From f53a93ea137b3a184f91f9a0e72a8c5eb1e790fc Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Sun, 3 Feb 2019 01:39:42 +0900
Subject: [PATCH] Better logger

---
 src/index.ts       |  6 +++---
 src/misc/logger.ts | 13 ++++++++-----
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index 8ec8a2744b..ab0ca1ce7d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -25,9 +25,9 @@ import { Config } from './config/types';
 import { lessThan } from './prelude/array';
 import * as pkg from '../package.json';
 
-const logger = new Logger('core');
-const bootLogger = logger.createSubLogger('boot');
-const clusterLog = logger.createSubLogger('cluster');
+const logger = new Logger('core', 'cyan');
+const bootLogger = logger.createSubLogger('boot', 'magenta');
+const clusterLog = logger.createSubLogger('cluster', 'orange');
 const ev = new Xev();
 
 if (process.env.NODE_ENV != 'production' && process.env.DEBUG == null) {
diff --git a/src/misc/logger.ts b/src/misc/logger.ts
index 2ca79dd4b6..bfdb48c646 100644
--- a/src/misc/logger.ts
+++ b/src/misc/logger.ts
@@ -3,24 +3,27 @@ import * as dateformat from 'dateformat';
 
 export default class Logger {
 	private domain: string;
+	private color?: string;
 	private parentLogger: Logger;
 
-	constructor(domain: string) {
+	constructor(domain: string, color?: string) {
 		this.domain = domain;
+		this.color = color;
 	}
 
-	public createSubLogger(domain: string): Logger {
-		const logger = new Logger(domain);
+	public createSubLogger(domain: string, color?: string): Logger {
+		const logger = new Logger(domain, color);
 		logger.parentLogger = this;
 		return logger;
 	}
 
 	public log(level: string, message: string, important = false): void {
+		const domain = this.color ? chalk.keyword(this.color)(this.domain) : chalk.white(this.domain);
 		if (this.parentLogger) {
-			this.parentLogger.log(level, `[${this.domain}]\t${message}`, important);
+			this.parentLogger.log(level, `[${domain}]\t${message}`, important);
 		} else {
 			const time = dateformat(new Date(), 'HH:MM:ss');
-			const log = `${chalk.gray(time)} ${level} [${this.domain}]\t${message}`;
+			const log = `${chalk.gray(time)} ${level} [${domain}]\t${message}`;
 			console.log(important ? chalk.bold(log) : log);
 		}
 	}