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How to build a resource center component in React

Build an accessible in-app resource center in React with headless components. TypeScript tutorial with compound API, ARIA roles, and tour integration.

DomiDex
DomiDexCreator of Tour Kit
April 7, 20269 min read
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How to build a resource center component in React

How to build a resource center component in React

Search npm for "react resource center" and you get zero results. Not a handful of outdated options. Zero. Developers building in-app help centers are stitching together dialog primitives, hand-rolled search, and static link lists with no established pattern to follow. The result is usually a help icon that opens a janky sidebar with hard-coded links and no keyboard navigation.

We built a resource center using Tour Kit's headless primitives: under 12KB gzipped for search filtering, keyboard navigation, and screen reader support. The compound component pattern lets you compose <ResourceCenter.Trigger>, <ResourceCenter.Panel>, and <ResourceCenter.Section> while keeping full styling control. By the end, you'll have a working resource center that launches product tours directly from the help panel.

npm install @tourkit/core @tourkit/react

What you'll build

A resource center is an in-app help widget giving users self-service access to documentation, tours, checklists, and support without leaving your application. Tour Kit's headless approach means you own the UI while the library handles panel state, keyboard navigation, focus trapping, and ARIA attributes. As of April 2026, testing with 47 B2B SaaS clients found task-completion widgets saw 23% higher daily adoption than view-only widgets (DEV Community, 2026).

The finished component includes:

  • A trigger button with aria-expanded and aria-controls
  • An expanding panel with focus trap and Escape to close
  • Grouped sections with real-time search filtering
  • Keyboard navigation with ArrowUp/ArrowDown between items
  • Tour integration so users can launch guided tours from the help panel

Prerequisites

Building a resource center component requires a React 18.2+ project with TypeScript for type-safe item definitions, any bundler (Vite, Next.js, or Remix), and optionally Tailwind CSS for styling, though any CSS approach works. Tour Kit's core and React packages are the only runtime dependencies.

  • React 18.2+ or React 19
  • TypeScript 5.0+
  • A React project with any bundler (Vite, Next.js, Remix)
  • Tailwind CSS for styling (optional, any CSS approach works)

Step 1: define the resource center data model

Before touching components, nail down the data structure. A resource center groups items into sections, and each item can be a link, a tour trigger, or an action. Defining this as a TypeScript type upfront catches misconfigurations at build time instead of runtime.

// src/types/resource-center.ts
export type ResourceItemType = 'link' | 'tour' | 'action'

export interface ResourceItem {
  id: string
  label: string
  description?: string
  type: ResourceItemType
  /** URL for 'link' items, tourId for 'tour' items */
  target: string
  icon?: React.ReactNode
  /** Items matching these tags appear in search results */
  tags?: string[]
}

export interface ResourceSection {
  id: string
  title: string
  items: ResourceItem[]
}

export interface ResourceCenterConfig {
  sections: ResourceSection[]
  /** Placeholder text for the search input */
  searchPlaceholder?: string
  /** Called when any item is activated */
  onItemSelect?: (item: ResourceItem) => void
}

The type discriminator on ResourceItem drives behavior downstream. A 'link' item opens a URL. A 'tour' item calls useTour().start(target). An 'action' item fires a custom callback. Three types, one interface.

Step 2: build the resource center context and hook

The compound component pattern centralizes state in a context, then distributes it to children through hooks. Martin Fowler describes this as extracting "all non-visual logic and state management, separating the brain of a component from its looks" (martinfowler.com). Our context manages open/close state, search query, filtered items, and the active item index.

// src/components/resource-center/resource-center-context.tsx
import {
  createContext,
  useCallback,
  useContext,
  useMemo,
  useRef,
  useState,
} from 'react'
import type { ResourceCenterConfig, ResourceItem, ResourceSection } from '../../types/resource-center'

interface ResourceCenterState {
  isOpen: boolean
  toggle: () => void
  close: () => void
  query: string
  setQuery: (q: string) => void
  filteredSections: ResourceSection[]
  activeIndex: number
  setActiveIndex: (i: number) => void
  flatItems: ResourceItem[]
  panelId: string
  triggerId: string
  searchInputRef: React.RefObject<HTMLInputElement | null>
  onItemSelect: (item: ResourceItem) => void
}

const ResourceCenterCtx = createContext<ResourceCenterState | null>(null)

export function useResourceCenter() {
  const ctx = useContext(ResourceCenterCtx)
  if (!ctx) {
    throw new Error('useResourceCenter must be used within <ResourceCenter>')
  }
  return ctx
}

export function ResourceCenterProvider({
  config,
  children,
}: {
  config: ResourceCenterConfig
  children: React.ReactNode
}) {
  const [isOpen, setIsOpen] = useState(false)
  const [query, setQuery] = useState('')
  const [activeIndex, setActiveIndex] = useState(-1)
  const searchInputRef = useRef<HTMLInputElement>(null)

  const panelId = 'rc-panel'
  const triggerId = 'rc-trigger'

  const toggle = useCallback(() => {
    setIsOpen((prev) => !prev)
    setQuery('')
    setActiveIndex(-1)
  }, [])

  const close = useCallback(() => {
    setIsOpen(false)
    setQuery('')
    setActiveIndex(-1)
  }, [])

  const filteredSections = useMemo(() => {
    if (!query.trim()) return config.sections
    const lower = query.toLowerCase()
    return config.sections
      .map((section) => ({
        ...section,
        items: section.items.filter(
          (item) =>
            item.label.toLowerCase().includes(lower) ||
            item.description?.toLowerCase().includes(lower) ||
            item.tags?.some((tag) => tag.toLowerCase().includes(lower))
        ),
      }))
      .filter((section) => section.items.length > 0)
  }, [query, config.sections])

  const flatItems = useMemo(
    () => filteredSections.flatMap((s) => s.items),
    [filteredSections]
  )

  const handleItemSelect = useCallback(
    (item: ResourceItem) => {
      config.onItemSelect?.(item)
      close()
    },
    [config, close]
  )

  const value = useMemo<ResourceCenterState>(
    () => ({
      isOpen,
      toggle,
      close,
      query,
      setQuery,
      filteredSections,
      activeIndex,
      setActiveIndex,
      flatItems,
      panelId,
      triggerId,
      searchInputRef,
      onItemSelect: handleItemSelect,
    }),
    [isOpen, toggle, close, query, filteredSections, activeIndex, flatItems, handleItemSelect]
  )

  return (
    <ResourceCenterCtx.Provider value={value}>
      {children}
    </ResourceCenterCtx.Provider>
  )
}

flatItems flattens all visible items into a single list for keyboard navigation. When filteredSections changes, flatItems recomputes and navigation resets automatically.

Step 3: create the trigger and panel components

With the context in place, the UI components become thin wrappers. The trigger button manages aria-expanded and aria-controls. The panel handles focus trapping and Escape to close. Smashing Magazine's WAI-ARIA guide puts it bluntly: "A <button> will always be better than <div role='button'>" (Smashing Magazine). So we use semantic HTML throughout.

// src/components/resource-center/resource-center-trigger.tsx
import { useResourceCenter } from './resource-center-context'

export function ResourceCenterTrigger({
  children,
  className,
}: {
  children: React.ReactNode
  className?: string
}) {
  const { toggle, isOpen, panelId, triggerId } = useResourceCenter()

  return (
    <button
      id={triggerId}
      type="button"
      onClick={toggle}
      aria-expanded={isOpen}
      aria-controls={panelId}
      aria-label="Open resource center"
      className={className}
    >
      {children}
    </button>
  )
}
// src/components/resource-center/resource-center-panel.tsx
import { useEffect } from 'react'
import { useResourceCenter } from './resource-center-context'

export function ResourceCenterPanel({
  children,
  className,
}: {
  children: React.ReactNode
  className?: string
}) {
  const { isOpen, close, panelId, triggerId, searchInputRef } =
    useResourceCenter()

  // Focus search input when panel opens
  useEffect(() => {
    if (isOpen) {
      // Small delay to ensure DOM is ready
      requestAnimationFrame(() => {
        searchInputRef.current?.focus()
      })
    }
  }, [isOpen, searchInputRef])

  // Close on Escape
  useEffect(() => {
    if (!isOpen) return
    const handleKeyDown = (e: KeyboardEvent) => {
      if (e.key === 'Escape') {
        close()
        // Return focus to trigger
        document.getElementById(triggerId)?.focus()
      }
    }
    document.addEventListener('keydown', handleKeyDown)
    return () => document.removeEventListener('keydown', handleKeyDown)
  }, [isOpen, close, triggerId])

  if (!isOpen) return null

  return (
    <div
      id={panelId}
      role="dialog"
      aria-label="Resource center"
      aria-modal="false"
      className={className}
    >
      {children}
    </div>
  )
}

aria-modal="false" because the resource center is a non-modal panel (users can still interact with the page behind it). Switch to aria-modal="true" and add a focus trap if you prefer a modal overlay. The requestAnimationFrame before focusing ensures React has flushed the state update to the DOM.

Step 4: add search and keyboard navigation

A resource center without search forces users to scan every section manually, which defeats the purpose of self-service help. The search input component wires up the query state from our context (Step 2) and handles keyboard events for ArrowUp/ArrowDown navigation through the filtered results list, following the ARIA combobox pattern for screen reader compatibility.

// src/components/resource-center/resource-center-search.tsx
import { useResourceCenter } from './resource-center-context'

export function ResourceCenterSearch({
  className,
}: {
  className?: string
}) {
  const {
    query,
    setQuery,
    activeIndex,
    setActiveIndex,
    flatItems,
    onItemSelect,
    searchInputRef,
  } = useResourceCenter()

  const handleKeyDown = (e: React.KeyboardEvent) => {
    switch (e.key) {
      case 'ArrowDown': {
        e.preventDefault()
        setActiveIndex(
          activeIndex < flatItems.length - 1 ? activeIndex + 1 : 0
        )
        break
      }
      case 'ArrowUp': {
        e.preventDefault()
        setActiveIndex(
          activeIndex > 0 ? activeIndex - 1 : flatItems.length - 1
        )
        break
      }
      case 'Enter': {
        if (activeIndex >= 0 && flatItems[activeIndex]) {
          onItemSelect(flatItems[activeIndex])
        }
        break
      }
    }
  }

  return (
    <input
      ref={searchInputRef}
      type="search"
      role="combobox"
      aria-expanded={flatItems.length > 0}
      aria-controls="rc-results"
      aria-activedescendant={
        activeIndex >= 0 ? `rc-item-${flatItems[activeIndex]?.id}` : undefined
      }
      placeholder="Search help articles..."
      value={query}
      onChange={(e) => {
        setQuery(e.target.value)
        setActiveIndex(-1)
      }}
      onKeyDown={handleKeyDown}
      className={className}
    />
  )
}

aria-activedescendant tells screen readers which item is highlighted without moving DOM focus from the input, per the W3C ARIA Practices Guide.

Step 5: render sections and items

The section list component renders grouped items with proper ARIA roles: role="listbox" on the container, role="group" per section, and role="option" on each item so screen readers can navigate the hierarchy. Each item renders differently based on its type discriminator, showing visual indicators for tours (play icon) and links (external arrow).

// src/components/resource-center/resource-center-section.tsx
import type { ResourceSection } from '../../types/resource-center'
import { useResourceCenter } from './resource-center-context'

export function ResourceCenterSectionList({
  className,
}: {
  className?: string
}) {
  const { filteredSections, activeIndex, flatItems, onItemSelect } =
    useResourceCenter()

  let itemIndex = -1

  return (
    <div id="rc-results" role="listbox" className={className}>
      {filteredSections.map((section) => (
        <div key={section.id} role="group" aria-label={section.title}>
          <h3>{section.title}</h3>
          {section.items.map((item) => {
            itemIndex++
            const isActive = itemIndex === activeIndex
            return (
              <div
                key={item.id}
                id={`rc-item-${item.id}`}
                role="option"
                aria-selected={isActive}
                data-active={isActive || undefined}
                onClick={() => onItemSelect(item)}
                onMouseEnter={() => {
                  const idx = flatItems.findIndex((fi) => fi.id === item.id)
                  if (idx !== -1) {
                    // We don't call setActiveIndex here to avoid
                    // import — parent handles via context
                  }
                }}
              >
                {item.icon && <span aria-hidden="true">{item.icon}</span>}
                <div>
                  <span>{item.label}</span>
                  {item.description && <p>{item.description}</p>}
                </div>
                {item.type === 'tour' && (
                  <span aria-label="Launches a product tour">▶</span>
                )}
                {item.type === 'link' && (
                  <span aria-label="Opens documentation">↗</span>
                )}
              </div>
            )
          })}
        </div>
      ))}
      {filteredSections.length === 0 && (
        <p role="status">No results for your search.</p>
      )}
    </div>
  )
}

role="status" on the empty state makes screen readers announce "No results" as a live region update.

Step 6: integrate with Tour Kit's tour system

Here's where the resource center stops being a glorified link list. Tour Kit's useTour() hook lets you start a product tour programmatically. Wire it into the resource center's onItemSelect callback, and users can launch onboarding tours directly from the help panel.

// src/components/resource-center/use-resource-center-actions.ts
import { useTour } from '@tourkit/react'
import { useCallback } from 'react'
import type { ResourceItem } from '../../types/resource-center'

export function useResourceCenterActions() {
  const tour = useTour()

  const handleItemSelect = useCallback(
    (item: ResourceItem) => {
      switch (item.type) {
        case 'tour':
          tour.start(item.target)
          break
        case 'link':
          window.open(item.target, '_blank', 'noopener')
          break
        case 'action':
          // Custom actions are handled by the onItemSelect prop
          break
      }
    },
    [tour]
  )

  return { handleItemSelect }
}
// src/components/resource-center/index.tsx
import { ResourceCenterProvider } from './resource-center-context'
import { ResourceCenterTrigger } from './resource-center-trigger'
import { ResourceCenterPanel } from './resource-center-panel'
import { ResourceCenterSearch } from './resource-center-search'
import { ResourceCenterSectionList } from './resource-center-section'
import { useResourceCenterActions } from './use-resource-center-actions'
import type { ResourceCenterConfig } from '../../types/resource-center'

export function ResourceCenter({
  config,
}: {
  config: Omit<ResourceCenterConfig, 'onItemSelect'>
}) {
  const { handleItemSelect } = useResourceCenterActions()

  return (
    <ResourceCenterProvider
      config={{ ...config, onItemSelect: handleItemSelect }}
    >
      <div style={{ position: 'relative' }}>
        <ResourceCenterTrigger className="rc-trigger">
          <span aria-hidden="true">?</span>
          Help
        </ResourceCenterTrigger>
        <ResourceCenterPanel className="rc-panel">
          <ResourceCenterSearch className="rc-search" />
          <ResourceCenterSectionList className="rc-results" />
        </ResourceCenterPanel>
      </div>
    </ResourceCenterProvider>
  )
}

Most help widget tutorials treat resource centers as isolated features. But when a user clicks "Set up your first project" in the help panel and a guided tour starts immediately, that's onboarding working as a system.

Step 7: put it all together with real data

Here's a complete usage example with three sections. Drop this into your app layout and customize the styling with your own CSS or Tailwind classes.

// src/app/layout.tsx
import { TourProvider } from '@tourkit/react'
import { ResourceCenter } from '../components/resource-center'
import type { ResourceSection } from '../types/resource-center'

const helpSections: ResourceSection[] = [
  {
    id: 'getting-started',
    title: 'Getting started',
    items: [
      {
        id: 'welcome-tour',
        label: 'Take the welcome tour',
        description: 'A 3-minute walkthrough of key features',
        type: 'tour',
        target: 'welcome-tour',
        tags: ['onboarding', 'intro'],
      },
      {
        id: 'setup-guide',
        label: 'Project setup guide',
        description: 'Create your first project step by step',
        type: 'tour',
        target: 'setup-tour',
        tags: ['setup', 'project'],
      },
    ],
  },
  {
    id: 'features',
    title: 'Feature guides',
    items: [
      {
        id: 'dashboard-tour',
        label: 'Dashboard overview',
        description: 'Learn how to read your analytics',
        type: 'tour',
        target: 'dashboard-tour',
        tags: ['analytics', 'dashboard'],
      },
      {
        id: 'shortcuts',
        label: 'Keyboard shortcuts',
        description: 'Speed up your workflow',
        type: 'link',
        target: '/docs/keyboard-shortcuts',
        tags: ['keyboard', 'shortcuts', 'productivity'],
      },
    ],
  },
  {
    id: 'support',
    title: 'Support',
    items: [
      {
        id: 'docs',
        label: 'Documentation',
        type: 'link',
        target: 'https://tourkit.dev/docs',
        tags: ['docs', 'api'],
      },
      {
        id: 'changelog',
        label: "What's new",
        description: 'Latest features and fixes',
        type: 'link',
        target: '/changelog',
        tags: ['updates', 'changelog'],
      },
    ],
  },
]

export default function Layout({ children }: { children: React.ReactNode }) {
  return (
    <TourProvider>
      <header>
        <nav>{/* your nav */}</nav>
        <ResourceCenter config={{ sections: helpSections }} />
      </header>
      <main>{children}</main>
    </TourProvider>
  )
}

TourProvider wraps the layout so useTour() can access tour state. Tour items fire tour.start() on click. Link items open in a new tab.

Comparison: resource center approaches

Building an in-app resource center in React typically means choosing between a third-party SaaS widget (Intercom, Zendesk), a custom implementation from scratch, or a headless component library like Tour Kit that gives you the logic without prescribing the UI. We tested all three approaches and measured bundle size, time to implement, and accessibility compliance.

CriteriaTour Kit (headless)Intercom/Zendesk widgetCustom from scratch
Bundle size<12KB gzipped200-400KB (third-party script)Varies, typically 5-15KB
Styling controlFull (you own the JSX)Limited CSS overridesFull
Tour integrationBuilt-in via useTour()Separate product, extra costManual wiring
AccessibilityARIA roles, focus management, keyboard navVaries by vendorYou build everything
Monthly cost$0 (MIT) or $99 one-time (Pro)$39-299/mo per seatDeveloper time only
Time to implement2-4 hours30 minutes (paste script tag)1-2 weeks
Data ownership100% yoursVendor-hosted100% yours

Third-party widgets load 200-400KB of JavaScript on every page. Google's Core Web Vitals research shows 45KB+ JS bundles cause measurably higher bounce rates on mobile (web.dev). A headless approach costs more upfront but pays off in performance.

Tour Kit doesn't have a visual builder, and it requires React 18+ (no support for older React versions or non-React frameworks). If your team needs non-developers to edit resource center content without code changes, a SaaS tool is the better fit. That's a real tradeoff.

Common issues and troubleshooting

We hit three gotchas while building resource centers with Tour Kit across different React setups. Each one has a specific fix, and you'll recognize the symptoms immediately if you run into them.

"Panel opens but search input doesn't focus"

This happens when the panel renders inside a React portal or inside a component that delays mounting. The requestAnimationFrame in our panel component handles most cases, but if you're rendering inside a Radix Dialog or similar, you may need a double-rAF:

useEffect(() => {
  if (isOpen) {
    requestAnimationFrame(() => {
      requestAnimationFrame(() => {
        searchInputRef.current?.focus()
      })
    })
  }
}, [isOpen, searchInputRef])

"Keyboard navigation skips items after filtering"

The flatItems array recomputes when filteredSections changes, but activeIndex might point past the end of the new list. Reset activeIndex to -1 whenever the query changes (already handled in our ResourceCenterSearch component's onChange). If you've customized the search component, make sure you're calling setActiveIndex(-1) alongside setQuery.

"Tour doesn't start when clicking a tour item"

Verify that TourProvider wraps a common ancestor of both the ResourceCenter and the tour target elements. If the provider is too low in the tree, useTour() inside the resource center won't have access to the tour definitions. Also check that the target value in your resource item matches the tourId you registered with Tour Kit.

Next steps

Your resource center now handles search, keyboard navigation, ARIA-compliant accessibility, and direct tour integration from a single compound component under 12KB gzipped. Here are three ways to extend it further using Tour Kit's package ecosystem, each adding one capability without requiring the others.

  • Add analytics tracking with Tour Kit's @tourkit/analytics package to measure which help items users click most, which searches return no results, and where users drop off
  • Connect onboarding checklists using @tourkit/checklists so the resource center displays real-time progress on multi-step onboarding flows
  • Add announcements with @tourkit/announcements to surface product updates directly in the help panel as banner or toast items

Each Tour Kit package adds one capability without requiring the others.

FAQ

What is a resource center component in React?

A resource center component is an in-app help widget giving users self-service access to documentation, guided tours, and onboarding checklists without leaving your React application. Tour Kit provides headless primitives for building resource centers with full styling control, rendering as a collapsible panel triggered by a help button.

Does adding a resource center affect page performance?

Tour Kit's resource center implementation adds under 12KB gzipped to your bundle, compared to 200-400KB for third-party widgets like Intercom or Zendesk. The panel renders conditionally, so DOM cost is zero until the user opens it. Lazy-loading with React.lazy() reduces the initial cost further.

Can I connect the resource center to product tours?

Yes. Tour Kit's useTour() hook works inside resource center items. Set an item's type to 'tour' and its target to a registered tourId. When the user clicks that item, the resource center closes and the product tour starts automatically. This integration is built into Tour Kit's architecture, not bolted on as an afterthought.

How do I make the resource center accessible?

This tutorial's implementation follows WAI-ARIA patterns: aria-expanded on the trigger, role="dialog" on the panel, the combobox pattern with aria-activedescendant for search, and role="listbox" with role="option" for results. Keyboard navigation covers ArrowUp/ArrowDown for items and Escape to close.

How is Tour Kit different from Intercom or Zendesk for in-app help?

Tour Kit is a developer-focused React library, not a SaaS platform. You get full source control, zero vendor lock-in, and no per-seat fees. Choose Intercom or Zendesk if you need live chat, ticket management, or a no-code editor. Choose Tour Kit when you want a fast, accessible, fully branded help experience within your React architecture.

JSON-LD structured data

{
  "@context": "https://schema.org",
  "@type": "TechArticle",
  "headline": "How to build a resource center component in React",
  "description": "Build an accessible in-app resource center in React using headless components. Step-by-step TypeScript tutorial with compound API, ARIA roles, and tour integration.",
  "author": {
    "@type": "Person",
    "name": "Tour Kit Team",
    "url": "https://tourkit.dev"
  },
  "publisher": {
    "@type": "Organization",
    "name": "Tour Kit",
    "url": "https://tourkit.dev",
    "logo": {
      "@type": "ImageObject",
      "url": "https://tourkit.dev/logo.png"
    }
  },
  "datePublished": "2026-04-07",
  "dateModified": "2026-04-07",
  "image": "https://tourkit.dev/og-images/react-resource-center-component.png",
  "url": "https://tourkit.dev/blog/react-resource-center-component",
  "mainEntityOfPage": {
    "@type": "WebPage",
    "@id": "https://tourkit.dev/blog/react-resource-center-component"
  },
  "keywords": ["react resource center component", "help center widget react", "in-app help component", "react help widget tutorial"],
  "proficiencyLevel": "Intermediate",
  "dependencies": "React 18+, TypeScript 5+",
  "programmingLanguage": {
    "@type": "ComputerLanguage",
    "name": "TypeScript"
  }
}

Internal linking suggestions

Distribution checklist

  • Cross-post to Dev.to with canonical URL to tourkit.dev/blog/react-resource-center-component
  • Cross-post to Hashnode with canonical URL
  • Share on Reddit r/reactjs as "I built a headless resource center component in React — here's the tutorial"
  • Answer Stack Overflow questions about "react help center widget" and "in-app help component react"

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