paytm-blink-checkout-angular

Installation

$ npm install --save paytm-blink-checkout-angular

Supported Angular versions

6 and above

Usage

The paytm-blink-checkout-angular provides a module, component and service to incorporate Paytm Blink Checkout JS library in a project.

In order to make use of paytm-blink-checkout-angular, import CheckoutModule to the modules imports section.

Example

import { CheckoutModule } from 'paytm-blink-checkout-angular';

@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    BrowserModule,
    CheckoutModule
  ],
  bootstrap: [AppComponent]
})
export class AppModule { }

CheckoutService

The service provide methods for setting up Paytm Blink Checkout JS in a project. It sets the Paytm Blink JS instance, which could be retrieved from checkoutJsInstance$ observable from the service. To initialize, one need to call service init method with config and optional openInPopup boolean value. The config argument is mandatory to be passed in order to initialize Paytm React Checkout JS library. In options (optional second argument) following could be passed:

1. openInPopup (optional): To show checkout in popup or not, by default it's value is true.
2. env (optional): To load Paytm Blink Checkout JS from 'STAGE' or 'PROD' env, by default it's value is 'PROD'.
3. checkoutJsInstance (optional): To use existing checkoutjs instance.

The config should be of same format as the Paytm Blink Checkout JS library, which could be checked from this link.

Example

Service could be injected and initialized as follows :

import { Component, OnDestroy } from '@angular/core';
import { CheckoutService } from 'paytm-blink-checkout-angular';
import { Subscription } from 'rxjs';

@Component({
  selector: 'app-root',
  template: ''
})
export class AppComponent implements OnDestroy{
  private subs: Subscription;

  constructor(private readonly checkoutService: CheckoutService) {
    this.checkoutService.init(
      //config
      {
        data: {
          orderId: "test4",
          amount: "3337",
          token: "e334366c509b4294a285a3b42a5659ea1584106015734",
          tokenType: "TXN_TOKEN"
        },
        merchant: {
          mid: "wHNUTH68224456779429",
          name: "Dummy",
          redirect: true
        },
        flow: "DEFAULT",
        handler: {
          notifyMerchant: this.notifyMerchantHandler
        }
      },
      //options
      {
        env: 'PROD', // optional, possible values : STAGE, PROD; default : PROD
        openInPopup: true // optional; default : true
      }
    );

    this.subs = this.checkoutService
      .checkoutJsInstance$
      .subscribe(instance=>console.log(instance));
  }

  notifyMerchantHandler = (eventType, data): void => {
    console.log('MERCHANT NOTIFY LOG', eventType, data);
  }

  ngOnDestroy(): void {
    if (this.subs) {
      this.subs.unsubscribe();
    }
  }
}

CheckoutComponent

The component is responsible for invoking and displaying the payment page. Please make sure to call CheckoutService service init method .

Example

<paytm-checkout></paytm-checkout>