egirlskey/packages/backend/src/logger.ts
2022-09-18 03:27:08 +09:00

112 lines
3.9 KiB
TypeScript

import cluster from 'node:cluster';
import chalk from 'chalk';
import { default as convertColor } from 'color-convert';
import { format as dateFormat } from 'date-fns';
import { envOption } from './env.js';
type Domain = {
name: string;
color?: string;
};
type Level = 'error' | 'success' | 'warning' | 'debug' | 'info';
export default class Logger {
private domain: Domain;
private parentLogger: Logger | null = null;
private store: boolean;
private syslogClient: any | null = null;
constructor(domain: string, color?: string, store = true, syslogClient = null) {
this.domain = {
name: domain,
color: color,
};
this.store = store;
this.syslogClient = syslogClient;
}
public createSubLogger(domain: string, color?: string, store = true): Logger {
const logger = new Logger(domain, color, store);
logger.parentLogger = this;
return logger;
}
private log(level: Level, message: string, data?: Record<string, any> | null, important = false, subDomains: Domain[] = [], store = true): void {
if (envOption.quiet) return;
if (!this.store) store = false;
if (level === 'debug') store = false;
if (this.parentLogger) {
this.parentLogger.log(level, message, data, important, [this.domain].concat(subDomains), store);
return;
}
const time = dateFormat(new Date(), 'HH:mm:ss');
const worker = cluster.isPrimary ? '*' : cluster.worker.id;
const l =
level === 'error' ? important ? chalk.bgRed.white('ERR ') : chalk.red('ERR ') :
level === 'warning' ? chalk.yellow('WARN') :
level === 'success' ? important ? chalk.bgGreen.white('DONE') : chalk.green('DONE') :
level === 'debug' ? chalk.gray('VERB') :
level === 'info' ? chalk.blue('INFO') :
null;
const domains = [this.domain].concat(subDomains).map(d => d.color ? chalk.rgb(...convertColor.keyword.rgb(d.color))(d.name) : chalk.white(d.name));
const m =
level === 'error' ? chalk.red(message) :
level === 'warning' ? chalk.yellow(message) :
level === 'success' ? chalk.green(message) :
level === 'debug' ? chalk.gray(message) :
level === 'info' ? message :
null;
let log = `${l} ${worker}\t[${domains.join(' ')}]\t${m}`;
if (envOption.withLogTime) log = chalk.gray(time) + ' ' + log;
console.log(important ? chalk.bold(log) : log);
if (store) {
if (this.syslogClient) {
const send =
level === 'error' ? this.syslogClient.error :
level === 'warning' ? this.syslogClient.warning :
level === 'success' ? this.syslogClient.info :
level === 'debug' ? this.syslogClient.info :
level === 'info' ? this.syslogClient.info :
null as never;
send.bind(this.syslogClient)(message).catch(() => {});
}
}
}
public error(x: string | Error, data?: Record<string, any> | null, important = false): void { // 実行を継続できない状況で使う
if (x instanceof Error) {
data = data ?? {};
data.e = x;
this.log('error', x.toString(), data, important);
} else if (typeof x === 'object') {
this.log('error', `${(x as any).message ?? (x as any).name ?? x}`, data, important);
} else {
this.log('error', `${x}`, data, important);
}
}
public warn(message: string, data?: Record<string, any> | null, important = false): void { // 実行を継続できるが改善すべき状況で使う
this.log('warning', message, data, important);
}
public succ(message: string, data?: Record<string, any> | null, important = false): void { // 何かに成功した状況で使う
this.log('success', message, data, important);
}
public debug(message: string, data?: Record<string, any> | null, important = false): void { // デバッグ用に使う(開発者に必要だが利用者に不要な情報)
if (process.env.NODE_ENV !== 'production' || envOption.verbose) {
this.log('debug', message, data, important);
}
}
public info(message: string, data?: Record<string, any> | null, important = false): void { // それ以外
this.log('info', message, data, important);
}
}