function splitLineAndColumn(url){const lineColumnRegEx=/(?::(\d+))?(?::(\d+))?$/;const lineColumnMatch=lineColumnRegEx.exec(url);let lineNumber;let columnNumber;if(typeof(lineColumnMatch[1])==='string'){lineNumber=parseInt(lineColumnMatch[1],10);lineNumber=isNaN(lineNumber)?undefined:lineNumber-1;}
if(typeof(lineColumnMatch[2])==='string'){columnNumber=parseInt(lineColumnMatch[2],10);columnNumber=isNaN(columnNumber)?undefined:columnNumber-1;}