export default class Storage { constructor(art) { this.art = art; this.name = 'artplayer_settings'; this.init(); } init() { const { option } = this.art; const volume = this.get('volume'); if (volume) { option.volume = volume; } } get(key) { const storage = JSON.parse(window.localStorage.getItem(this.name)) || {}; return key ? storage[key] : {}; } set(key, value) { const storage = Object.assign({}, this.get(), { [key]: value, }); window.localStorage.setItem(this.name, JSON.stringify(storage)); } del(key) { const storage = this.get(); delete storage[key]; window.localStorage.setItem(this.name, JSON.stringify(storage)); } clean() { window.localStorage.removeItem(this.name); } }