Function tapSync

lib/internal/streams/iter/consumers.js:350–356

* Create a sync pass-through transform that observes chunks. * @param {Function} callback * @returns {Function}

(callback)

 * @returns {Function}
 */
function tapSync(callback) {
  validateFunction(callback, 'callback');
  return (chunks) => {
    callback(chunks);
    return chunks;
  };
}

// =============================================================================
// Drain Utility