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nexus-chat-ui

v0.1.3

Published

A React 19 chat component with built-in WebSocket logic, built with Chatscope, Vite, and TypeScript.

Readme

nexus-chat-ui

nexus-chat-ui 是一个面向 Nexus IM 的 React 聊天组件包。业务项目只需要提供 WebSocket 地址、HTTP API 地址、用户 ID 和 token,就可以接入单聊、群聊、联系人、好友申请、历史消息、未读数和自动重连等聊天能力。

适用环境

  • React ^19.0.0
  • React DOM ^19.0.0
  • Node.js >=18
  • 业务项目需要支持 CSS 打包导入

安装

pnpm add nexus-chat-ui

如果项目还没有安装 React 19:

pnpm add react@^19 react-dom@^19

最小接入

import { NexusChatUI } from 'nexus-chat-ui'

export default function ChatPage() {
  return (
    <div style={{ height: '100vh' }}>
      <NexusChatUI
        wsUrl="wss://im.example.com/ws"
        httpUrl="https://im.example.com"
        searchUrl="https://im.example.com/api/v1/public/search_user"
        getUserUrl="https://im.example.com/api/v1/public/search_list"
        token="USER_TOKEN"
        userId="10001"
      />
    </div>
  )
}

组件本身会撑满父容器高度,接入时请给外层容器设置明确高度,例如 100vh600px 或业务布局中的剩余高度。

Props

| Prop | 类型 | 必填 | 默认值 | 说明 | | --- | --- | --- | --- | --- | | wsUrl | string | 是 | - | WebSocket 长连接地址,用于消息收发。 | | httpUrl | string | 是 | - | HTTP API baseURL,包内 axios 请求会基于它访问会话、群聊、联系人等接口。 | | searchUrl | string | 是 | - | 业务平台提供的用户搜索接口地址,用于按关键字查找用户并获取目标用户 userId。 | | getUserUrl | string | 是 | - | 业务平台提供的用户头像与昵称批量查询接口地址,用于按 userId 补齐展示资料。 | | token | string | 是 | - | 鉴权 token。HTTP 请求使用 Authorization: Bearer <token>,WebSocket 会拼到查询参数 token。 | | userId | string \| number | 是 | - | 当前登录用户 ID。 | | connectionParams | Record<string, string \| number \| boolean \| undefined> | 否 | undefined | 额外 WebSocket 查询参数。 | | placeholder | string | 否 | Type message here | 输入框占位文案。 | | className | string | 否 | undefined | 根节点自定义 className。 | | disabled | boolean | 否 | false | 是否禁用输入区域。 | | autoConnect | boolean | 否 | true | 组件挂载后是否自动建立 WebSocket 连接。 | | emptyMessageText | string | 否 | - | 当前会话无消息时显示的占位文案。 | | onMessageReceive | (message: ChatMessageItem) => void | 否 | undefined | 收到服务端消息后的回调。 | | onConnectionStatusChange | (status: ChatConnectionStatus) => void | 否 | undefined | 连接状态变化回调。 | | onError | (error: Event \| Error \| unknown) => void | 否 | undefined | 连接或消息处理异常回调。 |

业务平台需提供的用户接口

聊天系统内部只保存用户 userId,不直接存储业务侧的用户昵称和头像。因此业务平台在接入时需要额外提供两个用户相关接口,并分别通过 searchUrlgetUserUrl 传入组件。

searchUrl:用户搜索接口

searchUrl 用于根据关键字搜索业务平台用户,通常发生在“添加好友”场景。组件会通过该接口获取目标用户的 userId,再基于这个 userId 发起好友申请。

请求体:

{
  search_content: string
}

返回结果建议包含用户 ID、昵称和头像:

Array<{
  id: string
  nickname?: string
  avatar?: string
  email?: string
}>

getUserUrl:用户头像与昵称查询接口

getUserUrl 用于批量查询用户展示资料。聊天组件在加载会话、群聊、联系人、消息发送人等数据后,会收集其中涉及的多个 userId,通过该接口一次性补齐用户昵称和头像。

请求体:

{
  user_id_list: string[]
}

返回结果:

Array<{
  userId: string
  userName: string
  avatarUrl: string
}>

完整示例

import { useState } from 'react'
import { NexusChatUI, type ChatConnectionStatus } from 'nexus-chat-ui'

export function CustomerServiceChat() {
  const [status, setStatus] = useState<ChatConnectionStatus>('idle')

  return (
    <section style={{ height: 720 }}>
      <div>连接状态:{status}</div>

      <NexusChatUI
        wsUrl="wss://im.example.com/ws"
        httpUrl="https://im.example.com"
        searchUrl="https://account.example.com/api/v1/public/search_user"
        getUserUrl="https://account.example.com/api/v1/public/search_list"
        token={localStorage.getItem('token') ?? ''}
        userId={localStorage.getItem('userId') ?? ''}
        connectionParams={{
          client: 'web',
          tenantId: 'tenant-a',
        }}
        placeholder="请输入消息"
        onConnectionStatusChange={setStatus}
        onMessageReceive={(message) => {
          console.log('received message:', message)
        }}
        onError={(error) => {
          console.error('chat error:', error)
        }}
      />
    </section>
  )
}