32 lines
886 B
TypeScript
32 lines
886 B
TypeScript
/**
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* Converts a function type returning a `Promise` to a function type returning `void`.
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*/
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export type NoAwait<F extends (...args: unknown[]) => Promise<unknown>> =
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(...args: Parameters<F>) => void;
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/**
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* Signals that the argument returns a `Promise` that is intentionally not being awaited.
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*/
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export function noAwait<F extends (...args: unknown[]) => Promise<unknown>>(f: F): NoAwait<F> {
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return f as NoAwait<F>;
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}
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/**
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* Utility class that allows a promise to be passed to a
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* service to be resolved.
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*/
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export class Ready {
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onError: (value?: unknown) => void;
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onReady: (value?: unknown) => void;
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ready: Promise<unknown>;
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constructor(private errorHandler = console.error) {
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this.ready = new Promise((resolve, reject) => {
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this.onReady = resolve;
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this.onError = reject;
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}).catch(this.errorHandler);
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}
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}
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