Add babel

babel.config.js

@@ -0,0 +1,5 @@
+module.exports = {
+  presets: [
+    ['@babel/preset-env', { targets: { node: 'current' } }],
+  ],
+};

jest.config.js

@@ -1,5 +1,8 @@
 /** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
 module.exports = {
   preset: 'ts-jest',
-  testEnvironment: 'node',
+  transform: {
+    '^.+\\.jsx?$': 'babel-jest'
+  },
+  testEnvironment: 'node'
 };

package.json

@@ -25,19 +25,21 @@
   },
   "homepage": "https://github.com/actions/go-dependency-submission#readme",
   "devDependencies": {
+    "@babel/core": "^7.26.10",
+    "@babel/preset-env": "^7.26.9",
     "@types/jest": "^27.5.2",
     "@typescript-eslint/eslint-plugin": "^5.20.0",
     "@typescript-eslint/parser": "^5.20.0",
     "@vercel/ncc": "^0.33.4",
+    "babel-jest": "^29.7.0",
     "eslint": "^8.13.0",
     "eslint-config-standard": "^17.0.0",
     "eslint-plugin-import": "^2.26.0",
     "eslint-plugin-jest": "^26.5.3",
     "eslint-plugin-n": "^15.1.0",
     "eslint-plugin-promise": "^6.0.0",
-    "jest": "^28.0.0",
     "prettier": "^3.5.3",
-    "ts-jest": "^28.0.4",
+    "ts-jest": "^29.0.0",
     "typescript": "^4.6.4"
   },
   "dependencies": {