#!/usr/bin/env node

// Generates a minimal package.json for the Docker runtime stage.

//

// Runtime deps = esbuild externals (packages that can't be bundled due to

// native modules, WASM, etc.). Versions are read from the root package.json

// so there's a single source of truth.

//

// Usage: node scripts/gen-runtime-package.mjs > runtime-package.json

import { readFileSync } from 'fs'

import { join, dirname } from 'path'

import { fileURLToPath } from 'url'

const __dirname = dirname(fileURLToPath(import.meta.url))

const rootDir = join(__dirname, '..')

const pkg = JSON.parse(readFileSync(join(rootDir, 'package.json'), 'utf-8'))

const allDeps = { ...pkg.dependencies, ...pkg.devDependencies }

// Extract externals from build-server.mjs

const buildScript = readFileSync(join(rootDir, 'scripts/build-server.mjs'), 'utf-8')

const externalsMatch = buildScript.match(/external:\s*\[([\s\S]*?)\]/)

if (!externalsMatch) {

console.error('Could not find external array in build-server.mjs')

process.exit(1)

}

const externals = externalsMatch[1]

.split('\n')

.map((line) => line.match(/'([^']+)'/)?.[1])

.filter(Boolean)

// Resolve versions from package.json

const deps = {}

const missing = []

for (const name of externals) {

if (allDeps[name]) {

deps[name] = allDeps[name]

} else {

missing.push(name)

}

}

if (missing.length > 0) {

console.error('esbuild externals not found in package.json:')

for (const name of missing) {

console.error(` - ${name}`)

}

console.error('\nAdd them to dependencies in package.json.')

process.exit(1)

}

const runtimePkg = {

name: 'pgconsole-runtime',

type: 'module',

dependencies: deps,

}

console.log(JSON.stringify(runtimePkg, null, 2))