refactor: simplify repetition

Author: brettz9

src/rules/checkIndentation.js

@@ -4,15 +4,15 @@ const maskExcludedContent = (str, excludeTags) => {
   const regContent = new RegExp(`([ \\t]+\\*)[ \\t]@(?:${excludeTags.join('|')})(?=[ \\n])([\\w|\\W]*?\\n)(?=[ \\t]*\\*(?:[ \\t]*@|\\/))`, 'gu');
 
   return str.replace(regContent, (_match, margin, code) => {
-    return Array.from({length: code.match(/\n/gu).length + 1}).join(margin + '\n');
+    return (margin + '\n').repeat(code.match(/\n/gu).length);
   });
 };
 
 const maskCodeBlocks = (str) => {
   const regContent = /([ \t]+\*)[ \t]```[^\n]*?([\w|\W]*?\n)(?=[ \t]*\*(?:[ \t]*(?:```|@\w+\s)|\/))/gu;
 
   return str.replace(regContent, (_match, margin, code) => {
-    return Array.from({length: code.match(/\n/gu).length + 1}).join(margin + '\n');
+    return (margin + '\n').repeat(code.match(/\n/gu).length);
   });
 };