startDevServer.ts•3.12 kB
import { Tool } from '@modelcontextprotocol/sdk/types.js';
import { ProcessManager } from '../components/ProcessManager.js';
import { ProjectScanner } from '../components/ProjectScanner.js';
import { EnvLoader } from '../components/EnvLoader.js';
import { Logger } from '../utils/logger.js';
const logger = Logger.getInstance();
export const startDevServerSchema: Tool = {
name: 'start_dev_server',
description: '指定ディレクトリでnpm run devをバックグラウンドで開始',
inputSchema: {
type: 'object',
properties: {
directory: {
type: 'string',
description: '実行ディレクトリ（オプション、未指定時は自動検出）'
}
},
additionalProperties: false
}
};
export async function startDevServer(args: { directory?: string }): Promise<string> {
try {
logger.info('Starting dev server', { directory: args.directory });
let targetDirectory = args.directory;
let envPath: string | undefined;
// If no directory specified, auto-detect
if (!targetDirectory) {
const scanner = new ProjectScanner();
const bestProject = await scanner.findBestProject();
if (!bestProject) {
return JSON.stringify({
success: false,
message: 'devスクリプトが定義されたpackage.jsonが見つかりませんでした。scan_project_dirsを実行して利用可能なプロジェクトを確認してください。'
});
}
targetDirectory = bestProject.directory;
envPath = bestProject.envPath;
logger.info(`Auto-detected project directory: ${targetDirectory}`);
}
// Load environment variables
const envLoader = new EnvLoader();
const env = await envLoader.prepareEnvironment(envPath);
// Start the dev server
const processManager = ProcessManager.getInstance();
const devProcess = await processManager.startDevServer(targetDirectory, env);
// Wait a moment to get initial status
await new Promise(resolve => setTimeout(resolve, 2000));
const status = await processManager.getStatus();
const result = {
success: true,
message: 'Dev serverが開始されました',
process: {
pid: devProcess.pid,
directory: devProcess.directory,
status: devProcess.status,
startTime: devProcess.startTime,
ports: devProcess.ports
},
environment: {
hasEnvFile: !!envPath,
envPath,
nodeEnv: env.NODE_ENV || 'development'
}
};
if (devProcess.ports.length > 0) {
result.message += `\n起動ポート: ${devProcess.ports.join(', ')}`;
}
logger.info(`Dev server started successfully`, {
pid: devProcess.pid,
ports: devProcess.ports
});
return JSON.stringify(result, null, 2);
} catch (error) {
logger.error('Failed to start dev server', { error });
return JSON.stringify({
success: false,
message: `Dev serverの開始に失敗しました: ${error}`,
error: String(error)
});
}
}