How to use registerCustomQueryHandler method in Puppeteer

Best JavaScript code snippet using puppeteer

Puppeteer.js

Source:Puppeteer.js

...100     * expected by prepending the selection string with `<name>/`. The name is101     * only allowed to consist of lower- and upper case latin letters.102     * @example103     * ```104     * puppeteer.registerCustomQueryHandler('text', { â¦ });105     * const aHandle = await page.$('text/â¦');106     * ```107     * @param name - The name that the custom query handler will be registered under.108     * @param queryHandler - The {@link CustomQueryHandler | custom query handler} to109     * register.110     */111    registerCustomQueryHandler(name, queryHandler) {112        registerCustomQueryHandler(name, queryHandler);113    }114    /**115     * @param name - The name of the query handler to unregistered.116     */117    unregisterCustomQueryHandler(name) {118        unregisterCustomQueryHandler(name);119    }120    /**121     * @returns a list with the names of all registered custom query handlers.122     */123    customQueryHandlerNames() {124        return customQueryHandlerNames();125    }126    /**127     * Clears all registered handlers.128     */129    clearCustomQueryHandlers() {130        clearCustomQueryHandlers();131    }132}

QueryHandler.js

Source:QueryHandler.js

...16 */17Object.defineProperty(exports, "__esModule", { value: true });18exports.getQueryHandlerAndSelector = exports.clearQueryHandlers = exports.customQueryHandlers = exports.unregisterCustomQueryHandler = exports.registerCustomQueryHandler = void 0;19const _customQueryHandlers = new Map();20function registerCustomQueryHandler(name, handler) {21    if (_customQueryHandlers.get(name))22        throw new Error(`A custom query handler named "${name}" already exists`);23    const isValidName = /^[a-zA-Z]+$/.test(name);24    if (!isValidName)25        throw new Error(`Custom query handler names may only contain [a-zA-Z]`);26    _customQueryHandlers.set(name, handler);27}28exports.registerCustomQueryHandler = registerCustomQueryHandler;29/**30 * @param {string} name31 */32function unregisterCustomQueryHandler(name) {33    _customQueryHandlers.delete(name);34}35exports.unregisterCustomQueryHandler = unregisterCustomQueryHandler;36function customQueryHandlers() {37    return _customQueryHandlers;38}39exports.customQueryHandlers = customQueryHandlers;40function clearQueryHandlers() {41    _customQueryHandlers.clear();42}43exports.clearQueryHandlers = clearQueryHandlers;44function getQueryHandlerAndSelector(selector, defaultQueryHandler) {45    const hasCustomQueryHandler = /^[a-zA-Z]+\//.test(selector);46    if (!hasCustomQueryHandler)...

google_login.js

Source:google_login.js

...7(async () => {8  var email = "Your Email"; //email used for signup and login9  var password = "Your Password"; // default password for all the accounts10  var name = "ATESTER"; //default name for all accounts11  //   await puppeteer.registerCustomQueryHandler("shadow", QueryHandler);12  const browser = await puppeteer.launch({13    headless: false,14    ignoreDefaultArgs: ["--enable-automation"],15    defaultViewport: null,16    args: [17      "--start-maximized",18      "--no-sandbox",19      "--disable-setuid-sandbox",20      "--disable-web-security",21      "--disable-automation",22    ],23  });24  const context = await browser.createIncognitoBrowserContext();25  // Create a new page in a pristine context....

bootstrap.js

Source:bootstrap.js

...20}2122/* call the before for puppeteer for execute this code before start testing */23before (async () => {24	await puppeteer.registerCustomQueryHandler('shadow', QueryHandler);25  global.expect = expect;26  global.browser = await puppeteer.launch(opts);27  });2829/* call the function after puppeteer done testing */30after ( () => {31  browser.close();32  setTimeout( () => { cmd.run('node server.js');}, 5000);    33  setTimeout(() => {opn('http://localhost:9988');}, 2000);34  global.browser = globalVariables.browser;35  global.expect = globalVariables.expect;
...

PedidoRoutes.js

Source:PedidoRoutes.js

1const { Router } = require( 'express' );2const { registerCustomQueryHandler } = require('puppeteer');3const router = Router();4const pedidoController = require('../controllers/PedidoController')5router.route('/').get(pedidoController.getAll);6router.route('/getPedido/:id').get(pedidoController.getOne);7router.route('/create').post(pedidoController.createPedido);8router.route('/getPedidoReservabyID').post(pedidoController.getPedidoReservabyId);9router.route('/admin/reservas').get(pedidoController.getPedidoParaReservar);10router.route('/admin/dashboard').get(pedidoController.GetDashboardPedidos);11router.route('/admin/pedidoEnviar').post(pedidoController.EnviarPedido);12router.route('/admin/constanciaConvertURL').post(pedidoController.ConstanciaEnviotoURL);...

typing-to-elements.js

Source:typing-to-elements.js

1const puppeteer = require('puppeteer');2const {  QueryHandler } = require("query-selector-shadow-dom/plugins/puppeteer");3(async () => {4    try {5        await puppeteer.registerCustomQueryHandler('shadow', QueryHandler);6        const browser = await puppeteer.launch({7            headless: false8        })9        const page = await browser.newPage()10        await page.goto('http://127.0.0.1:5500/test/')11        const inputElement = await page.waitForSelector("shadow/#type-to-input");12        await inputElement.type("Typed text to input");13        const value = await page.evaluate(inputElement => inputElement.value, inputElement);14        console.log("Value", value);15        await browser.close()16    } catch (e) {17        console.error(e);18    }19})()

custom-engine.js

Source:custom-engine.js

1const {  QueryHandler } = require("query-selector-shadow-dom/plugins/puppeteer");2const puppeteer = require('puppeteer');3const main = async () => {4  await puppeteer.registerCustomQueryHandler('shadow', QueryHandler);5  const browser = await puppeteer.chromium.launch({ headless: false});6  const context = await browser.newContext({ viewport: null });7  const page = await context.newPage();8  await page.goto('chrome://downloads');9  const element = await page.waitForSelector('shadow/div', {timeout: 3000});10  const span = await element.$$("shadow/div > .illustration + span");11  console.log(span);12  await new Promise(resolve => setTimeout(resolve, 3000));13  await page.close()14  await context.close()15  await browser.close()16}...

puppeteer-environment.js

Source:puppeteer-environment.js

...3const JestPuppeteerEnvironment = require('jest-environment-puppeteer');4class PuppeteerEnvironment extends JestPuppeteerEnvironment {5  async setup() {6    await super.setup();7    puppeteer.registerCustomQueryHandler('role', queryHandler);8  }9}...

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.waitForSelector('input[title="Search"]');6  await page.type('input[title="Search"]', 'puppeteer');7  await page.keyboard.press('Enter');8  await page.waitForNavigation();9  await page.screenshot({path: 'google.png'});10  await browser.close();11})();

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.setRequestInterception(true);6  await page.on('request', request => {7    if (request.resourceType() === 'image')8      request.abort();9      request.continue();10  });11  await page.screenshot({path: 'google.png'});12  await browser.close();13})();14const puppeteer = require('puppeteer');15(async () => {16  const browser = await puppeteer.launch();17  const page = await browser.newPage();18  await page.setRequestInterception(true);19  await page.on('request', request => {20    if (request.resourceType() === 'image')21      request.abort();22      request.continue();23  });24  await page.screenshot({path: 'google.png'});25  await browser.close();26})();27const puppeteer = require('puppeteer');28(async () => {29  const browser = await puppeteer.launch();30  const page = await browser.newPage();31  await page.setRequestInterception(true);32  await page.on('request', request => {33    if (request.resourceType() === 'image')34      request.abort();35      request.continue();36  });37  await page.screenshot({path: 'google.png'});38  await browser.close();39})();40const puppeteer = require('puppeteer');41(async () => {42  const browser = await puppeteer.launch();43  const page = await browser.newPage();44  await page.setRequestInterception(true);45  await page.on('request', request => {46    if (request.resourceType() === 'image')47      request.abort();48      request.continue();49  });50  await page.screenshot({path: 'google.png'});51  await browser.close();52})();

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3    const browser = await puppeteer.launch();4    const page = await browser.newPage();5    page.on('console', msg => console.log(msg.text()));6    await page.registerCustomQueryHandler('byText', (element, text) => {7        if (element.textContent.includes(text))8            return true;9        return false;10    });11    await page.evaluate(() => {12        console.log('before click');13        document.querySelector('button').click();14        console.log('after click');15    });16    await page.waitFor(3000);17    await browser.close();18})();19        document.querySelector('button').addEventListener('click', () => {20            console.log('Clicked!');21        });

Using AI Code Generation

1const puppeteer = require('puppeteer');2puppeteer.launch().then(async browser => {3    const page = await browser.newPage();4    await page.type('#lst-ib', 'puppeteer');5    await page.click('input[name="btnK"]');6    await page.waitForNavigation();7    await page.screenshot({path: 'google.png'});8    await browser.close();9});10const puppeteer = require('puppeteer');11puppeteer.launch().then(async browser => {12    const page = await browser.newPage();13    await page.type('#lst-ib', 'puppeteer');14    await page.click('input[name="btnK"]');15    await page.waitForNavigation();16    await page.screenshot({path: 'google.png'});17    await browser.close();18});19const puppeteer = require('puppeteer');20puppeteer.launch().then(async browser => {21    const page = await browser.newPage();22    await page.type('#lst-ib', 'puppeteer');23    await page.click('input[name="btnK"]');24    await page.waitForNavigation();25    await page.screenshot({path: 'google.png'});26    await browser.close();27});28const puppeteer = require('puppeteer');29puppeteer.launch().then(async browser => {30    const page = await browser.newPage();31    await page.type('#lst-ib', 'puppeteer');32    await page.click('input[name="btnK"]');33    await page.waitForNavigation();34    await page.screenshot({path: 'google.png'});35    await browser.close();36});37const puppeteer = require('puppeteer');38puppeteer.launch().then(async browser => {39    const page = await browser.newPage();40    await page.type('#lst-ib', 'puppeteer');41    await page.click('input[name="btnK"]');

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.goto(url);6  await page.waitForSelector('h1');7  const title = await page.evaluate(() => document.querySelector('h1').innerText);8  console.log(title);9  await browser.close();10})();11const express = require('express');12const app = express();13const port = 3000;14app.get('/', (req, res) => {15  res.send('Hello World!');16});17app.listen(port, () => {18});19{20  "scripts": {21  },22  "dependencies": {23  }24}25const puppeteer = require('puppeteer');26(async () => {27  const browser = await puppeteer.launch({ headless: false });28  const page = await browser.newPage();29  await page.goto(url);30  await page.waitForSelector('h1');31  const title = await page.evaluate(() => document.querySelector('h1').innerText);32  console.log(title);33  await browser.close();34})();35const express = require('express');36const app = express();37const port = 3000;38app.get('/', (req, res) => {39  res.send('Hello World!');40});41app.listen(port, () => {42});43{

Using AI Code Generation

1const puppeteer = require('puppeteer');2const fs = require('fs');3const path = require('path');4const { promisify } = require('util');5const writeFile = promisify(fs.writeFile);6(async () => {7  const browser = await puppeteer.launch();8  const page = await browser.newPage();9  await page.exposeFunction('writeFile', writeFile);10  await page.evaluateOnNewDocument(() => {11    window.registerCustomQueryHandler('writeFile', (path, contents) => {12      return window.writeFile(path, contents);13    });14  });15  await page.evaluate(async () => {16    await window.__playwright__customQuery('writeFile', 'foo.txt', 'Hello, world!');17  });18  await browser.close();19})();20const playwright = require('playwright');21const fs = require('fs');22const path = require('path');23const { promisify } = require('util');24const writeFile = promisify(fs.writeFile);25(async () => {26  const browser = await playwright.chromium.launch();27  const context = await browser.newContext();28  await context.exposeFunction('writeFile', writeFile);29  await context.evaluateOnNewDocument(() => {30    window.registerCustomQueryHandler('writeFile', (path, contents) => {31      return window.writeFile(path, contents);32    });33  });34  await context.evaluate(async () => {35    await window.__playwright__customQuery('writeFile', 'foo.txt', 'Hello, world!');36  });37  await browser.close();38})();39const puppeteer = require('puppeteer');40const fs = require('fs');41const path = require('path');42const { promisify } = require('util');43const writeFile = promisify(fs.writeFile);44(async () => {45  const browser = await puppeteer.launch();46  const page = await browser.newPage();47  await page.exposeFunction('writeFile', writeFile);48  await page.evaluateOnNewDocument(() => {49    window.registerCustomQueryHandler('writeFile', (path, contents) => {50      return window.writeFile(path, contents);51    });52  });

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