yarn lint --fix

blueprints/addon/index.js

@@ -121,7 +121,7 @@ module.exports = {
     let packagePath = path.join(this.path, 'files', 'package.json');
     let bowerPath = path.join(this.path, 'files', 'bower.json');
 
-    [packagePath, bowerPath].forEach(filePath => {
+    [packagePath, bowerPath].forEach((filePath) => {
       fs.removeSync(filePath);
     });
   },

blueprints/blueprint/index.js

@@ -7,7 +7,7 @@ module.exports = {
     let files = this._super.files.apply(this, arguments);
 
     if (!this.hasJSHint()) {
-      files = files.filter(file => file !== 'blueprints/.jshintrc');
+      files = files.filter((file) => file !== 'blueprints/.jshintrc');
     }
 
     return files;

blueprints/in-repo-addon/index.js

@@ -37,8 +37,8 @@ module.exports = {
 
   fileMapTokens() {
     return {
-      __root__: options => this._processTokens(options.dasherizedModuleName).root,
-      __name__: options => this._processTokens(options.dasherizedModuleName).name,
+      __root__: (options) => this._processTokens(options.dasherizedModuleName).root,
+      __name__: (options) => this._processTokens(options.dasherizedModuleName).name,
     };
   },
 

docs/project_version_preprocessor.js

@@ -3,6 +3,6 @@
 let versionUtils = require('../lib/utilities/version-utils');
 let emberCLIVersion = versionUtils.emberCLIVersion;
 
-module.exports = function(data, options) {
+module.exports = function (data, options) {
   options.project.version = emberCLIVersion();
 };

lib/broccoli/default-packager.js

@@ -274,7 +274,7 @@ module.exports = class DefaultPackager {
    */
   importAdditionalAssets(tree) {
     if (this._cachedProcessedAdditionalAssets === null) {
-      let otherAssetTrees = funnelReducer(this.additionalAssetPaths).map(options => {
+      let otherAssetTrees = funnelReducer(this.additionalAssetPaths).map((options) => {
         let files = options.include.join(',');
         options.annotation = `${options.srcDir}/{${files}} => ${options.destDir}/{${files}}`;
 
@@ -1303,7 +1303,7 @@ module.exports = class DefaultPackager {
     // iterate over the keys and concat files
     // to support scenarios like
     // app.import('vendor/foobar.js', { outputFile: 'assets/baz.js' });
-    let vendorTrees = importPaths.map(importPath => {
+    let vendorTrees = importPaths.map((importPath) => {
       let files = this.scriptOutputFiles[importPath];
       let isMainVendorFile = importPath === this.distPaths.vendorJsFile;
 

lib/broccoli/ember-app.js

@@ -132,7 +132,7 @@ class EmberApp {
 
     this.populateLegacyFiles();
     this.initializeAddons();
-    this.project.addons.forEach(addon => (addon.app = this));
+    this.project.addons.forEach((addon) => (addon.app = this));
     p.setupRegistry(this);
     this._importAddonTransforms();
     this._notifyAddonIncluded();
@@ -205,7 +205,7 @@ class EmberApp {
     this.project = options.project || Project.closestSync(process.cwd());
 
     if (options.configPath) {
-      this.project.configPath = function() {
+      this.project.configPath = function () {
         return app._resolveLocal(options.configPath);
       };
     }
@@ -565,7 +565,7 @@ class EmberApp {
     result = result || false;
     roots = roots || {};
 
-    let babelInstance = addons.find(addon => addon.name === 'ember-cli-babel');
+    let babelInstance = addons.find((addon) => addon.name === 'ember-cli-babel');
     if (babelInstance) {
       let version = babelInstance.pkg.version;
       if (semver.lt(version, '6.6.0')) {
@@ -579,7 +579,7 @@ class EmberApp {
       }
     }
 
-    return addons.some(addon => this._checkEmberCliBabel(addon.addons, result, roots)) || result;
+    return addons.some((addon) => this._checkEmberCliBabel(addon.addons, result, roots)) || result;
   }
 
   /**
@@ -605,18 +605,18 @@ class EmberApp {
     @method _notifyAddonIncluded
   */
   _notifyAddonIncluded() {
-    let addonNames = this.project.addons.map(addon => addon.name);
+    let addonNames = this.project.addons.map((addon) => addon.name);
 
     if (this.options.addons.blacklist) {
-      this.options.addons.blacklist.forEach(addonName => {
+      this.options.addons.blacklist.forEach((addonName) => {
         if (addonNames.indexOf(addonName) === -1) {
           throw new Error(`Addon "${addonName}" defined in blacklist is not found`);
         }
       });
     }
 
     if (this.options.addons.whitelist) {
-      this.options.addons.whitelist.forEach(addonName => {
+      this.options.addons.whitelist.forEach((addonName) => {
         if (addonNames.indexOf(addonName) === -1) {
           throw new Error(`Addon "${addonName}" defined in whitelist is not found`);
         }
@@ -625,9 +625,9 @@ class EmberApp {
 
     // the addons must be filtered before the `included` hook is called
     // in case an addon caches the project.addons list
-    this.project.addons = this.project.addons.filter(addon => this.shouldIncludeAddon(addon));
+    this.project.addons = this.project.addons.filter((addon) => this.shouldIncludeAddon(addon));
 
-    this.project.addons.forEach(addon => {
+    this.project.addons.forEach((addon) => {
       if (addon.included) {
         addon.included(this);
       }
@@ -641,7 +641,7 @@ class EmberApp {
     @method _importAddonTransforms
   */
   _importAddonTransforms() {
-    this.project.addons.forEach(addon => {
+    this.project.addons.forEach((addon) => {
       if (this.shouldIncludeAddon(addon)) {
         if (addon.importTransforms) {
           let transforms = addon.importTransforms();
@@ -650,7 +650,7 @@ class EmberApp {
             throw new Error(`Addon "${addon.name}" did not return a transform map from importTransforms function`);
           }
 
-          Object.keys(transforms).forEach(transformName => {
+          Object.keys(transforms).forEach((transformName) => {
             let transformConfig = {
               files: [],
               options: {},
@@ -719,17 +719,17 @@ class EmberApp {
     @return {Array}       List of trees
    */
   addonTreesFor(type) {
-    return this._addonTreesFor(type).map(addonBundle => addonBundle.tree);
+    return this._addonTreesFor(type).map((addonBundle) => addonBundle.tree);
   }
 
   _getDefaultPluginForType(type) {
     let plugins = this.registry.load(type);
-    let defaultsForType = plugins.filter(plugin => plugin.isDefaultForType);
+    let defaultsForType = plugins.filter((plugin) => plugin.isDefaultForType);
 
     if (defaultsForType.length > 1) {
       throw new Error(
         `There are multiple preprocessor plugins marked as default for '${type}': ${defaultsForType
-          .map(p => p.name)
+          .map((p) => p.name)
           .join(', ')}`
       );
     }
@@ -1087,14 +1087,14 @@ class EmberApp {
     @return {Array} An array of regular expressions.
   */
   _podTemplatePatterns() {
-    return this.registry.extensionsForType('template').map(extension => `**/*/template.${extension}`);
+    return this.registry.extensionsForType('template').map((extension) => `**/*/template.${extension}`);
   }
 
   _nodeModuleTrees() {
     if (!this._cachedNodeModuleTrees) {
       this._cachedNodeModuleTrees = Array.from(
         this._nodeModules.values(),
-        module =>
+        (module) =>
           new Funnel(module.path, {
             srcDir: '/',
             destDir: `node_modules/${module.name}/`,
@@ -1419,7 +1419,7 @@ class EmberApp {
         if (!Array.isArray(options.using)) {
           throw new Error('You must pass an array of transformations for `using` option');
         }
-        options.using.forEach(entry => {
+        options.using.forEach((entry) => {
           if (!entry.transformation) {
             throw new Error(
               `while importing ${assetPath}: each entry in the \`using\` list must have a \`transformation\` name`
@@ -1557,7 +1557,7 @@ class EmberApp {
 
     let addonBundles = this._cachedAddonBundles[type];
 
-    let addonTrees = addonBundles.map(addonBundle => {
+    let addonTrees = addonBundles.map((addonBundle) => {
       let { name, tree, root } = addonBundle;
 
       let precompiledSource = tree;
@@ -1581,8 +1581,8 @@ class EmberApp {
       return [tree, precompiledSource];
     });
 
-    let precompiledSource = addonTrees.map(pair => pair[1]);
-    addonTrees = addonTrees.map(pair => pair[0]);
+    let precompiledSource = addonTrees.map((pair) => pair[1]);
+    addonTrees = addonTrees.map((pair) => pair[0]);
 
     precompiledSource = mergeTrees(precompiledSource, {
       overwrite: true,

lib/broccoli/merge-trees.js

@@ -20,7 +20,7 @@ function getEmptyTree() {
   });
 
   let originalCleanup = EMPTY_MERGE_TREE.cleanup;
-  EMPTY_MERGE_TREE.cleanup = function() {
+  EMPTY_MERGE_TREE.cleanup = function () {
     // this tree is being cleaned up, we must
     // ensure that our shared EMPTY_MERGE_TREE is
     // reset (otherwise it will not have a valid

lib/cli/cli.js

@@ -145,7 +145,7 @@ class CLI {
 
       commandLookupCreationToken.stop();
 
-      getOptionArgs('--verbose', commandArgs).forEach(arg => {
+      getOptionArgs('--verbose', commandArgs).forEach((arg) => {
         process.env[`EMBER_VERBOSE_${arg.toUpperCase()}`] = 'true';
       });
 
@@ -209,7 +209,7 @@ class CLI {
           }
         } finally {
           instrumentation.start('shutdown');
-          shutdownOnExit = function() {
+          shutdownOnExit = function () {
             instrumentation.stopAndReport('shutdown');
           };
         }
@@ -234,7 +234,7 @@ class CLI {
         // This ensures that stdout is flushed so acceptance tests get full output
 
         if (process.platform === 'win32') {
-          return new Promise(resolve => {
+          return new Promise((resolve) => {
             setTimeout(resolve, 250, exitCode);
           });
         } else {

lib/cli/index.js

@@ -51,9 +51,7 @@ function clientId() {
   if (id) {
     return id;
   } else {
-    id = require('uuid')
-      .v4()
-      .toString();
+    id = require('uuid').v4().toString();
     configStore.set('client-id', id);
     return id;
   }
@@ -68,7 +66,7 @@ function configureLogger(env) {
 }
 
 // Options: Array cliArgs, Stream inputStream, Stream outputStream, EventEmitter process
-module.exports = async function(options) {
+module.exports = async function (options) {
   // `process` should be captured before we require any libraries which
   // may use `process.exit` work arounds for async cleanup.
   willInterruptProcess.capture(options.process || process);

lib/cli/lookup-command.js

@@ -2,7 +2,7 @@
 
 const UnknownCommand = require('../commands/unknown');
 
-module.exports = function(commands, commandName, commandArgs, optionHash) {
+module.exports = function (commands, commandName, commandArgs, optionHash) {
   let options = optionHash || {};
   let project = options.project;
   let ui = options.ui;

lib/commands/generate.js

@@ -103,7 +103,7 @@ module.exports = Command.extend({
 
     let collectionsJson = [];
 
-    blueprintList.forEach(function(collection) {
+    blueprintList.forEach(function (collection) {
       let result = this.getPackageBlueprints(collection, options, singleBlueprintName);
       if (options.json) {
         let collectionJson = {};
@@ -141,7 +141,7 @@ module.exports = Command.extend({
 
     let blueprintsJson = [];
 
-    blueprints.forEach(function(blueprint) {
+    blueprints.forEach(function (blueprint) {
       let singleMatch = singleBlueprintName === blueprint.name;
       if (singleMatch) {
         verbose = true;

lib/commands/help.js

@@ -42,7 +42,7 @@ module.exports = Command.extend({
       this.ui.writeLine('Available commands in ember-cli:');
       this.ui.writeLine('');
 
-      Object.keys(this.commands).forEach(function(commandName) {
+      Object.keys(this.commands).forEach(function (commandName) {
         this._printHelpForCommand(commandName, false, commandOptions);
       }, this);
 
@@ -53,7 +53,7 @@ module.exports = Command.extend({
           this.ui.writeLine('');
           this.ui.writeLine(`Available commands from ${addonName}:`);
 
-          Object.keys(this.commands).forEach(function(commandName) {
+          Object.keys(this.commands).forEach(function (commandName) {
             this._printHelpForCommand(commandName, false, commandOptions);
           }, this);
         });
@@ -82,7 +82,7 @@ module.exports = Command.extend({
 
       // Iterate through each arg beyond the initial 'help' command,
       // and try to display usage instructions.
-      rawArgs.forEach(function(commandName) {
+      rawArgs.forEach(function (commandName) {
         this._printHelpForCommand(commandName, true, commandOptions);
       }, this);
     }

lib/commands/new.js

@@ -79,10 +79,10 @@ module.exports = Command.extend({
       projectName,
       directoryName: commandOptions.directory,
       dryRun: commandOptions.dryRun,
-    }).then(opts => {
+    }).then((opts) => {
       initCommand.project.root = process.cwd();
 
-      return initCommand.run(commandOptions, rawArgs).catch(err => {
+      return initCommand.run(commandOptions, rawArgs).catch((err) => {
         let { initialDirectory, projectDirectory } = opts;
 
         process.chdir(initialDirectory);

lib/commands/serve.js

@@ -93,7 +93,7 @@ module.exports = Command.extend({
   run(commandOptions) {
     commandOptions.liveReloadHost = commandOptions.liveReloadHost || commandOptions.host;
 
-    return this._checkExpressPort(commandOptions).then(commandOptions => {
+    return this._checkExpressPort(commandOptions).then((commandOptions) => {
       if (commandOptions.proxy) {
         if (!/^(http:|https:)/.test(commandOptions.proxy)) {
           let message = `You need to include a protocol with the proxy URL.${EOL}Try --proxy http://${commandOptions.proxy}`;
@@ -107,7 +107,7 @@ module.exports = Command.extend({
   },
 
   _checkExpressPort(commandOptions) {
-    return getPort({ port: commandOptions.port, host: commandOptions.host }).then(foundPort => {
+    return getPort({ port: commandOptions.port, host: commandOptions.host }).then((foundPort) => {
       if (commandOptions.port !== foundPort && commandOptions.port !== 0) {
         let message = `Port ${commandOptions.port} is already in use.`;
         return Promise.reject(new SilentError(message));