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node_modules/puppeteer/lib/WebSocketTransport.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.WebSocketTransport = void 0;
+/**
+ * Copyright 2018 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.
+ */
+const NodeWebSocket = require("ws");
+class WebSocketTransport {
+    constructor(ws) {
+        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;
+    }
+    static create(url) {
+        return new Promise((resolve, reject) => {
+            const ws = new NodeWebSocket(url, [], {
+                perMessageDeflate: false,
+                maxPayload: 256 * 1024 * 1024,
+            });
+            ws.addEventListener('open', () => resolve(new WebSocketTransport(ws)));
+            ws.addEventListener('error', reject);
+        });
+    }
+    send(message) {
+        this._ws.send(message);
+    }
+    close() {
+        this._ws.close();
+    }
+}
+exports.WebSocketTransport = WebSocketTransport;