enhancement(Parallax) coding standards eslint fixes materializecss#506

src/parallax.ts

@@ -17,8 +17,8 @@ export class Parallax extends Component<ParallaxOptions> {
   private _enabled: boolean;
   private _img: HTMLImageElement;
   static _parallaxes: Parallax[] = [];
-  static _handleScrollThrottled: () => any;
-  static _handleWindowResizeThrottled: () => any;
+  static _handleScrollThrottled: () => Utils;
+  static _handleWindowResizeThrottled: () => Utils;
 
   constructor(el: HTMLElement, options: Partial<ParallaxOptions>) {
     super(el, options, Parallax);
@@ -28,7 +28,7 @@ export class Parallax extends Component<ParallaxOptions> {
       ...Parallax.defaults,
       ...options
     };
-    
+
     this._enabled = window.innerWidth > this.options.responsiveThreshold;
     this._img = this.el.querySelector('img');
     this._updateParallax();
@@ -83,8 +83,7 @@ export class Parallax extends Component<ParallaxOptions> {
   static _handleWindowResize() {
     for (let i = 0; i < Parallax._parallaxes.length; i++) {
       const parallaxInstance = Parallax._parallaxes[i];
-      parallaxInstance._enabled =
-        window.innerWidth > parallaxInstance.options.responsiveThreshold;
+      parallaxInstance._enabled = window.innerWidth > parallaxInstance.options.responsiveThreshold;
     }
   }
 
@@ -122,13 +121,13 @@ export class Parallax extends Component<ParallaxOptions> {
     const box = el.getBoundingClientRect();
     const docElem = document.documentElement;
     return {
-      top: box.top + window.pageYOffset - docElem.clientTop,
-      left: box.left + window.pageXOffset - docElem.clientLeft
+      top: box.top + window.scrollY - docElem.clientTop,
+      left: box.left + window.scrollX - docElem.clientLeft
     };
   }
 
   _updateParallax() {
-    const containerHeight = this.el.getBoundingClientRect().height > 0 ? (this.el.parentNode as any).offsetHeight : 500;
+    const containerHeight = this.el.getBoundingClientRect().height > 0 ? this.el.parentElement.offsetHeight : 500;
     const imgHeight = this._img.offsetHeight;
     const parallaxDist = imgHeight - containerHeight;
     const bottom = this._offset(this.el).top + containerHeight;