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Persistent Browser (Client) Storage

• 👷 100% Tests coverage;
• 📦 No external dependencies;
• 💪 Bulletproof persistent Client storage;
• ㊗️ With Unicode support for values and keys;
• 👨‍💻 With String, Array, Object, and Boolean support as values;
• ♿ Works with disabled localStorage and cookies;
• ☄️ Meteor.js-specific docs
• 📦 Available via NPM and Atmosphere.

Install:

npm install --save ClientStorage

Require:

const ClientStorage = require('ClientStorage').ClientStorage;
const clientStorage = new ClientStorage();

ES6 Import:

import { ClientStorage } from 'ClientStorage';
const clientStorage = new ClientStorage();

Usage:

• clientStorage.get('key') - Read a record. If the key doesn't exist a undefined value will be returned;
  • key - {String} - Record's key;
• clientStorage.set('key', value[, ttl]) - Create/overwrite a value in storage;
  • key - {String} - Record's key;
  • value - {String|[mix]|Boolean|Object} - Record's value (content);
  • ttl - {Number} — [Optional] Record's TTL in seconds;
• clientStorage.remove('key') - Remove a record;
  • key - {String} - Record's key;
• clientStorage.has('key') - Check whether a record exists, returns a boolean value;
  • key - {String} - Record's key;
• clientStorage.keys() - Returns an array of all storage keys;
• clientStorage.empty() - Empty storage (remove all key/value pairs). Use with caution! (May remove cookies which weren't set by you).

Storage-specific usage:

By default ClientStorage package handle selecting storage driver in the next order (descending priority):

1. localStorage
2. cookies
3. js (JS Object driven storage)

To alter priority pass "preferred driver" to new ClientStorage(driverName) constructor.

Use cookies only:

Pass cookies as an argument to new instance of ClientStorage:

const { clientStorage } = require('ClientStorage');
const cookiesStorage = new ClientStorage('cookies');
cookiesStorage.has('locale'); // false
cookiesStorage.set('locale', 'en_US'); // true

Use localStorage only:

Pass localStorage as an argument to new instance of ClientStorage:

const { clientStorage } = require('ClientStorage');
const locStorage = new ClientStorage('localStorage');
locStorage.has('locale'); // false
locStorage.set('locale', 'en_US'); // true

Use js only:

Pass js (in-memory js object) as an argument to new instance of ClientStorage:

const { clientStorage } = require('ClientStorage');
const jsStorage = new ClientStorage('js');
jsStorage.has('locale'); // false
jsStorage.set('locale', 'en_US'); // true

Note: All instances are sharing same cookie and localStorage records!

Examples:

const clientStorage = new (require('ClientStorage').ClientStorage);

clientStorage.set('locale', 'en'); // true
clientStorage.set('country', 'usa'); // true
clientStorage.set('gender', 'male'); // true

clientStorage.get('gender'); // male

clientStorage.has('locale'); // true
clientStorage.has('city'); // false

clientStorage.keys(); // ['locale', 'country', 'gender']

clientStorage.remove('locale'); // true
clientStorage.get('locale'); // undefined

clientStorage.keys(); // ['country', 'gender']

clientStorage.empty(); // true
clientStorage.keys(); // []

clientStorage.empty(); // false

Running Tests

Tests are written using Tiny, follow testing instruction in meteor docs

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