[fixup] add handler.has for proxy

nodejs · Nov 19, 2017 · 63c4741 · 63c4741
1 parent e478850
commit 63c4741
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/lib/events.js b/lib/events.js
@@ -115,6 +115,14 @@ const proxyEventsHandler = {
   getPrototypeOf() {
     return null;
   },
+  has({ emitter }, prop) {
+    const events = emitter[kEvents];
+    if (events === undefined)
+      return false;
+    if (typeof prop !== 'string' && typeof prop !== 'symbol')
+      prop = String(prop);
+    return events.has(prop);
+  },
   ownKeys({ emitter }) {
     const events = emitter[kEvents];
     if (events === undefined)