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How to use puppeteer.launch method in ava

Best JavaScript code snippet using ava

browser.test.js

Source:browser.test.js

1/**2 * This file is part of the chromium-screenshot package3 *4 * For the full copyright and license information, please view the LICENSE5 * file that was distributed with this source code.6 */7// const assert = require("assert");8const {9    describe10} = require("mocha");11// const sinon = require("sinon");12// const puppeteer = require("puppeteer");13// const EventEmitter = require("events");14// const Browser = require("../src/browser");15describe(16    "Browser",17    () =>18    {19        // const sandBox = sinon.createSandbox();20        /*21        describe(22            "#fetch()",23            () =>24            {25                // stub logger method before each test26                beforeEach(() => sandBox.stub(puppeteer, "launch"));27                // restore logger state after each test28                afterEach(() => sandBox.restore());29                it(30                    "should return the browser instance",31                    async () =>32                    {33                        const browser = new Browser(["--no-sandbox"]);34                        const instance = new EventEmitter();35                        puppeteer.launch.returns(Promise.resolve(instance));36                        assert.equal(await browser.fetch(), instance);37                    }38                );39                it(40                    "should cache the browser instance",41                    async () =>42                    {43                        const browser = new Browser(["--no-sandbox"]);44                        const firstInstance = new EventEmitter();45                        const secondInstance = new EventEmitter();46                        puppeteer.launch.onCall(0).returns(Promise.resolve(firstInstance));47                        puppeteer.launch.onCall(1).returns(Promise.resolve(secondInstance));48                        await browser.fetch();49                        const secondResult = await browser.fetch();50                        sandBox.assert.calledOnce(puppeteer.launch);51                        assert.equal(secondResult, firstInstance);52                    }53                );54                it(55                    "should cache the browser promise",56                    async () =>57                    {58                        const browser = new Browser(["--no-sandbox"]);59                        // this promise never resolves60                        puppeteer.launch.returns(new Promise(() => true));61                        const firstPromise = browser.fetch();62                        const secondPromise = browser.fetch();63                        assert.equal(firstPromise, secondPromise);64                    }65                );66                it(67                    "should clear the instance when the browser disconnects",68                    async () =>69                    {70                        const browser = new Browser(["--no-sandbox"]);71                        const instance = new EventEmitter();72                        // mock73                        puppeteer.launch.returns(Promise.resolve(instance));74                        sandBox.stub(browser, "clear");75                        // fetch instance and trigger disconnect76                        await browser.fetch();77                        // this calls listeners synchronously78                        instance.emit("disconnected");79                        sandBox.assert.calledOnce(browser.clear);80                    }81                );82                it(83                    "should clear the instance when the browser disconnects",84                    async () =>85                    {86                        const browser = new Browser(["--no-sandbox"]);87                        const instance = new EventEmitter();88                        // mock89                        puppeteer.launch.returns(Promise.resolve(instance));90                        sandBox.stub(browser, "clear");91                        // fetch instance and trigger disconnect92                        await browser.fetch();93                        // this calls listeners synchronously94                        instance.emit("disconnected");95                        sandBox.assert.calledOnce(browser.clear);96                    }97                );98            }99        );100        describe(101            "#clear()",102            () =>103            {104                // stub logger method before each test105                beforeEach(() => sandBox.stub(puppeteer, "launch"));106                // restore logger state after each test107                afterEach(() => sandBox.restore());108                it(109                    "should clear the browser instance",110                    async () =>111                    {112                        const browser = new Browser(["--no-sandbox"]);113                        // mock114                        const firstInstance = new EventEmitter();115                        const secondInstance = new EventEmitter();116                        firstInstance.close = () => true;117                        secondInstance.close = () => true;118                        puppeteer.launch.onCall(0).returns(Promise.resolve(firstInstance));119                        puppeteer.launch.onCall(1).returns(Promise.resolve(secondInstance));120                        // fetch, clear then fetch again121                        await browser.fetch();122                        browser.clear();123                        const secondResult = await browser.fetch();124                        sandBox.assert.calledTwice(puppeteer.launch);125                        assert.equal(secondResult, secondInstance);126                    }127                );128                it(129                    "should not repeat calls to close the browser",130                    async () =>131                    {132                        const browser = new Browser(["--no-sandbox"]);133                        // mock134                        const instance = new EventEmitter();135                        instance.close = () => true;136                        const closeSpy = sinon.spy(instance, "close");137                        puppeteer.launch.returns(Promise.resolve(instance));138                        // fetch, clear then fetch again139                        await browser.fetch();140                        browser.clear();141                        browser.clear();142                        sandBox.assert.calledOnce(closeSpy);143                    }144                );145            }146        );147        */148    }...

index-puppeteer.js

Source:index-puppeteer.js

1const puppeteer = require("puppeteer");2(async () => {3  // const browser = await puppeteer.launch({4  //   headless: false,5  //   devtools: true,6  // });7  // const page = await browser.newPage();8  // await page.goto("https://google.com");9  // await page.type("[title~=Search]", "World", { delay: 100 });10  // await page.keyboard.press("Enter");11  // await page.waitForNavigation();12  // await page.screenshot({ path: "example.png" });13  // await browser.close();14  // /* 1. Creating a PDF from the website */15  // const browser = await puppeteer.launch({ headless: true });16  // const page = await browser.newPage();17  // await page.goto("https://google.com/");18  // await page.pdf({19  //   path: "./page.pdf",20  //   format: "A4",21  // });22  // await browser.close();23  // /* 2. Getting the URL or the Title of the current page */24  // const browser = await puppeteer.launch({ headless: false });25  // const page = await browser.newPage();26  // await page.goto("https://learnscraping.com/");27  // let title = await page.title();28  // console.log(`Title of the page is ${title}`);29  // let url = await page.url();30  // console.log(`URL of the page is ${url}`);31  // await browser.close();32  // // /* 3. Emulate a phone */33  // try {34  //   const browser = await puppeteer.launch({ headless: false });35  //   const page = await browser.newPage();36  //   await page.emulate(puppeteer.devices["iPhone X"]);37  //   await page.goto("https://learnscraping.com/");38  //   // await browser.close();39  // } catch (err) {40  //   console.log(err);41  // }42  //instagram login43  // const browser = await puppeteer.launch({44  //   headless: false,45  // });46  // const page = await browser.newPage();47  // await page.goto("https://instagram.com");48  // await page.waitForTimeout(1000);49  // await page.waitForSelector('input[name="username"]');50  // await page.type('input[name="username"]', "Hayo_man");51  // await page.type('input[name="password"]', "12345");52  // await page.click("#loginForm > div > div:nth-child(3) > button");53  //website loads faster54  // const browser = await puppeteer.launch({55  //   headless: false,56  // });57  // const page = await browser.newPage();58  // await page.setRequestInterception(true);59  // page.on("request", (request) => {60  //   if (["image", "stylesheet", "font"].includes(request.resourceType())) {61  //     request.abort();62  //   } else {63  //     request.continue();64  //   }65  // });66  // await page.goto("https://amazon.com/");67  // debugger;68  // // await browser.close()69  //basic auth70  // const browser = await puppeteer.launch({71  //   headless: false,72  // });73  // const page = await browser.newPage();74  // await page.authenticate({75  //   username: "admin",76  //   password: "1234",77  // });78  // await page.goto("https://httpbin.org/basic-auth/admin/1234");79  // debugger;80  //IGNORE HTTP ERRORS AND CHANGE VIEW PORT OF BROSWER81  // const browser = await puppeteer.launch({82  //   headless: false,83  //   ignoreHTTPSErrors: true,84  //   defaultViewport: {85  //     width: 920,86  //     height: 1080,87  //   },88  // });89  // const page = await browser.newPage();90  // await page.goto("https://google.com/");91  // debugger;92  //USING PROXY93  const browser = await puppeteer.launch({94    headless: false,95    args: ["--proxy-server=60.246.7.4:8080"],96  });97  const page = await browser.newPage();98  await page.goto("https://httpbin.org/ip");99  debugger;...

print.js

Source:print.js

...20  const pdfFilename = typeof print === 'string' ? print : filename.replace(/\.md$/, '.pdf');21  debug({ initialUrl, printPluginPath, pdfFilename, puppeteerLaunchConfig });22  console.log(`Attempting to print "${filename}" to "${pdfFilename}".`);23  try {24    const browser = await puppeteer.launch(puppeteerLaunchConfig);25    const page = await browser.newPage();26    const pdfOptions = { path: pdfFilename, printBackground: true };27    Object.assign(pdfOptions, getPageOptions(printSize));28    await page.goto(`${initialUrl}?print-pdf`, { waitUntil: 'load' });29    await page.pdf(pdfOptions);30    await browser.close();31  } catch (err) {32    console.error(`Error while generating PDF for "${filename}"`);33    debug(err);34  }...

index.js

Source:index.js

...14 */15function createFactory({ puppeteerLaunchArgs, validate }) {16  const factory = {};17  factory.create = function createFn() {18    return puppeteer.launch(...puppeteerLaunchArgs);19  };20  factory.destroy = function destroyFn(browserInstance) {21    return browserInstance.close();22  };23  if (validate && typeof validate === 'function') {24    factory.validate = validate;25  }26  return factory;27}28/**29 *30 * @returns {*}31 * @param poolConfig32 */...

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch({headless: false});4  const page = await browser.newPage();5  await page.screenshot({path: 'example.png'});6  await browser.close();7})();8const puppeteer = require('puppeteer');9(async () => {10  const browser = await puppeteer.launch({headless: false});11  const page = await browser.newPage();12  await page.screenshot({path: 'example.png'});13  await browser.close();14})();15const puppeteer = require('puppeteer');16(async () => {17  const browser = await puppeteer.launch({headless: false});18  const page = await browser.newPage();19  await page.screenshot({path: 'example.png'});20  await browser.close();21})();22const puppeteer = require('puppeteer');23(async () => {24  const browser = await puppeteer.launch({headless: false});25  const page = await browser.newPage();26  await page.screenshot({path: 'example.png'});27  await browser.close();28})();29const puppeteer = require('puppeteer');30(async () => {31  const browser = await puppeteer.launch({headless: false});32  const page = await browser.newPage();33  await page.screenshot({path: 'example.png'});34  await browser.close();35})();36const puppeteer = require('puppeteer');37(async () => {38  const browser = await puppeteer.launch({headless: false});39  const page = await browser.newPage();40  await page.screenshot({path: 'example.png'});41  await browser.close();42})();43const puppeteer = require('puppeteer

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3    const browser = await puppeteer.launch({headless: false});4    const page = await browser.newPage();5})();6const puppeteer = require('puppeteer');7(async () => {8    const browser = await puppeteer.launch({headless: false});9    const page = await browser.newPage();10    await page.waitForSelector('video');11    await page.click('video');12    await page.waitFor(5000);

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3    const browser = await puppeteer.launch({headless: false});4    const page = await browser.newPage();5    await page.screenshot({path: 'google.png'});6    await browser.close();7})();8const puppeteer = require('puppeteer');9(async () => {10    const browser = await puppeteer.launch({headless: true});11    const page = await browser.newPage();12    await page.screenshot({path: 'google.png'});13    await browser.close();14})();

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3    const browser = await puppeteer.launch({headless: false});4    const page = await browser.newPage();5    await page.screenshot({path: 'example.png'});6    await browser.close();7})();8const puppeteer = require('puppeteer');9(async () => {10    const browser = await puppeteer.launch({headless: false});11    const page = await browser.newPage();12    const data = await page.evaluate(() => {13        const title = document.querySelector('title').innerText;14        const description = document.querySelector('meta[name="description"]').getAttribute('content');15        return {title, description}16    });17    console.log(data)18    await browser.close();19})();20const puppeteer = require('puppeteer');21(async () => {22    const browser = await puppeteer.launch({headless: false});23    const page = await browser.newPage();24    const title = await page.title();25    const description = await page.$eval('meta[name="description"]', element => element.getAttribute('content'));26    console.log(title, description)27    await browser.close();28})();

Using AI Code Generation

1const puppeteer = require('puppeteer');2const fs = require('fs');3(async () => {4  const browser = await puppeteer.launch();5  const page = await browser.newPage();6  await page.screenshot({path: 'screenshot.png'});7  await browser.close();8})();9const puppeteer = require('puppeteer');10const fs = require('fs');11(async () => {12  const browser = await puppeteer.launch();13  const page = await browser.newPage();14  await page.screenshot({path: 'screenshot.png'});15  await browser.close();16})();17const puppeteer = require('puppeteer');18const fs = require('fs');19(async () => {20  const browser = await puppeteer.launch();21  const page = await browser.newPage();22  await page.screenshot({path: 'screenshot.png'});23  await browser.close();24})();25const puppeteer = require('puppeteer');26const fs = require('fs');27(async () => {28  const browser = await puppeteer.launch();29  const page = await browser.newPage();30  await page.screenshot({path: 'screenshot.png'});31  await browser.close();32})();33const puppeteer = require('puppeteer');34const fs = require('fs');35(async () => {36  const browser = await puppeteer.launch();37  const page = await browser.newPage();38  await page.screenshot({path: 'screenshot.png'});39  await browser.close();40})();41const puppeteer = require('puppeteer');42const fs = require('fs');43(async () => {44  const browser = await puppeteer.launch();45  const page = await browser.newPage();46  await page.goto('

Using AI Code Generation

1const puppeteer = require('puppeteer');2const devices = require('puppeteer/DeviceDescriptors');3const iPhone = devices['iPhone 6'];4(async () => {5  const browser = await puppeteer.launch({6  });7  const page = await browser.newPage();8  await page.emulate(iPhone);9  await page.screenshot({path: 'google.png'});10  await browser.close();11})();12{13  "scripts": {14  },15  "dependencies": {16  }17}18const puppeteer = require('puppeteer');19const devices = require('puppeteer/DeviceDescriptors');20const iPhone = devices['iPhone 6'];

Using AI Code Generation

1const puppeteer = require('puppeteer');2async function getBrowser() {3try {4const browser = await puppeteer.launch({5});6return browser;7} catch (error) {8console.log(error);9}10}11module.exports = getBrowser;12const puppeteer = require('puppeteer');13async function getBrowser() {14try {15const browser = await puppeteer.launch({16});17return browser;18} catch (error) {19console.log(error);20}21}22module.exports = getBrowser;23const puppeteer = require('puppeteer');24async function getBrowser() {25try {26const browser = await puppeteer.launch({27});28return browser;29} catch (error) {30console.log(error);31}32}33module.exports = getBrowser;34const puppeteer = require('puppeteer');35async function getBrowser() {36try {37const browser = await puppeteer.launch({38});39return browser;40} catch (error) {41console.log(error);42}43}44module.exports = getBrowser;45const puppeteer = require('puppeteer');46async function getBrowser() {47try {48const browser = await puppeteer.launch({

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3const browser = await puppeteer.launch();4const page = await browser.newPage();5await page.screenshot({path: 'google.png'});6await browser.close();7})();8const puppeteer = require('puppeteer');9(async () => {10const browser = await puppeteer.launch();11const page = await browser.newPage();12await page.type('input[title="Search"]', 'puppeteer');13await page.click('input[value="Google Search"]');14await page.screenshot({path: 'google.png'});15await browser.close();16})();17const puppeteer = require('puppeteer');18(async () => {19const browser = await puppeteer.launch();20const page = await browser.newPage();21await page.type('input[title="Search"]', 'puppeteer');22await page.click('input[value="Google Search"]');23await page.waitForNavigation();24await page.screenshot({path: 'google.png'});

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