From 206e1f2cd48b86396f57338ad494da3e1939b647 Mon Sep 17 00:00:00 2001
From: Bjorn Lu <bjornlu.dev@gmail.com>
Date: Thu, 28 Apr 2022 01:06:06 +0800
Subject: [PATCH] docs: clarify loadEnv (#7872)

---
 docs/config/index.md | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/docs/config/index.md b/docs/config/index.md
index aaa5dcd47ad361..7f051399d1a1e7 100644
--- a/docs/config/index.md
+++ b/docs/config/index.md
@@ -94,7 +94,7 @@ If the config needs to call async function, it can export a async function inste
 export default defineConfig(async ({ command, mode }) => {
   const data = await asyncFunction()
   return {
-    // build specific config
+    // vite config
   }
 })
 ```
@@ -109,10 +109,14 @@ Note that Vite doesn't load `.env` files by default as the files to load can onl
 import { defineConfig, loadEnv } from 'vite'
 
 export default defineConfig(({ command, mode }) => {
-  // Load env file based on `mode` in the current working directory
-  const env = loadEnv(mode, process.cwd())
+  // Load env file based on `mode` in the current working directory.
+  // Set the third parameter to '' to load all env regardless of the `VITE_` prefix.
+  const env = loadEnv(mode, process.cwd(), '')
   return {
-    // build specific config
+    // vite config
+    define: {
+      __APP_ENV__: env.APP_ENV
+    }
   }
 })
 ```