Fix timer type error with window.setTimeout

Author: Masth0

src/utils.ts

@@ -37,7 +37,7 @@ export function throttle (callback: Function, delay: number) {
       if (last && now < last + delay) {
           // le délai n'est pas écoulé on reset le timer
           clearTimeout(timer);
-          timer = setTimeout(function () {
+          timer = window.setTimeout(function () {
               last = now;
               callback.apply(context, args);
           }, delay);
@@ -121,4 +121,4 @@ export function getOffset (element: HTMLElement) {
     left: (deltaLeft < 0) ? offset.left + Math.abs(deltaLeft) : offset.left - Math.abs(deltaLeft),
     top: (deltaTop < 0) ? offset.top + Math.abs(deltaTop) : offset.top - Math.abs(deltaTop)
   };
-}
+}