monkeeShark/src/misc/logger.ts
2019-02-04 12:14:07 +09:00

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import * as cluster from 'cluster';
import chalk from 'chalk';
import * as dateformat from 'dateformat';
import { program } from '../argv';
export default class Logger {
private domain: string;
private color?: string;
private parentLogger: Logger;
constructor(domain: string, color?: string) {
this.domain = domain;
this.color = color;
}
public createSubLogger(domain: string, color?: string): Logger {
const logger = new Logger(domain, color);
logger.parentLogger = this;
return logger;
}
private log(level: string, message: string, important = false, subDomains: string[] = []): void {
if (program.quiet) return;
const domain = this.color ? chalk.keyword(this.color)(this.domain) : chalk.white(this.domain);
const domains = [domain].concat(subDomains);
if (this.parentLogger) {
this.parentLogger.log(level, message, important, domains);
} else {
const time = dateformat(new Date(), 'HH:MM:ss');
const process = cluster.isMaster ? '*' : cluster.worker.id;
const log = `${chalk.gray(time)} ${level} ${process}\t[${domains.join(' ')}]\t${message}`;
console.log(important ? chalk.bold(log) : log);
}
}
public error(message: string | Error, important = false): void { // 実行を継続できない状況で使う
this.log(important ? chalk.bgRed.white('ERR ') : chalk.red('ERR '), chalk.red(message.toString()), important);
}
public warn(message: string, important = false): void { // 実行を継続できるが改善すべき状況で使う
this.log(chalk.yellow('WARN'), chalk.yellow(message), important);
}
public succ(message: string, important = false): void { // 何かに成功した状況で使う
this.log(important ? chalk.bgGreen.white('DONE') : chalk.green('DONE'), chalk.green(message), important);
}
public debug(message: string, important = false): void { // デバッグ用に使う(開発者にとっては必要だが利用者にとっては不要な情報)
if (process.env.NODE_ENV != 'production' || program.verbose) {
this.log(chalk.gray('VERB'), chalk.gray(message), important);
}
}
public info(message: string, important = false): void { // それ以外
this.log(chalk.blue('INFO'), message, important);
}
}