1 files changed, 55 insertions, 0 deletions
diff --git a/remote/test/puppeteer/src/common/BrowserWebSocketTransport.ts b/remote/test/puppeteer/src/common/BrowserWebSocketTransport.ts
new file mode 100644
index 0000000000..9d0e5c4592
--- /dev/null
+++ b/remote/test/puppeteer/src/common/BrowserWebSocketTransport.ts
@@ -0,0 +1,55 @@
+/**
+ * Copyright 2020 Google Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { ConnectionTransport } from './ConnectionTransport.js';
+
+export class BrowserWebSocketTransport implements ConnectionTransport {
+  static create(url: string): Promise<BrowserWebSocketTransport> {
+    return new Promise((resolve, reject) => {
+      const ws = new WebSocket(url);
+
+      ws.addEventListener('open', () =>
+        resolve(new BrowserWebSocketTransport(ws))
+      );
+      ws.addEventListener('error', reject);
+    });
+  }
+
+  private _ws: WebSocket;
+  onmessage?: (message: string) => void;
+  onclose?: () => void;
+
+  constructor(ws: WebSocket) {
+    this._ws = ws;
+    this._ws.addEventListener('message', (event) => {
+      if (this.onmessage) this.onmessage.call(null, event.data);
+    });
+    this._ws.addEventListener('close', () => {
+      if (this.onclose) this.onclose.call(null);
+    });
+    // Silently ignore all errors - we don't know what to do with them.
+    this._ws.addEventListener('error', () => {});
+    this.onmessage = null;
+    this.onclose = null;
+  }
+
+  send(message: string): void {
+    this._ws.send(message);
+  }
+
+  close(): void {
+    this._ws.close();
+  }
+}