Function isBuffer

lib/utils.js:99–108

* Determine if a value is a Buffer * * @param {*} val The value to test * * @returns {boolean} True if value is a Buffer, otherwise false

(val)

 * @returns {boolean} True if value is a Buffer, otherwise false
 */
function isBuffer(val) {
  return (
    val !== null &&
    !isUndefined(val) &&
    val.constructor !== null &&
    !isUndefined(val.constructor) &&
    isFunction(val.constructor.isBuffer) &&
    val.constructor.isBuffer(val)
  );
}

/**
 * Determine if a value is an ArrayBuffer