Unfinished globals proxy

catch-globals.js

function evalCode(code) {
    const func = new Function ('window', `with (window) { ${code} }`);
    const obj = {};
    const proxy = new Proxy(obj, {
        get(target, propKey, receiver) {
            console.log(`GET ${String(propKey)}`);
            if (propKey === 'window') return proxy;
            return Reflect.get(window, propKey, receiver);
        },
        set(target, propKey, value, receiver) {
            console.log(`SET ${String(propKey)}=${value}`);
            return Reflect.set(window, propKey, value, receiver);
        },
        apply: function(target, thisArg, argumentsList) {
            console.log(`APPLY: ${argumentsList}`);
            return Reflect.apply(window, thisArg, argumentsList);
        }
    });
    func(proxy);
    console.log(obj)
}

evalCode(`

// catch all of those globals
var a = 1;
let b = 2;
const c = 3;
d = 4;
window.e = 5;

// this should still work
console.log(window.navigator.userAgent);

`);