TypeScript/lib/lib.es2015.promise.d.ts

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/// <reference no-default-lib="true"/>


interface PromiseConstructor {
    /**
     * A reference to the prototype.
     */
    readonly prototype: Promise<any>;

    /**
     * Creates a new Promise.
     * @param executor A callback used to initialize the promise. This callback is passed two arguments:
     * a resolve callback used to resolve the promise with a value or the result of another promise,
     * and a reject callback used to reject the promise with a provided reason or error.
     */
    new <T>(executor: (resolve: (value: T | PromiseLike<T>) => void, reject: (reason?: any) => void) => void): Promise<T>;

    /**
     * Creates a Promise that is resolved with an array of results when all of the provided Promises
     * resolve, or rejected when any Promise is rejected.
     * @param values An array of Promises.
     * @returns A new Promise.
     */
    all<T extends readonly unknown[] | []>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]> }>;

    // see: lib.es2015.iterable.d.ts
    // all<T>(values: Iterable<T | PromiseLike<T>>): Promise<Awaited<T>[]>;

    /**
     * Creates a Promise that is resolved or rejected when any of the provided Promises are resolved
     * or rejected.
     * @param values An array of Promises.
     * @returns A new Promise.
     */
    race<T extends readonly unknown[] | []>(values: T): Promise<Awaited<T[number]>>;

    // see: lib.es2015.iterable.d.ts
    // race<T>(values: Iterable<T | PromiseLike<T>>): Promise<Awaited<T>>;

    /**
     * Creates a new rejected promise for the provided reason.
     * @param reason The reason the promise was rejected.
     * @returns A new rejected Promise.
     */
    reject<T = never>(reason?: any): Promise<T>;

    /**
     * Creates a new resolved promise.
     * @returns A resolved promise.
     */
    resolve(): Promise<void>;
    /**
     * Creates a new resolved promise for the provided value.
     * @param value A promise.
     * @returns A promise whose internal state matches the provided promise.
     */
    resolve<T>(value: T): Promise<Awaited<T>>;
    /**
     * Creates a new resolved promise for the provided value.
     * @param value A promise.
     * @returns A promise whose internal state matches the provided promise.
     */
    resolve<T>(value: T | PromiseLike<T>): Promise<Awaited<T>>;
}

declare var Promise: PromiseConstructor;