promise.js•580 B
// The return value is a mixin of `subprocess` and `Promise`
export const mergePromise = (subprocess, promise) => {
for (const [property, descriptor] of descriptors) {
const value = descriptor.value.bind(promise);
Reflect.defineProperty(subprocess, property, {...descriptor, value});
}
};
// eslint-disable-next-line unicorn/prefer-top-level-await
const nativePromisePrototype = (async () => {})().constructor.prototype;
const descriptors = ['then', 'catch', 'finally'].map(property => [
property,
Reflect.getOwnPropertyDescriptor(nativePromisePrototype, property),
]);