[SYNC] feat: allow custom vite env prefix (#4676)

[github-actions]

feat: allow custom vite env prefix (#4676) (dfdb9cc)

---

+++ b/docs/config/index.md
@@ -333,6 +333,18 @@ export default defineConfig(async ({ command, mode }) => {
See [here](/guide/env-and-mode#env-files) for more about environment files.
+### envPrefix
+
+- **Type:** `string | string[]`
+- **Default:** `VITE_`
+
+  Env variables starts with `envPrefix` will be exposed to your client source code via import.meta.env.
+
+:::warning SECURITY NOTES
+
+- `envPrefix` should not be set as `''`, which will expose all your env variables and cause unexpected leaking of of sensitive information. Vite will throw error when detecting `''`.
+  :::
+
## Server Options
### server.host