基本schema测试

node_modules/pino/test/fixtures/ts/to-file-transport.ts

@@ -0,0 +1,11 @@
+import * as fs from 'node:fs'
+import { once } from 'node:events'
+
+async function run (opts: { destination?: fs.PathLike }): Promise<fs.WriteStream> {
+  if (!opts.destination) throw new Error('kaboom')
+  const stream = fs.createWriteStream(opts.destination, { encoding: 'utf8' })
+  await once(stream, 'open')
+  return stream
+}
+
+export default run