import { resolve } from 'path';
import { Configuration } from 'webpack';
import HtmlWebpackPlugin from 'html-webpack-plugin';
import CircularDependencyPlugin from 'circular-dependency-plugin';

const commonConfig: Configuration = {
  entry: './src/index.ts',
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/
      },
      {
        test: /\.(png|svg|jpg|gif)$/,
        use: [
          {
            loader: 'file-loader',
            options: {
              outputPath: 'assets/images'
            }
          }
        ],
        exclude: /node_modules/
      },
      {
        test: /\.(mp3|ogg|wav)$/,
        use: [
          {
            loader: 'file-loader',
            options: {
              outputPath: 'assets/audio'
            }
          }
        ],
        exclude: /node_modules/
      }
    ]
  },
  resolve: {
    extensions: ['.tsx', '.ts', '.js']
  },
  output: {
    filename: 'bundle.js',
    path: resolve(__dirname, 'dist')
  },
  plugins: [
    new HtmlWebpackPlugin({
      title: 'Entropy Game Engine',
      template: 'src/index.html',
      favicon: 'src/assets/images/favicon.ico'
    }),
    new CircularDependencyPlugin({
      // exclude detection of files based on a RegExp
      exclude: /a\.js|node_modules/,
      // add errors to webpack instead of warnings
      failOnError: true,
      // allow import cycles that include an asyncronous import,
      // e.g. via import(/* webpackMode: "weak" */ './file.js')
      allowAsyncCycles: false,
      // set the current working directory for displaying module paths
      cwd: process.cwd()
    })
  ]
};

export default commonConfig;