refactor(haptic): pure module

core/src/utils/haptic.ts

@@ -1,11 +1,9 @@
-const engine = (window as any).TapticEngine;
-
 /**
  * Check to see if the Haptic Plugin is available
- * @return {boolean} Returns true or false if the plugin is available
- *
+ * @return Returns true or false if the plugin is available
  */
-export function hapticAvailable() {
+export function hapticAvailable(): boolean {
+  const engine = (window as any).TapticEngine;
   return !!engine;
 }
 
@@ -14,6 +12,7 @@ export function hapticAvailable() {
  * (not for gestures)
  */
 export function hapticSelection() {
+  const engine = (window as any).TapticEngine;
   engine && engine.selection();
 }
 
@@ -21,6 +20,7 @@ export function hapticSelection() {
  * Tell the haptic engine that a gesture for a selection change is starting.
  */
 export function hapticSelectionStart() {
+  const engine = (window as any).TapticEngine;
   engine && engine.gestureSelectionStart();
 }
 
@@ -28,6 +28,7 @@ export function hapticSelectionStart() {
  * Tell the haptic engine that a selection changed during a gesture.
  */
 export function hapticSelectionChanged() {
+  const engine = (window as any).TapticEngine;
   engine && engine.gestureSelectionChanged();
 }
 
@@ -36,6 +37,7 @@ export function hapticSelectionChanged() {
  * called lest resources are not properly recycled.
  */
 export function hapticSelectionEnd() {
+  const engine = (window as any).TapticEngine;
   engine && engine.gestureSelectionEnd();
 }
 
@@ -44,6 +46,7 @@ export function hapticSelectionEnd() {
  * options should be of the type `{ type: 'success' }` (or `warning`/`error`)
  */
 export function hapticNotification(options: { type: string }) {
+  const engine = (window as any).TapticEngine;
   engine && engine.notification(options);
 }
 
@@ -52,5 +55,6 @@ export function hapticNotification(options: { type: string }) {
  * options should be of the type `{ style: 'light' }` (or `medium`/`heavy`)
  */
 export function hapticImpact(options: { style: string }) {
+  const engine = (window as any).TapticEngine;
   engine && engine.impact(options);
 }