🤖 Merge PR DefinitelyTyped#72170 Fixed return type of openOrClosedShadowRoot in @types/chrome by @Anonymous-Humanoid

Author: Anonymous-Humanoid

types/chrome/index.d.ts

@@ -3519,7 +3519,7 @@ declare namespace chrome {
          * Requests chrome to return the open/closed shadow roots else return null.
          * @param element reference of HTMLElement.
          */
-        export function openOrClosedShadowRoot(element: HTMLElement): ShadowRoot;
+        export function openOrClosedShadowRoot(element: HTMLElement): ShadowRoot | null;
     }
 
     ////////////////////

types/chrome/test/index.ts

@@ -5080,3 +5080,8 @@ function testReadingList() {
         onEntryUpdated.hasListeners(); // $ExpectType boolean
     };
 }
+
+// https://developer.chrome.com/docs/extensions/reference/api/dom
+function testDom() {
+    chrome.dom.openOrClosedShadowRoot(document.body); // $ExpectType ShadowRoot | null
+}