20 lines
548 B
TypeScript
20 lines
548 B
TypeScript
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export type ControllablePromise<T = any, E = any> = Promise<T> & {
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resolve(val: T): void
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reject(err?: E): void
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}
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export function createControllablePromise<
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T = any,
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E = any
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>(): ControllablePromise<T, E> {
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let _resolve: any
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let _reject: any
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const promise = new Promise<T>((resolve, reject) => {
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_resolve = resolve
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_reject = reject
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})
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;(promise as ControllablePromise<T>).resolve = _resolve
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;(promise as ControllablePromise<T>).reject = _reject
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return promise as ControllablePromise<T>
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}
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