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