fix: parser was eating errors in listeners

packages/packet/socket.io-parser.js

@@ -78,6 +78,7 @@ class Decoder extends decorateDecoder(class {}) {
   parseBinary(obj) {
     const view = new Uint8Array(obj);
     const packetId = view[0];
+    let packet;
     try {
       const schema = schemaFromId(packetId);
       if (!schema) {
@@ -85,23 +86,27 @@ class Decoder extends decorateDecoder(class {}) {
       }
       const {data, nsp} = schema.decode(obj);
       const Packet = packetFromId(packetId);
-      this.emit('decoded', {
+      packet = {
         type: TYPES.EVENT,
         data: [packetId, new Packet(data)],
         nsp,
-      });
-    } catch (e) {
-      this.emit('decoded', errorPacket);
+      };
     }
+    catch (e) {
+      packet = errorPacket;
+    }
+    this.emit('decoded', packet);
   }
 
   parseJSON(obj) {
+    let decoded;
     try {
-      this.emit('decoded', JSON.parse(obj));
+      decoded = JSON.parse(obj);
     }
     catch (e) {
-      this.emit('decoded', errorPacket);
+      decoded = errorPacket;
     }
+    this.emit('decoded', decoded);
   }
 
 }