docs: typing env vars (#4989)

Co-authored-by: Shinigami <chrissi92@hotmail.de> Co-authored-by: Alex Raihelgaus <alex@thesashka.com>
vitejs · Sep 21, 2021 · 8926c96 · 8926c96
1 parent a85c808
commit 8926c96
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/docs/guide/env-and-mode.md b/docs/guide/env-and-mode.md
@@ -60,10 +60,14 @@ By default, Vite provides type definition for `import.meta.env`. While you can d
 To achieve, you can create an `env.d.ts` in `src` directory, then augment `ImportMetaEnv` like this:
 
 ```typescript
-interface ImportMetaEnv {
-  VITE_APP_TITLE: string
+interface ImportMetaEnv extends Readonly<Record<string, string>> {
+  readonly VITE_APP_TITLE: string
   // more env variables...
 }
+
+interface ImportMeta {
+  readonly env: ImportMetaEnv
+}
 ```
 
 ## Modes