s41r4j
24 lines
780 B
TypeScript
24 lines
780 B
TypeScript
/**
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* Like `Promise.allSettled()` but throws an error if any promises are rejected.
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*/
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export const allSettledWithThrow = async <R>(promises: Promise<R>[]): Promise<R[]> => {
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const results = await Promise.allSettled(promises);
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const rejected = results.filter((result): result is PromiseRejectedResult => result.status === 'rejected');
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if (rejected.length) {
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for (const result of rejected) {
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console.error(result.reason);
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}
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throw new Error(`${rejected.length} promise(s) failed - see the above errors`);
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}
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// Note: TS was complaining about using `.filter().map()` here for some reason
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const values: R[] = [];
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for (const result of results) {
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if (result.status === 'fulfilled') {
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values.push(result.value);
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}
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}
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return values;
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};
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