Usage

Keep a connection open

This type is used by global.WebSocket

tsx
const socket = new WebSocket('wss://chat.example.com', ['v2']);

socket.onopen = () => socket.send(JSON.stringify({ hello: true }));
socket.onmessage = ({ data }) => console.log(data); // a string, or an ArrayBuffer
socket.onclose = ({ code, reason, wasClean }) => {};

Type declaration

ts
interface WebSocketEvent {
    readonly type: 'open' | 'message' | 'error' | 'close';
    readonly target: WebSocket;
    /** A text message as a string, a binary one as an ArrayBuffer. */
    readonly data?: string | ArrayBuffer;
    /** The platform's description of an error. */
    readonly message?: string;
    readonly code?: number;
    readonly reason?: string;
    readonly wasClean?: boolean;
  }

Members 7

NameTypeRequiredDescription
typereadonly"close" | "open" | "error" | "message"Yes—
targetreadonlyWebSocketYes—
datareadonlystring | ArrayBufferNoA text message as a string, a binary one as an ArrayBuffer.
messagereadonlystringNoThe platform's description of an error.
codereadonlynumberNo—
reasonreadonlystringNo—
wasCleanreadonlybooleanNo—
Generated from the public TypeScript declarations: signatures, props and defaults come from the checked source, descriptions from its JSDoc. No defaults are invented.