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Logger.js
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Logger.js
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class Logger {
log(message, level = 'INFO') {
console.log(`[${this.generateTimestamp()}] [${level}] ${message}`);
}
generateTimestamp() {
const d = new Date();
// Date
const year = d.getFullYear();
const month = this.parseDate(d.getMonth() + 1);
const day = this.parseDate(d.getDate());
// Time
const hour = this.parseDate(d.getHours());
const minutes = this.parseDate(d.getMinutes());
const seconds = this.parseDate(d.getSeconds());
const miliseconds = this.parseDate(d.getMilliseconds(), true);
// Timezone
const tz = -d.getTimezoneOffset() / 60;
return `${year}-${month}-${day} ${hour}:${minutes}:${seconds}.${miliseconds} UTC${
tz >= 0 ? '+' + tz : tz
}`;
}
parseDate(date, ms = false) {
if (ms) {
if (date >= 10 && date < 100) {
return `0${date}`;
} else if (date < 10) {
return `00${date}`;
}
}
return date < 10 ? `0${date}` : date.toString();
}
}
module.exports = Logger;