creatrip-agent-rules-builder/src/generators/cursor.ts

Unified converter for AI coding agent rules across Cursor, Windsurf, and Claude

import * as fs from "fs";
import * as path from "path";
import { ParsedContent } from "../types";

export function generateCursorRules(
  parsedContent: ParsedContent,
  baseDir: string = process.cwd()
): void {
  const { rules, config } = parsedContent;
  const cursorConfig = config.cursor || {};

  const cursorDir = path.join(baseDir, ".cursor", "rules");
  const filename = cursorConfig.filename || "rules";
  const filePath = path.join(cursorDir, `${filename}.mdc`);

  // 디렉토리 생성
  fs.mkdirSync(cursorDir, { recursive: true });

  let content = "";

  // frontmatter 항상 추가
  content += "---\n";
  
  // description (기본값: 빈 문자열)
  const description = cursorConfig.description || "";
  content += `description: ${description}\n`;
  
  // globs (기본값: 빈 문자열)
  let globsString = "";
  if (cursorConfig.globs) {
    globsString = Array.isArray(cursorConfig.globs)
      ? cursorConfig.globs.join(",")
      : cursorConfig.globs;
  }
  content += `globs: ${globsString}\n`;
  
  // alwaysApply (기본값: false)
  const alwaysApply = cursorConfig.alwaysApply ?? false;
  content += `alwaysApply: ${alwaysApply}\n`;
  
  content += "---\n\n";

  content += rules;

  fs.writeFileSync(filePath, content, "utf8");
}