Update dependencies

config/env.js

@@ -78,13 +78,10 @@ function getClientEnvironment(publicUrl) {
     );
   // Stringify all values so we can feed into Webpack DefinePlugin
   const stringified = {
-    'process.env': Object.keys(raw).reduce(
-      (env, key) => {
-        env[key] = JSON.stringify(raw[key]);
-        return env;
-      },
-      {}
-    ),
+    'process.env': Object.keys(raw).reduce((env, key) => {
+      env[key] = JSON.stringify(raw[key]);
+      return env;
+    }, {}),
   };
 
   return { raw, stringified };

config/jest/enzymeTestAdapterSetup.js

@@ -0,0 +1,4 @@
+import { configure } from 'enzyme';
+import Adapter from 'enzyme-adapter-react-16';
+
+configure({ adapter: new Adapter() });

config/paths.js

@@ -33,8 +33,8 @@ const getPublicUrl = appPackageJson =>
 // like /todos/42/static/js/bundle.7289d.js. We have to know the root.
 function getServedPath(appPackageJson) {
   const publicUrl = getPublicUrl(appPackageJson);
-  const servedUrl = envPublicUrl ||
-    (publicUrl ? url.parse(publicUrl).pathname : '/');
+  const servedUrl =
+    envPublicUrl || (publicUrl ? url.parse(publicUrl).pathname : '/');
   return ensureSlash(servedUrl, true);
 }
 

config/polyfills.js

@@ -14,3 +14,9 @@ require('whatwg-fetch');
 // Object.assign() is commonly used with React.
 // It will use the native implementation if it's present and isn't buggy.
 Object.assign = require('object-assign');
+
+// In tests, polyfill requestAnimationFrame since jsdom doesn't provide it yet.
+// We don't polyfill it in the browser--this is user's responsibility.
+if (process.env.NODE_ENV === 'test') {
+  require('raf').polyfill(global);
+}

config/webpack.config.dev.js

@@ -33,6 +33,8 @@ module.exports = {
   // This means they will be the "root" imports that are included in JS bundle.
   // The first two entry points enable "hot" CSS and auto-refreshes for JS.
   entry: [
+    // We ship a few polyfills by default:
+    require.resolve('./polyfills'),
     // Include an alternative client for WebpackDevServer. A client's job is to
     // connect to WebpackDevServer by a socket and get notified about changes.
     // When you save a file, the client will either apply hot updates (in case
@@ -44,19 +46,13 @@ module.exports = {
     // require.resolve('webpack-dev-server/client') + '?/',
     // require.resolve('webpack/hot/dev-server'),
     require.resolve('react-dev-utils/webpackHotDevClient'),
-    // We ship a few polyfills by default:
-    require.resolve('./polyfills'),
-    // Errors should be considered fatal in development
-    require.resolve('react-error-overlay'),
     // Finally, this is your app's code:
     paths.appIndexJs,
     // We include the app code last so that if there is a runtime error during
     // initialization, it doesn't blow up the WebpackDevServer client, and
     // changing JS code would still trigger a refresh.
   ],
   output: {
-    // Next line is not used in dev but WebpackDevServer crashes without it:
-    path: paths.appBuild,
     // Add /* filename */ comments to generated require()s in the output.
     pathinfo: true,
     // This does not produce a real file. It's just the virtual path that is
@@ -67,9 +63,9 @@ module.exports = {
     chunkFilename: 'static/js/[name].chunk.js',
     // This is the URL that app is served from. We use "/" in development.
     publicPath: publicPath,
-    // Point sourcemap entries to original disk location
+    // Point sourcemap entries to original disk location (format as URL on Windows)
     devtoolModuleFilenameTemplate: info =>
-      path.resolve(info.absoluteResourcePath),
+      path.resolve(info.absoluteResourcePath).replace(/\\/g, '/'),
   },
   resolve: {
     // This allows you to set a fallback for where Webpack should look for modules.
@@ -84,8 +80,11 @@ module.exports = {
     // We also include JSX as a common component filename extension to support
     // some tools, although we do not recommend using it, see:
     // https://github.com/facebookincubator/create-react-app/issues/290
-    extensions: ['.js', '.json', '.jsx'],
+    // `web` extension prefixes have been added for better support
+    // for React Native Web.
+    extensions: ['.web.js', '.mjs', '.js', '.json', '.web.jsx', '.jsx'],
     alias: {
+
       // Support React Native Web
       // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
       'react-native': 'react-native-web',
@@ -97,7 +96,7 @@ module.exports = {
       // To fix this, we prevent you from importing files out of src/ -- if you'd like to,
       // please link the files into your node_modules/ and let module-resolution kick in.
       // Make sure your source files are compiled, as they will not be processed in any way.
-      // new ModuleScopePlugin(paths.appSrc),
+      // new ModuleScopePlugin(paths.appSrc, [paths.appPackageJson]),
     ],
   },
   module: {
@@ -110,107 +109,108 @@ module.exports = {
       // First, run the linter.
       // It's important to do this before Babel processes the JS.
       {
-        test: /\.(js|jsx)$/,
+        test: /\.(js|jsx|mjs)$/,
         enforce: 'pre',
         use: [
           {
             options: {
               formatter: eslintFormatter,
+              eslintPath: require.resolve('eslint'),
 
             },
             loader: require.resolve('eslint-loader'),
           },
         ],
         include: paths.appSrc,
       },
-      // ** ADDING/UPDATING LOADERS **
-      // The "file" loader handles all assets unless explicitly excluded.
-      // The `exclude` list *must* be updated with every change to loader extensions.
-      // When adding a new loader, you must add its `test`
-      // as a new entry in the `exclude` list for "file" loader.
-
-      // "file" loader makes sure those assets get served by WebpackDevServer.
-      // When you `import` an asset, you get its (virtual) filename.
-      // In production, they would get copied to the `build` folder.
       {
-        exclude: [
-          /\.html$/,
-          /\.(js|jsx)$/,
-          /\.css$/,
-          /\.json$/,
-          /\.bmp$/,
-          /\.gif$/,
-          /\.jpe?g$/,
-          /\.png$/,
-        ],
-        loader: require.resolve('file-loader'),
-        options: {
-          name: 'static/media/[name].[hash:8].[ext]',
-        },
-      },
-      // "url" loader works like "file" loader except that it embeds assets
-      // smaller than specified limit in bytes as data URLs to avoid requests.
-      // A missing `test` is equivalent to a match.
-      {
-        test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
-        loader: require.resolve('url-loader'),
-        options: {
-          limit: 10000,
-          name: 'static/media/[name].[hash:8].[ext]',
-        },
-      },
-      // Process JS with Babel.
-      {
-        test: /\.(js|jsx)$/,
-        include: paths.appSrc,
-        loader: require.resolve('babel-loader'),
-        options: {
-
-          // This is a feature of `babel-loader` for webpack (not Babel itself).
-          // It enables caching results in ./node_modules/.cache/babel-loader/
-          // directory for faster rebuilds.
-          cacheDirectory: true,
-        },
-      },
-      // "postcss" loader applies autoprefixer to our CSS.
-      // "css" loader resolves paths in CSS and adds assets as dependencies.
-      // "style" loader turns CSS into JS modules that inject <style> tags.
-      // In production, we use a plugin to extract that CSS to a file, but
-      // in development "style" loader enables hot editing of CSS.
-      {
-        test: /\.css$/,
-        use: [
-          require.resolve('style-loader'),
+        // "oneOf" will traverse all following loaders until one will
+        // match the requirements. When no loader matches it will fall
+        // back to the "file" loader at the end of the loader list.
+        oneOf: [
+          // "url" loader works like "file" loader except that it embeds assets
+          // smaller than specified limit in bytes as data URLs to avoid requests.
+          // A missing `test` is equivalent to a match.
           {
-            loader: require.resolve('css-loader'),
+            test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
+            loader: require.resolve('url-loader'),
             options: {
-              importLoaders: 1,
-              // modules: true,
-              // localIdentName: '[name]_[local]_[hash:base64:5]'
+              limit: 10000,
+              name: 'static/media/[name].[hash:8].[ext]',
             },
           },
+          // Process JS with Babel.
           {
-            loader: require.resolve('postcss-loader'),
+            test: /\.(js|jsx|mjs)$/,
+            include: paths.appSrc,
+            loader: require.resolve('babel-loader'),
             options: {
-              ident: 'postcss', // https://webpack.js.org/guides/migrating/#complex-options
-              plugins: () => [
-                require('postcss-flexbugs-fixes'),
-                autoprefixer({
-                  browsers: [
-                    '>1%',
-                    'last 4 versions',
-                    'Firefox ESR',
-                    'not ie < 9', // React doesn't support IE8 anyway
+
+              // This is a feature of `babel-loader` for webpack (not Babel itself).
+              // It enables caching results in ./node_modules/.cache/babel-loader/
+              // directory for faster rebuilds.
+              cacheDirectory: true,
+            },
+          },
+          // "postcss" loader applies autoprefixer to our CSS.
+          // "css" loader resolves paths in CSS and adds assets as dependencies.
+          // "style" loader turns CSS into JS modules that inject <style> tags.
+          // In production, we use a plugin to extract that CSS to a file, but
+          // in development "style" loader enables hot editing of CSS.
+          {
+            test: /\.css$/,
+            use: [
+              require.resolve('style-loader'),
+              {
+                loader: require.resolve('css-loader'),
+                options: {
+                  importLoaders: 1,
+                  // modules: true,
+                  // localIdentName: '[name]_[local]_[hash:base64:5]'
+                },
+              },
+              {
+                loader: require.resolve('postcss-loader'),
+                options: {
+                  // Necessary for external CSS imports to work
+                  // https://github.com/facebookincubator/create-react-app/issues/2677
+                  ident: 'postcss',
+                  plugins: () => [
+                    require('postcss-flexbugs-fixes'),
+                    autoprefixer({
+                      browsers: [
+                        '>1%',
+                        'last 4 versions',
+                        'Firefox ESR',
+                        'not ie < 9', // React doesn't support IE8 anyway
+                      ],
+                      flexbox: 'no-2009',
+                    }),
                   ],
-                  flexbox: 'no-2009',
-                }),
-              ],
+                },
+              },
+            ],
+          },
+          // "file" loader makes sure those assets get served by WebpackDevServer.
+          // When you `import` an asset, you get its (virtual) filename.
+          // In production, they would get copied to the `build` folder.
+          // This loader doesn't use a "test" so it will catch all modules
+          // that fall through the other loaders.
+          {
+            // Exclude `js` files to keep "css" loader working as it injects
+            // it's runtime that would otherwise processed through "file" loader.
+            // Also exclude `html` and `json` extensions so they get processed
+            // by webpacks internal loaders.
+            exclude: [/\.js$/, /\.html$/, /\.json$/],
+            loader: require.resolve('file-loader'),
+            options: {
+              name: 'static/media/[name].[hash:8].[ext]',
             },
           },
         ],
       },
       // ** STOP ** Are you adding a new loader?
-      // Remember to add the new extension(s) to the "file" loader exclusion list.
+      // Make sure to add the new loader(s) before the "file" loader.
     ],
   },
   plugins: [
@@ -224,6 +224,8 @@ module.exports = {
       inject: true,
       template: paths.appHtml,
     }),
+    // Add module names to factory functions so they appear in browser profiler.
+    new webpack.NamedModulesPlugin(),
     // Makes some environment variables available to the JS code, for example:
     // if (process.env.NODE_ENV === 'development') { ... }. See `./env.js`.
     new webpack.DefinePlugin(env.stringified),
@@ -248,9 +250,11 @@ module.exports = {
   // Some libraries import Node modules but don't use them in the browser.
   // Tell Webpack to provide empty mocks for them so importing them works.
   node: {
+    dgram: 'empty',
     fs: 'empty',
     net: 'empty',
     tls: 'empty',
+    child_process: 'empty',
   },
   // Turn off performance hints during development because we don't do any
   // splitting or minification in interest of speed. These warnings become