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ts-generic-collections-linq

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TypeScript library provides strongly-typed, queryable collections.

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/** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ /** * @template T */ class List { /** * @param {?=} array */ constructor(array = null) { this.list = new Array(); if (array) this.list = array; } /* IList */ /** * @param {?} item * @return {?} */ add(item) { this.list.push(item); } /** * @param {?} items * @return {?} */ addRange(items) { items.forEach((/** * @param {?} x * @return {?} */ x => this.add(x))); } /** * @param {?} predicate * @return {?} */ remove(predicate) { /** @type {?} */ let temp = new Array(); this.list.forEach((/** * @param {?} element * @return {?} */ element => { if (!predicate(element)) { temp.push(element); } })); this.list = temp; } /** * @param {?} index * @return {?} */ removeAt(index) { this.list.splice(index, 1); } /** * @return {?} */ clear() { this.list = new Array(); } /* IEnumerable */ /** * @return {?} */ asEnumerable() { return this; } /** * @return {?} */ get length() { return this.list.length; } /** * @param {?} index * @return {?} */ elementAt(index) { try { return this.list[index]; } catch (e) { return null; } } /** * @param {?=} predicate * @return {?} */ any(predicate) { if (!predicate) { return this.list.length > 0; } for (let i = 0; i < this.list.length; i++) { if (predicate(this.list[i])) { return true; } } return false; } /** * @param {?=} predicate * @return {?} */ all(predicate) { if (!predicate) { return this.list.length > 0; } for (let i = 0; i < this.list.length; i++) { if (!predicate(this.list[i])) { return false; } } return true; } /** * @param {?=} predicate * @return {?} */ single(predicate = null) { if (this.list.length <= 0) { throw ITEM_NOT_FOUND_MSG; } if (predicate) { /** @type {?} */ let item = this.singleOrDefault(predicate); if (!item) { throw ITEM_NOT_FOUND_MSG; } return item; } return this.list[0]; } /** * @param {?=} predicate * @return {?} */ first(predicate = null) { if (this.list.length <= 0) { throw ITEM_NOT_FOUND_MSG; } if (predicate) { /** @type {?} */ let item = this.firstOrDefault(predicate); if (!item) { throw ITEM_NOT_FOUND_MSG; } return item; } return this.list[0]; } /** * @param {?=} predicate * @return {?} */ last(predicate = null) { if (this.list.length <= 0) { throw ITEM_NOT_FOUND_MSG; } if (predicate) { /** @type {?} */ let item = this.lastOrDefault(predicate); if (!item) { throw ITEM_NOT_FOUND_MSG; } return item; } return this.list[this.list.length - 1]; } /** * @param {?} predicate * @return {?} */ singleOrDefault(predicate) { /** @type {?} */ let temp = new Array(); this.list.filter((/** * @param {?} element * @return {?} */ element => { if (predicate(element)) { temp.push(element); } })); if (temp.length > 1) { throw MULTIPLE_INSTANCES_FOUND_MSG; } if (temp.length <= 0) { return null; } return temp[0]; } /** * @param {?} predicate * @return {?} */ firstOrDefault(predicate) { for (let i = 0; i < this.length; i++) { /** @type {?} */ let item = this.list[i]; if (predicate(item)) { return item; } } return null; } /** * @param {?} predicate * @return {?} */ lastOrDefault(predicate) { for (let i = this.length; i >= 0; i--) { /** @type {?} */ let item = this.list[i - 1]; if (predicate(item)) { return item; } } return null; } /** * @param {?} predicate * @return {?} */ where(predicate) { /** @type {?} */ let temp = new List(); this.list.filter((/** * @param {?} element * @return {?} */ element => { if (predicate(element)) { temp.add(element); } })); return temp; } /** * @template TResult * @param {?} predicate * @return {?} */ select(predicate) { /** @type {?} */ let temp = new List(); this.forEach((/** * @param {?} x * @return {?} */ x => temp.add(predicate(x)))); return temp; } /** * @param {?} predicate * @return {?} */ forEach(predicate) { this.list.forEach((/** * @param {?} x * @return {?} */ x => predicate(x))); } /** * @return {?} */ toArray() { return this.list.slice(); } /** * @template TOuter, TMatch, TResult * @param {?} outer * @param {?} conditionInner * @param {?} conditionOuter * @param {?} select * @param {?=} leftJoin * @return {?} */ join(outer, conditionInner, conditionOuter, select, leftJoin = false) { /** @type {?} */ let resultList = new List(); this.list.forEach((/** * @param {?} x * @return {?} */ x => { /** @type {?} */ let outerEntries = outer.toArray().filter((/** * @param {?} y * @return {?} */ y => conditionInner(x) === conditionOuter(y))); if (leftJoin && outerEntries && outerEntries.length <= 0) { resultList.add(select(x, null)); } else { outerEntries.forEach((/** * @param {?} z * @return {?} */ z => resultList.add(select(x, z)))); } })); return resultList; } /** * @param {?} predicate * @return {?} */ groupBy(predicate) { /** @type {?} */ let groups = {}; this.list.forEach((/** * @param {?} o * @return {?} */ function (o) { /** @type {?} */ var group = JSON.stringify(predicate(o)); groups[group] = groups[group] || []; groups[group].push(o); })); /** @type {?} */ let g = Object.keys(groups).map((/** * @param {?} group * @return {?} */ function (group) { /** @type {?} */ let a = group.substr(1, group.length - 2); /** @type {?} */ let grp = new Group(new List(a.split(',')).select((/** * @param {?} x * @return {?} */ x => x.replace(/^(")?(.*?)(")?$/ig, "$2"))).toArray(), groups[group]); return grp; })); return new List(g); } /** * @template TResult * @param {?} predicate * @return {?} */ selectMany(predicate) { return this.list.reduce((/** * @param {?} out * @param {?} inx * @return {?} */ (out, inx) => { /** @type {?} */ var items = predicate(inx); out.addRange(items); return out; }), new List(new Array())); } /** * @param {?} comparer * @return {?} */ orderBy(comparer) { /** @type {?} */ let temp = this.list.sort((/** * @param {?} x * @param {?} y * @return {?} */ (x, y) => comparer.compare(x, y))); return new List(temp); } /** * @param {?} list * @return {?} */ union(list) { this.addRange(list.toArray()); return this; } /** * @return {?} */ reverse() { return new List(this.list.slice().reverse()); } /** * @param {?} comparer * @return {?} */ distinct(comparer) { /** @type {?} */ let uniques = new List(); this.forEach((/** * @param {?} x * @return {?} */ x => { if (uniques.length > 0) { if (!uniques.any((/** * @param {?} y * @return {?} */ y => comparer.equals(x, y)))) { uniques.add(x); } } else { uniques.add(x); } })); return uniques; } /** * @param {?} no * @return {?} */ skip(no) { if (no > 0) { return new List(this.list.slice(no, this.list.length - 1)); } return this; } /** * @param {?} no * @return {?} */ take(no) { if (no > 0) { return new List(this.list.slice(0, no)); } return this; } /** * @param {?} predicate * @return {?} */ sum(predicate) { /** @type {?} */ let sum = 0; this.list.forEach((/** * @param {?} x * @return {?} */ x => sum = sum + predicate(x))); return sum; } /** * @param {?} predicate * @return {?} */ avg(predicate) { return this.sum(predicate) / this.length; } /** * @param {?} predicate * @return {?} */ min(predicate) { /** @type {?} */ let min = 0; /** @type {?} */ let i = 0; this.list.forEach((/** * @param {?} x * @return {?} */ x => { if (i == 0) { min = predicate(x); } else { /** @type {?} */ let val = predicate(x); if (val < min) { min = val; } } i++; })); return min; } /** * @param {?} predicate * @return {?} */ max(predicate) { /** @type {?} */ let max = 0; /** @type {?} */ let i = 0; this.list.forEach((/** * @param {?} x * @return {?} */ x => { if (i == 0) { max = predicate(x); } else { /** @type {?} */ let val = predicate(x); if (val > max) { max = val; } } i++; })); return max; } /** * @param {?=} predicate * @return {?} */ count(predicate = null) { if (!predicate) { return this.length; } /** @type {?} */ let count = 0; this.list.forEach((/** * @param {?} x * @return {?} */ x => { if (predicate(x)) { count++; } })); return count; } } /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ /** * @template T */ class Group { /** * @param {?} groups * @param {?} list */ constructor(groups, list) { this.list = new List(); this.groups = groups; this.list = new List(list); } } /** @type {?} */ var objCompare = (/** * @param {?} obj1 * @param {?} obj2 * @return {?} */ function (obj1, obj2) { if ((typeof obj1 !== 'object' && typeof obj1 !== 'function') && (typeof obj2 !== 'object' && typeof obj2 !== 'function')) { return obj1 === obj2; } //Loop through properties in object 1 for (var p in obj1) { //Check property exists on both objects if (obj1.hasOwnProperty(p) !== obj2.hasOwnProperty(p)) return false; switch (typeof (obj1[p])) { //Deep compare objects case 'object': if (!objCompare(obj1[p], obj2[p])) return false; break; //Compare function code case 'function': if (typeof (obj2[p]) == 'undefined' || (p != 'compare' && obj1[p].toString() != obj2[p].toString())) return false; break; //Compare values default: if (obj1[p] != obj2[p]) return false; } } //Check object 2 for any extra properties for (var p in obj2) { if (typeof (obj1[p]) == 'undefined') return false; } return true; }); /** @type {?} */ const ITEM_NOT_FOUND_MSG = "Item does not exist."; /** @type {?} */ const MULTIPLE_INSTANCES_FOUND_MSG = "Multiple instances of entity found."; /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ /** * @template TKey, TValue */ class Dictionary { /** * @param {?=} list */ constructor(list = null) { this.list = new Array(); if (list) { this.list = list; } } /* IList */ /** * @param {?} key * @param {?} value * @return {?} */ add(key, value) { /** @type {?} */ let pair = new KeyValuePair(key, value); if (this.containsKey(key)) { throw "Duplicate key. Cannot add."; } this.list.push(pair); } /** * @param {?} items * @return {?} */ addRange(items) { items.forEach((/** * @param {?} x * @return {?} */ x => this.add(x.key, x.value))); } /** * @param {?} index * @return {?} */ removeAt(index) { this.list.splice(index, 1); } /** * @return {?} */ clear() { this.list = new Array(); } /** * @param {?} predicate * @return {?} */ remove(predicate) { /** @type {?} */ let temp = new Array(); this.list.forEach((/** * @param {?} element * @return {?} */ element => { if (!predicate(element)) { temp.push(element); } })); this.list = temp; } /** * @param {?} key * @return {?} */ containsKey(key) { return this.any((/** * @param {?} x * @return {?} */ x => objCompare(x.key, key))); } /** * @param {?} value * @return {?} */ containsValue(value) { return this.any((/** * @param {?} x * @return {?} */ x => objCompare(x.value, value))); } /** * @param {?} key * @return {?} */ tryGetValue(key) { /** @type {?} */ let item = this.singleOrDefault((/** * @param {?} x * @return {?} */ x => objCompare(x.key, key))); if (item) { return item.value; } return null; } /* IEnumerable */ /** * @return {?} */ asEnumerable() { return this; } /** * @return {?} */ get length() { return this.list.length; } /** * @param {?} index * @return {?} */ elementAt(index) { try { return this.list[index]; } catch (e) { return null; } } /** * @param {?=} predicate * @return {?} */ any(predicate) { if (!predicate) { return this.list.length > 0; } for (let i = 0; i < this.list.length; i++) { if (predicate(this.list[i])) { return true; } } return false; } /** * @param {?=} predicate * @return {?} */ all(predicate) { if (!predicate) { return this.list.length > 0; } for (let i = 0; i < this.list.length; i++) { if (!predicate(this.list[i])) { return false; } } return true; } /** * @param {?=} predicate * @return {?} */ single(predicate = null) { if (this.list.length <= 0) { throw ITEM_NOT_FOUND_MSG; } if (predicate) { /** @type {?} */ let item = this.singleOrDefault(predicate); if (!item) { throw ITEM_NOT_FOUND_MSG; } return item; } return this.list[0]; } /** * @param {?=} predicate * @return {?} */ first(predicate = null) { if (this.list.length <= 0) { throw ITEM_NOT_FOUND_MSG; } if (predicate) { /** @type {?} */ let item = this.firstOrDefault(predicate); if (!item) { throw ITEM_NOT_FOUND_MSG; } return item; } return this.list[0]; } /** * @param {?} predicate * @return {?} */ last(predicate) { if (this.list.length <= 0) { throw ITEM_NOT_FOUND_MSG; } if (predicate) { /** @type {?} */ let item = this.lastOrDefault(predicate); if (!item) { throw ITEM_NOT_FOUND_MSG; } return item; } return this.list[this.list.length - 1]; } /** * @param {?} predicate * @return {?} */ singleOrDefault(predicate) { /** @type {?} */ let temp = new Array(); this.list.filter((/** * @param {?} element * @return {?} */ element => { if (predicate(element)) { temp.push(element); } })); if (temp.length > 1) { throw MULTIPLE_INSTANCES_FOUND_MSG; } if (temp.length <= 0) { return null; } return temp[0]; } /** * @param {?} predicate * @return {?} */ firstOrDefault(predicate) { for (let i = 0; i < this.length; i++) { /** @type {?} */ let item = this.list[i]; if (predicate(item)) { return item; } } return null; } /** * @param {?} predicate * @return {?} */ lastOrDefault(predicate) { for (let i = this.length; i >= 0; i--) { /** @type {?} */ let item = this.list[i - 1]; if (predicate(item)) { return item; } } return null; } /** * @param {?} predicate * @return {?} */ where(predicate) { /** @type {?} */ let temp = new Dictionary(); this.list.filter((/** * @param {?} element * @return {?} */ element => { if (predicate(element)) { temp.add(element.key, element.value); } })); return temp; } /** * @template TResult * @param {?} predicate * @return {?} */ select(predicate) { /** @type {?} */ let temp = new List(); this.forEach((/** * @param {?} x * @return {?} */ x => temp.add(predicate(x)))); return temp; } /** * @param {?} predicate * @return {?} */ forEach(predicate) { this.list.forEach((/** * @param {?} x * @return {?} */ x => predicate(x))); } /** * @return {?} */ toArray() { return this.list.slice(); } /** * @template TOuter, TMatch, TResult * @param {?} outer * @param {?} conditionInner * @param {?} conditionOuter * @param {?} select * @param {?=} leftJoin * @return {?} */ join(outer, conditionInner, conditionOuter, select, leftJoin = false) { /** @type {?} */ let resultList = new List(); this.list.forEach((/** * @param {?} x * @return {?} */ x => { /** @type {?} */ let outerEntries = outer.toArray().filter((/** * @param {?} y * @return {?} */ y => conditionInner(x) === conditionOuter(y))); if (leftJoin && outerEntries && outerEntries.length <= 0) { resultList.add(select(x, null)); } else { outerEntries.forEach((/** * @param {?} z * @return {?} */ z => resultList.add(select(x, z)))); } })); return resultList; } /** * @param {?} predicate * @return {?} */ groupBy(predicate) { /** @type {?} */ let groups = {}; this.list.forEach((/** * @param {?} o * @return {?} */ function (o) { /** @type {?} */ var group = JSON.stringify(predicate(o)); groups[group] = groups[group] || []; groups[group].push(o); })); /** @type {?} */ let g = Object.keys(groups).map((/** * @param {?} group * @return {?} */ function (group) { /** @type {?} */ let a = group.substr(1, group.length - 2); /** @type {?} */ let grp = new Group(new List(a.split(',')).select((/** * @param {?} x * @return {?} */ x => x.replace(/^(")?(.*?)(")?$/ig, "$2"))).toArray(), groups[group]); return grp; })); return new List(g); } /** * @template TResult * @param {?} predicate * @return {?} */ selectMany(predicate) { return this.list.reduce((/** * @param {?} out * @param {?} inx * @return {?} */ (out, inx) => { /** @type {?} */ var items = predicate(inx); out.addRange(items); return out; }), new List(new Array())); } /** * @param {?} comparer * @return {?} */ orderBy(comparer) { /** @type {?} */ let temp = this.list.sort((/** * @param {?} x * @param {?} y * @return {?} */ (x, y) => comparer.compare(x, y))); return new List(temp); } /** * @param {?} comparer * @return {?} */ distinct(comparer) { /** @type {?} */ let uniques = new List(); this.forEach((/** * @param {?} x * @return {?} */ x => { if (uniques.length > 0) { if (!uniques.any((/** * @param {?} y * @return {?} */ y => comparer.equals(x, y)))) { uniques.add(x); } } else { uniques.add(x); } })); return uniques; } /** * @param {?} list * @return {?} */ union(list) { this.addRange(list.toArray()); return this; } /** * @return {?} */ reverse() { return new List(this.list.slice().reverse()); } /** * @param {?} no * @return {?} */ skip(no) { if (no > 0) { return new Dictionary(this.list.slice(no, this.list.length - 1)); } return this; } /** * @param {?} no * @return {?} */ take(no) { if (no > 0) { return new Dictionary(this.list.slice(0, no)); } return this; } /** * @param {?} predicate * @return {?} */ sum(predicate) { /** @type {?} */ let sum = 0; this.list.forEach((/** * @param {?} x * @return {?} */ x => sum = sum + predicate(x))); return sum; } /** * @param {?} predicate * @return {?} */ avg(predicate) { return this.sum(predicate) / this.length; } /** * @param {?} predicate * @return {?} */ min(predicate) { /** @type {?} */ let min = 0; /** @type {?} */ let i = 0; this.list.forEach((/** * @param {?} x * @return {?} */ x => { if (i == 0) { min = predicate(x); } else { /** @type {?} */ let val = predicate(x); if (val < min) { min = val; } } i++; })); return min; } /** * @param {?} predicate * @return {?} */ max(predicate) { /** @type {?} */ let max = 0; /** @type {?} */ let i = 0; this.list.forEach((/** * @param {?} x * @return {?} */ x => { if (i == 0) { max = predicate(x); } else { /** @type {?} */ let val = predicate(x); if (val > max) { max = val; } } i++; })); return max; } /** * @param {?=} predicate * @return {?} */ count(predicate = null) { if (!predicate) { return this.length; } /** @type {?} */ let count = 0; this.list.forEach((/** * @param {?} x * @return {?} */ x => { if (predicate(x)) { count++; } })); return count; } } /** * @template TKey, TValue */ class KeyValuePair { /** * @param {?} key * @param {?} value */ constructor(key, value) { this.key = key; this.value = value; } } /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ /** * @template TKey */ class StringComparer { /** * @param {?} x * @param {?} y * @return {?} */ compare(x, y) { /** @type {?} */ var xKey = (/** @type {?} */ ((/** @type {?} */ (x)))); /** @type {?} */ var yKey = (/** @type {?} */ ((/** @type {?} */ (y)))); if (xKey > yKey) { return 1; } else if (xKey == yKey) { return 0; } else { return -1; } } } /** * @template TKey */ class NumberComparer { /** * @param {?} x * @param {?} y * @return {?} */ compare(x, y) { /** @type {?} */ var xKey = (/** @type {?} */ ((/** @type {?} */ (x)))); /** @type {?} */ var yKey = (/** @type {?} */ ((/** @type {?} */ (y)))); if (xKey > yKey) { return 1; } else if (xKey == yKey) { return 0; } else { return -1; } } } /** * @template TKey, TValue */ class SortedDictionary { /** * @param {?} comparer * @param {?=} list */ constructor(comparer, list = null) { this.list = new Array(); if (list) { this.list = list; } this.comparer = comparer; if (this.list && this.list.length > 0) { if (this.comparer) { this.list.sort((/** * @param {?} x * @param {?} y * @return {?} */ (x, y) => this.comparer.compare(x.key, y.key))); } else { /** @type {?} */ var value = this.list[0].key; if (typeof value === "string") { this.comparer = new StringComparer(); this.list = this.list.sort((/** * @param {?} x * @param {?} y * @return {?} */ (x, y) => this.comparer.compare(x.key, y.key))); } else if (typeof value === "number") { this.comparer = new NumberComparer(); this.list = this.list.sort((/** * @param {?} x * @param {?} y * @return {?} */ (x, y) => this.comparer.compare(x.key, y.key))); } } } } /* IList */ /** * @param {?} key * @param {?} value * @return {?} */ add(key, value) { /** @type {?} */ let pair = new KeyValuePair(key, value); if (this.containsKey(key)) { throw "Duplicate key. Cannot add."; } this.list.push(pair); if (this.comparer) { this.list = this.list.sort((/** * @param {?} x * @param {?} y * @return {?} */ (x, y) => this.comparer.compare(x.key, y.key))); } } /** * @param {?} items * @return {?} */ addRange(items) { items.forEach((/** * @param {?} x * @return {?} */ x => this.add(x.key, x.value))); } /** * @param {?} index * @return {?} */ removeAt(index) { this.list.splice(index, 1); } /** * @return {?} */ clear() { this.list = new Array(); } /** * @param {?} predicate * @return {?} */ remove(predicate) { /** @type {?} */ let temp = new Array(); this.list.forEach((/** * @param {?} element * @return {?} */ element => { if (!predicate(element)) { temp.push(element); } })); this.list = temp; } /** * @param {?} key * @return {?} */ containsKey(key) { return this.any((/** * @param {?} x * @return {?} */ x => objCompare(x.key, key))); } /** * @param {?} value * @return {?} */ containsValue(value) { return this.any((/** * @param {?} x * @return {?} */ x => objCompare(x.value, value))); } /** * @param {?} key * @return {?} */ tryGetValue(key) { /** @type {?} */ let item = this.singleOrDefault((/** * @param {?} x * @return {?} */ x => objCompare(x.key, key))); if (item) { return item.value; } return null; } /* IEnumerable */ /** * @return {?} */ asEnumerable() { return this; } /** * @return {?} */ get length() { return this.list.length; } /** * @param {?} index * @return {?} */ elementAt(index) { try { return this.list[index]; } catch (e) { return null; } } /** * @param {?=} predicate * @return {?} */ any(predicate) { if (!predicate) { return this.list.length > 0; } for (let i = 0; i < this.list.length; i++) { if (predicate(this.list[i])) { return true; } } return false; } /** * @param {?=} predicate * @return {?} */ all(predicate) { if (!predicate) { return this.list.length > 0; } for (let i = 0; i < this.list.length; i++) { if (!predicate(this.list[i])) { return false; } } return true; } /** * @param {?=} predicate * @return {?} */ single(predicate = null) { if (this.list.length <= 0) { throw ITEM_NOT_FOUND_MSG; } if (predicate) { /** @type {?} */ let item = this.singleOrDefault(predicate); if (!item) { throw ITEM_NOT_FOUND_MSG; } return item; } return this.list[0]; } /** * @param {?=} predicate * @return {?} */ first(predicate = null) { if (this.list.length <= 0) { throw ITEM_NOT_FOUND_MSG; } if (predicate) { /** @type {?} */ let item = this.firstOrDefault(predicate); if (!item) { throw ITEM_NOT_FOUND_MSG; } return item; } return this.list[0]; } /** * @param {?} predicate * @return {?} */ last(predicate) { if (this.list.length <= 0) { throw ITEM_NOT_FOUND_MSG; } if (predicate) { /** @type {?} */ let item = this.lastOrDefault(predicate); if (!item) { throw ITEM_NOT_FOUND_MSG; } return item; } return this.list[this.list.length - 1]; } /** * @param {?} predicate * @return {?} */ singleOrDefault(predicate) { /** @type {?} */ let temp = new Array(); this.list.filter((/** * @param {?} element * @return {?} */ element => { if (predicate(element)) { temp.push(element); } })); if (temp.length > 1) { throw MULTIPLE_INSTANCES_FOUND_MSG; } if (temp.length <= 0) { return null; } return temp[0]; } /** * @param {?} predicate * @return {?} */ firstOrDefault(predicate) { for (let i = 0; i < this.length; i++) { /** @type {?} */ let item = this.list[i]; if (predicate(item)) { return item; } } return null; } /** * @param {?} predicate * @return {?} */ lastOrDefault(predicate) { for (let i = this.length; i >= 0; i--) { /** @type {?} */ let item = this.list[i - 1]; if (predicate(item)) { return item; } } return null; } /** * @param {?} predicate * @return {?} */ where(predicate) { /** @type {?} */ let temp = new Dictionary(); this.list.filter((/** * @param {?} element * @return {?} */ element => { if (predicate(element)) { temp.add(element.key, element.value); } })); return temp; } /** * @template TResult * @param {?} predicate * @return {?} */ select(predicate) { /** @type {?} */ let temp = new List(); this.forEach((/** * @param {?} x * @return {?} */ x => temp.add(predicate(x)))); return temp; } /** * @param {?} predicate * @return {?} */ forEach(predicate) { this.list.forEach((/** * @param {?} x * @return {?} */ x => predicate(x))); } /** * @return {?} */ toArray() { return this.list.slice(); } /** * @template TOuter, TMatch, TResult * @param {?} outer * @param {?} conditionInner * @param {?} conditionOuter * @param {?} select * @param {?=} leftJoin * @return {?} */ join(outer, conditionInner, conditionOuter, select, leftJoin = false) { /** @type {?} */ let resultList = new List(); this.list.forEach((/** * @param {?} x * @return {?} */ x => { /** @type {?} */ let outerEntries = outer.toArray().filter((/** * @param {?} y * @return {?} */ y => conditionInner(x) === conditionOuter(y))); if (leftJoin && outerEntries && outerEntries.length <= 0) { resultList.add(select(x, null)); } else { outerEntries.forEach((/** * @param {?} z * @return {?} */ z => resultList.add(select(x, z)))); } })); return resultList; } /** * @param {?} predicate * @return {?} */ groupBy(predicate) { /** @type {?} */ let groups = {}; this.list.forEach((/** * @param {?} o * @return {?} */ function (o) { /** @type {?} */ var group = JSON.stringify(predicate(o)); groups[group] = groups[group] || []; groups[group].push(o); })); /** @type {?} */ let g = Object.keys(groups).map((/** * @param {?} group * @return {?} */ function (group) { /** @type {?} */ let a = group.substr(1, group.length - 2); /** @type {?} */ let grp = new Group(new List(a.split(',')).select((/** * @param {?} x * @return {?} */ x => x.replace(/^(")?(.*?)(")?$/ig, "$2"))).toArray(), groups[group]); return grp; })); return new List(g); } /** * @template TResult * @param {?} predicate * @return {?} */ selectMany(predicate) { return this.list.reduce((/** * @param {?} out * @param {?} inx * @return {?} */ (out, inx) => { /** @type {?} */ var items = predicate(inx); out.addRange(items); return out; }), new List(new Array())); } /** * @param {?} comparer * @return {?} */ orderBy(comparer) { /** @type {?} */ let temp = this.list.sort((/** * @param {?} x * @param {?} y * @return {?} */ (x, y) => comparer.compare(x, y))); return new List(temp); } /** * @param {?} comparer * @return {?} */ distinct(comparer) { /** @type {?} */ let uniques = new List(); this.forEach((/** * @param {?} x * @return {?} */ x => { if (uniques.length > 0) { if (!uniques.any((/** * @param {?} y * @return {?} */ y => comparer.equals(x, y)))) { uniques.add(x); } } else { uniques.add(x); } })); return uniques; } /** * @param {?} list * @return {?} */ union(list) { this.addRange(list.toArray()); return this; } /** * @return {?} */ reverse() { return new List(this.list.slice().reverse()); } /** * @param {?} no * @return {?} */ skip(no) { if (no > 0) { return new Dictionary(this.list.slice(no, this.list.length - 1)); } return this; } /** * @param {?} no * @return {?} */ take(no) { if (no > 0) { return new Dictionary(this.list.slice(0, no)); } return this; } /** * @param {?} predicate * @return {?} */ sum(predicate) { /** @type {?} */ let sum = 0; this.list.forEach((/** * @param {?} x * @return {?} */ x => sum = sum + predicate(x))); return sum; } /** * @param {?} predicate * @return {?} */ avg(predicate) { return this.sum(predicate) / this.length; } /** * @param {?} predicate * @return {?} */ min(predicate) { /** @type {?} */ let min = 0; /** @type {?} */ let i = 0; this.list.forEach((/** * @param {?} x * @return {?} */ x => { if (i == 0) { min = predicate(x); } else { /** @type {?} */ let val = predicate(x); if (val < min) { min = val; } } i++; })); return min; } /** * @param {?} predicate * @return {?} */ max(predicate) { /** @type {?} */ let max = 0; /** @type {?} */ let i = 0; this.list.forEach((/** * @param {?} x * @return {?} */ x => { if (i == 0) { max = predicate(x); } else { /** @type {?} */ let val = predicate(x); if (val > max) { max = val; } } i++; })); return max; } /** * @param {?=} predicate * @return {?} */ count(predicate = null) { if (!predicate) { return this.length; } /** @type {?} */ let count = 0; this.list.forEach((/** * @param {?} x * @return {?} */ x => { if (predicate(x)) { count++; } })); return count; } } /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ /** * @template T */ class Queue { /** * @param {?=} array */ constructor(array = null) { this.list = new List(); if (array) this.list = new List(array); } /** * @return {?} */ clear() { this.list.clear(); } /** * @param {?} item * @return {?} */ contains(item) { return this.list.any((/** * @param {?} x * @return {?} */ x => objCompare(x, item))); } /** * @return {?} */ dequeue() { if (this.list.length > 0) { /** @type {?} */ var element = this.list.elementAt(0); this.list.removeAt(0); return element; } return null; } /** * @param {?} item * @return {?} */ enqueue(item) { this.list.add(item); } /** * @return {?} */ peek() { if (this.list.length > 0) { /** @type {?} */ var element = this.list.elementAt(0); return element; } return null; } /** * @param {?} predicate * @return {?} */ forEach(predicate) { this.list.forEach(predicate); } /** * @return {?} */ toArray() { return this.list.toArray(); } } /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ /** * @template T */ class RandomizedQueue { /** * @param {?=} array */ constructor(array = null) { this.list = new List(); this.peekIndex = -1; if (array) this.list = new List(array); } /** * @return {?} */ clear() { this.list.clear(); } /** * @param {?} item * @return {?} */ contains(item) { return this.list.any((/** * @param {?} x * @return {?} */ x => objCompare(x, item))); } /** * @return {?} */ dequeue() { if (this.list.length > 0) { /** @type {?} */ var min = 0; /** @type {?} */ var max = this.list.length; /** @type {?} */ var index = this.peekIndex >= 0 ? this.peekIndex : Math.floor(Math.random() * (max - min)) + min; /** @type {?} */ var element = this.list.elementAt(index); this.list.removeAt(index); this.peekIndex = -1; return element; } return null; } /** * @param {?} item * @return {?} */ enqueue(item) { this.list.add(item); } /** * @return {?} */ peek() { if (this.list.length > 0) { /** @type {?} */ var min = 0; /** @type {?} */ var max = this.list.length; this.peekIndex = Math.floor(Math.random() * (max - min)) + min; /** @type {?} */ var element = this.list.elementAt(this.peekIndex); return element; } return null; } /** * @param {?} predicate * @return {?} */ forEach(predicate) { this.list.forEach(predicate); } /** * @return {?} */ toArray() { return this.list.toArray(); } } /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ /** * @template T */ class Stack { /** * @param {?=} array */ constructor(array = null) { this.list = new List(); if (array) this.list = new List(array); } /** * @return {?} */ clear() { this.list.clear(); } /** * @param {?} item * @return {?} */ contains(item) { return this.list.any((/** * @param {?} x * @return {?} */ x => objCompare(x, item))); } /** * @return {?} */ pop() { if (this.list.length > 0) { /** @type {?} */ var element = this.list.elementAt(this.list.length - 1); this.list.removeAt(this.list.length - 1); return element; } return null; } /** * @param {?} item * @return {?} */ push(item) { this.list.add(item); } /** * @return {?} */ peek() { if (this.list.length > 0) { /** @type {?} */ var element = this.list.elementAt(this.list.length - 1); return element; } return null; } /** * @param {?} predicate * @return {?} */ forEach(predic