tailwind.config.js

// @ts-check
const { fontFamily } = require('tailwindcss/defaultTheme')
const colors = require('tailwindcss/colors')
const { nextui } = require('@nextui-org/react')
const { default: flattenColorPalette } = require('tailwindcss/lib/util/flattenColorPalette')

/** @type {import("tailwindcss/types").Config } */
module.exports = {
  content: [
    './node_modules/pliny/**/*.js',
    './app/**/*.{js,ts,jsx,tsx}',
    './pages/**/*.{js,ts,tsx}',
    './components/**/*.{js,ts,tsx}',
    './layouts/**/*.{js,ts,tsx}',
    './data/**/*.mdx',
    './node_modules/@nextui-org/theme/dist/**/*.{js,ts,jsx,tsx}',
  ],
  darkMode: 'class',
  theme: {
    extend: {
      lineHeight: {
        11: '2.75rem',
        12: '3rem',
        13: '3.25rem',
        14: '3.5rem',
      },
      fontFamily: {
        sans: ['var(--font-sans-custom)', ...fontFamily.sans],
      },
      colors: {
        primary: colors.sky,
        gray: colors.gray,
      },
      zIndex: {
        60: '60',
        70: '70',
        80: '80',
      },
      typography: ({ theme }) => ({
        DEFAULT: {
          css: {
            a: {
              color: theme('colors.primary.500'),
              '&:hover': {
                color: `${theme('colors.primary.600')}`,
              },
              code: { color: theme('colors.primary.400') },
            },
            'h1,h2': {
              fontWeight: '700',
              letterSpacing: theme('letterSpacing.tight'),
            },
            h3: {
              fontWeight: '600',
            },
            code: {
              color: theme('colors.primary.400'),
            },
          },
        },
        invert: {
          css: {
            a: {
              color: theme('colors.primary.500'),
              '&:hover': {
                color: `${theme('colors.primary.400')}`,
              },
              code: { color: theme('colors.primary.400') },
            },
            'h1,h2,h3,h4,h5,h6': {
              color: theme('colors.gray.100'),
            },
          },
        },
      }),
    },
  },
  plugins: [
    require('@tailwindcss/forms'),
    require('@tailwindcss/typography'),
    nextui({ addCommonColors: true }),
    addVariablesForColors,
  ],
}

// This plugin adds each Tailwind color as a global CSS variable, e.g. var(--gray-200).
function addVariablesForColors({ addBase, theme }) {
  let allColors = flattenColorPalette(theme('colors'))
  let newVars = Object.fromEntries(Object.entries(allColors).map(([key, val]) => [`--${key}`, val]))

  addBase({
    ':root': newVars,
  })
}