What is @aws-amplify/cache?
@aws-amplify/cache is a part of the AWS Amplify library that provides a simple caching mechanism for storing and retrieving data in a web application. It is designed to work seamlessly with other AWS Amplify services and can be used to cache data locally to improve performance and reduce the number of network requests.
What are @aws-amplify/cache's main functionalities?
Setting a Cache Item
This feature allows you to set a cache item with a specified key and value. The optional `expires` parameter sets the expiration time in seconds.
const { Cache } = require('@aws-amplify/cache');
Cache.setItem('key', 'value', { expires: 3600 });
Getting a Cache Item
This feature allows you to retrieve a cached item using its key. If the item exists and has not expired, it will be returned.
const { Cache } = require('@aws-amplify/cache');
const value = Cache.getItem('key');
console.log(value);
Removing a Cache Item
This feature allows you to remove a cached item using its key. This is useful for clearing specific items from the cache.
const { Cache } = require('@aws-amplify/cache');
Cache.removeItem('key');
Clearing the Cache
This feature allows you to clear all items from the cache. This is useful for resetting the cache state.
const { Cache } = require('@aws-amplify/cache');
Cache.clear();
Other packages similar to @aws-amplify/cache
localforage
localforage is a JavaScript library that improves the offline experience of your web app by using asynchronous storage (IndexedDB or WebSQL) with a simple, localStorage-like API. It provides similar caching functionalities but is more focused on offline storage and supports a wider range of storage backends.
idb-keyval
idb-keyval is a small library that provides a simple key-value store backed by IndexedDB. It offers similar caching capabilities but is more lightweight and focused solely on IndexedDB as the storage backend.
store2
store2 is a versatile library for all types of storage (localStorage, sessionStorage, etc.) with a straightforward API. It provides similar caching functionalities and supports multiple storage backends, making it a more flexible option.