Working project

Proof/src/js/preload.js

@@ -0,0 +1,10 @@
+const { contextBridge, ipcRenderer } = require('electron')
+
+contextBridge.exposeInMainWorld('versions', {
+  getNodeVersion: () => process.versions.node,
+  getChromeVersion: () => process.versions.chrome,
+  getElectronVersion: () => process.versions.electron,
+  getAppVersion: () => ipcRenderer.invoke('getVersion'),
+  ping: () => ipcRenderer.invoke('ping')
+  // we can also expose variables, not just functions
+})