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Cross-platform support for easy disk caching in React Native
source link: https://reactnativeexample.com/cross-platform-support-for-easy-disk-caching-in-react-native/
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Caching
Cross-platform support for easy disk caching in React Native
Jul 30, 2021
1 min read
React Native Disk Cache
Cache an object to disk, and refresh the value after a certain amount of time.
Under the hood, the data is stored as simple serialized JSON.stringify() output, at a file located at {DocumentDirectoryPath}/__caches__/{store}/{timestamp}.
Example
import { fromDiskCache } from 'rn-disk-cache'
/**
* Will be loaded live and written to disk, or read from disk cache if there is
* a non-stale cache on-disk already.
*/
const value = await fromDiskCache(
/** Name of this store. */
'myLargeList',
/** How to get the updated value when stale. */
async () => {
const update = await getValueOverNetworkOrOtherAsyncProcess();
return update;
},
/** Cache duration. **/
60,
);
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