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localstorage-idb-keyval
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Readme
This is Jake Archibald's implementation slightly altered to adhere to the localStorage API. This way it can easily be used with projects like redux-persist.
This is a super-simple-small promise-based keyval store implemented with IndexedDB, largely based on async-storage by Mozilla.
localForage offers similar functionality, but supports older browsers with broken/absent IDB implementations. Because of that, it's 7.4k, whereas localstorage-idb-keyval is ~550 bytes. Also, it's tree-shaking friendly, so you'll probably end up using fewer than 450 bytes. Pick whichever works best for you!
This is only a keyval store. If you need to do more complex things like iteration & indexing, check out IDB on NPM (a little heavier at 1.7k). The first example in its README is how to recreate this library.
import { setItem } from 'localstorage-idb-keyval';
setItem('hello', 'world');
setItem('foo', 'bar');
Since this is IDB-backed, you can store anything structured-clonable (numbers, arrays, objects, dates, blobs etc).
All methods return promises:
import { setItem } from 'localstorage-idb-keyval';
setItem('hello', 'world')
.then(() => console.log('It worked!'))
.catch(err => console.log('It failed!', err));
import { getItem } from 'localstorage-idb-keyval';
// logs: "world"
getItem('hello').then(val => console.log(val));
If there is no 'hello' key, then val
will be undefined
.
import { keys } from 'localstorage-idb-keyval';
// logs: ["hello", "foo"]
keys().then(keys => console.log(keys));
import { removeItem } from 'localstorage-idb-keyval';
removeItem('hello');
import { clear } from 'localstorage-idb-keyval';
clear();
By default, the methods above use an IndexedDB database named keyval-store
and an object store named keyval
. You can create your own store, and pass it as an additional parameter to any of the above methods:
import { Store, setItem } from 'localstorage-idb-keyval';
const customStore = new Store('custom-db-name', 'custom-store-name');
setItem('foo', 'bar', customStore);
That's it!
npm install localstorage-idb-keyval
Now you can require/import localstorage-idb-keyval
:
import { getItem, setItem } from 'localstorage-idb-keyval';
<script>
dist/localstorage-idb-keyval.mjs
is a valid JS module.dist/localstorage-idb-keyval-iife.js
can be used in browsers that don't support modules. idbKeyval
is created as a global.FAQs
A super-simple-small keyval store built on top of IndexedDB with localStorage API
The npm package localstorage-idb-keyval receives a total of 126 weekly downloads. As such, localstorage-idb-keyval popularity was classified as not popular.
We found that localstorage-idb-keyval demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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