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ryanflorence/Await.ts

Created November 12, 2021 20:39
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Infer the return type of a promise.
Raw
Await.ts
type Await<T extends (...args: any) => any> = T extends (
...args: any
) => Promise<infer U>
? U
: T extends (...args: any) => infer U
? U
: any;
async function load() {
return fetch("...");
}
type Thing = Await<typeof load>;
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