Fix for rrweb-io#816 - avoid triggering a CSP (content security polic…

…y) error with `.setAttribute('style')`
statcounter · Mar 3, 2022 · 92febda · 92febda
1 parent bd144be
commit 92febda
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/packages/rrweb/src/record/mutation.ts b/packages/rrweb/src/record/mutation.ts
@@ -426,6 +426,7 @@ export default class MutationBuffer {
     if (isIgnored(m.target)) {
       return;
     }
+    const unattachedDoc = new Document();  // avoid upsetting original document from a Content Security point of view
     switch (m.type) {
       case 'characterData': {
         const value = m.target.textContent;
@@ -472,7 +473,7 @@ export default class MutationBuffer {
           this.attributes.push(item);
         }
         if (m.attributeName === 'style') {
-          const old = this.doc.createElement('span');
+          const old = unattachedDoc.createElement('span');
           if (m.oldValue) {
             old.setAttribute('style', m.oldValue);
           }