17 lines
603 B
JavaScript
17 lines
603 B
JavaScript
const nativePromisePrototype = (async () => {})().constructor.prototype;
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const descriptors = ['then', 'catch', 'finally']
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.map(property => [
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property,
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Reflect.getOwnPropertyDescriptor(nativePromisePrototype, property),
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]);
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export default function(thing, promise) {
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for (const [property, descriptor] of descriptors) {
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// eslint-disable-next-line max-len
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const value = typeof promise === 'function' ? (...args) => Reflect.apply(descriptor.value, promise(), args) : descriptor.value.bind(promise);
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Reflect.defineProperty(thing, property, {...descriptor, value});
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}
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return thing;
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};
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