predicate, context) { return reify(this, takeWhileFactory(this, predicate, context)); }, takeUntil: function takeUntil(predicate, context) { return this.takeWhile(not(predicate), context); }, update: function update(fn) { return fn(this); }, valueSeq: function valueSeq() { return this.toIndexedSeq(); }, // ### Hashable Object hashCode: function hashCode() { return this.__hash || (this.__hash = hashCollection(this)); }, // ### Internal // abstract __iterate(fn, reverse) // abstract __iterator(type, reverse) }); var CollectionPrototype = Collection.prototype; CollectionPrototype[IS_COLLECTION_SYMBOL] = true; CollectionPrototype[ITERATOR_SYMBOL] = CollectionPrototype.values; CollectionPrototype.toJSON = CollectionPrototype.toArray; CollectionPrototype.__toStringMapper = quoteString; CollectionPrototype.inspect = CollectionPrototype.toSource = function () { return this.toString(); }; CollectionPrototype.chain = CollectionPrototype.flatMap; CollectionPrototype.contains = CollectionPrototype.includes; mixin(KeyedCollection, { // ### More sequential methods flip: function flip() { return reify(this, flipFactory(this)); }, mapEntries: function mapEntries(mapper, context) { var this$1$1 = this; var iterations = 0; return reify( this, this.toSeq() .map(function (v, k) { return mapper.call(context, [k, v], iterations++, this$1$1); }) .fromEntrySeq() ); }, mapKeys: function mapKeys(mapper, context) { var this$1$1 = this; return reify( this, this.toSeq() .flip() .map(function (k, v) { return mapper.call(context, k, v, this$1$1); }) .flip() ); }, }); var KeyedCollectionPrototype = KeyedCollection.prototype; KeyedCollectionPrototype[IS_KEYED_SYMBOL] = true; KeyedCollectionPrototype[ITERATOR_SYMBOL] = CollectionPrototype.entries; KeyedCollectionPrototype.toJSON = toObject; KeyedCollectionPrototype.__toStringMapper = function (v, k) { return quoteString(k) + ': ' + quoteString(v); }; mixin(IndexedCollection, { // ### Conversion to other types toKeyedSeq: function toKeyedSeq() { return new ToKeyedSequence(this, false); }, // ### ES6 Collection methods (ES6 Array and Map) filter: function filter(predicate, context) { return reify(this, filterFactory(this, predicate, context, false)); }, findIndex: function findIndex(predicate, context) { var entry = this.findEntry(predicate, context); return entry ? entry[0] : -1; }, indexOf: function indexOf(searchValue) { var key = this.keyOf(searchValue); return key === undefined ? -1 : key; }, lastIndexOf: function lastIndexOf(searchValue) { var key = this.lastKeyOf(searchValue); return key === undefined ? -1 : key; }, reverse: function reverse() { return reify(this, reverseFactory(this, false)); }, slice: function slice(begin, end) { return reify(this, sliceFactory(this, begin, end, false)); }, splice: function splice(index, removeNum /*, ...values*/) { var numArgs = arguments.length; removeNum = Math.max(removeNum || 0, 0); if (numArgs === 0 || (numArgs === 2 && !removeNum)) { return this; } // If index is negative, it should resolve relative to the size of the // collection. However size may be expensive to compute if not cached, so // only call count() if the number is in fact negative. index = resolveBegin(index, index < 0 ? this.count() : this.size); var spliced = this.slice(0, index); return reify( this, numArgs === 1 ? spliced : spliced.concat(arrCopy(arguments, 2), this.slice(index + removeNum)) ); }, // ### More collection methods findLastIndex: function findLastIndex(predicate, context) { var entry = this.findLastEntry(predicate, context); return entry ? entry[0] : -1; }, first: function first(notSetValue) { return this.get(0, notSetValue); }, flatten: function flatten(depth) { return reify(this, flattenFactory(this, depth, false)); }, get: function get(index, notSetValue) { index = wrapIndex(this, index); return index < 0 || this.size === Infinity || (this.size !== undefined && index > this.size) ? notSetValue : this.find(function (_, key) { return key === index; }, undefined, notSetValue); }, has: function has(index) { index = wrapIndex(this, index); return ( index >= 0 && (this.size !== undefined ? this.size === Infinity || index < this.size : this.indexOf(index) !== -1) ); }, interpose: function interpose(separator) { return reify(this, interposeFactory(this, separator)); }, interleave: function interleave(/*...collections*/) { var collections = [this].concat(arrCopy(arguments)); var zipped = zipWithFactory(this.toSeq(), IndexedSeq.of, collections); var interleaved = zipped.flatten(true); if (zipped.size) { interleaved.size = zipped.size * collections.length; } return reify(this, interleaved); }, keySeq: function keySeq() { return Range(0, this.size); }, last: function last(notSetValue) { return this.get(-1, notSetValue); }, skipWhile: function skipWhile(predicate, context) { return reify(this, skipWhileFactory(this, predicate, context, false)); }, zip: function zip(/*, ...collections */) { var collections = [this].concat(arrCopy(arguments)); return reify(this, zipWithFactory(this, defaultZipper, collections)); }, zipAll: function zipAll(/*, ...collections */) { var collections = [this].concat(arrCopy(arguments)); return reify(this, zipWithFactory(this, defaultZipper, collections, true)); }, zipWith: function zipWith(zipper /*, ...collections */) { var collections = arrCopy(arguments); collections[0] = this; return reify(this, zipWithFactory(this, zipper, collections)); }, }); var IndexedCollectionPrototype = IndexedCollection.prototype; IndexedCollectionPrototype[IS_INDEXED_SYMBOL] = true; IndexedCollectionPrototype[IS_ORDERED_SYMBOL] = true; mixin(SetCollection, { // ### ES6 Collection methods (ES6 Array and Map) get: function get(value, notSetValue) { return this.has(value) ? value : notSetValue; }, includes: function includes(value) { return this.has(value); }, // ### More sequential methods keySeq: function keySeq() { return this.valueSeq(); }, }); var SetCollectionPrototype = SetCollection.prototype; SetCollectionPrototype.has = CollectionPrototype.includes; SetCollectionPrototype.contains = SetCollectionPrototype.includes; SetCollectionPrototype.keys = SetCollectionPrototype.values; // Mixin subclasses mixin(KeyedSeq, KeyedCollectionPrototype); mixin(IndexedSeq, IndexedCollectionPrototype); mixin(SetSeq, SetCollectionPrototype); // #pragma Helper functions function reduce(collection, reducer, reduction, context, useFirst, reverse) { assertNotInfinite(collection.size); collection.__iterate(function (v, k, c) { if (useFirst) { useFirst = false; reduction = v; } else { reduction = reducer.call(context, reduction, v, k, c); } }, reverse); return reduction; } function keyMapper(v, k) { return k; } function entryMapper(v, k) { return [k, v]; } function not(predicate) { return function () { return !predicate.apply(this, arguments); }; } function neg(predicate) { return function () { return -predicate.apply(this, arguments); }; } function defaultZipper() { return arrCopy(arguments); } function defaultNegComparator(a, b) { return a < b ? 1 : a > b ? -1 : 0; } function hashCollection(collection) { if (collection.size === Infinity) { return 0; } var ordered = isOrdered(collection); var keyed = isKeyed(collection); var h = ordered ? 1 : 0; var size = collection.__iterate( keyed ? ordered ? function (v, k) { h = (31 * h + hashMerge(hash(v), hash(k))) | 0; } : function (v, k) { h = (h + hashMerge(hash(v), hash(k))) | 0; } : ordered ? function (v) { h = (31 * h + hash(v)) | 0; } : function (v) { h = (h + hash(v)) | 0; } ); return murmurHashOfSize(size, h); } function murmurHashOfSize(size, h) { h = imul(h, 0xcc9e2d51); h = imul((h << 15) | (h >>> -15), 0x1b873593); h = imul((h << 13) | (h >>> -13), 5); h = ((h + 0xe6546b64) | 0) ^ size; h = imul(h ^ (h >>> 16), 0x85ebca6b); h = imul(h ^ (h >>> 13), 0xc2b2ae35); h = smi(h ^ (h >>> 16)); return h; } function hashMerge(a, b) { return (a ^ (b + 0x9e3779b9 + (a << 6) + (a >> 2))) | 0; // int } var OrderedSet = /*@__PURE__*/(function (Set) { function OrderedSet(value) { return value === undefined || value === null ? emptyOrderedSet() : isOrderedSet(value) ? value : emptyOrderedSet().withMutations(function (set) { var iter = SetCollection(value); assertNotInfinite(iter.size); iter.forEach(function (v) { return set.add(v); }); }); } if ( Set ) OrderedSet.__proto__ = Set; OrderedSet.prototype = Object.create( Set && Set.prototype ); OrderedSet.prototype.constructor = OrderedSet; OrderedSet.of = function of (/*...values*/) { return this(arguments); }; OrderedSet.fromKeys = function fromKeys (value) { return this(KeyedCollection(value).keySeq()); }; OrderedSet.prototype.toString = function toString () { return this.__toString('OrderedSet {', '}'); }; return OrderedSet; }(Set)); OrderedSet.isOrderedSet = isOrderedSet; var OrderedSetPrototype = OrderedSet.prototype; OrderedSetPrototype[IS_ORDERED_SYMBOL] = true; OrderedSetPrototype.zip = IndexedCollectionPrototype.zip; OrderedSetPrototype.zipWith = IndexedCollectionPrototype.zipWith; OrderedSetPrototype.zipAll = IndexedCollectionPrototype.zipAll; OrderedSetPrototype.__empty = emptyOrderedSet; OrderedSetPrototype.__make = makeOrderedSet; function makeOrderedSet(map, ownerID) { var set = Object.create(OrderedSetPrototype); set.size = map ? map.size : 0; set._map = map; set.__ownerID = ownerID; return set; } var EMPTY_ORDERED_SET; function emptyOrderedSet() { return ( EMPTY_ORDERED_SET || (EMPTY_ORDERED_SET = makeOrderedSet(emptyOrderedMap())) ); } function throwOnInvalidDefaultValues(defaultValues) { if (isRecord(defaultValues)) { throw new Error( 'Can not call `Record` with an immutable Record as default values. Use a plain javascript object instead.' ); } if (isImmutable(defaultValues)) { throw new Error( 'Can not call `Record` with an immutable Collection as default values. Use a plain javascript object instead.' ); } if (defaultValues === null || typeof defaultValues !== 'object') { throw new Error( 'Can not call `Record` with a non-object as default values. Use a plain javascript object instead.' ); } } var Record = function Record(defaultValues, name) { var hasInitialized; throwOnInvalidDefaultValues(defaultValues); var RecordType = function Record(values) { var this$1$1 = this; if (values instanceof RecordType) { return values; } if (!(this instanceof RecordType)) { return new RecordType(values); } if (!hasInitialized) { hasInitialized = true; var keys = Object.keys(defaultValues); var indices = (RecordTypePrototype._indices = {}); // Deprecated: left to attempt not to break any external code which // relies on a ._name property existing on record instances. // Use Record.getDescriptiveName() instead RecordTypePrototype._name = name; RecordTypePrototype._keys = keys; RecordTypePrototype._defaultValues = defaultValues; for (var i = 0; i < keys.length; i++) { var propName = keys[i]; indices[propName] = i; if (RecordTypePrototype[propName]) { /* eslint-disable no-console */ typeof console === 'object' && console.warn && console.warn( 'Cannot define ' + recordName(this) + ' with property "' + propName + '" since that property name is part of the Record API.' ); /* eslint-enable no-console */ } else { setProp(RecordTypePrototype, propName); } } } this.__ownerID = undefined; this._values = List().withMutations(function (l) { l.setSize(this$1$1._keys.length); KeyedCollection(values).forEach(function (v, k) { l.set(this$1$1._indices[k], v === this$1$1._defaultValues[k] ? undefined : v); }); }); return this; }; var RecordTypePrototype = (RecordType.prototype = Object.create(RecordPrototype)); RecordTypePrototype.constructor = RecordType; if (name) { RecordType.displayName = name; } return RecordType; }; Record.prototype.toString = function toString () { var str = recordName(this) + ' { '; var keys = this._keys; var k; for (var i = 0, l = keys.length; i !== l; i++) { k = keys[i]; str += (i ? ', ' : '') + k + ': ' + quoteString(this.get(k)); } return str + ' }'; }; Record.prototype.equals = function equals (other) { return ( this === other || (isRecord(other) && recordSeq(this).equals(recordSeq(other))) ); }; Record.prototype.hashCode = function hashCode () { return recordSeq(this).hashCode(); }; // @pragma Access Record.prototype.has = function has (k) { return this._indices.hasOwnProperty(k); }; Record.prototype.get = function get (k, notSetValue) { if (!this.has(k)) { return notSetValue; } var index = this._indices[k]; var value = this._values.get(index); return value === undefined ? this._defaultValues[k] : value; }; // @pragma Modification Record.prototype.set = function set (k, v) { if (this.has(k)) { var newValues = this._values.set( this._indices[k], v === this._defaultValues[k] ? undefined : v ); if (newValues !== this._values && !this.__ownerID) { return makeRecord(this, newValues); } } return this; }; Record.prototype.remove = function remove (k) { return this.set(k); }; Record.prototype.clear = function clear () { var newValues = this._values.clear().setSize(this._keys.length); return this.__ownerID ? this : makeRecord(this, newValues); }; Record.prototype.wasAltered = function wasAltered () { return this._values.wasAltered(); }; Record.prototype.toSeq = function toSeq () { return recordSeq(this); }; Record.prototype.toJS = function toJS$1 () { return toJS(this); }; Record.prototype.entries = function entries () { return this.__iterator(ITERATE_ENTRIES); }; Record.prototype.__iterator = function __iterator (type, reverse) { return recordSeq(this).__iterator(type, reverse); }; Record.prototype.__iterate = function __iterate (fn, reverse) { return recordSeq(this).__iterate(fn, reverse); }; Record.prototype.__ensureOwner = function __ensureOwner (ownerID) { if (ownerID === this.__ownerID) { return this; } var newValues = this._values.__ensureOwner(ownerID); if (!ownerID) { this.__ownerID = ownerID; this._values = newValues; return this; } return makeRecord(this, newValues, ownerID); }; Record.isRecord = isRecord; Record.getDescriptiveName = recordName; var RecordPrototype = Record.prototype; RecordPrototype[IS_RECORD_SYMBOL] = true; RecordPrototype[DELETE] = RecordPrototype.remove; RecordPrototype.deleteIn = RecordPrototype.removeIn = deleteIn; RecordPrototype.getIn = getIn; RecordPrototype.hasIn = CollectionPrototype.hasIn; RecordPrototype.merge = merge$1; RecordPrototype.mergeWith = mergeWith$1; RecordPrototype.mergeIn = mergeIn; RecordPrototype.mergeDeep = mergeDeep; RecordPrototype.mergeDeepWith = mergeDeepWith; RecordPrototype.mergeDeepIn = mergeDeepIn; RecordPrototype.setIn = setIn; RecordPrototype.update = update; RecordPrototype.updateIn = updateIn; RecordPrototype.withMutations = withMutations; RecordPrototype.asMutable = asMutable; RecordPrototype.asImmutable = asImmutable; RecordPrototype[ITERATOR_SYMBOL] = RecordPrototype.entries; RecordPrototype.toJSON = RecordPrototype.toObject = CollectionPrototype.toObject; RecordPrototype.inspect = RecordPrototype.toSource = function () { return this.toString(); }; function makeRecord(likeRecord, values, ownerID) { var record = Object.create(Object.getPrototypeOf(likeRecord)); record._values = values; record.__ownerID = ownerID; return record; } function recordName(record) { return record.constructor.displayName || record.constructor.name || 'Record'; } function recordSeq(record) { return keyedSeqFromValue(record._keys.map(function (k) { return [k, record.get(k)]; })); } function setProp(prototype, name) { try { Object.defineProperty(prototype, name, { get: function () { return this.get(name); }, set: function (value) { invariant(this.__ownerID, 'Cannot set on an immutable record.'); this.set(name, value); }, }); } catch (error) { // Object.defineProperty failed. Probably IE8. } } /** * Returns a lazy Seq of `value` repeated `times` times. When `times` is * undefined, returns an infinite sequence of `value`. */ var Repeat = /*@__PURE__*/(function (IndexedSeq) { function Repeat(value, times) { if (!(this instanceof Repeat)) { return new Repeat(value, times); } this._value = value; this.size = times === undefined ? Infinity : Math.max(0, times); if (this.size === 0) { if (EMPTY_REPEAT) { return EMPTY_REPEAT; } EMPTY_REPEAT = this; } } if ( IndexedSeq ) Repeat.__proto__ = IndexedSeq; Repeat.prototype = Object.create( IndexedSeq && IndexedSeq.prototype ); Repeat.prototype.constructor = Repeat; Repeat.prototype.toString = function toString () { if (this.size === 0) { return 'Repeat []'; } return 'Repeat [ ' + this._value + ' ' + this.size + ' times ]'; }; Repeat.prototype.get = function get (index, notSetValue) { return this.has(index) ? this._value : notSetValue; }; Repeat.prototype.includes = function includes (searchValue) { return is(this._value, searchValue); }; Repeat.prototype.slice = function slice (begin, end) { var size = this.size; return wholeSlice(begin, end, size) ? this : new Repeat( this._value, resolveEnd(end, size) - resolveBegin(begin, size) ); }; Repeat.prototype.reverse = function reverse () { return this; }; Repeat.prototype.indexOf = function indexOf (searchValue) { if (is(this._value, searchValue)) { return 0; } return -1; }; Repeat.prototype.lastIndexOf = function lastIndexOf (searchValue) { if (is(this._value, searchValue)) { return this.size; } return -1; }; Repeat.prototype.__iterate = function __iterate (fn, reverse) { var size = this.size; var i = 0; while (i !== size) { if (fn(this._value, reverse ? size - ++i : i++, this) === false) { break; } } return i; }; Repeat.prototype.__iterator = function __iterator (type, reverse) { var this$1$1 = this; var size = this.size; var i = 0; return new Iterator(function () { return i === size ? iteratorDone() : iteratorValue(type, reverse ? size - ++i : i++, this$1$1._value); } ); }; Repeat.prototype.equals = function equals (other) { return other instanceof Repeat ? is(this._value, other._value) : deepEqual(other); }; return Repeat; }(IndexedSeq)); var EMPTY_REPEAT; function fromJS(value, converter) { return fromJSWith( [], converter || defaultConverter, value, '', converter && converter.length > 2 ? [] : undefined, { '': value } ); } function fromJSWith(stack, converter, value, key, keyPath, parentValue) { if ( typeof value !== 'string' && !isImmutable(value) && (isArrayLike(value) || hasIterator(value) || isPlainObject(value)) ) { if (~stack.indexOf(value)) { throw new TypeError('Cannot convert circular structure to Immutable'); } stack.push(value); keyPath && key !== '' && keyPath.push(key); var converted = converter.call( parentValue, key, Seq(value).map(function (v, k) { return fromJSWith(stack, converter, v, k, keyPath, value); } ), keyPath && keyPath.slice() ); stack.pop(); keyPath && keyPath.pop(); return converted; } return value; } function defaultConverter(k, v) { // Effectively the opposite of "Collection.toSeq()" return isIndexed(v) ? v.toList() : isKeyed(v) ? v.toMap() : v.toSet(); } var version = "4.2.1"; var Immutable = { version: version, Collection: Collection, // Note: Iterable is deprecated Iterable: Collection, Seq: Seq, Map: Map, OrderedMap: OrderedMap, List: List, Stack: Stack, Set: Set, OrderedSet: OrderedSet, Record: Record, Range: Range, Repeat: Repeat, is: is, fromJS: fromJS, hash: hash, isImmutable: isImmutable, isCollection: isCollection, isKeyed: isKeyed, isIndexed: isIndexed, isAssociative: isAssociative, isOrdered: isOrdered, isValueObject: isValueObject, isPlainObject: isPlainObject, isSeq: isSeq, isList: isList, isMap: isMap, isOrderedMap: isOrderedMap, isStack: isStack, isSet: isSet, isOrderedSet: isOrderedSet, isRecord: isRecord, get: get, getIn: getIn$1, has: has, hasIn: hasIn$1, merge: merge, mergeDeep: mergeDeep$1, mergeWith: mergeWith, mergeDeepWith: mergeDeepWith$1, remove: remove, removeIn: removeIn, set: set, setIn: setIn$1, update: update$1, updateIn: updateIn$1, }; // Note: Iterable is deprecated var Iterable = Collection; exports.Collection = Collection; exports.Iterable = Iterable; exports.List = List; exports.Map = Map; exports.OrderedMap = OrderedMap; exports.OrderedSet = OrderedSet; exports.Range = Range; exports.Record = Record; exports.Repeat = Repeat; exports.Seq = Seq; exports.Set = Set; exports.Stack = Stack; exports.default = Immutable; exports.fromJS = fromJS; exports.get = get; exports.getIn = getIn$1; exports.has = has; exports.hasIn = hasIn$1; exports.hash = hash; exports.is = is; exports.isAssociative = isAssociative; exports.isCollection = isCollection; exports.isImmutable = isImmutable; exports.isIndexed = isIndexed; exports.isKeyed = isKeyed; exports.isList = isList; exports.isMap = isMap; exports.isOrdered = isOrdered; exports.isOrderedMap = isOrderedMap; exports.isOrderedSet = isOrderedSet; exports.isPlainObject = isPlainObject; exports.isRecord = isRecord; exports.isSeq = isSeq; exports.isSet = isSet; exports.isStack = isStack; exports.isValueObject = isValueObject; exports.merge = merge; exports.mergeDeep = mergeDeep$1; exports.mergeDeepWith = mergeDeepWith$1; exports.mergeWith = mergeWith; exports.remove = remove; exports.removeIn = removeIn; exports.set = set; exports.setIn = setIn$1; exports.update = update$1; exports.updateIn = updateIn$1; exports.version = version; Object.defineProperty(exports, '__esModule', { value: true }); })));