import { NodeBase } from '../types';

type NodeData = Pick<NodeBase, 'id' | 'type' | 'data'>;

export function shallowNodeData(a: NodeData | NodeData[] | null, b: NodeData | NodeData[] | null) {
  if (a === null || b === null) {
    return false;
  }

  const _a = Array.isArray(a) ? a : [a];
  const _b = Array.isArray(b) ? b : [b];

  if (_a.length !== _b.length) {
    return false;
  }

  for (let i = 0; i < _a.length; i++) {
    if (_a[i].id !== _b[i].id || _a[i].type !== _b[i].type || !Object.is(_a[i].data, _b[i].data)) {
      return false;
    }
  }

  return true;
}