react-hot-toast/src/core/utils.ts

Smoking hot React Notifications. Lightweight, customizable and beautiful by default.

export const genId = (() => {
  let count = 0;
  return () => {
    return (++count).toString();
  };
})();

export const prefersReducedMotion = (() => {
  // Cache result
  let shouldReduceMotion: boolean | undefined = undefined;

  return () => {
    if (shouldReduceMotion === undefined && typeof window !== 'undefined') {
      const mediaQuery = matchMedia('(prefers-reduced-motion: reduce)');
      shouldReduceMotion = !mediaQuery || mediaQuery.matches;
    }
    return shouldReduceMotion;
  };
})();