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localstorageex

v1.3.5

Published

it use for extending the function ability of localStorage it can store json,array,number,boolean,string excepte function and convert them automatically

Downloads

14

Readme

localstorageex

A simple, fast and small lib that extend the ability of localStorage for browser. we can save or get obj directly without JSON.stringify or JSON.parse.

Install

via npm

$ npm install localstorageex --save

via yarn

$ yarn add localstorageex

Use

const localStorageEx = require("localstorageex");

// or

import localStorageEx from "localstorageex";

// Note. undefined or null values can't be saved.
// eg:
localStorageEx.set("foo", null); // will throw an error.

let a = {
  a: 1,
  b: "",
  c: [1, 2],
  d: {
    e: {
      m: [{ k: 2, d: null }],
    },
    f: null,
  },
};

localStorageEx.set("some_obj_key", a);
console.log(localStorageEx.get("some_obj_key"));
/*
print  {
	a:1,
	b:'',
	c:[1,2],
	d:{
		e:{
			m:[{k:2,d: null}]
		},
		f:null
	}
}
*/

localStorageEx.set("key0", 1);
console.log(localStorageEx.get("key0")); // print 1

localStorageEx.set("key1", 2.2);
console.log(localStorageEx.get("key1")); // print 2.2

localStorageEx.set("key2", "some value");
console.log(localStorageEx.get("key2")); // print 'some value'

localStorageEx.set("key3", false);
console.log(localStorageEx.get("key3")); // print false

localStorageEx.set("key4", true);
console.log(localStorageEx.get("key4")); // print true

localStorageEx.set("key5", []);
console.log(localStorageEx.get("key5")); // print []

localStorageEx.set("key5_1", "[]");
console.log(localStorageEx.get("key5_1")); // print []

localStorageEx.set("key6", [1, 2]);
console.log(localStorageEx.get("key6")); // print [1,2]

localStorageEx.set("key6_1", "[1,2]");
console.log(localStorageEx.get("key6_1")); // print [1,2]

localStorageEx.set("key7", {});
console.log(localStorageEx.get("key7")); // print {}

localStorageEx.set("key8", "");
console.log(localStorageEx.get("key8")); // print ''

Remove Key

// remove key.

localStorageEx.remove("some_key"); // the value for the key will be removed.
console.log(localStorageEx.get("some_key")); // print null

Use Prefix

    // by default there is no prefix for key. but you can customize it by yourself.
    // each key store in different prefix won't impact each other. we can take it as namespace.

    // eg:

    // use the default prefix. default prefix is a empty string.
    localStorageEx.set('key0, 'this is first value')


    localStorageEx.setPrefix('_my_prefix_')
    console.log(localStorageEx.get('key0')) // print null

    localStorageEx.set('key0, 1)
    localStorageEx.set('my_key0', [1,2,{c:false}])

    console.log(localStorageEx.get('key0')) // print 1
    console.log(localStorageEx.get('my_key0')) // print [1,2,{c:false}]


    localStorageEx.setPrefix('_next_prefix_')
    console.log(localStorageEx.get('key0')) // print null
    console.log(localStorageEx.get('my_key0')) // print null

    localStorageEx.set('key0', false)
    console.log(localStorageEx.get('key0')) // print false


    localStorageEx.setPrefix('_my_prefix_')
    console.log(localStorageEx.get('key0')) // print 1
    console.log(localStorageEx.get('my_key0')) // print [1,2,{c:false}]


    localStorageEx.setPrefix('')
    console.log(localStorageEx.get('key0')) // print 'this is first value'

Support

If you have any problem to use it or suggestion. please send a email to [email protected]