Prints the caller function from which a cookie is set

get-cookie-setter.js

let originalCookies = document.cookie;

Object.defineProperty(document, 'cookie', {
  set: function setCookieOverride(value) {
    console.log(`Cookie ${value} set from ${setCookieOverride.caller}`);
    originalCookies += value;
  },
  get: function getCookieOverride() {
    return originalCookies;
  }
});