feat: Add prettier for formatting

bin/webpack.js

@@ -166,9 +166,11 @@ if(argv.init) {
 	if (!filePaths.length) {
 		throw new Error('Please specify a path to your webpack config');
 	}
+	const outputConfigName = filePaths[1] || `${filePaths[0]}v2.js`;
 	const inputConfigPath = path.resolve(process.cwd(), filePaths[0]);
+	const outputConfigPath = path.resolve(process.cwd(), outputConfigName);
 
-	require('../lib/migrate.js')(inputConfigPath, inputConfigPath);
+	require('../lib/migrate.js')(inputConfigPath, outputConfigPath);
 } else {
 	processOptions(yargs,argv);
 }

lib/transformations/__snapshots__/index.test.js.snap

@@ -1,102 +1,99 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`transform should respect recast options 1`] = `
-"
-module.exports = {
-	devtool: 'eval',
-	entry: [
-		'./src/index'
-	],
-	output: {
-		path: path.join(__dirname, 'dist'),
-		filename: 'index.js'
-	},
-	module: {
-		rules: [{
-			test: /.js$/,
-			use: \\"babel\\",
-			include: path.join(__dirname, 'src')
-		}]
-	},
-	resolve: {
-        modules: ['node_modules', path.resolve('/src')],
-    },
-	plugins: [
-		new webpack.optimize.UglifyJsPlugin({
-            sourceMap: true,
-        }),
-		new webpack.optimize.LoaderOptionsPlugin({
-            \\"debug\\": true,
-            \\"minimize\\": true,
-        })
-	],
-	debug: true
+"module.exports = {
+  devtool: 'eval',
+  entry: ['./src/index'],
+  output: {
+    path: path.join(__dirname, 'dist'),
+    filename: 'index.js'
+  },
+  module: {
+    rules: [
+      {
+        test: /.js$/,
+        use: 'babel',
+        include: path.join(__dirname, 'src')
+      }
+    ]
+  },
+  resolve: {
+    modules: ['node_modules', path.resolve('/src')]
+  },
+  plugins: [
+    new webpack.optimize.UglifyJsPlugin({
+      sourceMap: true
+    }),
+    new webpack.optimize.LoaderOptionsPlugin({
+      debug: true,
+      minimize: true
+    })
+  ],
+  debug: true
 };
 "
 `;
 
 exports[`transform should transform only using specified transformations 1`] = `
-"
-module.exports = {
-	devtool: 'eval',
-	entry: [
-		'./src/index'
-	],
-	output: {
-		path: path.join(__dirname, 'dist'),
-		filename: 'index.js'
-	},
-	module: {
-		rules: [{
-			test: /.js$/,
-			use: ['babel'],
-			include: path.join(__dirname, 'src')
-		}]
-	},
-	resolve: {
-		root: path.resolve('/src'),
-		modules: ['node_modules']
-	},
-	plugins: [
-		new webpack.optimize.UglifyJsPlugin(),
-		new webpack.optimize.OccurrenceOrderPlugin()
-	],
-	debug: true
+"module.exports = {
+  devtool: 'eval',
+  entry: ['./src/index'],
+  output: {
+    path: path.join(__dirname, 'dist'),
+    filename: 'index.js'
+  },
+  module: {
+    rules: [
+      {
+        test: /.js$/,
+        use: ['babel'],
+        include: path.join(__dirname, 'src')
+      }
+    ]
+  },
+  resolve: {
+    root: path.resolve('/src'),
+    modules: ['node_modules']
+  },
+  plugins: [
+    new webpack.optimize.UglifyJsPlugin(),
+    new webpack.optimize.OccurrenceOrderPlugin()
+  ],
+  debug: true
 };
 "
 `;
 
 exports[`transform should transform using all transformations 1`] = `
-"
-module.exports = {
-	devtool: 'eval',
-	entry: [
-		'./src/index'
-	],
-	output: {
-		path: path.join(__dirname, 'dist'),
-		filename: 'index.js'
-	},
-	module: {
-		rules: [{
-			test: /.js$/,
-			use: 'babel',
-			include: path.join(__dirname, 'src')
-		}]
-	},
-	resolve: {
-        modules: ['node_modules', path.resolve('/src')]
-    },
-	plugins: [
-		new webpack.optimize.UglifyJsPlugin({
-            sourceMap: true
-        }),
-		new webpack.optimize.LoaderOptionsPlugin({
-            'debug': true,
-            'minimize': true
-        })
-	],
-	debug: true
+"module.exports = {
+  devtool: 'eval',
+  entry: ['./src/index'],
+  output: {
+    path: path.join(__dirname, 'dist'),
+    filename: 'index.js'
+  },
+  module: {
+    rules: [
+      {
+        test: /.js$/,
+        use: 'babel',
+        include: path.join(__dirname, 'src')
+      }
+    ]
+  },
+  resolve: {
+    modules: ['node_modules', path.resolve('/src')]
+  },
+  plugins: [
+    new webpack.optimize.UglifyJsPlugin({
+      sourceMap: true
+    }),
+    new webpack.optimize.LoaderOptionsPlugin({
+      debug: true,
+      minimize: true
+    })
+  ],
+  debug: true
 };
 "
 `;

lib/transformations/index.js

@@ -1,5 +1,5 @@
 const jscodeshift = require('jscodeshift');
-
+const prettier = require('prettier');
 const loadersTransform = require('./loaders/loaders');
 const resolveTransform = require('./resolve/resolve');
 const removeJsonLoaderTransform = require('./removeJsonLoader/removeJsonLoader');
@@ -38,7 +38,7 @@ function transform(source, transforms, options) {
 	}, options);
 	transforms = transforms || Object.keys(transformations).map(k => transformations[k]);
 	transforms.forEach(f => f(jscodeshift, ast));
-	return ast.toSource(recastOptions);
+	return prettier.format(ast.toSource(recastOptions), {singleQuote: true, tabWidth: 2});
 }
 
 module.exports = {

package.json

@@ -39,7 +39,8 @@
     "jscodeshift": "^0.3.30",
     "loader-utils": "^0.2.16",
     "lodash": "^4.17.4",
-    "recast": "git://github.com/kalcifer/recast.git#bug/allowbreak",
+    "prettier": "^0.20.0",
+    "recast": "^0.11.22",
     "rx": "^4.1.0",
     "supports-color": "^3.1.2",
     "webpack": "^2.2.0-rc.0",