Best JavaScript code snippet using puppeteer
broker.js
Source:broker.js
...49 _getChannel,50 channel => {51 debug('Publishing %d bytes to %s[%s] with messageId: %s', buffer.length, exchange, routingKey, options.messageId);52 const onMessageReturned = _createOnMessageReturnedListener(channel, options.messageId);53 const timeout = _createTimeoutPromise(1000, options);54 return Promise.race([55 onMessageReturned.attach(),56 timeout.start(),57 _createPublishPromise(channel, exchange, routingKey, buffer, options),58 ])59 .finally(() => {60 timeout.cancel();61 onMessageReturned.detatch();62 });63 },64 () => Promise.resolve(options.messageId),65 ])66}67function _getChannel() {68 debug('_getChannel')69 return pRetry(() => new Promise((resolve, reject) => {70 return state.channel && !state.saturated71 ? resolve(state.channel)72 : reject(new Error('Channel unavailable'));73 }), {74 retries: 1000,75 onFailedAttempt: err => {76 debug(`Attempt ${err.attemptNumber}/1000 to a get channel failed with message: ${err.message}`);77 },78 });79}80function _createTimeoutPromise(timeout, options) {81 let ref;82 return {83 start: () => new Promise((resolve, reject) => {84 ref = setTimeout(() => {85 reject(new Error(`Message ${options.messageId} was not acknowledged in ${timeout}ms`));86 }, timeout).unref();87 }),88 cancel: () => clearTimeout(ref),89 }90}91function _createOnMessageReturnedListener(channel, messageId) {92 let listener;93 return {94 attach: () => new Promise((resolve, reject) => {...
LifecycleWatcher.js
Source:LifecycleWatcher.js
...54 });55 this._newDocumentNavigationPromise = new Promise(fulfill => {56 this._newDocumentNavigationCompleteCallback = fulfill;57 });58 this._timeoutPromise = this._createTimeoutPromise();59 this._terminationPromise = new Promise(fulfill => {60 this._terminationCallback = fulfill;61 });62 this._checkLifecycleComplete();63 }64 /**65 * @param {!Puppeteer.Request} request66 */67 _onRequest(request) {68 if (request.frame() !== this._frame || !request.isNavigationRequest())69 return;70 this._navigationRequest = request;71 }72 /**73 * @param {!Puppeteer.Frame} frame74 */75 _onFrameDetached(frame) {76 if (this._frame === frame) {77 this._terminationCallback.call(null, new Error('Navigating frame was detached'));78 return;79 }80 this._checkLifecycleComplete();81 }82 /**83 * @return {?Puppeteer.Response}84 */85 navigationResponse() {86 return this._navigationRequest ? this._navigationRequest.response() : null;87 }88 /**89 * @param {!Error} error90 */91 _terminate(error) {92 this._terminationCallback.call(null, error);93 }94 /**95 * @return {!Promise<?Error>}96 */97 sameDocumentNavigationPromise() {98 return this._sameDocumentNavigationPromise;99 }100 /**101 * @return {!Promise<?Error>}102 */103 newDocumentNavigationPromise() {104 return this._newDocumentNavigationPromise;105 }106 /**107 * @return {!Promise}108 */109 lifecyclePromise() {110 return this._lifecyclePromise;111 }112 /**113 * @return {!Promise<?Error>}114 */115 timeoutOrTerminationPromise() {116 return Promise.race([this._timeoutPromise, this._terminationPromise]);117 }118 /**119 * @return {!Promise<?Error>}120 */121 _createTimeoutPromise() {122 if (!this._timeout)123 return new Promise(() => {});124 const errorMessage = 'Navigation timeout of ' + this._timeout + ' ms exceeded';125 return new Promise(fulfill => this._maximumTimer = setTimeout(fulfill, this._timeout))126 .then(() => new TimeoutError(errorMessage));127 }128 /**129 * @param {!Puppeteer.Frame} frame130 */131 _navigatedWithinDocument(frame) {132 if (frame !== this._frame)133 return;134 this._hasSameDocumentNavigation = true;135 this._checkLifecycleComplete();...
NavigatorWatcher.js
Source:NavigatorWatcher.js
...47 const lifecycleCompletePromise = new Promise(fulfill => {48 this._lifecycleCompleteCallback = fulfill;49 });50 this._navigationPromise = Promise.race([51 this._createTimeoutPromise(),52 lifecycleCompletePromise53 ]).then(error => {54 this._cleanup();55 return error;56 });57 }58 /**59 * @return {!Promise<?Error>}60 */61 _createTimeoutPromise() {62 if (!this._timeout)63 return new Promise(() => {});64 const errorMessage = 'Navigation Timeout Exceeded: ' + this._timeout + 'ms exceeded';65 return new Promise(fulfill => this._maximumTimer = setTimeout(fulfill, this._timeout))66 .then(() => new Error(errorMessage));67 }68 /**69 * @return {!Promise<?Error>}70 */71 async navigationPromise() {72 return this._navigationPromise;73 }74 _checkLifecycleComplete() {75 // We expect navigation to commit....
Using AI Code Generation
1const puppeteer = require('puppeteer');2const fs = require('fs');3(async () => {4 const browser = await puppeteer.launch({headless: false});5 const page = await browser.newPage();6 await page.screenshot({path: 'google.png'});7 await page._createTimeoutPromise(5000);8 await page.screenshot({path: 'google2.png'});9 await browser.close();10})();11await page.waitFor(5000);12at ExecutionContext._evaluateInternal (/Users/username/Projects/puppeteer/node_modules/puppeteer/lib/ExecutionContext.js:122:13)13at process._tickCallback (internal/process/next_tick.js:68:7)14async function waitForTimeout(timeout) {15 return new Promise((resolve) => {16 setTimeout(() => {17 resolve();18 }, timeout);19 });20}21await waitForTimeout(5000);
Using AI Code Generation
1const puppeteer = require('puppeteer');2(async () => {3 const browser = await puppeteer.launch();4 const page = await browser.newPage();5 await page.waitFor(10000);6 await browser.close();7})();8const puppeteer = require('puppeteer');9(async () => {10 const browser = await puppeteer.launch();11 const page = await browser.newPage();12 await page.waitFor(10000);13 await browser.close();14})();15const puppeteer = require('puppeteer');16(async () => {17 const browser = await puppeteer.launch();18 const page = await browser.newPage();19 await page.waitFor(10000);20 await browser.close();21})();22const puppeteer = require('puppeteer');23(async () => {24 const browser = await puppeteer.launch();25 const page = await browser.newPage();26 await page.waitFor(10000);27 await browser.close();28})();29const puppeteer = require('puppeteer');30(async () => {31 const browser = await puppeteer.launch();32 const page = await browser.newPage();33 await page.waitFor(10000);34 await browser.close();35})();36const puppeteer = require('puppeteer');37(async () => {38 const browser = await puppeteer.launch();39 const page = await browser.newPage();40 await page.waitFor(10000);41 await browser.close();42})();43const puppeteer = require('puppeteer');44(async () => {45 const browser = await puppeteer.launch();46 const page = await browser.newPage();47 await page.waitFor(10000);48 await browser.close();49})();50const puppeteer = require('puppeteer
Using AI Code Generation
1const puppeteer = require('puppeteer');2(async () => {3 const browser = await puppeteer.launch();4 const page = await browser.newPage();5 await page.waitFor(3000);6 await browser.close();7})();8const puppeteer = require('puppeteer');9(async () => {10 const browser = await puppeteer.launch();11 const page = await browser.newPage();12 await page.waitForSelector('h1');13 await browser.close();14})();15const puppeteer = require('puppeteer');16(async () => {17 const browser = await puppeteer.launch();18 const page = await browser.newPage();19 await browser.close();20})();21const puppeteer = require('puppeteer');22(async () => {23 const browser = await puppeteer.launch();24 const page = await browser.newPage();25 await page.waitForFunction('document.querySelector("h1")');26 await browser.close();27})();
Using AI Code Generation
1const puppeteer = require('puppeteer');2(async () => {3const browser = await puppeteer.launch();4const page = await browser.newPage();5await page.waitForSelector('input[name="q"]');6await page.type('input[name="q"]', 'puppeteer');7await page.keyboard.press('Enter');8await page.waitForNavigation();9await page.waitForSelector('div#resultStats');10await page.screenshot({path: 'screenshot.png'});11await browser.close();12})();
Using AI Code Generation
1const { PuppeteerCrawler } = require('apify');2const crawler = new PuppeteerCrawler({3 sessionPoolOptions: {4 },5 requestQueue: new Apify.RequestQueue({ persistStateKey: 'my-request-queue' }),6 launchPuppeteerOptions: {7 },8 handlePageFunction: async ({ request, page }) => {9 await page.goto(request.url);10 await page.waitForSelector('.some-selector');11 await Apify.utils.puppeteer.injectJQuery(page);12 const title = await page.evaluate(() => {13 return $('h1').text();14 });15 console.log(`Page title: ${title}`);16 },17 handleFailedRequestFunction: async ({ request }) => {18 console.log(`Request ${request.url} failed too many times`);19 },20});21await crawler.run();
Using AI Code Generation
1_createTimeoutPromise(timeout, task, message) {2 return new Promise((resolve, reject) => {3 const timeoutTimer = setTimeout(() => {4 reject(new Error(message));5 }, timeout);6 task().then(result => {7 clearTimeout(timeoutTimer);8 resolve(result);9 }).catch(error => {10 clearTimeout(timeoutTimer);11 reject(error);12 });13 });14 }15_createTimeoutPromise(timeout, task, message) {16 return new Promise((resolve, reject) => {17 const timeoutTimer = setTimeout(() => {18 reject(new Error(message));19 }, timeout);20 task().then(result => {21 clearTimeout(timeoutTimer);22 resolve(result);23 }).catch(error => {24 clearTimeout(timeoutTimer);25 reject(error);26 });27 });28 }29_createTimeoutPromise(timeout, task, message) {30 return new Promise((resolve, reject) => {31 const timeoutTimer = setTimeout(() => {32 reject(new Error(message));33 }, timeout);34 task().then(result => {35 clearTimeout(timeoutTimer);36 resolve(result);37 }).catch(error => {38 clearTimeout(timeoutTimer);39 reject(error);40 });41 });42 }43_createTimeoutPromise(timeout, task, message) {44 return new Promise((resolve, reject)
Using AI Code Generation
1const puppeteer = require('puppeteer');2const browser = await puppeteer.launch();3const page = await browser.newPage();4await page.waitForTimeout(3000);5await browser.close();6Puppeteer waitForSelector() method7page.waitForSelector(selector[, options])8const puppeteer = require('puppeteer');9const browser = await puppeteer.launch();10const page = await browser.newPage();11await page.waitForSelector('input[name="q"]');12await browser.close();13Puppeteer waitForXPath() method14page.waitForXPath(xpath[, options])15const puppeteer = require('puppeteer');16const browser = await puppeteer.launch();17const page = await browser.newPage();18await browser.close();19Note: waitForXPath() method is not available in the previous versions of Puppeteer. So, we need to use
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