//export class Node {
//    id: ''
//    name: ''
//    assets: new Map()
//    get(name) {}
//    set(name) {}
//    del(name) {}
//}
//
//export const nodes = new Map()  // 在线的节点
//export const assets = new Map() // 在线的资源
//
//// 示例: 查询持有某个资源的节点列表
//const list = query('xxx.jpg').map(item => 'node id')
//const 测速排序 = () => {}
//
//// 查询某个
//
//// 示例: 通过PCDN节点网络获取某个资源
//const pcdn = new PCDN({ server: '/pcdn' })
//pcdn.get('xxx.jpg').then(file => {})

if ('serviceWorker' in navigator) {
    navigator.serviceWorker.addEventListener('message', event => {
        console.log('收到消息 Service Worker: ', event.data) // 接收消息
        event.source.postMessage('Hello from main thread') // 回应 Service Worker
    })
    navigator.serviceWorker.register('/sw.js').then((registration) => {
        console.log('Service Worker 注册成功: ')
    }).catch((error) => {
        console.log('Service Worker 注册失败: ')
    })
}