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CodeRabbit
Cloudflare
Railway
OpenRouter
Netlify
AG Grid
Clerk
SerpAPI
WorkOS
Unkey
Prisma
Sentry
Electric
Debouncer API Reference
Throttler API Reference
Rate Limiter API Reference
Queue API Reference
Batcher API Reference

Vanilla Example: LiteThrottle

/**
 * Note: @tanstack/pacer-lite is a stripped-down alternative designed for library use.
 * It does not include TanStack Store, reactivity features, framework adapters, or devtools support
 * that are available in the core @tanstack/pacer package for app development.
 * The core version also includes more advanced features in some utilities.
 */
import { liteThrottle } from '@tanstack/pacer-lite/lite-throttler'

function createApp1() {
  const container = document.createElement('div')

  let instantCount = 0
  let throttledCount = 0

  const throttledSetCount = liteThrottle(
    (newCount: number) => {
      throttledCount = newCount
      console.log('🔄 Throttled count updated:', newCount)
      updateDisplay()
    },
    {
      wait: 500,
    },
  )

  function increment() {
    instantCount += 1
    throttledSetCount(instantCount)
    updateDisplay()
  }

  function decrement() {
    instantCount -= 1
    throttledSetCount(instantCount)
    updateDisplay()
  }

  function updateDisplay() {
    container.innerHTML = `
      <div>
        <h1>TanStack Pacer liteThrottle Example</h1>
        <table>
          <tbody>
            <tr>
              <td>Instant Count:</td>
              <td>${instantCount}</td>
            </tr>
            <tr>
              <td>Throttled Count:</td>
              <td>${throttledCount}</td>
            </tr>
          </tbody>
        </table>
        <div>
          <button id="increment-btn">Increment</button>
          <button id="decrement-btn">Decrement</button>
        </div>
      </div>
    `

    const incrementBtn = container.querySelector(
      '#increment-btn',
    ) as HTMLButtonElement
    const decrementBtn = container.querySelector(
      '#decrement-btn',
    ) as HTMLButtonElement
    incrementBtn?.addEventListener('click', increment)
    decrementBtn?.addEventListener('click', decrement)
  }

  updateDisplay()
  return container
}

const app = document.getElementById('app')!
app.appendChild(createApp1())

console.log(
  'liteThrottle example ready! Click the buttons rapidly and watch the console for throttled executions.',
)
/**
 * Note: @tanstack/pacer-lite is a stripped-down alternative designed for library use.
 * It does not include TanStack Store, reactivity features, framework adapters, or devtools support
 * that are available in the core @tanstack/pacer package for app development.
 * The core version also includes more advanced features in some utilities.
 */
import { liteThrottle } from '@tanstack/pacer-lite/lite-throttler'

function createApp1() {
  const container = document.createElement('div')

  let instantCount = 0
  let throttledCount = 0

  const throttledSetCount = liteThrottle(
    (newCount: number) => {
      throttledCount = newCount
      console.log('🔄 Throttled count updated:', newCount)
      updateDisplay()
    },
    {
      wait: 500,
    },
  )

  function increment() {
    instantCount += 1
    throttledSetCount(instantCount)
    updateDisplay()
  }

  function decrement() {
    instantCount -= 1
    throttledSetCount(instantCount)
    updateDisplay()
  }

  function updateDisplay() {
    container.innerHTML = `
      <div>
        <h1>TanStack Pacer liteThrottle Example</h1>
        <table>
          <tbody>
            <tr>
              <td>Instant Count:</td>
              <td>${instantCount}</td>
            </tr>
            <tr>
              <td>Throttled Count:</td>
              <td>${throttledCount}</td>
            </tr>
          </tbody>
        </table>
        <div>
          <button id="increment-btn">Increment</button>
          <button id="decrement-btn">Decrement</button>
        </div>
      </div>
    `

    const incrementBtn = container.querySelector(
      '#increment-btn',
    ) as HTMLButtonElement
    const decrementBtn = container.querySelector(
      '#decrement-btn',
    ) as HTMLButtonElement
    incrementBtn?.addEventListener('click', increment)
    decrementBtn?.addEventListener('click', decrement)
  }

  updateDisplay()
  return container
}

const app = document.getElementById('app')!
app.appendChild(createApp1())

console.log(
  'liteThrottle example ready! Click the buttons rapidly and watch the console for throttled executions.',
)