@ts-scratcher/array/dist/index.d.ts

array extension methods for TypeScript

interface Array<T> {
    where(predicate: (value: T) => boolean): Array<T>;
    whereNot(predicate: (value: T) => boolean): Array<T>;
    whereNull(selector: (value: T) => any): Array<T>;
    whereNotNull(selector: (value: T) => any): Array<T>;
    select<U>(select: (value: T) => U): Array<U>;
    selectMany<U>(select: (value: T) => Array<U>): Array<U>;
    add(item: T): Array<T>;
    addRange(items: T[]): Array<T>;
    any(predicate?: (value: T) => boolean): boolean;
    orderBy(selector: (value: T) => any): Array<T>;
    orderByDescending(selector: (value: T) => any): Array<T>;
    firstOrDefault(predicate?: (value: T) => boolean): T;
    lastOrDefault(predicate?: (value: T) => boolean): T;
    groupBy(selector: (value: T) => any): Array<{
        Key: any;
        Values: Array<T>;
    }>;
    sequenceEqual(target: Array<T>, predicate?: (x1: T, x2: T) => boolean): boolean;
    sum(selector?: (value: T) => number): number;
    max(selector?: (value: T) => number): number;
    min(selector?: (value: T) => number): number;
    chunk(size: number): Array<Array<T>>;
    indexValue(predicate: (x: T) => boolean): {
        index: number;
        value: T;
    };
    shuffle(): Array<T>;
    shuffleSlice(length: number): Array<T>;
    next(current: T, recursive?: boolean): T;
    previous(current: T, recursive?: boolean): T;
    take(count: number): Array<T>;
}