Refactor library definition

commerce_viva.libraries.yml

@@ -1,8 +1,8 @@
-donate-sdk.js:
+donate-sdk:
   js:
     https://www.paypalobjects.com/donate/sdk/donate-sdk.js: { type: external, minified: true }
-donate-sdk-inline.js:
+donate-sdk-inline:
   js:
-    src/assets/js/donate-sdk-inline.js: {}
+    js/donate-sdk-inline.js: {}
   dependencies: 
-    - commerce_viva/donate-sdk.js
+    - commerce_viva/donate-sdk

js/donate-sdk-inline.js

@@ -0,0 +1,11 @@
+(function (PayPal) {
+  PayPal.Donation.Button({
+    env: 'production',
+    hosted_button_id: 'L2PVSYTGQUECW',
+    image: {
+      src: 'https://www.paypalobjects.com/en_US/i/btn/btn_donate_SM.gif',
+      alt: 'Donate with PayPal button',
+      title: 'PayPal - The safer, easier way to pay online!',
+    }
+  }).render('#donate-button');
+})(PayPal);

src/Plugin/Commerce/PaymentGateway/VivaRedirect.php

@@ -156,7 +156,7 @@ public function buildConfigurationForm(array $form, FormStateInterface $form_sta
       'button' => [
         '#type' => 'container',
         '#attributes' => ['id' => 'donate-button'],
-        '#attached' => ['library' => ['commerce_viva/donate-sdk-inline.js']],
+        '#attached' => ['library' => ['commerce_viva/donate-sdk-inline']],
       ],
     ];