Update logger

src/utils/check-dependencies.ts

@@ -1,4 +1,4 @@
-import { log } from './logger';
+import Logger from './logger';
 import { exec } from 'shelljs';
 
 export default function(): void {
@@ -14,9 +14,10 @@ function checkDependency(serviceName: string, command: string, transform: (x: st
 		notFound: 127
 	};
 	const x = exec(command, { silent: true }) as any;
+	let depsLogger = new Logger('Deps');
 	if (x.code === code.success) {
-		log('Info', `${serviceName} ${transform(x.stdout)} found`, 'Deps');
+		depsLogger.info(`${serviceName} ${transform(x.stdout)} found`);
 	} else if (x.code === code.notFound) {
-		log('Warn', `${serviceName} not found`, 'Deps');
+		depsLogger.warn(`${serviceName} not found`);
 	}
 }

src/utils/logger.ts

@@ -10,17 +10,44 @@ function toLevelColor(level: LogLevel): chalk.ChalkStyle {
 	}
 }
 
-export function log(message: string): void;
-export function log(level: LogLevel, message: string): void;
-export function log(level: LogLevel, message: string, domain: string): void;
-export function log(x: string | LogLevel, message?: string, domain?: string): void {
-	const level = typeof message == 'undefined' ? 'Info' : x as LogLevel;
-	message = typeof message == 'undefined' ? x : message;
-	if (typeof domain == 'string') {
-		log(level, `[${domain}] ${message}`);
-	} else {
+export default class Logger {
+	domain: string;
+
+	static log(level: LogLevel, message: string): void {
 		let color = toLevelColor(level);
 		let time = (new Date()).toLocaleTimeString('ja-JP');
 		console.log(`[${time} ${color.bold(level.toUpperCase())}]: ${message}`);
 	}
+
+	static error(message: string): void {
+		Logger.log('Error', message);
+	}
+
+	static warn(message: string): void {
+		Logger.log('Warn', message);
+	}
+
+	static info(message: string): void {
+		Logger.log('Info', message);
+	}
+
+	constructor(domain: string) {
+		this.domain = domain;
+	}
+
+	log(level: LogLevel, message: string): void {
+		Logger.log(level, `[${this.domain}] ${message}`);
+	}
+
+	error(message: string): void {
+		this.log('Error', message);
+	}
+
+	warn(message: string): void {
+		this.log('Warn', message);
+	}
+
+	info(message: string): void {
+		this.log('Info', message);
+	}
 }