First Commit

node_modules/playwright/lib/mcp/transport.js

@@ -0,0 +1,161 @@
+"use strict";
+var __create = Object.create;
+var __defProp = Object.defineProperty;
+var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
+var __getOwnPropNames = Object.getOwnPropertyNames;
+var __getProtoOf = Object.getPrototypeOf;
+var __hasOwnProp = Object.prototype.hasOwnProperty;
+var __export = (target, all) => {
+  for (var name in all)
+    __defProp(target, name, { get: all[name], enumerable: true });
+};
+var __copyProps = (to, from, except, desc) => {
+  if (from && typeof from === "object" || typeof from === "function") {
+    for (let key of __getOwnPropNames(from))
+      if (!__hasOwnProp.call(to, key) && key !== except)
+        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
+  }
+  return to;
+};
+var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
+  // If the importer is in node compatibility mode or this is not an ESM
+  // file that has been converted to a CommonJS file using a Babel-
+  // compatible transform (i.e. "__esModule" has not been set), then set
+  // "default" to the CommonJS "module.exports" for node compatibility.
+  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
+  mod
+));
+var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
+var transport_exports = {};
+__export(transport_exports, {
+  start: () => start
+});
+module.exports = __toCommonJS(transport_exports);
+var import_assert = __toESM(require("assert"));
+var import_http = __toESM(require("http"));
+var import_crypto = __toESM(require("crypto"));
+var import_utilsBundle = require("playwright-core/lib/utilsBundle");
+var mcpBundle = __toESM(require("./bundle"));
+var mcpServer = __toESM(require("./server"));
+async function start(serverBackendFactory, options) {
+  if (options.port !== void 0) {
+    const httpServer = await startHttpServer(options);
+    startHttpTransport(httpServer, serverBackendFactory);
+  } else {
+    await startStdioTransport(serverBackendFactory);
+  }
+}
+async function startStdioTransport(serverBackendFactory) {
+  await mcpServer.connect(serverBackendFactory, new mcpBundle.StdioServerTransport(), false);
+}
+const testDebug = (0, import_utilsBundle.debug)("pw:mcp:test");
+async function handleSSE(serverBackendFactory, req, res, url, sessions) {
+  if (req.method === "POST") {
+    const sessionId = url.searchParams.get("sessionId");
+    if (!sessionId) {
+      res.statusCode = 400;
+      return res.end("Missing sessionId");
+    }
+    const transport = sessions.get(sessionId);
+    if (!transport) {
+      res.statusCode = 404;
+      return res.end("Session not found");
+    }
+    return await transport.handlePostMessage(req, res);
+  } else if (req.method === "GET") {
+    const transport = new mcpBundle.SSEServerTransport("/sse", res);
+    sessions.set(transport.sessionId, transport);
+    testDebug(`create SSE session: ${transport.sessionId}`);
+    await mcpServer.connect(serverBackendFactory, transport, false);
+    res.on("close", () => {
+      testDebug(`delete SSE session: ${transport.sessionId}`);
+      sessions.delete(transport.sessionId);
+    });
+    return;
+  }
+  res.statusCode = 405;
+  res.end("Method not allowed");
+}
+async function handleStreamable(serverBackendFactory, req, res, sessions) {
+  const sessionId = req.headers["mcp-session-id"];
+  if (sessionId) {
+    const transport = sessions.get(sessionId);
+    if (!transport) {
+      res.statusCode = 404;
+      res.end("Session not found");
+      return;
+    }
+    return await transport.handleRequest(req, res);
+  }
+  if (req.method === "POST") {
+    const transport = new mcpBundle.StreamableHTTPServerTransport({
+      sessionIdGenerator: () => import_crypto.default.randomUUID(),
+      onsessioninitialized: async (sessionId2) => {
+        testDebug(`create http session: ${transport.sessionId}`);
+        await mcpServer.connect(serverBackendFactory, transport, true);
+        sessions.set(sessionId2, transport);
+      }
+    });
+    transport.onclose = () => {
+      if (!transport.sessionId)
+        return;
+      sessions.delete(transport.sessionId);
+      testDebug(`delete http session: ${transport.sessionId}`);
+    };
+    await transport.handleRequest(req, res);
+    return;
+  }
+  res.statusCode = 400;
+  res.end("Invalid request");
+}
+function startHttpTransport(httpServer, serverBackendFactory) {
+  const sseSessions = /* @__PURE__ */ new Map();
+  const streamableSessions = /* @__PURE__ */ new Map();
+  httpServer.on("request", async (req, res) => {
+    const url2 = new URL(`http://localhost${req.url}`);
+    if (url2.pathname.startsWith("/sse"))
+      await handleSSE(serverBackendFactory, req, res, url2, sseSessions);
+    else
+      await handleStreamable(serverBackendFactory, req, res, streamableSessions);
+  });
+  const url = httpAddressToString(httpServer.address());
+  const message = [
+    `Listening on ${url}`,
+    "Put this in your client config:",
+    JSON.stringify({
+      "mcpServers": {
+        "playwright": {
+          "url": `${url}/mcp`
+        }
+      }
+    }, void 0, 2),
+    "For legacy SSE transport support, you can use the /sse endpoint instead."
+  ].join("\n");
+  console.error(message);
+}
+async function startHttpServer(config) {
+  const { host, port } = config;
+  const httpServer = import_http.default.createServer();
+  await new Promise((resolve, reject) => {
+    httpServer.on("error", reject);
+    httpServer.listen(port, host, () => {
+      resolve();
+      httpServer.removeListener("error", reject);
+    });
+  });
+  return httpServer;
+}
+function httpAddressToString(address) {
+  (0, import_assert.default)(address, "Could not bind server socket");
+  if (typeof address === "string")
+    return address;
+  const resolvedPort = address.port;
+  let resolvedHost = address.family === "IPv4" ? address.address : `[${address.address}]`;
+  if (resolvedHost === "0.0.0.0" || resolvedHost === "[::]")
+    resolvedHost = "localhost";
+  return `http://${resolvedHost}:${resolvedPort}`;
+}
+// Annotate the CommonJS export names for ESM import in node:
+0 && (module.exports = {
+  start
+});