前端代码

node_modules/socket.io-client/build/esm-debug/index.js

@@ -0,0 +1,62 @@
+import { url } from "./url.js";
+import { Manager } from "./manager.js";
+import { Socket } from "./socket.js";
+import debugModule from "debug"; // debug()
+const debug = debugModule("socket.io-client"); // debug()
+/**
+ * Managers cache.
+ */
+const cache = {};
+function lookup(uri, opts) {
+    if (typeof uri === "object") {
+        opts = uri;
+        uri = undefined;
+    }
+    opts = opts || {};
+    const parsed = url(uri, opts.path || "/socket.io");
+    const source = parsed.source;
+    const id = parsed.id;
+    const path = parsed.path;
+    const sameNamespace = cache[id] && path in cache[id]["nsps"];
+    const newConnection = opts.forceNew ||
+        opts["force new connection"] ||
+        false === opts.multiplex ||
+        sameNamespace;
+    let io;
+    if (newConnection) {
+        debug("ignoring socket cache for %s", source);
+        io = new Manager(source, opts);
+    }
+    else {
+        if (!cache[id]) {
+            debug("new io instance for %s", source);
+            cache[id] = new Manager(source, opts);
+        }
+        io = cache[id];
+    }
+    if (parsed.query && !opts.query) {
+        opts.query = parsed.queryKey;
+    }
+    return io.socket(parsed.path, opts);
+}
+// so that "lookup" can be used both as a function (e.g. `io(...)`) and as a
+// namespace (e.g. `io.connect(...)`), for backward compatibility
+Object.assign(lookup, {
+    Manager,
+    Socket,
+    io: lookup,
+    connect: lookup,
+});
+/**
+ * Protocol version.
+ *
+ * @public
+ */
+export { protocol } from "socket.io-parser";
+/**
+ * Expose constructors for standalone build.
+ *
+ * @public
+ */
+export { Manager, Socket, lookup as io, lookup as connect, lookup as default, };
+export { Fetch, NodeXHR, XHR, NodeWebSocket, WebSocket, WebTransport, } from "engine.io-client";