webpack.config.js

const path = require('path');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');

const isProd = process.env.NODE_ENV === 'production';

const theme = {
  'primary-color': '#13939E',
  'header-height': '40px',
};

module.exports = {
  resolve: {
    extensions: ['.js', '.json', '.jsx', '.ts', '.tsx'],
  },
  entry: path.join(__dirname, 'src/index.tsx'),
  output: {
    path: path.join(__dirname, 'dist'),
    filename: 'main.js',
  },
  module: {
    rules: [
      {
        test: /\.(ts|tsx|js|jsx)$/,
        use: 'babel-loader',
        exclude: path.join(__dirname, 'node_modules'),
      },
      {
        test: /\.(css|less)$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
            // options: {
            //   esModule: false,
            // },
          },
          {
            loader: 'css-loader',
            options: {
              modules: {
                auto: (resourcePath) => resourcePath.endsWith('.module.less'), // 匹配.less文件来进行css模块化。
                localIdentName: '[local]_[hash:base64:10]',
              },
              // esModule: false,
            },
          },
          {
            loader: 'less-loader',
            options: {
              lessOptions: {
                javascriptEnabled: true,
                modifyVars: theme,
              },
            },
          },
        ],
      },
    ],
  },

  plugins: [
    new HtmlWebpackPlugin({
      filename: 'index.html',
      template: path.join(__dirname, './main.html'),
      inject: true,
    }),
    new MiniCssExtractPlugin(),
  ],

  devServer: {
    port: 8080,
    hot: true,
    compress: true,
    allowedHosts: 'all',
    historyApiFallback: true,
  },
};