Rambox-CE/resources/js/darkreader.js

const { ipcRenderer } = require("electron");
const darkreader = require("darkreader");
darkreader.setFetchMethod(window.fetch);

const getIsEnabled = () => ipcRenderer.sendSync("getConfig").darkreader;
const canEnable = () =>
  document.readyState === "complete" || document.readyState === "interactive";

document.addEventListener("readystatechange", () => {
  console.log(document.readyState);
  if (canEnable()) {
    getIsEnabled() ? darkreader.enable() : darkreader.disable();
  }
});