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junhoyeo/async-flat-map.ts

Created October 9, 2022 13:16
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async-flat-map.ts
const asyncFlatMap = async <T extends any, U extends any>(
array: T[],
callback: (value: T, index: number, array: T[]) => Promise<[] | U | U[]>,
): Promise<U[]> => {
const result = await Promise.all(array.map(callback));
return result.flat() as U[];
};
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