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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 */ import { Group, ITEM_NOT_FOUND_MSG, MULTIPLE_INSTANCES_FOUND_MSG } from './common'; /** * @record * @template T */ export function IList() { } if (false) { /** * @param {?} item * @return {?} */ IList.prototype.add = function (item) { }; /** * @param {?} items * @return {?} */ IList.prototype.addRange = function (items) { }; /** * @param {?} predicate * @return {?} */ IList.prototype.remove = function (predicate) { }; /** * @param {?} index * @return {?} */ IList.prototype.removeAt = function (index) { }; /** * @return {?} */ IList.prototype.clear = function () { }; } /** * @template T */ var /** * @template T */ List = /** @class */ (function () { function List(array) { if (array === void 0) { array = null; } this.list = new Array(); if (array) this.list = array; } /* IList */ /* IList */ /** * @param {?} item * @return {?} */ List.prototype.add = /* IList */ /** * @param {?} item * @return {?} */ function (item) { this.list.push(item); }; /** * @param {?} items * @return {?} */ List.prototype.addRange = /** * @param {?} items * @return {?} */ function (items) { var _this = this; items.forEach((/** * @param {?} x * @return {?} */ function (x) { return _this.add(x); })); }; /** * @param {?} predicate * @return {?} */ List.prototype.remove = /** * @param {?} predicate * @return {?} */ function (predicate) { /** @type {?} */ var temp = new Array(); this.list.forEach((/** * @param {?} element * @return {?} */ function (element) { if (!predicate(element)) { temp.push(element); } })); this.list = temp; }; /** * @param {?} index * @return {?} */ List.prototype.removeAt = /** * @param {?} index * @return {?} */ function (index) { this.list.splice(index, 1); }; /** * @return {?} */ List.prototype.clear = /** * @return {?} */ function () { this.list = new Array(); }; /* IEnumerable */ /* IEnumerable */ /** * @return {?} */ List.prototype.asEnumerable = /* IEnumerable */ /** * @return {?} */ function () { return this; }; Object.defineProperty(List.prototype, "length", { get: /** * @return {?} */ function () { return this.list.length; }, enumerable: true, configurable: true }); /** * @param {?} index * @return {?} */ List.prototype.elementAt = /** * @param {?} index * @return {?} */ function (index) { try { return this.list[index]; } catch (e) { return null; } }; /** * @param {?=} predicate * @return {?} */ List.prototype.any = /** * @param {?=} predicate * @return {?} */ function (predicate) { if (!predicate) { return this.list.length > 0; } for (var i = 0; i < this.list.length; i++) { if (predicate(this.list[i])) { return true; } } return false; }; /** * @param {?=} predicate * @return {?} */ List.prototype.all = /** * @param {?=} predicate * @return {?} */ function (predicate) { if (!predicate) { return this.list.length > 0; } for (var i = 0; i < this.list.length; i++) { if (!predicate(this.list[i])) { return false; } } return true; }; /** * @param {?=} predicate * @return {?} */ List.prototype.single = /** * @param {?=} predicate * @return {?} */ function (predicate) { if (predicate === void 0) { predicate = null; } if (this.list.length <= 0) { throw ITEM_NOT_FOUND_MSG; } if (predicate) { /** @type {?} */ var item = this.singleOrDefault(predicate); if (!item) { throw ITEM_NOT_FOUND_MSG; } return item; } return this.list[0]; }; /** * @param {?=} predicate * @return {?} */ List.prototype.first = /** * @param {?=} predicate * @return {?} */ function (predicate) { if (predicate === void 0) { predicate = null; } if (this.list.length <= 0) { throw ITEM_NOT_FOUND_MSG; } if (predicate) { /** @type {?} */ var item = this.firstOrDefault(predicate); if (!item) { throw ITEM_NOT_FOUND_MSG; } return item; } return this.list[0]; }; /** * @param {?=} predicate * @return {?} */ List.prototype.last = /** * @param {?=} predicate * @return {?} */ function (predicate) { if (predicate === void 0) { predicate = null; } if (this.list.length <= 0) { throw ITEM_NOT_FOUND_MSG; } if (predicate) { /** @type {?} */ var item = this.lastOrDefault(predicate); if (!item) { throw ITEM_NOT_FOUND_MSG; } return item; } return this.list[this.list.length - 1]; }; /** * @param {?} predicate * @return {?} */ List.prototype.singleOrDefault = /** * @param {?} predicate * @return {?} */ function (predicate) { /** @type {?} */ var temp = new Array(); this.list.filter((/** * @param {?} element * @return {?} */ function (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 {?} */ List.prototype.firstOrDefault = /** * @param {?} predicate * @return {?} */ function (predicate) { for (var i = 0; i < this.length; i++) { /** @type {?} */ var item = this.list[i]; if (predicate(item)) { return item; } } return null; }; /** * @param {?} predicate * @return {?} */ List.prototype.lastOrDefault = /** * @param {?} predicate * @return {?} */ function (predicate) { for (var i = this.length; i >= 0; i--) { /** @type {?} */ var item = this.list[i - 1]; if (predicate(item)) { return item; } } return null; }; /** * @param {?} predicate * @return {?} */ List.prototype.where = /** * @param {?} predicate * @return {?} */ function (predicate) { /** @type {?} */ var temp = new List(); this.list.filter((/** * @param {?} element * @return {?} */ function (element) { if (predicate(element)) { temp.add(element); } })); return temp; }; /** * @template TResult * @param {?} predicate * @return {?} */ List.prototype.select = /** * @template TResult * @param {?} predicate * @return {?} */ function (predicate) { /** @type {?} */ var temp = new List(); this.forEach((/** * @param {?} x * @return {?} */ function (x) { return temp.add(predicate(x)); })); return temp; }; /** * @param {?} predicate * @return {?} */ List.prototype.forEach = /** * @param {?} predicate * @return {?} */ function (predicate) { this.list.forEach((/** * @param {?} x * @return {?} */ function (x) { return predicate(x); })); }; /** * @return {?} */ List.prototype.toArray = /** * @return {?} */ function () { return this.list.slice(); }; /** * @template TOuter, TMatch, TResult * @param {?} outer * @param {?} conditionInner * @param {?} conditionOuter * @param {?} select * @param {?=} leftJoin * @return {?} */ List.prototype.join = /** * @template TOuter, TMatch, TResult * @param {?} outer * @param {?} conditionInner * @param {?} conditionOuter * @param {?} select * @param {?=} leftJoin * @return {?} */ function (outer, conditionInner, conditionOuter, select, leftJoin) { if (leftJoin === void 0) { leftJoin = false; } /** @type {?} */ var resultList = new List(); this.list.forEach((/** * @param {?} x * @return {?} */ function (x) { /** @type {?} */ var outerEntries = outer.toArray().filter((/** * @param {?} y * @return {?} */ function (y) { return conditionInner(x) === conditionOuter(y); })); if (leftJoin && outerEntries && outerEntries.length <= 0) { resultList.add(select(x, null)); } else { outerEntries.forEach((/** * @param {?} z * @return {?} */ function (z) { return resultList.add(select(x, z)); })); } })); return resultList; }; /** * @param {?} predicate * @return {?} */ List.prototype.groupBy = /** * @param {?} predicate * @return {?} */ function (predicate) { /** @type {?} */ var 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 {?} */ var g = Object.keys(groups).map((/** * @param {?} group * @return {?} */ function (group) { /** @type {?} */ var a = group.substr(1, group.length - 2); /** @type {?} */ var grp = new Group(new List(a.split(',')).select((/** * @param {?} x * @return {?} */ function (x) { return x.replace(/^(")?(.*?)(")?$/ig, "$2"); })).toArray(), groups[group]); return grp; })); return new List(g); }; /** * @template TResult * @param {?} predicate * @return {?} */ List.prototype.selectMany = /** * @template TResult * @param {?} predicate * @return {?} */ function (predicate) { return this.list.reduce((/** * @param {?} out * @param {?} inx * @return {?} */ function (out, inx) { /** @type {?} */ var items = predicate(inx); out.addRange(items); return out; }), new List(new Array())); }; /** * @param {?} comparer * @return {?} */ List.prototype.orderBy = /** * @param {?} comparer * @return {?} */ function (comparer) { /** @type {?} */ var temp = this.list.sort((/** * @param {?} x * @param {?} y * @return {?} */ function (x, y) { return comparer.compare(x, y); })); return new List(temp); }; /** * @param {?} list * @return {?} */ List.prototype.union = /** * @param {?} list * @return {?} */ function (list) { this.addRange(list.toArray()); return this; }; /** * @return {?} */ List.prototype.reverse = /** * @return {?} */ function () { return new List(this.list.slice().reverse()); }; /** * @param {?} comparer * @return {?} */ List.prototype.distinct = /** * @param {?} comparer * @return {?} */ function (comparer) { /** @type {?} */ var uniques = new List(); this.forEach((/** * @param {?} x * @return {?} */ function (x) { if (uniques.length > 0) { if (!uniques.any((/** * @param {?} y * @return {?} */ function (y) { return comparer.equals(x, y); }))) { uniques.add(x); } } else { uniques.add(x); } })); return uniques; }; /** * @param {?} no * @return {?} */ List.prototype.skip = /** * @param {?} no * @return {?} */ function (no) { if (no > 0) { return new List(this.list.slice(no, this.list.length - 1)); } return this; }; /** * @param {?} no * @return {?} */ List.prototype.take = /** * @param {?} no * @return {?} */ function (no) { if (no > 0) { return new List(this.list.slice(0, no)); } return this; }; /** * @param {?} predicate * @return {?} */ List.prototype.sum = /** * @param {?} predicate * @return {?} */ function (predicate) { /** @type {?} */ var sum = 0; this.list.forEach((/** * @param {?} x * @return {?} */ function (x) { return sum = sum + predicate(x); })); return sum; }; /** * @param {?} predicate * @return {?} */ List.prototype.avg = /** * @param {?} predicate * @return {?} */ function (predicate) { return this.sum(predicate) / this.length; }; /** * @param {?} predicate * @return {?} */ List.prototype.min = /** * @param {?} predicate * @return {?} */ function (predicate) { /** @type {?} */ var min = 0; /** @type {?} */ var i = 0; this.list.forEach((/** * @param {?} x * @return {?} */ function (x) { if (i == 0) { min = predicate(x); } else { /** @type {?} */ var val = predicate(x); if (val < min) { min = val; } } i++; })); return min; }; /** * @param {?} predicate * @return {?} */ List.prototype.max = /** * @param {?} predicate * @return {?} */ function (predicate) { /** @type {?} */ var max = 0; /** @type {?} */ var i = 0; this.list.forEach((/** * @param {?} x * @return {?} */ function (x) { if (i == 0) { max = predicate(x); } else { /** @type {?} */ var val = predicate(x); if (val > max) { max = val; } } i++; })); return max; }; /** * @param {?=} predicate * @return {?} */ List.prototype.count = /** * @param {?=} predicate * @return {?} */ function (predicate) { if (predicate === void 0) { predicate = null; } if (!predicate) { return this.length; } /** @type {?} */ var count = 0; this.list.forEach((/** * @param {?} x * @return {?} */ function (x) { if (predicate(x)) { count++; } })); return count; }; return List; }()); /** * @template T */ export { List }; if (false) { /** * @type {?} * @private */ List.prototype.list; } //# 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{ IEnumerable, IComparer, IEqualityComparer } from './interfaces';\r\nimport { Group, objCompare, ITEM_NOT_FOUND_MSG, MULTIPLE_INSTANCES_FOUND_MSG } from './common';\r\n\r\nexport interface IList<T> extends IEnumerable<T> {\r\n    add(item: T) : void;\r\n    addRange(items: T[]) : void;\r\n    remove(predicate: (item:T) => boolean) : void;\r\n    removeAt(index: number) : void;\r\n    clear() : void;    \r\n}\r\n\r\nexport class List<T> implements IList<T> {\r\n\r\n    private list: Array<T> = new Array<T>();    \r\n\r\n    constructor(array: Array<T> = null) {\r\n        if (array)\r\n            this.list = array;\r\n    }\r\n\r\n    /* IList */\r\n\r\n    add(item: T) : void {\r\n        this.list.push(item);\r\n    }\r\n\r\n    addRange(items: T[]) : void {\r\n        items.forEach(x => this.add(x));\r\n    }\r\n\r\n    remove(predicate: (item:T) => boolean) : void {\r\n        let temp = new Array<T>();\r\n\r\n        this.list.forEach(element => {\r\n            if (!predicate(element))\r\n            {\r\n                temp.push(element);\r\n            }\r\n        });\r\n\r\n        this.list = temp;\r\n    }\r\n\r\n    removeAt(index: number) : void {\r\n        this.list.splice(index, 1);\r\n    }\r\n\r\n    clear() : void {\r\n        this.list = new Array<T>();\r\n    }\r\n\r\n    /* IEnumerable */\r\n\r\n    asEnumerable() : IEnumerable<T> {\r\n        return this;\r\n    }\r\n\r\n    get length(): number {\r\n        return this.list.length;\r\n    }\r\n\r\n    elementAt(index: number) : T {\r\n        try {\r\n            return this.list[index];\r\n        }\r\n        catch (e) {\r\n            return null;\r\n        }\r\n    }\r\n\r\n    any(predicate?: (item: T)=> boolean) : boolean {\r\n        if (!predicate) {\r\n            return this.list.length > 0;\r\n        }\r\n\r\n        for (let i=0; i<this.list.length; i++) {\r\n            if (predicate(this.list[i]))\r\n            {\r\n                return true;\r\n            }\r\n        }\r\n        return false;\r\n    }\r\n\r\n    all(predicate?: (item: T)=> boolean) : boolean {\r\n        if (!predicate) {\r\n            return this.list.length > 0;\r\n        }\r\n        \r\n        for (let i=0; i<this.list.length; i++) {\r\n            if (!predicate(this.list[i]))\r\n            {\r\n                return false;\r\n            }\r\n        }\r\n        return true;\r\n    }\r\n\r\n    single(predicate: (item: T)=> boolean = null) : T {\r\n        if (this.list.length <= 0) {\r\n            throw ITEM_NOT_FOUND_MSG;\r\n        }\r\n\r\n        if (predicate) {\r\n            let item = this.singleOrDefault(predicate);\r\n\r\n            if (!item) {\r\n                throw ITEM_NOT_FOUND_MSG;\r\n            }\r\n\r\n            return item;\r\n        }\r\n        \r\n        return this.list[0];\r\n    }\r\n\r\n    first(predicate: (item: T)=> boolean = null) : T {\r\n        if (this.list.length <= 0) {\r\n            throw ITEM_NOT_FOUND_MSG;\r\n        }\r\n\r\n        if (predicate) {\r\n            let item = this.firstOrDefault(predicate);\r\n\r\n            if (!item) {\r\n                throw ITEM_NOT_FOUND_MSG;\r\n            }\r\n\r\n            return item;\r\n        }\r\n        \r\n        return this.list[0];\r\n    }\r\n    \r\n    last(predicate: (item: T)=> boolean = null) : T {\r\n        if (this.list.length <= 0) {\r\n            throw ITEM_NOT_FOUND_MSG;\r\n        }\r\n\r\n        if (predicate) {\r\n            let item = this.lastOrDefault(predicate);\r\n\r\n            if (!item) {\r\n                throw ITEM_NOT_FOUND_MSG;\r\n            }\r\n\r\n            return item;\r\n        }\r\n\r\n        return this.list[this.list.length - 1];\r\n    }    \r\n\r\n    singleOrDefault(predicate: (item: T)=> boolean) : T {\r\n        let temp = new Array<T>();\r\n\r\n        this.list.filter(element => {\r\n            if (predicate(element))\r\n            {\r\n                temp.push(element);\r\n            }\r\n        });\r\n\r\n        if (temp.length > 1) {\r\n            throw MULTIPLE_INSTANCES_FOUND_MSG;\r\n        }\r\n\r\n        if (temp.length <= 0) {\r\n            return null;\r\n        }\r\n\r\n        return temp[0];\r\n    }    \r\n\r\n    firstOrDefault(predicate: (item: T)=> boolean) : T {\r\n        for (let i=0; i<this.length; i++) {\r\n            let item = this.list[i];\r\n            if (predicate(item))\r\n            {\r\n                return item;\r\n            }\r\n        }\r\n\r\n        return null;\r\n    }\r\n\r\n    lastOrDefault(predicate: (item: T)=> boolean) : T {\r\n        for (let i=this.length; i>=0; i--) {\r\n            let item = this.list[i - 1];\r\n            if (predicate(item))\r\n            {\r\n                return item;\r\n            }\r\n        }\r\n\r\n        return null;\r\n    }    \r\n\r\n    where(predicate: (item: T)=> boolean) : IEnumerable<T> {\r\n        let temp = new List<T>();\r\n\r\n        this.list.filter(element => {\r\n            if (predicate(element))\r\n            {\r\n                temp.add(element);\r\n            }\r\n        });\r\n\r\n        return temp;\r\n    }\r\n\r\n    select<TResult>(predicate: (item: T)=> TResult) : IEnumerable<TResult> {\r\n        let temp = new List<TResult>();\r\n\r\n        this.forEach(x => temp.add(predicate(x)));\r\n\r\n        return temp;\r\n    }\r\n\r\n    forEach(predicate: (item: T)=> void) : void {\r\n        this.list.forEach(x => predicate(x));\r\n    }\r\n\r\n    toArray() : Array<T> {\r\n        return this.list.slice();\r\n    }\r\n\r\n    join<TOuter, TMatch, TResult>(outer: IEnumerable<TOuter>, conditionInner: (item: T)=> TMatch, \r\n                                    conditionOuter: (item: TOuter)=> TMatch, select: (x: T, y:TOuter)=> TResult, leftJoin: boolean = false) : IEnumerable<TResult> {\r\n        let resultList = new List<TResult>();\r\n\r\n        this.list.forEach(x => {\r\n            let outerEntries = outer.toArray().filter(y => conditionInner(x) === conditionOuter(y));\r\n\r\n            if (leftJoin && outerEntries && outerEntries.length <= 0) {\r\n                resultList.add(select(x, null));\r\n            }\r\n            else {\r\n                outerEntries.forEach(z => resultList.add(select(x, z)));\r\n            }\r\n        })\r\n\r\n        return resultList;\r\n    }\r\n\r\n    groupBy(predicate: (item: T) => Array<any>) : IEnumerable<Group<T>> {\r\n        let groups = {};\r\n        this.list.forEach(function (o) {\r\n          var group = JSON.stringify(predicate(o));\r\n          groups[group] = groups[group] || [];\r\n          groups[group].push(o);\r\n        });\r\n        let g = Object.keys(groups).map(function (group) {             \r\n            let a = group.substr(1, group.length - 2);            \r\n\r\n            let grp= new Group<T>(new List(a.split(',')).select(x => x.replace(/^(\")?(.*?)(\")?$/ig, \"$2\")).toArray(), \r\n                                    groups[group]);\r\n\r\n            return grp;\r\n        });\r\n\r\n        return new List<Group<T>>(g);        \r\n    }\r\n\r\n    selectMany<TResult>(predicate: (item: T)=> Array<TResult>) : IEnumerable<TResult> {\r\n        return this.list.reduce((out, inx) => {\r\n            var items = predicate(inx);\r\n            out.addRange(items);\r\n            return out;\r\n          }, new List<TResult>(new Array<TResult>()));\r\n    }\r\n\r\n    orderBy(comparer: IComparer<T>) : IEnumerable<T> {\r\n        let temp = this.list.sort((x,y) => comparer.compare(x, y));\r\n\r\n        return new List<T>(temp);\r\n    }\r\n\r\n    union(list: IEnumerable<T>) : IEnumerable<T> {\r\n        this.addRange(list.toArray());\r\n\r\n         return this;\r\n    }\r\n\r\n    reverse(): IEnumerable<T> {\r\n        return new List<T>(this.list.slice().reverse());\r\n    }\r\n\r\n    distinct(comparer: IEqualityComparer<T>) : IEnumerable<T> {\r\n        let uniques = new List<T>();\r\n        this.forEach(x => {\r\n            if (uniques.length > 0) {\r\n                if (!uniques.any(y => comparer.equals(x, y)))\r\n                {\r\n                    uniques.add(x);\r\n                }               \r\n            }\r\n            else {\r\n                uniques.add(x);\r\n            }\r\n        });\r\n\r\n        return uniques;\r\n    }\r\n\r\n    skip(no: number) : IEnumerable<T> {\r\n        if (no > 0) {\r\n            return new List(this.list.slice(no, this.list.length - 1));\r\n        }\r\n        \r\n        return this;\r\n    }\r\n\r\n    take(no: number) : IEnumerable<T> {\r\n        if (no > 0) {\r\n            return new List(this.list.slice(0, no));\r\n        }        \r\n\r\n        return this;\r\n    }\r\n\r\n    sum(predicate: (item: T)=> number) : number {\r\n        let sum: number = 0;\r\n        this.list.forEach(x => sum = sum + predicate(x));\r\n\r\n        return sum;\r\n    }\r\n\r\n    avg(predicate: (item: T)=> number) : number {        \r\n        return this.sum(predicate) / this.length;\r\n    }\r\n\r\n    min(predicate: (item: T)=> number) : number {\r\n        let min: number = 0;\r\n        let i = 0;\r\n        this.list.forEach(x => \r\n        {\r\n            if (i == 0) {\r\n                min = predicate(x);\r\n            }\r\n            else {\r\n                let val = predicate(x);\r\n                if (val < min) {\r\n                    min = val;\r\n                }\r\n            }            \r\n            i++;\r\n        });\r\n\r\n        return min;\r\n    }\r\n    \r\n    max(predicate: (item: T)=> number) : number {\r\n        let max: number = 0;\r\n        let i = 0;\r\n        this.list.forEach(x => \r\n        {\r\n            if (i == 0) {\r\n                max = predicate(x);\r\n            }\r\n            else {\r\n                let val = predicate(x);\r\n                if (val > max) {\r\n                    max = val;\r\n                }\r\n            }            \r\n            i++;\r\n        });\r\n\r\n        return max;\r\n    }    \r\n    \r\n    count(predicate: (item: T)=> boolean = null) : number {\r\n        if (!predicate) {\r\n            return this.length;\r\n        }\r\n\r\n        let count: number = 0;\r\n        this.list.forEach(x => {\r\n            if(predicate(x)) {\r\n                count++;\r\n            }\r\n        });\r\n\r\n        return count;\r\n    }\r\n\r\n}"]}