From 4f4618dc37e50056bd9c4fb4bdb585bfbc4c029f Mon Sep 17 00:00:00 2001
From: DIYgod <i@diygod.me>
Date: Tue, 17 Mar 2026 18:26:42 +0800
Subject: [PATCH] fix(ssr): read injected env in browser

---
 packages/internal/shared/src/env.ssr.ts | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/packages/internal/shared/src/env.ssr.ts b/packages/internal/shared/src/env.ssr.ts
index 995cae2f1..477ee850c 100644
--- a/packages/internal/shared/src/env.ssr.ts
+++ b/packages/internal/shared/src/env.ssr.ts
@@ -40,8 +40,25 @@ function getRuntimeEnv() {
     if (metaEnvIsEmpty()) {
       return process.env
     }
-    return import.meta.env
+    return injectExternalEnv(import.meta.env)
   } catch {
     return process.env
   }
 }
+
+declare const globalThis: any
+function injectExternalEnv<T>(originEnv: T): T {
+  if (!("document" in globalThis)) {
+    return originEnv
+  }
+  const prefix = "__followEnv"
+  const env = globalThis[prefix]
+  if (!env) {
+    return originEnv
+  }
+
+  for (const key in env) {
+    originEnv[key as keyof T] = env[key]
+  }
+  return originEnv
+}