Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'swr' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
async function handleSubmit(event) {
event.preventDefault()
// mutate current data to optimistically update the UI
// the fetch below could fail, in that case the UI will
// be in an incorrect state
mutate('/api/data', [...data, text], false)
// send text to the API
await fetch('/api/data', {
method: 'POST',
body: JSON.stringify({ text })
})
// to revalidate the data and ensure is not incorrect
// we trigger a revalidation of the data
trigger('/api/data')
setText('')
}
async function handleSubmit(event) {
event.preventDefault()
// mutate current data to optimistically update the UI
// the fetch below could fail, in that case the UI will
// be in an incorrect state
mutate('/api/data', [...data, text], false)
// send text to the API
await fetch('/api/data', {
method: 'POST',
body: JSON.stringify({ text })
})
// to revalidate the data and ensure is not incorrect
// we trigger a revalidation of the data
trigger('/api/data')
setText('')
}
export default () => {
const {
pages,
isLoadingMore,
isReachingEnd,
loadMore
} = useSWRPages(
// page key
'demo-page',
// page component
({ offset, withSWR }) => {
const { data: projects } = withSWR(
// use the wrapper to wrap the *pagination API SWR*
useSWR('/api/projects?offset=' + (offset || 0), fetch)
)
// you can still use other SWRs outside
if (!projects) {
return <p>loading</p>
}
return projects.map(project =>
function useProjects() {
return useSWR('/api/data', fetch)
}
export const withData = (key, getData) => Component => props => {
const { data: result, error } = useSWR(key, getData, {
onError: captureException,
});
if (!!error) {
return <div style="{{">Error: {error.message}</div>;
}
const loading = !result;
if (loading) {
return ;
}
return (
const Page = ({ ip, initialData }: Props) => {
const { data, error } = useSWR(ip, getServer, {
initialData,
});
return (
<>
<section>
<a>Back</a>
{error ? : }
</section>
);
};
export default () => {
const { data } = useSWR('/api/data', fetch)
return <div style="{{">
<h1>Trending Projects</h1>
<div>
{
data ? data.map(project =>
<p><a>{project}</a></p>
) : 'loading...'
}
</div>
</div>
}
const DailyReportHeader: React.SFC = props => {
const { api } = React.useContext(Context);
const { _, intl } = api;
const { data: list } = useSWR('zaobao.list', async () => {
const { data } = await api.callRemote({
type: 'org.umi.dashboard.zaobao.list',
});
return data;
});
return (
Array.isArray(list) && (
<select>
{(list || []).map(item => (
{moment(item.createdAt).format('YYYY-MM-DD')}
))}
</select>
)
export default function (props) {
const { data, revalidate } = useSWR('/api/login', fetch);
if (!data) return <h1>loading...</h1>;
if (data.loggedIn) {
return (
<div>
<h1>Welcome, { data.name }</h1>
<img height="{80}" width="{80}" src="{data.avatar}">
<button> {
logout();
revalidate();
}}>Logout</button>
{ props.children }
</div>
);
} else {
return (
<div></div>
export default () => {
const { data } = useSWR('/api/data', fetch)
return (
<div style="{{">
<h1>Trending Projects</h1>
<div>
{data
? data.map(project => (
<p>
<a>{project}</a>
</p>
))
: 'loading...'}
</div>
</div>