/**
* Logger for KiCAD MCP server
*/
import { existsSync, mkdirSync, appendFileSync } from 'fs';
import { join } from 'path';
import * as os from 'os';
// Default log directory
const DEFAULT_LOG_DIR = join(os.homedir(), '.kicad-mcp', 'logs');
/**
* Logger class for KiCAD MCP server
*/
class Logger {
constructor() {
this.logLevel = 'info';
this.logDir = DEFAULT_LOG_DIR;
}
/**
* Set the log level
* @param level Log level to set
*/
setLogLevel(level) {
this.logLevel = level;
}
/**
* Set the log directory
* @param dir Directory to store log files
*/
setLogDir(dir) {
this.logDir = dir;
// Ensure log directory exists
if (!existsSync(this.logDir)) {
mkdirSync(this.logDir, { recursive: true });
}
}
/**
* Log an error message
* @param message Message to log
*/
error(message) {
this.log('error', message);
}
/**
* Log a warning message
* @param message Message to log
*/
warn(message) {
if (['error', 'warn', 'info', 'debug'].includes(this.logLevel)) {
this.log('warn', message);
}
}
/**
* Log an info message
* @param message Message to log
*/
info(message) {
if (['info', 'debug'].includes(this.logLevel)) {
this.log('info', message);
}
}
/**
* Log a debug message
* @param message Message to log
*/
debug(message) {
if (this.logLevel === 'debug') {
this.log('debug', message);
}
}
/**
* Log a message with the specified level
* @param level Log level
* @param message Message to log
*/
log(level, message) {
const timestamp = new Date().toISOString();
const formattedMessage = `[${timestamp}] [${level.toUpperCase()}] ${message}`;
// Log to console
switch (level) {
case 'error':
console.error(formattedMessage);
break;
case 'warn':
console.warn(formattedMessage);
break;
case 'info':
case 'debug':
default:
console.log(formattedMessage);
break;
}
// Log to file
try {
// Ensure log directory exists
if (!existsSync(this.logDir)) {
mkdirSync(this.logDir, { recursive: true });
}
const logFile = join(this.logDir, `kicad-mcp-${new Date().toISOString().split('T')[0]}.log`);
appendFileSync(logFile, formattedMessage + '\n');
}
catch (error) {
console.error(`Failed to write to log file: ${error}`);
}
}
}
// Create and export logger instance
export const logger = new Logger();
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