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Viewing file:     Realm.js (7.46 KB)      -rw-r--r--

import { Realm } from '../api/Realm.js';
import { LazyArg } from '../common/LazyArg.js';
import { scriptInjector } from '../common/ScriptInjector.js';
import { debugError, getSourcePuppeteerURLIfAvailable, getSourceUrlComment, isString, PuppeteerURL, SOURCE_URL_REGEX, } from '../common/util.js';
import { stringifyFunction } from '../util/Function.js';
import { BidiDeserializer } from './Deserializer.js';
import { BidiElementHandle } from './ElementHandle.js';
import { BidiJSHandle } from './JSHandle.js';
import { BidiSerializer } from './Serializer.js';
import { createEvaluationError } from './util.js';
/**
 * @internal
 */
export class BidiRealm extends Realm {
    realm;
    constructor(realm, timeoutSettings) {
        super(timeoutSettings);
        this.realm = realm;
    }
    initialize() {
        this.realm.on('destroyed', ({ reason }) => {
            this.taskManager.terminateAll(new Error(reason));
        });
        this.realm.on('updated', () => {
            this.internalPuppeteerUtil = undefined;
            void this.taskManager.rerunAll();
        });
    }
    internalPuppeteerUtil;
    get puppeteerUtil() {
        const promise = Promise.resolve();
        scriptInjector.inject(script => {
            if (this.internalPuppeteerUtil) {
                void this.internalPuppeteerUtil.then(handle => {
                    void handle.dispose();
                });
            }
            this.internalPuppeteerUtil = promise.then(() => {
                return this.evaluateHandle(script);
            });
        }, !this.internalPuppeteerUtil);
        return this.internalPuppeteerUtil;
    }
    async evaluateHandle(pageFunction, ...args) {
        return await this.#evaluate(false, pageFunction, ...args);
    }
    async evaluate(pageFunction, ...args) {
        return await this.#evaluate(true, pageFunction, ...args);
    }
    async #evaluate(returnByValue, pageFunction, ...args) {
        const sourceUrlComment = getSourceUrlComment(getSourcePuppeteerURLIfAvailable(pageFunction)?.toString() ??
            PuppeteerURL.INTERNAL_URL);
        let responsePromise;
        const resultOwnership = returnByValue
            ? "none" /* Bidi.Script.ResultOwnership.None */
            : "root" /* Bidi.Script.ResultOwnership.Root */;
        const serializationOptions = returnByValue
            ? {}
            : {
                maxObjectDepth: 0,
                maxDomDepth: 0,
            };
        if (isString(pageFunction)) {
            const expression = SOURCE_URL_REGEX.test(pageFunction)
                ? pageFunction
                : `${pageFunction}\n${sourceUrlComment}\n`;
            responsePromise = this.realm.evaluate(expression, true, {
                resultOwnership,
                userActivation: true,
                serializationOptions,
            });
        }
        else {
            let functionDeclaration = stringifyFunction(pageFunction);
            functionDeclaration = SOURCE_URL_REGEX.test(functionDeclaration)
                ? functionDeclaration
                : `${functionDeclaration}\n${sourceUrlComment}\n`;
            responsePromise = this.realm.callFunction(functionDeclaration, 
            /* awaitPromise= */ true, {
                arguments: args.length
                    ? await Promise.all(args.map(arg => {
                        return this.serialize(arg);
                    }))
                    : [],
                resultOwnership,
                userActivation: true,
                serializationOptions,
            });
        }
        const result = await responsePromise;
        if ('type' in result && result.type === 'exception') {
            throw createEvaluationError(result.exceptionDetails);
        }
        return returnByValue
            ? BidiDeserializer.deserialize(result.result)
            : this.createHandle(result.result);
    }
    createHandle(result) {
        if ((result.type === 'node' || result.type === 'window') &&
            this instanceof BidiFrameRealm) {
            return BidiElementHandle.from(result, this);
        }
        return BidiJSHandle.from(result, this);
    }
    async serialize(arg) {
        if (arg instanceof LazyArg) {
            arg = await arg.get(this);
        }
        if (arg instanceof BidiJSHandle || arg instanceof BidiElementHandle) {
            if (arg.realm !== this) {
                if (!(arg.realm instanceof BidiFrameRealm) ||
                    !(this instanceof BidiFrameRealm)) {
                    throw new Error("Trying to evaluate JSHandle from different global types. Usually this means you're using a handle from a worker in a page or vice versa.");
                }
                if (arg.realm.environment !== this.environment) {
                    throw new Error("Trying to evaluate JSHandle from different frames. Usually this means you're using a handle from a page on a different page.");
                }
            }
            if (arg.disposed) {
                throw new Error('JSHandle is disposed!');
            }
            return arg.remoteValue();
        }
        return BidiSerializer.serialize(arg);
    }
    async destroyHandles(handles) {
        const handleIds = handles
            .map(({ id }) => {
            return id;
        })
            .filter((id) => {
            return id !== undefined;
        });
        if (handleIds.length === 0) {
            return;
        }
        await this.realm.disown(handleIds).catch(error => {
            // Exceptions might happen in case of a page been navigated or closed.
            // Swallow these since they are harmless and we don't leak anything in this case.
            debugError(error);
        });
    }
    async adoptHandle(handle) {
        return (await this.evaluateHandle(node => {
            return node;
        }, handle));
    }
    async transferHandle(handle) {
        if (handle.realm === this) {
            return handle;
        }
        const transferredHandle = this.adoptHandle(handle);
        await handle.dispose();
        return await transferredHandle;
    }
}
/**
 * @internal
 */
export class BidiFrameRealm extends BidiRealm {
    static from(realm, frame) {
        const frameRealm = new BidiFrameRealm(realm, frame);
        frameRealm.#initialize();
        return frameRealm;
    }
    #frame;
    constructor(realm, frame) {
        super(realm, frame.timeoutSettings);
        this.#frame = frame;
    }
    #initialize() {
        // This should run first.
        this.realm.on('updated', () => {
            this.environment.clearDocumentHandle();
        });
        super.initialize();
    }
    get sandbox() {
        return this.realm.sandbox;
    }
    get environment() {
        return this.#frame;
    }
    async adoptBackendNode(backendNodeId) {
        const { object } = await this.#frame.client.send('DOM.resolveNode', {
            backendNodeId,
        });
        return BidiElementHandle.from({
            handle: object.objectId,
            type: 'node',
        }, this);
    }
}
/**
 * @internal
 */
export class BidiWorkerRealm extends BidiRealm {
    static from(realm, worker) {
        const workerRealm = new BidiWorkerRealm(realm, worker);
        workerRealm.initialize();
        return workerRealm;
    }
    #worker;
    constructor(realm, frame) {
        super(realm, frame.timeoutSettings);
        this.#worker = frame;
    }
    get environment() {
        return this.#worker;
    }
    async adoptBackendNode() {
        throw new Error('Cannot adopt DOM nodes into a worker.');
    }
}
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