added custom-event emitter to replayer (#219)

src/replay/index.ts

@@ -254,6 +254,16 @@ export class Replayer {
       case EventType.DomContentLoaded:
       case EventType.Load:
         break;
+      case EventType.Custom:
+        castFn = () => {
+          /**
+           * emit custom-event and pass the event object. 
+           *
+           * This will add more value to the custom event and allows the client to react for custom-event.
+           */
+          this.emitter.emit(ReplayerEvents.CustomEvent, event);
+        };
+        break;
       case EventType.Meta:
         castFn = () =>
           this.emitter.emit(ReplayerEvents.Resize, {

src/types.ts

@@ -366,4 +366,5 @@ export enum ReplayerEvents {
   SkipEnd = 'skip-end',
   MouseInteraction = 'mouse-interaction',
   EventCast = 'event-cast',
+  CustomEvent = 'custom-event',
 }