//@ts-check

'use strict';

const WasmPackPlugin = require('@wasm-tool/wasm-pack-plugin');
const path = require('path');
const TerserPlugin = require('terser-webpack-plugin');

/**@type {import('webpack').Configuration}*/
module.exports = {
  target: 'node',
  experiments: {
    asyncWebAssembly: true
  },
  plugins: [
    new WasmPackPlugin({
      crateDirectory: path.resolve(__dirname, "../crates/lsp"),
      extraArgs: "--target bundler -- --features wasm",
    }),
  ],
  optimization: {
    moduleIds: 'deterministic',
    chunkIds: 'deterministic',
    usedExports: true,
    sideEffects: true,
    minimize: true,
    minimizer: [
      new TerserPlugin({
        parallel: true,
        terserOptions: {
          compress: {
            passes: 2
          },
          format: { comments: false },
          mangle: true
        }
      })
    ]
  },
  performance: {
    hints: false
  },
  entry: './src/extension.ts',
  output: {
    filename: 'extension.js',
    path: path.resolve(__dirname, 'dist'),
    devtoolModuleFilenameTemplate: '../[resource-path]'
  },
  devtool: 'nosources-source-map',
  externals: {
    vscode: 'commonjs vscode'
  },
  resolve: {
    mainFields: ['browser', 'module', 'main'],
    extensions: ['.ts', '.js'],
    alias: {
      "kerolox-lsp": path.resolve(__dirname, "../crates/lsp/pkg/index.js")
    },
    fallback: {
      stream: require.resolve('stream-browserify')
    }
  },
  module: {
    rules: [
      {
        test: /\.ts$/,
        exclude: /node_modules/,
        use: [
          {
            loader: 'ts-loader'
          }
        ]
      }
    ]
  }
};