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@ -1,13 +1,14 @@
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function monkeyPatch(name, parentObj, patches) {
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const injId = Symbol()
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const before = (patches["before"] === undefined) ? (...args)=>args : patches["before"];
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const instead = (patches["instead"] === undefined) ? (res,...args)=>res(...args) : patches["instead"];
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const after = (patches["after"] === undefined) ? (args, res)=>res : patches["after"];
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const before = patches["before"];
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const instead = patches["instead"];
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const after = patches["after"];
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const handler = {
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apply: (target, thisArg, [ctx, args]) => {
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before.apply(ctx, args);
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res = instead(target.bind(ctx), args)
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return after.apply(ctx, args.concat([res]));
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if (before !== undefined) before.apply(ctx, args);
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res = (patches["instead"] !== undefined) ? instead.apply(ctx, [target.bind(ctx), ...args]) : target.apply(ctx, [...args])
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if (after === undefined) return res
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return after.apply(ctx, [res].concat(args));
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}
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};
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const prox = new Proxy(parentObj[name], handler);
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