useTabs

import { useTabs } from 'boltdocs/client'

interface UseTabsReturn {
  tabs: BoltdocsTab[]                 // Array of configured category tab items
  activeIndex: number                 // Index of the matching category tab (defaults to 0)
  indicatorStyle: React.CSSProperties // Animated CSS styles (transform translate, width, and opacity)
  tabRefs: React.MutableRefObject<(HTMLAnchorElement | null)[]> // Ref tracker to measure tab sizes
  activeTabId: string | undefined     // String identifier representing the active route tab
}

interface BoltdocsTab {
  id: string                          // Unique tab identifier (e.g. 'docs', 'guide')
  label: string                       // Display label of the tab (e.g. 'Reference Guide')
  to: string                          // Relative root folder route
}

import React from 'react'
import { useTabs, useRoutes } from 'boltdocs/client'

export default function CategoryTabs() {
  const { config, allRoutes } = useRoutes()
  const { tabs, activeIndex, indicatorStyle, tabRefs } = useTabs(
    config.theme?.tabs || [],
    allRoutes || []
  )

  if (tabs.length === 0) return null

  return (
    <div className="relative flex items-center border-b border-subtle h-12 bg-main px-4">
      <div className="relative flex gap-2 h-full">
        {/* Animated sliding indicator backdrop pill */}
        <div
          style={indicatorStyle}
          className="absolute bottom-0 left-0 h-0.5 bg-primary-500 transition-all duration-300 ease-out"
        />

        {tabs.map((tab, idx) => (
          <a
            key={tab.id}
            href={tab.to}
            ref={(el) => {
              tabRefs.current[idx] = el
            }}
            className={`flex items-center px-4 h-full text-sm transition-colors ${
              idx === activeIndex
                ? 'text-primary font-semibold'
                : 'text-muted hover:text-body'
            }`}
          >
            {tab.label}
          </a>
        ))}
      </div>
    </div>
  )
}