/**
* MCP Config I/O Operations
*/
import path from 'node:path';
import fs from 'node:fs';
import type { MCPConfig } from '../types/index.js';
import {
fileExists,
readJsonFile,
writeJsonFile,
backupFile,
dirExists,
} from './fs.js';
/**
* Read MCP config file
*/
export function readMCPConfig(configPath: string): MCPConfig | null {
if (!fileExists(configPath)) {
return { mcpServers: {} };
}
return readJsonFile<MCPConfig>(configPath);
}
/**
* Write MCP config file with backup
*/
export function writeMCPConfig(
configPath: string,
config: MCPConfig,
createBackup: boolean = true
): { success: boolean; backupPath?: string; error?: string } {
try {
// Create backup if file exists
let backupPath: string | undefined;
if (createBackup && fileExists(configPath)) {
const backup = backupFile(configPath);
if (backup) {
backupPath = backup;
}
}
// Ensure directory exists
const dir = path.dirname(configPath);
if (!dirExists(dir)) {
fs.mkdirSync(dir, { recursive: true });
}
// Write config
const success = writeJsonFile(configPath, config);
if (!success) {
return { success: false, error: 'Failed to write config file' };
}
return { success: true, backupPath };
} catch (error) {
return {
success: false,
error: error instanceof Error ? error.message : 'Unknown error',
};
}
}
