Add support to retriveSource() method from stripe.js

Author: Mauricio Klein

dist/index.js

@@ -15,5 +15,6 @@ module.exports = {
   baseStyle,
   get instance() { return Stripe.instance },
   get createToken() { return Stripe.createToken },
-  get createSource() { return Stripe.createSource }
+  get createSource() { return Stripe.createSource },
+  get retrieveSource() { return Stripe.retrieveSource }
 }

package-lock.json

@@ -2,6 +2,7 @@ export const Stripe = {
   instance: null,
   createToken: null,
   createSource: null,
+  retrieveSource: null,
   elements: null
 }
 
@@ -48,6 +49,7 @@ export function create(elementType, key_or_stripe, options = {}) {
 
   Stripe.createToken = (options) => Stripe.instance.createToken(element, options)
   Stripe.createSource = (options) => Stripe.instance.createSource(element, options)
+  Stripe.retrieveSource = (options) => Stripe.instance.retrieveSource(options)
 
   return element
 }
@@ -57,4 +59,5 @@ export function destroy() {
     Stripe.elements = null
     Stripe.createToken = null
     Stripe.createSource = null
+    Stripe.retrieveSource = null
 }