import { createSignal } from 'solid-js'
import { render } from 'solid-js/web'
import { createRateLimitedSignal } from '@tanstack/solid-pacer/rate-limiter'
function App1() {
const [instantCount, setInstantCount] = createSignal(0)
// Using createRateLimiter with a rate limit of 5 executions per 5 seconds
const [limitedCount, setLimitedCount, rateLimiter] = createRateLimitedSignal(
instantCount(),
{
limit: 5,
window: 5000,
},
)
function increment() {
// this pattern helps avoid common bugs with stale closures and state
setInstantCount((c) => {
const newInstantCount = c + 1 // common new value for both
setLimitedCount(() => newInstantCount) // rate-limited state update
return newInstantCount // instant state update
})
}
return (
<div>
<h1>TanStack Pacer createRateLimitedState Example 1</h1>
<table>
<tbody>
<tr>
<td>Execution Count:</td>
<td>{rateLimiter.executionCount()}</td>
</tr>
<tr>
<td>Rejection Count:</td>
<td>{rateLimiter.rejectionCount()}</td>
</tr>
<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>
<button onClick={() => alert(rateLimiter.remainingInWindow())}>
Remaining in Window
</button>
<button onClick={() => alert(rateLimiter.reset())}>Reset</button>
</div>
</div>
)
}
function App2() {
const [instantSearch, setInstantSearch] = createSignal('')
// Using createRateLimiter with a rate limit of 5 executions per 5 seconds
const [limitedSearch, setLimitedSearch, rateLimiter] =
createRateLimitedSignal(instantSearch(), {
limit: 5,
window: 5000,
})
function handleSearchChange(e: Event) {
const target = e.target as HTMLInputElement
const newValue = target.value
setInstantSearch(() => newValue)
setLimitedSearch(() => newValue)
}
return (
<div>
<h1>TanStack Pacer createRateLimitedState 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>{rateLimiter.executionCount()}</td>
</tr>
<tr>
<td>Rejection Count:</td>
<td>{rateLimiter.rejectionCount()}</td>
</tr>
<tr>
<td>Instant Search:</td>
<td>{instantSearch()}</td>
</tr>
<tr>
<td>Rate Limited Search:</td>
<td>{limitedSearch()}</td>
</tr>
</tbody>
</table>
<div>
<button onClick={() => alert(rateLimiter.remainingInWindow())}>
Remaining in Window
</button>
<button onClick={() => alert(rateLimiter.reset())}>Reset</button>
</div>
</div>
)
}
render(
() => (
<div>
<App1 />
<hr />
<App2 />
</div>
),
document.getElementById('root')!,
)
import { createSignal } from 'solid-js'
import { render } from 'solid-js/web'
import { createRateLimitedSignal } from '@tanstack/solid-pacer/rate-limiter'
function App1() {
const [instantCount, setInstantCount] = createSignal(0)
// Using createRateLimiter with a rate limit of 5 executions per 5 seconds
const [limitedCount, setLimitedCount, rateLimiter] = createRateLimitedSignal(
instantCount(),
{
limit: 5,
window: 5000,
},
)
function increment() {
// this pattern helps avoid common bugs with stale closures and state
setInstantCount((c) => {
const newInstantCount = c + 1 // common new value for both
setLimitedCount(() => newInstantCount) // rate-limited state update
return newInstantCount // instant state update
})
}
return (
<div>
<h1>TanStack Pacer createRateLimitedState Example 1</h1>
<table>
<tbody>
<tr>
<td>Execution Count:</td>
<td>{rateLimiter.executionCount()}</td>
</tr>
<tr>
<td>Rejection Count:</td>
<td>{rateLimiter.rejectionCount()}</td>
</tr>
<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>
<button onClick={() => alert(rateLimiter.remainingInWindow())}>
Remaining in Window
</button>
<button onClick={() => alert(rateLimiter.reset())}>Reset</button>
</div>
</div>
)
}
function App2() {
const [instantSearch, setInstantSearch] = createSignal('')
// Using createRateLimiter with a rate limit of 5 executions per 5 seconds
const [limitedSearch, setLimitedSearch, rateLimiter] =
createRateLimitedSignal(instantSearch(), {
limit: 5,
window: 5000,
})
function handleSearchChange(e: Event) {
const target = e.target as HTMLInputElement
const newValue = target.value
setInstantSearch(() => newValue)
setLimitedSearch(() => newValue)
}
return (
<div>
<h1>TanStack Pacer createRateLimitedState 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>{rateLimiter.executionCount()}</td>
</tr>
<tr>
<td>Rejection Count:</td>
<td>{rateLimiter.rejectionCount()}</td>
</tr>
<tr>
<td>Instant Search:</td>
<td>{instantSearch()}</td>
</tr>
<tr>
<td>Rate Limited Search:</td>
<td>{limitedSearch()}</td>
</tr>
</tbody>
</table>
<div>
<button onClick={() => alert(rateLimiter.remainingInWindow())}>
Remaining in Window
</button>
<button onClick={() => alert(rateLimiter.reset())}>Reset</button>
</div>
</div>
)
}
render(
() => (
<div>
<App1 />
<hr />
<App2 />
</div>
),
document.getElementById('root')!,
)
Your weekly dose of JavaScript news. Delivered every Monday to over 100,000 devs, for free.