tsup.config.ts

import { defineConfig } from 'tsup'

export default defineConfig({
	entry: ['src/index.ts'],
	format: ['esm', 'cjs'],
	clean: true,
	splitting: false,

	// This custom tsconfig doesn't appear to be respected by tsup.
	// Manually defining `target`, `sourcemap`, and `dts` compiler options.
	tsconfig: './tsconfig.json',
	target: ['es2022'],
	sourcemap: true,
	dts: true,
})