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chowey/withResolvers.polyfill.ts

Created July 14, 2024 19:34
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Promise.withResolvers polyfill
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withResolvers.polyfill.ts
Promise.withResolvers ??
(Promise.withResolvers = function withResolvers<T>() {
let a: (value: T | PromiseLike<T>) => void;
let b: (reason?: unknown) => void;
const c = new this<T>(function (resolve, reject) {
a = resolve;
b = reject;
});
return { resolve: a!, reject: b!, promise: c };
});
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