add ping function

src/main.ts

@@ -1,4 +1,4 @@
-import { app, BrowserWindow } from "electron";
+import { BrowserWindow, app, ipcMain } from "electron";
 import path = require("path");
 /* import ffmpegPath = require("ffmpeg-static"); */
 
@@ -15,6 +15,8 @@ const createWindow = () => {
 };
 
 app.whenReady().then(() => {
+  ipcMain.handle("ping", () => "pong");
+
   createWindow();
 
   app.on("activate", () => {

src/preload.ts

@@ -1,7 +1,8 @@
-import { contextBridge } from "electron";
+import { contextBridge, ipcRenderer } from "electron";
 
 contextBridge.exposeInMainWorld("versions", {
   node: () => process.versions.node,
   chrome: () => process.versions.chrome,
   electron: () => process.versions.electron,
+  ping: () => ipcRenderer.invoke("ping"),
 });

src/scripts/renderer.ts

@@ -4,3 +4,10 @@ var versions: any;
 const information = document.getElementById("info");
 
 information.innerText = `Cette application utilise Chrome (v${versions.chrome()}), Node.js (v${versions.node()}), et Electron (v${versions.electron()})`;
+
+const func = async () => {
+  const response = await versions.ping();
+  console.log(response);
+};
+
+func();