ProjectContextManager.ts•3.42 kB
import path from 'path';
import { fileExists, readJsonFile, findUpwards } from '../utils/fileSystem.js';
import { Logger } from '../utils/logger.js';
export interface ProjectContext {
rootDirectory: string;
packageJson?: any;
envPath?: string;
projectName: string;
}
export class ProjectContextManager {
private static instance: ProjectContextManager;
private context: ProjectContext | null = null;
private logger = Logger.getInstance();
static getInstance(): ProjectContextManager {
if (!ProjectContextManager.instance) {
ProjectContextManager.instance = new ProjectContextManager();
}
return ProjectContextManager.instance;
}
async initialize(rootDir: string = process.cwd()): Promise<void> {
this.logger.info(`Initializing project context from ${rootDir}`);
try {
// package.jsonを探す
const packageJsonPath = await findUpwards(rootDir, 'package.json');
let packageJson: any = null;
let actualRootDir = rootDir;
if (packageJsonPath) {
packageJson = await readJsonFile(packageJsonPath);
actualRootDir = path.dirname(packageJsonPath);
this.logger.debug(`Found package.json at ${packageJsonPath}`);
}
// .envファイルを探す
const envPath = await this.findEnvFile(actualRootDir);
// プロジェクト名を生成
const projectName = this.generateProjectName(actualRootDir, packageJson);
this.context = {
rootDirectory: actualRootDir,
packageJson,
envPath,
projectName
};
this.logger.info(`Project context initialized: ${projectName} at ${actualRootDir}`);
} catch (error) {
this.logger.error('Failed to initialize project context', { error });
// エラーでもデフォルトコンテキストを作成
this.context = {
rootDirectory: rootDir,
projectName: this.generateProjectName(rootDir, null)
};
}
}
getContext(): ProjectContext {
if (!this.context) {
throw new Error('ProjectContextManager not initialized. Call initialize() first.');
}
return this.context;
}
isInitialized(): boolean {
return this.context !== null;
}
private async findEnvFile(directory: string): Promise<string | undefined> {
const envFiles = ['.env', '.env.local', '.env.development'];
for (const envFile of envFiles) {
const envPath = path.join(directory, envFile);
if (await fileExists(envPath)) {
this.logger.debug(`Found env file: ${envPath}`);
return envPath;
}
}
return undefined;
}
private generateProjectName(directory: string, packageJson: any): string {
// package.jsonからプロジェクト名を取得
if (packageJson && packageJson.name) {
return packageJson.name;
}
// ディレクトリ名をプロジェクト名として使用
const dirName = path.basename(directory);
return dirName || 'unnamed-project';
}
// デバッグ用：コンテキスト情報を出力
debugInfo(): void {
if (!this.context) {
this.logger.debug('ProjectContext: Not initialized');
return;
}
this.logger.debug('ProjectContext:', {
name: this.context.projectName,
root: this.context.rootDirectory,
hasPackageJson: !!this.context.packageJson,
envPath: this.context.envPath || 'Not found'
});
}
}