SWR is a React Hooks library for remote data fetching.
Features:
- Transport and protocol agnostic data fetching
- Fast page navigation
- Revalidation on focus
- Interval polling
- Request deduplication
- Local mutation
- Pagination
- TypeScript ready
- SSR support
- Suspense mode
- React Native support
- Minimal API
- And more
Installation:
# Yarn $ yarn add swr # NPM $ npm install swr --save
Basic Usage:
Import modules.
import useSWR from 'swr';
Fetch data remotely. Possible parameters:
- key: a function, string, array for the request
- fetcher: a Promise returning function to fetch your data
- options: optional settings
const { data, error, isValidating, mutate } = useSWR(key, fetcher, options)
Possible options and event handlers:
ConfigInterface = {
// events
onLoadingSlow: () => {},
onSuccess: () => {},
onError: () => {},
onErrorRetry,
errorRetryInterval: (slowConnection ? 10 : 5) * 1000,
focusThrottleInterval: 5 * 1000,
dedupingInterval: 2 * 1000,
loadingTimeout: (slowConnection ? 5 : 3) * 1000,
refreshInterval: 0,
revalidateOnFocus: true,
revalidateOnReconnect: true,
refreshWhenHidden: false,
refreshWhenOffline: false,
shouldRetryOnError: true,
suspense: false,
compare: deepEqual
}
Preview:
Download Details:
Author: zeit
Live Demo: View The Demo
Download Link: Download The Source Code
Official Website: https://github.com/zeit/swr
License: MIT
