Function Tracing

trace.js

const _apply = Function.prototype.apply;
const _call = Function.prototype.call;

_apply.apply = _apply;
_call.apply = _apply;

Function.prototype.toString.apply = _apply;
Array.prototype.slice.apply = _apply;
console.trace.apply = _apply;

function log(t, a) {
  console.log("Calling",
    Function.prototype.toString.apply(t, []),
      "with:",
      Array.prototype.slice.apply(a, [1]).toString()
  );
  console.trace.apply(console, []);
}

Function.prototype.call = function () {
  log(this, arguments);
  _call.apply(this, arguments);
};

Function.prototype.apply = function () {
  log(this, arguments);
  _apply.apply(this, arguments);
}