/**
 * CJS mock of `github-slugger` (v2 is ESM-only, which jest's CJS runtime
 * cannot require). Auto-applied to all test files via the root `__mocks__`
 * directory — no `jest.mock()` call needed.
 */
class Slugger {
  constructor() {
    this.seen = new Map();
  }

  slug(value, maintainCase) {
    let slug = String(value).trim();
    if (!maintainCase) slug = slug.toLowerCase();
    slug = slug
      .replace(/[^\p{L}\p{N}\s_-]/gu, "")
      .replace(/\s/g, "-");

    // github-slugger dedups repeated slugs with a -1, -2, ... suffix
    const count = this.seen.get(slug) || 0;
    this.seen.set(slug, count + 1);
    if (count > 0) return `${slug}-${count}`;
    return slug;
  }
}

module.exports = Slugger;