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reactive-localstorage

v1.0.1

Published

A reactive localStorage with no dependency

Downloads

3,365

Readme

reactive-localstorage

A reactive localStorage with no dependency

Install

yarn add reactive-localstorage
npm i -S reactive-localstorage

Features

  • inject window.localStorage / window.sessionStorage
  • Emit changes from same window
  • Emit external changes

Usage

Changes from reactive-localstorage or other pages will be emitted as events

import localStorage, { localStorage } from 'reactive-localstorage';

localStorage.on('change', (key, value) => {
  console.log(`key ${key} changed to ${value}`);
});

localStorage.setItem('foo', 'bar');

// print key foo changed to bar

It also works with window.localStorage

window.localStorage.setItem('foo', 'alice');

// print key foo changed to alice

You can also trigger changes manually, especially when you have other sources that manage localStorage.

localStorage.feed('foo', 'bob');

// print key foo changed to bob

SessionStorage is also supported

import { sessionStorage } from 'reactive-localstorage';

sessionStorage.on('change', (key, value) => {
  console.log(`key ${key} changed to ${value}`);
});

sessionStorage.setItem('foo', 'bar');

// print key foo changed to bar

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