📄 tanstack/pacer/latest/docs/framework/solid/examples/createRateLimitedValue
File: createRateLimitedValue.md | Updated: 11/15/2025
Source: https://tanstack.com/pacer/latest/docs/framework/solid/examples/createRateLimitedValue
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Getting Started
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Solid Example: CreateRateLimitedValue
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tsx
import { createSignal } from 'solid-js'
import { render } from 'solid-js/web'
import { createRateLimitedValue } from '@tanstack/solid-pacer/rate-limiter'
function App1() {
const [windowType, setWindowType] = createSignal<'fixed' | 'sliding'>('fixed')
const [instantCount, setInstantCount] = createSignal(0)
// Using createRateLimitedValue with a rate limit of 5 executions per 5 seconds
const [limitedCount] = createRateLimitedValue(
instantCount,
{
limit: 5,
window: 5000,
windowType: windowType(),
},
(state) => ({
executionCount: state.executionCount,
rejectionCount: state.rejectionCount,
}),
)
function increment() {
setInstantCount((c) => c + 1)
}
return (
<div>
<h1>TanStack Pacer createRateLimitedValue Example 1</h1>
<div style={{ display: 'grid', gap: '0.5rem', 'margin-bottom': '1rem' }}>
<label>
<input
type="radio"
name="windowType"
value="fixed"
checked={windowType() === 'fixed'}
onChange={() => setWindowType('fixed')}
/>
Fixed Window
</label>
<label>
<input
type="radio"
name="windowType"
value="sliding"
checked={windowType() === 'sliding'}
onChange={() => setWindowType('sliding')}
/>
Sliding Window
</label>
</div>
<table>
<tbody>
<tr>
<td>Instant Count:</td>
<td>{instantCount()}</td>
</tr>
<tr>
<td>Rate Limited Count:</td>
<td>{limitedCount()}</td>
</tr>
</tbody>
</table>
<div>
<button onClick={increment}>Increment</button>
</div>
</div>
)
}
function App2() {
const [windowType, setWindowType] = createSignal<'fixed' | 'sliding'>('fixed')
const [instantSearch, setInstantSearch] = createSignal('')
// Using createRateLimitedValue with a rate limit of 5 executions per 5 seconds
const [limitedSearch] = createRateLimitedValue(
instantSearch,
{
limit: 5,
window: 5000,
windowType: windowType(),
},
(state) => ({
executionCount: state.executionCount,
rejectionCount: state.rejectionCount,
}),
)
function handleSearchChange(e: Event) {
setInstantSearch((e.target as HTMLInputElement).value)
}
return (
<div>
<h1>TanStack Pacer createRateLimitedValue Example 2</h1>
<div style={{ display: 'grid', gap: '0.5rem', 'margin-bottom': '1rem' }}>
<label>
<input
type="radio"
name="windowType2"
value="fixed"
checked={windowType() === 'fixed'}
onChange={() => setWindowType('fixed')}
/>
Fixed Window
</label>
<label>
<input
type="radio"
name="windowType2"
value="sliding"
checked={windowType() === 'sliding'}
onChange={() => setWindowType('sliding')}
/>
Sliding Window
</label>
</div>
<div>
<input
autofocus
type="search"
value={instantSearch()}
onInput={handleSearchChange}
placeholder="Type to search..."
style={{ width: '100%' }}
/>
</div>
<table>
<tbody>
<tr>
<td>Instant Search:</td>
<td>{instantSearch()}</td>
</tr>
<tr>
<td>Rate Limited Search:</td>
<td>{limitedSearch()}</td>
</tr>
</tbody>
</table>
</div>
)
}
function App3() {
const [windowType, setWindowType] = createSignal<'fixed' | 'sliding'>('fixed')
const [currentValue, setCurrentValue] = createSignal(50)
const [instantExecutionCount, setInstantExecutionCount] = createSignal(0)
// Using createRateLimitedValue with a rate limit of 5 executions per 5 seconds
const [limitedValue, rateLimiter] = createRateLimitedValue(
currentValue,
{
limit: 20,
window: 2000,
windowType: windowType(),
onReject: (rateLimiter) =>
console.log(
'Rejected by rate limiter',
rateLimiter.getMsUntilNextWindow(),
),
},
(state) => ({
executionCount: state.executionCount,
rejectionCount: state.rejectionCount,
}),
)
function handleRangeChange(e: Event) {
const target = e.target as HTMLInputElement
const newValue = parseInt(target.value, 10)
setCurrentValue(newValue)
setInstantExecutionCount((c) => c + 1)
}
return (
<div>
<h1>TanStack Pacer createRateLimitedValue Example 3</h1>
<div style={{ display: 'grid', gap: '0.5rem', 'margin-bottom': '1rem' }}>
<label>
<input
type="radio"
name="windowType3"
value="fixed"
checked={windowType() === 'fixed'}
onChange={() => setWindowType('fixed')}
/>
Fixed Window
</label>
<label>
<input
type="radio"
name="windowType3"
value="sliding"
checked={windowType() === 'sliding'}
onChange={() => setWindowType('sliding')}
/>
Sliding Window
</label>
</div>
<div style={{ 'margin-bottom': '20px' }}>
<label>
Current Range:
<input
type="range"
min="0"
max="100"
value={currentValue()}
onInput={handleRangeChange}
style={{ width: '100%' }}
/>
<span>{currentValue()}</span>
</label>
</div>
<div style={{ 'margin-bottom': '20px' }}>
<label>
Rate Limited Range (Readonly):
<input
type="range"
min="0"
max="100"
value={limitedValue()}
readOnly
style={{ width: '100%' }}
/>
<span>{limitedValue()}</span>
</label>
</div>
<table>
<tbody>
<tr>
<td>Instant Executions:</td>
<td>{instantExecutionCount()}</td>
</tr>
<tr>
<td>Rate Limited Executions:</td>
<td>{rateLimiter.state().executionCount}</td>
</tr>
<tr>
<td>Rejected Executions:</td>
<td>{rateLimiter.state().rejectionCount}</td>
</tr>
<tr>
<td>% Reduction:</td>
<td>
{instantExecutionCount() === 0
? '0'
: Math.round(
((instantExecutionCount() -
rateLimiter.state().executionCount) /
instantExecutionCount()) *
100,
)}
%
</td>
</tr>
</tbody>
</table>
<div style={{ color: '#666', 'font-size': '0.9em' }}>
<p>Rate limited to 20 updates per 2 seconds</p>
</div>
<pre style={{ 'margin-top': '20px' }}>
{JSON.stringify(rateLimiter.state(), null, 2)}
</pre>
</div>
)
}
render(
() => (
<div>
<App1 />
<hr />
<App2 />
<hr />
<App3 />
</div>
),
document.getElementById('root')!,
)
import { createSignal } from 'solid-js'
import { render } from 'solid-js/web'
import { createRateLimitedValue } from '@tanstack/solid-pacer/rate-limiter'
function App1() {
const [windowType, setWindowType] = createSignal<'fixed' | 'sliding'>('fixed')
const [instantCount, setInstantCount] = createSignal(0)
// Using createRateLimitedValue with a rate limit of 5 executions per 5 seconds
const [limitedCount] = createRateLimitedValue(
instantCount,
{
limit: 5,
window: 5000,
windowType: windowType(),
},
(state) => ({
executionCount: state.executionCount,
rejectionCount: state.rejectionCount,
}),
)
function increment() {
setInstantCount((c) => c + 1)
}
return (
<div>
<h1>TanStack Pacer createRateLimitedValue Example 1</h1>
<div style={{ display: 'grid', gap: '0.5rem', 'margin-bottom': '1rem' }}>
<label>
<input
type="radio"
name="windowType"
value="fixed"
checked={windowType() === 'fixed'}
onChange={() => setWindowType('fixed')}
/>
Fixed Window
</label>
<label>
<input
type="radio"
name="windowType"
value="sliding"
checked={windowType() === 'sliding'}
onChange={() => setWindowType('sliding')}
/>
Sliding Window
</label>
</div>
<table>
<tbody>
<tr>
<td>Instant Count:</td>
<td>{instantCount()}</td>
</tr>
<tr>
<td>Rate Limited Count:</td>
<td>{limitedCount()}</td>
</tr>
</tbody>
</table>
<div>
<button onClick={increment}>Increment</button>
</div>
</div>
)
}
function App2() {
const [windowType, setWindowType] = createSignal<'fixed' | 'sliding'>('fixed')
const [instantSearch, setInstantSearch] = createSignal('')
// Using createRateLimitedValue with a rate limit of 5 executions per 5 seconds
const [limitedSearch] = createRateLimitedValue(
instantSearch,
{
limit: 5,
window: 5000,
windowType: windowType(),
},
(state) => ({
executionCount: state.executionCount,
rejectionCount: state.rejectionCount,
}),
)
function handleSearchChange(e: Event) {
setInstantSearch((e.target as HTMLInputElement).value)
}
return (
<div>
<h1>TanStack Pacer createRateLimitedValue Example 2</h1>
<div style={{ display: 'grid', gap: '0.5rem', 'margin-bottom': '1rem' }}>
<label>
<input
type="radio"
name="windowType2"
value="fixed"
checked={windowType() === 'fixed'}
onChange={() => setWindowType('fixed')}
/>
Fixed Window
</label>
<label>
<input
type="radio"
name="windowType2"
value="sliding"
checked={windowType() === 'sliding'}
onChange={() => setWindowType('sliding')}
/>
Sliding Window
</label>
</div>
<div>
<input
autofocus
type="search"
value={instantSearch()}
onInput={handleSearchChange}
placeholder="Type to search..."
style={{ width: '100%' }}
/>
</div>
<table>
<tbody>
<tr>
<td>Instant Search:</td>
<td>{instantSearch()}</td>
</tr>
<tr>
<td>Rate Limited Search:</td>
<td>{limitedSearch()}</td>
</tr>
</tbody>
</table>
</div>
)
}
function App3() {
const [windowType, setWindowType] = createSignal<'fixed' | 'sliding'>('fixed')
const [currentValue, setCurrentValue] = createSignal(50)
const [instantExecutionCount, setInstantExecutionCount] = createSignal(0)
// Using createRateLimitedValue with a rate limit of 5 executions per 5 seconds
const [limitedValue, rateLimiter] = createRateLimitedValue(
currentValue,
{
limit: 20,
window: 2000,
windowType: windowType(),
onReject: (rateLimiter) =>
console.log(
'Rejected by rate limiter',
rateLimiter.getMsUntilNextWindow(),
),
},
(state) => ({
executionCount: state.executionCount,
rejectionCount: state.rejectionCount,
}),
)
function handleRangeChange(e: Event) {
const target = e.target as HTMLInputElement
const newValue = parseInt(target.value, 10)
setCurrentValue(newValue)
setInstantExecutionCount((c) => c + 1)
}
return (
<div>
<h1>TanStack Pacer createRateLimitedValue Example 3</h1>
<div style={{ display: 'grid', gap: '0.5rem', 'margin-bottom': '1rem' }}>
<label>
<input
type="radio"
name="windowType3"
value="fixed"
checked={windowType() === 'fixed'}
onChange={() => setWindowType('fixed')}
/>
Fixed Window
</label>
<label>
<input
type="radio"
name="windowType3"
value="sliding"
checked={windowType() === 'sliding'}
onChange={() => setWindowType('sliding')}
/>
Sliding Window
</label>
</div>
<div style={{ 'margin-bottom': '20px' }}>
<label>
Current Range:
<input
type="range"
min="0"
max="100"
value={currentValue()}
onInput={handleRangeChange}
style={{ width: '100%' }}
/>
<span>{currentValue()}</span>
</label>
</div>
<div style={{ 'margin-bottom': '20px' }}>
<label>
Rate Limited Range (Readonly):
<input
type="range"
min="0"
max="100"
value={limitedValue()}
readOnly
style={{ width: '100%' }}
/>
<span>{limitedValue()}</span>
</label>
</div>
<table>
<tbody>
<tr>
<td>Instant Executions:</td>
<td>{instantExecutionCount()}</td>
</tr>
<tr>
<td>Rate Limited Executions:</td>
<td>{rateLimiter.state().executionCount}</td>
</tr>
<tr>
<td>Rejected Executions:</td>
<td>{rateLimiter.state().rejectionCount}</td>
</tr>
<tr>
<td>% Reduction:</td>
<td>
{instantExecutionCount() === 0
? '0'
: Math.round(
((instantExecutionCount() -
rateLimiter.state().executionCount) /
instantExecutionCount()) *
100,
)}
%
</td>
</tr>
</tbody>
</table>
<div style={{ color: '#666', 'font-size': '0.9em' }}>
<p>Rate limited to 20 updates per 2 seconds</p>
</div>
<pre style={{ 'margin-top': '20px' }}>
{JSON.stringify(rateLimiter.state(), null, 2)}
</pre>
</div>
)
}
render(
() => (
<div>
<App1 />
<hr />
<App2 />
<hr />
<App3 />
</div>
),
document.getElementById('root')!,
)
