feat(device-feedback): add feedback interface

src/@ionic-native/plugins/device-feedback/index.ts

@@ -1,5 +1,14 @@
 import { Injectable } from '@angular/core';
-import { Plugin, Cordova, IonicNativePlugin } from '@ionic-native/core';
+import { Cordova, IonicNativePlugin, Plugin } from '@ionic-native/core';
+
+export interface DeviceFeedbackEnabled {
+  /** Haptic Feedback */
+  haptic: boolean;
+
+  /** Acoustic Feedback */
+  acoustic: boolean;
+}
+
 /**
  * @name Device Feedback
  * @description
@@ -19,8 +28,7 @@ import { Plugin, Cordova, IonicNativePlugin } from '@ionic-native/core';
  *
  * this.deviceFeedback.haptic(0);
  *
- * this.deviceFeedback.isFeedbackEnabled()
- *   .then((feedback) => {
+ * this.deviceFeedback.isFeedbackEnabled().then(feedback => {
  *     console.log(feedback);
  *     // {
  *     //   acoustic: true,
@@ -29,6 +37,8 @@ import { Plugin, Cordova, IonicNativePlugin } from '@ionic-native/core';
  *   });
  *
  * ```
+ * @innterfaces
+ * DeviceFeedbackEnabled
  */
 @Plugin({
   pluginName: 'DeviceFeedback',
@@ -39,25 +49,25 @@ import { Plugin, Cordova, IonicNativePlugin } from '@ionic-native/core';
 })
 @Injectable()
 export class DeviceFeedback extends IonicNativePlugin {
-
   /**
    * Provide sound feedback to user, nevertheless respect user's settings and current active device profile as native feedback do.
    */
   @Cordova({ sync: true })
-  acoustic(): void { }
+  acoustic(): void {}
 
   /**
    * Provide vibrate feedback to user, nevertheless respect user's tactile feedback setting as native feedback do.
-   * @param type {Number} Specify type of vibration feedback. 0 for long press, 1 for virtual key, or 3 for keyboard tap.
+   * @param type {number} Specify type of vibration feedback. 0 for long press, 1 for virtual key, or 3 for keyboard tap.
    */
   @Cordova({ sync: true })
-  haptic(type: number): void { }
+  haptic(type: number): void {}
 
   /**
    * Check if haptic and acoustic feedback is enabled by user settings.
-   * @returns {Promise<any>}
+   * @returns {Promise<DeviceFeedbackEnabled>}
    */
   @Cordova()
-  isFeedbackEnabled(): Promise<{ haptic: boolean; acoustic: boolean; }> { return; }
-
+  isFeedbackEnabled(): Promise<DeviceFeedbackEnabled> {
+    return;
+  }
 }