calendar/packages/features/settings/appDir/SettingsHeader.tsx

import React, { Suspense } from "react";

import { classNames } from "@calcom/lib";
import { Icon } from "@calcom/ui";

interface HeaderProps {
  children: React.ReactNode;
  title?: string;
  description?: string;
  CTA?: React.ReactNode;
  borderInShellHeader?: boolean;
  backButton?: boolean;
}

export default function Header({
  children,
  title,
  description,
  CTA,
  borderInShellHeader,
  backButton,
}: HeaderProps) {
  return (
    <div>
      <header
        className={classNames(
          "border-subtle mx-auto block justify-between sm:flex",
          borderInShellHeader && "rounded-t-lg border px-4 py-6 sm:px-6",
          borderInShellHeader === undefined && "mb-8 border-b pb-8"
        )}>
        <div className="flex w-full items-center">
          {backButton && (
            <a href="javascript:history.back()">
              <Icon name="arrow-left" className="mr-7" />
            </a>
          )}
          <div>
            {title ? (
              <h1 className="font-cal text-emphasis mb-1 text-xl font-semibold leading-5 tracking-wide">
                {title}
              </h1>
            ) : (
              <div className="bg-emphasis mb-1 h-5 w-24 animate-pulse rounded-lg" />
            )}
            {description ? (
              <p className="text-default text-sm ltr:mr-4 rtl:ml-4">{description}</p>
            ) : (
              <div className="bg-emphasis h-5 w-32 animate-pulse rounded-lg" />
            )}
          </div>
          <div className="ms-auto flex-shrink-0">{CTA}</div>
        </div>
      </header>
      <Suspense fallback={<Icon name="loader" />}>{children}</Suspense>
    </div>
  );
}