first commit

src/main/preload.js

@@ -0,0 +1,20 @@
+const {ipcRenderer, contextBridge} = require('electron')
+
+contextBridge.exposeInMainWorld('ipcRenderer', {
+  send: (channel, data) => {
+    // whitelist channels
+    let validChannels = ['toMain']
+    if (validChannels.includes(channel)) {
+      ipcRenderer.send(channel, data)
+    }
+    ipcRenderer.send(channel, data)
+  },
+  receive: (channel, func) => {
+    let validChannels = ['fromMain']
+    if (validChannels.includes(channel)) {
+      // Deliberately strip event as it includes `sender`
+      ipcRenderer.on(channel, (event, ...args) => func(...args))
+    }
+    ipcRenderer.on(channel, (event, ...args) => func(...args))
+  }
+})