Prompt for additional linter features

src/commands/basic/init.js

@@ -23,8 +23,96 @@ const boilerplate = {
   nuxt: 'https://github.com/madlabsinc/mevn-nuxt-boilerplate.git',
 };
 
+// add lint and prettify scripts
+const addToScripts = (currentDir, side, linter) => {
+  side.map(item => {
+    const reqPath = `${currentDir}/${projectName}/${item}/package.json`.toString();
+    let configFile = JSON.parse(fs.readFileSync(reqPath).toString());
+    configFile['scripts'][
+      'lint'
+    ] = `node ./node_modules/${linter}/bin/${linter}`;
+    configFile['scripts']['prettify'] =
+      "prettier --single-quote --write '**/{*.js,*.jsx}'";
+    fs.writeFileSync(reqPath, JSON.stringify(configFile));
+    console.log(configFile);
+  });
+};
+
+// install utility (Linter and Prettier)
+const installLintUtility = async (template, cmd, templateDir) => {
+  const utility = cmd
+    .split(' ')
+    .slice(-1)
+    .pop();
+
+  const installSpinner = new Spinner(`Installing ${utility} for server`);
+  installSpinner.start();
+
+  // Hop over to the server directory except for the case of Nuxt-js template
+  if (templateDir) {
+    process.chdir(path.resolve(projectName, templateDir));
+  }
+
+  try {
+    await execa.shell(cmd);
+    await execa.shell('touch .' + utility + 'ignore');
+    await execa.shell('touch .' + utility + 'rc.js');
+  } catch (err) {
+    installSpinner.fail('Something went wrong');
+    process.exit(1);
+  }
+  if (template !== 'nuxt') {
+    installSpinner.text = `Installing ${utility} for client`;
+    // Navigate to the client directory except for the case of Nuxt-js template
+    process.chdir(path.resolve(`../../${projectName}`, 'client'));
+    try {
+      await execa.shell(cmd);
+      // Empty config files
+      await execa.shell('touch .' + utility + 'ignore');
+      await execa.shell('touch .' + utility + 'rc.js');
+    } catch (err) {
+      installSpinner.fail('Something went wrong');
+      process.exit(1);
+    }
+  }
+  installSpinner.succeed(`Succcessfully installed ${utility}`);
+
+  // Revert to Project Root path
+  process.chdir('../..');
+};
+
+const configureLintUtility = async (template, linter, requirePrettier) => {
+  let templateDir = 'server';
+
+  // Installs the linter of choice.
+  if (linter !== 'none')
+    await installLintUtility(template, `npm i -D ${linter}`, templateDir);
+
+  // ToDo: Create and populate .{linter}rc and .{linter}ignore files
+  if (requirePrettier) {
+    // Install prettier.
+    if (linter !== 'eslint') {
+      // Configure prettier for jshint and jslint
+      await installLintUtility(template, 'npm i -D prettier', templateDir);
+    } else {
+      // Configure eslint-prettier presets.
+      await installLintUtility(
+        template,
+        'npm i -D prettier-eslint',
+        templateDir,
+      );
+    }
+    // set up scripts
+    if (template === 'nuxt') {
+      await addToScripts(process.cwd(), ['server'], linter);
+    } else {
+      await addToScripts(process.cwd(), ['server', 'client'], linter);
+    }
+  }
+};
+
 const makeInitialCommit = async () => {
-  process.chdir(projectName);
+  process.chdir(path.resolve(projectName));
   await execa('git', ['init']);
   await execa('git', ['add', '.']);
   await execa('git', ['commit', '-m', 'Initial commit', '-m', 'From Mevn-CLI']);
@@ -97,6 +185,27 @@ const fetchTemplate = async template => {
       projectConfig.join('\n').toString(),
     );
 
+    // Prompts asking for the linter of choice and prettier support.
+
+    const { linterOfChoice } = await inquirer.prompt([
+      {
+        name: 'linterOfChoice',
+        type: 'list',
+        message: 'Please select your favourite linter',
+        choices: ['eslint', 'jslint', 'jshint', 'none'],
+      },
+    ]);
+
+    const { requirePrettier } = await inquirer.prompt([
+      {
+        name: 'requirePrettier',
+        type: 'confirm',
+        message: 'Do you require Prettier',
+      },
+    ]);
+
+    await configureLintUtility(template, linterOfChoice, requirePrettier);
+
     if (template === 'nuxt') {
       const { requirePwaSupport } = await inquirer.prompt([
         {