scramjet/src/client/worker.ts

import { encodeUrl } from "../shared";

Worker = new Proxy(Worker, {
    construct(target, argArray) {
        argArray[0] = encodeUrl(argArray[0]);

        // target is a reference to the object that you are proxying
        // Reflect.construct is just a wrapper for calling target
        // you could do new target(...argArray) and it would work the same effectively
        
        return Reflect.construct(target, argArray);
    }
})

Worklet.prototype.addModule = new Proxy(Worklet.prototype.addModule, {
    apply(target, thisArg, argArray) {
        argArray[0] = encodeUrl(argArray[0])

        return Reflect.apply(target, thisArg, argArray);
    },
});

window.importScripts = new Proxy(window.importScripts, {
    apply(target, thisArg, argArray) {
        for (const i in argArray) {
            argArray[i] = encodeUrl(argArray[i]);
        }

        return Reflect.apply(target, thisArg, argArray);
    },
});