const path = require('path');
const Config = require('webpack-chain');
const autoprefixer = require('autoprefixer');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');

const DEFAULT_BROWSERS = [
  '>1%',
  'last 4 versions',
  'Firefox ESR',
  'not ie < 9', // React doesn't support IE8 anyway
];

const config = new Config();

config
  .entry('index')
    .add('./src/index.tsx')
    .end()
  .output
    .path(path.resolve(__dirname, 'dist'))
    .filename('index.js');

config.module
  .rule('tsx')
    .test(/\.tsx?$/)
    .use('babel-loader')
      .loader('babel-loader')
      .options({
        presets: [
          "@babel/preset-react",
          ["@babel/preset-env", {
            targets: {
              browsers: [
                'last 2 versions',
                'ie >= 11',
              ],
            },
          }],
        ],
        plugins: [['import', {
          libraryName: 'antd',
          style: true,
          }],
          '@babel/plugin-transform-object-assign',
        ],
      })
      .end()
    .use('ts-loader')
    .loader('ts-loader')
    .options({
      configFile: path.join(__dirname, 'tsconfig.json'),
      // transpileOnly: true,
    });

config.module
  .rule('less')
    .test(/\.less/)
    .use('style-loader')
      .loader('style-loader')
      .end()
    // .use('MiniCssExtractPlugin.loader')
    //   .loader(MiniCssExtractPlugin.loader)
    //   .end()
    .use('css-loader')
      .loader('css-loader')
      .options({
        sourceMap: false,
      })
      .end()
    .use('postcss-loader')
      .loader('postcss-loader')
      .options({
        plugins: () => [
          autoprefixer({
            overrideBrowserslist: DEFAULT_BROWSERS,
            flexbox: 'no-2009',
          }),
        ],
      })
      .end()
    .use('less-loader')
      .loader('less-loader')
      .options({
        sourceMap: false,
        javascriptEnabled: true,
      });

config.module
  .rule('eot')
    .test(/\.eot(\?v=\d+\.\d+\.\d+)?$/)
    .use('url-loader')
      .loader('url-loader')
      .options({
        limit: 10000,
        minetype: 'application/font-woff',
      });

config.module
  .rule('svg')
    .test(/\.svg(\?v=\d+\.\d+\.\d+)?$/)
    .use('url-loader')
      .loader('url-loader')
      .options({
        limit: 10000,
        minetype: 'image/svg+xml',
      });

config.module
  .rule('ttf')
    .test(/\.ttf(\?v=\d+\.\d+\.\d+)?$/)
    .use('url-loader')
      .loader('url-loader')
      .options({
        limit: 10000,
        minetype: 'application/octet-stream',
      });

config.module
  .rule('woff')
    .test(/\.woff(\?v=\d+\.\d+\.\d+)?$/)
    .use('url-loader')
      .loader('url-loader')
      .options({
        limit: 10000,
        minetype: 'application/font-woff',
      });

config.module
  .rule('image')
    .test(/\.(jpg|png)$/)
    .use('file-loader')
      .loader('file-loader');

config.resolve
  .extensions.merge([ '.tsx', '.ts', '.js' ])
  .end()
  .modules.add(path.join(__dirname, 'node_modules'));

config.resolve
  .alias.merge({
    '@app': path.join(__dirname, 'src')
  })

// config.plugin('MiniCssExtractPlugin')
//   .use(MiniCssExtractPlugin)

module.exports = config;