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import * as cluster from 'cluster';
import * as os from 'os';
import chalk from 'chalk';
import * as dateformat from 'dateformat';
import { program } from '../argv';
import { getRepository } from 'typeorm';
import { Log } from '../models/entities/log';
import { genId } from '../misc/gen-id';
type Domain = {
name: string;
color: string;
};
type Level = 'error' | 'success' | 'warning' | 'debug' | 'info';
export default class Logger {
private domain: Domain;
private parentLogger: Logger;
private store: boolean;
constructor(domain: string, color?: string, store = true) {
this.domain = {
name: domain,
color: color,
};
this.store = store;
}
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>, important = false, subDomains: Domain[] = [], store = true): void {
if (program.quiet) return;
if (!this.store) 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.isMaster ? '*' : 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.keyword(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 (program.withLogTime) log = chalk.gray(time) + ' ' + log;
console.log(important ? chalk.bold(log) : log);
if (store) {
const Logs = getRepository(Log);
Logs.insert({
id: genId(),
createdAt: new Date(),
machine: os.hostname(),
worker: worker.toString(),
domain: [this.domain].concat(subDomains).map(d => d.name),
level: level,
message: message,
data: data,
} as Log);
}
}
public error(x: string | Error, data?: Record<string, any>, 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 {
this.log('error', x, data, important);
}
}
public warn(message: string, data?: Record<string, any>, 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>, 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>, 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' || program.verbose) {
this.log('debug', message, data, important);
}
}
public info(message: string, data?: Record<string, any>, important = false): void { // それ以外
this.log('info', message, data, important);
}
}
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