Function loopsForFile

src/graph/branch-guards.ts:1033–1043

(absPath: string, language: Language, sites: readonly CallSite[])

/** Loops for many sites in one file, keyed by {@link siteKey}. */
export async function loopsForFile(absPath: string, language: Language, sites: readonly CallSite[]): Promise<Map<string, SiteLoop[]>> {
  const out = new Map<string, SiteLoop[]>();
  if (!supportsBranchGuards(language) || sites.length === 0) return out;
  const cached = await treeFor(absPath, language);
  if (!cached) return out;
  for (const site of sites) {
    const key = siteKey(site);
    if (!out.has(key)) out.set(key, loopsInTree(cached.tree.rootNode, cached.source, language, site.line, site.column ?? null));
  }
  return out;
}

/** A loop's header as written, keyword and braces dropped: `item of items`, `queue.length > 0`. */
function loopHeader(loop: SyntaxNode): string {