config.ts•1.91 kB
/**
* Configuration handling for KiCAD MCP server
*/
import { readFile } from 'fs/promises';
import { existsSync } from 'fs';
import { join, dirname } from 'path';
import { fileURLToPath } from 'url';
import { z } from 'zod';
import { logger } from './logger.js';
// Get the current directory
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
// Default config location
const DEFAULT_CONFIG_PATH = join(dirname(__dirname), 'config', 'default-config.json');
/**
* Server configuration schema
*/
const ConfigSchema = z.object({
name: z.string().default('kicad-mcp-server'),
version: z.string().default('1.0.0'),
description: z.string().default('MCP server for KiCAD PCB design operations'),
pythonPath: z.string().optional(),
kicadPath: z.string().optional(),
logLevel: z.enum(['error', 'warn', 'info', 'debug']).default('info'),
logDir: z.string().optional()
});
/**
* Server configuration type
*/
export type Config = z.infer<typeof ConfigSchema>;
/**
* Load configuration from file
*
* @param configPath Path to the configuration file (optional)
* @returns Loaded and validated configuration
*/
export async function loadConfig(configPath?: string): Promise<Config> {
try {
// Determine which config file to load
const filePath = configPath || DEFAULT_CONFIG_PATH;
// Check if file exists
if (!existsSync(filePath)) {
logger.warn(`Configuration file not found: ${filePath}, using defaults`);
return ConfigSchema.parse({});
}
// Read and parse configuration
const configData = await readFile(filePath, 'utf-8');
const config = JSON.parse(configData);
// Validate configuration
return ConfigSchema.parse(config);
} catch (error) {
logger.error(`Error loading configuration: ${error}`);
// Return default configuration
return ConfigSchema.parse({});
}
}