Implement logger

log-cool is no longer with Misskey

src/utils/logger.ts

@@ -0,0 +1,16 @@
+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 function log(level: LogLevel, message: string): void {
+	let color = toLevelColor(level);
+	console.log(`[${color.bold(level.toUpperCase())}] ${message}`);
+}