import { defineConfig } from 'tsup'; export default defineConfig({ entry: ['src/index.ts'], format: ['esm', 'cjs'], dts: true, splitting: false, sourcemap: true, clean: true, shims: true, banner: { js: `#!/usr/bin/env node import { createRequire } from 'module'; const require = createRequire(import.meta.url); `, }, });