b2049209ff
There are some style differences compared to prettier, and not all are necessarily an improvement, but it's much faster now.
32 lines
900 B
TypeScript
32 lines
900 B
TypeScript
// Copyright: Ankitects Pty Ltd and contributors
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// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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import type { Readable } from "svelte/store";
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import { readable } from "svelte/store";
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interface AsyncData<T, E> {
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value: Readable<T | null>;
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error: Readable<E | null>;
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loading: Readable<boolean>;
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}
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function useAsync<T, E = unknown>(asyncFunction: () => Promise<T>): AsyncData<T, E> {
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const promise = asyncFunction();
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const value = readable(null, (set: (value: T) => void) => {
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promise.then((value: T) => set(value));
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});
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const error = readable(null, (set: (value: E) => void) => {
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promise.catch((value: E) => set(value));
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});
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const loading = readable(true, (set: (value: boolean) => void) => {
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promise.finally(() => set(false));
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});
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return { value, error, loading };
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}
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export default useAsync;
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