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browser-in-mem-storage

v1.0.1

Published

Browser in-memory storage

Downloads

5

Readme

Browser In-Mem Storage

CircleCI JavaScript Style Guide NPM Total Download

Simple in-memory storage for storing sensitive informations like a token.

View Sample


Installation

npm install browser-in-mem-storage

Usage

import BrowserInMemStorage from 'browser-in-mem-storage';

/**
 * Initialize storage
 *
 * Should be invoked once at the root level of your app
 */
BrowserInMemStorage.initializeStorage();

// Accesses the in-mem storage object
console.log(BrowserInMemStorage.inMemStorage) // {}
import { clear, getItem, setItem, removeItem, logout } from 'browser-in-mem-storage';

/**
 * Set an item to storage
 * Takes a two arguments (key and value)
 */
setItem('name', 'Obiora C.N');
setItem('occupations', ['Frontend Engineer', 'Backend Engineer']);
console.log(BrowserInMemStorage.inMemStorage)
// { name: "Obiora C.N", occupations: ['Frontend Engineer', 'Backend Engineer'] }

/**
 * Get an item from storage
 * Takes an argument (key)
 */
const occupations = getItem('occupations');
console.log(occupations)
// ['Frontend Engineer', 'Backend Engineer']

/**
 * Removes an item from storage
 * Takes an argument (key)
 */
removeItem('occupations');
console.log(BrowserInMemStorage.inMemStorage)
// { name: "Obiora C.N" }

/**
 * Clears all items from storage
 * Usually invoked when you want to initiate a logout procedure
 * Takes no argument
 */
clear();
console.log(BrowserInMemStorage.inMemStorage) // {}

/**
 * Initiates the logout procedure
 * Incase you don't want to clear storage during a logout
 * You can remove the items you dont need then invoke the logout function
 * The callback will be called when the logout method is invoked
 * Takes a callback as an argument
 */
const handleLogoutProcedure = () => {
  // remove auth token and reload app
  removeItem('token');
};

logout(handleLogoutProcedure);

The in-mem storage functions can be accessed on the BrowserInMemStorage class

Example:

BrowserInMemStorage.setItem('name', 'Obiora C.N');
BrowserInMemStorage.getItem('name');
BrowserInMemStorage.removeItem('name');
BrowserInMemStorage.clear();
BrowserInMemStorage.logout(() => {
  // remove auth token and reload app
});