// Bundles the SvelteKit adapter-node output into a single self-contained
// file so the runtime image can ship without node_modules.
//
// Input:  build/index.js (+ its static + dynamic imports from build/**)
// Output: build/bundle.mjs
//
// Dropping node_modules shrinks the image from ~130 MB to ~60 MB.

import { build } from 'esbuild';

await build({
	entryPoints: ['build/index.js'],
	bundle: true,
	platform: 'node',
	format: 'esm',
	outfile: 'build/bundle.mjs',
	// Keep node built-ins external; bundle everything else (including deps
	// pulled in transitively by @sveltejs/kit, valibot, etc.).
	external: ['node:*'],
	// ESM output lacks the CommonJS `require` global; some transitive deps
	// call it via interop helpers. This shim makes it available.
	banner: {
		js: "import { createRequire as __cr } from 'node:module'; const require = __cr(import.meta.url);"
	},
	// Dynamic imports in manifest.js reference hashed chunks by string
	// literal — esbuild statically traces these, no splitting needed.
	logLevel: 'info'
});