test.js

import assert from 'node:assert/strict'
import test from 'node:test'
import {u} from 'unist-builder'

test('u', async function (t) {
  await t.test('should expose the public api', async function () {
    assert.deepEqual(Object.keys(await import('unist-builder')).sort(), ['u'])
  })

  await t.test('should work', async function () {
    assert.deepEqual(
      u('root', [
        u('subtree', {id: 1}),
        u('subtree', {id: 2}, [
          u('node', [u('leaf', 'leaf-1'), u('leaf', 'leaf-2'), u('leaf', '')]),
          u('leaf', {id: 3}, 'leaf-3')
        ])
      ]),
      {
        type: 'root',
        children: [
          {type: 'subtree', id: 1},
          {
            type: 'subtree',
            id: 2,
            children: [
              {
                type: 'node',
                children: [
                  {type: 'leaf', value: 'leaf-1'},
                  {type: 'leaf', value: 'leaf-2'},
                  {type: 'leaf', value: ''}
                ]
              },
              {type: 'leaf', id: 3, value: 'leaf-3'}
            ]
          }
        ]
      }
    )
  })
})