feat: add new webpack config

config/env.js

@@ -1,4 +1,4 @@
-/* eslint-disable */
+'use strict';
 
 const fs = require('fs');
 const path = require('path');
@@ -7,82 +7,86 @@ const paths = require('./paths');
 // Make sure that including paths.js after env.js will read .env variables.
 delete require.cache[require.resolve('./paths')];
 
-const { NODE_ENV = 'development' } = process.env;
+const NODE_ENV = 'production';
 if (!NODE_ENV) {
-  throw new Error('The NODE_ENV environment variable is required but was not specified.');
+	throw new Error('The NODE_ENV environment variable is required but was not specified.');
 }
 
 // https://github.com/bkeepers/dotenv#what-other-env-files-can-i-use
 const dotenvFiles = [
-  `${paths.dotenv}.${NODE_ENV}.local`,
-  `${paths.dotenv}.${NODE_ENV}`,
-  // Don't include `.env.local` for `test` environment
-  // since normally you expect tests to produce the same
-  // results for everyone
-  NODE_ENV !== 'test' && `${paths.dotenv}.local`,
-  paths.dotenv,
+	`${paths.dotenv}.${NODE_ENV}.local`,
+	`${paths.dotenv}.${NODE_ENV}`,
+	// Don't include `.env.local` for `test` environment
+	// since normally you expect tests to produce the same
+	// results for everyone
+	NODE_ENV !== 'test' && `${paths.dotenv}.local`,
+	paths.dotenv,
 ].filter(Boolean);
 
 // Load environment variables from .env* files. Suppress warnings using silent
 // if this file is missing. dotenv will never modify any environment variables
-// that have already been set.
+// that have already been set.  Variable expansion is supported in .env files.
 // https://github.com/motdotla/dotenv
+// https://github.com/motdotla/dotenv-expand
 dotenvFiles.forEach(dotenvFile => {
-  if (fs.existsSync(dotenvFile)) {
-    require('dotenv').config({
-      path: dotenvFile,
-    });
-  }
+	if (fs.existsSync(dotenvFile)) {
+		require('dotenv-expand')(
+			require('dotenv').config({
+				path: dotenvFile,
+			}),
+		);
+	}
 });
 
 // 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.
+// https://github.com/facebook/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
 // 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
+// https://github.com/facebook/create-react-app/issues/1023#issuecomment-265344421
 // We also resolve them to make sure all tools using them work consistently.
-// const appDirectory = fs.realpathSync(process.cwd());
-// process.env.NODE_PATH = (process.env.NODE_PATH || '')
-//   .split(path.delimiter)
-//   .filter(folder => folder && !path.isAbsolute(folder))
-//   .map(folder => path.resolve(appDirectory, folder))
-//   .join(path.delimiter);
+const appDirectory = fs.realpathSync(process.cwd());
+process.env.NODE_PATH = (process.env.NODE_PATH || '')
+	.split(path.delimiter)
+	.filter(folder => folder && !path.isAbsolute(folder))
+	.map(folder => path.resolve(appDirectory, folder))
+	.join(path.delimiter);
 
 // Grab NODE_ENV and REACT_APP_* environment variables and prepare them to be
 // injected into the application via DefinePlugin in Webpack configuration.
 const REACT_APP = /^REACT_APP_/i;
 
 function getClientEnvironment(publicUrl) {
-  const 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
-  const stringified = {
-    'process.env': Object.keys(raw).reduce((env, key) => {
-      env[key] = JSON.stringify(raw[key]);
-      return env;
-    }, {}),
-  };
+	const 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',
+				ASCVD_ENV: process.env.ASCVD_ENV || 'production',
+				// 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
+	const stringified = {
+		'process.env': Object.keys(raw).reduce((env, key) => {
+			env[key] = JSON.stringify(raw[key]);
+			return env;
+		}, {}),
+	};
 
-  return { raw, stringified };
+	return { raw, stringified };
 }
 
 module.exports = getClientEnvironment;

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/en/webpack.html
+
+module.exports = {
+  process() {
+    return 'module.exports = {};';
+  },
+  getCacheKey() {
+    // The output is always the same.
+    return 'cssTransform';
+  },
+};

config/jest/fileTransform.js

@@ -0,0 +1,40 @@
+'use strict';
+
+const path = require('path');
+const camelcase = require('camelcase');
+
+// This is a custom Jest transformer turning file imports into filenames.
+// http://facebook.github.io/jest/docs/en/webpack.html
+
+module.exports = {
+  process(src, filename) {
+    const assetFilename = JSON.stringify(path.basename(filename));
+
+    if (filename.match(/\.svg$/)) {
+      // Based on how SVGR generates a component name:
+      // https://github.com/smooth-code/svgr/blob/01b194cf967347d43d4cbe6b434404731b87cf27/packages/core/src/state.js#L6
+      const pascalCaseFileName = camelcase(path.parse(filename).name, {
+        pascalCase: true,
+      });
+      const componentName = `Svg${pascalCaseFileName}`;
+      return `const React = require('react');
+      module.exports = {
+        __esModule: true,
+        default: ${assetFilename},
+        ReactComponent: React.forwardRef(function ${componentName}(props, ref) {
+          return {
+            $$typeof: Symbol.for('react.element'),
+            type: 'svg',
+            ref: ref,
+            key: null,
+            props: Object.assign({}, props, {
+              children: ${assetFilename}
+            })
+          };
+        }),
+      };`;
+    }
+
+    return `module.exports = ${assetFilename};`;
+  },
+};

config/modules.js

@@ -0,0 +1,88 @@
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+const paths = require('./paths');
+const chalk = require('react-dev-utils/chalk');
+const resolve = require('resolve');
+
+/**
+ * Get the baseUrl of a compilerOptions object.
+ *
+ * @param {Object} options
+ */
+function getAdditionalModulePaths(options = {}) {
+  const baseUrl = options.baseUrl;
+
+  // We need to explicitly check for null and undefined (and not a falsy value) because
+  // TypeScript treats an empty string as `.`.
+  if (baseUrl == null) {
+    // If there's no baseUrl set we respect NODE_PATH
+    // Note that NODE_PATH is deprecated and will be removed
+    // in the next major release of create-react-app.
+
+    const nodePath = process.env.NODE_PATH || '';
+    return nodePath.split(path.delimiter).filter(Boolean);
+  }
+
+  const baseUrlResolved = path.resolve(paths.appPath, baseUrl);
+
+  // We don't need to do anything if `baseUrl` is set to `node_modules`. This is
+  // the default behavior.
+  if (path.relative(paths.appNodeModules, baseUrlResolved) === '') {
+    return null;
+  }
+
+  // Allow the user set the `baseUrl` to `appSrc`.
+  if (path.relative(paths.appSrc, baseUrlResolved) === '') {
+    return [paths.appSrc];
+  }
+
+  // Otherwise, throw an error.
+  throw new Error(
+    chalk.red.bold(
+      "Your project's `baseUrl` can only be set to `src` or `node_modules`." +
+        ' Create React App does not support other values at this time.'
+    )
+  );
+}
+
+function getModules() {
+  // Check if TypeScript is setup
+  const hasTsConfig = fs.existsSync(paths.appTsConfig);
+  const hasJsConfig = fs.existsSync(paths.appJsConfig);
+
+  if (hasTsConfig && hasJsConfig) {
+    throw new Error(
+      'You have both a tsconfig.json and a jsconfig.json. If you are using TypeScript please remove your jsconfig.json file.'
+    );
+  }
+
+  let config;
+
+  // If there's a tsconfig.json we assume it's a
+  // TypeScript project and set up the config
+  // based on tsconfig.json
+  if (hasTsConfig) {
+    const ts = require(resolve.sync('typescript', {
+      basedir: paths.appNodeModules,
+    }));
+    config = ts.readConfigFile(paths.appTsConfig, ts.sys.readFile).config;
+    // Otherwise we'll check if there is jsconfig.json
+    // for non TS projects.
+  } else if (hasJsConfig) {
+    config = require(paths.appJsConfig);
+  }
+
+  config = config || {};
+  const options = config.compilerOptions || {};
+
+  const additionalModulePaths = getAdditionalModulePaths(options);
+
+  return {
+    additionalModulePaths: additionalModulePaths,
+    hasTsConfig,
+  };
+}
+
+module.exports = getModules();

config/paths.js

@@ -1,14 +1,59 @@
-const fs = require('fs');
+'use strict';
+
 const path = require('path');
+const fs = require('fs');
+const url = require('url');
 
+// Make sure any symlinks in the project folder are resolved:
+// https://github.com/facebook/create-react-app/issues/637
 const appDirectory = fs.realpathSync(process.cwd());
-const resolvePath = relativePath => path.resolve(appDirectory, relativePath);
+const resolveApp = relativePath => path.resolve(appDirectory, relativePath);
 
-const moduleFileExtensions = ['js', 'json', 'jsx', 'mjs'];
+const envPublicUrl = process.env.PUBLIC_URL;
+
+function ensureSlash(inputPath, needsSlash) {
+  const hasSlash = inputPath.endsWith('/');
+  if (hasSlash && !needsSlash) {
+    return inputPath.substr(0, inputPath.length - 1);
+  } else if (!hasSlash && needsSlash) {
+    return `${inputPath}/`;
+  } else {
+    return inputPath;
+  }
+}
 
+const getPublicUrl = appPackageJson => 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) {
+  const publicUrl = getPublicUrl(appPackageJson);
+  const servedUrl = envPublicUrl || (publicUrl ? url.parse(publicUrl).pathname : '/');
+  return ensureSlash(servedUrl, true);
+}
+
+const moduleFileExtensions = [
+  'web.mjs',
+  'mjs',
+  'web.js',
+  'js',
+  'web.ts',
+  'ts',
+  'web.tsx',
+  'tsx',
+  'json',
+  'web.jsx',
+  'jsx',
+];
+
+// Resolve file paths in the same order as webpack
 const resolveModule = (resolveFn, filePath) => {
-  const extension = moduleFileExtensions.find(ext =>
-    fs.existsSync(resolveFn(`${filePath}.${ext}`)),
+  const extension = moduleFileExtensions.find(extension =>
+    fs.existsSync(resolveFn(`${filePath}.${extension}`)),
   );
 
   if (extension) {
@@ -18,19 +63,24 @@ const resolveModule = (resolveFn, filePath) => {
   return resolveFn(`${filePath}.js`);
 };
 
+// config after eject: we're in ./config/
 module.exports = {
-  appPath: resolvePath('.'),
-  appAssets: resolvePath('assets'),
-  appBuild: resolvePath('build'),
-  appHtml: resolvePath('assets/index.html'),
-  appIndexJs: resolveModule(resolvePath, 'src/index'),
-  appPolyfills: resolvePath('src/polyfills'),
-  appSrc: resolvePath('src'),
-  config: resolvePath('config'),
-  dotenv: resolvePath('.env'),
-  launchHtml: resolvePath('assets/launch.html'),
-  nodeModules: resolvePath('node_modules'),
-  packageJson: resolvePath('package.json'),
-  publicPath: resolvePath('/'),
-  test: resolvePath('test'),
+  dotenv: resolveApp('.env'),
+  appPath: resolveApp('.'),
+  appBuild: resolveApp('build') || process.env.BUILD_PATH,
+  appPublic: resolveApp('public'),
+  appHtml: resolveApp('public/index.html'),
+  appIndexJs: resolveModule(resolveApp, 'src/index'),
+  appPackageJson: resolveApp('package.json'),
+  appSrc: resolveApp('src'),
+  appTsConfig: resolveApp('tsconfig.json'),
+  appJsConfig: resolveApp('jsconfig.json'),
+  yarnLockFile: resolveApp('yarn.lock'),
+  testsSetup: resolveModule(resolveApp, 'src/setupTests'),
+  proxySetup: resolveApp('src/setupProxy.js'),
+  appNodeModules: resolveApp('node_modules'),
+  publicUrl: getPublicUrl(resolveApp('package.json')),
+  servedPath: getServedPath(resolveApp('package.json')),
 };
+
+module.exports.moduleFileExtensions = moduleFileExtensions;