webpack.shared.cjs

// Copyright 2019-2022 @subwallet/sub-connect authors & contributors
// SPDX-License-Identifier: Apache-2.0

const path = require('path');
const webpack = require('webpack');
const CopyPlugin = require('copy-webpack-plugin');

const pkgJson = require('./package.json');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require("mini-css-extract-plugin");

const args = process.argv.slice(2);
let mode = 'production';

if (args) {
  args.forEach((p, index) => {
    if (p === '--mode') {
      mode = args[index + 1] || mode;
    }
  });
}

console.log('You are using ' + mode + ' mode.');

const packages = [
  'sub-connect',
];

const cssRegex = /\.css$/;
const cssModuleRegex = /\.module\.css$/;
const sassRegex = /\.(scss|sass)$/;
const sassModuleRegex = /\.module\.(scss|sass)$/;

const getStyleLoaders = (cssOptions, preProcessor) => {
  const loaders = [
    isEnvDevelopment && require.resolve('style-loader'),
    isEnvProduction && {
      loader: MiniCssExtractPlugin.loader,
      // css is located in `static/css`, use '../../' to locate index.html folder
      // in production `paths.publicUrlOrPath` can be a relative path
      options: paths.publicUrlOrPath.startsWith('.')
        ? {publicPath: '../../'}
        : {},
    },
    {
      loader: require.resolve('css-loader'),
      options: cssOptions,
    },
    {
      // Options for PostCSS as we reference these options twice
      // Adds vendor prefixing based on your specified browser support in
      // package.json
      loader: require.resolve('postcss-loader'),
      options: {
        postcssOptions: {
          // Necessary for external CSS imports to work
          // https://github.com/facebook/create-react-app/issues/2677
          ident: 'postcss',
          config: false,
          plugins: !useTailwind
            ? [
              'postcss-flexbugs-fixes',
              [
                'postcss-preset-env',
                {
                  autoprefixer: {
                    flexbox: 'no-2009',
                  },
                  stage: 3,
                },
              ],
              // Adds PostCSS Normalize as the reset css with default options,
              // so that it honors browserslist config in package.json
              // which in turn let's users customize the target behavior as per their needs.
              'postcss-normalize',
            ]
            : [
              'tailwindcss',
              'postcss-flexbugs-fixes',
              [
                'postcss-preset-env',
                {
                  autoprefixer: {
                    flexbox: 'no-2009',
                  },
                  stage: 3,
                },
              ],
            ],
        },
        sourceMap: isEnvProduction ? shouldUseSourceMap : isEnvDevelopment,
      },
    },
  ].filter(Boolean);
  if (preProcessor) {
    loaders.push(
      {
        loader: require.resolve('resolve-url-loader'),
        options: {
          sourceMap: isEnvProduction ? shouldUseSourceMap : isEnvDevelopment,
          root: paths.appSrc,
        },
      },
      {
        loader: require.resolve(preProcessor),
        options: {
          sourceMap: true,
        },
      }
    );
  }
  return loaders;
};


module.exports = (entry, alias = {}, useSplitChunk = false) => {
  const result = {
    context: __dirname,
    devtool: false,
    entry,
    devServer: {
      port: 7777,
      hot: false
    },
    module: {
      rules: [
        {
          exclude: /(node_modules)/,
          test: /\.(js|mjs|ts|tsx)$/,
          use: [
            {
              loader: require.resolve('babel-loader'),
              options: require('@polkadot/dev/config/babel-config-webpack.cjs')
            }
          ]
        },
        {
          test: /\.(js|mjs|ts|tsx)$/,
          resolve: {
            fullySpecified: false,
          },
        },
        {
          test: /\.(sa|sc|c)ss$/i,
          use: [
            // Creates `style` nodes from JS strings
            "style-loader",
            // Translates CSS into CommonJS
            {
              loader: 'css-loader',
              options: {
                modules: {
                  // Callback must return "local", "global", or "pure" values
                  mode: (resourcePath) => {
                    return 'global';
                  },
                },
              },
            },
            // Compiles Sass to CSS
            "sass-loader",
          ],
        },
        {
          test: [/\.svg$/, /\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/, /\.woff2?$/],
          use: [
            {
              loader: require.resolve('url-loader'),
              options: {
                esModule: false,
                limit: 10000,
                name: 'static/[name].[ext]'
              }
            }
          ]
        }
      ]
    },
    output: {
      chunkFilename: '[name].[contenthash].js',
      filename: '[name].[contenthash].js',
      globalObject: '(typeof self !== \'undefined\' ? self : this)',
      path: path.join(__dirname, 'build'),
      publicPath: ''
    },
    performance: {
      hints: false
    },
    plugins: [
      new webpack.ProvidePlugin({
        Buffer: ['buffer', 'Buffer'],
        process: 'process/browser.js'
      }),
      new webpack.IgnorePlugin({
        resourceRegExp: /@subwallet\/react-ui\/node_modules\/@google\/model-viewer\/lib\/three-components\/TextureUtils\/.js\//
      }),
      new webpack.DefinePlugin({
        'process.env': {
          NODE_ENV: JSON.stringify(mode),
          PKG_NAME: JSON.stringify(pkgJson.name),
          PKG_VERSION: JSON.stringify(pkgJson.version)
        }
      }),
      new CopyPlugin({
        patterns: [{
          from: 'public',
          globOptions: {
            ignore: [
              '**/*.html'
            ]
          }
        }]
      }),
      new HtmlWebpackPlugin({
        filename: 'index.html',
        template: 'public/index.html',
        chunks: ['index']
      })
    ],
    resolve: {
      alias: packages.reduce((alias, p) => ({
        ...alias,
        [`@subwallet/${p}`]: path.resolve(__dirname, `../${p}/src`)
      }), {
        ...alias,
        'react/jsx-runtime': require.resolve('react/jsx-runtime')
      }),
      extensions: ['.js', '.jsx', '.ts', '.tsx', '.*.js' , '.*.mjs'],
      fallback: {
        crypto: require.resolve('crypto-browserify'),
        path: require.resolve('path-browserify'),
        stream: require.resolve('stream-browserify'),
        os: require.resolve('os-browserify/browser'),
        http: require.resolve('stream-http'),
        buffer: require.resolve('buffer'),
        https: require.resolve('https-browserify'),
        assert: require.resolve('assert'),
        url: require.resolve('url'),
        zlib: false,
      }
    },
    watch: false,
    ignoreWarnings: [
      (e) => e.message.includes("Critical dependency: the request of a dependency is an expression"),
    ],
  };

  if (useSplitChunk) {
    result.optimization = {
      splitChunks: {
        chunks: 'all',
        maxSize: 2000000,
        cacheGroups: {
          vendors: {
            test: /[\\/]node_modules[\\/]/,
            priority: -10
          },
          default: {
            priority: -20,
            reuseExistingChunk: true
          }
        }
      }
    };
  }

  return result;
};