Function isTransformObject

lib/internal/streams/iter/utils.js:227–229

* Check if a value is a stateful transform object (has a transform method). * @param {unknown} value * @returns {boolean}

(value)

 * @returns {boolean}
 */
function isTransformObject(value) {
  return typeof value?.transform === 'function';
}

/**
 * Check if a value is a valid transform (function or transform object).