const path = require("path");
const webpack = require("webpack");
const TerserPlugin = require("terser-webpack-plugin");

module.exports = {
  entry: "./src/main.ts",
  target: "web",
  output: {
    filename: "main.js",
    path: __dirname,
    libraryTarget: "commonjs",
  },
  plugins: [
    // Work around for Buffer is undefined:
    // https://github.com/webpack/changelog-v5/issues/10
    new webpack.ProvidePlugin({
      Buffer: ["buffer", "Buffer"],
    }),
    new webpack.ProvidePlugin({
      process: "process/browser",
    }),
  ],
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: "ts-loader",
        exclude: /node_modules/,
      },
    ],
  },
  resolve: {
    extensions: [".tsx", ".ts", ".js"],
    mainFields: ["browser", "module", "main"],
    fallback: {
      assert: require.resolve("assert"),
      buffer: require.resolve("buffer/"),
      console: require.resolve("console-browserify"),
      constants: require.resolve("constants-browserify"),
      crypto: require.resolve("crypto-browserify"),
      domain: require.resolve("domain-browser"),
      events: require.resolve("events"),
      http: require.resolve("stream-http"),
      https: require.resolve("https-browserify"),
      os: require.resolve("os-browserify/browser"),
      path: require.resolve("path-browserify"),
      punycode: require.resolve("punycode"),
      process: require.resolve("process/browser"),
      querystring: require.resolve("querystring-es3"),
      stream: require.resolve("stream-browserify"),
      string_decoder: require.resolve("string_decoder"),
      sys: require.resolve("util"),
      timers: require.resolve("timers-browserify"),
      tty: require.resolve("tty-browserify"),
      url: require.resolve("url"),
      util: require.resolve("util"),
      vm: require.resolve("vm-browserify"),
      zlib: require.resolve("browserify-zlib"),
    },
  },
  externals: {
    obsidian: "commonjs2 obsidian",
  },
  optimization: {
    minimize: true,
    minimizer: [new TerserPlugin({ extractComments: false })],
  },
};