fix: fix AsyncLocalStorage injection

Author: hi-ogawa

packages/plugin-rsc/src/plugin.ts

@@ -943,12 +943,13 @@ import.meta.hot.on("rsc:update", () => {
             code.includes('new AsyncLocalStorage()') &&
             !code.includes('__viteRscAyncHooks')
           ) {
-            // for build, we cannot use `import` as it confuses rollup commonjs plugin.
+            // react code can be turned into esm when optimized
+            const [, , , hasModuleSyntax] = esModuleLexer.parse(code)
             return (
-              (this.environment.mode === 'build' && !isRolldownVite
-                ? `const __viteRscAyncHooks = require("node:async_hooks");`
-                : `import * as __viteRscAyncHooks from "node:async_hooks";`) +
-              `globalThis.AsyncLocalStorage = __viteRscAyncHooks.AsyncLocalStorage;` +
+              (hasModuleSyntax
+                ? `import * as __viteRscAsyncHooks from "node:async_hooks";`
+                : `const __viteRscAsyncHooks = require("node:async_hooks");`) +
+              `globalThis.AsyncLocalStorage = __viteRscAsyncHooks.AsyncLocalStorage;` +
               code
             )
           }