Function check

__tests__/parse.test.ts:13–19

(node: Node)

  expect(tree.toJSON()).toEqual(JSON.parse(expected));

  const check = (node: Node) => {
    expect(node.id.startsWith(rootMarker)).toEqual(true);
    if (!isIterable(node)) {
      expect(tree.text.substring(node.offset, node.offset + node.length)).toEqual(getRawValue(node));
    }
    tree.mapChildren(node, (child) => check(child));
  };

  check(tree.root());
}