fix(runtime): check for existing overlay element before injecting one (#563)

zouhangwithsweet · web-flow · commit c742e7fd71f3 · 2025-08-25T09:10:01.000+01:00
diff --git a/packages/runtime/src/main.ts b/packages/runtime/src/main.ts
@@ -15,6 +15,8 @@ export function inject({
   base: string
   overlayConfig: Record<string, any>
 }) {
+  if (document.querySelector('vite-plugin-checker-error-overlay')) return
+
   const overlayEle = new ShadowElement({
     base,
     overlayConfig,
