added --standalone flag for android setup

src/commands/android/constants.ts

@@ -24,6 +24,10 @@ export const AVAILABLE_OPTIONS: AvailableOptions = {
   appium: {
     alias: [],
     description: 'Make sure the final setup works with Appium out-of-the-box.'
+  },
+  standalone: {
+    alias: [],
+    description: 'Do standalone setup for Android Emulator (no Nightwatch-related requirements will be downloaded).'
   }
 };
 

src/commands/android/index.ts

@@ -858,12 +858,14 @@ export class AndroidSetup {
 
         // TODO: add major version of Chrome as suffix to chromedriver.
         // Or, check the version of existing chromedriver using --version.
-        Logger.log('Checking if chromedriver is already downloaded...');
-        if (fs.existsSync(chromedriverDownloadPath)) {
-          Logger.log(`  ${colors.green(symbols().ok)} chromedriver already present at '${chromedriverDownloadPath}'\n`);
-        } else {
-          Logger.log(`  ${colors.red(symbols().fail)} chromedriver not found at '${chromedriverDownloadPath}'\n`);
-          downloadChromedriver = true;
+        if (!this.options.standalone) {
+          Logger.log('Checking if chromedriver is already downloaded...');
+          if (fs.existsSync(chromedriverDownloadPath)) {
+            Logger.log(`  ${colors.green(symbols().ok)} chromedriver already present at '${chromedriverDownloadPath}'\n`);
+          } else {
+            Logger.log(`  ${colors.red(symbols().fail)} chromedriver not found at '${chromedriverDownloadPath}'\n`);
+            downloadChromedriver = true;
+          }
         }
       } else if (stdout !== null) {
         Logger.log(`  ${colors.red(symbols().fail)} Chrome browser not found in the AVD.\n`);

src/index.ts

@@ -9,7 +9,7 @@ export const run = () => {
   try {
     const argv = process.argv.slice(2);
     const {_: args, ...options} = minimist(argv, {
-      boolean: ['install', 'setup', 'help', 'appium'],
+      boolean: ['install', 'setup', 'help', 'appium', 'standalone'],
       alias: {
         help: 'h',
         mode: 'm',