tailwind.config.js

const colors = require('tailwindcss/colors')
const svgToDataUri = require('mini-svg-data-uri')
const plugin = require('tailwindcss/plugin')
const defaultTheme = require('tailwindcss/defaultTheme')
const [baseFontSize, { lineHeight: baseLineHeight }] = defaultTheme.fontSize.base
const { spacing, borderWidth, borderRadius, outline } = defaultTheme

module.exports = {
  purge: {
    mode: 'all',
    content: ['./index.html', './src/**/*.{vue,js}'],
    options: {
      safelist: {
        standard: [/cm|CodeMirror|splitpanes/],
      },
    },
  },
  darkMode: 'class',
  theme: {
    extend: {
      colors: {
        gray: colors.gray,
        orange: colors.orange,
        primary: colors.yellow,
      },
      cursor: {
        'col-resize': 'col-resize',
        'row-resize': 'row-resize',
      },
      fontFamily: {
        mono: ['Fira Code', 'Menlo', 'Monaco', 'Consolas', '"Liberation Mono"', '"Courier New"', 'monospace'],
      },
      fontSize: {
        'inherit': 'inherit',
        '2xs': '0.625rem',
        '3xs': '0.5rem',
      },
      height: {
        'px': '1px',
      },
      lineHeight: {
        'inherit': 'inherit',
      },
      width: {
        'px': '1px',
      },
      spacing: {
        'safe-top': 'env(safe-area-inset-top)',
        'safe-bottom': 'env(safe-area-inset-bottom)',
        'safe-left': 'env(safe-area-inset-left)',
        'safe-right': 'env(safe-area-inset-right)',
      },
    },
  },
  variants: {
    extend: {
      backgroundColor: ['focus-within'],
      display: ['group-hover', 'group-focus'],
      ringColor: ['focus-within'],
      ringOffsetColor: ['focus-within'],
      ringOffsetWidth: ['focus-within'],
      ringWidth: ['focus-within'],
      width: ['hover', 'focus'],
    },
  },
  plugins: [
    plugin(function ({ addBase, theme }) {
      addBase({
        [`
          [type='text'],
          [type='email'],
          [type='url'],
          [type='password'],
          [type='number'],
          [type='date'],
          [type='datetime-local'],
          [type='month'],
          [type='search'],
          [type='tel'],
          [type='time'],
          [type='week'],
          [multiple],
          textarea,
          select
        `]: {
          appearance: 'none',
          'font-size': baseFontSize,
          'line-height': baseLineHeight,
        },

        'input::placeholder, textarea::placeholder': {
          color: theme('colors.gray.500', colors.gray[500]),
          opacity: '1',
        },

        '::-webkit-datetime-edit-fields-wrapper': {
          padding: '0',
        },

        '::-webkit-date-and-time-value': {
          'min-height': '1.5em',
        },

        select: {
          'background-image': `url("${svgToDataUri(
            `<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 20 20"><path stroke="${theme(
              'colors.gray.500',
              colors.gray[500]
            )}" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 8l4 4 4-4"/></svg>`
          )}")`,
          'background-position': `right center`,
          'background-repeat': `no-repeat`,
          'background-size': `1em`,
          'padding-right': spacing[8],
          'color-adjust': `exact`,
        },

        '[multiple]': {
          'background-image': 'initial',
          'background-position': 'initial',
          'background-repeat': 'unset',
          'background-size': 'initial',
          'padding-right': spacing[3],
          'color-adjust': 'unset',
        },

        [`
          [type='checkbox'],
          [type='radio']
        `]: {
          appearance: 'none',
          padding: '0',
          'color-adjust': 'exact',
          display: 'inline-block',
          'vertical-align': 'middle',
          'background-origin': 'border-box',
          'user-select': 'none',
          'flex-shrink': '0',
          height: spacing[4],
          width: spacing[4],
          color: theme('colors.blue.600', colors.blue[600]),
          'background-color': '#fff',
          'border-color': theme('colors.gray.500', colors.gray[500]),
          'border-width': borderWidth['DEFAULT'],
        },

        [`[type='checkbox']`]: {
          'border-radius': borderRadius['none'],
        },

        [`[type='radio']`]: {
          'border-radius': '100%',
        },

        [`
          [type='checkbox']:focus,
          [type='radio']:focus
        `]: {
          outline: outline.none[0],
          'outline-offset': outline.none[1],
          '--tw-ring-inset': 'var(--tw-empty,/*!*/ /*!*/)',
          '--tw-ring-offset-width': '2px',
          '--tw-ring-offset-color': '#fff',
          '--tw-ring-color': theme('colors.blue.600', colors.blue[600]),
          '--tw-ring-offset-shadow': `var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color)`,
          '--tw-ring-shadow': `var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color)`,
          'box-shadow': `var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow, 0 0 #0000)`,
          'border-color': theme('colors.gray.500', colors.gray[500]),
        },

        [`
          [type='checkbox']:checked,
          [type='radio']:checked
        `]: {
          'border-color': `transparent`,
          'background-color': `currentColor`,
          'background-size': `100% 100%`,
          'background-position': `center`,
          'background-repeat': `no-repeat`,
        },

        [`[type='checkbox']:checked`]: {
          'background-image': `url("${svgToDataUri(
            `<svg viewBox="0 0 16 16" fill="white" xmlns="http://www.w3.org/2000/svg"><path d="M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z"/></svg>`
          )}")`,
        },

        [`[type='radio']:checked`]: {
          'background-image': `url("${svgToDataUri(
            `<svg viewBox="0 0 16 16" fill="white" xmlns="http://www.w3.org/2000/svg"><circle cx="8" cy="8" r="3"/></svg>`
          )}")`,
        },

        [`
          [type='checkbox']:checked:hover,
          [type='checkbox']:checked:focus,
          [type='radio']:checked:hover,
          [type='radio']:checked:focus
        `]: {
          'border-color': 'transparent',
          'background-color': 'currentColor',
        },

        [`[type='checkbox']:indeterminate`]: {
          'background-image': `url("${svgToDataUri(
            `<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 16 16"><path stroke="white" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 8h8"/></svg>`
          )}")`,
          'border-color': `transparent`,
          'background-color': `currentColor`,
          'background-size': `100% 100%`,
          'background-position': `center`,
          'background-repeat': `no-repeat`,
        },

        [`
          [type='checkbox']:indeterminate:hover,
          [type='checkbox']:indeterminate:focus
        `]: {
          'border-color': 'transparent',
          'background-color': 'currentColor',
        },

        [`[type='file']`]: {
          background: 'unset',
          'border-color': 'inherit',
          'border-width': '0',
          'border-radius': '0',
          padding: '0',
          'font-size': 'unset',
          'line-height': 'inherit',
        },

        [`[type='file']:focus`]: {
          outline: `1px solid ButtonText`,
          outline: `1px auto -webkit-focus-ring-color`,
        },
      })
    })
  ],
}