Node.js stdout and stderr redirecting to file.

redirectStdout.js

#!/usr/bin/env node
/* jshint esversion: 6*/


function redirectStdout(logFilePath) {
    const fs = require('fs');

    let access = fs.createWriteStream(logFilePath, { 
        'flags': 'a', 
        'encoding': null, 
        'mode': 0o666
    });
    process.stdout.write = () => {
        let now = Date.now();
        for (let i = 0; i < arguments.length - 1; i++) {
            let lines = arguments[i].split('\n');
            for (let j = 0; j < lines.length - 1; j++) {
                access.write(`${now} LOG: ${lines[j]}\n`);
            }
        }
    };
    process.stderr.write = () => {
        let now = Date.now();
        for (let i = 0; i < arguments.length - 1; i++) {
            let lines = arguments[i].split('\n');
            for (let j = 0; j < lines.length - 1; j++) {
                access.write(`${now} ERR: ${lines[j]}\n`);
            }
        }
    };
    process.on('uncaughtException', function(err) {
        console.error((err && err.stack) ? err.stack : err);
    });    
}



redirectStdout(fs, '/darcy/testlog');

console.log({ a: 'sadasd', l: '90900' });
console.log([1, 3, 7, 8]);
console.log(() => {});
console.log('sadasdasdasdasd');
console.log(`11dfsfsdfsfddsfsdf\n22dasasfsdfas\n33adfsdfsafd`);
console.log(JSON.stringify({ requir: 'qirwporiqwp', consol: '73291873918' }, null, 3));

/*

1528999200035 LOG: { a: 'sadasd', l: '90900' }
1528999200037 LOG: [ 1, 3, 7, 8 ]
1528999200037 LOG: [Function]
1528999200037 LOG: sadasdasdasdasd
1528999200037 LOG: 11dfsfsdfsfddsfsdf
1528999200037 LOG: 22dasasfsdfas
1528999200037 LOG: 33adfsdfsafd
1528999200037 LOG: {
1528999200037 LOG:    "requir": "qirwporiqwp",
1528999200037 LOG:    "consol": "73291873918"
1528999200037 LOG: }

*/