唯一ID?
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demo.html
30
demo.html
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<!DOCTYPE html>
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<html lang="zh">
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<head>
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<meta charset="UTF-8" />
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<link rel="icon" type="image/svg+xml" href="/vite.svg" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>DEMO</title>
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</head>
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<body>
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<script type="module">
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import { musicStore, chatStore } from './src/store.js'
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console.log(musicStore.name)
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console.log(chatStore.name)
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// 检查过期的消息自动销毁
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// 查询消息列表
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const element = document.createElement('div')
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element.innerHTML = `
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<h1>DEMO</h1>
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<h2>音乐</h2>
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<div id="music">${musicStore.name}</div>
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<h2>聊天</h2>
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<div id="chat">${chatStore.name}</div>
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`
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document.body.appendChild(element)
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</script>
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</body>
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</html>
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import { get, set, del, update, createStore, values } from 'idb-keyval'
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import { List, ListItem, Avatar, Span, Dialog, Button, Input } from './weigets.js'
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export default class ClientList {
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constructor({ channels = {}, EventListeners = {}, name: username, onexit }) {
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this.event = { onexit }
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this.store = createStore(`db-user`, `store-user`)
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this.channels = channels
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this.EventListeners = EventListeners
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const protocol = window.location.protocol === 'https:' ? 'wss' : 'ws'
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@ -194,10 +196,10 @@ export default class ClientList {
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}
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this.websocket = linkStart()
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// 也插入自己的信息
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const avatar = localStorage.getItem('avatar')
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this.push({ id: 'self', name: username, avatar }, true)
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this.我的帐户()
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this.DEBUG()
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}
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async DEBUG() {
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// 监听键盘Esc按下, 如果全局没有焦点则显示调试信息, 如果在调试信息显示期间弹起Esc则隐藏调试信息
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let debug = false
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let debugElement = Dialog({
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@ -225,6 +227,30 @@ export default class ClientList {
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}
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})
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}
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async 我的帐户() {
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if (!localStorage.getItem('id')) {
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localStorage.setItem('id', window.crypto.randomUUID())
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}
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if (!localStorage.getItem('username')) {
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localStorage.setItem('username', '匿')
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}
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if (!localStorage.getItem('avatar')) {
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localStorage.setItem('avatar', '/favicon.ico')
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}
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const id = localStorage.getItem('id')
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const username = localStorage.getItem('username')
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const avatar = localStorage.getItem('avatar')
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console.log('我的帐户:', { id, username, avatar })
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this.push({ id, name: username, avatar }, true)
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}
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async 用户列表() {}
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async 用户加入({ name, id }) {
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await set(id, { name, id }, this.store)
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}
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async 用户离开({ id }) {
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await del(id, this.store)
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}
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getAvatar(id) { }
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setAvatar(user) {
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//console.info('更新avatar', user)
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@ -1 +0,0 @@
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// 通信
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70
src/store.js
70
src/store.js
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import { get, set, del, update, createStore } from 'idb-keyval'
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export class Store {
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constructor(data) {
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this.name = data.name
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this.store = data.store
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// 检查过期的数据
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this.checkExpired()
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}
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async checkExpired() {
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const keys = await this.store.keys()
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const now = Date.now()
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for (const key of keys) {
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const item = await get(key, this.store)
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if (item && item.expiresAt && item.expiresAt < now) {
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await this.store.delete(key)
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}
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}
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}
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async create(data) {
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const id = window.crypto.randomUUID()
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const createdAt = Date.now()
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const updatedAt = createdAt
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const lastUsedAt = createdAt
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const item = { id, createdAt, updatedAt, lastUsedAt, ...data }
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await set(id, item, this.store)
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return item
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}
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async delete(id) {
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return await this.store.delete(id)
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}
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async query(query) {
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}
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async get(id) {
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return await get(id, this.store)
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}
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async update(id, data) {
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const item = await this.get(id)
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if (!item) {
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return null
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}
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const updatedAt = Date.now()
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const lastUsedAt = updatedAt
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const item2 = { ...item, updatedAt, lastUsedAt, ...data }
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await set(id, item2, this.store)
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return item2
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}
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}
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export const musicStore = new Store({
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name: '音乐(资源类型)',
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store: createStore('db-music', 'store-music')
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})
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export const chatStore = new Store({
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name: '聊天(资源类型)',
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store: createStore('db-chat', 'store-chat')
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})
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export const userStore = new Store({
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name: '用户(资源类型)',
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store: createStore('db-user', 'store-user')
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})
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