use eslint + airbnb eslintrc and rearrange files

.eslintrc

@@ -0,0 +1,7 @@
+{
+  "extends": "airbnb-base",
+  "rules": {
+    "comma-dangle": [2, "never"],
+    "semi": [2, "never"]
+  }
+}

package.json

@@ -3,13 +3,13 @@
   "productName": "Gmail Desktop",
   "version": "0.1.0",
   "description": "An unofficial Gmail Desktop App built with Electron",
-  "main": "index.js",
+  "main": "src/index.js",
   "scripts": {
     "clean": "rimraf build/",
-    "lint": "standard --verbose | snazzy",
+    "lint": "eslint src",
     "test": "npm run lint",
     "start": "electron .",
-    "build:osx": "electron-packager . --out=build --overwrite --platform=darwin --arch=x64 --icon=assets/icons/icon.icns --app-version=$npm_package_version",
+    "build:osx": "electron-packager . --out=build --overwrite --platform=darwin --arch=x64 --icon=src/assets/icons/icon.icns --app-version=$npm_package_version",
     "build": "npm run clean && npm run build:osx"
   },
   "repository": {
@@ -38,11 +38,11 @@
     "babel-core": "^6.7.7",
     "babel-eslint": "^6.0.3",
     "babel-preset-es2015": "^6.6.0",
-    "babel-preset-stage-0": "^6.5.0",
     "electron-packager": "^7.0.1",
     "electron-prebuilt": "^0.37.7",
-    "rimraf": "^2.5.2",
-    "snazzy": "^3.0.1",
-    "standard": "^6.0.8"
+    "eslint": "^2.10.1",
+    "eslint-config-airbnb-base": "^3.0.1",
+    "eslint-plugin-import": "^1.8.0",
+    "rimraf": "^2.5.2"
   }
 }

app.js → src/app.js

@@ -1,10 +1,12 @@
+/* eslint-disable import/no-unresolved */
 import { app, shell, BrowserWindow, Menu } from 'electron'
+/* eslint-enable import/no-unresolved */
 import menu from './menu'
 
 let mainWindow
 let isQuitting = false
 
-let isAlreadyRunning = app.makeSingleInstance(() => {
+const isAlreadyRunning = app.makeSingleInstance(() => {
   if (mainWindow) {
     if (mainWindow.isMinimized()) {
       mainWindow.restore()
@@ -18,13 +20,13 @@ if (isAlreadyRunning) {
   app.quit()
 }
 
-function updateBadge (title) {
-  let unreadCount = (/^.+\s\((\d+)\)/).exec(title)
+function updateBadge(title) {
+  const unreadCount = (/^.+\s\((\d+)\)/).exec(title)
 
   app.dock.setBadge(unreadCount ? unreadCount[1] : '')
 }
 
-function createWindow () {
+function createWindow() {
   mainWindow = new BrowserWindow({
     title: app.getName(),
     width: 1280,
@@ -46,10 +48,9 @@ function createWindow () {
 
 app.on('ready', () => {
   createWindow()
-
   Menu.setApplicationMenu(menu)
 
-  let {webContents} = mainWindow
+  const { webContents } = mainWindow
 
   webContents.on('dom-ready', () => {
     mainWindow.show()
@@ -60,13 +61,13 @@ app.on('ready', () => {
       e.preventDefault()
       mainWindow.loadURL(url)
     } else {
-        e.preventDefault()
-        shell.openExternal(url)
+      e.preventDefault()
+      shell.openExternal(url)
     }
   })
 })
 
-app.on('activate', function () {
+app.on('activate', () => {
   mainWindow.show()
 })
 

menu.js → src/menu.js

@@ -1,8 +1,10 @@
+/* eslint-disable import/no-unresolved */
 import { app, shell, Menu } from 'electron'
+/* eslint-enable import/no-unresolved */
 
 const APP_NAME = app.getName()
 
-let darwinMenu = [
+const darwinMenu = [
   {
     label: APP_NAME,
     submenu: [
@@ -30,7 +32,7 @@ let darwinMenu = [
       {
         label: `Quit ${APP_NAME}`,
         accelerator: 'Cmd+Q',
-        click () {
+        click() {
           app.quit()
         }
       }
@@ -96,13 +98,13 @@ let darwinMenu = [
     submenu: [
       {
         label: `${APP_NAME} Website`,
-        click () {
+        click() {
           shell.openExternal('https://github.com/timche/gmail-desktop')
         }
       },
       {
         label: 'Report an issue',
-        click () {
+        click() {
           shell.openExternal('https://github.com/timche/gmail-desktop/issues/new')
         }
       }