Use Date.now() for better browser compatibility

Author: devversion

src/lib/core/ripple/ripple-renderer.ts

@@ -21,7 +21,7 @@ export const RIPPLE_FADE_OUT_DURATION = 400;
  * Timeout for ignoring mouse events. Mouse events will be temporary ignored after touch
  * events to avoid synthetic mouse events.
  */
-const ignoreMouseEventsTimeout = 800;
+const IGNORE_MOUSE_EVENTS_TIMEOUT = 800;
 
 export type RippleConfig = {
   color?: string;
@@ -190,7 +190,7 @@ export class RippleRenderer {
   /** Function being called whenever the trigger is being pressed using mouse. */
   private onMousedown(event: MouseEvent) {
     const isSyntheticEvent = this._lastTouchStartEvent &&
-        event.timeStamp < this._lastTouchStartEvent + ignoreMouseEventsTimeout;
+        Date.now() < this._lastTouchStartEvent + IGNORE_MOUSE_EVENTS_TIMEOUT;
 
     if (!this.rippleDisabled && !isSyntheticEvent) {
       this._isPointerDown = true;
@@ -204,7 +204,7 @@ export class RippleRenderer {
       // Some browsers fire mouse events after a `touchstart` event. Those synthetic mouse
       // events will launch a second ripple if we don't ignore mouse events for a specific
       // time after a touchstart event.
-      this._lastTouchStartEvent = event.timeStamp;
+      this._lastTouchStartEvent = Date.now();
       this._isPointerDown = true;
 
       this.fadeInRipple(event.touches[0].clientX, event.touches[0].clientY, this.rippleConfig);