webpack.config.js

const fs = require('fs')
const path = require('path')
const webpack = require('webpack')
const MinifyPlugin = require('babel-minify-webpack-plugin')
const CheckerPlugin = require('awesome-typescript-loader').CheckerPlugin

const license = fs.readFileSync('LICENSE', 'utf8')

const isProduction = process.env.NODE_ENV === 'production'

const plugins = []
if (isProduction) {
  plugins.push(new MinifyPlugin())
}
plugins.push(
  new CheckerPlugin(),
  new webpack.BannerPlugin({
    banner: license
  }),
  new webpack.DefinePlugin({
    VERSION: JSON.stringify(require('./package.json').version)
  })
)

module.exports = {
  mode: isProduction ? 'production' : 'development',
  entry: './src/index.ts',
  output: {
    filename: isProduction ? 'hlviewer.min.js' : 'hlviewer.js',
    path: path.resolve(__dirname, './dist'),
    library: 'HLViewer',
    libraryTarget: 'umd'
  },
  devtool: isProduction ? 'source-map' : 'none',
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        include: [path.resolve(__dirname, './src')],
        use: { loader: 'awesome-typescript-loader' }
      }
    ]
  },
  resolve: {
    extensions: ['.js', '.ts', '.tsx', '.jsx']
  },
  plugins,
  node: {
    fs: 'empty'
  }
}