better-auth/docs/tailwind.config.js

import defaultTheme from "tailwindcss/defaultTheme";
import flattenColorPalette from "tailwindcss/lib/util/flattenColorPalette";
import svgToDataUri from "mini-svg-data-uri";

/** @type {import('tailwindcss').Config} */
export default {
	darkMode: ["class"],
	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)",
			},
			keyframes: {
				marquee: {
					from: { transform: "translateX(0)" },
					to: { transform: "translateX(calc(-100% - var(--gap)))" },
				},
				"marquee-vertical": {
					from: { transform: "translateY(0)" },
					to: { transform: "translateY(calc(-100% - var(--gap)))" },
				},
				"hrtl-scroll": {
					from: { transform: "translateX(0)" },
					to: { transform: "translateX(calc(-95%))" },
				},
				"hrtl-scroll-reverse": {
					from: { transform: "translateX(calc(-95%))" },
					to: { transform: "translateX(0)" },
				},
				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",
					},
				},
				scroll: {
					to: {
						transform: "translate(calc(-50% - 0.5rem))",
					},
				},
				spotlight: {
					"0%": {
						opacity: 0,
						transform: "translate(-72%, -62%) scale(0.5)",
					},
					"100%": {
						opacity: 1,
						transform: "translate(-50%,-40%) scale(1)",
					},
				},
			},
			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",
				scroll:
					"scroll var(--animation-duration, 40s) var(--animation-direction, forwards) linear infinite",
				"hrtl-scroll": "hrtl-scroll var(--anime-duration,10s) linear infinite",
				"hrtl-scroll-reverse":
					"hrtl-scroll-reverse var(--anime-duration,10s) linear infinite",
				spotlight: "spotlight 2s ease .30s 1 forwards",
			},
		},
	},
};

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

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