egirlskey/src/utils/logger.ts
2017-05-24 20:50:17 +09:00

53 lines
1.2 KiB
TypeScript

import * as chalk from 'chalk';
export type LogLevel = 'Error' | 'Warn' | 'Info';
function toLevelColor(level: LogLevel): chalk.ChalkStyle {
switch (level) {
case 'Error': return chalk.red;
case 'Warn': return chalk.yellow;
case 'Info': return chalk.blue;
}
}
export default class Logger {
private domain: string;
constructor(domain: string) {
this.domain = domain;
}
public static log(level: LogLevel, message: string): void {
const color = toLevelColor(level);
const time = (new Date()).toLocaleTimeString('ja-JP');
console.log(`[${time} ${color.bold(level.toUpperCase())}]: ${message}`);
}
public static error(message: string): void {
Logger.log('Error', message);
}
public static warn(message: string): void {
Logger.log('Warn', message);
}
public static info(message: string): void {
Logger.log('Info', message);
}
public log(level: LogLevel, message: string): void {
Logger.log(level, `[${this.domain}] ${message}`);
}
public error(message: string): void {
this.log('Error', message);
}
public warn(message: string): void {
this.log('Warn', message);
}
public info(message: string): void {
this.log('Info', message);
}
}