better-auth/docs/tailwind.config.js

import { createPreset } from 'fumadocs-ui/tailwind-plugin';
import defaultTheme from "tailwindcss/defaultTheme";
const colors = require("tailwindcss/colors");
const {
	default: flattenColorPalette,
} = require("tailwindcss/lib/util/flattenColorPalette");

const svgToDataUri = require("mini-svg-data-uri");

/** @type {import('tailwindcss').Config} */
export default {
	darkMode: ['class'],
	content: [
		'./components/**/*.{ts,tsx}',
		'./app/**/*.{ts,tsx}',
		'./content/**/*.{md,mdx}',
		'./mdx-components.{ts,tsx}',
		'./node_modules/fumadocs-ui/dist/**/*.js',
	],
	presets: [createPreset()],
	plugins: [require("tailwindcss-animate"), addVariablesForColors, function ({ matchUtilities, theme }) {
		matchUtilities(
			{
				"bg-grid": (value) => ({
					backgroundImage: `url("${svgToDataUri(
						`<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" width="32" height="32" fill="none" stroke="${value}"><path d="M0 .5H31.5V32"/></svg>`
					)}")`,
				}),
				"bg-grid-small": (value) => ({
					backgroundImage: `url("${svgToDataUri(
						`<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" width="8" height="8" fill="none" stroke="${value}"><path d="M0 .5H31.5V32"/></svg>`
					)}")`,
				}),
				"bg-dot": (value) => ({
					backgroundImage: `url("${svgToDataUri(
						`<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" width="16" height="16" fill="none"><circle fill="${value}" id="pattern-circle" cx="10" cy="10" r="1.6257413380501518"></circle></svg>`
					)}")`,
				}),
			},
			{ values: flattenColorPalette(theme("backgroundColor")), type: "color" }
		);
	}],
	theme: {
		extend: {
			fontFamily: {
				sans: ["var(--font-geist-sans)"],
				mono: ["var(--font-geist-mono)"],
				display: [...defaultTheme.fontFamily.sans],
			},
			borderRadius: {
				lg: 'var(--radius)',
				md: 'calc(var(--radius) - 2px)',
				sm: 'calc(var(--radius) - 4px)'
			},
			colors: {
				background: 'hsl(var(--background))',
				foreground: 'hsl(var(--foreground))',
				card: {
					DEFAULT: 'hsl(var(--card))',
					foreground: 'hsl(var(--card-foreground))'
				},
				popover: {
					DEFAULT: 'hsl(var(--popover))',
					foreground: 'hsl(var(--popover-foreground))'
				},
				primary: {
					DEFAULT: 'hsl(var(--primary))',
					foreground: 'hsl(var(--primary-foreground))'
				},
				secondary: {
					DEFAULT: 'hsl(var(--secondary))',
					foreground: 'hsl(var(--secondary-foreground))'
				},
				muted: {
					DEFAULT: 'hsl(var(--muted))',
					foreground: 'hsl(var(--muted-foreground))'
				},
				accent: {
					DEFAULT: 'hsl(var(--accent))',
					foreground: 'hsl(var(--accent-foreground))'
				},
				destructive: {
					DEFAULT: 'hsl(var(--destructive))',
					foreground: 'hsl(var(--destructive-foreground))'
				},
				border: 'hsl(var(--border))',
				input: 'hsl(var(--input))',
				ring: 'hsl(var(--ring))',
				chart: {
					'1': 'hsl(var(--chart-1))',
					'2': 'hsl(var(--chart-2))',
					'3': 'hsl(var(--chart-3))',
					'4': 'hsl(var(--chart-4))',
					'5': 'hsl(var(--chart-5))'
				}
			},
			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'
					}
				}
			},
			animation: {
				'accordion-down': 'accordion-down 0.2s ease-out',
				'accordion-up': 'accordion-up 0.2s ease-out'
			}
		}
	},

};

function addVariablesForColors({ addBase, theme }) {
	let allColors = flattenColorPalette(theme("colors"));
	let newVars = Object.fromEntries(
		Object.entries(allColors).map(([key, val]) => [`--${key}`, val])
	);

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