import type { NodeDef } from '../../NodeRegistry';
import { asList } from '../../values';
import { list, num } from '../shared';

export const Count: NodeDef = {
  type: 'Count',
  label: 'Count',
  category: 'data',
  description: 'How many items a list holds.',
  inputs: [list('list')],
  outputs: [num('count')],
  params: [],
  run: (_ctx, inputs) => ({ outputs: { count: asList(inputs.list).length } }),
};