const path = require('path');
const BundleAnalyzerPlugin =
  require('webpack-bundle-analyzer').BundleAnalyzerPlugin;

function generateConfig(name) {
  var config = {
    entry: './lib/index.js',
    output: {
      path: path.resolve(__dirname, '../dist'),
      filename: name + '.js',
      sourceMapFilename: name + '.map',
      library: name,
      libraryTarget: 'umd',
    },
    devtool: 'source-map',
    mode: 'production',

    resolve: {
      // Add '.ts' and '.tsx' as resolvable extensions.
      extensions: ['.webpack.js', '.web.js', '.ts', '.tsx', '.js'],
      alias: {
        [path.resolve(__dirname, '../lib/util/node-support.js')]: path.resolve(
          __dirname,
          '../lib/util/browser-support.js',
        ),
      },
    },

    module: {
      rules: [
        // All files with a '.ts' or '.tsx' extension will be handled by 'ts-loader'.
        { test: /\.tsx?$/, loader: 'ts-loader' },

        // All output '.js' files will have any sourcemaps re-processed by 'source-map-loader'.
        { test: /\.js$/, loader: 'source-map-loader' },

        {
          test: /\.m?js$/,
          exclude: /(node_modules|bower_components|samples|lib|test|coverage)/,
          use: {
            loader: 'babel-loader',
            options: {
              presets: [
                [
                  '@babel/preset-env',
                  {
                    targets: {
                      node: 'current',
                    },
                  },
                ],
              ],
            },
          },
        },
      ],
    },
  };

  config.plugins = [
    new BundleAnalyzerPlugin({
      defaultSizes: 'stat',
      analyzerMode: 'static',
      reportFilename: '../doc/bundleReport.html',
      openAnalyzer: false,
    }),
  ];

  return config;
}

module.exports = generateConfig('bitgetapi');