ng2-cache-service

Client side caching service for Angular2

Installation

To install this library, run:

``bash
$ npm install ng2-cache-service --save
`

Usage:

`typescript

import { Component } from '@angular/core';
import { CacheService } from 'ng2-cache-service';

declare var BUILD_VERSION: string;

@Component({
selector: 'some-selector',
template: '

Template

',
providers: [ CacheService ]
})
export class ExampleComponent {

constructor(private _cacheService: CacheService) {}

public func() {

//set global prefix as build version
this._cacheService.setGlobalPrefix(BUILD_VERSION);

//put some data to cache "forever"
//returns true is data was cached successfully, otherwise - false
let result: boolean = this._cacheService.set('key', ['some data']);

//put some data to cache for 5 minutes (maxAge - in seconds)
this._cacheService.set('key', ['some data'], {maxAge: 5 * 60});

//put some data to cache for 1 hour (expires - timestamp with milliseconds)
this._cacheService.set('key', {'some': 'data'}, {expires: Date.now() + 1000 60 60});

//put some data to cache with tag "tag"
this._cacheService.set('key', 'some data', {tag: 'tag'});

//get some data by key, null - if there is no data or data has expired
let data: any|null = this._cacheService.get('key');

//check if data exists in cache
let exists: boolean = this._cacheService.exists('key');

//remove all data from cache with tag "tag"
this._cacheService.removeTag('tag');

//remove all from cache
this._cacheService.removeAll();

//get all data related to tag "tag" :
// {'key' => 'key data', ...}
this._cacheService.getTagData('tag');

}
}

`

By default service store data in session storage, you could select local storage

To change storage to local storage:

`typescript

import { NgModule } from 'angular2/core';
import { LocalStorageServiceModule } from 'ng2-cache-service';

@NgModule({
imports: [
LocalStorageServiceModule
]
})

``

License

ISC © Evgeny Popodyanets

Originally forked from © Romanov Evgeny