// localStorage for objects, arrays or any data type
var obj = {
firstName: "Bob",
lastName: "Jeff",
age: 13
}
localStorage.setItem("itemname", JSON.stringify(obj)); // Save the obj as string
var item = JSON.parse(localStorage.getItem("itemname"));
// ^^ Parse string then set `item` as the obj function saveList() {
localStorage.storedList = document.getElementById("list").innerHTML;
}
//This is a saved listlocalStorage.setItem('Items' , 'Bread');
let Bread = localStorage.getItem('Items');const { NodeDiskStorage } = require('node-disk-storage')
const nds = new NodeDiskStorage()
/**
* @description set data
*/
;(async () => {
await nds.set('user', [
{
id: 1,
name: 'Leanne Graham',
username: 'Bret',
email: 'Sincere@april.biz',
address: {
street: 'Kulas Light',
suite: 'Apt. 556',
city: 'Gwenborough',
zipcode: '92998-3874',
geo: {
lat: '-37.3159',
lng: '81.1496'
}
},
phone: '1-770-736-8031 x56442',
website: 'hildegard.org',
company: {
name: 'Romaguera-Crona',
catchPhrase: 'Multi-layered client-server neural-net',
bs: 'harness real-time e-markets'
}
},
{
id: 2,
name: 'Ervin Howell',
username: 'Antonette',
email: 'Shanna@melissa.tv',
address: {
street: 'Victor Plains',
suite: 'Suite 879',
city: 'Wisokyburgh',
zipcode: '90566-7771',
geo: {
lat: '-43.9509',
lng: '-34.4618'
}
},
phone: '010-692-6593 x09125',
website: 'anastasia.net',
company: {
name: 'Deckow-Crist',
catchPhrase: 'Proactive didactic contingency',
bs: 'synergize scalable supply-chains'
}
},
{
id: 3,
name: 'Clementine Bauch',
username: 'Samantha',
email: 'Nathan@yesenia.net',
address: {
street: 'Douglas Extension',
suite: 'Suite 847',
city: 'McKenziehaven',
zipcode: '59590-4157',
geo: {
lat: '-68.6102',
lng: '-47.0653'
}
},
phone: '1-463-123-4447',
website: 'ramiro.info',
company: {
name: 'Romaguera-Jacobson',
catchPhrase: 'Face to face bifurcated interface',
bs: 'e-enable strategic applications'
}
},
{
id: 4,
name: 'Patricia Lebsack',
username: 'Karianne',
email: 'Julianne.OConner@kory.org',
address: {
street: 'Hoeger Mall',
suite: 'Apt. 692',
city: 'South Elvis',
zipcode: '53919-4257',
geo: {
lat: '29.4572',
lng: '-164.2990'
}
},
phone: '493-170-9623 x156',
website: 'kale.biz',
company: {
name: 'Robel-Corkery',
catchPhrase: 'Multi-tiered zero tolerance productivity',
bs: 'transition cutting-edge web services'
}
},
{
id: 5,
name: 'Chelsey Dietrich',
username: 'Kamren',
email: 'Lucio_Hettinger@annie.ca',
address: {
street: 'Skiles Walks',
suite: 'Suite 351',
city: 'Roscoeview',
zipcode: '33263',
geo: {
lat: '-31.8129',
lng: '62.5342'
}
},
phone: '(254)954-1289',
website: 'demarco.info',
company: {
name: 'Keebler LLC',
catchPhrase: 'User-centric fault-tolerant solution',
bs: 'revolutionize end-to-end systems'
}
}
])
await nds.set('name', 'john doe')
await nds.set('days', ['senin', 'selasa', 'rabu', 'kamis'])
})()
/**
* @description get data
*/
;(async () => {
const getUser = await nds.get('user')
console.log(getUser)
const getName = await nds.get('name')
console.log(getName)
const getDays = await nds.get('days')
console.log(getDays)
console.log((await nds.keys()).length)
console.log(await nds.clear())
})() import { Injectable, OnDestroy } from '@angular/core';
import { Subject } from 'rxjs/Subject';
import { share } from 'rxjs/operators';
@Injectable()
export class StorageService implements OnDestroy {
private onSubject = new Subject<{ key: string, value: any }>();
public changes = this.onSubject.asObservable().pipe(share());
constructor() {
this.start();
}
ngOnDestroy() {
this.stop();
}
public getStorage() {
let s = [];
for (let i = 0; i < localStorage.length; i++) {
s.push({
key: localStorage.key(i),
value: JSON.parse(localStorage.getItem(localStorage.key(i)))
});
}
return s;
}
public store(key: string, data: any): void {
localStorage.setItem(key, JSON.stringify(data));
this.onSubject.next({ key: key, value: data})
}
public clear(key) {
localStorage.removeItem(key);
this.onSubject.next({ key: key, value: null });
}
private start(): void {
window.addEventListener("storage", this.storageEventListener.bind(this));
}
private storageEventListener(event: StorageEvent) {
if (event.storageArea == localStorage) {
let v;
try { v = JSON.parse(event.newValue); }
catch (e) { v = event.newValue; }
this.onSubject.next({ key: event.key, value: v });
}
}
private stop(): void {
window.removeEventListener("storage", this.storageEventListener.bind(this));
this.onSubject.complete();
}
}
localStorage.removeItem('myCat');