Function loadIncludeMatcher

src/extraction/index.ts:365–368

* Matcher for the project's `codegraph.json` `include` patterns — first-party * source to force INTO the index even when `.gitignore` drops it (the general * whitelist `includeIgnored` never was — that one only revives *embedded git * repos*). The case it exists for: a project under a second VCS

(rootDir: string)

 * operation from the scan root.
 */
function loadIncludeMatcher(rootDir: string): Ignore | null {
  const patterns = loadIncludePatterns(rootDir);
  return patterns.length > 0 ? ignore().add(patterns) : null;
}

/** Glob metacharacters that end the static (literal) prefix of an `include` pattern. */
const GLOB_META = /[*?[\]{}!]/;