tailwind.config.js

const { fontFamily } = require('tailwindcss/defaultTheme')
const CJK = require('./src/libs/cjk')
const fontSansCJK = !CJK()
  ? []
  : [`"Noto Sans CJK ${CJK()}"`, `"Noto Sans ${CJK()}"`]
const fontSerifCJK = !CJK()
  ? []
  : [`"Noto Serif CJK ${CJK()}"`, `"Noto Serif ${CJK()}"`]

module.exports = {
  mode: 'jit',
  purge: ['./src/pages/**/*.js', './src/components/**/*.jsx', './src/**/*.jsx', './src/pages/**/*.ts', './src/components/**/*.tsx', './src/**/*.tsx'],
  darkMode: 'class',
  theme: {
    extend: {
      colors: {
        day: {
          DEFAULT: '#f1f3f5'
        },
        night: {
          DEFAULT: '#18181B'
        }
      },
      fontFamily: {
        sans: ['"IBM Plex Sans"', ...fontFamily.sans, ...fontSansCJK],
        serif: ['"Source Serif"', ...fontFamily.serif, ...fontSerifCJK],
        noEmoji: [
          '"IBM Plex Sans"',
          'ui-sans-serif',
          'system-ui',
          '-apple-system',
          'BlinkMacSystemFont',
          'sans-serif'
        ]
      }
    }
  },
  variants: {
    extend: {}
  },
  plugins: []
}