Tab Menu Horizontal

// AlignUI useTabObserver v0.0.0
 
import * as React from 'react';
 
interface TabObserverOptions {
  onActiveTabChange?: (index: number, element: HTMLElement) => void;
}
 
export function useTabObserver({ onActiveTabChange }: TabObserverOptions = {}) {
  const [mounted, setMounted] = React.useState(false);
  const listRef = React.useRef<HTMLDivElement>(null);
  const onActiveTabChangeRef = React.useRef(onActiveTabChange);
 
  React.useEffect(() => {
    onActiveTabChangeRef.current = onActiveTabChange;
  }, [onActiveTabChange]);
 
  const handleUpdate = React.useCallback(() => {
    if (listRef.current) {
      const tabs = listRef.current.querySelectorAll('[role="tab"]');
      tabs.forEach((el, i) => {
        if (el.getAttribute('data-state') === 'active') {
          onActiveTabChangeRef.current?.(i, el as HTMLElement);
        }
      });
    }
  }, []);
 
  React.useEffect(() => {
    setMounted(true);
 
    const resizeObserver = new ResizeObserver(handleUpdate);
    const mutationObserver = new MutationObserver(handleUpdate);
 
    if (listRef.current) {
      resizeObserver.observe(listRef.current);
      mutationObserver.observe(listRef.current, {
        childList: true,
        subtree: true,
        attributes: true,
      });
    }
 
    handleUpdate();
 
    return () => {
      resizeObserver.disconnect();
      mutationObserver.disconnect();
    };
  }, []);
 
  return { mounted, listRef };
}

// AlignUI TabMenuHorizontal v0.0.0
 
'use client';
 
import * as React from 'react';
import { Slottable } from '@radix-ui/react-slot';
import * as TabsPrimitive from '@radix-ui/react-tabs';
import mergeRefs from 'merge-refs';
 
import { useTabObserver } from '@/hooks/use-tab-observer';
import { cn, cnExt } from '@/utils/cn';
import type { PolymorphicComponentProps } from '@/utils/polymorphic';
 
const TabMenuHorizontalContent = TabsPrimitive.Content;
TabMenuHorizontalContent.displayName = 'TabMenuHorizontalContent';
 
const TabMenuHorizontalRoot = React.forwardRef<
  React.ComponentRef<typeof TabsPrimitive.Root>,
  Omit<React.ComponentPropsWithoutRef<typeof TabsPrimitive.Root>, 'orientation'>
>(({ className, ...rest }, forwardedRef) => {
  return (
    <TabsPrimitive.Root
      ref={forwardedRef}
      orientation='horizontal'
      className={cnExt('w-full', className)}
      {...rest}
    />
  );
});
TabMenuHorizontalRoot.displayName = 'TabMenuHorizontalRoot';
 
const TabMenuHorizontalList = React.forwardRef<
  React.ComponentRef<typeof TabsPrimitive.List>,
  React.ComponentPropsWithoutRef<typeof TabsPrimitive.List> & {
    wrapperClassName?: string;
  }
>(({ children, className, wrapperClassName, ...rest }, forwardedRef) => {
  const [lineStyle, setLineStyle] = React.useState({ width: 0, left: 0 });
  const listWrapperRef = React.useRef<HTMLDivElement>(null);
 
  const { mounted, listRef } = useTabObserver({
    onActiveTabChange: (_, activeTab) => {
      const { offsetWidth: width, offsetLeft: left } = activeTab;
      setLineStyle({ width, left });
 
      const listWrapper = listWrapperRef.current;
      if (listWrapper) {
        const containerWidth = listWrapper.clientWidth;
        const scrollPosition = left - containerWidth / 2 + width / 2;
 
        listWrapper.scrollTo({
          left: scrollPosition,
          behavior: 'smooth',
        });
      }
    },
  });
 
  return (
    <div
      ref={listWrapperRef}
      className={cn(
        'relative grid overflow-x-auto overflow-y-hidden overscroll-contain',
        wrapperClassName,
      )}
    >
      <TabsPrimitive.List
        ref={mergeRefs(forwardedRef, listRef)}
        className={cnExt(
          'group/tab-list relative flex h-12 items-center gap-6 whitespace-nowrap border-y border-stroke-soft-200',
          className,
        )}
        {...rest}
      >
        <Slottable>{children}</Slottable>
 
        {/* Floating Bg */}
        <div
          className={cn(
            'absolute -bottom-px left-0 h-0.5 bg-primary-base opacity-0 transition-all duration-300 group-has-[[data-state=active]]/tab-list:opacity-100',
            {
              hidden: !mounted,
            },
          )}
          style={{
            transform: `translate3d(${lineStyle.left}px, 0, 0)`,
            width: `${lineStyle.width}px`,
            transitionTimingFunction: 'cubic-bezier(0.65, 0, 0.35, 1)',
          }}
          aria-hidden='true'
        />
      </TabsPrimitive.List>
    </div>
  );
});
TabMenuHorizontalList.displayName = 'TabMenuHorizontalList';
 
const TabMenuHorizontalTrigger = React.forwardRef<
  React.ComponentRef<typeof TabsPrimitive.Trigger>,
  React.ComponentPropsWithoutRef<typeof TabsPrimitive.Trigger>
>(({ className, ...rest }, forwardedRef) => {
  return (
    <TabsPrimitive.Trigger
      ref={forwardedRef}
      className={cnExt(
        // base
        'group/tab-item h-12 py-3.5 text-label-sm text-text-sub-600 outline-none',
        'flex items-center justify-center gap-1.5',
        'transition duration-200 ease-out',
        // focus
        'focus:outline-none',
        // active
        'data-[state=active]:text-text-strong-950',
        className,
      )}
      {...rest}
    />
  );
});
TabMenuHorizontalTrigger.displayName = 'TabMenuHorizontalTrigger';
 
function TabMenuHorizontalIcon<T extends React.ElementType>({
  className,
  as,
  ...rest
}: PolymorphicComponentProps<T>) {
  const Component = as || 'div';
 
  return (
    <Component
      className={cnExt(
        // base
        'size-5 text-text-sub-600',
        'transition duration-200 ease-out',
        // active
        'group-data-[state=active]/tab-item:text-primary-base',
        className,
      )}
      {...rest}
    />
  );
}
TabMenuHorizontalIcon.displayName = 'TabsHorizontalIcon';
 
function TabMenuHorizontalArrowIcon<T extends React.ElementType>({
  className,
  as,
  ...rest
}: PolymorphicComponentProps<T, React.HTMLAttributes<HTMLDivElement>>) {
  const Component = as || 'div';
 
  return (
    <Component
      className={cnExt('size-5 text-text-sub-600', className)}
      {...rest}
    />
  );
}
TabMenuHorizontalArrowIcon.displayName = 'TabsHorizontalArrow';
 
export {
  TabMenuHorizontalRoot as Root,
  TabMenuHorizontalList as List,
  TabMenuHorizontalTrigger as Trigger,
  TabMenuHorizontalIcon as Icon,
  TabMenuHorizontalArrowIcon as ArrowIcon,
  TabMenuHorizontalContent as Content,
};