48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow strict
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* @format
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*/
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// These annotations are copy/pasted from the built-in Flow definitions for
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// Native Promises with some non-standard APIs added in
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declare class Promise<+R> {
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constructor(
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callback: (
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resolve: (result?: Promise<R> | R) => void,
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reject: (error?: any) => void,
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) => mixed,
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): void;
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then<U>(
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onFulfill?: ?(value: R) => Promise<U> | ?U,
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onReject?: ?(error: any) => Promise<U> | ?U,
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): Promise<U>;
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catch<U>(onReject?: (error: any) => ?Promise<U> | U): Promise<U>;
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static resolve<T>(object?: Promise<T> | T): Promise<T>;
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static reject<T>(error?: any): Promise<T>;
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static all<T: Iterable<mixed>>(
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promises: T,
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): Promise<$TupleMap<T, typeof $await>>;
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static race<T>(promises: Array<Promise<T>>): Promise<T>;
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// Non-standard APIs
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// See https://github.com/facebook/fbjs/blob/master/packages/fbjs/src/__forks__/Promise.native.js#L21
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finally<U>(onFinally?: ?(value: any) => Promise<U> | U): Promise<U>;
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done<U>(
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onFulfill?: ?(value: R) => mixed,
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onReject?: ?(error: any) => mixed,
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): void;
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static cast<T>(object?: T): Promise<T>;
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}
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