webpack.config.js

/* eslint-disable @typescript-eslint/no-var-requires */
const HtmlInlineScriptPlugin = require('html-inline-script-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const path = require('path');
const webpack = require('webpack');

module.exports = (env, argv) => ({
  mode: argv.mode === 'production' ? 'production' : 'development',

  // This is necessary because Figma's 'eval' works differently than normal eval
  devtool: argv.mode === 'production' ? false : 'inline-source-map',

  entry: {
    ui: './src/ui.ts', // The entry point for your UI code
    code: './src/code.ts', // The entry point for your plugin code
  },

  module: {
    rules: [
      // Converts TypeScript code to JavaScript
      { test: /\.ts$/, use: 'ts-loader', exclude: /node_modules/ },

      // Enables including CSS by doing "import './file.css'" in your TypeScript code
      { test: /\.css$/, use: ['style-loader', 'css-loader'] },

      // Allows you to use "<%= require('./file.svg') %>" in your HTML code to get a data URI
      { test: /\.(png|jpg|gif|svg|webp)$/, type: 'asset/inline' },
    ],
  },

  // Webpack tries these extensions for you if you omit the extension like "import './file'"
  resolve: {
    extensions: ['.ts', '.js'],
    fallback: {
      stream: require.resolve('stream-browserify'),
      buffer: require.resolve('buffer/'),
      process: require.resolve('process/browser'),
      string_decoder: require.resolve('string_decoder'),
      path: require.resolve('path-browserify'),
    },
  },

  output: {
    filename: '[name].js',
    path: path.resolve(__dirname, 'dist'), // Compile into a folder called "dist"
  },

  // Tells Webpack to generate "ui.html" and to inline "ui.ts" into it
  plugins: [
    new HtmlWebpackPlugin({
      filename: 'ui.html',
      template: './src/ui.html',
      inlineSource: '.(js)$',
      chunks: ['ui'],
    }),
    new HtmlInlineScriptPlugin({
      assetPreservePattern: [/ui.js/],
    }),
    new webpack.ProvidePlugin({
      process: 'process/browser', // Ensures process is globally available
    }),
    new webpack.ProvidePlugin({
      Buffer: ['buffer', 'Buffer'],
    }),
  ],
});