util.test.ts

import assert from 'assert'
import { describe, test } from 'node:test'
import { Html } from '../index'

describe('Util', () => {
  test('Undefined contents', async () => {
    assert.equal(
      await Html.contentsToString([
        undefined,
        Promise.resolve(undefined),
        [undefined, Promise.resolve(undefined)],
        null,
        Promise.resolve(null),
        [null, Promise.resolve(null)],
        [[[[[[[]]]]]]]
      ]),
      ''
    )

    assert.equal(await Html.contentsToString([]), '')
  })

  test('Deep scaping', async () => {
    assert.equal(
      await Html.contentsToString(['<>', Promise.resolve('<>')], true),
      '&lt;>&lt;>'
    )

    assert.equal(
      await Html.contentsToString(
        [
          undefined,
          Promise.resolve(undefined),
          [undefined, Promise.resolve(undefined)],
          null,
          Promise.resolve(null),
          [null, Promise.resolve(null)],
          [[[[[[['<>']]]]]]]
        ],
        true
      ),
      '&lt;>'
    )
  })

  test('String contents', async () => {
    assert.equal(
      await Html.contentsToString([
        'a',
        Promise.resolve('b'),
        ['c', Promise.resolve('d')]
      ]),
      'abcd'
    )
  })

  test('Only string contents', async () => {
    assert.equal(await Html.contentsToString(['a', 'b', ['c', 'd']]), 'abcd')
  })

  test('Promises', async () => {
    const result = Html.contentsToString([
      Promise.resolve('a'),
      Promise.resolve('b'),
      Promise.resolve(['c', Promise.resolve('d')])
    ])

    assert.ok(result instanceof Promise)
    assert.equal(await result, 'abcd')
  })

  test('h() function', async () => {
    assert.equal(Html.h, Html.createElement)
  })

  test('esm and cjs usage', async () => {
    const Html0 = require('../index')
    const { Html: Html1 } = require('../index')
    const Html2 = require('../index').default

    const Html3 = await import('../index')
    const { Html: Html4 } = await import('../index')
    const Html5 = (await import('../index')).default

    assert.deepEqual(Html0, Html)
    assert.deepEqual(Html1, Html)
    assert.deepEqual(Html2, Html)
    assert.deepEqual(Html3, Html)
    assert.deepEqual(Html4, Html)
    assert.deepEqual(Html5, Html)
  })
})