scramjet/src/client/eval.ts

const FunctionProxy = new Proxy(Function, {
    construct(target, argArray) {
        if (argArray.length === 1) {
            return Reflect.construct(target, self.__scramjet$bundle.rewriters.rewriteJs(argArray[0]));
        } else {
            return Reflect.construct(target, self.__scramjet$bundle.rewriters.rewriteJs(argArray[argArray.length - 1]))
        }
    },
    apply(target, thisArg, argArray) {
        if (argArray.length === 1) {
            return Reflect.apply(target, undefined, self.__scramjet$bundle.rewriters.rewriteJs(argArray[0]));
        } else {
            return Reflect.apply(target, undefined, [...argArray.map((x, index) => index === argArray.length - 1), self.__scramjet$bundle.rewriters.rewriteJs(argArray[argArray.length - 1])])
        }
    },
});

delete window.Function;

window.Function = FunctionProxy;

delete window.eval;

// since the function proxy is already rewriting the js we can just reuse it for the eval proxy

window.eval = (str: string) => window.Function(str);