feat(iamport-cordova): add iamport-cordova plugin on ionic-native (#3285)

* feat(iamport-cordova): add iamport-cordova plugin on ionic-native

* Update index.ts

* document cordova functions specifically

* fix lint error

* add document befroe function declarations

* Update index.ts

Co-authored-by: Daniel Sogl <daniel@sogls.de>

src/@ionic-native/plugins/iamport-cordova/index.ts

@@ -0,0 +1,113 @@
+import { Injectable } from '@angular/core';
+import { Plugin, Cordova, IonicNativePlugin } from '@ionic-native/core';
+
+declare const cordova: Cordova & { plugins: any };
+
+export interface PaymentObject {
+  title?: TitleData;        // webview title data
+  userCode: string;         // user identification code
+  data: PaymentData;        // payment data
+  callback: any;            // callback function after payment
+}
+
+export interface CertificationObject {
+  title?: TitleData;        // webview title data
+  userCode: string;         // user identification code
+  data: CertificationData;  // certification data
+  callback: any;            // callback function after certification
+}
+
+export interface TitleData {
+  name?: string;            // webview title name
+  color?: string;           // webview title background color
+}
+
+export interface PaymentData {
+  pg?: string;              // payment gateway type
+  pay_method?: string;      // payment method
+  name: string;             // name of order
+  merchant_uid?: string;    // unique merchant id
+  amount: string;           // payment amount
+  buyer_name?: string;      // buyer name
+  buyer_tel?: string;       // buyer contact
+  buyer_email?: string;     // buyer email address
+  buyer_addr?: string;      // buyer address
+  buyer_postcode?: string;  // buyer postcode
+  app_scheme: string;       // custom app url scheme
+  custom_data?: any;        // custom data
+  notice_url?: string;      // notification url
+  escrow?: boolean;         // whether the type of this order is escrow
+  digital?: boolean;        // whether this order is for real products or contents
+  display?: {
+    card_quota?: [number];  // credit card installment setting value
+  };
+  currency?: string;        // payment currency
+  customer_uid?: string;    // unique customer id for subscription payments
+  tax_free?: string;        // tax amount
+  language?: string;        // language type
+  vbank_due?: string;       // vbank due date
+  biz_num?: string;         // business number
+}
+
+export interface CertificationData {
+  company?: string;         // company name
+  phone?: string;           // cell phone number
+  name?: string;            // name
+  carrier?: string;         // carrier code
+  birth?: string;           // birth date
+  merchant_uid?: string;    // unique merchant id
+  min_age?: string;         // minimum age to allow certification
+  popup?: boolean;          // whether the webview is popup
+}
+
+/**
+ * @name Iamport Cordova
+ * @description
+ * This plugin does something
+ *
+ * @usage
+ * ```typescript
+ * import { IamportCordova } from '@ionic-native/iamport-cordova/ngx';
+ *
+ *
+ * constructor(private iamportCordova: IamportCordova) { }
+ *
+ * ...
+ *
+ *
+ * this.iamportCordova.functionName('Hello', 123)
+ *   .then((res: any) => console.log(res))
+ *   .catch((error: any) => console.error(error));
+ *
+ * ```
+ */
+@Plugin({
+  pluginName: 'IamportCordova',
+  plugin: 'iamport-cordova',
+  pluginRef: 'cordova.plugins.IamportCordova',
+  repo: 'https://github.com/iamport/iamport-cordova',
+  platforms: ['ios', 'android']
+})
+@Injectable()
+export class IamportCordova extends IonicNativePlugin {
+
+  /**
+   * This function is to load a webview of a payment gateway to pay for something
+   * @param paymentObject {PaymentObject} Payment data to set the payment webview
+   * @return {Promise<any>} A callback function of the payment data is triggered when the webview is closed
+   */
+  @Cordova()
+  payment(paymentObject: PaymentObject): Promise<any> {
+    return cordova.plugins.IamportCordova.payment(paymentObject);
+  }
+
+  /**
+   * This function is to load a webview for identification with carrier type(like Verizon), name and phone number
+   * @param certificationObject {CertificationObject} Certification data to set the certification webview
+   * @return {Promise<any>} A callback function of the certification data is triggered when the webview is closed
+   */
+  @Cordova()
+  certification(certificationObject: CertificationObject): Promise<any> {
+    return cordova.plugins.IamportCordova.certification(certificationObject);
+  }
+}