diff --git a/src/index.js b/src/index.js
index 873343e..997ca0f 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,59 +1,59 @@
-const { app, BrowserWindow, protocol, shell } = require('electron')
+const {app, BrowserWindow, protocol, shell} = require('electron')
 const path = require('path')
 
-function createWindow () {
-  // Create the browser window.
-  const win = new BrowserWindow({
-    width: 800,
-    height: 600,
-    webPreferences: {
-      nodeIntegration: true
-    }
-  })
+function createWindow() {
+	// Create the browser window.
+	const win = new BrowserWindow({
+		width: 800,
+		height: 600,
+		webPreferences: {
+			nodeIntegration: true,
+		},
+	})
 
-  win.webContents.on('new-window', function(e, url) {
-    e.preventDefault();
-    shell.openExternal(url);
-  })
+	win.webContents.on('new-window', function (e, url) {
+		e.preventDefault()
+		shell.openExternal(url)
+	})
 
-  // The starting point of the app
-  win.loadFile('./frontend/index.html')
+	// The starting point of the app
+	win.loadFile('./frontend/index.html')
 }
 
 // This method will be called when Electron has finished
 // initialization and is ready to create browser windows.
 // Some APIs can only be used after this event occurs.
 app.whenReady().then(() => {
-  const root = path.normalize(`${__dirname}/..`)
+	const root = path.normalize(`${__dirname}/..`)
 
-  // file:// interceptor to serve all assets without running a web server in the background
-  protocol.interceptFileProtocol('file', (request, callback) => {
-    let url = request.url.substr(7)    /* all urls start with 'file://' */
-    if(!url.startsWith(root)) {
-      if(url.startsWith('css/fonts') || url.startsWith('css/img')) {
-        url = url.substr(4)
-      }
-      url = path.normalize(`${root}/frontend/${url}`)
-    }
-    callback({ path: url})
-  })
+	// file:// interceptor to serve all assets without running a web server in the background
+	protocol.interceptFileProtocol('file', (request, callback) => {
+		let url = request.url.substr(7)    /* all urls start with 'file://' */
+		if (!url.startsWith(root)) {
+			if (url.startsWith('css/fonts') || url.startsWith('css/img')) {
+				url = url.substr(4)
+			}
+			url = path.normalize(`${root}/frontend/${url}`)
+		}
+		callback({path: url})
+	})
 
-  createWindow()
+	createWindow()
 })
 // Quit when all windows are closed, except on macOS. There, it's common
 // for applications and their menu bar to stay active until the user quits
 // explicitly with Cmd + Q.
 app.on('window-all-closed', () => {
-  if (process.platform !== 'darwin') {
-    app.quit()
-  }
+	if (process.platform !== 'darwin') {
+		app.quit()
+	}
 })
 
 app.on('activate', () => {
-  // On macOS it's common to re-create a window in the app when the
-  // dock icon is clicked and there are no other windows open.
-  if (BrowserWindow.getAllWindows().length === 0) {
-    createWindow()
-  }
+	// On macOS it's common to re-create a window in the app when the
+	// dock icon is clicked and there are no other windows open.
+	if (BrowserWindow.getAllWindows().length === 0) {
+		createWindow()
+	}
 })