perf: optimize onlyWhyspaceRemainsOnLine helper

marko-js · Feb 9, 2022 · c74da83 · c74da83
1 parent c1bc541
commit c74da83
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/core/Parser.ts b/src/core/Parser.ts
@@ -452,7 +452,13 @@ export class Parser {
   }
 
   onlyWhitespaceRemainsOnLine(offset = 1) {
-    return /^\s*\n/.test(this.substring(this.pos + offset));
+    for (let i = this.pos + offset; i < this.maxPos; i++) {
+      const code = this.data.charCodeAt(i);
+      if (code === CODE.NEWLINE) return true;
+      if (!isWhitespaceCode(code)) break;
+    }
+
+    return false;
   }
 
   consumeWhitespace() {