fix: restore missing Netlify global type in @netlify/functions

eslint.config.js

@@ -115,6 +115,9 @@ export default tseslint.config(
 
             // Custom assertion functions
             'assertNetlifyToml',
+
+            // Vitest type testing functions
+            'expectTypeOf',
           ],
         },
       ],

packages/functions/src/global-types.test.ts

@@ -0,0 +1,13 @@
+import { describe, test, expectTypeOf } from 'vitest'
+import type { NetlifyGlobal } from '@netlify/types'
+
+// Import the main module to ensure global augmentation is loaded
+import './main.js'
+
+describe('Netlify global type declaration regression test', () => {
+  test('should augment global scope with `Netlify` global', () => {
+    expectTypeOf<typeof Netlify>().toEqualTypeOf<NetlifyGlobal>()
+    expectTypeOf<typeof Netlify>().toHaveProperty('env')
+    expectTypeOf<typeof Netlify>().toHaveProperty('context')
+  })
+})

packages/functions/src/main.ts

@@ -1,3 +1,9 @@
+import type { NetlifyGlobal } from '@netlify/types'
+
+declare global {
+  const Netlify: NetlifyGlobal
+}
+
 export { builder } from './lib/builder.js'
 export { purgeCache } from './lib/purge_cache.js'
 export { schedule } from './lib/schedule.js'