rollup.config.mjs

import typescript from '@rollup/plugin-typescript'
import {nodeResolve} from '@rollup/plugin-node-resolve'
import commonjs from '@rollup/plugin-commonjs'
import json from '@rollup/plugin-json'
// import dts from 'rollup-plugin-dts'
import copy from 'rollup-plugin-copy'
// import wasm from '@rollup/plugin-wasm'

const config = [
  // Bundle JavaScript
  {
    input: 'src/index.ts',
    output: {
      file: 'dist/bundle.js',
      format: 'es',
      sourcemap: true,
      // name: 'TypeORM Sqlite Wasm Driver',
      // dir: 'dist',
    },
    external: ['typeorm', 'path-browserify', 'reflect-metadata',],
    plugins: [
      typescript(),
      nodeResolve({
        browser: true,
        extensions: ['.js', '.ts'],
        preferBuiltins: false,
        modulesOnly: true,
      }),
      commonjs({
        esmExternals: ['typeorm',],
        strictRequires: true,
      }),
      json(),
      copy({
          targets: [
            { src: 'node_modules/@sqlite.org/sqlite-wasm/sqlite-wasm/jswasm/sqlite3.wasm', dest: 'dist' },
            { src: 'node_modules/@sqlite.org/sqlite-wasm/sqlite-wasm/jswasm/sqlite3-worker1-bundler-friendly.mjs', dest: 'dist' },
            { src: 'node_modules/@sqlite.org/sqlite-wasm/sqlite-wasm/jswasm/sqlite3-bundler-friendly.mjs', dest: 'dist' },
            { src: 'node_modules/@sqlite.org/sqlite-wasm/sqlite-wasm/jswasm/sqlite3-opfs-async-proxy.js', dest: 'dist' },
          ],
      //     // Optional: if you want to modify the package.json on-the-fly
      //     transform: (contents, filename) => {
      //       if (filename === 'package.json') {
      //         const pkg = JSON.parse(contents.toString());
      //         pkg.main = 'bundle.js'; // Adjust main script entry
      //         return JSON.stringify(pkg, null, 2); // Return modified content
      //       }
      //       return contents;
      //     }
        })
    ]
  },
  // Bundle TypeScript declarations
  // {
  //   input: 'types/index.d.ts',
  //   output: {
  //     file: 'dist/index.d.ts',
  //     format: 'esm'
  //   },
  //   plugins: [
  //     dts()  // bundles all your .d.ts files into one
  //   ]
  // }
];

export default config