fix(runtime-dom): fix shadowRoot instanceof check in unsupported browsers (#4238)

2021-08-02 21:41:41 +08:00 · 2021-08-02 21:41:41 +08:00 · bc7dd93f92
commit bc7dd93f92
parent d3d5ad204d
1 changed files with 1 additions and 0 deletions
--- a/packages/runtime-dom/src/index.ts
+++ b/packages/runtime-dom/src/index.ts
@ -184,6 +184,7 @@ function normalizeContainer(
  }
  if (
    __DEV__ &&
+    window.ShadowRoot &&
    container instanceof window.ShadowRoot &&
    container.mode === 'closed'
  ) {