Update utils.js (#3656)

fix when script run with TamperMonkey or GreaseMonkey tag is null
less · Nov 11, 2021 · f613188 · f613188
1 parent 8666b01
commit f613188
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/packages/less/src/less-browser/utils.js b/packages/less/src/less-browser/utils.js
@@ -9,6 +9,7 @@ export function extractId(href) {
 }
 
 export function addDataAttr(options, tag) {
+	if(!tag) return; // in case of tag is null or undefined
     for (const opt in tag.dataset) {
         if (tag.dataset.hasOwnProperty(opt)) {
             if (opt === 'env' || opt === 'dumpLineNumbers' || opt === 'rootpath' || opt === 'errorReporting') {