@electron-delta-update/updater/src/splash/preload.ts

True delta updater for windows

import { ipcRenderer } from 'electron';

const RENDERER_MESSAGE = '@electron-delta-update/updater:renderer';
const MAIN_MESSAGE = '@electron-delta-update/updater:main';

process.once('loaded', () => {
  window.addEventListener(RENDERER_MESSAGE, (event: Event) => {
    const customEvent = event as CustomEvent;
    ipcRenderer.send(RENDERER_MESSAGE, customEvent.detail);
  });

  ipcRenderer.removeAllListeners(MAIN_MESSAGE);

  ipcRenderer.on(MAIN_MESSAGE, (event, data) => {
    window.dispatchEvent(new CustomEvent(MAIN_MESSAGE, { detail: data }));
  });
});