feat: add ambient type declarations for Netlify.env (#428)

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Author: lukasholzer

package.json

@@ -6,7 +6,8 @@
   "description": "JavaScript utilities for Netlify Functions",
   "files": [
     "dist/**/*.js",
-    "dist/**/*.d.ts"
+    "dist/**/*.d.ts",
+    "types/**/*.d.ts"
   ],
   "scripts": {
     "build": "tsc",

types/index.d.ts

@@ -0,0 +1,6 @@
+import type { getNetlifyGlobal } from '@netlify/serverless-functions-api'
+
+// Ambient type declarations
+declare global {
+  const Netlify: ReturnType<typeof getNetlifyGlobal>
+}