tailwindcss/tests/plugins/fontSize.test.js

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

crosscheck(() => {
  test('font-size utilities can include a default line-height', () => {
    let config = {
      content: [{ raw: html`<div class="text-md text-sm text-lg"></div>` }],
      theme: {
        fontSize: {
          sm: '12px',
          md: ['16px', '24px'],
          lg: ['20px', '28px'],
        },
      },
    }

    return run('@tailwind utilities', config).then((result) => {
      expect(result.css).toMatchCss(css`
        .text-lg {
          font-size: 20px;
          line-height: 28px;
        }
        .text-md {
          font-size: 16px;
          line-height: 24px;
        }
        .text-sm {
          font-size: 12px;
        }
      `)
    })
  })

  test('font-size utilities can include a default letter-spacing', () => {
    let config = {
      content: [{ raw: html`<div class="text-md text-sm text-lg"></div>` }],
      theme: {
        fontSize: {
          sm: '12px',
          md: ['16px', { letterSpacing: '-0.01em' }],
          lg: ['20px', { letterSpacing: '-0.02em' }],
        },
      },
    }

    return run('@tailwind utilities', config).then((result) => {
      expect(result.css).toMatchCss(css`
        .text-lg {
          letter-spacing: -0.02em;
          font-size: 20px;
        }
        .text-md {
          letter-spacing: -0.01em;
          font-size: 16px;
        }
        .text-sm {
          font-size: 12px;
        }
      `)
    })
  })

  test('font-size utilities can include a default line-height and letter-spacing', () => {
    let config = {
      content: [{ raw: html`<div class="text-md text-sm text-lg"></div>` }],
      theme: {
        fontSize: {
          sm: '12px',
          md: ['16px', { lineHeight: '24px', letterSpacing: '-0.01em' }],
          lg: ['20px', { lineHeight: '28px', letterSpacing: '-0.02em' }],
        },
      },
    }

    return run('@tailwind utilities', config).then((result) => {
      expect(result.css).toMatchCss(css`
        .text-lg {
          letter-spacing: -0.02em;
          font-size: 20px;
          line-height: 28px;
        }
        .text-md {
          letter-spacing: -0.01em;
          font-size: 16px;
          line-height: 24px;
        }
        .text-sm {
          font-size: 12px;
        }
      `)
    })
  })

  test('font-size utilities can include a font-weight', () => {
    let config = {
      content: [{ raw: html`<div class="text-md text-sm text-lg"></div>` }],
      theme: {
        fontSize: {
          sm: '12px',
          md: ['16px', { lineHeight: '24px', fontWeight: 500 }],
          lg: ['20px', { lineHeight: '28px', fontWeight: 'bold' }],
        },
      },
    }

    return run('@tailwind utilities', config).then((result) => {
      expect(result.css).toMatchCss(css`
        .text-lg {
          font-size: 20px;
          font-weight: bold;
          line-height: 28px;
        }
        .text-md {
          font-size: 16px;
          font-weight: 500;
          line-height: 24px;
        }
        .text-sm {
          font-size: 12px;
        }
      `)
    })
  })

  test('font-size utilities can include a line-height modifier', () => {
    let config = {
      content: [
        {
          raw: html`<div class="text-sm md:text-base">
            <div class="text-sm/6 md:text-base/7"></div>
            <div class="text-sm/[21px] md:text-base/[33px]"></div>
            <div class="text-[13px]/6 md:text-[19px]/8"></div>
            <div class="text-[17px]/[23px] md:text-[21px]/[29px]"></div>
            <div class="text-sm/999 md:text-base/000"></div>
          </div>`,
        },
      ],
      theme: {
        fontSize: {
          sm: ['12px', '20px'],
          base: ['16px', '24px'],
        },
        lineHeight: {
          6: '24px',
          7: '28px',
          8: '32px',
        },
      },
    }

    return run('@tailwind utilities', config).then((result) => {
      expect(result.css).toMatchCss(css`
        .text-\[13px\]\/6 {
          font-size: 13px;
          line-height: 24px;
        }
        .text-\[17px\]\/\[23px\] {
          font-size: 17px;
          line-height: 23px;
        }
        .text-sm {
          font-size: 12px;
          line-height: 20px;
        }
        .text-sm\/6 {
          font-size: 12px;
          line-height: 24px;
        }
        .text-sm\/\[21px\] {
          font-size: 12px;
          line-height: 21px;
        }
        @media (min-width: 768px) {
          .md\:text-\[19px\]\/8 {
            font-size: 19px;
            line-height: 32px;
          }
          .md\:text-\[21px\]\/\[29px\] {
            font-size: 21px;
            line-height: 29px;
          }
          .md\:text-base {
            font-size: 16px;
            line-height: 24px;
          }
          .md\:text-base\/7 {
            font-size: 16px;
            line-height: 28px;
          }
          .md\:text-base\/\[33px\] {
            font-size: 16px;
            line-height: 33px;
          }
        }
      `)
    })
  })
})