Add logging

Author: srijken

src/plugins/default/DuplicateCheckerPlugin.ts

@@ -40,6 +40,7 @@ export class DuplicateCheckerPlugin implements IEventPlugin {
 
     let error = context.event.data['@error'];
     let hashCode = getHashCode(error);
+
     if (!hashCode) {
       return;
     }
@@ -51,16 +52,19 @@ export class DuplicateCheckerPlugin implements IEventPlugin {
     if (merged) {
       merged.incrementCount(count);
       merged.updateDate(context.event.date);
+      context.log.info("Ignoring duplicate event with hash: " + hashCode);
       context.cancelled = true;
       return;
     }
 
     if (this._processedHashcodes.some(h => h.hash === hashCode && h.timestamp >= (now - this._interval))) {
+      context.log.info("Adding event with hash: " + hashCode);
       this._mergedEvents.push(new MergedEvent(hashCode, context, count));
       context.cancelled = true;
       return;
     }
 
+    context.log.info("Enqueueing event with hash: " + hashCode + "to cache.");
     this._processedHashcodes.push({ hash: hashCode, timestamp: now });
 
     // Only keep the last 50 recent errors.