add hw2

node_modules/chromium-bidi/lib/esm/bidiMapper/BidiServer.js

@@ -0,0 +1,131 @@
+/**
+ * Copyright 2021 Google LLC.
+ * Copyright (c) Microsoft Corporation.
+ *
+ * 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 { EventEmitter } from '../utils/EventEmitter.js';
+import { LogType } from '../utils/log.js';
+import { ProcessingQueue } from '../utils/ProcessingQueue.js';
+import { CommandProcessor } from './CommandProcessor.js';
+import { BluetoothProcessor } from './modules/bluetooth/BluetoothProcessor.js';
+import { CdpTargetManager } from './modules/cdp/CdpTargetManager.js';
+import { BrowsingContextStorage } from './modules/context/BrowsingContextStorage.js';
+import { NetworkStorage } from './modules/network/NetworkStorage.js';
+import { PreloadScriptStorage } from './modules/script/PreloadScriptStorage.js';
+import { RealmStorage } from './modules/script/RealmStorage.js';
+import { EventManager, } from './modules/session/EventManager.js';
+export class BidiServer extends EventEmitter {
+    #messageQueue;
+    #transport;
+    #commandProcessor;
+    #eventManager;
+    #browsingContextStorage = new BrowsingContextStorage();
+    #realmStorage = new RealmStorage();
+    #preloadScriptStorage = new PreloadScriptStorage();
+    #bluetoothProcessor;
+    #logger;
+    #handleIncomingMessage = (message) => {
+        void this.#commandProcessor.processCommand(message).catch((error) => {
+            this.#logger?.(LogType.debugError, error);
+        });
+    };
+    #processOutgoingMessage = async (messageEntry) => {
+        const message = messageEntry.message;
+        if (messageEntry.channel !== null) {
+            message['channel'] = messageEntry.channel;
+        }
+        await this.#transport.sendMessage(message);
+    };
+    constructor(bidiTransport, cdpConnection, browserCdpClient, selfTargetId, defaultUserContextId, parser, logger) {
+        super();
+        this.#logger = logger;
+        this.#messageQueue = new ProcessingQueue(this.#processOutgoingMessage, this.#logger);
+        this.#transport = bidiTransport;
+        this.#transport.setOnMessage(this.#handleIncomingMessage);
+        this.#eventManager = new EventManager(this.#browsingContextStorage);
+        const networkStorage = new NetworkStorage(this.#eventManager, this.#browsingContextStorage, browserCdpClient, logger);
+        this.#bluetoothProcessor = new BluetoothProcessor(this.#eventManager, this.#browsingContextStorage);
+        this.#commandProcessor = new CommandProcessor(cdpConnection, browserCdpClient, this.#eventManager, this.#browsingContextStorage, this.#realmStorage, this.#preloadScriptStorage, networkStorage, this.#bluetoothProcessor, parser, async (options) => {
+            // This is required to ignore certificate errors when service worker is fetched.
+            await browserCdpClient.sendCommand('Security.setIgnoreCertificateErrors', {
+                ignore: options.acceptInsecureCerts ?? false,
+            });
+            new CdpTargetManager(cdpConnection, browserCdpClient, selfTargetId, this.#eventManager, this.#browsingContextStorage, this.#realmStorage, networkStorage, this.#bluetoothProcessor, this.#preloadScriptStorage, defaultUserContextId, options?.['goog:prerenderingDisabled'] ?? false, options?.unhandledPromptBehavior, logger);
+            // Needed to get events about new targets.
+            await browserCdpClient.sendCommand('Target.setDiscoverTargets', {
+                discover: true,
+            });
+            // Needed to automatically attach to new targets.
+            await browserCdpClient.sendCommand('Target.setAutoAttach', {
+                autoAttach: true,
+                waitForDebuggerOnStart: true,
+                flatten: true,
+                // Browser session should attach to tab instead of the page, so that
+                // prerendering is not blocked.
+                filter: [
+                    {
+                        type: 'page',
+                        exclude: true,
+                    },
+                    {},
+                ],
+            });
+            await this.#topLevelContextsLoaded();
+        }, this.#logger);
+        this.#eventManager.on("event" /* EventManagerEvents.Event */, ({ message, event }) => {
+            this.emitOutgoingMessage(message, event);
+        });
+        this.#commandProcessor.on("response" /* CommandProcessorEvents.Response */, ({ message, event }) => {
+            this.emitOutgoingMessage(message, event);
+        });
+    }
+    /**
+     * Creates and starts BiDi Mapper instance.
+     */
+    static async createAndStart(bidiTransport, cdpConnection, browserCdpClient, selfTargetId, parser, logger) {
+        // The default context is not exposed in Target.getBrowserContexts but can
+        // be observed via Target.getTargets. To determine the default browser
+        // context, we check which one is mentioned in Target.getTargets and not in
+        // Target.getBrowserContexts.
+        const [{ browserContextIds }, { targetInfos }] = await Promise.all([
+            browserCdpClient.sendCommand('Target.getBrowserContexts'),
+            browserCdpClient.sendCommand('Target.getTargets'),
+        ]);
+        let defaultUserContextId = 'default';
+        for (const info of targetInfos) {
+            if (info.browserContextId &&
+                !browserContextIds.includes(info.browserContextId)) {
+                defaultUserContextId = info.browserContextId;
+                break;
+            }
+        }
+        const server = new BidiServer(bidiTransport, cdpConnection, browserCdpClient, selfTargetId, defaultUserContextId, parser, logger);
+        return server;
+    }
+    /**
+     * Sends BiDi message.
+     */
+    emitOutgoingMessage(messageEntry, event) {
+        this.#messageQueue.add(messageEntry, event);
+    }
+    close() {
+        this.#transport.close();
+    }
+    async #topLevelContextsLoaded() {
+        await Promise.all(this.#browsingContextStorage
+            .getTopLevelContexts()
+            .map((c) => c.lifecycleLoaded()));
+    }
+}
+//# sourceMappingURL=BidiServer.js.map