update caller instance

src/index.ts

@@ -3,28 +3,22 @@ import {
   StripeConstructorOptions,
   Stripe as StripeDefault,
 } from "@stripe/stripe-js";
-import { AdditionalMethods } from "./methods";
-import { setApiKey } from "./utils/store";
+import { RemedyProductStripe } from "./methods/index";
 
 /**
  * Stripe default interface
  */
-interface StripeDefaultWithInternal extends StripeDefault {
+export interface StripeDefaultWithInternal extends StripeDefault {
   /**
    * Stripe api key after initialization, like pk_...
    */
   _apiKey: string;
 }
 
 /**
- * Stripe patched interface
+ * Stripe patched library
  */
-export interface Stripe extends StripeDefaultWithInternal, AdditionalMethods {}
-
-/**
- *  Stripe liblary
- */
-let stripe: Stripe;
+export interface Stripe extends RemedyProductStripe, StripeDefault {}
 
 /**
  * Initialize stripe
@@ -37,8 +31,6 @@ export const loadStripe = async (
   publishableKey: string,
   options: StripeConstructorOptions | undefined
 ) => {
-  if (stripe) throw new Error("Already initialized.");
-
   const stripeDefault: StripeDefault | null = await loadStripeDefault(
     publishableKey,
     options
@@ -48,15 +40,9 @@ export const loadStripe = async (
     typeof (stripeDefault as StripeDefaultWithInternal)?._apiKey !== "string"
   )
     throw new Error("Initialization error.");
-  const apiKey = (stripeDefault as StripeDefaultWithInternal)._apiKey;
-  setApiKey(apiKey);
-  const methods = new AdditionalMethods();
-
-  stripe = {
-    _apiKey: apiKey,
-    ...stripeDefault,
-    ...methods,
-  };
-
+  const remedyProductStripe = new RemedyProductStripe(
+    (stripeDefault as StripeDefaultWithInternal)._apiKey
+  );
+  const stripe: Stripe = Object.assign(remedyProductStripe, stripeDefault);
   return stripe;
 };

src/methods/addSourceToCustomer.ts

@@ -1,7 +1,7 @@
 import { Card } from "@stripe/stripe-js";
 import { responseHandler } from "../utils/handlers";
 import { stripeApiUrl, stripeApiVersion } from "../utils/constants";
-import { getApiKey } from "../utils/store";
+import { RemedyProductStripe } from "./index";
 
 /**
  * Add payment method to customer (from source or token).
@@ -11,12 +11,15 @@ import { getApiKey } from "../utils/store";
  * @param customerEphemeralKey - customer ephemeral key
  * @returns
  */
-export const addSourceToCustomer = async (
+export const addSourceToCustomer = async function (
+  this: RemedyProductStripe,
   token: string,
   customerId: string,
   customerEphemeralKey: string
-): Promise<Card | undefined> => {
-  const stripeApiKey = getApiKey() as string;
+): Promise<Card | undefined> {
+  /* eslint-disable */
+  const stripeApiKey = this._apiKey;
+  /* eslint-enable */
   if (typeof stripeApiKey !== "string")
     throw new Error("Initialization failed.");
 

src/methods/confirmPaymentIntentByCard.ts

@@ -1,7 +1,7 @@
 import { PaymentIntentResult } from "@stripe/stripe-js";
 import { responseHandler } from "../utils/handlers";
 import { stripeApiUrl, stripeApiVersion } from "../utils/constants";
-import { getApiKey } from "../utils/store";
+import { RemedyProductStripe } from "./index";
 
 /**
  * Confirm payment intent by customer's card
@@ -10,11 +10,14 @@ import { getApiKey } from "../utils/store";
  * @param paymentMethodId - stripe customer payment method id (see: https://stripe.com/docs/api/cards/object#card_object-id)
  * @returns
  */
-export const confirmPaymentIntentByCard = async (
+export const confirmPaymentIntentByCard = async function (
+  this: RemedyProductStripe,
   paymentIntentSecret: string,
   paymentMethodId: string
-): Promise<PaymentIntentResult["paymentIntent"] | undefined> => {
-  const stripeApiKey = getApiKey() as string;
+): Promise<PaymentIntentResult["paymentIntent"] | undefined> {
+  /* eslint-disable */
+  const stripeApiKey = this._apiKey;
+  /* eslint-enable */
   if (typeof stripeApiKey !== "string")
     throw new Error("Initialization failed.");
 

src/methods/deleteSourceFromCustomer.ts

@@ -1,7 +1,7 @@
 import { Card } from "@stripe/stripe-js";
 import { responseHandler } from "../utils/handlers";
 import { stripeApiUrl, stripeApiVersion } from "../utils/constants";
-import { getApiKey } from "../utils/store";
+import { RemedyProductStripe } from "./index";
 
 /**
  * Delete payment method from customer.
@@ -11,12 +11,15 @@ import { getApiKey } from "../utils/store";
  * @param customerEphemeralKey - customer ephemeral key
  * @returns
  */
-export const deleteSourceFromCustomer = async (
+export const deleteSourceFromCustomer = async function (
+  this: RemedyProductStripe,
   sourceId: string,
   customerId: string,
   customerEphemeralKey: string
-): Promise<Card | undefined> => {
-  const stripeApiKey = getApiKey() as string;
+): Promise<Card | undefined> {
+  /* eslint-disable */
+  const stripeApiKey = this._apiKey;
+  /* eslint-enable */
   if (typeof stripeApiKey !== "string")
     throw new Error("Initialization failed.");
 

src/methods/index.ts

@@ -5,7 +5,11 @@ import { deleteSourceFromCustomer } from "./deleteSourceFromCustomer";
 /**
  * additional stripe methods
  */
-export class AdditionalMethods {
+export class RemedyProductStripe {
+  constructor(apiKey: string) {
+    this._apiKey = apiKey;
+  }
+  public _apiKey: string;
   public confirmPaymentIntentByCard = confirmPaymentIntentByCard;
   public addSourceToCustomer = addSourceToCustomer;
   public deleteSourceFromCustomer = deleteSourceFromCustomer;