esbuild.js

import { build } from 'esbuild';

build({
	entryPoints: ['./index.js'],
	bundle: true,
	minify: true,
	outfile: './build/index.js',
	format: 'esm',
	platform: 'node',
	external: ['./handler.js'],
	banner: {
		js: "import { createRequire } from 'module';const require = createRequire(import.meta.url);"
	}
}).catch((err) => {
	process.stderr.write(err.stderr);
	process.exit(1);
});