tailwind.config.ts

import tailwindcssTypography from '@tailwindcss/typography';
import type { Config } from 'tailwindcss';
import tailwindcssAnimate from 'tailwindcss-animate';
import plugin from 'tailwindcss/plugin';

const tailwindcssInnerBorder = require('tailwindcss-inner-border');

/**
 * Adds utilities for animation delays
 */
const animationDelayPlugin = plugin(({ addUtilities }) => {
  const animationDelayUtilities: Record<string, Record<string, string>> = {};
  const baseDelay = 300;
  const increment = 150;
  const maxItems = 10;

  for (let i = 1; i <= maxItems; i++) {
    animationDelayUtilities[`.animation-delay-${i}`] = {
      'animation-delay': `${baseDelay + (i - 1) * increment}ms`,
    };
  }

  addUtilities(animationDelayUtilities);
});

/**
 * Adds CSS variables for all colors in the theme
 */
const addVariablesForColors = plugin(({ addBase, theme }) => {
  const allColors = theme('colors');
  const flattenedColors = Object.fromEntries(
    Object.entries(
      allColors as Record<string, string | Record<string, string>>,
    ).flatMap(([key, val]) => {
      if (typeof val === 'string') {
        return [[key, val]];
      }

      return Object.entries(val).map(([innerKey, innerVal]) => [
        `${key}-${innerKey}`,
        innerVal,
      ]);
    }),
  );
  const newVars = Object.fromEntries(
    Object.entries(flattenedColors).map(([key, val]) => [`--${key}`, val]),
  );

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

const config: Config = {
  darkMode: ['class'],
  content: ['./src/**/*.{ts,tsx}'],
  safelist: [
    {
      pattern: /animation-delay-\d+/,
    },
  ],
  theme: {
    container: {
      center: true,
      padding: '0',
      screens: {
        DEFAULT: '640px',
      },
    },
    fontFamily: {
      sans: ['var(--font-sans)'],
      serif: ['var(--font-serif)'],
      ovo: ['var(--font-ovo)'],
      'instrument-serif': ['var(--font-instrument-serif)'],
    },
    extend: {
      colors: {
        border: 'hsl(var(--border))',
        input: 'hsl(var(--input))',
        ring: 'hsl(var(--ring))',
        background: 'hsl(var(--background))',
        foreground: 'hsl(var(--foreground))',
        primary: {
          DEFAULT: 'hsl(var(--primary))',
          foreground: 'hsl(var(--primary-foreground))',
        },
        secondary: {
          DEFAULT: 'hsl(var(--secondary))',
          foreground: 'hsl(var(--secondary-foreground))',
        },
        destructive: {
          DEFAULT: 'hsl(var(--destructive))',
          foreground: 'hsl(var(--destructive-foreground))',
        },
        muted: {
          DEFAULT: 'hsl(var(--muted))',
          foreground: 'hsl(var(--muted-foreground))',
        },
        accent: {
          DEFAULT: 'hsl(var(--accent))',
          foreground: 'hsl(var(--accent-foreground))',
        },
        popover: {
          DEFAULT: 'hsl(var(--popover))',
          foreground: 'hsl(var(--popover-foreground))',
        },
        card: {
          DEFAULT: 'hsl(var(--card))',
          foreground: 'hsl(var(--card-foreground))',
        },
      },
      borderRadius: {
        lg: 'var(--radius)',
        md: 'calc(var(--radius) - 2px)',
        sm: 'calc(var(--radius) - 4px)',
      },
      animation: {
        'accordion-down': 'accordion-down 0.2s ease-out',
        'accordion-up': 'accordion-up 0.2s ease-out',
        intro: 'intro 0.3s forwards ease-out',
        aurora: 'aurora 60s linear infinite',
        flip: 'flip 8s infinite steps(2, end)',
        rotate: 'rotate 4s linear infinite both',
      },
      keyframes: {
        'accordion-down': {
          from: { height: '0' },
          to: { height: 'var(--radix-accordion-content-height)' },
        },
        'accordion-up': {
          from: { height: 'var(--radix-accordion-content-height)' },
          to: { height: '0' },
        },
        aurora: {
          from: {
            backgroundPosition: '50% 50%, 50% 50%',
          },
          to: {
            backgroundPosition: '350% 50%, 350% 50%',
          },
        },
        intro: {
          '0%': {
            transform: 'translateY(10px)',
            opacity: '0',
            filter: 'blur(3px)',
          },
          '100%': {
            transform: 'translateY(0px)',
            opacity: '1',
            filter: 'blur(0px)',
          },
        },
        flip: {
          to: {
            transform: 'rotate(360deg)',
          },
        },
        rotate: {
          to: {
            transform: 'rotate(90deg)',
          },
        },
      },
    },
  },
  plugins: [
    tailwindcssAnimate,
    tailwindcssTypography,
    tailwindcssInnerBorder,
    animationDelayPlugin,
    addVariablesForColors,
  ],
} satisfies Config;

export default config;