@athenna/logger/src/formatters/JsonFormatter.js

The Athenna logging solution. Log in stdout, files and buckets.

/**
 * @athenna/logger
 *
 * (c) João Lenon <lenon@athenna.io>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
import { Is } from '@athenna/common';
import { Formatter } from '#src/formatters/Formatter';
export class JsonFormatter extends Formatter {
    format(message) {
        const base = {
            level: this.level(),
            time: Date.now(),
            pid: this.pid(),
            hostname: this.hostname(),
            traceId: this.traceId()
        };
        if (Is.String(message)) {
            base.msg = message;
            return JSON.stringify(base);
        }
        return JSON.stringify({ ...base, ...message });
    }
}