@suthio/redash-mcp/dist/logger.js

MCP server for Redash integration

// Custom logger for the Redash MCP server
/**
 * Log levels supported by MCP
 */
export var LogLevel;
(function (LogLevel) {
    LogLevel["DEBUG"] = "debug";
    LogLevel["INFO"] = "info";
    LogLevel["NOTICE"] = "notice";
    LogLevel["WARNING"] = "warning";
    LogLevel["ERROR"] = "error";
    LogLevel["CRITICAL"] = "critical";
    LogLevel["ALERT"] = "alert";
    LogLevel["EMERGENCY"] = "emergency";
})(LogLevel || (LogLevel = {}));
/**
 * Logger class that outputs to both console and can send notifications to clients
 */
export class Logger {
    server = null;
    /**
     * Sets the MCP server instance to enable sending log notifications
     */
    setServer(server) {
        this.server = server;
    }
    /**
     * Log a debug message
     */
    debug(message) {
        this.log(LogLevel.DEBUG, message);
    }
    /**
     * Log an info message
     */
    info(message) {
        this.log(LogLevel.INFO, message);
    }
    /**
     * Log a warning message
     */
    warning(message) {
        this.log(LogLevel.WARNING, message);
    }
    /**
     * Log an error message
     */
    error(message) {
        this.log(LogLevel.ERROR, message);
    }
    /**
     * Log a message with the specified level
     */
    log(level, message) {
        // Always output to stderr for local debugging
        console.error(`[${level.toUpperCase()}] ${message}`);
        // If server is set and supports logging notifications, send them
        if (this.server && typeof this.server.notification === 'function') {
            try {
                this.server.notification({
                    method: "notifications/logging",
                    params: {
                        level: level,
                        data: message
                    }
                });
            }
            catch (err) {
                // If notification fails, just log to console
                console.error(`Failed to send log notification: ${err}`);
            }
        }
    }
}
// Export a singleton instance
export const logger = new Logger();