tsup.config.ts

import { defineConfig } from 'tsup';
import { peerDependencies } from './package.json';

// Extract peerDependencies from package.json
const EXTERNAL_DEPS = Object.keys(peerDependencies as Record<string, string>);

export default defineConfig({
  // Entry file(s) for the bundling process
  entry: ['src/index.ts'],
  // Output directory for the bundled code
  outDir: 'dist',
  // Enable code splitting for better performance
  splitting: true,
  // Specify external dependencies to exclude from the bundle
  external: EXTERNAL_DEPS,
  // Generate source maps
  sourcemap: false,
  // Clean the output directory before each build if not in a continuous integration environment
  clean: true,
  // Generate declaration files (.d.ts)
  dts: true,
  // Output formats: CommonJS and ECMAScript modules
  format: ['esm'],
  // Minify the code if in a continuous integration environment
  minify: true,
});