xiaokuaisong-xiaochengxu/uniapp04/node_modules/engine.io-client/build/esm/transports/websocket.node.js
2025-04-11 14:42:29 +08:00

42 lines
1.4 KiB
JavaScript

import { WebSocket } from "ws";
import { BaseWS } from "./websocket.js";
/**
* WebSocket transport based on the `WebSocket` object provided by the `ws` package.
*
* Usage: Node.js, Deno (compat), Bun (compat)
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket
* @see https://caniuse.com/mdn-api_websocket
*/
export class WS extends BaseWS {
createSocket(uri, protocols, opts) {
var _a;
if ((_a = this.socket) === null || _a === void 0 ? void 0 : _a._cookieJar) {
opts.headers = opts.headers || {};
opts.headers.cookie =
typeof opts.headers.cookie === "string"
? [opts.headers.cookie]
: opts.headers.cookie || [];
for (const [name, cookie] of this.socket._cookieJar.cookies) {
opts.headers.cookie.push(`${name}=${cookie.value}`);
}
}
return new WebSocket(uri, protocols, opts);
}
doWrite(packet, data) {
const opts = {};
if (packet.options) {
opts.compress = packet.options.compress;
}
if (this.opts.perMessageDeflate) {
const len =
// @ts-ignore
"string" === typeof data ? Buffer.byteLength(data) : data.length;
if (len < this.opts.perMessageDeflate.threshold) {
opts.compress = false;
}
}
this.ws.send(data, opts);
}
}