@hookies/key-bindings/src/hooks/getOS.ts

A React hook library for adding keyboard shortcuts

/**
 * Returns the user's operating system as a string.
 */
export function getOS(): string {
  if (typeof window === "undefined") return "Unknown"; // Prevents SSR issues
  return detectOS();
}

function detectOS(): string {
  const userAgent = window.navigator.userAgent.toLowerCase();
  const platform = window.navigator.platform.toLowerCase();

  if (platform.includes("mac")) return "MacOS";
  if (platform.includes("win")) return "Windows";
  if (platform.includes("linux")) return "Linux";
  if (userAgent.includes("android")) return "Android";
  if (/iphone|ipad|ipod/.test(userAgent)) return "iOS";

  return "Unknown";
}