zlib: destroy only when both readable and writable finished

Author: ronag

lib/zlib.js

@@ -260,7 +260,7 @@ function ZlibBase(opts, mode, handle, { flush, finishFlush, fullFlush }) {
     }
   }
 
-  Transform.call(this, { autoDestroy: false, ...opts });
+  Transform.call(this, { autoDestroy: true, ...opts });
   this._hadError = false;
   this.bytesWritten = 0;
   this._handle = handle;
@@ -274,7 +274,6 @@ function ZlibBase(opts, mode, handle, { flush, finishFlush, fullFlush }) {
   this._defaultFlushFlag = flush;
   this._finishFlushFlag = finishFlush;
   this._defaultFullFlushFlag = fullFlush;
-  this.once('end', this.close);
   this._info = opts && opts.info;
 }
 ObjectSetPrototypeOf(ZlibBase.prototype, Transform.prototype);