feat(mixpanel): Update/add functions (#2697)

* Update mixpanel typings for Ionic native.

* Update index.ts

src/@ionic-native/plugins/mixpanel/index.ts

@@ -1,5 +1,5 @@
 import { Injectable } from '@angular/core';
-import { Cordova, Plugin, IonicNativePlugin } from '@ionic-native/core';
+import { Cordova, IonicNativePlugin, Plugin } from '@ionic-native/core';
 
 declare var mixpanel: any;
 
@@ -33,90 +33,112 @@ declare var mixpanel: any;
 })
 @Injectable()
 export class Mixpanel extends IonicNativePlugin {
-
   /**
-   *
+   * If originalId is omitted, aliasId will be used as originalId.
    * @param aliasId {string}
    * @param originalId {string}
    * @returns {Promise<any>}
    */
   @Cordova()
-  alias(aliasId: string, originalId: string): Promise<any> { return; }
+  alias(aliasId: string, originalId?: string): Promise<any> {
+    return;
+  }
 
   /**
    *
    * @returns {Promise<any>}
    */
   @Cordova()
-  distinctId(): Promise<any> { return; }
+  distinctId(): Promise<any> {
+    return;
+  }
 
   /**
    * @returns {Promise<any>}
    */
   @Cordova()
-  flush(): Promise<any> { return; }
+  flush(): Promise<any> {
+    return;
+  }
 
   /**
-   *
+   * The usePeople parameter is used for the iOS Mixpanel SDK.
    * @param distinctId {string}
+   * @param usePeople {boolean}
    * @returns {Promise<any>}
    */
   @Cordova()
-  identify(distinctId: string): Promise<any> { return; }
+  identify(distinctId: string, usePeople?: boolean): Promise<any> {
+    return;
+  }
 
   /**
    *
    * @param token {string}
    * @returns {Promise<any>}
    */
   @Cordova()
-  init(token: string): Promise<any> { return; }
+  init(token: string): Promise<any> {
+    return;
+  }
 
   /**
    *
    * @returns {Promise<any>}
    */
   @Cordova()
-  getSuperProperties(): Promise<any> { return; }
+  getSuperProperties(): Promise<any> {
+    return;
+  }
 
   /**
    *
    * @param superProperties {any}
    * @returns {Promise<any>}
    */
   @Cordova()
-  registerSuperProperties(superProperties: any): Promise<any> { return; }
+  registerSuperProperties(superProperties: any): Promise<any> {
+    return;
+  }
 
   /**
    *
    * @param superProperties {any}
    * @returns {Promise<any>}
    */
   @Cordova()
-  registerSuperPropertiesOnce(superProperties: any): Promise<any> { return; }
+  registerSuperPropertiesOnce(superProperties: any): Promise<any> {
+    return;
+  }
 
   /**
    *
    * @param superPropertyName {string}
    * @returns {Promise<any>}
    */
   @Cordova()
-  unregisterSuperProperty(superPropertyName: string): Promise<any> { return; }
+  unregisterSuperProperty(superPropertyName: string): Promise<any> {
+    return;
+  }
 
   /**
    *
    * @returns {Promise<any>}
    */
   @Cordova()
-  reset(): Promise<any> { return; }
+  reset(): Promise<any> {
+    return;
+  }
 
   /**
    *
    * @param eventName {string}
    * @returns {Promise<any>}
    */
   @Cordova()
-  timeEvent(eventName: string): Promise<any> { return; }
+  timeEvent(eventName: string): Promise<any> {
+    return;
+  }
 
   /**
    *
@@ -128,8 +150,9 @@ export class Mixpanel extends IonicNativePlugin {
     successIndex: 2,
     errorIndex: 3
   })
-  track(eventName: string, eventProperties?: any): Promise<any> { return; }
-
+  track(eventName: string, eventProperties?: any): Promise<any> {
+    return;
+  }
 }
 /**
  * @hidden
@@ -141,45 +164,103 @@ export class Mixpanel extends IonicNativePlugin {
 })
 @Injectable()
 export class MixpanelPeople extends IonicNativePlugin {
+  /**
+   *
+   * @param appendObject {any}
+   * @return {Promise<any>}
+   */
+  @Cordova()
+  append(appendObject: any): Promise<any> {
+    return;
+  }
+
+  /**
+   *
+   * @return {Promise<any>}
+   */
+  @Cordova()
+  deleteUser(): Promise<any> {
+    return;
+  }
 
   /**
    *
    * @param distinctId {string}
    * @return {Promise<any>}
    */
   @Cordova()
-  identify(distinctId: string): Promise<any> { return; }
+  identify(distinctId: string): Promise<any> {
+    return;
+  }
 
   /**
    *
    * @param peopleProperties {string}
    * @return {Promise<any>}
    */
   @Cordova()
-  increment(peopleProperties: any): Promise<any> { return; }
+  increment(peopleProperties: any): Promise<any> {
+    return;
+  }
 
   /**
    *
    * @param pushId
    * @return {Promise<any>}
    */
   @Cordova()
-  setPushId(pushId: string): Promise<any> { return; }
+  setPushId(pushId: string): Promise<any> {
+    return;
+  }
 
   /**
    *
    * @param peopleProperties
    * @return {Promise<any>}
    */
   @Cordova()
-  set(peopleProperties: any): Promise<any> { return; }
+  set(peopleProperties: any): Promise<any> {
+    return;
+  }
 
   /**
    *
-   * @param peopleProperties
+   * @param peopleProperties {any}
    * @return {Promise<any>}
    */
   @Cordova()
-  setOnce(peopleProperties: any): Promise<any> { return; }
+  setOnce(peopleProperties: any): Promise<any> {
+    return;
+  }
 
+  /**
+   *
+   * @param amount {number}
+   * @param chargeProperties
+   * @return {Promise<any>}
+   */
+  @Cordova()
+  trackCharge(amount: number, chargeProperties: any): Promise<any> {
+    return;
+  }
+
+  /**
+   *
+   * @param propertiesArray
+   * @return {Promise<any>}
+   */
+  @Cordova()
+  unset(propertiesArray: Array<string>): Promise<any> {
+    return;
+  }
+
+  /**
+   *
+   * @param unionObject {any}
+   * @return {Promise<any>}
+   */
+  @Cordova()
+  union(unionObject: any): Promise<any> {
+    return;
+  }
 }