Solid Example: CreateDebouncedSignal

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import { createSignal } from 'solid-js'
import { render } from 'solid-js/web'
import { createDebouncedSignal } from '@tanstack/solid-pacer/debouncer'

function App1() {
  const [instantCount, setInstantCount] = createSignal(0)

  // higher-level hook that uses Solid.createSignal with the state setter automatically debounced
  // optionally, grab the debouncer from the last index of the returned array
  const [debouncedCount, setDebouncedCount, debouncer] = createDebouncedSignal(
    instantCount(),
    {
      wait: 500,
      // leading: true, // optional, defaults to false
    },
  )

  function increment() {
    // this pattern helps avoid common bugs with stale closures and state
    setInstantCount((c) => {
      const newInstantCount = c + 1 // common new value for both
      setDebouncedCount(newInstantCount) // debounced state update
      return newInstantCount // instant state update
    })
  }

  return (
    <div>
      <h1>TanStack Pacer createDebouncedSignal Example 1</h1>
      <table>
        <tbody>
          <tr>
            <td>Execution Count:</td>
            <td>{debouncer.executionCount()}</td>
          </tr>
          <tr>
            <td colSpan={2}>
              <hr />
            </td>
          </tr>
          <tr>
            <td>Instant Count:</td>
            <td>{instantCount()}</td>
          </tr>
          <tr>
            <td>Debounced Count:</td>
            <td>{debouncedCount()}</td>
          </tr>
        </tbody>
      </table>
      <div>
        <button onClick={increment}>Increment</button>
      </div>
    </div>
  )
}

function App2() {
  const [instantSearch, setInstantSearch] = createSignal('')

  // higher-level hook that uses Solid.createSignal with the state setter automatically debounced
  const [debouncedSearch, setDebouncedSearch, debouncer] =
    createDebouncedSignal(instantSearch(), {
      wait: 500,
    })

  function handleSearchChange(e: Event) {
    const target = e.target as HTMLInputElement
    const newValue = target.value
    setInstantSearch(newValue)
    setDebouncedSearch(newValue)
  }

  return (
    <div>
      <h1>TanStack Pacer createDebouncedSignal Example 2</h1>
      <div>
        <input
          autofocus
          type="search"
          value={instantSearch()}
          onInput={handleSearchChange}
          placeholder="Type to search..."
          style={{ width: '100%' }}
        />
      </div>
      <table>
        <tbody>
          <tr>
            <td>Execution Count:</td>
            <td>{debouncer.executionCount()}</td>
          </tr>
          <tr>
            <td colSpan={2}>
              <hr />
            </td>
          </tr>
          <tr>
            <td>Instant Search:</td>
            <td>{instantSearch()}</td>
          </tr>
          <tr>
            <td>Debounced Search:</td>
            <td>{debouncedSearch()}</td>
          </tr>
        </tbody>
      </table>
    </div>
  )
}

render(
  () => (
    <div>
      <App1 />
      <hr />
      <App2 />
    </div>
  ),
  document.getElementById('root')!,
)

import { createSignal } from 'solid-js'
import { render } from 'solid-js/web'
import { createDebouncedSignal } from '@tanstack/solid-pacer/debouncer'

function App1() {
  const [instantCount, setInstantCount] = createSignal(0)

  // higher-level hook that uses Solid.createSignal with the state setter automatically debounced
  // optionally, grab the debouncer from the last index of the returned array
  const [debouncedCount, setDebouncedCount, debouncer] = createDebouncedSignal(
    instantCount(),
    {
      wait: 500,
      // leading: true, // optional, defaults to false
    },
  )

  function increment() {
    // this pattern helps avoid common bugs with stale closures and state
    setInstantCount((c) => {
      const newInstantCount = c + 1 // common new value for both
      setDebouncedCount(newInstantCount) // debounced state update
      return newInstantCount // instant state update
    })
  }

  return (
    <div>
      <h1>TanStack Pacer createDebouncedSignal Example 1</h1>
      <table>
        <tbody>
          <tr>
            <td>Execution Count:</td>
            <td>{debouncer.executionCount()}</td>
          </tr>
          <tr>
            <td colSpan={2}>
              <hr />
            </td>
          </tr>
          <tr>
            <td>Instant Count:</td>
            <td>{instantCount()}</td>
          </tr>
          <tr>
            <td>Debounced Count:</td>
            <td>{debouncedCount()}</td>
          </tr>
        </tbody>
      </table>
      <div>
        <button onClick={increment}>Increment</button>
      </div>
    </div>
  )
}

function App2() {
  const [instantSearch, setInstantSearch] = createSignal('')

  // higher-level hook that uses Solid.createSignal with the state setter automatically debounced
  const [debouncedSearch, setDebouncedSearch, debouncer] =
    createDebouncedSignal(instantSearch(), {
      wait: 500,
    })

  function handleSearchChange(e: Event) {
    const target = e.target as HTMLInputElement
    const newValue = target.value
    setInstantSearch(newValue)
    setDebouncedSearch(newValue)
  }

  return (
    <div>
      <h1>TanStack Pacer createDebouncedSignal Example 2</h1>
      <div>
        <input
          autofocus
          type="search"
          value={instantSearch()}
          onInput={handleSearchChange}
          placeholder="Type to search..."
          style={{ width: '100%' }}
        />
      </div>
      <table>
        <tbody>
          <tr>
            <td>Execution Count:</td>
            <td>{debouncer.executionCount()}</td>
          </tr>
          <tr>
            <td colSpan={2}>
              <hr />
            </td>
          </tr>
          <tr>
            <td>Instant Search:</td>
            <td>{instantSearch()}</td>
          </tr>
          <tr>
            <td>Debounced Search:</td>
            <td>{debouncedSearch()}</td>
          </tr>
        </tbody>
      </table>
    </div>
  )
}

render(
  () => (
    <div>
      <App1 />
      <hr />
      <App2 />
    </div>
  ),
  document.getElementById('root')!,
)