22 lines
579 B
TypeScript
22 lines
579 B
TypeScript
// eslint-disable-next-line import/no-unused-modules
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export type Deferred<T> = PromiseLike<T> & {
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resolve: (value: T | PromiseLike<T>) => void
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reject: (reason?: unknown) => void
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}
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export function createDeferred<T = void>(): Deferred<T> {
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let resolve: (value: T | PromiseLike<T>) => void
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let reject: (reason?: unknown) => void
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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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return {
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then: promise.then.bind(promise),
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resolve: (value) => resolve(value),
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reject: (reason) => reject(reason),
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}
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}
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