export const isAppleOS = () =>
  /Mac/.test(navigator.platform) ||
  (/AppleWebKit/.test(navigator.userAgent) &&
    /Mobile\/\w+/.test(navigator.userAgent));

export function formatKeyboardShortcut(shortcut: string) {
  if (isAppleOS()) {
    return shortcut.replace("Mod", "⌘");
  } else {
    return shortcut.replace("Mod", "Ctrl");
  }
}

export function mergeCSSClasses(...classes: string[]) {
  return classes.filter((c) => c).join(" ");
}

export class UnreachableCaseError extends Error {
  constructor(val: never) {
    super(`Unreachable case: ${val}`);
  }
}