simplify babel use for primer

Signed-off-by: Adam Setch <[email protected]>

Author: setchy

babel.config.js

@@ -6,12 +6,5 @@ module.exports = {
         targets: { node: 'current' },
       },
     ],
-    [
-      '@babel/preset-react',
-      {
-        runtime: 'automatic',
-      },
-    ],
-    '@babel/preset-typescript',
   ],
 };

jest.config.ts

@@ -6,10 +6,10 @@ const config: Config = {
   testEnvironment: 'jsdom',
   collectCoverage: true,
   collectCoverageFrom: ['src/**/*', '!**/__snapshots__/**'],
-  // Use ts-jest for TS and babel-jest for JS so we can transpile ESM from node_modules (@primer/react)
+  // Use ts-jest for TS/TSX and babel-jest only for plain JS/ESM (no JSX handled there)
   transform: {
     '^.+\\.(ts|tsx)$': ['ts-jest', { tsconfig: { jsx: 'react-jsx' } }],
-    '^.+\\.(js|jsx|mjs)$': 'babel-jest',
+    '^.+\\.(js|mjs)$': 'babel-jest',
   },
   // Allow transforming specific ESM packages in node_modules
   transformIgnorePatterns: [

package.json

@@ -76,8 +76,6 @@
   "devDependencies": {
     "@babel/core": "7.28.5",
     "@babel/preset-env": "7.28.5",
-    "@babel/preset-react": "7.28.5",
-    "@babel/preset-typescript": "7.28.5",
     "@biomejs/biome": "2.3.4",
     "@discordapp/twemoji": "16.0.1",
     "@electron/notarize": "3.1.1",
@@ -143,4 +141,4 @@
     "*": "biome check --fix --no-errors-on-unmatched",
     "*.{js,ts,tsx}": "pnpm test --findRelatedTests --passWithNoTests --updateSnapshot"
   }
-}
+}