Minor performance improvements

tiny-ben-tran · tiny-ben-tran · commit 23ff0954b85d · 2022-05-11T13:38:21.000+09:30
diff --git a/src/purify.js b/src/purify.js
@@ -897,7 +897,7 @@ function createDOMPurify(window = getGlobal()) {
     }
 
     /* Check if tagname contains Unicode */
-    if (stringMatch(currentNode.nodeName, /[\u0080-\uFFFF]/)) {
+    if (regExpTest(/[\u0080-\uFFFF]/, currentNode.nodeName)) {
       _forceRemove(currentNode);
       return true;
     }
@@ -913,6 +913,7 @@ function createDOMPurify(window = getGlobal()) {
 
     /* Detect mXSS attempts abusing namespace confusion */
     if (
+      currentNode.hasChildNodes() &&
       !_isNode(currentNode.firstElementChild) &&
       (!_isNode(currentNode.content) ||
         !_isNode(currentNode.content.firstElementChild)) &&

Original file line number	Diff line number	Diff line change
`@@ -897,7 +897,7 @@ function createDOMPurify(window = getGlobal()) {`
`897`	`897`	`}`
`898`	`898`
`899`	`899`	`/* Check if tagname contains Unicode */`
`900`		`- if (stringMatch(currentNode.nodeName, /[\u0080-\uFFFF]/)) {`
	`900`	`+ if (regExpTest(/[\u0080-\uFFFF]/, currentNode.nodeName)) {`
`901`	`901`	`_forceRemove(currentNode);`
`902`	`902`	`return true;`
`903`	`903`	`}`
`@@ -913,6 +913,7 @@ function createDOMPurify(window = getGlobal()) {`
`913`	`913`
`914`	`914`	`/* Detect mXSS attempts abusing namespace confusion */`
`915`	`915`	`if (`
	`916`	`+ currentNode.hasChildNodes() &&`
`916`	`917`	`!_isNode(currentNode.firstElementChild) &&`
`917`	`918`	`(!_isNode(currentNode.content) \|\|`
`918`	`919`	`!_isNode(currentNode.content.firstElementChild)) &&`