fix "require is undefined" in browsers without node

html/node.js

@@ -1,23 +1,26 @@
+if(typeof require() != undefined){
+  var wifi, wifiQuality;
+  // In renderer process (web page).
+  const { ipcRenderer } = require('electron')
 
-var wifi, wifiQuality;
+  ipcRenderer.on('wifi', (event, arg) => {
-// In renderer process (web page).
+    wifi = arg;
-const { ipcRenderer } = require('electron')
+    wifi = wifi;
-
+  })
-ipcRenderer.on('wifi', (event, arg) => {
+  ipcRenderer.on('wifiQuality', (event, arg) => {
-  wifi = arg;
+    wifiQuality = arg;
-  wifi = wifi;
+    wifiQuality = wifiQuality;
-})
+  })
-ipcRenderer.on('wifiQuality', (event, arg) => {
+  ipcRenderer.on('fullscreen', (event, arg) => {
-  wifiQuality = arg;
+    console.log("Fullscreen now " + arg);
-  wifiQuality = wifiQuality;
+    settingMenuItemValues[0] = arg;
-})
+  })
-ipcRenderer.on('fullscreen', (event, arg) => {
+  function sendFullscreen(bool){
-  console.log("Fullscreen now " + arg);
+    console.log("Sending fullscreen " + bool);
-  settingMenuItemValues[0] = arg;
+    ipcRenderer.send('fullscreen', bool);
-})
+  }
-function sendFullscreen(bool){
+  ipcRenderer.send('get-data', 'wifi');
-  console.log("Sending fullscreen " + bool);
+  ipcRenderer.send('get-data', 'wifiQuality');
-  ipcRenderer.send('fullscreen', bool);
+} else {
+  //no NODE integration, propably browser access
 }
-ipcRenderer.send('get-data', 'wifi');
-ipcRenderer.send('get-data', 'wifiQuality');