mirror of
https://github.com/puppeteer/puppeteer
synced 2024-06-14 14:02:48 +00:00
692 lines
19 KiB
JavaScript
692 lines
19 KiB
JavaScript
/**
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* Copyright 2017 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const EventEmitter = require('events');
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const {helper, assert} = require('./helper');
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const {Events} = require('./Events');
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const {ExecutionContext, EVALUATION_SCRIPT_URL} = require('./ExecutionContext');
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const {LifecycleWatcher} = require('./LifecycleWatcher');
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const {DOMWorld} = require('./DOMWorld');
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const UTILITY_WORLD_NAME = '__puppeteer_utility_world__';
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class FrameManager extends EventEmitter {
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/**
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* @param {!Puppeteer.CDPSession} client
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* @param {!Protocol.Page.FrameTree} frameTree
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* @param {!Puppeteer.Page} page
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* @param {!Puppeteer.NetworkManager} networkManager
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*/
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constructor(client, frameTree, page, networkManager) {
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super();
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this._client = client;
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this._page = page;
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this._networkManager = networkManager;
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this._defaultNavigationTimeout = 30000;
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/** @type {!Map<string, !Frame>} */
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this._frames = new Map();
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/** @type {!Map<number, !ExecutionContext>} */
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this._contextIdToContext = new Map();
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/** @type {!Set<string>} */
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this._isolatedWorlds = new Set();
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this._client.on('Page.frameAttached', event => this._onFrameAttached(event.frameId, event.parentFrameId));
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this._client.on('Page.frameNavigated', event => this._onFrameNavigated(event.frame));
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this._client.on('Page.navigatedWithinDocument', event => this._onFrameNavigatedWithinDocument(event.frameId, event.url));
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this._client.on('Page.frameDetached', event => this._onFrameDetached(event.frameId));
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this._client.on('Page.frameStoppedLoading', event => this._onFrameStoppedLoading(event.frameId));
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this._client.on('Runtime.executionContextCreated', event => this._onExecutionContextCreated(event.context));
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this._client.on('Runtime.executionContextDestroyed', event => this._onExecutionContextDestroyed(event.executionContextId));
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this._client.on('Runtime.executionContextsCleared', event => this._onExecutionContextsCleared());
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this._client.on('Page.lifecycleEvent', event => this._onLifecycleEvent(event));
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this._handleFrameTree(frameTree);
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}
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/**
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* @param {number} timeout
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*/
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setDefaultNavigationTimeout(timeout) {
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this._defaultNavigationTimeout = timeout;
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}
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/**
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* @param {!Puppeteer.Frame} frame
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* @param {string} url
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* @param {!{referer?: string, timeout?: number, waitUntil?: string|!Array<string>}=} options
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* @return {!Promise<?Puppeteer.Response>}
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*/
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async navigateFrame(frame, url, options = {}) {
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assertNoLegacyNavigationOptions(options);
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const {
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referer = this._networkManager.extraHTTPHeaders()['referer'],
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waitUntil = ['load'],
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timeout = this._defaultNavigationTimeout,
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} = options;
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const watcher = new LifecycleWatcher(this, frame, waitUntil, timeout);
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let ensureNewDocumentNavigation = false;
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let error = await Promise.race([
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navigate(this._client, url, referer, frame._id),
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watcher.timeoutOrTerminationPromise(),
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]);
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if (!error) {
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error = await Promise.race([
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watcher.timeoutOrTerminationPromise(),
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ensureNewDocumentNavigation ? watcher.newDocumentNavigationPromise() : watcher.sameDocumentNavigationPromise(),
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]);
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}
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watcher.dispose();
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if (error)
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throw error;
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return watcher.navigationResponse();
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/**
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* @param {!Puppeteer.CDPSession} client
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* @param {string} url
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* @param {string} referrer
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* @param {string} frameId
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* @return {!Promise<?Error>}
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*/
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async function navigate(client, url, referrer, frameId) {
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try {
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const response = await client.send('Page.navigate', {url, referrer, frameId});
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ensureNewDocumentNavigation = !!response.loaderId;
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return response.errorText ? new Error(`${response.errorText} at ${url}`) : null;
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} catch (error) {
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return error;
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}
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}
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}
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/**
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* @param {!Puppeteer.Frame} frame
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* @param {!{timeout?: number, waitUntil?: string|!Array<string>}=} options
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* @return {!Promise<?Puppeteer.Response>}
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*/
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async waitForFrameNavigation(frame, options = {}) {
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assertNoLegacyNavigationOptions(options);
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const {
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waitUntil = ['load'],
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timeout = this._defaultNavigationTimeout,
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} = options;
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const watcher = new LifecycleWatcher(this, frame, waitUntil, timeout);
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const error = await Promise.race([
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watcher.timeoutOrTerminationPromise(),
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watcher.sameDocumentNavigationPromise(),
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watcher.newDocumentNavigationPromise()
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]);
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watcher.dispose();
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if (error)
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throw error;
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return watcher.navigationResponse();
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}
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/**
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* @param {!Protocol.Page.lifecycleEventPayload} event
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*/
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_onLifecycleEvent(event) {
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const frame = this._frames.get(event.frameId);
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if (!frame)
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return;
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frame._onLifecycleEvent(event.loaderId, event.name);
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this.emit(Events.FrameManager.LifecycleEvent, frame);
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}
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/**
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* @param {string} frameId
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*/
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_onFrameStoppedLoading(frameId) {
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const frame = this._frames.get(frameId);
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if (!frame)
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return;
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frame._onLoadingStopped();
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this.emit(Events.FrameManager.LifecycleEvent, frame);
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}
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/**
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* @param {!Protocol.Page.FrameTree} frameTree
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*/
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_handleFrameTree(frameTree) {
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if (frameTree.frame.parentId)
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this._onFrameAttached(frameTree.frame.id, frameTree.frame.parentId);
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this._onFrameNavigated(frameTree.frame);
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if (!frameTree.childFrames)
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return;
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for (const child of frameTree.childFrames)
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this._handleFrameTree(child);
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}
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/**
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* @return {!Puppeteer.Page}
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*/
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page() {
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return this._page;
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}
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/**
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* @return {!Frame}
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*/
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mainFrame() {
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return this._mainFrame;
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}
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/**
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* @return {!Array<!Frame>}
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*/
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frames() {
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return Array.from(this._frames.values());
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}
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/**
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* @param {!string} frameId
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* @return {?Frame}
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*/
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frame(frameId) {
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return this._frames.get(frameId) || null;
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}
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/**
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* @param {string} frameId
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* @param {?string} parentFrameId
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*/
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_onFrameAttached(frameId, parentFrameId) {
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if (this._frames.has(frameId))
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return;
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assert(parentFrameId);
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const parentFrame = this._frames.get(parentFrameId);
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const frame = new Frame(this, this._client, parentFrame, frameId);
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this._frames.set(frame._id, frame);
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this.emit(Events.FrameManager.FrameAttached, frame);
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}
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/**
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* @param {!Protocol.Page.Frame} framePayload
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*/
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_onFrameNavigated(framePayload) {
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const isMainFrame = !framePayload.parentId;
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let frame = isMainFrame ? this._mainFrame : this._frames.get(framePayload.id);
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assert(isMainFrame || frame, 'We either navigate top level or have old version of the navigated frame');
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// Detach all child frames first.
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if (frame) {
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for (const child of frame.childFrames())
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this._removeFramesRecursively(child);
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}
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// Update or create main frame.
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if (isMainFrame) {
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if (frame) {
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// Update frame id to retain frame identity on cross-process navigation.
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this._frames.delete(frame._id);
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frame._id = framePayload.id;
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} else {
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// Initial main frame navigation.
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frame = new Frame(this, this._client, null, framePayload.id);
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}
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this._frames.set(framePayload.id, frame);
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this._mainFrame = frame;
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}
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// Update frame payload.
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frame._navigated(framePayload);
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this.emit(Events.FrameManager.FrameNavigated, frame);
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}
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async ensureSecondaryDOMWorld() {
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await this._ensureIsolatedWorld(UTILITY_WORLD_NAME);
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}
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/**
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* @param {string} name
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*/
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async _ensureIsolatedWorld(name) {
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if (this._isolatedWorlds.has(name))
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return;
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this._isolatedWorlds.add(name);
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await this._client.send('Page.addScriptToEvaluateOnNewDocument', {
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source: `//# sourceURL=${EVALUATION_SCRIPT_URL}`,
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worldName: name,
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}),
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await Promise.all(this.frames().map(frame => this._client.send('Page.createIsolatedWorld', {
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frameId: frame._id,
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grantUniveralAccess: true,
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worldName: name,
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})));
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}
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/**
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* @param {string} frameId
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* @param {string} url
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*/
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_onFrameNavigatedWithinDocument(frameId, url) {
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const frame = this._frames.get(frameId);
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if (!frame)
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return;
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frame._navigatedWithinDocument(url);
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this.emit(Events.FrameManager.FrameNavigatedWithinDocument, frame);
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this.emit(Events.FrameManager.FrameNavigated, frame);
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}
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/**
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* @param {string} frameId
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*/
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_onFrameDetached(frameId) {
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const frame = this._frames.get(frameId);
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if (frame)
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this._removeFramesRecursively(frame);
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}
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_onExecutionContextCreated(contextPayload) {
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const frameId = contextPayload.auxData ? contextPayload.auxData.frameId : null;
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const frame = this._frames.get(frameId) || null;
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let world = null;
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if (frame) {
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if (contextPayload.auxData && !!contextPayload.auxData['isDefault'])
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world = frame._mainWorld;
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else if (contextPayload.name === UTILITY_WORLD_NAME)
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world = frame._secondaryWorld;
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}
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if (contextPayload.auxData && contextPayload.auxData['type'] === 'isolated')
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this._isolatedWorlds.add(contextPayload.name);
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/** @type {!ExecutionContext} */
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const context = new ExecutionContext(this._client, contextPayload, world);
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if (world)
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world._setContext(context);
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this._contextIdToContext.set(contextPayload.id, context);
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}
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/**
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* @param {number} executionContextId
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*/
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_onExecutionContextDestroyed(executionContextId) {
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const context = this._contextIdToContext.get(executionContextId);
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if (!context)
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return;
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this._contextIdToContext.delete(executionContextId);
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if (context._world)
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context._world._setContext(null);
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}
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_onExecutionContextsCleared() {
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for (const context of this._contextIdToContext.values()) {
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if (context._world)
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context._world._setContext(null);
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}
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this._contextIdToContext.clear();
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}
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/**
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* @param {number} contextId
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* @return {!ExecutionContext}
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*/
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executionContextById(contextId) {
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const context = this._contextIdToContext.get(contextId);
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assert(context, 'INTERNAL ERROR: missing context with id = ' + contextId);
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return context;
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}
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/**
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* @param {!Frame} frame
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*/
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_removeFramesRecursively(frame) {
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for (const child of frame.childFrames())
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this._removeFramesRecursively(child);
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frame._detach();
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this._frames.delete(frame._id);
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this.emit(Events.FrameManager.FrameDetached, frame);
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}
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}
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/**
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* @unrestricted
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*/
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class Frame {
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/**
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* @param {!FrameManager} frameManager
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* @param {!Puppeteer.CDPSession} client
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* @param {?Frame} parentFrame
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* @param {string} frameId
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*/
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constructor(frameManager, client, parentFrame, frameId) {
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this._frameManager = frameManager;
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this._client = client;
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this._parentFrame = parentFrame;
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this._url = '';
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this._id = frameId;
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this._detached = false;
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this._loaderId = '';
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/** @type {!Set<string>} */
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this._lifecycleEvents = new Set();
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this._mainWorld = new DOMWorld(frameManager, this);
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this._secondaryWorld = new DOMWorld(frameManager, this);
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/** @type {!Set<!Frame>} */
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this._childFrames = new Set();
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if (this._parentFrame)
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this._parentFrame._childFrames.add(this);
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}
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/**
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* @param {string} url
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* @param {!{referer?: string, timeout?: number, waitUntil?: string|!Array<string>}=} options
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* @return {!Promise<?Puppeteer.Response>}
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*/
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async goto(url, options) {
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return await this._frameManager.navigateFrame(this, url, options);
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}
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/**
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* @param {!{timeout?: number, waitUntil?: string|!Array<string>}=} options
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* @return {!Promise<?Puppeteer.Response>}
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*/
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async waitForNavigation(options) {
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return await this._frameManager.waitForFrameNavigation(this, options);
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}
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/**
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* @return {!Promise<!ExecutionContext>}
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*/
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executionContext() {
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return this._mainWorld.executionContext();
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}
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/**
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* @param {Function|string} pageFunction
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* @param {!Array<*>} args
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* @return {!Promise<!Puppeteer.JSHandle>}
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*/
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async evaluateHandle(pageFunction, ...args) {
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return this._mainWorld.evaluateHandle(pageFunction, ...args);
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}
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/**
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* @param {Function|string} pageFunction
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* @param {!Array<*>} args
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* @return {!Promise<*>}
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*/
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async evaluate(pageFunction, ...args) {
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return this._mainWorld.evaluate(pageFunction, ...args);
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}
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/**
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* @param {string} selector
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* @return {!Promise<?Puppeteer.ElementHandle>}
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*/
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async $(selector) {
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return this._mainWorld.$(selector);
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}
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/**
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* @param {string} expression
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* @return {!Promise<!Array<!Puppeteer.ElementHandle>>}
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*/
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async $x(expression) {
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return this._mainWorld.$x(expression);
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}
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/**
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* @param {string} selector
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* @param {Function|string} pageFunction
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* @param {!Array<*>} args
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* @return {!Promise<(!Object|undefined)>}
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*/
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async $eval(selector, pageFunction, ...args) {
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return this._mainWorld.$eval(selector, pageFunction, ...args);
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}
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/**
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* @param {string} selector
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* @param {Function|string} pageFunction
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* @param {!Array<*>} args
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* @return {!Promise<(!Object|undefined)>}
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*/
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async $$eval(selector, pageFunction, ...args) {
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return this._mainWorld.$$eval(selector, pageFunction, ...args);
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}
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/**
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* @param {string} selector
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* @return {!Promise<!Array<!Puppeteer.ElementHandle>>}
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*/
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async $$(selector) {
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return this._mainWorld.$$(selector);
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}
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/**
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* @return {!Promise<String>}
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*/
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async content() {
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return this._secondaryWorld.content();
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}
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/**
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* @param {string} html
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* @param {!{timeout?: number, waitUntil?: string|!Array<string>}=} options
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*/
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async setContent(html, options = {}) {
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return this._secondaryWorld.setContent(html, options);
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}
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/**
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* @return {string}
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*/
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name() {
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return this._name || '';
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}
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/**
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* @return {string}
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*/
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url() {
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return this._url;
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}
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/**
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* @return {?Frame}
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*/
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parentFrame() {
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return this._parentFrame;
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}
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/**
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* @return {!Array.<!Frame>}
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*/
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childFrames() {
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return Array.from(this._childFrames);
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}
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/**
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* @return {boolean}
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*/
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isDetached() {
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return this._detached;
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}
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/**
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* @param {!{url?: string, path?: string, content?: string, type?: string}} options
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* @return {!Promise<!Puppeteer.ElementHandle>}
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*/
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async addScriptTag(options) {
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return this._mainWorld.addScriptTag(options);
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}
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/**
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* @param {!{url?: string, path?: string, content?: string}} options
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* @return {!Promise<!Puppeteer.ElementHandle>}
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*/
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async addStyleTag(options) {
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return this._mainWorld.addStyleTag(options);
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}
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/**
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* @param {string} selector
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* @param {!{delay?: number, button?: "left"|"right"|"middle", clickCount?: number}=} options
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*/
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async click(selector, options) {
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return this._secondaryWorld.click(selector, options);
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}
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/**
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* @param {string} selector
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*/
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async focus(selector) {
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return this._secondaryWorld.focus(selector);
|
|
}
|
|
|
|
/**
|
|
* @param {string} selector
|
|
*/
|
|
async hover(selector) {
|
|
return this._secondaryWorld.hover(selector);
|
|
}
|
|
|
|
/**
|
|
* @param {string} selector
|
|
* @param {!Array<string>} values
|
|
* @return {!Promise<!Array<string>>}
|
|
*/
|
|
select(selector, ...values){
|
|
return this._secondaryWorld.select(selector, ...values);
|
|
}
|
|
|
|
/**
|
|
* @param {string} selector
|
|
*/
|
|
async tap(selector) {
|
|
return this._secondaryWorld.tap(selector);
|
|
}
|
|
|
|
/**
|
|
* @param {string} selector
|
|
* @param {string} text
|
|
* @param {{delay: (number|undefined)}=} options
|
|
*/
|
|
async type(selector, text, options) {
|
|
return this._mainWorld.type(selector, text, options);
|
|
}
|
|
|
|
/**
|
|
* @param {(string|number|Function)} selectorOrFunctionOrTimeout
|
|
* @param {!Object=} options
|
|
* @param {!Array<*>} args
|
|
* @return {!Promise<!Puppeteer.JSHandle>}
|
|
*/
|
|
waitFor(selectorOrFunctionOrTimeout, options = {}, ...args) {
|
|
const xPathPattern = '//';
|
|
|
|
if (helper.isString(selectorOrFunctionOrTimeout)) {
|
|
const string = /** @type {string} */ (selectorOrFunctionOrTimeout);
|
|
if (string.startsWith(xPathPattern))
|
|
return this.waitForXPath(string, options);
|
|
return this.waitForSelector(string, options);
|
|
}
|
|
if (helper.isNumber(selectorOrFunctionOrTimeout))
|
|
return new Promise(fulfill => setTimeout(fulfill, /** @type {number} */ (selectorOrFunctionOrTimeout)));
|
|
if (typeof selectorOrFunctionOrTimeout === 'function')
|
|
return this.waitForFunction(selectorOrFunctionOrTimeout, options, ...args);
|
|
return Promise.reject(new Error('Unsupported target type: ' + (typeof selectorOrFunctionOrTimeout)));
|
|
}
|
|
|
|
/**
|
|
* @param {string} selector
|
|
* @param {!{visible?: boolean, hidden?: boolean, timeout?: number}=} options
|
|
* @return {!Promise<!Puppeteer.ElementHandle>}
|
|
*/
|
|
waitForSelector(selector, options) {
|
|
return this._mainWorld.waitForSelector(selector, options);
|
|
}
|
|
|
|
/**
|
|
* @param {string} xpath
|
|
* @param {!{visible?: boolean, hidden?: boolean, timeout?: number}=} options
|
|
* @return {!Promise<!Puppeteer.ElementHandle>}
|
|
*/
|
|
waitForXPath(xpath, options) {
|
|
return this._mainWorld.waitForXPath(xpath, options);
|
|
}
|
|
|
|
/**
|
|
* @param {Function|string} pageFunction
|
|
* @param {!{polling?: string|number, timeout?: number}=} options
|
|
* @return {!Promise<!Puppeteer.JSHandle>}
|
|
*/
|
|
waitForFunction(pageFunction, options = {}, ...args) {
|
|
return this._mainWorld.waitForFunction(pageFunction, options, ...args);
|
|
}
|
|
|
|
/**
|
|
* @return {!Promise<string>}
|
|
*/
|
|
async title() {
|
|
return this._secondaryWorld.title();
|
|
}
|
|
|
|
/**
|
|
* @param {!Protocol.Page.Frame} framePayload
|
|
*/
|
|
_navigated(framePayload) {
|
|
this._name = framePayload.name;
|
|
// TODO(lushnikov): remove this once requestInterception has loaderId exposed.
|
|
this._navigationURL = framePayload.url;
|
|
this._url = framePayload.url;
|
|
}
|
|
|
|
/**
|
|
* @param {string} url
|
|
*/
|
|
_navigatedWithinDocument(url) {
|
|
this._url = url;
|
|
}
|
|
|
|
/**
|
|
* @param {string} loaderId
|
|
* @param {string} name
|
|
*/
|
|
_onLifecycleEvent(loaderId, name) {
|
|
if (name === 'init') {
|
|
this._loaderId = loaderId;
|
|
this._lifecycleEvents.clear();
|
|
}
|
|
this._lifecycleEvents.add(name);
|
|
}
|
|
|
|
_onLoadingStopped() {
|
|
this._lifecycleEvents.add('DOMContentLoaded');
|
|
this._lifecycleEvents.add('load');
|
|
}
|
|
|
|
_detach() {
|
|
this._detached = true;
|
|
this._mainWorld._detach();
|
|
this._secondaryWorld._detach();
|
|
if (this._parentFrame)
|
|
this._parentFrame._childFrames.delete(this);
|
|
this._parentFrame = null;
|
|
}
|
|
}
|
|
helper.tracePublicAPI(Frame);
|
|
|
|
function assertNoLegacyNavigationOptions(options) {
|
|
assert(options['networkIdleTimeout'] === undefined, 'ERROR: networkIdleTimeout option is no longer supported.');
|
|
assert(options['networkIdleInflight'] === undefined, 'ERROR: networkIdleInflight option is no longer supported.');
|
|
assert(options.waitUntil !== 'networkidle', 'ERROR: "networkidle" option is no longer supported. Use "networkidle2" instead');
|
|
}
|
|
|
|
module.exports = {FrameManager, Frame};
|