export timer to public API

src/replay/index.ts

@@ -40,6 +40,8 @@ const defaultConfig: playerConfig = {
 export class Replayer {
   public wrapper: HTMLDivElement;
 
+  public timer: Timer;
+
   private events: eventWithTime[] = [];
   private config: playerConfig = defaultConfig;
 
@@ -55,8 +57,6 @@ export class Replayer {
   private nextUserInteractionEvent: eventWithTime | null;
   private noramlSpeed: number;
 
-  private timer: Timer;
-
   private missingNodeRetryMap: missingNodeMap = {};
 
   constructor(events: eventWithTime[], config?: Partial<playerConfig>) {
@@ -90,6 +90,10 @@ export class Replayer {
     };
   }
 
+  public getTimeOffset(): number {
+    return this.baselineTime - this.events[0].timestamp;
+  }
+
   /**
    * This API was designed to be used as play at any time offset.
    * Since we minimized the data collected from recorder, we do not