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How to use _ensureIsolatedWorld method in Puppeteer

Best JavaScript code snippet using puppeteer

FrameManager.js

Source:FrameManager.js

...51        const { frameTree } = result[1];52        this._handleFrameTree(frameTree);53        await Promise.all([54            this._client.send('Page.setLifecycleEventsEnabled', { enabled: true }),55            this._client.send('Runtime.enable', {}).then(() => this._ensureIsolatedWorld(UTILITY_WORLD_NAME)),56            this._networkManager.initialize(),57        ]);58    }59    networkManager() {60        return this._networkManager;61    }62    async navigateFrame(frame, url, options = {}) {63        assertNoLegacyNavigationOptions(options);64        const { referer = this._networkManager.extraHTTPHeaders()['referer'], waitUntil = ['load'], timeout = this._timeoutSettings.navigationTimeout(), } = options;65        const watcher = new LifecycleWatcher_1.LifecycleWatcher(this, frame, waitUntil, timeout);66        let ensureNewDocumentNavigation = false;67        let error = await Promise.race([68            navigate(this._client, url, referer, frame._id),69            watcher.timeoutOrTerminationPromise(),70        ]);71        if (!error) {72            error = await Promise.race([73                watcher.timeoutOrTerminationPromise(),74                ensureNewDocumentNavigation ? watcher.newDocumentNavigationPromise() : watcher.sameDocumentNavigationPromise(),75            ]);76        }77        watcher.dispose();78        if (error)79            throw error;80        return watcher.navigationResponse();81        async function navigate(client, url, referrer, frameId) {82            try {83                const response = await client.send('Page.navigate', { url, referrer, frameId });84                ensureNewDocumentNavigation = !!response.loaderId;85                return response.errorText ? new Error(`${response.errorText} at ${url}`) : null;86            }87            catch (error) {88                return error;89            }90        }91    }92    async waitForFrameNavigation(frame, options = {}) {93        assertNoLegacyNavigationOptions(options);94        const { waitUntil = ['load'], timeout = this._timeoutSettings.navigationTimeout(), } = options;95        const watcher = new LifecycleWatcher_1.LifecycleWatcher(this, frame, waitUntil, timeout);96        const error = await Promise.race([97            watcher.timeoutOrTerminationPromise(),98            watcher.sameDocumentNavigationPromise(),99            watcher.newDocumentNavigationPromise()100        ]);101        watcher.dispose();102        if (error)103            throw error;104        return watcher.navigationResponse();105    }106    _onLifecycleEvent(event) {107        const frame = this._frames.get(event.frameId);108        if (!frame)109            return;110        frame._onLifecycleEvent(event.loaderId, event.name);111        this.emit(Events_1.Events.FrameManager.LifecycleEvent, frame);112    }113    _onFrameStoppedLoading(frameId) {114        const frame = this._frames.get(frameId);115        if (!frame)116            return;117        frame._onLoadingStopped();118        this.emit(Events_1.Events.FrameManager.LifecycleEvent, frame);119    }120    _handleFrameTree(frameTree) {121        if (frameTree.frame.parentId)122            this._onFrameAttached(frameTree.frame.id, frameTree.frame.parentId);123        this._onFrameNavigated(frameTree.frame);124        if (!frameTree.childFrames)125            return;126        for (const child of frameTree.childFrames)127            this._handleFrameTree(child);128    }129    page() {130        return this._page;131    }132    mainFrame() {133        return this._mainFrame;134    }135    frames() {136        return Array.from(this._frames.values());137    }138    frame(frameId) {139        return this._frames.get(frameId) || null;140    }141    _onFrameAttached(frameId, parentFrameId) {142        if (this._frames.has(frameId))143            return;144        helper_1.assert(parentFrameId);145        const parentFrame = this._frames.get(parentFrameId);146        const frame = new Frame(this, this._client, parentFrame, frameId);147        this._frames.set(frame._id, frame);148        this.emit(Events_1.Events.FrameManager.FrameAttached, frame);149    }150    _onFrameNavigated(framePayload) {151        const isMainFrame = !framePayload.parentId;152        let frame = isMainFrame ? this._mainFrame : this._frames.get(framePayload.id);153        helper_1.assert(isMainFrame || frame, 'We either navigate top level or have old version of the navigated frame');154        // Detach all child frames first.155        if (frame) {156            for (const child of frame.childFrames())157                this._removeFramesRecursively(child);158        }159        // Update or create main frame.160        if (isMainFrame) {161            if (frame) {162                // Update frame id to retain frame identity on cross-process navigation.163                this._frames.delete(frame._id);164                frame._id = framePayload.id;165            }166            else {167                // Initial main frame navigation.168                frame = new Frame(this, this._client, null, framePayload.id);169            }170            this._frames.set(framePayload.id, frame);171            this._mainFrame = frame;172        }173        // Update frame payload.174        frame._navigated(framePayload);175        this.emit(Events_1.Events.FrameManager.FrameNavigated, frame);176    }177    async _ensureIsolatedWorld(name) {178        if (this._isolatedWorlds.has(name))179            return;180        this._isolatedWorlds.add(name);181        await this._client.send('Page.addScriptToEvaluateOnNewDocument', {182            source: `//# sourceURL=${ExecutionContext_1.EVALUATION_SCRIPT_URL}`,183            worldName: name,184        }),185            await Promise.all(this.frames().map(frame => this._client.send('Page.createIsolatedWorld', {186                frameId: frame._id,187                grantUniveralAccess: true,188                worldName: name,189            }).catch(helper_1.debugError))); // frames might be removed before we send this190    }191    _onFrameNavigatedWithinDocument(frameId, url) {...

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