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Sleeping
Sleeping
| export enum LogLevel { | |
| DEBUG = 0, | |
| INFO = 1, | |
| WARN = 2, | |
| ERROR = 3, | |
| } | |
| class Logger { | |
| private level: LogLevel = LogLevel.INFO; | |
| public setLevel(level: LogLevel): void { | |
| this.level = level; | |
| } | |
| private formatMessage(level: string, message: string, meta?: any): string { | |
| const timestamp = new Date().toISOString(); | |
| const metaStr = meta ? ` | ${JSON.stringify(meta)}` : ''; | |
| return `[${timestamp}] [${level}] ${message}${metaStr}`; | |
| } | |
| public debug(message: string, meta?: any): void { | |
| if (this.level <= LogLevel.DEBUG) { | |
| console.debug(this.formatMessage('DEBUG', message, meta)); | |
| } | |
| } | |
| public info(message: string, meta?: any): void { | |
| if (this.level <= LogLevel.INFO) { | |
| console.log(this.formatMessage('INFO', message, meta)); | |
| } | |
| } | |
| public warn(message: string, meta?: any): void { | |
| if (this.level <= LogLevel.WARN) { | |
| console.warn(this.formatMessage('WARN', message, meta)); | |
| } | |
| } | |
| public error(message: string, error?: any): void { | |
| if (this.level <= LogLevel.ERROR) { | |
| const meta = error instanceof Error ? { name: error.name, message: error.message, stack: error.stack } : error; | |
| console.error(this.formatMessage('ERROR', message, meta)); | |
| } | |
| } | |
| } | |
| export const logger = new Logger(); | |