Method extractInterface

src/extraction/tree-sitter.ts:1707–1737

* Extract an interface/protocol/trait

(node: SyntaxNode)

   * Extract an interface/protocol/trait
   */
  private extractInterface(node: SyntaxNode): void {
    if (!this.extractor) return;

    const name = extractName(node, this.source, this.extractor);
    const docstring = getPrecedingDocstring(node, this.source);
    const isExported = this.extractor.isExported?.(node, this.source);

    const kind: NodeKind = this.extractor.interfaceKind ?? 'interface';

    const interfaceNode = this.createNode(kind, name, node, {
      docstring,
      isExported,
    });
    if (!interfaceNode) return;

    // Extract extends (interface inheritance)
    this.extractInheritance(node, interfaceNode.id);

    // Visit body children for interface methods and nested types
    this.nodeStack.push(interfaceNode.id);
    let body = this.extractor.resolveBody?.(node, this.extractor.bodyField)
      ?? getChildByField(node, this.extractor.bodyField);
    if (!body) body = node;
    for (let i = 0; i < body.namedChildCount; i++) {
      const child = body.namedChild(i);
      if (child) {
        this.visitNode(child);
      }
    }
    this.nodeStack.pop();
  }

  /**
   * Extract a struct