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

Hfutsora · web-flow · commit bc7dd93f9223 · 2021-08-02T09:41:41.000-04:00
diff --git 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'
   ) {

Original file line number	Diff line number	Diff line change
`@@ -184,6 +184,7 @@ function normalizeContainer(`
`184`	`184`	`}`
`185`	`185`	`if (`
`186`	`186`	`__DEV__ &&`
	`187`	`+ window.ShadowRoot &&`
`187`	`188`	`container instanceof window.ShadowRoot &&`
`188`	`189`	`container.mode === 'closed'`
`189`	`190`	`) {`