Function newWatcher

__tests__/watcher.test.ts:62–63

(syncFn: SyncFn, opts: WatchOptions = {})

  // Inert by default — unit tests drive events via __emitWatchEventForTests
  // and never depend on real OS watch delivery.
  const newWatcher = (syncFn: SyncFn, opts: WatchOptions = {}) =>
    new FileWatcher(testDir, syncFn, { inertForTests: true, ...opts });

  beforeEach(() => {
    testDir = fs.mkdtempSync(path.join(os.tmpdir(), 'codegraph-watcher-'));