import path from 'path';
import { fileURLToPath } from 'url';

// 处理ES模块中的__dirname
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

export default {
  entry: './index.tsx',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist'),
    publicPath: '/',
    clean: true,
  },
  mode: 'development',
  devtool: 'eval-cheap-module-source-map',
  devServer: {
    static: {
      directory: __dirname,
    },
    hot: true,
    open: false,
    port: 3000,
    historyApiFallback: true,
  },
  module: {
    rules: [
      {
        test: /\.(ts|tsx)$/,
        exclude: /node_modules/,
        use: [
          {
            loader: 'ts-loader',
            options: {
              transpileOnly: true,
              compilerOptions: {
                noEmit: false
              }
            }
          }
        ],
      },
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: [
              ['@babel/preset-env', { targets: 'defaults' }],
              '@babel/preset-react',
            ],
          },
        },
      },
      {
        test: /\.(scss|sass)$/,
        use: ['style-loader', 'css-loader', 'postcss-loader', 'sass-loader'],
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /\.(png|svg|jpg|jpeg|gif)$/i,
        type: 'asset/resource',
      },
    ],
  },
  resolve: {
    alias: {
      '@': path.resolve(__dirname, 'src'),
    },
    extensions: ['.tsx', '.ts', '.jsx', '.js'],
  },
};