import { Injectable } from '@angular/core'; export const KEY_RANGE = 'range'; export const KEY_STAY_SIGNED_IN = 'staySignedIn'; export const KEY_TOKEN = 'auth-token'; @Injectable({ providedIn: 'root' }) export class SettingsStorageService { public getSetting(aKey: string): string { return window.localStorage.getItem(aKey); } public setSetting(aKey: string, aValue: string) { window.localStorage.setItem(aKey, aValue); } public removeSetting(aKey: string) { return window.localStorage.removeItem(aKey); } }