From 7cd765e2cc80f2212ccf757dc3681b97c4b5d216 Mon Sep 17 00:00:00 2001
From: AllenFang <ayu780129@hotmail.com>
Date: Sun, 14 May 2017 18:25:46 +0800
Subject: [PATCH] initial commits for react and redux scratch application

---
 config/env.js                 |  38 ++++
 config/jest/cssTransform.js   |  14 ++
 config/jest/fileTransform.js  |  12 ++
 config/paths.js               |  80 +++++++++
 config/polyfills.js           |  16 ++
 config/webpack.config.dev.js  | 211 +++++++++++++++++++++++
 config/webpack.config.prod.js | 245 ++++++++++++++++++++++++++
 package.json                  |  91 +++++++++-
 public-react/favicon.ico      | Bin 0 -> 24838 bytes
 public-react/index.html       |  31 ++++
 scripts/build.js              | 158 +++++++++++++++++
 scripts/start.js              | 316 ++++++++++++++++++++++++++++++++++
 scripts/test.js               |  21 +++
 src-react/App.css             |  24 +++
 src-react/App.js              |  21 +++
 src-react/App.test.js         |   8 +
 src-react/index.css           |   5 +
 src-react/index.js            |   9 +
 src-react/logo.svg            |   7 +
 19 files changed, 1300 insertions(+), 7 deletions(-)
 create mode 100644 config/env.js
 create mode 100644 config/jest/cssTransform.js
 create mode 100644 config/jest/fileTransform.js
 create mode 100644 config/paths.js
 create mode 100644 config/polyfills.js
 create mode 100644 config/webpack.config.dev.js
 create mode 100644 config/webpack.config.prod.js
 create mode 100644 public-react/favicon.ico
 create mode 100644 public-react/index.html
 create mode 100644 scripts/build.js
 create mode 100644 scripts/start.js
 create mode 100644 scripts/test.js
 create mode 100644 src-react/App.css
 create mode 100644 src-react/App.js
 create mode 100644 src-react/App.test.js
 create mode 100644 src-react/index.css
 create mode 100644 src-react/index.js
 create mode 100644 src-react/logo.svg

diff --git a/config/env.js b/config/env.js
new file mode 100644
index 0000000..58a4b65
--- /dev/null
+++ b/config/env.js
@@ -0,0 +1,38 @@
+'use strict';
+
+// 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;
+
+function getClientEnvironment(publicUrl) {
+  var raw = Object
+    .keys(process.env)
+    .filter(key => REACT_APP.test(key))
+    .reduce((env, key) => {
+      env[key] = process.env[key];
+      return env;
+    }, {
+      // Useful for determining whether we’re running in production mode.
+      // Most importantly, it switches React into the correct mode.
+      'NODE_ENV': process.env.NODE_ENV || 'development',
+      // Useful for resolving the correct path to static assets in `public`.
+      // For example, <img src={process.env.PUBLIC_URL + '/img/logo.png'} />.
+      // This should only be used as an escape hatch. Normally you would put
+      // images into the `src` and `import` them in code to get their paths.
+      'PUBLIC_URL': publicUrl
+    });
+  // Stringify all values so we can feed into Webpack DefinePlugin
+  var stringified = {
+    'process.env': Object
+      .keys(raw)
+      .reduce((env, key) => {
+        env[key] = JSON.stringify(raw[key]);
+        return env;
+      }, {})
+  };
+
+  return { raw, stringified };
+}
+
+module.exports = getClientEnvironment;
diff --git a/config/jest/cssTransform.js b/config/jest/cssTransform.js
new file mode 100644
index 0000000..f1534f6
--- /dev/null
+++ b/config/jest/cssTransform.js
@@ -0,0 +1,14 @@
+'use strict';
+
+// This is a custom Jest transformer turning style imports into empty objects.
+// http://facebook.github.io/jest/docs/tutorial-webpack.html
+
+module.exports = {
+  process() {
+    return 'module.exports = {};';
+  },
+  getCacheKey() {
+    // The output is always the same.
+    return 'cssTransform';
+  },
+};
diff --git a/config/jest/fileTransform.js b/config/jest/fileTransform.js
new file mode 100644
index 0000000..d1cc3b2
--- /dev/null
+++ b/config/jest/fileTransform.js
@@ -0,0 +1,12 @@
+'use strict';
+
+const path = require('path');
+
+// This is a custom Jest transformer turning file imports into filenames.
+// http://facebook.github.io/jest/docs/tutorial-webpack.html
+
+module.exports = {
+  process(src, filename) {
+    return 'module.exports = ' + JSON.stringify(path.basename(filename)) + ';';
+  },
+};
diff --git a/config/paths.js b/config/paths.js
new file mode 100644
index 0000000..5b86378
--- /dev/null
+++ b/config/paths.js
@@ -0,0 +1,80 @@
+'use strict';
+
+var path = require('path');
+var fs = require('fs');
+var url = require('url');
+
+// Make sure any symlinks in the project folder are resolved:
+// https://github.com/facebookincubator/create-react-app/issues/637
+var appDirectory = fs.realpathSync(process.cwd());
+function resolveApp(relativePath) {
+  return path.resolve(appDirectory, relativePath);
+}
+
+// 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.
+
+// Note that unlike in Node, only *relative* paths from `NODE_PATH` are honored.
+// Otherwise, we risk importing Node.js core modules into an app instead of Webpack shims.
+// https://github.com/facebookincubator/create-react-app/issues/1023#issuecomment-265344421
+
+var nodePaths = (process.env.NODE_PATH || '')
+  .split(process.platform === 'win32' ? ';' : ':')
+  .filter(Boolean)
+  .filter(folder => !path.isAbsolute(folder))
+  .map(resolveApp);
+
+var envPublicUrl = process.env.PUBLIC_URL;
+
+function ensureSlash(path, needsSlash) {
+  var hasSlash = path.endsWith('/');
+  if (hasSlash && !needsSlash) {
+    return path.substr(path, path.length - 1);
+  } else if (!hasSlash && needsSlash) {
+    return path + '/';
+  } else {
+    return path;
+  }
+}
+
+function getPublicUrl(appPackageJson) {
+  return envPublicUrl || require(appPackageJson).homepage;
+}
+
+// We use `PUBLIC_URL` environment variable or "homepage" field to infer
+// "public path" at which the app is served.
+// Webpack needs to know it to put the right <script> hrefs into HTML even in
+// single-page apps that may serve index.html for nested URLs like /todos/42.
+// We can't use a relative path in HTML because we don't want to load something
+// like /todos/42/static/js/bundle.7289d.js. We have to know the root.
+function getServedPath(appPackageJson) {
+  var publicUrl = getPublicUrl(appPackageJson);
+  var servedUrl = envPublicUrl || (
+    publicUrl ? url.parse(publicUrl).pathname : '/'
+  );
+  return ensureSlash(servedUrl, true);
+}
+
+// config after eject: we're in ./config/
+module.exports = {
+  appBuild: resolveApp('build'),
+  appPublic: resolveApp('public-react'),
+  appHtml: resolveApp('public-react/index.html'),
+  appIndexJs: resolveApp('src-react/index.js'),
+  appPackageJson: resolveApp('package.json'),
+  appSrc: resolveApp('src-react'),
+  yarnLockFile: resolveApp('yarn.lock'),
+  testsSetup: resolveApp('src/setupTests.js'),
+  appNodeModules: resolveApp('node_modules'),
+  nodePaths: nodePaths,
+  publicUrl: getPublicUrl(resolveApp('package.json')),
+  servedPath: getServedPath(resolveApp('package.json'))
+};
diff --git a/config/polyfills.js b/config/polyfills.js
new file mode 100644
index 0000000..5c1d866
--- /dev/null
+++ b/config/polyfills.js
@@ -0,0 +1,16 @@
+'use strict';
+
+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');
diff --git a/config/webpack.config.dev.js b/config/webpack.config.dev.js
new file mode 100644
index 0000000..109b5e2
--- /dev/null
+++ b/config/webpack.config.dev.js
@@ -0,0 +1,211 @@
+'use strict';
+
+var autoprefixer = require('autoprefixer');
+var webpack = require('webpack');
+var HtmlWebpackPlugin = require('html-webpack-plugin');
+var CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin');
+var InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
+var WatchMissingNodeModulesPlugin = require('react-dev-utils/WatchMissingNodeModulesPlugin');
+var getClientEnvironment = require('./env');
+var paths = require('./paths');
+
+
+
+// Webpack uses `publicPath` to determine where the app is being served from.
+// In development, we always serve from the root. This makes config easier.
+var publicPath = '/';
+// `publicUrl` is just like `publicPath`, but we will provide it to our app
+// as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
+// Omit trailing slash as %PUBLIC_PATH%/xyz looks better than %PUBLIC_PATH%xyz.
+var publicUrl = '';
+// Get environment variables to inject into our app.
+var env = getClientEnvironment(publicUrl);
+
+// 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 = {
+  // You may want 'eval' instead if you prefer to see the compiled output in DevTools.
+  // See the discussion in https://github.com/facebookincubator/create-react-app/issues/343.
+  devtool: 'cheap-module-source-map',
+  // 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: [
+    // 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
+    // of CSS changes), or refresh the page (in case of JS changes). When you
+    // make a syntax error, this client will display a syntax error overlay.
+    // Note: instead of the default WebpackDevServer client, we use a custom one
+    // to bring better experience for Create React App users. You can replace
+    // the line below with these two lines if you prefer the stock client:
+    // 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'),
+    // 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
+    // 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',
+    // This is the URL that app is served from. We use "/" in development.
+    publicPath: 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'
+    }
+  },
+  
+  module: {
+    // First, run the linter.
+    // It's important to do this before Babel processes the JS.
+    preLoaders: [
+      {
+        test: /\.(js|jsx)$/,
+        loader: 'eslint',
+        include: paths.appSrc,
+      }
+    ],
+    loaders: [
+      // ** ADDING/UPDATING LOADERS **
+      // The "url" loader handles all assets unless explicitly excluded.
+      // The `exclude` list *must* be updated with every change to loader extensions.
+      // When adding a new loader, you must add its `test`
+      // as a new entry in the `exclude` list for "url" loader.
+
+      // "url" loader embeds assets smaller than specified size as data URLs to avoid requests.
+      // Otherwise, it acts like the "file" loader.
+      {
+        exclude: [
+          /\.html$/,
+          // We have to write /\.(js|jsx)(\?.*)?$/ rather than just /\.(js|jsx)$/
+          // because you might change the hot reloading server from the custom one
+          // to Webpack's built-in webpack-dev-server/client?/, which would not
+          // get properly excluded by /\.(js|jsx)$/ because of the query string.
+          // Webpack 2 fixes this, but for now we include this hack.
+          // https://github.com/facebookincubator/create-react-app/issues/1713
+          /\.(js|jsx)(\?.*)?$/,
+          /\.css$/,
+          /\.json$/,
+          /\.svg$/
+        ],
+        loader: 'url',
+        query: {
+          limit: 10000,
+          name: 'static/media/[name].[hash:8].[ext]'
+        }
+      },
+      // Process JS with Babel.
+      {
+        test: /\.(js|jsx)$/,
+        include: paths.appSrc,
+        loader: 'babel',
+        query: {
+          
+          // 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$/,
+        loader: 'style!css?importLoaders=1!postcss'
+      },
+      // JSON is not enabled by default in Webpack but both Node and Browserify
+      // allow it implicitly so we also enable it.
+      {
+        test: /\.json$/,
+        loader: 'json'
+      },
+      // "file" loader for svg
+      {
+        test: /\.svg$/,
+        loader: 'file',
+        query: {
+          name: 'static/media/[name].[hash:8].[ext]'
+        }
+      }
+      // ** STOP ** Are you adding a new loader?
+      // Remember to add the new extension(s) to the "url" loader exclusion list.
+    ]
+  },
+  
+  // 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: [
+    // Makes some environment variables available in index.html.
+    // The public URL is available as %PUBLIC_URL% in index.html, e.g.:
+    // <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
+    // In development, this will be an empty string.
+    new InterpolateHtmlPlugin(env.raw),
+    // 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.stringified),
+    // 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)
+  ],
+  // 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: {
+    fs: 'empty',
+    net: 'empty',
+    tls: 'empty'
+  }
+};
diff --git a/config/webpack.config.prod.js b/config/webpack.config.prod.js
new file mode 100644
index 0000000..74a54b6
--- /dev/null
+++ b/config/webpack.config.prod.js
@@ -0,0 +1,245 @@
+'use strict';
+
+var autoprefixer = require('autoprefixer');
+var webpack = require('webpack');
+var HtmlWebpackPlugin = require('html-webpack-plugin');
+var ExtractTextPlugin = require('extract-text-webpack-plugin');
+var ManifestPlugin = require('webpack-manifest-plugin');
+var InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
+var paths = require('./paths');
+var getClientEnvironment = require('./env');
+
+
+
+// Webpack uses `publicPath` to determine where the app is being served from.
+// It requires a trailing slash, or the file assets will get an incorrect path.
+var publicPath = paths.servedPath;
+// Some apps do not use client-side routing with pushState.
+// For these, "homepage" can be set to "." to enable relative asset paths.
+var shouldUseRelativeAssetPaths = publicPath === './';
+// `publicUrl` is just like `publicPath`, but we will provide it to our app
+// as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
+// Omit trailing slash as %PUBLIC_URL%/xyz looks better than %PUBLIC_URL%xyz.
+var publicUrl = publicPath.slice(0, -1);
+// Get environment variables to inject into our app.
+var env = getClientEnvironment(publicUrl);
+
+// Assert this just to be safe.
+// Development builds of React are slow and not intended for production.
+if (env.stringified['process.env'].NODE_ENV !== '"production"') {
+  throw new Error('Production builds must have NODE_ENV=production.');
+}
+
+// Note: defined here because it will be used more than once.
+const cssFilename = 'static/css/[name].[contenthash:8].css';
+
+// ExtractTextPlugin expects the build output to be flat.
+// (See https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/27)
+// However, our output is structured with css, js and media folders.
+// To have this structure working with relative paths, we have to use custom options.
+const extractTextPluginOptions = shouldUseRelativeAssetPaths
+  // Making sure that the publicPath goes back to to build folder.
+  ? { publicPath: Array(cssFilename.split('/').length).join('../') }
+  : undefined;
+
+// This is the production configuration.
+// It compiles slowly and is focused on producing a fast and minimal bundle.
+// The development configuration is different and lives in a separate file.
+module.exports = {
+  // Don't attempt to continue if there are any errors.
+  bail: true,
+  // We generate sourcemaps in production. This is slow but gives good results.
+  // You can exclude the *.map files from the build during deployment.
+  devtool: 'source-map',
+  // In production, we only want to load the polyfills and the app code.
+  entry: [
+    require.resolve('./polyfills'),
+    paths.appIndexJs
+  ],
+  output: {
+    // The build folder.
+    path: paths.appBuild,
+    // Generated JS file names (with nested folders).
+    // There will be one main bundle, and one file per asynchronous chunk.
+    // We don't currently advertise code splitting but Webpack supports it.
+    filename: 'static/js/[name].[chunkhash:8].js',
+    chunkFilename: 'static/js/[name].[chunkhash:8].chunk.js',
+    // We inferred the "public path" (such as / or /my-project) from homepage.
+    publicPath: 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'
+    }
+  },
+  
+  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: [
+      // ** ADDING/UPDATING LOADERS **
+      // The "url" 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 in the "url" loader.
+
+      // "url" loader embeds assets smaller than specified size as data URLs to avoid requests.
+      // Otherwise, it acts like the "file" loader.
+      {
+        exclude: [
+          /\.html$/,
+          /\.(js|jsx)$/,
+          /\.css$/,
+          /\.json$/,
+          /\.svg$/
+        ],
+        loader: 'url',
+        query: {
+          limit: 10000,
+          name: 'static/media/[name].[hash:8].[ext]'
+        }
+      },
+      // Process JS with Babel.
+      {
+        test: /\.(js|jsx)$/,
+        include: paths.appSrc,
+        loader: 'babel',
+        
+      },
+      // The notation here is somewhat confusing.
+      // "postcss" loader applies autoprefixer to our CSS.
+      // "css" loader resolves paths in CSS and adds assets as dependencies.
+      // "style" loader normally turns CSS into JS modules injecting <style>,
+      // but unlike in development configuration, we do something different.
+      // `ExtractTextPlugin` first applies the "postcss" and "css" loaders
+      // (second argument), then grabs the result CSS and puts it into a
+      // separate file in our build process. This way we actually ship
+      // a single CSS file in production instead of JS code injecting <style>
+      // tags. If you use code splitting, however, any async bundles will still
+      // use the "style" loader inside the async code so CSS from them won't be
+      // in the main CSS file.
+      {
+        test: /\.css$/,
+        loader: ExtractTextPlugin.extract(
+          'style',
+          'css?importLoaders=1!postcss',
+          extractTextPluginOptions
+        )
+        // Note: this won't work without `new ExtractTextPlugin()` in `plugins`.
+      },
+      // JSON is not enabled by default in Webpack but both Node and Browserify
+      // allow it implicitly so we also enable it.
+      {
+        test: /\.json$/,
+        loader: 'json'
+      },
+      // "file" loader for svg
+      {
+        test: /\.svg$/,
+        loader: 'file',
+        query: {
+          name: 'static/media/[name].[hash:8].[ext]'
+        }
+      }
+      // ** STOP ** Are you adding a new loader?
+      // Remember to add the new extension(s) to the "url" loader exclusion list.
+    ]
+  },
+  
+  // 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: [
+    // Makes some environment variables available in index.html.
+    // The public URL is available as %PUBLIC_URL% in index.html, e.g.:
+    // <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
+    // In production, it will be an empty string unless you specify "homepage"
+    // in `package.json`, in which case it will be the pathname of that URL.
+    new InterpolateHtmlPlugin(env.raw),
+    // Generates an `index.html` file with the <script> injected.
+    new HtmlWebpackPlugin({
+      inject: true,
+      template: paths.appHtml,
+      minify: {
+        removeComments: true,
+        collapseWhitespace: true,
+        removeRedundantAttributes: true,
+        useShortDoctype: true,
+        removeEmptyAttributes: true,
+        removeStyleLinkTypeAttributes: true,
+        keepClosingSlash: true,
+        minifyJS: true,
+        minifyCSS: true,
+        minifyURLs: true
+      }
+    }),
+    // Makes some environment variables available to the JS code, for example:
+    // if (process.env.NODE_ENV === 'production') { ... }. See `./env.js`.
+    // It is absolutely essential that NODE_ENV was set to production here.
+    // Otherwise React will be compiled in the very slow development mode.
+    new webpack.DefinePlugin(env.stringified),
+    // This helps ensure the builds are consistent if source hasn't changed:
+    new webpack.optimize.OccurrenceOrderPlugin(),
+    // Try to dedupe duplicated modules, if any:
+    new webpack.optimize.DedupePlugin(),
+    // Minify the code.
+    new webpack.optimize.UglifyJsPlugin({
+      compress: {
+        screw_ie8: true, // React doesn't support IE8
+        warnings: false
+      },
+      mangle: {
+        screw_ie8: true
+      },
+      output: {
+        comments: false,
+        screw_ie8: true
+      }
+    }),
+    // Note: this won't work without ExtractTextPlugin.extract(..) in `loaders`.
+    new ExtractTextPlugin(cssFilename),
+    // Generate a manifest file which contains a mapping of all asset filenames
+    // to their corresponding output file so that tools can pick it up without
+    // having to parse `index.html`.
+    new ManifestPlugin({
+      fileName: 'asset-manifest.json'
+    })
+  ],
+  // 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: {
+    fs: 'empty',
+    net: 'empty',
+    tls: 'empty'
+  }
+};
diff --git a/package.json b/package.json
index 30e1f9f..544fd16 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,10 @@
   "ungitPluginApiVersion": "0.2.0",
   "scripts": {
     "start": "node ./bin/ungit",
-    "test": "grunt test"
+    "test": "grunt test",
+    "start-react": "node scripts/start.js",
+    "build-react": "node scripts/build.js",
+    "test-react": "node scripts/test.js --env=jsdom"
   },
   "repository": {
     "type": "git",
@@ -16,6 +19,11 @@
     "ungit": "./bin/ungit",
     "0ungit-credentials-helper": "./bin/credentials-helper"
   },
+  "engines": {
+    "node": ">=0.10"
+  },
+  "license": "MIT",
+  "main": "public/main.js",
   "dependencies": {
     "async": "~2.4.0",
     "bluebird": "~3.5.0",
@@ -56,7 +64,11 @@
     "superagent": "^0.21.0",
     "temp": "~0.8.3",
     "winston": "~2.3.1",
-    "yargs": "~8.0.0-candidate.0"
+    "yargs": "~8.0.0-candidate.0",
+    "react": "^15.5.4",
+    "react-dom": "^15.5.4",
+    "react-redux": "^5.0.4",
+    "redux": "^3.6.0"
   },
   "devDependencies": {
     "ansi-color": "~0.2.1",
@@ -82,13 +94,78 @@
     "istanbul": "~0.4.5",
     "mocha": "~3.3.0",
     "phantomjs-prebuilt": "~2.1.14",
-    "supertest": "~3.0.0"
+    "supertest": "~3.0.0",
+    "autoprefixer": "6.7.2",
+    "babel-core": "6.22.1",
+    "babel-eslint": "7.1.1",
+    "babel-jest": "18.0.0",
+    "babel-loader": "6.2.10",
+    "babel-preset-react-app": "^2.2.0",
+    "babel-runtime": "^6.20.0",
+    "case-sensitive-paths-webpack-plugin": "1.1.4",
+    "chalk": "1.1.3",
+    "connect-history-api-fallback": "1.3.0",
+    "cross-spawn": "4.0.2",
+    "css-loader": "0.26.1",
+    "detect-port": "1.1.0",
+    "dotenv": "2.0.0",
+    "eslint": "3.16.1",
+    "eslint-config-react-app": "^0.6.2",
+    "eslint-loader": "1.6.0",
+    "eslint-plugin-flowtype": "2.21.0",
+    "eslint-plugin-import": "2.0.1",
+    "eslint-plugin-jsx-a11y": "4.0.0",
+    "eslint-plugin-react": "6.4.1",
+    "extract-text-webpack-plugin": "1.0.1",
+    "file-loader": "0.10.0",
+    "fs-extra": "0.30.0",
+    "html-webpack-plugin": "2.24.0",
+    "http-proxy-middleware": "0.17.3",
+    "jest": "18.1.0",
+    "json-loader": "0.5.4",
+    "object-assign": "4.1.1",
+    "postcss-loader": "1.2.2",
+    "promise": "7.1.1",
+    "react-dev-utils": "^0.5.2",
+    "style-loader": "0.13.1",
+    "url-loader": "0.5.7",
+    "webpack": "1.14.0",
+    "webpack-dev-server": "1.16.2",
+    "webpack-manifest-plugin": "1.1.0",
+    "whatwg-fetch": "2.0.2"
   },
-  "engines": {
-    "node": ">=0.10"
+  "jest": {
+    "collectCoverageFrom": [
+      "src/**/*.{js,jsx}"
+    ],
+    "setupFiles": [
+      "<rootDir>/config/polyfills.js"
+    ],
+    "testPathIgnorePatterns": [
+      "<rootDir>[/\\\\](build|docs|node_modules|scripts)[/\\\\]"
+    ],
+    "testEnvironment": "node",
+    "testURL": "http://localhost",
+    "transform": {
+      "^.+\\.(js|jsx)$": "<rootDir>/node_modules/babel-jest",
+      "^.+\\.css$": "<rootDir>/config/jest/cssTransform.js",
+      "^(?!.*\\.(js|jsx|css|json)$)": "<rootDir>/config/jest/fileTransform.js"
+    },
+    "transformIgnorePatterns": [
+      "[/\\\\]node_modules[/\\\\].+\\.(js|jsx)$"
+    ],
+    "moduleNameMapper": {
+      "^react-native$": "react-native-web"
+    }
+  },
+  "babel": {
+    "presets": [
+      "react-app"
+    ]
+  },
+  "eslintConfig": {
+    "extends": "react-app"
   },
-  "license": "MIT",
-  "main": "public/main.js",
   "window": {
     "title": "Ungit",
     "icon": "icon.png",
diff --git a/public-react/favicon.ico b/public-react/favicon.ico
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diff --git a/public-react/index.html b/public-react/index.html
new file mode 100644
index 0000000..aab5e3b
--- /dev/null
+++ b/public-react/index.html
@@ -0,0 +1,31 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
+    <!--
+      Notice the use of %PUBLIC_URL% in the tag above.
+      It will be replaced with the URL of the `public` folder during the build.
+      Only files inside the `public` folder can be referenced from the HTML.
+
+      Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
+      work correctly both with client-side routing and a non-root public URL.
+      Learn how to configure a non-root public URL by running `npm run build`.
+    -->
+    <title>React App</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <!--
+      This HTML file is a template.
+      If you open it directly in the browser, you will see an empty page.
+
+      You can add webfonts, meta tags, or analytics to this file.
+      The build step will place the bundled scripts into the <body> tag.
+
+      To begin the development, run `npm start`.
+      To create a production bundle, use `npm run build`.
+    -->
+  </body>
+</html>
diff --git a/scripts/build.js b/scripts/build.js
new file mode 100644
index 0000000..73664e3
--- /dev/null
+++ b/scripts/build.js
@@ -0,0 +1,158 @@
+'use strict';
+
+// Do this as the first thing so that any code reading it knows the right env.
+process.env.NODE_ENV = 'production';
+
+// Load environment variables from .env file. Suppress warnings using silent
+// if this file is missing. dotenv will never modify any environment variables
+// that have already been set.
+// https://github.com/motdotla/dotenv
+require('dotenv').config({silent: true});
+
+var chalk = require('chalk');
+var fs = require('fs-extra');
+var path = require('path');
+var url = require('url');
+var webpack = require('webpack');
+var config = require('../config/webpack.config.prod');
+var paths = require('../config/paths');
+var checkRequiredFiles = require('react-dev-utils/checkRequiredFiles');
+var FileSizeReporter = require('react-dev-utils/FileSizeReporter');
+var measureFileSizesBeforeBuild = FileSizeReporter.measureFileSizesBeforeBuild;
+var printFileSizesAfterBuild = FileSizeReporter.printFileSizesAfterBuild;
+
+var useYarn = fs.existsSync(paths.yarnLockFile);
+
+// Warn and crash if required files are missing
+if (!checkRequiredFiles([paths.appHtml, paths.appIndexJs])) {
+  process.exit(1);
+}
+
+// First, read the current file sizes in build directory.
+// This lets us display how much they changed later.
+measureFileSizesBeforeBuild(paths.appBuild).then(previousFileSizes => {
+  // Remove all content but keep the directory so that
+  // if you're in it, you don't end up in Trash
+  fs.emptyDirSync(paths.appBuild);
+
+  // Start the webpack build
+  build(previousFileSizes);
+
+  // Merge with the public folder
+  copyPublicFolder();
+});
+
+// Print out errors
+function printErrors(summary, errors) {
+  console.log(chalk.red(summary));
+  console.log();
+  errors.forEach(err => {
+    console.log(err.message || err);
+    console.log();
+  });
+}
+
+// Create the production build and print the deployment instructions.
+function build(previousFileSizes) {
+  console.log('Creating an optimized production build...');
+  webpack(config).run((err, stats) => {
+    if (err) {
+      printErrors('Failed to compile.', [err]);
+      process.exit(1);
+    }
+
+    if (stats.compilation.errors.length) {
+      printErrors('Failed to compile.', stats.compilation.errors);
+      process.exit(1);
+    }
+
+    if (process.env.CI && stats.compilation.warnings.length) {
+     printErrors('Failed to compile. When process.env.CI = true, warnings are treated as failures. Most CI servers set this automatically.', stats.compilation.warnings);
+     process.exit(1);
+   }
+
+    console.log(chalk.green('Compiled successfully.'));
+    console.log();
+
+    console.log('File sizes after gzip:');
+    console.log();
+    printFileSizesAfterBuild(stats, previousFileSizes);
+    console.log();
+
+    var appPackage  = require(paths.appPackageJson);
+    var publicUrl = paths.publicUrl;
+    var publicPath = config.output.publicPath;
+    var publicPathname = url.parse(publicPath).pathname;
+    if (publicUrl && publicUrl.indexOf('.github.io/') !== -1) {
+      // "homepage": "http://user.github.io/project"
+      console.log('The project was built assuming it is hosted at ' + chalk.green(publicPathname) + '.');
+      console.log('You can control this with the ' + chalk.green('homepage') + ' field in your '  + chalk.cyan('package.json') + '.');
+      console.log();
+      console.log('The ' + chalk.cyan('build') + ' folder is ready to be deployed.');
+      console.log('To publish it at ' + chalk.green(publicUrl) + ', run:');
+      // If script deploy has been added to package.json, skip the instructions
+      if (typeof appPackage.scripts.deploy === 'undefined') {
+        console.log();
+        if (useYarn) {
+          console.log('  ' + chalk.cyan('yarn') +  ' add --dev gh-pages');
+        } else {
+          console.log('  ' + chalk.cyan('npm') +  ' install --save-dev gh-pages');
+        }
+        console.log();
+        console.log('Add the following script in your ' + chalk.cyan('package.json') + '.');
+        console.log();
+        console.log('    ' + chalk.dim('// ...'));
+        console.log('    ' + chalk.yellow('"scripts"') + ': {');
+        console.log('      ' + chalk.dim('// ...'));
+        console.log('      ' + chalk.yellow('"predeploy"') + ': ' + chalk.yellow('"npm run build",'));
+        console.log('      ' + chalk.yellow('"deploy"') + ': ' + chalk.yellow('"gh-pages -d build"'));
+        console.log('    }');
+        console.log();
+        console.log('Then run:');
+      }
+      console.log();
+      console.log('  ' + chalk.cyan(useYarn ? 'yarn' : 'npm') +  ' run deploy');
+      console.log();
+    } else if (publicPath !== '/') {
+      // "homepage": "http://mywebsite.com/project"
+      console.log('The project was built assuming it is hosted at ' + chalk.green(publicPath) + '.');
+      console.log('You can control this with the ' + chalk.green('homepage') + ' field in your '  + chalk.cyan('package.json') + '.');
+      console.log();
+      console.log('The ' + chalk.cyan('build') + ' folder is ready to be deployed.');
+      console.log();
+    } else {
+      if (publicUrl) {
+        // "homepage": "http://mywebsite.com"
+        console.log('The project was built assuming it is hosted at ' + chalk.green(publicUrl) +  '.');
+        console.log('You can control this with the ' + chalk.green('homepage') + ' field in your '  + chalk.cyan('package.json') + '.');
+        console.log();
+      } else {
+        // no homepage
+        console.log('The project was built assuming it is hosted at the server root.');
+        console.log('To override this, specify the ' + chalk.green('homepage') + ' in your '  + chalk.cyan('package.json') + '.');
+        console.log('For example, add this to build it for GitHub Pages:')
+        console.log();
+        console.log('  ' + chalk.green('"homepage"') + chalk.cyan(': ') + chalk.green('"http://myname.github.io/myapp"') + chalk.cyan(','));
+        console.log();
+      }
+      var build = path.relative(process.cwd(), paths.appBuild);
+      console.log('The ' + chalk.cyan(build) + ' folder is ready to be deployed.');
+      console.log('You may serve it with a static server:');
+      console.log();
+      if (useYarn) {
+        console.log(`  ${chalk.cyan('yarn')} global add serve`);
+      } else {
+        console.log(`  ${chalk.cyan('npm')} install -g serve`);
+      }
+      console.log(`  ${chalk.cyan('serve')} -s build`);
+      console.log();
+    }
+  });
+}
+
+function copyPublicFolder() {
+  fs.copySync(paths.appPublic, paths.appBuild, {
+    dereference: true,
+    filter: file => file !== paths.appHtml
+  });
+}
diff --git a/scripts/start.js b/scripts/start.js
new file mode 100644
index 0000000..2663cf7
--- /dev/null
+++ b/scripts/start.js
@@ -0,0 +1,316 @@
+'use strict';
+
+process.env.NODE_ENV = 'development';
+
+// Load environment variables from .env file. Suppress warnings using silent
+// if this file is missing. dotenv will never modify any environment variables
+// that have already been set.
+// https://github.com/motdotla/dotenv
+require('dotenv').config({silent: true});
+
+var chalk = require('chalk');
+var webpack = require('webpack');
+var WebpackDevServer = require('webpack-dev-server');
+var historyApiFallback = require('connect-history-api-fallback');
+var httpProxyMiddleware = require('http-proxy-middleware');
+var detect = require('detect-port');
+var clearConsole = require('react-dev-utils/clearConsole');
+var checkRequiredFiles = require('react-dev-utils/checkRequiredFiles');
+var formatWebpackMessages = require('react-dev-utils/formatWebpackMessages');
+var getProcessForPort = require('react-dev-utils/getProcessForPort');
+var openBrowser = require('react-dev-utils/openBrowser');
+var prompt = require('react-dev-utils/prompt');
+var fs = require('fs');
+var config = require('../config/webpack.config.dev');
+var paths = require('../config/paths');
+
+var useYarn = fs.existsSync(paths.yarnLockFile);
+var cli = useYarn ? 'yarn' : 'npm';
+var isInteractive = process.stdout.isTTY;
+
+// Warn and crash if required files are missing
+if (!checkRequiredFiles([paths.appHtml, paths.appIndexJs])) {
+  process.exit(1);
+}
+
+// Tools like Cloud9 rely on this.
+var DEFAULT_PORT = parseInt(process.env.PORT, 10) || 3000;
+var compiler;
+var handleCompile;
+
+// You can safely remove this after ejecting.
+// We only use this block for testing of Create React App itself:
+var isSmokeTest = process.argv.some(arg => arg.indexOf('--smoke-test') > -1);
+if (isSmokeTest) {
+  handleCompile = function (err, stats) {
+    if (err || stats.hasErrors() || stats.hasWarnings()) {
+      process.exit(1);
+    } else {
+      process.exit(0);
+    }
+  };
+}
+
+function setupCompiler(host, port, protocol) {
+  // "Compiler" is a low-level interface to Webpack.
+  // It lets us listen to some events and provide our own custom messages.
+  compiler = webpack(config, handleCompile);
+
+  // "invalid" event fires when you have changed a file, and Webpack is
+  // recompiling a bundle. WebpackDevServer takes care to pause serving the
+  // bundle, so if you refresh, it'll wait instead of serving the old one.
+  // "invalid" is short for "bundle invalidated", it doesn't imply any errors.
+  compiler.plugin('invalid', function() {
+    if (isInteractive) {
+      clearConsole();
+    }
+    console.log('Compiling...');
+  });
+
+  var isFirstCompile = true;
+
+  // "done" event fires when Webpack has finished recompiling the bundle.
+  // Whether or not you have warnings or errors, you will get this event.
+  compiler.plugin('done', function(stats) {
+    if (isInteractive) {
+      clearConsole();
+    }
+
+    // We have switched off the default Webpack output in WebpackDevServer
+    // options so we are going to "massage" the warnings and errors and present
+    // them in a readable focused way.
+    var messages = formatWebpackMessages(stats.toJson({}, true));
+    var isSuccessful = !messages.errors.length && !messages.warnings.length;
+    var showInstructions = isSuccessful && (isInteractive || isFirstCompile);
+
+    if (isSuccessful) {
+      console.log(chalk.green('Compiled successfully!'));
+    }
+
+    if (showInstructions) {
+      console.log();
+      console.log('The app is running at:');
+      console.log();
+      console.log('  ' + chalk.cyan(protocol + '://' + host + ':' + port + '/'));
+      console.log();
+      console.log('Note that the development build is not optimized.');
+      console.log('To create a production build, use ' + chalk.cyan(cli + ' run build') + '.');
+      console.log();
+      isFirstCompile = false;
+    }
+
+    // If errors exist, only show errors.
+    if (messages.errors.length) {
+      console.log(chalk.red('Failed to compile.'));
+      console.log();
+      messages.errors.forEach(message => {
+        console.log(message);
+        console.log();
+      });
+      return;
+    }
+
+    // Show warnings if no errors were found.
+    if (messages.warnings.length) {
+      console.log(chalk.yellow('Compiled with warnings.'));
+      console.log();
+      messages.warnings.forEach(message => {
+        console.log(message);
+        console.log();
+      });
+      // Teach some ESLint tricks.
+      console.log('You may use special comments to disable some warnings.');
+      console.log('Use ' + chalk.yellow('// eslint-disable-next-line') + ' to ignore the next line.');
+      console.log('Use ' + chalk.yellow('/* eslint-disable */') + ' to ignore all warnings in a file.');
+    }
+  });
+}
+
+// We need to provide a custom onError function for httpProxyMiddleware.
+// It allows us to log custom error messages on the console.
+function onProxyError(proxy) {
+  return function(err, req, res){
+    var host = req.headers && req.headers.host;
+    console.log(
+      chalk.red('Proxy error:') + ' Could not proxy request ' + chalk.cyan(req.url) +
+      ' from ' + chalk.cyan(host) + ' to ' + chalk.cyan(proxy) + '.'
+    );
+    console.log(
+      'See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (' +
+      chalk.cyan(err.code) + ').'
+    );
+    console.log();
+
+    // And immediately send the proper error response to the client.
+    // Otherwise, the request will eventually timeout with ERR_EMPTY_RESPONSE on the client side.
+    if (res.writeHead && !res.headersSent) {
+        res.writeHead(500);
+    }
+    res.end('Proxy error: Could not proxy request ' + req.url + ' from ' +
+      host + ' to ' + proxy + ' (' + err.code + ').'
+    );
+  }
+}
+
+function addMiddleware(devServer) {
+  // `proxy` lets you to specify a fallback server during development.
+  // Every unrecognized request will be forwarded to it.
+  var proxy = require(paths.appPackageJson).proxy;
+  devServer.use(historyApiFallback({
+    // Paths with dots should still use the history fallback.
+    // See https://github.com/facebookincubator/create-react-app/issues/387.
+    disableDotRule: true,
+    // For single page apps, we generally want to fallback to /index.html.
+    // However we also want to respect `proxy` for API calls.
+    // So if `proxy` is specified, we need to decide which fallback to use.
+    // We use a heuristic: if request `accept`s text/html, we pick /index.html.
+    // Modern browsers include text/html into `accept` header when navigating.
+    // However API calls like `fetch()` won’t generally accept text/html.
+    // If this heuristic doesn’t work well for you, don’t use `proxy`.
+    htmlAcceptHeaders: proxy ?
+      ['text/html'] :
+      ['text/html', '*/*']
+  }));
+  if (proxy) {
+    if (typeof proxy !== 'string') {
+      console.log(chalk.red('When specified, "proxy" in package.json must be a string.'));
+      console.log(chalk.red('Instead, the type of "proxy" was "' + typeof proxy + '".'));
+      console.log(chalk.red('Either remove "proxy" from package.json, or make it a string.'));
+      process.exit(1);
+    }
+
+    // Otherwise, if proxy is specified, we will let it handle any request.
+    // There are a few exceptions which we won't send to the proxy:
+    // - /index.html (served as HTML5 history API fallback)
+    // - /*.hot-update.json (WebpackDevServer uses this too for hot reloading)
+    // - /sockjs-node/* (WebpackDevServer uses this for hot reloading)
+    // Tip: use https://jex.im/regulex/ to visualize the regex
+    var mayProxy = /^(?!\/(index\.html$|.*\.hot-update\.json$|sockjs-node\/)).*$/;
+
+    // Pass the scope regex both to Express and to the middleware for proxying
+    // of both HTTP and WebSockets to work without false positives.
+    var hpm = httpProxyMiddleware(pathname => mayProxy.test(pathname), {
+      target: proxy,
+      logLevel: 'silent',
+      onProxyReq: function(proxyReq) {
+        // Browers may send Origin headers even with same-origin
+        // requests. To prevent CORS issues, we have to change
+        // the Origin to match the target URL.
+        if (proxyReq.getHeader('origin')) {
+          proxyReq.setHeader('origin', proxy);
+        }
+      },
+      onError: onProxyError(proxy),
+      secure: false,
+      changeOrigin: true,
+      ws: true,
+      xfwd: true
+    });
+    devServer.use(mayProxy, hpm);
+
+    // Listen for the websocket 'upgrade' event and upgrade the connection.
+    // If this is not done, httpProxyMiddleware will not try to upgrade until
+    // an initial plain HTTP request is made.
+    devServer.listeningApp.on('upgrade', hpm.upgrade);
+  }
+
+  // Finally, by now we have certainly resolved the URL.
+  // It may be /index.html, so let the dev server try serving it again.
+  devServer.use(devServer.middleware);
+}
+
+function runDevServer(host, port, protocol) {
+  var devServer = new WebpackDevServer(compiler, {
+    // Enable gzip compression of generated files.
+    compress: true,
+    // Silence WebpackDevServer's own logs since they're generally not useful.
+    // It will still show compile warnings and errors with this setting.
+    clientLogLevel: 'none',
+    // By default WebpackDevServer serves physical files from current directory
+    // in addition to all the virtual build products that it serves from memory.
+    // This is confusing because those files won’t automatically be available in
+    // production build folder unless we copy them. However, copying the whole
+    // project directory is dangerous because we may expose sensitive files.
+    // Instead, we establish a convention that only files in `public` directory
+    // get served. Our build script will copy `public` into the `build` folder.
+    // In `index.html`, you can get URL of `public` folder with %PUBLIC_URL%:
+    // <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
+    // In JavaScript code, you can access it with `process.env.PUBLIC_URL`.
+    // Note that we only recommend to use `public` folder as an escape hatch
+    // for files like `favicon.ico`, `manifest.json`, and libraries that are
+    // for some reason broken when imported through Webpack. If you just want to
+    // use an image, put it in `src` and `import` it from JavaScript instead.
+    contentBase: paths.appPublic,
+    // Enable hot reloading server. It will provide /sockjs-node/ endpoint
+    // for the WebpackDevServer client so it can learn when the files were
+    // updated. The WebpackDevServer client is included as an entry point
+    // in the Webpack development configuration. Note that only changes
+    // to CSS are currently hot reloaded. JS changes will refresh the browser.
+    hot: true,
+    // It is important to tell WebpackDevServer to use the same "root" path
+    // as we specified in the config. In development, we always serve from /.
+    publicPath: config.output.publicPath,
+    // WebpackDevServer is noisy by default so we emit custom message instead
+    // by listening to the compiler events with `compiler.plugin` calls above.
+    quiet: true,
+    // Reportedly, this avoids CPU overload on some systems.
+    // https://github.com/facebookincubator/create-react-app/issues/293
+    watchOptions: {
+      ignored: /node_modules/
+    },
+    // Enable HTTPS if the HTTPS environment variable is set to 'true'
+    https: protocol === "https",
+    host: host
+  });
+
+  // Our custom middleware proxies requests to /index.html or a remote API.
+  addMiddleware(devServer);
+
+  // Launch WebpackDevServer.
+  devServer.listen(port, err => {
+    if (err) {
+      return console.log(err);
+    }
+
+    if (isInteractive) {
+      clearConsole();
+    }
+    console.log(chalk.cyan('Starting the development server...'));
+    console.log();
+
+    openBrowser(protocol + '://' + host + ':' + port + '/');
+  });
+}
+
+function run(port) {
+  var protocol = process.env.HTTPS === 'true' ? "https" : "http";
+  var host = process.env.HOST || 'localhost';
+  setupCompiler(host, port, protocol);
+  runDevServer(host, port, protocol);
+}
+
+// We attempt to use the default port but if it is busy, we offer the user to
+// run on a different port. `detect()` Promise resolves to the next free port.
+detect(DEFAULT_PORT).then(port => {
+  if (port === DEFAULT_PORT) {
+    run(port);
+    return;
+  }
+
+  if (isInteractive) {
+    clearConsole();
+    var existingProcess = getProcessForPort(DEFAULT_PORT);
+    var question =
+      chalk.yellow('Something is already running on port ' + DEFAULT_PORT + '.' +
+        ((existingProcess) ? ' Probably:\n  ' + existingProcess : '')) +
+        '\n\nWould you like to run the app on another port instead?';
+
+    prompt(question, true).then(shouldChangePort => {
+      if (shouldChangePort) {
+        run(port);
+      }
+    });
+  } else {
+    console.log(chalk.red('Something is already running on port ' + DEFAULT_PORT + '.'));
+  }
+});
diff --git a/scripts/test.js b/scripts/test.js
new file mode 100644
index 0000000..1995442
--- /dev/null
+++ b/scripts/test.js
@@ -0,0 +1,21 @@
+'use strict';
+
+process.env.NODE_ENV = 'test';
+process.env.PUBLIC_URL = '';
+
+// Load environment variables from .env file. Suppress warnings using silent
+// if this file is missing. dotenv will never modify any environment variables
+// that have already been set.
+// https://github.com/motdotla/dotenv
+require('dotenv').config({silent: true});
+
+const jest = require('jest');
+const argv = process.argv.slice(2);
+
+// Watch unless on CI or in coverage mode
+if (!process.env.CI && argv.indexOf('--coverage') < 0) {
+  argv.push('--watch');
+}
+
+
+jest.run(argv);
diff --git a/src-react/App.css b/src-react/App.css
new file mode 100644
index 0000000..15adfdc
--- /dev/null
+++ b/src-react/App.css
@@ -0,0 +1,24 @@
+.App {
+  text-align: center;
+}
+
+.App-logo {
+  animation: App-logo-spin infinite 20s linear;
+  height: 80px;
+}
+
+.App-header {
+  background-color: #222;
+  height: 150px;
+  padding: 20px;
+  color: white;
+}
+
+.App-intro {
+  font-size: large;
+}
+
+@keyframes App-logo-spin {
+  from { transform: rotate(0deg); }
+  to { transform: rotate(360deg); }
+}
diff --git a/src-react/App.js b/src-react/App.js
new file mode 100644
index 0000000..d7d52a7
--- /dev/null
+++ b/src-react/App.js
@@ -0,0 +1,21 @@
+import React, { Component } from 'react';
+import logo from './logo.svg';
+import './App.css';
+
+class App extends Component {
+  render() {
+    return (
+      <div className="App">
+        <div className="App-header">
+          <img src={logo} className="App-logo" alt="logo" />
+          <h2>Welcome to React</h2>
+        </div>
+        <p className="App-intro">
+          To get started, edit <code>src/App.js</code> and save to reload.
+        </p>
+      </div>
+    );
+  }
+}
+
+export default App;
diff --git a/src-react/App.test.js b/src-react/App.test.js
new file mode 100644
index 0000000..b84af98
--- /dev/null
+++ b/src-react/App.test.js
@@ -0,0 +1,8 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import App from './App';
+
+it('renders without crashing', () => {
+  const div = document.createElement('div');
+  ReactDOM.render(<App />, div);
+});
diff --git a/src-react/index.css b/src-react/index.css
new file mode 100644
index 0000000..b4cc725
--- /dev/null
+++ b/src-react/index.css
@@ -0,0 +1,5 @@
+body {
+  margin: 0;
+  padding: 0;
+  font-family: sans-serif;
+}
diff --git a/src-react/index.js b/src-react/index.js
new file mode 100644
index 0000000..54c5ef1
--- /dev/null
+++ b/src-react/index.js
@@ -0,0 +1,9 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import App from './App';
+import './index.css';
+
+ReactDOM.render(
+  <App />,
+  document.getElementById('root')
+);
diff --git a/src-react/logo.svg b/src-react/logo.svg
new file mode 100644
index 0000000..6b60c10
--- /dev/null
+++ b/src-react/logo.svg
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 841.9 595.3">
+    <g fill="#61DAFB">
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