Return boolean from DOMTokenList.replace()

Spec change in whatwg/dom#582 Test added in web-platform-tests/wpt#9920
jsdom · Apr 1, 2018 · 7f41ae5 · 7f41ae5
1 parent 8ad6b17
commit 7f41ae5
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/lib/jsdom/living/nodes/DOMTokenList-impl.js b/lib/jsdom/living/nodes/DOMTokenList-impl.js
@@ -144,10 +144,11 @@ class DOMTokenListImpl {
     validateTokens(token, newToken);
     this._syncWithElement();
     if (!this._tokenSet.contains(token)) {
-      return;
+      return false;
     }
     this._tokenSet.replace(token, newToken);
     this._updateSteps();
+    return true;
   }
 
   supports(token) {

diff --git a/lib/jsdom/living/nodes/DOMTokenList.webidl b/lib/jsdom/living/nodes/DOMTokenList.webidl
@@ -6,7 +6,7 @@ interface DOMTokenList {
   [CEReactions] void add(DOMString... tokens);
   [CEReactions] void remove(DOMString... tokens);
   [CEReactions] boolean toggle(DOMString token, optional boolean force);
-  [CEReactions] void replace(DOMString token, DOMString newToken);
+  [CEReactions] boolean replace(DOMString token, DOMString newToken);
   boolean supports(DOMString token);
   [CEReactions] stringifier attribute DOMString value;
   iterable<DOMString>;