54 lines
1.8 KiB
TypeScript
54 lines
1.8 KiB
TypeScript
import * as cluster from 'cluster';
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import chalk from 'chalk';
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import * as dateformat from 'dateformat';
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export default class Logger {
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private domain: string;
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private color?: string;
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private parentLogger: Logger;
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constructor(domain: string, color?: string) {
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this.domain = domain;
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this.color = color;
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}
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public createSubLogger(domain: string, color?: string): Logger {
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const logger = new Logger(domain, color);
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logger.parentLogger = this;
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return logger;
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}
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public log(level: string, message: string, important = false): void {
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const domain = this.color ? chalk.keyword(this.color)(this.domain) : chalk.white(this.domain);
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if (this.parentLogger) {
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this.parentLogger.log(level, `[${domain}]\t${message}`, important);
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} else {
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const time = dateformat(new Date(), 'HH:MM:ss');
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const process = cluster.isMaster ? '*' : cluster.worker.id;
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const log = `${chalk.gray(time)} ${level} ${process}\t[${domain}]\t${message}`;
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console.log(important ? chalk.bold(log) : log);
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}
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}
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public error(message: string | Error): void { // 実行を継続できない状況で使う
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this.log(chalk.red('ERR '), chalk.red(message.toString()));
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}
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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
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this.log(chalk.yellow('WARN'), chalk.yellow(message), important);
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}
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public succ(message: string, important = false): void { // 何かに成功した状況で使う
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this.log(chalk.green('DONE'), chalk.green(message), important);
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}
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public info(message: string, important = false): void { // それ以外
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this.log(chalk.blue('INFO'), message, important);
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}
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public debug(message: string, important = false): void { // デバッグ用に使う
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if (process.env.NODE_ENV != 'production') {
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this.log(chalk.gray('VERB'), chalk.gray(message), important);
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}
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}
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}
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