14 lines
537 B
TypeScript
14 lines
537 B
TypeScript
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type Func = (...args: any[]) => any;
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export function monkeyPatch<O extends object>(object: O, key: keyof O, replacement: (original: Func, ...args: any[]) => any): void {
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const original = object[key] as Func;
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const replacer = object[key] = function (this: unknown, ...args: any[]) {
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return replacement.call(this, original, ...args);
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} as any;
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Object.defineProperties(replacer, Object.getOwnPropertyDescriptors(original));
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replacer.toString = () => original.toString();
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replacer.$$original = original;
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}
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