STRWEB-69: Add support for transpilation

consts.js

@@ -0,0 +1,32 @@
+// The list of the default externals
+// https://webpack.js.org/configuration/externals/
+const defaultExternals = [
+  '@folio/stripes',
+  '@folio/stripes-components',
+  '@folio/stripes-connect',
+  '@folio/stripes-core',
+  '@folio/stripes-util',
+  '@folio/stripes-form',
+  '@folio/stripes-final-form',
+  '@folio/stripes-logger',
+  '@folio/stripes-smart-components',
+  'final-form',
+  'final-form-arrays',
+  'moment',
+  'moment-timezone',
+  'react',
+  'react-dom',
+  'react-final-form',
+  'react-final-form-arrays',
+  'react-final-form-listeners',
+  'react-intl',
+  'react-query',
+  'react-redux',
+  'react-router',
+  'redux',
+  'stripes-config',
+];
+
+module.exports = {
+  defaultExternals,
+};

package.json

@@ -76,6 +76,7 @@
     "util-ex": "^0.3.15",
     "webpack-dev-middleware": "^5.2.1",
     "webpack-hot-middleware": "^2.25.1",
+    "webpack-remove-empty-scripts": "^1.0.1",
     "webpack-virtual-modules": "^0.4.3"
   },
   "devDependencies": {
@@ -84,6 +85,10 @@
     "mocha-junit-reporter": "^1.17.0",
     "sinon": "^7.3.2",
     "sinon-chai": "^3.3.0",
+    "source-map-loader": "^4.0.0",
+    "speed-measure-webpack-plugin": "^1.5.0",
+    "terser-webpack-plugin": "^5.3.5",
+    "url-loader": "^4.1.1",
     "webpack": "^5.58.1"
   },
   "peerDependencies": {

postcss.config.js

@@ -0,0 +1,39 @@
+const path = require('path');
+const postCssImport = require('postcss-import');
+const autoprefixer = require('autoprefixer');
+const postCssCustomProperties = require('postcss-custom-properties');
+const postCssCalc = require('postcss-calc');
+const postCssNesting = require('postcss-nesting');
+const postCssCustomMedia = require('postcss-custom-media');
+const postCssMediaMinMax = require('postcss-media-minmax');
+const postCssColorFunction = require('postcss-color-function');
+
+const { generateStripesAlias, tryResolve } = require('./webpack/module-paths');
+
+const locateCssVariables = () => {
+  const variables = 'lib/variables.css';
+  const localPath = path.join(path.resolve(), variables);
+
+  // check if variables are present locally (in cases when stripes-components is
+  // being built directly) if not look for them via stripes aliases
+  return tryResolve(localPath) ?
+    localPath :
+    path.join(generateStripesAlias('@folio/stripes-components'), variables);
+};
+
+module.exports = {
+  plugins: [
+    postCssImport(),
+    autoprefixer(),
+    postCssCustomProperties({
+      preserve: false,
+      importFrom: [locateCssVariables()],
+      disableDeprecationNotice: true
+    }),
+    postCssCalc(),
+    postCssNesting(),
+    postCssCustomMedia(),
+    postCssMediaMinMax(),
+    postCssColorFunction(),
+  ],
+};

test/webpack/babel-loader-rule.spec.js

@@ -1,35 +1,35 @@
 const expect = require('chai').expect;
 const babelLoaderRule = require('../../webpack/babel-loader-rule');
 
-describe('The babel-loader-rule', function () {
+describe.only('The babel-loader-rule', function () {
   describe('test condition function', function () {
     beforeEach(function () {
-      this.sut = babelLoaderRule({ modules: {} }).test;
+      this.sut = babelLoaderRule(['@folio/inventory']);
     });
 
     it('selects files for @folio scoped node_modules', function () {
-      const fileName = '/projects/folio/folio-testing-platform/node_modules/@folio/inventory/index.js';
-      const result = this.sut(fileName);
+      const fileName = '/projects/folio/folio-testing-platform/node_modules/stripes-config';
+      const result = this.sut.include(fileName);
       expect(result).to.equal(true);
     });
 
     it('does not select node_modules files outside of @folio scope', function () {
       const fileName = '/projects/folio/folio-testing-platform/node_modules/lodash/lodash.js';
-      const result = this.sut(fileName);
+      const result = this.sut.include(fileName);
       expect(result).to.equal(false);
     });
 
     it('only selects .js file extensions', function () {
       const fileName = '/project/folio/folio-testing-platform/node_modules/@folio/search/package.json';
-      const result = this.sut(fileName);
-      expect(result).to.equal(false);
+      const result = fileName.match(this.sut.test);
+      expect(result).to.equal(null);
     });
 
     it('selects files outside of both @folio scope and node_modules', function () {
       // This test case would hold true for yarn-linked modules, @folio scoped or otherwise
       // Therefore this implies that we are not yarn-linking any non-@folio scoped modules
       const fileName = '/projects/folio/stripes-core/src/configureLogger.js';
-      const result = this.sut(fileName);
+      const result = this.sut.include(fileName);
       expect(result).to.equal(true);
     });
   });

webpack.config.base.js

@@ -3,9 +3,13 @@ const fs = require('fs');
 const webpack = require('webpack');
 const path = require('path');
 const HtmlWebpackPlugin = require('html-webpack-plugin');
+const MiniCssExtractPlugin = require('mini-css-extract-plugin');
+const RemoveEmptyScriptsPlugin = require('webpack-remove-empty-scripts');
+
 const { generateStripesAlias } = require('./webpack/module-paths');
-const babelLoaderRule = require('./webpack/babel-loader-rule');
 const typescriptLoaderRule = require('./webpack/typescript-loader-rule');
+const { isProduction } = require('./webpack/utils');
+const { getTranspiledCssPaths } = require('./webpack/module-paths');
 
 // React doesn't like being included multiple times as can happen when using
 // yarn link. Here we find a more specific path to it by first looking in
@@ -36,9 +40,9 @@ const specificReact = generateStripesAlias('react');
 // Since we are now on the webpack 5 we can make use of dependOn (https://webpack.js.org/configuration/entry-context/#dependencies)
 // in order to create a dependency between stripes config and other chunks:
 
-module.exports = {
+const baseConfig = {
   entry: {
-    css: '@folio/stripes-components/lib/global.css',
+    css: ['@folio/stripes-components/lib/global.css'],
     stripesConfig: {
       import: 'stripes-config.js'
     },
@@ -60,6 +64,7 @@ module.exports = {
       template: fs.existsSync('index.html') ? 'index.html' : `${__dirname}/index.html`,
     }),
     new webpack.EnvironmentPlugin(['NODE_ENV']),
+    new RemoveEmptyScriptsPlugin(),
   ],
   module: {
     rules: [
@@ -97,6 +102,78 @@ module.exports = {
           loader: 'csv-loader',
         }],
       },
+      {
+        test: /\.js.map$/,
+        enforce: 'pre',
+        use: ['source-map-loader'],
+      },
+      {
+        test: /\.svg$/,
+        use: [{
+          loader: 'url-loader',
+          options: {
+            esModule: false,
+          },
+        }]
+      },
     ],
   },
 };
+
+
+const buildConfig = (modulePaths) => {
+  const transpiledCssPaths = getTranspiledCssPaths(modulePaths);
+  const cssDistPathRegex = /dist[\/\\]style\.css/;
+
+  // already transpiled css files
+  if (transpiledCssPaths.length) {
+    transpiledCssPaths.forEach(cssPath => {
+      baseConfig.entry.css.push(cssPath);
+    });
+
+    baseConfig.module.rules.push({
+      test: /\.css$/,
+      include: [cssDistPathRegex],
+      use: [
+        { loader: isProduction ? MiniCssExtractPlugin.loader : 'style-loader' },
+        {
+          loader: 'css-loader',
+          options: {
+            modules: false
+          },
+        },
+      ],
+    });
+  }
+
+  // css files not transpiled yet
+  baseConfig.module.rules.push({
+    test: /\.css$/,
+    exclude: [cssDistPathRegex],
+    use: [
+      { loader: isProduction ? MiniCssExtractPlugin.loader : 'style-loader'  },
+      {
+        loader: 'css-loader',
+        options: {
+          modules: {
+            localIdentName: '[local]---[hash:base64:5]',
+          },
+          importLoaders: 1,
+        },
+      },
+      {
+        loader: 'postcss-loader',
+        options: {
+          postcssOptions: {
+            config: path.resolve(__dirname, 'postcss.config.js'),
+          },
+          sourceMap: true,
+        },
+      },
+    ]
+  });
+
+  return baseConfig;
+}
+
+module.exports = buildConfig;

webpack.config.cli.dev.js

@@ -1,43 +1,27 @@
 // Top level Webpack configuration for running a development environment
 // from the command line via devServer.js
 
-const path = require('path');
 const webpack = require('webpack');
-const postCssImport = require('postcss-import');
-const autoprefixer = require('autoprefixer');
-const postCssCustomProperties = require('postcss-custom-properties');
-const postCssCalc = require('postcss-calc');
-const postCssNesting = require('postcss-nesting');
-const postCssCustomMedia = require('postcss-custom-media');
-const postCssMediaMinMax = require('postcss-media-minmax');
-const postCssColorFunction = require('postcss-color-function');
 const ReactRefreshWebpackPlugin = require('@pmmmwh/react-refresh-webpack-plugin');
-const babelLoaderRule = require('./webpack/babel-loader-rule');
 
-const { generateStripesAlias, tryResolve } = require('./webpack/module-paths');
+const { getModulesPaths, getStripesModulesPaths } = require('./webpack/module-paths');
+const { tryResolve } = require('./webpack/module-paths');
+const babelLoaderRule = require('./webpack/babel-loader-rule');
 const utils = require('./webpack/utils');
-
-const base = require('./webpack.config.base');
+const buildBaseConfig = require('./webpack.config.base');
 const cli = require('./webpack.config.cli');
 
 
-const buildConfig = (stripesConfig) => {
-
-  const locateCssVariables = () => {
-    const variables = 'lib/variables.css';
-    const localPath = path.join(path.resolve(), variables);
-
-    // check if variables are present locally (in cases when stripes-components is
-    // being built directly) if not look for them via stripes aliases
-    return tryResolve(localPath) ?
-      localPath :
-      path.join(generateStripesAlias('@folio/stripes-components'), variables);
-  };
+const useBrowserMocha = () => {
+  return tryResolve('mocha/mocha-es2018.js') ? 'mocha/mocha-es2018.js' : 'mocha';
+};
 
-  const useBrowserMocha = () => {
-    return tryResolve('mocha/mocha-es2018.js') ? 'mocha/mocha-es2018.js' : 'mocha';
-  };
+const buildConfig = (stripesConfig) => {
+  const modulePaths = getModulesPaths(stripesConfig.modules);
+  const stripesModulePaths = getStripesModulesPaths();
+  const allModulePaths = [...stripesModulePaths, ...modulePaths];
 
+  const base = buildBaseConfig(allModulePaths);
   const devConfig = Object.assign({}, base, cli, {
     devtool: 'inline-source-map',
     mode: 'development',
@@ -56,7 +40,7 @@ const buildConfig = (stripesConfig) => {
   devConfig.output.filename = 'bundle.js';
   devConfig.entry = [
     'webpack-hot-middleware/client',
-    '@folio/stripes-components/lib/global.css',
+    ...devConfig.entry.css,
     '@folio/stripes-ui',
   ];
 
@@ -78,48 +62,7 @@ const buildConfig = (stripesConfig) => {
   devConfig.resolve.alias.process = 'process/browser.js';
   devConfig.resolve.alias['mocha'] = useBrowserMocha();
 
-  devConfig.module.rules.push(babelLoaderRule(stripesConfig));
-
-  devConfig.module.rules.push({
-    test: /\.css$/,
-    use: [
-      {
-        loader: 'style-loader'
-      },
-      {
-        loader: 'css-loader',
-        options: {
-          modules: {
-            localIdentName: '[local]---[hash:base64:5]',
-          },
-          sourceMap: true,
-          importLoaders: 1,
-        },
-      },
-      {
-        loader: 'postcss-loader',
-        options: {
-          postcssOptions: {
-            plugins: [
-              postCssImport(),
-              autoprefixer(),
-              postCssCustomProperties({
-                preserve: false,
-                importFrom: [locateCssVariables()],
-                disableDeprecationNotice: true
-              }),
-              postCssCalc(),
-              postCssNesting(),
-              postCssCustomMedia(),
-              postCssMediaMinMax(),
-              postCssColorFunction(),
-            ],
-          },
-          sourceMap: true,
-        },
-      },
-    ],
-  });
+  devConfig.module.rules.push(babelLoaderRule(allModulePaths));
 
   // add 'Buffer' global required for tests/reporting tools.
   devConfig.plugins.push(
@@ -135,18 +78,6 @@ const buildConfig = (stripesConfig) => {
     "util": require.resolve('util-ex'),
   };
 
-  devConfig.module.rules.push(
-    {
-      test: /\.svg$/,
-      use: [{
-        loader: 'file-loader?name=img/[path][name].[contenthash].[ext]',
-        options: {
-          esModule: false,
-        },
-      }]
-    },
-  );
-
   return devConfig;
 }
 

webpack.config.cli.js

@@ -9,5 +9,6 @@ module.exports = {
     filename: 'bundle.[name][contenthash].js',
     chunkFilename: 'chunk.[name][chunkhash].js',
     publicPath: '/',
+    clean: true
   },
 };