Function deriveProjectNameTokens

src/search/query-utils.ts:29–54

(projectRoot: string)

 * safely down-weight.
 */
export function deriveProjectNameTokens(projectRoot: string): Set<string> {
  const tokens = new Set<string>();
  const add = (raw: string | undefined | null): void => {
    if (!raw) return;
    const norm = normalizeNameToken(raw);
    if (norm.length >= 5) tokens.add(norm);
  };

  // go.mod module last segment (the most reliable signal for Go repos).
  try {
    const gomod = fs.readFileSync(path.join(projectRoot, 'go.mod'), 'utf-8');
    const m = gomod.match(/^\s*module\s+(\S+)/m);
    if (m && m[1]) add(m[1].split('/').pop());
  } catch { /* no go.mod */ }

  // package.json name (strip an `@scope/` prefix).
  try {
    const pkg = JSON.parse(fs.readFileSync(path.join(projectRoot, 'package.json'), 'utf-8'));
    if (typeof pkg.name === 'string') add(pkg.name.replace(/^@[^/]+\//, ''));
  } catch { /* no / invalid package.json */ }

  // Repo root directory name — a fallback when neither manifest names the project.
  add(path.basename(path.resolve(projectRoot)));

  return tokens;
}

/**
 * Common stop words to filter from search queries.