Class RecursiveVisitor

packages/compiler/src/ml_parser/ast.ts:258–320

}

export class RecursiveVisitor implements Visitor {
  constructor() {}

  visitElement(ast: Element, context: any): any {
    this.visitChildren(context, (visit) => {
      visit(ast.attrs);
      visit(ast.directives);
      visit(ast.comments);
      visit(ast.children);
    });
  }

  visitAttribute(ast: Attribute, context: any): any {}
  visitStartTagComment(ast: StartTagComment, context: any): any {}
  visitText(ast: Text, context: any): any {}
  visitComment(ast: Comment, context: any): any {}

  visitExpansion(ast: Expansion, context: any): any {
    return this.visitChildren(context, (visit) => {
      visit(ast.cases);
    });
  }

  visitExpansionCase(ast: ExpansionCase, context: any): any {}

  visitBlock(block: Block, context: any): any {
    this.visitChildren(context, (visit) => {
      visit(block.parameters);
      visit(block.children);
    });
  }

  visitBlockParameter(ast: BlockParameter, context: any): any {}

  visitLetDeclaration(decl: LetDeclaration, context: any) {}

  visitComponent(component: Component, context: any) {
    this.visitChildren(context, (visit) => {
      visit(component.attrs);
      visit(component.comments);
      visit(component.children);
    });
  }

  visitDirective(directive: Directive, context: any) {
    this.visitChildren(context, (visit) => {
      visit(directive.attrs);
    });
  }

  private visitChildren(
    context: any,
    cb: (visit: <V extends Node>(children: V[] | undefined) => void) => void,
  ) {
    let results: any[][] = [];
    let t = this;
    function visit<T extends Node>(children: T[] | undefined) {
      if (children) results.push(visitAll(t, children, context));