@ingridsandev/chatbot-widget/src/utils/logger.js

A framework-agnostic chatbot widget using Web Components

class Logger {
  constructor(prefix = 'ChatbotWidget') {
    this.prefix = prefix;
    this.logLevel = this.getLogLevel();
  }

  getLogLevel() {
    if (typeof window !== 'undefined' && window.localStorage) {
      const level = localStorage.getItem('chatbot-log-level');
      if (level) return level;
    }
    return process.env.NODE_ENV === 'development' ? 'debug' : 'warn';
  }

  formatMessage(level, message, ...args) {
    const timestamp = new Date().toISOString();
    return [`[${timestamp}] ${this.prefix} [${level.toUpperCase()}]:`, message, ...args];
  }

  debug(message, ...args) {
    if (this.shouldLog('debug')) {
      console.debug(...this.formatMessage('debug', message, ...args));
    }
  }

  info(message, ...args) {
    if (this.shouldLog('info')) {
      console.info(...this.formatMessage('info', message, ...args));
    }
  }

  warn(message, ...args) {
    if (this.shouldLog('warn')) {
      console.warn(...this.formatMessage('warn', message, ...args));
    }
  }

  error(message, ...args) {
    if (this.shouldLog('error')) {
      console.error(...this.formatMessage('error', message, ...args));
    }
  }

  shouldLog(level) {
    const levels = ['debug', 'info', 'warn', 'error'];
    const currentLevelIndex = levels.indexOf(this.logLevel);
    const messageLevelIndex = levels.indexOf(level);
    return messageLevelIndex >= currentLevelIndex;
  }
}

export default new Logger();