ReactJS
Socket Options in socket.io-client
When using Socket from the socket.io-client package, you may use various options to customize its behavior. The options are set at connection initialization and provide a good amount of control over how the client connects to and acts upon the server.
Basic Setup
import { io, Socket } from 'socket.io-client';const socket: Socket = io("http://localhost:3000", { // Socket options go here});Key Socket Options
path
Description: Defines the server path for the connection.
Default: "/socket.io"
Example:
path: "/custom-path"autoConnect
Description: Indicates whether the client should connect automatically upon initialization.
Default: true
Example: autoConnect: false
reconnection
Description: Enables or disables automatic reconnection.
Default: true
Example: reconnection: false
reconnectionAttempts
Description: Sets a limit on the number of reconnection attempts.
Default: Infinity
Example: reconnectionAttempts: 5
reconnectionDelay
Description: The initial delay (in ms) before attempting to reconnect.
Default: 1000
Example: reconnectionDelay: 2000
reconnectionDelayMax
Description: The maximum delay (in ms) for reconnections.
Default: 5000
Example: reconnectionDelayMax: 10000
timeout
Description: The duration of the connection timeout (in ms).
Default: 20000
Example: timeout: 30000
query
Description: Sends additional query parameters with the connection request.
Default: {}
Example:
query: { token: "your-auth-token" }
extraHeaders
Description: Adds custom headers to the connection request.
Default: {}
Example:
extraHeaders: { Authorization: "Bearer your-token"}
forceNew
Description: Forces a new connection instance instead of reusing an existing one.
Default: false
Example: forceNew: true
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