make unpaired tags as Set

Author: amitguptagwl

src/xmlparser/OptionsBuilder.js

@@ -142,7 +142,7 @@ export const buildOptions = function (options) {
 
   // Always normalize processEntities for backward compatibility and validation
   built.processEntities = normalizeProcessEntities(built.processEntities);
-
+  built.unpairedTagsSet = new Set(built.unpairedTags);
   // Convert old-style stopNodes for backward compatibility
   if (built.stopNodes && Array.isArray(built.stopNodes)) {
     built.stopNodes = built.stopNodes.map(node => {

src/xmlparser/OrderedObjParser.js

@@ -330,10 +330,10 @@ const parseXml = function (xmlData) {
 
         //check if last tag of nested tag was unpaired tag
         const lastTagName = this.matcher.getCurrentTag();
-        if (tagName && this.options.unpairedTags.indexOf(tagName) !== -1) {
+        if (tagName && this.options.unpairedTagsSet.has(tagName)) {
           throw new Error(`Unpaired tag can not be used as closing tag: </${tagName}>`);
         }
-        if (lastTagName && this.options.unpairedTags.indexOf(lastTagName) !== -1) {
+        if (lastTagName && this.options.unpairedTagsSet.has(lastTagName)) {
           // Pop the unpaired tag
           this.matcher.pop();
           this.tagsNodeStack.pop();
@@ -438,7 +438,7 @@ const parseXml = function (xmlData) {
 
         //check if last tag was unpaired tag
         const lastTag = currentNode;
-        if (lastTag && this.options.unpairedTags.indexOf(lastTag.tagname) !== -1) {
+        if (lastTag && this.options.unpairedTagsSet.has(lastTag.tagname)) {
           currentNode = this.tagsNodeStack.pop();
           this.matcher.pop();
         }
@@ -498,7 +498,7 @@ const parseXml = function (xmlData) {
             i = result.closeIndex;
           }
           //unpaired tag
-          else if (this.options.unpairedTags.indexOf(tagName) !== -1) {
+          else if (this.options.unpairedTagsSet.has(tagName)) {
             i = result.closeIndex;
           }
           //normal tag
@@ -536,7 +536,7 @@ const parseXml = function (xmlData) {
             this.matcher.pop(); // Pop self-closing tag
             this.isCurrentNodeStopNode = false; // Reset flag
           }
-          else if (this.options.unpairedTags.indexOf(tagName) !== -1) {//unpaired tag
+          else if (this.options.unpairedTagsSet.has(tagName)) {//unpaired tag
             const childNode = new xmlNode(tagName);
             if (prefixedAttrs) {
               childNode[":@"] = prefixedAttrs;