typed context bridge global; context: https://www.electronjs.org/docs/latest/tutorial/tutorial-preload#augmenting-the-renderer-with-a-preload-script

preload.ts

const { contextBridge } = require('electron')

const versionsGlobal = {
  node: () => process.versions.node,
  chrome: () => process.versions.chrome,
  electron: () => process.versions.electron,
}

contextBridge.exposeInMainWorld('versions', versionsGlobal)

declare global {
  var versions: typeof versionsGlobal
}