Presuming the match on a character is more eficient than the indexOf …

…here
rrweb-io · Dec 18, 2024 · 339ecdb · 339ecdb
1 parent 76e33d3
commit 339ecdb
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/rrweb-snapshot/src/utils.ts b/packages/rrweb-snapshot/src/utils.ts
@@ -479,9 +479,11 @@ export function splitCssText(
         let j = 3;
         for (; j < textContentNorm.length; j++) {
           if (
+            // keep consuming css identifiers (to get a decent chunk more quickly)
+            textContentNorm[j].match(/[a-zA-Z0-9]/) ||
+            // substring needs to be unique to this section
             textContentNorm.indexOf(textContentNorm.substring(0, j), 1) !== -1
           ) {
-            // substring needs to be unique to this section
             continue;
           }
           break;