forgeplus-react/config/webpack.config.dev.js

"use strict";

const autoprefixer = require("autoprefixer");
const path = require("path");
const webpack = require("webpack");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const CaseSensitivePathsPlugin = require("case-sensitive-paths-webpack-plugin");
const InterpolateHtmlPlugin = require("react-dev-utils/InterpolateHtmlPlugin");
const WatchMissingNodeModulesPlugin = require("react-dev-utils/WatchMissingNodeModulesPlugin");
const ModuleScopePlugin = require("react-dev-utils/ModuleScopePlugin");
const MonacoWebpackPlugin = require("monaco-editor-webpack-plugin");

const getClientEnvironment = require("./env");

const paths = require("./paths");

const publicPath = "/";
const env = getClientEnvironment("/","development");

module.exports = {
  optimization: {
    splitChunks: {
      chunks: "async",
      // 大于30KB才单独分离成chunk
      minSize: 30000,
      maxAsyncRequests: 5,
      maxInitialRequests: 3,
      name: true,
      cacheGroups: {
        default: {
          priority: -20,
          reuseExistingChunk: true,
        },
        vendors: {
          name: "vendors",
          test: /[\\/]node_modules[\\/]/,
          priority: -10,
          chunks: "all",
        },
      },
    },
    runtimeChunk: true,
  },
  mode: "development",
  // 开启调试
  devtool: "source-map", // 开启调试
  // 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: [
    // We ship a few polyfills by default:
    require.resolve("./polyfills"),
    // Include an alternative client for WebpackDevServer. A client's job is to
    // connect to WebpackDevServer by a socket and get notified about changes.
    // When you save a file, the client will either apply hot updates (in case
    // 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"),
    // 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: {
    // Add /* filename */ comments to generated require()s in the output.
    pathinfo: true,
    globalObject: "this",
    // 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",
    // There are also additional JS chunk files if you use code splitting.
    chunkFilename: "static/js/[name].chunk.js",
    // This is the URL that app is served from. We use "/" in development.
    publicPath,
    // Point sourcemap entries to original disk location (format as URL on Windows)
    devtoolModuleFilenameTemplate: (info) =>
      path.resolve(info.absoluteResourcePath).replace(/\\/g, "/"),
  },
  externals: {
    "react": "React",
    "react-dom": "ReactDOM",
    "alex": "Alex",
  },
  resolve: {
    // This allows you to set a fallback for where Webpack should look for modules.
    // We placed these paths second because we want `node_modules` to "win"
    // if there are any conflicts. This matches Node resolution mechanism.
    // https://github.com/facebookincubator/create-react-app/issues/253
    modules: ["node_modules", paths.appNodeModules].concat(
      // It is guaranteed to exist because we tweak it in `env.js`
      process.env.NODE_PATH.split(path.delimiter).filter(Boolean)
    ),
    // 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
    // `web` extension prefixes have been added for better support
    // for React Native Web.
    extensions: [".web.js", ".mjs", ".js", ".json", ".web.jsx", ".jsx"],
    alias: {
      educoder: __dirname + "/../src/common/educoder.js",
      // 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",
    },
    plugins: [
      // Prevents users from importing files from outside of src/ (or node_modules/).
      // This often causes confusion because we only process files within src/ with babel.
      // To fix this, we prevent you from importing files out of src/ -- if you'd like to,
      // please link the files into your node_modules/ and let module-resolution kick in.
      // Make sure your source files are compiled, as they will not be processed in any way.
      new ModuleScopePlugin(paths.appSrc, [paths.appPackageJson]),
    ],
  },
  module: {
    strictExportPresence: true,
    rules: [
      {
        // "oneOf" will traverse all following loaders until one will
        // match the requirements. When no loader matches it will fall
        // back to the "file" loader at the end of the loader list.
        oneOf: [
          // "url" loader works like "file" loader except that it embeds assets
          // smaller than specified limit in bytes as data URLs to avoid requests.
          // A missing `test` is equivalent to a match.
          {
            test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
            loader: require.resolve("url-loader"),
            options: {
              limit: 10000,
              name: "static/media/[name].[hash:8].[ext]",
            },
          },
          // Process JS with Babel.
          {
            test: /\.(js|jsx|mjs)$/,
            include: paths.appSrc,
            exclude: /node_modules/,
            loader: require.resolve("babel-loader"),
            options: {
              // This is a feature of `babel-loader` for webpack (not Babel itself).
              // It enables caching results in ./node_modules/.cache/babel-loader/
              // directory for faster rebuilds.
              cacheDirectory: true,
              plugins: [
                [
                  "import",
                  {
                    libraryName: "antd",
                    libraryDirectory: "es",
                    style: true,
                  },
                ],
              ],
            },
          },
          // "postcss" loader applies autoprefixer to our CSS.
          // "css" loader resolves paths in CSS and adds assets as dependencies.
          // "style" loader turns CSS into JS modules that inject <style> tags.
          // In production, we use a plugin to extract that CSS to a file, but
          // in development "style" loader enables hot editing of CSS.
          {
            test: /\.css$/,
            use: [
              require.resolve("style-loader"),
              {
                loader: require.resolve("css-loader"),
                options: {
                  importLoaders: 1,
                },
              },
              {
                loader: require.resolve("postcss-loader"),
                options: {
                  // Necessary for external CSS imports to work
                  // https://github.com/facebookincubator/create-react-app/issues/2677
                  ident: "postcss",
                  plugins: () => [
                    require("postcss-flexbugs-fixes"),
                    autoprefixer({
                      browsers: [
                        ">1%",
                        "last 4 versions",
                        "Firefox ESR",
                        "not ie < 9", // React doesn't support IE8 anyway
                      ],
                      flexbox: "no-2009",
                    }),
                  ],
                },
              },
            ],
          },
          {
            test: /\.scss$/,
            use: [
              require.resolve("style-loader"),
              {
                loader: require.resolve("css-loader"),
                options: {
                  importLoaders: 1,
                },
              },
              {
                loader: require.resolve("sass-loader"),
              },
              {
                loader: 'sass-resources-loader',
                options: {
                  resources: ['src/global.scss']
                }
              }
            ],
          },
          {
            test: /\.less$/,
            use: [{
              loader: 'style-loader',
            }, {
              loader: 'css-loader', // translates CSS into CommonJS
            }, {
              loader: 'less-loader', // compiles Less to CSS
              options: {
                modifyVars: {
                  'primary-color': '#466aff',
                  'primary-color-hover': '#6684FE',
                  'primary-color-active': '#1A47FF',
                  'link-color': '#466aff',
                },
                javascriptEnabled: true,
              },
            }]
          },

          // "file" loader makes sure those assets get served by WebpackDevServer.
          // When you `import` an asset, you get its (virtual) filename.
          // In production, they would get copied to the `build` folder.
          // This loader doesn't use a "test" so it will catch all modules
          // that fall through the other loaders.
          {
            // Exclude `js` files to keep "css" loader working as it injects
            // its runtime that would otherwise processed through "file" loader.
            // Also exclude `html` and `json` extensions so they get processed
            // by webpacks internal loaders.
            exclude: [/\.(js|jsx|mjs)$/, /\.html$/, /\.json$/],
            loader: require.resolve("file-loader"),
            options: {
              name: "static/media/[name].[hash:8].[ext]",
            },
          },
        ],
      },
      // ** STOP ** Are you adding a new loader?
      // Make sure to add the new loader(s) before the "file" loader.
    ],
  },
  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.
    // Generates an `index.html` file with the <script> injected.
    new HtmlWebpackPlugin({
      inject: false,
      template: paths.appHtml,
      reactPath:'react.production.min.js',
    }),
    new InterpolateHtmlPlugin(HtmlWebpackPlugin, env.raw),

    // Add module names to factory functions so they appear in browser profiler.
    new webpack.NamedModulesPlugin(),
    // Makes some environment variables available to the JS code, for example:
    // if (process.env.NODE_ENV === 'development') { ... }. See `./env.js`.
    new webpack.DefinePlugin(env.stringified),
    // 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),
    // Moment.js is an extremely popular library that bundles large locale files
    // by default due to how Webpack interprets its code. This is a practical
    // solution that requires the user to opt into importing specific locales.
    // https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
    // You can remove this if you don't use Moment.js:
    new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
    new MonacoWebpackPlugin({
      features: ["coreCommands", "find"],
      languages: ['plaintext', 'apex', 'azcli', 'bat', 'clojure', 'coffee', 'cpp', 'csharp', 'csp', 'css', 'dockerfile', 'fsharp', 'go', 'handlebars', 'html', 'ini', 'java', 'javascript', 'json', 'less', 'lua', 'markdown', 'msdax', 'mysql', 'objective', 'perl', 'pgsql', 'php', 'postiats', 'powerquery', 'powershell', 'pug', 'python', 'r', 'razor', 'redis', 'redshift', 'ruby', 'rust', 'sb', 'scheme', 'scss', 'shell', 'solidity', 'sql', 'st', 'swift', 'typescript', 'vb', 'xml', 'yaml']
    }),
  ],
  // Some libraries import Node modules but don't use them in the browser.
  // Tell Webpack to provide empty mocks for them so importing them works.
  node: {
    dgram: "empty",
    fs: "empty",
    net: "empty",
    tls: "empty",
    child_process: "empty",
  },
  // Turn off performance hints during development because we don't do any
  // splitting or minification in interest of speed. These warnings become
  // cumbersome.
  performance: {
    hints: false,
  },
};