memblock: fix isMemBlock.

2017-07-25 01:57:46 -07:00 · 2017-07-25 01:57:46 -07:00 · 0993bbacbf
commit 0993bbacbf
parent cd795cf96f
1 changed files with 4 additions and 1 deletions
--- a/lib/primitives/memblock.js
+++ b/lib/primitives/memblock.js
@ -213,7 +213,10 @@ MemBlock.prototype.toHeaders = function toHeaders() {
 */

 MemBlock.isMemBlock = function isMemBlock(obj) {
-  return obj && obj.memory && typeof obj.toBlock === 'function';
+  return obj
+    && typeof obj.toBlock === 'function'
+    && typeof obj.isMemory === 'function'
+    && obj.isMemory();
 };

 /*