Extracts the color value from a string that follows the format `text-{color}-500`.

getColor.ts

const colors = ["text-yellow-500", "text-violet-500", "text-red-500"] as const;

/**
 * Extracts the color value from a string that follows the format `text-{color}-500`.
 * @template S The input string.
 * @param {S} input The input string to extract the color from.
 * @returns {ExtractColor<S>} The extracted color value.
 */
type ExtractColor<S extends string> = S extends `text-${infer Color}-500`
  ? Color
  : never;

type Color = ExtractColor<(typeof colors)[number]>;

function getColor(color: Color) {
  return color;
}
   
getColor("red");