tailwindcss/tests/prefix.test.js at remove-universal-var · mrinx/tailwindcss · GitHub

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import fs from 'fs'
import path from 'path'

import { run, css } from './util/run'

test('prefix', () => {
  let config = {
    prefix: 'tw-',
    darkMode: 'class',
    content: [path.resolve(__dirname, './prefix.test.html')],
    corePlugins: { preflight: false },
    theme: {
      animation: {
        spin: 'spin 1s linear infinite',
        ping: 'ping 1s cubic-bezier(0, 0, 0.2, 1) infinite',
      },
      keyframes: {
        spin: { to: { transform: 'rotate(360deg)' } },
      },
    },
    plugins: [
      function ({ addComponents, addUtilities }) {
        addComponents({
          '.btn-prefix': {
            button: 'yes',
          },
        })
        addComponents(
          {
            '.btn-no-prefix': {
              button: 'yes',
            },
          },
          { respectPrefix: false }
        )
        addUtilities({
          '.custom-util-prefix': {
            button: 'no',
          },
        })
        addUtilities(
          {
            '.custom-util-no-prefix': {
              button: 'no',
            },
          },
          { respectPrefix: false }
        )
      },
    ],
  }

  let input = css`
    @tailwind base;
    @tailwind components;
    @layer components {
      .custom-component {
        @apply tw-font-bold dark:group-hover:tw-font-normal;
      }
    }
    @tailwind utilities;
    @layer utilities {
      .custom-utility {
        foo: bar;
      }
    }
  `

  return run(input, config).then((result) => {
    let expectedPath = path.resolve(__dirname, './prefix.test.css')
    let expected = fs.readFileSync(expectedPath, 'utf8')

    expect(result.css).toMatchFormattedCss(expected)
  })
})