tailwind.config.js

/* eslint-disable no-undef */
const svgToDataUri = require("mini-svg-data-uri");
const {
  default: flattenColorPalette,
} = require("tailwindcss/lib/util/flattenColorPalette");

/** @type {import('tailwindcss').Config} */
module.exports = {
  content: [
    "./src/pages/**/*.{js,ts,jsx,tsx,mdx}",
    "./src/components/**/*.{js,ts,jsx,tsx,mdx}",
    "./src/app/**/*.{js,ts,jsx,tsx,mdx}",

    // Or if using `src` directory:
    "./src/**/*.{js,ts,jsx,tsx,mdx}",
  ],
  darkMode: "class",
  theme: {
    // rest of the code
    extend: {
      animation: {
        scroll:
          "scroll var(--animation-duration, 40s) var(--animation-direction, forwards) linear infinite",
      },
      keyframes: {
        scroll: {
          to: {
            transform: "translate(calc(-50% - 0.5rem))",
          },
        },
      },
    },
  },
  plugins: [
    addVariablesForColors,
    function ({ matchUtilities, theme }) {
      matchUtilities(
        {
          "bg-dot-thick": (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="2.5"></circle></svg>`
            )}")`,
          }),
        },
        { values: flattenColorPalette(theme("backgroundColor")), type: "color" }
      );
    },
  ],
};

// This plugin adds each Tailwind color as a global CSS variable, e.g. var(--gray-200).
function addVariablesForColors({ addBase, theme }) {
  let allColors = flattenColorPalette(theme("colors"));
  let newVars = Object.fromEntries(
    Object.entries(allColors).map(([key, val]) => [`--${key}`, val])
  );

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