eventemitter2 - npm Package Compare versions

Comparing version 2.1.3 to 2.2.0

eventemitter2.d.ts

@@ -25,2 +25,7 @@ declare let eventemitter2: eventemitter2.Static
         maxListeners?: number
+        /**
+         * @default false
+         * @description show event name in memory leak message when more than maximum amount of listeners is assigned, default false
+         */
+        verboseMemoryLeak?: boolean;
     }
@@ -27,0 +32,0 @@ interface Listener{

lib/eventemitter2.js

@@ -30,2 +30,3 @@ /*!
       conf.newListener && (this.newListener = conf.newListener);
+      conf.verboseMemoryLeak && (this.verboseMemoryLeak = conf.verboseMemoryLeak);
 
@@ -40,8 +41,14 @@ if (this.wildcard) {
 
-  function logPossibleMemoryLeak(count) {
-    console.error('(node) warning: possible EventEmitter memory ' +
-      'leak detected. %d listeners added. ' +
-      'Use emitter.setMaxListeners() to increase limit.',
-      count);
+  function logPossibleMemoryLeak(count, eventName) {
+    var errorMsg = '(node) warning: possible EventEmitter memory ' +
+        'leak detected. %d listeners added. ' +
+        'Use emitter.setMaxListeners() to increase limit.';
 
+    if(this.verboseMemoryLeak){
+      errorMsg += ' Event name: %s.';
+      console.error(errorMsg, count, eventName);
+    } else {
+      console.error(errorMsg, count);
+    }
+
     if (console.trace){
@@ -55,2 +62,3 @@ console.trace();
     this.newListener = false;
+    this.verboseMemoryLeak = false;
     configure.call(this, conf);
@@ -213,3 +221,3 @@ }
             tree._listeners.warned = true;
-            logPossibleMemoryLeak(tree._listeners.length);
+            logPossibleMemoryLeak.call(this, tree._listeners.length, name);
           }
@@ -512,3 +520,3 @@ }
         this._events[type].warned = true;
-        logPossibleMemoryLeak(this._events[type].length);
+        logPossibleMemoryLeak.call(this, this._events[type].length, type);
       }
@@ -515,0 +523,0 @@ }

package.json

 {
   "name": "eventemitter2",
-  "version": "2.1.3",
+  "version": "2.2.0",
   "description": "A Node.js event emitter implementation with namespaces, wildcards, TTL and browser support.",
@@ -5,0 +5,0 @@ "keywords": ["event", "events", "emitter", "eventemitter"],

README.md

@@ -52,3 +52,8 @@ [![Codeship](https://img.shields.io/codeship/3ad58940-4c7d-0131-15d5-5a8cd3f550f8.svg?maxAge=2592000)]()
       //
-      maxListeners: 20
+      maxListeners: 20,
+      
+      //
+      // show event name in memory leak message when more than maximum amount of listeners is assigned, default false
+      //
+      verboseMemoryLeak: false
     });
@@ -55,0 +60,0 @@ ```

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Found 1 instance in 1 package

Fixed alerts

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Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

35522

increased by3.81%

Number of package files

7

increased by16.67%

Lines of code

686

increased by1.78%

Number of lines in readme file

284

increased by1.79%

No dependency changes