frontend-standards-checker/dist/src/utils/logger.d.ts

A comprehensive frontend standards validation tool with TypeScript support

import type { ILogger, ILogLevel } from '../types/index.js';
/**
 * Logger utility class for structured and leveled logging.
 *
 * Supports four log levels: ERROR, WARN, INFO, and DEBUG. The verbosity of the logger
 * can be controlled via the constructor, affecting the default log level.
 *
 * Provides methods for logging messages at different levels, optionally with additional details.
 * Allows dynamic adjustment of the log level and creation of child loggers with prefixed messages.
 *
 * @example
 * const logger = new Logger(true);
 * logger.info('Application started');
 * logger.debug('Debugging details', { foo: 'bar' });
 *
 * @implements ILogger
 */
export declare class Logger implements ILogger {
    readonly verbose: boolean;
    readonly levels: ILogLevel;
    readonly currentLevel: number;
    constructor(verbose?: boolean);
    /**
     * Log an error message
     * @param message Error message
     * @param details Additional details
     */
    error(message: string, details?: any): void;
    /**
     * Log a warning message
     * @param message Warning message
     * @param details Additional details
     */
    warn(message: string, details?: any): void;
    /**
     * Log an info message
     * @param message Info message
     * @param details Additional details
     */
    info(message: string, details?: any): void;
    /**
     * Log a debug message
     * @param message Debug message
     * @param details Additional details
     */
    debug(message: string, details?: any): void;
    /**
     * Create a child logger with a prefix
     * @param prefix Prefix for log messages
     * @returns New logger instance with prefix
     */
    withPrefix(prefix: string): Logger;
    /**
     * Set log level dynamically
     * @param level New log level
     */
    setLevel(level: keyof ILogLevel): void;
    /**
     * Check if a log level is enabled
     * @param level Log level to check
     * @returns True if level is enabled
     */
    isLevelEnabled(level: keyof ILogLevel): boolean;
}
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