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jest.setup.js

@@ -1,54 +1,59 @@
+import { webcrypto } from 'crypto';
+import { TextDecoder, TextEncoder } from 'util';
 import '@testing-library/jest-dom';
 import './src/i18n/config';
 import { installIndexedDBMock } from './test-utils/indexeddb-mock';
 
-// Polyfill crypto.subtle and TextEncoder/TextDecoder for jsdom
-if (typeof globalThis.crypto !== 'undefined' && !globalThis.crypto.subtle) {
-  const { webcrypto } = require('crypto');
-  Object.defineProperty(globalThis, 'crypto', {
-    value: webcrypto,
-    writable: false,
-    configurable: true,
-  });
-}
-const { TextEncoder, TextDecoder } = require('util');
+// jsdom does not provide TextEncoder/TextDecoder globally; back them with Node's.
 if (typeof globalThis.TextEncoder === 'undefined') {
   globalThis.TextEncoder = TextEncoder;
 }
 if (typeof globalThis.TextDecoder === 'undefined') {
   globalThis.TextDecoder = TextDecoder;
 }
 
+// jsdom does not implement the Web Crypto SubtleCrypto API; back it with Node's
+// webcrypto so code paths that encrypt/decrypt (e.g. session storage) work.
+if (typeof globalThis.crypto === 'undefined') {
+  Object.defineProperty(globalThis, 'crypto', { value: webcrypto, configurable: true });
+} else if (!globalThis.crypto.subtle) {
+  try {
+    Object.defineProperty(globalThis.crypto, 'subtle', { value: webcrypto.subtle, configurable: true });
+  } catch {
+    Object.defineProperty(globalThis, 'crypto', { value: webcrypto, configurable: true });
+  }
+}
+
 // Mock File System Access API (showSaveFilePicker)
 if (typeof globalThis.window === 'undefined') {
-	// running in node - provide a minimal window and document
-	globalThis.window = globalThis;
+  // running in node - provide a minimal window and document
+  globalThis.window = globalThis;
 }
 
 if (!('showSaveFilePicker' in globalThis)) {
-	globalThis.showSaveFilePicker = async (options = {}) => {
-		const chunks = [];
-		return {
-			createWritable: async () => ({
-				write: async (data) => {
-					// accept Blob or write request
-					if (data instanceof Blob) {
-						const array = new Uint8Array(await data.arrayBuffer());
-						chunks.push(array);
-					} else if (data && data.data instanceof Blob) {
-						const array = new Uint8Array(await data.data.arrayBuffer());
-						chunks.push(array);
-					}
-				},
-				close: async () => {},
-			}),
-		};
-	};
+  globalThis.showSaveFilePicker = async (options = {}) => {
+    const chunks = [];
+    return {
+      createWritable: async () => ({
+        write: async (data) => {
+          // accept Blob or write request
+          if (data instanceof Blob) {
+            const array = new Uint8Array(await data.arrayBuffer());
+            chunks.push(array);
+          } else if (data && data.data instanceof Blob) {
+            const array = new Uint8Array(await data.data.arrayBuffer());
+            chunks.push(array);
+          }
+        },
+        close: async () => {},
+      }),
+    };
+  };
 }
 
 // Install enhanced IndexedDB mock for tests
 try {
-	installIndexedDBMock();
+  installIndexedDBMock();
 } catch (e) {
-	// ignore if already installed or environment prevents it
+  // ignore if already installed or environment prevents it
 }

package.json

@@ -16,6 +16,7 @@
     "@dnd-kit/core": "^6.3.1",
     "@dnd-kit/sortable": "^10.0.0",
     "@dnd-kit/utilities": "^3.2.2",
+    "@next/swc-win32-x64-msvc": "^14.2.4",
     "@stellar/freighter-api": "^6.0.1",
     "@stellar/stellar-sdk": "^11.3.0",
     "clsx": "^2.1.1",
@@ -59,5 +60,8 @@
     "postcss": "^8.4.38",
     "tailwindcss": "^3.4.4",
     "typescript": "^5.4.5"
+  },
+  "optionalDependencies": {
+    "@next/swc-win32-x64-msvc": "^14.2.4"
   }
 }