install gulp to process code

node_modules/gulp-cli/lib/shared/exit.js

@@ -0,0 +1,15 @@
+'use strict';
+
+// Fix stdout truncation on windows
+function exit(code) {
+  /* istanbul ignore next */
+  if (process.platform === 'win32' && process.stdout.bufferSize) {
+    process.stdout.once('drain', function() {
+      process.exit(code);
+    });
+    return;
+  }
+  process.exit(code);
+}
+
+module.exports = exit;