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/**
* @license
* Copyright 2017 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
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Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __runInitializers = (this && this.__runInitializers) || function (thisArg, initializers, value) {
var useValue = arguments.length > 2;
for (var i = 0; i < initializers.length; i++) {
value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg);
}
return useValue ? value : void 0;
};
var __esDecorate = (this && this.__esDecorate) || function (ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) {
function accept(f) { if (f !== void 0 && typeof f !== "function") throw new TypeError("Function expected"); return f; }
var kind = contextIn.kind, key = kind === "getter" ? "get" : kind === "setter" ? "set" : "value";
var target = !descriptorIn && ctor ? contextIn["static"] ? ctor : ctor.prototype : null;
var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {});
var _, done = false;
for (var i = decorators.length - 1; i >= 0; i--) {
var context = {};
for (var p in contextIn) context[p] = p === "access" ? {} : contextIn[p];
for (var p in contextIn.access) context.access[p] = contextIn.access[p];
context.addInitializer = function (f) { if (done) throw new TypeError("Cannot add initializers after decoration has completed"); extraInitializers.push(accept(f || null)); };
var result = (0, decorators[i])(kind === "accessor" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context);
if (kind === "accessor") {
if (result === void 0) continue;
if (result === null || typeof result !== "object") throw new TypeError("Object expected");
if (_ = accept(result.get)) descriptor.get = _;
if (_ = accept(result.set)) descriptor.set = _;
if (_ = accept(result.init)) initializers.unshift(_);
}
else if (_ = accept(result)) {
if (kind === "field") initializers.unshift(_);
else descriptor[key] = _;
}
}
if (target) Object.defineProperty(target, contextIn.name, descriptor);
done = true;
};
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
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__setModuleDefault(result, mod);
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};
var __addDisposableResource = (this && this.__addDisposableResource) || function (env, value, async) {
if (value !== null && value !== void 0) {
if (typeof value !== "object" && typeof value !== "function") throw new TypeError("Object expected.");
var dispose;
if (async) {
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dispose = value[Symbol.asyncDispose];
}
if (dispose === void 0) {
if (!Symbol.dispose) throw new TypeError("Symbol.dispose is not defined.");
dispose = value[Symbol.dispose];
}
if (typeof dispose !== "function") throw new TypeError("Object not disposable.");
env.stack.push({ value: value, dispose: dispose, async: async });
}
else if (async) {
env.stack.push({ async: true });
}
return value;
};
var __disposeResources = (this && this.__disposeResources) || (function (SuppressedError) {
return function (env) {
function fail(e) {
env.error = env.hasError ? new SuppressedError(e, env.error, "An error was suppressed during disposal.") : e;
env.hasError = true;
}
function next() {
while (env.stack.length) {
var rec = env.stack.pop();
try {
var result = rec.dispose && rec.dispose.call(rec.value);
if (rec.async) return Promise.resolve(result).then(next, function(e) { fail(e); return next(); });
}
catch (e) {
fail(e);
}
}
if (env.hasError) throw env.error;
}
return next();
};
})(typeof SuppressedError === "function" ? SuppressedError : function (error, suppressed, message) {
var e = new Error(message);
return e.name = "SuppressedError", e.error = error, e.suppressed = suppressed, e;
});
Object.defineProperty(exports, "__esModule", { value: true });
exports.supportedMetrics = exports.Page = exports.setDefaultScreenshotOptions = void 0;
const rxjs_js_1 = require("../../third_party/rxjs/rxjs.js");
const Errors_js_1 = require("../common/Errors.js");
const EventEmitter_js_1 = require("../common/EventEmitter.js");
const TimeoutSettings_js_1 = require("../common/TimeoutSettings.js");
const util_js_1 = require("../common/util.js");
const decorators_js_1 = require("../util/decorators.js");
const disposable_js_1 = require("../util/disposable.js");
const locators_js_1 = require("./locators/locators.js");
/**
* @internal
*/
function setDefaultScreenshotOptions(options) {
options.optimizeForSpeed ??= false;
options.type ??= 'png';
options.fromSurface ??= true;
options.fullPage ??= false;
options.omitBackground ??= false;
options.encoding ??= 'binary';
options.captureBeyondViewport ??= true;
}
exports.setDefaultScreenshotOptions = setDefaultScreenshotOptions;
/**
* Page provides methods to interact with a single tab or
* {@link https://developer.chrome.com/extensions/background_pages | extension background page}
* in the browser.
*
* :::note
*
* One Browser instance might have multiple Page instances.
*
* :::
*
* @example
* This example creates a page, navigates it to a URL, and then saves a screenshot:
*
* ```ts
* import puppeteer from 'puppeteer';
*
* (async () => {
* const browser = await puppeteer.launch();
* const page = await browser.newPage();
* await page.goto('https://example.com');
* await page.screenshot({path: 'screenshot.png'});
* await browser.close();
* })();
* ```
*
* The Page class extends from Puppeteer's {@link EventEmitter} class and will
* emit various events which are documented in the {@link PageEvent} enum.
*
* @example
* This example logs a message for a single page `load` event:
*
* ```ts
* page.once('load', () => console.log('Page loaded!'));
* ```
*
* To unsubscribe from events use the {@link EventEmitter.off} method:
*
* ```ts
* function logRequest(interceptedRequest) {
* console.log('A request was made:', interceptedRequest.url());
* }
* page.on('request', logRequest);
* // Sometime later...
* page.off('request', logRequest);
* ```
*
* @public
*/
let Page = (() => {
let _classSuper = EventEmitter_js_1.EventEmitter;
let _instanceExtraInitializers = [];
let _screenshot_decorators;
return class Page extends _classSuper {
static {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(_classSuper[Symbol.metadata] ?? null) : void 0;
__esDecorate(this, null, _screenshot_decorators, { kind: "method", name: "screenshot", static: false, private: false, access: { has: obj => "screenshot" in obj, get: obj => obj.screenshot }, metadata: _metadata }, null, _instanceExtraInitializers);
if (_metadata) Object.defineProperty(this, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
}
/**
* @internal
*/
_isDragging = (__runInitializers(this, _instanceExtraInitializers), false);
/**
* @internal
*/
_timeoutSettings = new TimeoutSettings_js_1.TimeoutSettings();
#requestHandlers = new WeakMap();
#inflight$ = new rxjs_js_1.ReplaySubject(1);
/**
* @internal
*/
constructor() {
super();
(0, util_js_1.fromEmitterEvent)(this, "request" /* PageEvent.Request */)
.pipe((0, rxjs_js_1.mergeMap)(originalRequest => {
return (0, rxjs_js_1.concat)((0, rxjs_js_1.of)(1), (0, rxjs_js_1.merge)((0, util_js_1.fromEmitterEvent)(this, "requestfailed" /* PageEvent.RequestFailed */), (0, util_js_1.fromEmitterEvent)(this, "requestfinished" /* PageEvent.RequestFinished */), (0, util_js_1.fromEmitterEvent)(this, "response" /* PageEvent.Response */).pipe((0, rxjs_js_1.map)(response => {
return response.request();
}))).pipe((0, rxjs_js_1.filter)(request => {
return request.id === originalRequest.id;
}), (0, rxjs_js_1.take)(1), (0, rxjs_js_1.map)(() => {
return -1;
})));
}), (0, rxjs_js_1.mergeScan)((acc, addend) => {
return (0, rxjs_js_1.of)(acc + addend);
}, 0), (0, rxjs_js_1.takeUntil)((0, util_js_1.fromEmitterEvent)(this, "close" /* PageEvent.Close */)), (0, rxjs_js_1.startWith)(0))
.subscribe(this.#inflight$);
}
/**
* Listen to page events.
*
* @remarks
* This method exists to define event typings and handle proper wireup of
* cooperative request interception. Actual event listening and dispatching is
* delegated to {@link EventEmitter}.
*
* @internal
*/
on(type, handler) {
if (type !== "request" /* PageEvent.Request */) {
return super.on(type, handler);
}
let wrapper = this.#requestHandlers.get(handler);
if (wrapper === undefined) {
wrapper = (event) => {
event.enqueueInterceptAction(() => {
return handler(event);
});
};
this.#requestHandlers.set(handler, wrapper);
}
return super.on(type, wrapper);
}
/**
* @internal
*/
off(type, handler) {
if (type === "request" /* PageEvent.Request */) {
handler =
this.#requestHandlers.get(handler) || handler;
}
return super.off(type, handler);
}
/**
* {@inheritDoc Accessibility}
*/
get accessibility() {
return this.mainFrame().accessibility;
}
locator(selectorOrFunc) {
if (typeof selectorOrFunc === 'string') {
return locators_js_1.NodeLocator.create(this, selectorOrFunc);
}
else {
return locators_js_1.FunctionLocator.create(this, selectorOrFunc);
}
}
/**
* A shortcut for {@link Locator.race} that does not require static imports.
*
* @internal
*/
locatorRace(locators) {
return locators_js_1.Locator.race(locators);
}
/**
* Finds the first element that matches the selector. If no element matches
* the selector, the return value resolves to `null`.
*
* @param selector -
* {@link https://pptr.dev/guides/page-interactions#selectors | selector}
* to query page for.
* {@link https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Selectors | CSS selectors}
* can be passed as-is and a
* {@link https://pptr.dev/guides/page-interactions#non-css-selectors | Puppeteer-specific selector syntax}
* allows quering by
* {@link https://pptr.dev/guides/page-interactions#text-selectors--p-text | text},
* {@link https://pptr.dev/guides/page-interactions#aria-selectors--p-aria | a11y role and name},
* and
* {@link https://pptr.dev/guides/page-interactions#xpath-selectors--p-xpath | xpath}
* and
* {@link https://pptr.dev/guides/page-interactions#querying-elements-in-shadow-dom | combining these queries across shadow roots}.
* Alternatively, you can specify the selector type using a
* {@link https://pptr.dev/guides/page-interactions#prefixed-selector-syntax | prefix}.
*
* @remarks
*
* Shortcut for {@link Frame.$ | Page.mainFrame().$(selector) }.
*/
async $(selector) {
return await this.mainFrame().$(selector);
}
/**
* Finds elements on the page that match the selector. If no elements
* match the selector, the return value resolves to `[]`.
*
* @param selector -
* {@link https://pptr.dev/guides/page-interactions#selectors | selector}
* to query page for.
* {@link https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Selectors | CSS selectors}
* can be passed as-is and a
* {@link https://pptr.dev/guides/page-interactions#non-css-selectors | Puppeteer-specific selector syntax}
* allows quering by
* {@link https://pptr.dev/guides/page-interactions#text-selectors--p-text | text},
* {@link https://pptr.dev/guides/page-interactions#aria-selectors--p-aria | a11y role and name},
* and
* {@link https://pptr.dev/guides/page-interactions#xpath-selectors--p-xpath | xpath}
* and
* {@link https://pptr.dev/guides/page-interactions#querying-elements-in-shadow-dom | combining these queries across shadow roots}.
* Alternatively, you can specify the selector type using a
* {@link https://pptr.dev/guides/page-interactions#prefixed-selector-syntax | prefix}.
*
* @remarks
*
* Shortcut for {@link Frame.$$ | Page.mainFrame().$$(selector) }.
*/
async $$(selector, options) {
return await this.mainFrame().$$(selector, options);
}
/**
* @remarks
*
* The only difference between {@link Page.evaluate | page.evaluate} and
* `page.evaluateHandle` is that `evaluateHandle` will return the value
* wrapped in an in-page object.
*
* If the function passed to `page.evaluateHandle` returns a Promise, the
* function will wait for the promise to resolve and return its value.
*
* You can pass a string instead of a function (although functions are
* recommended as they are easier to debug and use with TypeScript):
*
* @example
*
* ```ts
* const aHandle = await page.evaluateHandle('document');
* ```
*
* @example
* {@link JSHandle} instances can be passed as arguments to the `pageFunction`:
*
* ```ts
* const aHandle = await page.evaluateHandle(() => document.body);
* const resultHandle = await page.evaluateHandle(
* body => body.innerHTML,
* aHandle
* );
* console.log(await resultHandle.jsonValue());
* await resultHandle.dispose();
* ```
*
* Most of the time this function returns a {@link JSHandle},
* but if `pageFunction` returns a reference to an element,
* you instead get an {@link ElementHandle} back:
*
* @example
*
* ```ts
* const button = await page.evaluateHandle(() =>
* document.querySelector('button')
* );
* // can call `click` because `button` is an `ElementHandle`
* await button.click();
* ```
*
* The TypeScript definitions assume that `evaluateHandle` returns
* a `JSHandle`, but if you know it's going to return an
* `ElementHandle`, pass it as the generic argument:
*
* ```ts
* const button = await page.evaluateHandle<ElementHandle>(...);
* ```
*
* @param pageFunction - a function that is run within the page
* @param args - arguments to be passed to the pageFunction
*/
async evaluateHandle(pageFunction, ...args) {
pageFunction = (0, util_js_1.withSourcePuppeteerURLIfNone)(this.evaluateHandle.name, pageFunction);
return await this.mainFrame().evaluateHandle(pageFunction, ...args);
}
/**
* This method finds the first element within the page that matches the selector
* and passes the result as the first argument to the `pageFunction`.
*
* @remarks
*
* If no element is found matching `selector`, the method will throw an error.
*
* If `pageFunction` returns a promise `$eval` will wait for the promise to
* resolve and then return its value.
*
* @example
*
* ```ts
* const searchValue = await page.$eval('#search', el => el.value);
* const preloadHref = await page.$eval('link[rel=preload]', el => el.href);
* const html = await page.$eval('.main-container', el => el.outerHTML);
* ```
*
* If you are using TypeScript, you may have to provide an explicit type to the
* first argument of the `pageFunction`.
* By default it is typed as `Element`, but you may need to provide a more
* specific sub-type:
*
* @example
*
* ```ts
* // if you don't provide HTMLInputElement here, TS will error
* // as `value` is not on `Element`
* const searchValue = await page.$eval(
* '#search',
* (el: HTMLInputElement) => el.value
* );
* ```
*
* The compiler should be able to infer the return type
* from the `pageFunction` you provide. If it is unable to, you can use the generic
* type to tell the compiler what return type you expect from `$eval`:
*
* @example
*
* ```ts
* // The compiler can infer the return type in this case, but if it can't
* // or if you want to be more explicit, provide it as the generic type.
* const searchValue = await page.$eval<string>(
* '#search',
* (el: HTMLInputElement) => el.value
* );
* ```
*
* @param selector -
* {@link https://pptr.dev/guides/page-interactions#selectors | selector}
* to query page for.
* {@link https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Selectors | CSS selectors}
* can be passed as-is and a
* {@link https://pptr.dev/guides/page-interactions#non-css-selectors | Puppeteer-specific selector syntax}
* allows quering by
* {@link https://pptr.dev/guides/page-interactions#text-selectors--p-text | text},
* {@link https://pptr.dev/guides/page-interactions#aria-selectors--p-aria | a11y role and name},
* and
* {@link https://pptr.dev/guides/page-interactions#xpath-selectors--p-xpath | xpath}
* and
* {@link https://pptr.dev/guides/page-interactions#querying-elements-in-shadow-dom | combining these queries across shadow roots}.
* Alternatively, you can specify the selector type using a
* {@link https://pptr.dev/guides/page-interactions#prefixed-selector-syntax | prefix}.
* @param pageFunction - the function to be evaluated in the page context.
* Will be passed the result of the element matching the selector as its
* first argument.
* @param args - any additional arguments to pass through to `pageFunction`.
*
* @returns The result of calling `pageFunction`. If it returns an element it
* is wrapped in an {@link ElementHandle}, else the raw value itself is
* returned.
*/
async $eval(selector, pageFunction, ...args) {
pageFunction = (0, util_js_1.withSourcePuppeteerURLIfNone)(this.$eval.name, pageFunction);
return await this.mainFrame().$eval(selector, pageFunction, ...args);
}
/**
* This method returns all elements matching the selector and passes the
* resulting array as the first argument to the `pageFunction`.
*
* @remarks
* If `pageFunction` returns a promise `$$eval` will wait for the promise to
* resolve and then return its value.
*
* @example
*
* ```ts
* // get the amount of divs on the page
* const divCount = await page.$$eval('div', divs => divs.length);
*
* // get the text content of all the `.options` elements:
* const options = await page.$$eval('div > span.options', options => {
* return options.map(option => option.textContent);
* });
* ```
*
* If you are using TypeScript, you may have to provide an explicit type to the
* first argument of the `pageFunction`.
* By default it is typed as `Element[]`, but you may need to provide a more
* specific sub-type:
*
* @example
*
* ```ts
* await page.$$eval('input', elements => {
* return elements.map(e => e.value);
* });
* ```
*
* The compiler should be able to infer the return type
* from the `pageFunction` you provide. If it is unable to, you can use the generic
* type to tell the compiler what return type you expect from `$$eval`:
*
* @example
*
* ```ts
* const allInputValues = await page.$$eval('input', elements =>
* elements.map(e => e.textContent)
* );
* ```
*
* @param selector -
* {@link https://pptr.dev/guides/page-interactions#selectors | selector}
* to query page for.
* {@link https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Selectors | CSS selectors}
* can be passed as-is and a
* {@link https://pptr.dev/guides/page-interactions#non-css-selectors | Puppeteer-specific selector syntax}
* allows quering by
* {@link https://pptr.dev/guides/page-interactions#text-selectors--p-text | text},
* {@link https://pptr.dev/guides/page-interactions#aria-selectors--p-aria | a11y role and name},
* and
* {@link https://pptr.dev/guides/page-interactions#xpath-selectors--p-xpath | xpath}
* and
* {@link https://pptr.dev/guides/page-interactions#querying-elements-in-shadow-dom | combining these queries across shadow roots}.
* Alternatively, you can specify the selector type using a
* {@link https://pptr.dev/guides/page-interactions#prefixed-selector-syntax | prefix}.
* @param pageFunction - the function to be evaluated in the page context.
* Will be passed an array of matching elements as its first argument.
* @param args - any additional arguments to pass through to `pageFunction`.
*
* @returns The result of calling `pageFunction`. If it returns an element it
* is wrapped in an {@link ElementHandle}, else the raw value itself is
* returned.
*/
async $$eval(selector, pageFunction, ...args) {
pageFunction = (0, util_js_1.withSourcePuppeteerURLIfNone)(this.$$eval.name, pageFunction);
return await this.mainFrame().$$eval(selector, pageFunction, ...args);
}
/**
* Adds a `<script>` tag into the page with the desired URL or content.
*
* @remarks
* Shortcut for
* {@link Frame.addScriptTag | page.mainFrame().addScriptTag(options)}.
*
* @param options - Options for the script.
* @returns An {@link ElementHandle | element handle} to the injected
* `<script>` element.
*/
async addScriptTag(options) {
return await this.mainFrame().addScriptTag(options);
}
async addStyleTag(options) {
return await this.mainFrame().addStyleTag(options);
}
/**
* The page's URL.
*
* @remarks
*
* Shortcut for {@link Frame.url | page.mainFrame().url()}.
*/
url() {
return this.mainFrame().url();
}
/**
* The full HTML contents of the page, including the DOCTYPE.
*/
async content() {
return await this.mainFrame().content();
}
/**
* Set the content of the page.
*
* @param html - HTML markup to assign to the page.
* @param options - Parameters that has some properties.
*/
async setContent(html, options) {
await this.mainFrame().setContent(html, options);
}
/**
* {@inheritDoc Frame.goto}
*/
async goto(url, options) {
return await this.mainFrame().goto(url, options);
}
/**
* Waits for the page to navigate to a new URL or to reload. It is useful when
* you run code that will indirectly cause the page to navigate.
*
* @example
*
* ```ts
* const [response] = await Promise.all([
* page.waitForNavigation(), // The promise resolves after navigation has finished
* page.click('a.my-link'), // Clicking the link will indirectly cause a navigation
* ]);
* ```
*
* @remarks
*
* Usage of the
* {@link https://developer.mozilla.org/en-US/docs/Web/API/History_API | History API}
* to change the URL is considered a navigation.
*
* @param options - Navigation parameters which might have the following
* properties:
* @returns A `Promise` which resolves to the main resource response.
*
* - In case of multiple redirects, the navigation will resolve with the
* response of the last redirect.
* - In case of navigation to a different anchor or navigation due to History
* API usage, the navigation will resolve with `null`.
*/
async waitForNavigation(options = {}) {
return await this.mainFrame().waitForNavigation(options);
}
/**
* @param urlOrPredicate - A URL or predicate to wait for
* @param options - Optional waiting parameters
* @returns Promise which resolves to the matched request
* @example
*
* ```ts
* const firstRequest = await page.waitForRequest(
* 'https://example.com/resource'
* );
* const finalRequest = await page.waitForRequest(
* request => request.url() === 'https://example.com'
* );
* return finalRequest.response()?.ok();
* ```
*
* @remarks
* Optional Waiting Parameters have:
*
* - `timeout`: Maximum wait time in milliseconds, defaults to `30` seconds, pass
* `0` to disable the timeout. The default value can be changed by using the
* {@link Page.setDefaultTimeout} method.
*/
waitForRequest(urlOrPredicate, options = {}) {
const { timeout: ms = this._timeoutSettings.timeout(), signal } = options;
if (typeof urlOrPredicate === 'string') {
const url = urlOrPredicate;
urlOrPredicate = (request) => {
return request.url() === url;
};
}
const observable$ = (0, util_js_1.fromEmitterEvent)(this, "request" /* PageEvent.Request */).pipe((0, util_js_1.filterAsync)(urlOrPredicate), (0, rxjs_js_1.raceWith)((0, util_js_1.timeout)(ms), (0, util_js_1.fromAbortSignal)(signal), (0, util_js_1.fromEmitterEvent)(this, "close" /* PageEvent.Close */).pipe((0, rxjs_js_1.map)(() => {
throw new Errors_js_1.TargetCloseError('Page closed!');
}))));
return (0, rxjs_js_1.firstValueFrom)(observable$);
}
/**
* @param urlOrPredicate - A URL or predicate to wait for.
* @param options - Optional waiting parameters
* @returns Promise which resolves to the matched response.
* @example
*
* ```ts
* const firstResponse = await page.waitForResponse(
* 'https://example.com/resource'
* );
* const finalResponse = await page.waitForResponse(
* response =>
* response.url() === 'https://example.com' && response.status() === 200
* );
* const finalResponse = await page.waitForResponse(async response => {
* return (await response.text()).includes('<html>');
* });
* return finalResponse.ok();
* ```
*
* @remarks
* Optional Parameter have:
*
* - `timeout`: Maximum wait time in milliseconds, defaults to `30` seconds,
* pass `0` to disable the timeout. The default value can be changed by using
* the {@link Page.setDefaultTimeout} method.
*/
waitForResponse(urlOrPredicate, options = {}) {
const { timeout: ms = this._timeoutSettings.timeout(), signal } = options;
if (typeof urlOrPredicate === 'string') {
const url = urlOrPredicate;
urlOrPredicate = (response) => {
return response.url() === url;
};
}
const observable$ = (0, util_js_1.fromEmitterEvent)(this, "response" /* PageEvent.Response */).pipe((0, util_js_1.filterAsync)(urlOrPredicate), (0, rxjs_js_1.raceWith)((0, util_js_1.timeout)(ms), (0, util_js_1.fromAbortSignal)(signal), (0, util_js_1.fromEmitterEvent)(this, "close" /* PageEvent.Close */).pipe((0, rxjs_js_1.map)(() => {
throw new Errors_js_1.TargetCloseError('Page closed!');
}))));
return (0, rxjs_js_1.firstValueFrom)(observable$);
}
/**
* Waits for the network to be idle.
*
* @param options - Options to configure waiting behavior.
* @returns A promise which resolves once the network is idle.
*/
waitForNetworkIdle(options = {}) {
return (0, rxjs_js_1.firstValueFrom)(this.waitForNetworkIdle$(options));
}
/**
* @internal
*/
waitForNetworkIdle$(options = {}) {
const { timeout: ms = this._timeoutSettings.timeout(), idleTime = util_js_1.NETWORK_IDLE_TIME, concurrency = 0, signal, } = options;
return this.#inflight$.pipe((0, rxjs_js_1.switchMap)(inflight => {
if (inflight > concurrency) {
return rxjs_js_1.EMPTY;
}
return (0, rxjs_js_1.timer)(idleTime);
}), (0, rxjs_js_1.map)(() => { }), (0, rxjs_js_1.raceWith)((0, util_js_1.timeout)(ms), (0, util_js_1.fromAbortSignal)(signal), (0, util_js_1.fromEmitterEvent)(this, "close" /* PageEvent.Close */).pipe((0, rxjs_js_1.map)(() => {
throw new Errors_js_1.TargetCloseError('Page closed!');
}))));
}
/**
* Waits for a frame matching the given conditions to appear.
*
* @example
*
* ```ts
* const frame = await page.waitForFrame(async frame => {
* return frame.name() === 'Test';
* });
* ```
*/
async waitForFrame(urlOrPredicate, options = {}) {
const { timeout: ms = this.getDefaultTimeout(), signal } = options;
const predicate = (0, util_js_1.isString)(urlOrPredicate)
? (frame) => {
return urlOrPredicate === frame.url();
}
: urlOrPredicate;
return await (0, rxjs_js_1.firstValueFrom)((0, rxjs_js_1.merge)((0, util_js_1.fromEmitterEvent)(this, "frameattached" /* PageEvent.FrameAttached */), (0, util_js_1.fromEmitterEvent)(this, "framenavigated" /* PageEvent.FrameNavigated */), (0, rxjs_js_1.from)(this.frames())).pipe((0, util_js_1.filterAsync)(predicate), (0, rxjs_js_1.first)(), (0, rxjs_js_1.raceWith)((0, util_js_1.timeout)(ms), (0, util_js_1.fromAbortSignal)(signal), (0, util_js_1.fromEmitterEvent)(this, "close" /* PageEvent.Close */).pipe((0, rxjs_js_1.map)(() => {
throw new Errors_js_1.TargetCloseError('Page closed.');
})))));
}
/**
* Emulates a given device's metrics and user agent.
*
* To aid emulation, Puppeteer provides a list of known devices that can be
* via {@link KnownDevices}.
*
* @remarks
* This method is a shortcut for calling two methods:
* {@link Page.setUserAgent} and {@link Page.setViewport}.
*
* This method will resize the page. A lot of websites don't expect phones to
* change size, so you should emulate before navigating to the page.
*
* @example
*
* ```ts
* import {KnownDevices} from 'puppeteer';
* const iPhone = KnownDevices['iPhone 15 Pro'];
*
* (async () => {
* const browser = await puppeteer.launch();
* const page = await browser.newPage();
* await page.emulate(iPhone);
* await page.goto('https://www.google.com');
* // other actions...
* await browser.close();
* })();
* ```
*/
async emulate(device) {
await Promise.all([
this.setUserAgent(device.userAgent),
this.setViewport(device.viewport),
]);
}
/**
* Evaluates a function in the page's context and returns the result.
*
* If the function passed to `page.evaluate` returns a Promise, the
* function will wait for the promise to resolve and return its value.
*
* @example
*
* ```ts
* const result = await frame.evaluate(() => {
* return Promise.resolve(8 * 7);
* });
* console.log(result); // prints "56"
* ```
*
* You can pass a string instead of a function (although functions are
* recommended as they are easier to debug and use with TypeScript):
*
* @example
*
* ```ts
* const aHandle = await page.evaluate('1 + 2');
* ```
*
* To get the best TypeScript experience, you should pass in as the
* generic the type of `pageFunction`:
*
* ```ts
* const aHandle = await page.evaluate(() => 2);
* ```
*
* @example
*
* {@link ElementHandle} instances (including {@link JSHandle}s) can be passed
* as arguments to the `pageFunction`:
*
* ```ts
* const bodyHandle = await page.$('body');
* const html = await page.evaluate(body => body.innerHTML, bodyHandle);
* await bodyHandle.dispose();
* ```
*
* @param pageFunction - a function that is run within the page
* @param args - arguments to be passed to the pageFunction
*
* @returns the return value of `pageFunction`.
*/
async evaluate(pageFunction, ...args) {
pageFunction = (0, util_js_1.withSourcePuppeteerURLIfNone)(this.evaluate.name, pageFunction);
return await this.mainFrame().evaluate(pageFunction, ...args);
}
/**
* @internal
*/
async _maybeWriteBufferToFile(path, buffer) {
if (!path) {
return;
}
const fs = await (0, util_js_1.importFSPromises)();
await fs.writeFile(path, buffer);
}
/**
* Captures a screencast of this {@link Page | page}.
*
* @example
* Recording a {@link Page | page}:
*
* ```
* import puppeteer from 'puppeteer';
*
* // Launch a browser
* const browser = await puppeteer.launch();
*
* // Create a new page
* const page = await browser.newPage();
*
* // Go to your site.
* await page.goto("https://www.example.com");
*
* // Start recording.
* const recorder = await page.screencast({path: 'recording.webm'});
*
* // Do something.
*
* // Stop recording.
* await recorder.stop();
*
* browser.close();
* ```
*
* @param options - Configures screencast behavior.
*
* @experimental
*
* @remarks
*
* All recordings will be {@link https://www.webmproject.org/ | WebM} format using
* the {@link https://www.webmproject.org/vp9/ | VP9} video codec. The FPS is 30.
*
* You must have {@link https://ffmpeg.org/ | ffmpeg} installed on your system.
*/
async screencast(options = {}) {
const [{ ScreenRecorder }, [width, height, devicePixelRatio]] = await Promise.all([
Promise.resolve().then(() => __importStar(require('../node/ScreenRecorder.js'))),
this.#getNativePixelDimensions(),
]);
let crop;
if (options.crop) {
const { x, y, width: cropWidth, height: cropHeight, } = roundRectangle(normalizeRectangle(options.crop));
if (x < 0 || y < 0) {
throw new Error(`\`crop.x\` and \`crop.y\` must be greater than or equal to 0.`);
}
if (cropWidth <= 0 || cropHeight <= 0) {
throw new Error(`\`crop.height\` and \`crop.width\` must be greater than or equal to 0.`);
}
const viewportWidth = width / devicePixelRatio;
const viewportHeight = height / devicePixelRatio;
if (x + cropWidth > viewportWidth) {
throw new Error(`\`crop.width\` cannot be larger than the viewport width (${viewportWidth}).`);
}
if (y + cropHeight > viewportHeight) {
throw new Error(`\`crop.height\` cannot be larger than the viewport height (${viewportHeight}).`);
}
crop = {
x: x * devicePixelRatio,
y: y * devicePixelRatio,
width: cropWidth * devicePixelRatio,
height: cropHeight * devicePixelRatio,
};
}
if (options.speed !== undefined && options.speed <= 0) {
throw new Error(`\`speed\` must be greater than 0.`);
}
if (options.scale !== undefined && options.scale <= 0) {
throw new Error(`\`scale\` must be greater than 0.`);
}
const recorder = new ScreenRecorder(this, width, height, {
...options,
path: options.ffmpegPath,
crop,
});
try {
await this._startScreencast();
}
catch (error) {
void recorder.stop();
throw error;
}
if (options.path) {
const { createWriteStream } = await Promise.resolve().then(() => __importStar(require('fs')));
const stream = createWriteStream(options.path, 'binary');
recorder.pipe(stream);
}
return recorder;
}
#screencastSessionCount = 0;
#startScreencastPromise;
/**
* @internal
*/
async _startScreencast() {
++this.#screencastSessionCount;
if (!this.#startScreencastPromise) {
this.#startScreencastPromise = this.mainFrame()
.client.send('Page.startScreencast', { format: 'png' })
.then(() => {
// Wait for the first frame.
return new Promise(resolve => {
return this.mainFrame().client.once('Page.screencastFrame', () => {
return resolve();
});
});
});
}
await this.#startScreencastPromise;
}
/**
* @internal
*/
async _stopScreencast() {
--this.#screencastSessionCount;
if (!this.#startScreencastPromise) {
return;
}
this.#startScreencastPromise = undefined;
if (this.#screencastSessionCount === 0) {
await this.mainFrame().client.send('Page.stopScreencast');
}
}
/**
* Gets the native, non-emulated dimensions of the viewport.
*/
async #getNativePixelDimensions() {
const env_1 = { stack: [], error: void 0, hasError: false };
try {
const viewport = this.viewport();
const stack = __addDisposableResource(env_1, new disposable_js_1.DisposableStack(), false);
if (viewport && viewport.deviceScaleFactor !== 0) {
await this.setViewport({ ...viewport, deviceScaleFactor: 0 });
stack.defer(() => {
void this.setViewport(viewport).catch(util_js_1.debugError);
});
}
return await this.mainFrame()
.isolatedRealm()
.evaluate(() => {
return [
window.visualViewport.width * window.devicePixelRatio,
window.visualViewport.height * window.devicePixelRatio,
window.devicePixelRatio,
];
});
}
catch (e_1) {
env_1.error = e_1;
env_1.hasError = true;
}
finally {
__disposeResources(env_1);
}
}
async screenshot(userOptions = {}) {
const env_2 = { stack: [], error: void 0, hasError: false };
try {
const _guard = __addDisposableResource(env_2, await this.browserContext().startScreenshot(), false);
await this.bringToFront();
// TODO: use structuredClone after Node 16 support is dropped.
const options = {
...userOptions,
clip: userOptions.clip
? {
...userOptions.clip,
}
: undefined,
};
if (options.type === undefined && options.path !== undefined) {
const filePath = options.path;
// Note we cannot use Node.js here due to browser compatibility.
const extension = filePath
.slice(filePath.lastIndexOf('.') + 1)
.toLowerCase();
switch (extension) {
case 'png':
options.type = 'png';
break;
case 'jpeg':
case 'jpg':
options.type = 'jpeg';
break;
case 'webp':
options.type = 'webp';
break;
}
}
if (options.quality !== undefined) {
if (options.quality < 0 || options.quality > 100) {
throw new Error(`Expected 'quality' (${options.quality}) to be between 0 and 100, inclusive.`);
}
if (options.type === undefined ||
!['jpeg', 'webp'].includes(options.type)) {
throw new Error(`${options.type ?? 'png'} screenshots do not support 'quality'.`);
}
}
if (options.clip) {
if (options.clip.width <= 0) {
throw new Error("'width' in 'clip' must be positive.");
}
if (options.clip.height <= 0) {
throw new Error("'height' in 'clip' must be positive.");
}
}
setDefaultScreenshotOptions(options);
const stack = __addDisposableResource(env_2, new disposable_js_1.AsyncDisposableStack(), true);
if (options.clip) {
if (options.fullPage) {
throw new Error("'clip' and 'fullPage' are mutually exclusive");
}
options.clip = roundRectangle(normalizeRectangle(options.clip));
}
else {
if (options.fullPage) {
// If `captureBeyondViewport` is `false`, then we set the viewport to
// capture the full page. Note this may be affected by on-page CSS and
// JavaScript.
if (!options.captureBeyondViewport) {
const scrollDimensions = await this.mainFrame()
.isolatedRealm()
.evaluate(() => {
const element = document.documentElement;
return {
width: element.scrollWidth,
height: element.scrollHeight,
};
});
const viewport = this.viewport();
await this.setViewport({
...viewport,
...scrollDimensions,
});
stack.defer(async () => {
await this.setViewport(viewport).catch(util_js_1.debugError);
});
}
}
else {
options.captureBeyondViewport = false;
}
}
const data = await this._screenshot(options);
if (options.encoding === 'base64') {
return data;
}
const buffer = Buffer.from(data, 'base64');
await this._maybeWriteBufferToFile(options.path, buffer);
return buffer;
}
catch (e_2) {
env_2.error = e_2;
env_2.hasError = true;
}
finally {
const result_1 = __disposeResources(env_2);
if (result_1)
await result_1;
}
}
/**
* The page's title
*
* @remarks
*
* Shortcut for {@link Frame.title | page.mainFrame().title()}.
*/
async title() {
return await this.mainFrame().title();
}
/**
* This method fetches an element with `selector`, scrolls it into view if
* needed, and then uses {@link Page.mouse} to click in the center of the
* element. If there's no element matching `selector`, the method throws an
* error.
*
* @remarks
*
* Bear in mind that if `click()` triggers a navigation event and
* there's a separate `page.waitForNavigation()` promise to be resolved, you
* may end up with a race condition that yields unexpected results. The
* correct pattern for click and wait for navigation is the following:
*
* ```ts
* const [response] = await Promise.all([
* page.waitForNavigation(waitOptions),
* page.click(selector, clickOptions),
* ]);
* ```
*
* Shortcut for {@link Frame.click | page.mainFrame().click(selector[, options]) }.
* @param selector - A `selector` to search for element to click. If there are
* multiple elements satisfying the `selector`, the first will be clicked
* @param options - `Object`
* @returns Promise which resolves when the element matching `selector` is
* successfully clicked. The Promise will be rejected if there is no element
* matching `selector`.
*/
click(selector, options) {
return this.mainFrame().click(selector, options);
}
/**
* This method fetches an element with `selector` and focuses it. If there's no
* element matching `selector`, the method throws an error.
* @param selector - A
* {@link https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Selectors | selector }
* of an element to focus. If there are multiple elements satisfying the
* selector, the first will be focused.
* @returns Promise which resolves when the element matching selector is
* successfully focused. The promise will be rejected if there is no element
* matching selector.
*
* @remarks
*
* Shortcut for {@link Frame.focus | page.mainFrame().focus(selector)}.
*/
focus(selector) {
return this.mainFrame().focus(selector);
}
/**
* This method fetches an element with `selector`, scrolls it into view if
* needed, and then uses {@link Page.mouse}
* to hover over the center of the element.
* If there's no element matching `selector`, the method throws an error.
* @param selector - A
* {@link https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Selectors | selector}
* to search for element to hover. If there are multiple elements satisfying
* the selector, the first will be hovered.
* @returns Promise which resolves when the element matching `selector` is
* successfully hovered. Promise gets rejected if there's no element matching
* `selector`.
*
* @remarks
*
* Shortcut for {@link Page.hover | page.mainFrame().hover(selector)}.
*/
hover(selector) {
return this.mainFrame().hover(selector);
}
/**
* Triggers a `change` and `input` event once all the provided options have been
* selected. If there's no `<select>` element matching `selector`, the method
* throws an error.
*
* @example
*
* ```ts
* page.select('select#colors', 'blue'); // single selection
* page.select('select#colors', 'red', 'green', 'blue'); // multiple selections
* ```
*
* @param selector - A
* {@link https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Selectors | Selector}
* to query the page for
* @param values - Values of options to select. If the `<select>` has the
* `multiple` attribute, all values are considered, otherwise only the first one
* is taken into account.
* @returns
*
* @remarks
*
* Shortcut for {@link Frame.select | page.mainFrame().select()}
*/
select(selector, ...values) {
return this.mainFrame().select(selector, ...values);
}
/**
* This method fetches an element with `selector`, scrolls it into view if
* needed, and then uses {@link Page.touchscreen}
* to tap in the center of the element.
* If there's no element matching `selector`, the method throws an error.
* @param selector - A
* {@link https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Selectors | Selector}
* to search for element to tap. If there are multiple elements satisfying the
* selector, the first will be tapped.
*
* @remarks
*
* Shortcut for {@link Frame.tap | page.mainFrame().tap(selector)}.
*/
tap(selector) {
return this.mainFrame().tap(selector);
}
/**
* Sends a `keydown`, `keypress/input`, and `keyup` event for each character
* in the text.
*
* To press a special key, like `Control` or `ArrowDown`, use {@link Keyboard.press}.
* @example
*
* ```ts
* await page.type('#mytextarea', 'Hello');
* // Types instantly
* await page.type('#mytextarea', 'World', {delay: 100});
* // Types slower, like a user
* ```
*
* @param selector - A
* {@link https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Selectors | selector}
* of an element to type into. If there are multiple elements satisfying the
* selector, the first will be used.
* @param text - A text to type into a focused element.
* @param options - have property `delay` which is the Time to wait between
* key presses in milliseconds. Defaults to `0`.
* @returns
*/
type(selector, text, options) {
return this.mainFrame().type(selector, text, options);
}
/**
* Wait for the `selector` to appear in page. If at the moment of calling the
* method the `selector` already exists, the method will return immediately. If
* the `selector` doesn't appear after the `timeout` milliseconds of waiting, the
* function will throw.
*
* @example
* This method works across navigations:
*
* ```ts
* import puppeteer from 'puppeteer';
* (async () => {
* const browser = await puppeteer.launch();
* const page = await browser.newPage();
* let currentURL;
* page
* .waitForSelector('img')
* .then(() => console.log('First URL with image: ' + currentURL));
* for (currentURL of [
* 'https://example.com',
* 'https://google.com',
* 'https://bbc.com',
* ]) {
* await page.goto(currentURL);
* }
* await browser.close();
* })();
* ```
*
* @param selector - A
* {@link https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Selectors | selector}
* of an element to wait for
* @param options - Optional waiting parameters
* @returns Promise which resolves when element specified by selector string
* is added to DOM. Resolves to `null` if waiting for hidden: `true` and
* selector is not found in DOM.
*
* @remarks
* The optional Parameter in Arguments `options` are:
*
* - `visible`: A boolean wait for element to be present in DOM and to be
* visible, i.e. to not have `display: none` or `visibility: hidden` CSS
* properties. Defaults to `false`.
*
* - `hidden`: Wait for element to not be found in the DOM or to be hidden,
* i.e. have `display: none` or `visibility: hidden` CSS properties. Defaults to
* `false`.
*
* - `timeout`: maximum time to wait for in milliseconds. Defaults to `30000`
* (30 seconds). Pass `0` to disable timeout. The default value can be changed
* by using the {@link Page.setDefaultTimeout} method.
*/
async waitForSelector(selector, options = {}) {
return await this.mainFrame().waitForSelector(selector, options);
}
/**
* Waits for the provided function, `pageFunction`, to return a truthy value when
* evaluated in the page's context.
*
* @example
* {@link Page.waitForFunction} can be used to observe a viewport size change:
*
* ```ts
* import puppeteer from 'puppeteer';
* (async () => {
* const browser = await puppeteer.launch();
* const page = await browser.newPage();
* const watchDog = page.waitForFunction('window.innerWidth < 100');
* await page.setViewport({width: 50, height: 50});
* await watchDog;
* await browser.close();
* })();
* ```
*
* @example
* Arguments can be passed from Node.js to `pageFunction`:
*
* ```ts
* const selector = '.foo';
* await page.waitForFunction(
* selector => !!document.querySelector(selector),
* {},
* selector
* );
* ```
*
* @example
* The provided `pageFunction` can be asynchronous:
*
* ```ts
* const username = 'github-username';
* await page.waitForFunction(
* async username => {
* const githubResponse = await fetch(
* `https://api.github.com/users/${username}`
* );
* const githubUser = await githubResponse.json();
* // show the avatar
* const img = document.createElement('img');
* img.src = githubUser.avatar_url;
* // wait 3 seconds
* await new Promise((resolve, reject) => setTimeout(resolve, 3000));
* img.remove();
* },
* {},
* username
* );
* ```
*
* @param pageFunction - Function to be evaluated in browser context until it returns a
* truthy value.
* @param options - Options for configuring waiting behavior.
*/
waitForFunction(pageFunction, options, ...args) {
return this.mainFrame().waitForFunction(pageFunction, options, ...args);
}
/** @internal */
[(_screenshot_decorators = [(0, decorators_js_1.guarded)(function () {
return this.browser();
})], disposable_js_1.disposeSymbol)]() {
return void this.close().catch(util_js_1.debugError);
}
/** @internal */
[disposable_js_1.asyncDisposeSymbol]() {
return this.close();
}
};
})();
exports.Page = Page;
/**
* @internal
*/
exports.supportedMetrics = new Set([
'Timestamp',
'Documents',
'Frames',
'JSEventListeners',
'Nodes',
'LayoutCount',
'RecalcStyleCount',
'LayoutDuration',
'RecalcStyleDuration',
'ScriptDuration',
'TaskDuration',
'JSHeapUsedSize',
'JSHeapTotalSize',
]);
/** @see https://w3c.github.io/webdriver-bidi/#normalize-rect */
function normalizeRectangle(clip) {
return {
...clip,
...(clip.width < 0
? {
x: clip.x + clip.width,
width: -clip.width,
}
: {
x: clip.x,
width: clip.width,
}),
...(clip.height < 0
? {
y: clip.y + clip.height,
height: -clip.height,
}
: {
y: clip.y,
height: clip.height,
}),
};
}
function roundRectangle(clip) {
const x = Math.round(clip.x);
const y = Math.round(clip.y);
const width = Math.round(clip.width + clip.x - x);
const height = Math.round(clip.height + clip.y - y);
return { ...clip, x, y, width, height };
}
//# sourceMappingURL=Page.js.map |
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