I found two ways to create a logger file in the Node js project.
var errLog = `Error :${title} \n ${text} \n \n TimeStamp : ${new Date()} \n ============================== \n\n`;
let dateString = new Date().toISOString();
this.fs.appendFile(`logs/${dateString.split('T')[0]}_error.log`, errLog, function (err) {});
This is how I am using a local logger to store logs.
If there were any other better ways then please share them.