@jpisnice/shadcn-ui-mcp-server

import fs from "fs"; import path from "path"; const COMMON_PATHS = [ "src/styles/globals.css", "src/styles/global.css", "app/globals.css", "src/global.css", "src/index.css", "src/styles.css", "globals.css", ]; export async function locateGlobalCss(rootDir: string): Promise<string | null> { for (const p of COMMON_PATHS) { const full = path.join(rootDir, p); if (fs.existsSync(full)) return full; } return null; } export async function backupFile(filePath: string): Promise<string> { const dir = path.dirname(filePath); const base = path.basename(filePath); const ts = new Date().toISOString().replace(/[:.]/g, "-"); const backupName = path.join(dir, `.mcp-backup-${base}.${ts}`); await fs.promises.copyFile(filePath, backupName); return backupName; } /** * Insert or replace content between MCP markers in the target CSS file. * If markers are not found, append the block at the end. */ export async function writeThemeBlock( filePath: string, blockContent: string, options?: { markerStart?: string; markerEnd?: string; createBackup?: boolean } ): Promise<{ filePath: string; backup?: string }> { const markerStart = options?.markerStart ?? "/* MCP-TWEAKCN-START */"; const markerEnd = options?.markerEnd ?? "/* MCP-TWEAKCN-END */"; if (!fs.existsSync(filePath)) { // create parent directories if needed await fs.promises.mkdir(path.dirname(filePath), { recursive: true }); await fs.promises.writeFile(filePath, ""); } let backupPath: string | undefined; if (options?.createBackup ?? true) { backupPath = await backupFile(filePath); } const original = await fs.promises.readFile(filePath, "utf8"); const startIdx = original.indexOf(markerStart); const endIdx = original.indexOf(markerEnd); const block = `\n${markerStart}\n${blockContent}\n${markerEnd}\n`; let out = original; if (startIdx !== -1 && endIdx !== -1 && endIdx > startIdx) { out = original.slice(0, startIdx) + block + original.slice(endIdx + markerEnd.length); } else { out = original + "\n" + block; } await fs.promises.writeFile(filePath, out, "utf8"); return { filePath, backup: backupPath }; } export default { locateGlobalCss, backupFile, writeThemeBlock };