Added mousemoveCallback threshold option to sampling config. (#492)

* Added mousemoveCallback threshold option to sampling config.

* Added mousemoveCallback to definitions file.

src/record/observer.ts

@@ -131,6 +131,8 @@ function initMoveObserver(
 
   const threshold =
     typeof sampling.mousemove === 'number' ? sampling.mousemove : 50;
+  const callbackThreshold =
+    typeof sampling.mousemoveCallback === 'number' ? sampling.mousemoveCallback : 500;
 
   let positions: mousePosition[] = [];
   let timeBaseline: number | null;
@@ -145,7 +147,7 @@ function initMoveObserver(
     );
     positions = [];
     timeBaseline = null;
-  }, 500);
+  }, callbackThreshold);
   const updatePosition = throttle<MouseEvent | TouchEvent>(
     (evt) => {
       const { target } = evt;

src/types.ts

@@ -164,6 +164,10 @@ export type SamplingStrategy = Partial<{
    * number is the throttle threshold of recording mouse/touch move
    */
   mousemove: boolean | number;
+  /**
+   * number is the throttle threshold of mouse/touch move callback
+   */
+  mousemoveCallback: number;
   /** 
    * false means not to record mouse interaction events
    * can also specify record some kinds of mouse interactions

typings/types.d.ts

@@ -111,6 +111,7 @@ export declare type eventWithTime = event & {
 export declare type blockClass = string | RegExp;
 export declare type SamplingStrategy = Partial<{
     mousemove: boolean | number;
+    mousemoveCallback: number;
     mouseInteraction: boolean | Record<string, boolean | undefined>;
     scroll: number;
     input: 'all' | 'last';