hippofish/packages/backend/src/prelude/await-all.ts
ThatOneCalculator abf47e54f3
clean up w/ rome
2023-01-16 11:19:20 -08:00

23 lines
548 B
TypeScript

export type Promiseable<T> = {
[K in keyof T]: Promise<T[K]> | T[K];
};
export async function awaitAll<T>(obj: Promiseable<T>): Promise<T> {
const target = {} as T;
const keys = Object.keys(obj) as unknown as (keyof T)[];
const values = Object.values(obj) as any[];
const resolvedValues = await Promise.all(
values.map((value) =>
!value?.constructor || value.constructor.name !== "Object"
? value
: awaitAll(value),
),
);
for (let i = 0; i < keys.length; i++) {
target[keys[i]] = resolvedValues[i];
}
return target;
}