message: Fix fsExtra.pathExists call.
diff: @@ -72,7 +72,7 @@ async function run(argv: string[]) {
  if (!args.config) {
  const p = path.join(args.root, 'gen-tsd.json');
  - if (await fsExtra.exists(p)) {
  + if (await fsExtra.pathExists(p)) {
  args.config = p;
  }
  }
  