🐛 Improve parse runtime env reading function

packages/env/getRuntimeVariable.ts

@@ -0,0 +1,10 @@
+declare const window: {
+  __ENV?: any
+}
+
+const isBrowser = () => Boolean(typeof window !== 'undefined' && window.__ENV)
+
+export const getRuntimeVariable = (key: string) => {
+  if (isBrowser()) return window.__ENV[key]
+  return process.env[key]
+}