25 lines
1.4 KiB
TypeScript
25 lines
1.4 KiB
TypeScript
declare function awaitYield<T>(value: T | Promise<T>): Generator<T | Promise<T>, T, T>;
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declare function awaitYieldOf<T, Yielded>(generator: Generator<Yielded | Promise<Yielded>, T, Yielded>): Generator<T | Promise<T>, T, T>;
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export type AwaitYield = typeof awaitYield & {
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of: typeof awaitYieldOf;
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};
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/**
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* Create a function that may or may not be async, using a generator
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*
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* Within the generator, call `yield* awaited(maybePromise)` to await a value
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* that may or may not be a promise.
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*
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* If the inner function never yields a promise, it will return synchronously.
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*/
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export declare function maybeAsyncFn<
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/** Function arguments */
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Args extends any[], This,
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/** Function return type */
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Return,
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/** Yields to unwrap */
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Yielded>(that: This, fn: (this: This, awaited: AwaitYield, ...args: Args) => Generator<Yielded | Promise<Yielded>, Return, Yielded>): (...args: Args) => Return | Promise<Return>;
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export type MaybeAsyncBlock<Return, This, Yielded, Args extends any[] = []> = (this: This, awaited: AwaitYield, ...args: Args) => Generator<Yielded | Promise<Yielded>, Return, Yielded>;
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export declare function maybeAsync<Return, This, Yielded>(that: This, startGenerator: (this: This, await: AwaitYield) => Generator<Yielded | Promise<Yielded>, Return, Yielded>): Return | Promise<Return>;
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export declare function awaitEachYieldedPromise<Yielded, Returned>(gen: Generator<Yielded | Promise<Yielded>, Returned, Yielded>): Returned | Promise<Returned>;
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export {};
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