ui/src/lib/utils.ts


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import type { ClassValue } from "clsx";

import clsx from "clsx";
import { extendTailwindMerge } from "tailwind-merge";

const COMMON_UNITS = ["small", "medium", "large"];

/**
 * We need to extend the tailwind merge to include NextUI's custom classes.
 *
 * So we can use classes like `text-small` or `text-default-500` and override them.
 */
const twMerge = extendTailwindMerge({
  extend: {
    theme: {
      opacity: ["disabled"],
      spacing: ["divider"],
      borderWidth: COMMON_UNITS,
      borderRadius: COMMON_UNITS,
    },
    classGroups: {
      shadow: [{ shadow: COMMON_UNITS }],
      "font-size": [{ text: ["tiny", ...COMMON_UNITS] }],
      "bg-image": ["bg-stripe-gradient"],
    },
  },
});

export function cn(...inputs: ClassValue[]) {
  return twMerge(clsx(inputs));
}