import { mkdir, rm } from 'node:fs/promises'

const ROOT = new URL('../', import.meta.url)
const DIST = new URL('../dist/', import.meta.url)

await rm(DIST, { recursive: true, force: true })
await mkdir(DIST, { recursive: true })

// Emit dist/**/*.js + dist/**/*.d.ts (+ maps) via tsc.
const proc = Bun.spawn(['bunx', 'tsc', '-p', 'tsconfig.build.json'], {
  cwd: ROOT.pathname,
  stdout: 'inherit',
  stderr: 'inherit',
})
const exitCode = await proc.exited
if (exitCode !== 0) {
  console.error('tsc emit failed')
  process.exit(exitCode)
}

console.log('✓ build complete')