Move everything to client

.eslintrc

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+{
+  "extends": "airbnb",
+  "parser": "babel-eslint",
+  "env": {
+    "browser": true,
+    "node": true,
+    "mocha": true,
+    "es6": true
+  },
+  "rules": {
+    "react/jsx-filename-extension": 0,
+    "react/sort-comp": 0,
+    "import/no-extraneous-dependencies": 0
+  }
+}

.flowconfig

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+[ignore]
+.*/node_modules/fbjs/.*
+
+[include]
+
+[libs]
+flow-typed/
+
+[options]
+suppress_comment=\\(.\\|\n\\)*\\$FlowIssue

config/babel.dev.js

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+var path = require('path');
+
+module.exports = {
+  // Don't try to find .babelrc because we want to force this configuration.
+  babelrc: false,
+  // This is a feature of `babel-loader` for webpack (not Babel itself).
+  // It enables caching results in OS temporary directory for faster rebuilds.
+  cacheDirectory: true,
+  presets: [
+    // Latest stable ECMAScript features
+    require.resolve('babel-preset-latest'),
+    // JSX, Flow
+    require.resolve('babel-preset-react')
+  ],
+  plugins: [
+    // To split lodash modules
+    require.resolve('babel-plugin-lodash'),
+    // class { handleClick = () => { } }
+    require.resolve('babel-plugin-transform-class-properties'),
+    // { ...todo, completed: true }
+    require.resolve('babel-plugin-transform-object-rest-spread'),
+    // function* () { yield 42; yield 43; }
+    [require.resolve('babel-plugin-transform-regenerator'), {
+      // Async functions are converted to generators by babel-preset-latest
+      async: false
+    }],
+    // Polyfills the runtime needed for async/await and generators
+    [require.resolve('babel-plugin-transform-runtime'), {
+      helpers: false,
+      polyfill: false,
+      regenerator: true,
+      // Resolve the Babel runtime relative to the config.
+      // You can safely remove this after ejecting:
+      moduleName: path.dirname(require.resolve('babel-runtime/package'))
+    }],
+    require.resolve('react-hot-loader/babel'),
+  ]
+};

config/babel.prod.js

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+var path = require('path');
+
+module.exports = {
+  // Don't try to find .babelrc because we want to force this configuration.
+  babelrc: false,
+  presets: [
+    // Latest stable ECMAScript features
+    require.resolve('babel-preset-latest'),
+    // JSX, Flow
+    require.resolve('babel-preset-react')
+  ],
+  plugins: [
+    // To split lodash modules
+    require.resolve('babel-plugin-lodash'),
+    // class { handleClick = () => { } }
+    require.resolve('babel-plugin-transform-class-properties'),
+    // { ...todo, completed: true }
+    require.resolve('babel-plugin-transform-object-rest-spread'),
+    // function* () { yield 42; yield 43; }
+    [require.resolve('babel-plugin-transform-regenerator'), {
+      // Async functions are converted to generators by babel-preset-latest
+      async: false
+    }],
+    // Polyfills the runtime needed for async/await and generators
+    [require.resolve('babel-plugin-transform-runtime'), {
+      helpers: false,
+      polyfill: false,
+      regenerator: true,
+      // Resolve the Babel runtime relative to the config.
+      // You can safely remove this after ejecting:
+      moduleName: path.dirname(require.resolve('babel-runtime/package'))
+    }],
+    // Optimization: hoist JSX that never changes out of render()
+    // Disabled because of issues:
+    // * https://github.com/facebookincubator/create-react-app/issues/525
+    // * https://phabricator.babeljs.io/search/query/pCNlnC2xzwzx/
+    // TODO: Enable again when these issues are resolved.
+    // require.resolve('babel-plugin-transform-react-constant-elements')
+  ]
+};

config/env.js

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+// Grab NODE_ENV and REACT_APP_* environment variables and prepare them to be
+// injected into the application via DefinePlugin in Webpack configuration.
+
+var REACT_APP = /^REACT_APP_/i;
+var NODE_ENV = JSON.stringify(process.env.NODE_ENV || 'development');
+
+module.exports = Object
+  .keys(process.env)
+  .filter(key => REACT_APP.test(key))
+  .reduce((env, key) => {
+    env['process.env.' + key] = JSON.stringify(process.env[key]);
+    return env;
+  }, {
+    'process.env.NODE_ENV': NODE_ENV
+  });

config/flow/css.js.flow

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+// @flow

config/flow/file.js.flow

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+// @flow
+declare export default string;

config/jest/CSSStub.js

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+module.exports = {};

config/jest/FileStub.js

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+module.exports = "test-file-stub";

config/jest/transform.js

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+const babelDev = require('../babel.dev');
+const babelJest = require('babel-jest');
+
+module.exports = babelJest.createTransformer(babelDev);

config/paths.js

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+var path = require('path');
+
+// We support resolving modules according to `NODE_PATH`.
+// This lets you use absolute paths in imports inside large monorepos:
+// https://github.com/facebookincubator/create-react-app/issues/253.
+
+// It works similar to `NODE_PATH` in Node itself:
+// https://nodejs.org/api/modules.html#modules_loading_from_the_global_folders
+
+// We will export `nodePaths` as an array of absolute paths.
+// It will then be used by Webpack configs.
+// Jest doesn’t need this because it already handles `NODE_PATH` out of the box.
+
+var nodePaths = (process.env.NODE_PATH || '')
+  .split(process.platform === 'win32' ? ';' : ':')
+  .filter(Boolean)
+  .map(p => path.resolve(p));
+
+function resolveApp(relativePath) {
+  return path.resolve(relativePath);
+}
+
+// config after eject: we're in ./config/
+module.exports = {
+  appBuild: resolveApp('build'),
+  appHtml: resolveApp('index.html'),
+  appPackageJson: resolveApp('package.json'),
+  appSrc: resolveApp('src'),
+  testsSetup: resolveApp('src/setupTests.js'),
+  appNodeModules: resolveApp('node_modules'),
+  ownNodeModules: resolveApp('node_modules'),
+  nodePaths: nodePaths
+};

config/polyfills.js

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+if (typeof Promise === 'undefined') {
+  // Rejection tracking prevents a common issue where React gets into an
+  // inconsistent state due to an error, but it gets swallowed by a Promise,
+  // and the user has no idea what causes React's erratic future behavior.
+  require('promise/lib/rejection-tracking').enable();
+  window.Promise = require('promise/lib/es6-extensions.js');
+}
+
+// fetch() polyfill for making API calls.
+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');

config/webpack.config.dev.js

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+var path = require('path');
+var autoprefixer = require('autoprefixer');
+var webpack = require('webpack');
+var HtmlWebpackPlugin = require('html-webpack-plugin');
+var CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin');
+var WatchMissingNodeModulesPlugin = require('../scripts/utils/WatchMissingNodeModulesPlugin');
+var paths = require('./paths');
+var env = require('./env');
+
+// This is the development configuration.
+// It is focused on developer experience and fast rebuilds.
+// The production configuration is different and lives in a separate file.
+module.exports = {
+  // This makes the bundle appear split into separate modules in the devtools.
+  // We don't use source maps here because they can be confusing:
+  // https://github.com/facebookincubator/create-react-app/issues/343#issuecomment-237241875
+  // You may want 'cheap-module-source-map' instead if you prefer source maps.
+  devtool: 'eval',
+  // These are the "entry points" to our application.
+  // 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: [
+    // Hot module reloading, is only enabled for dev server
+    require.resolve('react-hot-loader/patch'),
+    // Include WebpackDevServer client. It connects to WebpackDevServer via
+    // sockets and waits for recompile notifications. When WebpackDevServer
+    // recompiles, it sends a message to the client by socket. If only CSS
+    // was changed, the app reload just the CSS. Otherwise, it will refresh.
+    // The "?/" bit at the end tells the client to look for the socket at
+    // the root path, i.e. /sockjs-node/. Otherwise visiting a client-side
+    // route like /todos/42 would make it wrongly request /todos/42/sockjs-node.
+    // The socket server is a part of WebpackDevServer which we are using.
+    // The /sockjs-node/ path I'm referring to is hardcoded in WebpackDevServer.
+    require.resolve('webpack-dev-server/client') + '?/',
+    // Include Webpack hot module replacement runtime. Webpack is pretty
+    // low-level so we need to put all the pieces together. The runtime listens
+    // to the events received by the client above, and applies updates (such as
+    // new CSS) to the running application.
+    require.resolve('webpack/hot/dev-server'),
+    // We ship a few polyfills by default.
+    require.resolve('./polyfills'),
+    // Finally, this is your app's code:
+    path.join(paths.appSrc, 'index')
+    // 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
+    // served by WebpackDevServer in development. This is the JS bundle
+    // containing code from all our entry points, and the Webpack runtime.
+    filename: 'static/js/bundle.js',
+    // In development, we always serve from the root. This makes config easier.
+    publicPath: '/'
+  },
+  resolve: {
+    // This allows you to set a fallback for where Webpack should look for modules.
+    // We read `NODE_PATH` environment variable in `paths.js` and pass paths here.
+    // We use `fallback` instead of `root` because we want `node_modules` to "win"
+    // if there any conflicts. This matches Node resolution mechanism.
+    // https://github.com/facebookincubator/create-react-app/issues/253
+    fallback: paths.nodePaths,
+    // These are the reasonable defaults supported by the Node ecosystem.
+    // 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', ''],
+    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'
+    }
+  },
+  // Resolve loaders (webpack plugins for CSS, images, transpilation) from the
+  // directory of `react-scripts` itself rather than the project directory.
+  // You can remove this after ejecting.
+  resolveLoader: {
+    root: paths.ownNodeModules,
+    moduleTemplates: ['*-loader']
+  },
+  module: {
+    // First, run the linter.
+    // It's important to do this before Babel processes the JS.
+    preLoaders: [
+      {
+        test: /\.(js|jsx)$/,
+        loader: 'eslint',
+        include: paths.appSrc,
+      }
+    ],
+    loaders: [
+      // Process JS with Babel.
+      {
+        test: /\.(js|jsx)$/,
+        include: paths.appSrc,
+        loader: 'babel',
+        query: require('./babel.dev')
+      },
+      {
+        test: /eval-component\.js$/,
+        include: paths.appSrc,
+        loader: 'babel',
+        query: (() => {
+          const config = Object.assign({}, require('./babel.dev'));
+
+          config.plugins.push(require.resolve('babel-plugin-transform-remove-strict-mode'));
+          return config;
+        })()
+      },
+      // "postcss" loader applies autoprefixer to our CSS.
+      // "css" loader resolves paths in CSS and adds assets as dependencies.
+      // "style" loader turns CSS into JS modules that inject <style> tags.
+      // In production, we use a plugin to extract that CSS to a file, but
+      // in development "style" loader enables hot editing of CSS.
+      {
+        test: /\.s?css$/,
+        loaders: [
+          'style',
+          'css',
+          'postcss'
+        ]
+      },
+      // JSON is not enabled by default in Webpack but both Node and Browserify
+      // allow it implicitly so we also enable it.
+      {
+        test: /\.json$/,
+        loader: 'json'
+      },
+      // "file" loader makes sure those assets get served by WebpackDevServer.
+      // When you `import` an asset, you get its (virtual) filename.
+      // In production, they would get copied to the `build` folder.
+      {
+        test: /\.(ico|jpg|png|gif|eot|otf|webp|svg|ttf|woff|woff2)(\?.*)?$/,
+        exclude: /\/favicon.ico$/,
+        loader: 'file',
+        query: {
+          name: 'static/media/[name].[hash:8].[ext]'
+        }
+      },
+      // A special case for favicon.ico to place it into build root directory.
+      {
+        test: /\/favicon.ico$/,
+        include: [paths.appSrc],
+        loader: 'file',
+        query: {
+          name: 'favicon.ico?[hash:8]'
+        }
+      },
+      // "url" loader works just like "file" loader but it also embeds
+      // assets smaller than specified size as data URLs to avoid requests.
+      {
+        test: /\.(mp4|webm)(\?.*)?$/,
+        loader: 'url',
+        query: {
+          limit: 10000,
+          name: 'static/media/[name].[hash:8].[ext]'
+        }
+      },
+      // "html" loader is used to process template page (index.html) to resolve
+      // resources linked with <link href="./relative/path"> HTML tags.
+      {
+        test: /\.html$/,
+        loader: 'html',
+        query: {
+          attrs: ['link:href'],
+        }
+      }
+    ]
+  },
+  // We use PostCSS for autoprefixing only.
+  postcss: function() {
+    return [
+      autoprefixer({
+        browsers: [
+          '>1%',
+          'last 4 versions',
+          'Firefox ESR',
+          'not ie < 9', // React doesn't support IE8 anyway
+        ]
+      }),
+    ];
+  },
+  plugins: [
+    // Generates an `index.html` file with the <script> injected.
+    new HtmlWebpackPlugin({
+      inject: true,
+      template: paths.appHtml,
+    }),
+    // Makes some environment variables available to the JS code, for example:
+    // if (process.env.NODE_ENV === 'development') { ... }. See `env.js`.
+    new webpack.DefinePlugin(env),
+    // This is necessary to emit hot updates (currently CSS only):
+    new webpack.HotModuleReplacementPlugin(),
+    // Watcher doesn't work well if you mistype casing in a path so we use
+    // a plugin that prints an error when you attempt to do this.
+    // See https://github.com/facebookincubator/create-react-app/issues/240
+    new CaseSensitivePathsPlugin(),
+    // If you require a missing module and then `npm install` it, you still have
+    // to restart the development server for Webpack to discover it. This plugin
+    // makes the discovery automatic so you don't have to restart.
+    // See https://github.com/facebookincubator/create-react-app/issues/186
+    new WatchMissingNodeModulesPlugin(paths.appNodeModules)
+  ]
+};