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52 lines
1.7 KiB
52 lines
1.7 KiB
// @flow
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declare class ThenPromise<+R> extends Promise<R> {
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constructor(callback: (
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resolve: (result: Promise<R> | R) => void,
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reject: (error: any) => void
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) => mixed): void;
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then(onFulfill: null | void, onReject: null | void): ThenPromise<R>;
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then<U>(
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onFulfill: null | void,
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onReject: (error: any) => Promise<U> | U
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): ThenPromise<R | U>;
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then<U>(
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onFulfill: (value: R) => Promise<U> | U,
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onReject: null | void | ((error: any) => Promise<U> | U)
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): ThenPromise<U>;
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catch(onReject: null | void): ThenPromise<R>;
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catch<U>(
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onReject: (error: any) => Promise<U> | U
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): ThenPromise<R | U>;
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// Extensions specific to then/promise
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/**
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* Attaches callbacks for the resolution and/or rejection of the ThenPromise, without returning a new promise.
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* @param onfulfilled The callback to execute when the ThenPromise is resolved.
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* @param onrejected The callback to execute when the ThenPromise is rejected.
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*/
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done(onfulfilled?: (value: R) => any, onrejected?: (reason: any) => any): void;
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/**
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* Calls a node.js style callback. If none is provided, the promise is returned.
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*/
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nodeify(callback: void | null): ThenPromise<R>;
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nodeify(callback: (err: Error, value: R) => void): void;
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static resolve<T>(object: Promise<T> | T): ThenPromise<T>;
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static reject<T>(error?: any): ThenPromise<T>;
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static all<T: Iterable<mixed>>(promises: T): ThenPromise<$TupleMap<T, typeof $await>>;
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static race<T, Elem: Promise<T> | T>(promises: Iterable<Elem>): ThenPromise<T>;
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// Extensions specific to then/promise
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static denodeify(fn: Function): (...args: any[]) => ThenPromise<any>;
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static nodeify(fn: Function): Function;
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}
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module.exports = ThenPromise;
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