memory-engineering-mcp/dist/utils/logger.js

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import { appendFileSync, existsSync, mkdirSync } from 'fs';
import { join } from 'path';
// Logger that writes to file instead of console (console.log breaks MCP protocol)
class FileLogger {
    logFile;
    constructor() {
        // Use environment variable for log directory, fallback to ./logs
        const logDir = process.env.LOG_DIRECTORY || join(process.cwd(), 'logs');
        if (!existsSync(logDir)) {
            mkdirSync(logDir, { recursive: true });
        }
        this.logFile = join(logDir, `memory-engineering-${new Date().toISOString().split('T')[0]}.log`);
    }
    log(level, message, ...args) {
        const timestamp = new Date().toISOString();
        const logEntry = `[${timestamp}] [${level}] ${message} ${args.length > 0 ? JSON.stringify(args) : ''}\n`;
        try {
            appendFileSync(this.logFile, logEntry);
        }
        catch (error) {
            // Silently fail if we can't write logs
        }
    }
    info(message, ...args) {
        this.log('INFO', message, ...args);
    }
    error(message, ...args) {
        this.log('ERROR', message, ...args);
    }
    warn(message, ...args) {
        this.log('WARN', message, ...args);
    }
    debug(message, ...args) {
        if (process.env.NODE_ENV === 'development') {
            this.log('DEBUG', message, ...args);
        }
    }
}
export const logger = new FileLogger();
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