puppeteer/packages/puppeteer-core/src/common/Frame.ts
2023-05-31 23:36:19 +02:00

591 lines
16 KiB
TypeScript

/**
* Copyright 2017 Google Inc. All rights reserved.
*
* 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 {Protocol} from 'devtools-protocol';
import {type ClickOptions, ElementHandle} from '../api/ElementHandle.js';
import {
Frame as BaseFrame,
FrameAddScriptTagOptions,
FrameAddStyleTagOptions,
FrameWaitForFunctionOptions,
} from '../api/Frame.js';
import {HTTPResponse} from '../api/HTTPResponse.js';
import {Page, WaitTimeoutOptions} from '../api/Page.js';
import {assert} from '../util/assert.js';
import {Deferred} from '../util/Deferred.js';
import {isErrorLike} from '../util/ErrorLike.js';
import {CDPSession} from './Connection.js';
import {
DeviceRequestPrompt,
DeviceRequestPromptManager,
} from './DeviceRequestPrompt.js';
import {ExecutionContext} from './ExecutionContext.js';
import {FrameManager} from './FrameManager.js';
import {getQueryHandlerAndSelector} from './GetQueryHandler.js';
import {
IsolatedWorld,
IsolatedWorldChart,
WaitForSelectorOptions,
} from './IsolatedWorld.js';
import {MAIN_WORLD, PUPPETEER_WORLD} from './IsolatedWorlds.js';
import {LazyArg} from './LazyArg.js';
import {LifecycleWatcher, PuppeteerLifeCycleEvent} from './LifecycleWatcher.js';
import {EvaluateFunc, EvaluateFuncWith, HandleFor, NodeFor} from './types.js';
import {importFSPromises, withSourcePuppeteerURLIfNone} from './util.js';
/**
* @internal
*/
export class Frame extends BaseFrame {
#url = '';
#detached = false;
#client!: CDPSession;
override worlds!: IsolatedWorldChart;
_frameManager: FrameManager;
override _id: string;
_loaderId = '';
override _name?: string;
override _hasStartedLoading = false;
_lifecycleEvents = new Set<string>();
override _parentId?: string;
constructor(
frameManager: FrameManager,
frameId: string,
parentFrameId: string | undefined,
client: CDPSession
) {
super();
this._frameManager = frameManager;
this.#url = '';
this._id = frameId;
this._parentId = parentFrameId;
this.#detached = false;
this._loaderId = '';
this.updateClient(client);
}
updateClient(client: CDPSession): void {
this.#client = client;
this.worlds = {
[MAIN_WORLD]: new IsolatedWorld(this),
[PUPPETEER_WORLD]: new IsolatedWorld(this),
};
}
override page(): Page {
return this._frameManager.page();
}
override isOOPFrame(): boolean {
return this.#client !== this._frameManager.client;
}
override async goto(
url: string,
options: {
referer?: string;
referrerPolicy?: string;
timeout?: number;
waitUntil?: PuppeteerLifeCycleEvent | PuppeteerLifeCycleEvent[];
} = {}
): Promise<HTTPResponse | null> {
const {
referer = this._frameManager.networkManager.extraHTTPHeaders()['referer'],
referrerPolicy = this._frameManager.networkManager.extraHTTPHeaders()[
'referer-policy'
],
waitUntil = ['load'],
timeout = this._frameManager.timeoutSettings.navigationTimeout(),
} = options;
let ensureNewDocumentNavigation = false;
const watcher = new LifecycleWatcher(
this._frameManager,
this,
waitUntil,
timeout
);
let error = await Deferred.race([
navigate(
this.#client,
url,
referer,
referrerPolicy as Protocol.Page.ReferrerPolicy,
this._id
),
watcher.timeoutOrTerminationPromise(),
]);
if (!error) {
error = await Deferred.race([
watcher.timeoutOrTerminationPromise(),
ensureNewDocumentNavigation
? watcher.newDocumentNavigationPromise()
: watcher.sameDocumentNavigationPromise(),
]);
}
try {
if (error) {
throw error;
}
return await watcher.navigationResponse();
} finally {
watcher.dispose();
}
async function navigate(
client: CDPSession,
url: string,
referrer: string | undefined,
referrerPolicy: Protocol.Page.ReferrerPolicy | undefined,
frameId: string
): Promise<Error | null> {
try {
const response = await client.send('Page.navigate', {
url,
referrer,
frameId,
referrerPolicy,
});
ensureNewDocumentNavigation = !!response.loaderId;
if (response.errorText === 'net::ERR_HTTP_RESPONSE_CODE_FAILURE') {
return null;
}
return response.errorText
? new Error(`${response.errorText} at ${url}`)
: null;
} catch (error) {
if (isErrorLike(error)) {
return error;
}
throw error;
}
}
}
override async waitForNavigation(
options: {
timeout?: number;
waitUntil?: PuppeteerLifeCycleEvent | PuppeteerLifeCycleEvent[];
} = {}
): Promise<HTTPResponse | null> {
const {
waitUntil = ['load'],
timeout = this._frameManager.timeoutSettings.navigationTimeout(),
} = options;
const watcher = new LifecycleWatcher(
this._frameManager,
this,
waitUntil,
timeout
);
const error = await Deferred.race([
watcher.timeoutOrTerminationPromise(),
watcher.sameDocumentNavigationPromise(),
watcher.newDocumentNavigationPromise(),
]);
try {
if (error) {
throw error;
}
return await watcher.navigationResponse();
} finally {
watcher.dispose();
}
}
override _client(): CDPSession {
return this.#client;
}
override executionContext(): Promise<ExecutionContext> {
return this.worlds[MAIN_WORLD].executionContext();
}
override async evaluateHandle<
Params extends unknown[],
Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
>(
pageFunction: Func | string,
...args: Params
): Promise<HandleFor<Awaited<ReturnType<Func>>>> {
pageFunction = withSourcePuppeteerURLIfNone(
this.evaluateHandle.name,
pageFunction
);
return this.worlds[MAIN_WORLD].evaluateHandle(pageFunction, ...args);
}
override async evaluate<
Params extends unknown[],
Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
>(
pageFunction: Func | string,
...args: Params
): Promise<Awaited<ReturnType<Func>>> {
pageFunction = withSourcePuppeteerURLIfNone(
this.evaluate.name,
pageFunction
);
return this.worlds[MAIN_WORLD].evaluate(pageFunction, ...args);
}
override async $<Selector extends string>(
selector: Selector
): Promise<ElementHandle<NodeFor<Selector>> | null> {
return this.worlds[MAIN_WORLD].$(selector);
}
override async $$<Selector extends string>(
selector: Selector
): Promise<Array<ElementHandle<NodeFor<Selector>>>> {
return this.worlds[MAIN_WORLD].$$(selector);
}
override async $eval<
Selector extends string,
Params extends unknown[],
Func extends EvaluateFuncWith<NodeFor<Selector>, Params> = EvaluateFuncWith<
NodeFor<Selector>,
Params
>
>(
selector: Selector,
pageFunction: Func | string,
...args: Params
): Promise<Awaited<ReturnType<Func>>> {
pageFunction = withSourcePuppeteerURLIfNone(this.$eval.name, pageFunction);
return this.worlds[MAIN_WORLD].$eval(selector, pageFunction, ...args);
}
override async $$eval<
Selector extends string,
Params extends unknown[],
Func extends EvaluateFuncWith<
Array<NodeFor<Selector>>,
Params
> = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>
>(
selector: Selector,
pageFunction: Func | string,
...args: Params
): Promise<Awaited<ReturnType<Func>>> {
pageFunction = withSourcePuppeteerURLIfNone(this.$$eval.name, pageFunction);
return this.worlds[MAIN_WORLD].$$eval(selector, pageFunction, ...args);
}
override async $x(expression: string): Promise<Array<ElementHandle<Node>>> {
return this.worlds[MAIN_WORLD].$x(expression);
}
override async waitForSelector<Selector extends string>(
selector: Selector,
options: WaitForSelectorOptions = {}
): Promise<ElementHandle<NodeFor<Selector>> | null> {
const {updatedSelector, QueryHandler} =
getQueryHandlerAndSelector(selector);
return (await QueryHandler.waitFor(
this,
updatedSelector,
options
)) as ElementHandle<NodeFor<Selector>> | null;
}
override async waitForXPath(
xpath: string,
options: WaitForSelectorOptions = {}
): Promise<ElementHandle<Node> | null> {
if (xpath.startsWith('//')) {
xpath = `.${xpath}`;
}
return this.waitForSelector(`xpath/${xpath}`, options);
}
override waitForFunction<
Params extends unknown[],
Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
>(
pageFunction: Func | string,
options: FrameWaitForFunctionOptions = {},
...args: Params
): Promise<HandleFor<Awaited<ReturnType<Func>>>> {
return this.worlds[MAIN_WORLD].waitForFunction(
pageFunction,
options,
...args
) as Promise<HandleFor<Awaited<ReturnType<Func>>>>;
}
override async content(): Promise<string> {
return this.worlds[PUPPETEER_WORLD].content();
}
override async setContent(
html: string,
options: {
timeout?: number;
waitUntil?: PuppeteerLifeCycleEvent | PuppeteerLifeCycleEvent[];
} = {}
): Promise<void> {
return this.worlds[PUPPETEER_WORLD].setContent(html, options);
}
override name(): string {
return this._name || '';
}
override url(): string {
return this.#url;
}
override parentFrame(): Frame | null {
return this._frameManager._frameTree.parentFrame(this._id) || null;
}
override childFrames(): Frame[] {
return this._frameManager._frameTree.childFrames(this._id);
}
override isDetached(): boolean {
return this.#detached;
}
override async addScriptTag(
options: FrameAddScriptTagOptions
): Promise<ElementHandle<HTMLScriptElement>> {
let {content = '', type} = options;
const {path} = options;
if (+!!options.url + +!!path + +!!content !== 1) {
throw new Error(
'Exactly one of `url`, `path`, or `content` must be specified.'
);
}
if (path) {
const fs = await importFSPromises();
content = await fs.readFile(path, 'utf8');
content += `//# sourceURL=${path.replace(/\n/g, '')}`;
}
type = type ?? 'text/javascript';
return this.worlds[MAIN_WORLD].transferHandle(
await this.worlds[PUPPETEER_WORLD].evaluateHandle(
async ({Deferred}, {url, id, type, content}) => {
const deferred = Deferred.create<void>();
const script = document.createElement('script');
script.type = type;
script.text = content;
if (url) {
script.src = url;
script.addEventListener(
'load',
() => {
return deferred.resolve();
},
{once: true}
);
script.addEventListener(
'error',
event => {
deferred.reject(
new Error(event.message ?? 'Could not load script')
);
},
{once: true}
);
} else {
deferred.resolve();
}
if (id) {
script.id = id;
}
document.head.appendChild(script);
await deferred.valueOrThrow();
return script;
},
LazyArg.create(context => {
return context.puppeteerUtil;
}),
{...options, type, content}
)
);
}
override async addStyleTag(
options: Omit<FrameAddStyleTagOptions, 'url'>
): Promise<ElementHandle<HTMLStyleElement>>;
override async addStyleTag(
options: FrameAddStyleTagOptions
): Promise<ElementHandle<HTMLLinkElement>>;
override async addStyleTag(
options: FrameAddStyleTagOptions
): Promise<ElementHandle<HTMLStyleElement | HTMLLinkElement>> {
let {content = ''} = options;
const {path} = options;
if (+!!options.url + +!!path + +!!content !== 1) {
throw new Error(
'Exactly one of `url`, `path`, or `content` must be specified.'
);
}
if (path) {
const fs = await importFSPromises();
content = await fs.readFile(path, 'utf8');
content += '/*# sourceURL=' + path.replace(/\n/g, '') + '*/';
options.content = content;
}
return this.worlds[MAIN_WORLD].transferHandle(
await this.worlds[PUPPETEER_WORLD].evaluateHandle(
async ({Deferred}, {url, content}) => {
const deferred = Deferred.create<void>();
let element: HTMLStyleElement | HTMLLinkElement;
if (!url) {
element = document.createElement('style');
element.appendChild(document.createTextNode(content!));
} else {
const link = document.createElement('link');
link.rel = 'stylesheet';
link.href = url;
element = link;
}
element.addEventListener(
'load',
() => {
deferred.resolve();
},
{once: true}
);
element.addEventListener(
'error',
event => {
deferred.reject(
new Error(
(event as ErrorEvent).message ?? 'Could not load style'
)
);
},
{once: true}
);
document.head.appendChild(element);
await deferred.valueOrThrow();
return element;
},
LazyArg.create(context => {
return context.puppeteerUtil;
}),
options
)
);
}
override async click(
selector: string,
options: Readonly<ClickOptions> = {}
): Promise<void> {
return this.worlds[PUPPETEER_WORLD].click(selector, options);
}
override async focus(selector: string): Promise<void> {
return this.worlds[PUPPETEER_WORLD].focus(selector);
}
override async hover(selector: string): Promise<void> {
return this.worlds[PUPPETEER_WORLD].hover(selector);
}
override select(selector: string, ...values: string[]): Promise<string[]> {
return this.worlds[PUPPETEER_WORLD].select(selector, ...values);
}
override async tap(selector: string): Promise<void> {
return this.worlds[PUPPETEER_WORLD].tap(selector);
}
override async type(
selector: string,
text: string,
options?: {delay: number}
): Promise<void> {
return this.worlds[PUPPETEER_WORLD].type(selector, text, options);
}
override waitForTimeout(milliseconds: number): Promise<void> {
return new Promise(resolve => {
setTimeout(resolve, milliseconds);
});
}
override async title(): Promise<string> {
return this.worlds[PUPPETEER_WORLD].title();
}
_deviceRequestPromptManager(): DeviceRequestPromptManager {
if (this.isOOPFrame()) {
return this._frameManager._deviceRequestPromptManager(this.#client);
}
const parentFrame = this.parentFrame();
assert(parentFrame !== null);
return parentFrame._deviceRequestPromptManager();
}
override waitForDevicePrompt(
options: WaitTimeoutOptions = {}
): Promise<DeviceRequestPrompt> {
return this._deviceRequestPromptManager().waitForDevicePrompt(options);
}
_navigated(framePayload: Protocol.Page.Frame): void {
this._name = framePayload.name;
this.#url = `${framePayload.url}${framePayload.urlFragment || ''}`;
}
_navigatedWithinDocument(url: string): void {
this.#url = url;
}
_onLifecycleEvent(loaderId: string, name: string): void {
if (name === 'init') {
this._loaderId = loaderId;
this._lifecycleEvents.clear();
}
this._lifecycleEvents.add(name);
}
_onLoadingStopped(): void {
this._lifecycleEvents.add('DOMContentLoaded');
this._lifecycleEvents.add('load');
}
_onLoadingStarted(): void {
this._hasStartedLoading = true;
}
_detach(): void {
this.#detached = true;
this.worlds[MAIN_WORLD]._detach();
this.worlds[PUPPETEER_WORLD]._detach();
}
}