chromium-bidi/lib/bidiMapper/modules/cdp/CdpProcessor.js

An implementation of the WebDriver BiDi protocol for Chromium implemented as a JavaScript layer translating between BiDi and CDP, running inside a Chrome tab.

/**
 * Copyright 2023 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 { UnknownErrorException } from '../../../protocol/protocol.js';
export class CdpProcessor {
    #browsingContextStorage;
    #realmStorage;
    #cdpConnection;
    #browserCdpClient;
    constructor(browsingContextStorage, realmStorage, cdpConnection, browserCdpClient) {
        this.#browsingContextStorage = browsingContextStorage;
        this.#realmStorage = realmStorage;
        this.#cdpConnection = cdpConnection;
        this.#browserCdpClient = browserCdpClient;
    }
    getSession(params) {
        const context = params.context;
        const sessionId = this.#browsingContextStorage.getContext(context).cdpTarget.cdpSessionId;
        if (sessionId === undefined) {
            return {};
        }
        return { session: sessionId };
    }
    resolveRealm(params) {
        const context = params.realm;
        const realm = this.#realmStorage.getRealm({ realmId: context });
        if (realm === undefined) {
            throw new UnknownErrorException(`Could not find realm ${params.realm}`);
        }
        return { executionContextId: realm.executionContextId };
    }
    async sendCommand(params) {
        const client = params.session
            ? this.#cdpConnection.getCdpClient(params.session)
            : this.#browserCdpClient;
        const result = await client.sendCommand(params.method, params.params);
        return {
            result,
            session: params.session,
        };
    }
}
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