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import chalk from 'chalk';
import * as dateformat from 'dateformat';
export default class Logger {
private domain: string;
private parentLogger: Logger;
constructor(domain: string) {
this.domain = domain;
}
public createSubLogger(domain: string): Logger {
const logger = new Logger(domain);
logger.parentLogger = this;
return logger;
}
public log(level: string, message: string, important = false): void {
if (this.parentLogger) {
this.parentLogger.log(level, `[${this.domain}]\t${message}`, important);
} else {
const time = dateformat(new Date(), 'HH:MM:ss');
const log = `${chalk.gray(time)} ${level} [${this.domain}]\t${message}`;
console.log(important ? chalk.bold(log) : log);
}
}
public error(message: string | Error): void { // 実行を継続できない状況で使う
this.log(chalk.red.bold('ERROR'), chalk.red.bold(message.toString()));
}
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.bold('WARN'), chalk.yellow.bold(message), important);
}
public succ(message: string, important = false): void { // 何かに成功した状況で使う
this.log(chalk.blue.green('DONE'), chalk.green.bold(message), important);
}
public info(message: string, important = false): void { // それ以外
this.log(chalk.blue.bold('INFO'), message, important);
}
}
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