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: {
				ripple: {
					"0% , 100%": {
					  transform: "translate(-50% , -50%) scale(1)",
					},
					"50%": {
					  transform: "translate(-50% , -50%) scale(0.9)",
					},
				  },
				"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",
				ripple: "ripple var(--duration,2s) ease calc(var(--i, 0)*.2s) infinite",
			},
		},
	},
};

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

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