Function extractDrupalRoutes

src/resolution/frameworks/drupal.ts:97–199

* Extract route nodes and handler references from a Drupal `*.routing.yml` file. * * Drupal routing YAML format: * * route.name: * path: '/some/path' * defaults: * _controller: '\Drupal\module\Controller\MyController::method' * _form: '\Drupal\module\Form\MyForm' *

(
  filePath: string,
  content: string
)

 *     methods: [GET, POST]   # optional
 */
function extractDrupalRoutes(
  filePath: string,
  content: string
): { nodes: Node[]; references: UnresolvedRef[] } {
  const nodes: Node[] = [];
  const references: UnresolvedRef[] = [];
  const now = Date.now();

  const lines = content.split('\n');

  type PendingRoute = { name: string; lineNum: number };
  let pending: PendingRoute | null = null;
  let currentPath: string | null = null;
  let handlerRefs: string[] = [];
  let methods: string[] = [];

  const flushRoute = () => {
    if (!pending || !currentPath) return;

    const methodTag = methods.length > 0 ? ` [${methods.join(',')}]` : '';
    const routeNode: Node = {
      id: `route:${filePath}:${pending.lineNum}:${currentPath}`,
      kind: 'route',
      name: `${currentPath}${methodTag}`,
      qualifiedName: `${filePath}::${pending.name}`,
      filePath,
      startLine: pending.lineNum,
      endLine: pending.lineNum,
      startColumn: 0,
      endColumn: 0,
      language: 'yaml',
      updatedAt: now,
    };
    nodes.push(routeNode);

    for (const handler of handlerRefs) {
      references.push({
        fromNodeId: routeNode.id,
        referenceName: handler,
        referenceKind: 'references',
        line: pending.lineNum,
        column: 0,
        filePath,
        language: 'yaml',
      });
    }
  };

  for (let i = 0; i < lines.length; i++) {
    const line = lines[i]!;
    const trimmed = line.trim();

    if (!trimmed || trimmed.startsWith('#')) continue;

    // Top-level route name: no leading whitespace, ends with a colon (no value after)
    if (/^\S.*:\s*$/.test(line) && !/^\s/.test(line)) {
      flushRoute();
      pending = { name: trimmed.slice(0, -1).trim(), lineNum: i + 1 };