mcp-web-audit

/** * 解析 GitHub 仓库 URL，提取 owner、repo 和后续路径 * 支持格式： * - https://github.com/owner/repo * - https://github.com/owner/repo/tree/branch * - https://github.com/owner/repo/blame/... * 等等 * * @param {string} url - GitHub 仓库 URL * @returns {Object} { owner, repo, path } * @throws {Error} 如果 URL 格式不合法或无法解析 */ function parseGithubUrl(url) { try { const parsedUrl = new URL(url); // 确保是 github.com if (parsedUrl.hostname !== 'github.com') { throw new Error('Only github.com URLs are supported'); } // 获取路径并去除空字符串（如开头的 /） const parts = parsedUrl.pathname.split('/').filter(Boolean); // 至少需要 owner 和 repo 两段 if (parts.length < 2) { throw new Error( 'Invalid GitHub repository URL: insufficient path segments' ); } const owner = parts[0]; const repo = parts[1]; const restPath = parts.slice(2); // 剩余路径，如 ['tree', 'v5.2.2'] // 构造 path：如果有后续路径，则以 '/' 开头拼接；否则为空字符串 const path = restPath.length > 0 ? '/' + restPath.join('/') : ''; return { owner, repo, path }; } catch (error) { if (error instanceof TypeError) { throw new Error('Invalid URL: malformed or missing'); } throw error; } } async function getPackageJsonUrl(gitInfo) { let { owner, repo, path } = gitInfo; if (path.startsWith('/tree/')) { const pathParts = path.split('/').filter(Boolean); path = `tags/${pathParts[1]}`; } else { const url = `https://api.github.com/repos/${owner}/${repo}`; const info = await fetch(url).then((resp) => resp.json()); path = `heads/${info.default_branch}`; } return `https://raw.githubusercontent.com/${owner}/${repo}/${path}/package.json`; } export async function parseRemoteProject(githubUrl) { const gitInfo = parseGithubUrl(githubUrl); const packgeJsonUrl = await getPackageJsonUrl(gitInfo); return await fetch(packgeJsonUrl).then((resp) => resp.json()); }