mirror of
https://github.com/puppeteer/puppeteer
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58 lines
1.8 KiB
JavaScript
58 lines
1.8 KiB
JavaScript
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/**
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* Copyright 2017 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Search developers.google.com/web for articles tagged
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* "Headless Chrome" and scrape results from the results page.
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*/
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'use strict';
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const puppeteer = require('puppeteer');
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(async() => {
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const browser = await puppeteer.launch();
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const page = await browser.newPage();
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await page.goto('https://developers.google.com/web/');
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// Type into search box.
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await page.type('#searchbox input', 'Headless Chrome');
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// Wait for suggest overlay to appear and click "show all results".
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const allResultsSelector = '.devsite-suggest-all-results';
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await page.waitForSelector(allResultsSelector);
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await page.click(allResultsSelector);
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// Wait for the results page to load and display the results.
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const resultsSelector = '.gsc-results .gsc-thumbnail-inside a.gs-title';
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await page.waitForSelector(resultsSelector);
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// Extract the results from the page.
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const links = await page.evaluate(resultsSelector => {
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const anchors = Array.from(document.querySelectorAll(resultsSelector));
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return anchors.map(anchor => {
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const title = anchor.textContent.split('|')[0].trim();
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return `${title} - ${anchor.href}`;
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});
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}, resultsSelector);
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console.log(links.join('\n'));
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await browser.close();
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})();
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