Added type declarations for BLIK payment.

tests/types/src/valid.ts

@@ -1348,6 +1348,28 @@ stripe
   .confirmBancontactPayment('')
   .then((result: {paymentIntent?: PaymentIntent; error?: StripeError}) => null);
 
+stripe
+  .confirmBlikPayment(
+    '',
+    {
+      payment_method: {
+        blik: {},
+        billing_details: {
+          email: '[email protected]',
+        },
+      },
+      payment_method_options: {
+        blik: {
+          code: '123456',
+        },
+      },
+    },
+    {
+      handleActions: false,
+    }
+  )
+  .then((result: {paymentIntent?: PaymentIntent; error?: StripeError}) => null);
+
 stripe
   .confirmBoletoPayment(
     '',

types/stripe-js/payment-intents.d.ts

@@ -20,6 +20,7 @@ export type CreatePaymentMethodData =
   | CreatePaymentMethodAuBecsDebitData
   | CreatePaymentMethodBacsDebitData
   | CreatePaymentMethodBancontactData
+  | CreatePaymentMethodBlikData
   | CreatePaymentMethodBoletoData
   | CreatePaymentMethodCardData
   | CreatePaymentMethodCustomerBalanceData
@@ -89,6 +90,15 @@ export interface CreatePaymentMethodBancontactData
   };
 }
 
+export interface CreatePaymentMethodBlikData extends PaymentMethodCreateParams {
+  type: 'blik';
+
+  /**
+   * Details about the BLIK pament method. Currently there are no supported child attributes for this field.
+   */
+  blik?: {}; // eslint-disable-line @typescript-eslint/ban-types
+}
+
 export interface CreatePaymentMethodBoletoData
   extends PaymentMethodCreateParams {
   type: 'boleto';
@@ -531,6 +541,35 @@ export interface ConfirmBancontactPaymentData
   return_url?: string;
 }
 
+/**
+ * Data to be sent with a `stripe.ConfirmBlikPayment` request.
+ * Refer to the [Payment Intents API](https://stripe.com/docs/api/payment_intents/confirm) for a full list of parameters.
+ */
+export interface ConfirmBlikPaymentData extends PaymentIntentConfirmParams {
+  /**
+   * Either the `id` of an existing [PaymentMethod](https://stripe.com/docs/api/payment_methods), or an object containing data to create a `PaymentMethod` with.
+   * This field is optional if a `PaymentMethod` has already been attached to this `PaymentIntent`.
+   *
+   * @recommended
+   */
+  payment_method?: string | Omit<CreatePaymentMethodBlikData, 'type'>;
+
+  /**
+   * An object containing payment-method-specific configuration to confirm the [PaymentIntent](https://stripe.com/docs/api/payment_intents) with.
+   */
+  payment_method_options: {
+    /**
+     * A configuration for this BLIK payment.
+     */
+    blik: {
+      /**
+       * Your customer's 6-digit BLIK code.
+       */
+      code: string;
+    };
+  };
+}
+
 /**
  * Data to be sent with a `stripe.confirmBoletoPayment` request.
  * Refer to the [Payment Intents API](https://stripe.com/docs/api/payment_intents/confirm) for a full list of parameters.
@@ -598,6 +637,16 @@ export interface ConfirmBancontactPaymentOptions {
   handleActions?: boolean;
 }
 
+/**
+ * An options object to control the behavior of `stripe.confirmBlikPayment`.
+ */
+export interface ConfirmBlikPaymentOptions {
+  /**
+   * Set this to false if you want to manually determine if the confirmation has succeeded or failed.
+   */
+  handleActions?: boolean;
+}
+
 /**
  * Data to be sent with a `stripe.confirmCardPayment` request.
  * Refer to the [Payment Intents API](https://stripe.com/docs/api/payment_intents/confirm) for a full list of parameters.

types/stripe-js/stripe.d.ts

@@ -158,6 +158,18 @@ export interface Stripe {
     options?: paymentIntents.ConfirmBancontactPaymentOptions
   ): Promise<PaymentIntentResult>;
 
+  /**
+   * Use `stripe.confirmBlikPayment` in the [BLIK Payments with Payment Methods](https://stripe.com/docs/payments/blik) flow when the customer submits your payment form.
+   * When called, it will confirm the PaymentIntent with data you provide, and it will automatically prompt the customer to authorize the transaction.
+   *
+   * @docs https://stripe.com/docs/js/payment_intents/confirm_blik_payment
+   */
+  confirmBlikPayment(
+    clientSecret: string,
+    data: paymentIntents.ConfirmBlikPaymentData,
+    options?: paymentIntents.ConfirmBlikPaymentOptions
+  ): Promise<PaymentIntentResult>;
+
   /**
    * Use `stripe.confirmBoletoPayment` in the [Boleto Payment](https://stripe.com/docs/payments/boleto) with Payment Methods flow when the customer submits your payment form.
    * When called, it will confirm the [PaymentIntent](https://stripe.com/docs/api/payment_intents) with `data` you provide.