Function _close

lib/zlib.js:607–611

* @param {ZlibBase} engine * @private

(engine)

 * @private
 */
function _close(engine) {
  // Caller may invoke .close after a zlib error (which will null _handle)
  engine._handle?.close();
  engine._handle = null;
}

const zlibDefaultOpts = {
  flush: Z_NO_FLUSH,