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58 lines
1.4 KiB
58 lines
1.4 KiB
2 years ago
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import { url } from "./url.js";
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import { Manager } from "./manager.js";
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import { Socket } from "./socket.js";
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/**
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* Managers cache.
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*/
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const cache = {};
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function lookup(uri, opts) {
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if (typeof uri === "object") {
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opts = uri;
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uri = undefined;
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}
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opts = opts || {};
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const parsed = url(uri, opts.path || "/socket.io");
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const source = parsed.source;
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const id = parsed.id;
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const path = parsed.path;
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const sameNamespace = cache[id] && path in cache[id]["nsps"];
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const newConnection = opts.forceNew ||
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opts["force new connection"] ||
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false === opts.multiplex ||
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sameNamespace;
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let io;
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if (newConnection) {
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io = new Manager(source, opts);
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}
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else {
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if (!cache[id]) {
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cache[id] = new Manager(source, opts);
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}
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io = cache[id];
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}
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if (parsed.query && !opts.query) {
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opts.query = parsed.queryKey;
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}
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return io.socket(parsed.path, opts);
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}
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// so that "lookup" can be used both as a function (e.g. `io(...)`) and as a
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// namespace (e.g. `io.connect(...)`), for backward compatibility
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Object.assign(lookup, {
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Manager,
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Socket,
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io: lookup,
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connect: lookup,
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});
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/**
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* Protocol version.
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*
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* @public
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*/
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export { protocol } from "socket.io-parser";
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/**
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* Expose constructors for standalone build.
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*
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* @public
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*/
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export { Manager, Socket, lookup as io, lookup as connect, lookup as default, };
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