Rocket.Chat/server/lib/logger/getPino.ts

import { pino } from 'pino';
import type { P } from 'pino';

// make sure log queue is set up, so pino uses the overwritten process.stdout.write
import './logQueue';

// add support to multiple params on the log commands, i.e.:
// logger.info('user', Meteor.user()); // will print: {"level":30,"time":1629814080968,"msg":"user {\"username\": \"foo\"}"}
function logMethod(this: P.Logger, args: unknown[], method: any): void {
	if (args.length > 1) {
		args[0] = `${ args[0] }${ ' %j'.repeat(args.length - 1) }`;
	}
	return method.apply(this, args);
}

export function getPino(name: string, level = 'warn'): P.Logger {
	return pino({
		name,
		hooks: { logMethod },
		customLevels: {
			http: 35,
			method: 35,
			subscription: 35,
			startup: 51,
		},
		level,
		timestamp: pino.stdTimeFunctions.isoTime,
		...process.env.NODE_ENV !== 'production' ? { prettyPrint: { colorize: true } } : {},
	});
}