mirror of https://github.com/Squidex/squidex.git
Sebastian Stehle
8 years ago
12 changed files with 38 additions and 302 deletions
@ -1,64 +0,0 @@ |
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/* |
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* Squidex Headless CMS |
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* |
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* @license |
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* Copyright (c) Sebastian Stehle. All rights reserved |
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*/ |
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import { LocalCacheService, LocalCacheServiceFactory } from './../'; |
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describe('LocalCache', () => { |
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it('should instantiate from factory', () => { |
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const localCacheService = LocalCacheServiceFactory(); |
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expect(localCacheService).toBeDefined(); |
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}); |
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it('should instantiate', () => { |
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const localCacheService = new LocalCacheService(); |
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expect(localCacheService).toBeDefined(); |
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}); |
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it('should get and store item in cache', () => { |
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const localCacheService = new LocalCacheService(); |
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const value = {}; |
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localCacheService.set('key', value); |
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expect(localCacheService.get('key')).toBe(value); |
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}); |
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it('should not retrieve item if cleared', () => { |
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const localCacheService = new LocalCacheService(); |
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const value = {}; |
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localCacheService.set('key', value); |
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localCacheService.clear(true); |
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expect(localCacheService.get('key')).toBeUndefined(); |
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}); |
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it('should not retrieve item if removed', () => { |
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const localCacheService = new LocalCacheService(); |
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const value = {}; |
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localCacheService.set('key', value); |
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localCacheService.remove('key'); |
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expect(localCacheService.get('key')).toBeUndefined(); |
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}); |
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it('should not retrieve item if expired', () => { |
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const localCacheService = new LocalCacheService(); |
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const value = {}; |
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localCacheService.set('key', value); |
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expect(localCacheService.get('key', new Date().getTime() + 400)).toBeUndefined(); |
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}); |
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}); |
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@ -1,61 +0,0 @@ |
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/* |
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* Squidex Headless CMS |
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* |
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* @license |
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* Copyright (c) Sebastian Stehle. All rights reserved |
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*/ |
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import { Injectable } from '@angular/core'; |
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interface Entry { value: any; expires: number; } |
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export const LocalCacheServiceFactory = () => { |
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return new LocalCacheService(); |
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}; |
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@Injectable() |
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export class LocalCacheService { |
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private readonly entries: { [key: string]: Entry } = {}; |
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public clear(force: boolean) { |
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const now = new Date().getTime(); |
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for (let key in this.entries) { |
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if (this.entries.hasOwnProperty(key)) { |
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const entry = this.entries[key]; |
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if (force || LocalCacheService.isExpired(now, entry)) { |
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delete this.entries[key]; |
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} |
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} |
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} |
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} |
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public get<T>(key: string, now?: number): T | undefined { |
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const entry = this.entries[key]; |
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if (entry) { |
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now = now || new Date().getTime(); |
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if (!LocalCacheService.isExpired(now, entry)) { |
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delete this.entries[key]; |
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return <T> entry.value; |
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} |
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} |
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return undefined; |
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} |
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public set<T>(key: string, value: T, expiresIn = 100) { |
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this.entries[key] = { value, expires: new Date().getTime() + expiresIn }; |
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} |
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public remove(key: string) { |
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delete this.entries[key]; |
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} |
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private static isExpired(now: number, entry: Entry): boolean { |
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return entry.expires < now; |
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} |
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} |
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