F95API/app/scripts/puppeteer-helper.js

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'use strict';
// Public modules from npm
const puppeteer = require('puppeteer');
// Modules from file
const shared = require('./shared.js');
/**
* @protected
* Create a Chromium instance used to navigate with Puppeteer.
* By default the browser is headless.
* @returns {Promise<puppeteer.Browser>} Created browser
*/
module.exports.prepareBrowser = async function() {
// Create a headless browser
let browser = await puppeteer.launch({
headless: !shared.debug, // Use GUI when debug = true
});
return browser;
}
/**
* @protected
* Prepare a page used to navigate the browser.
* The page is set up to reject image download requests. The user agent is also changed.
* @param {puppeteer.Browser} browser Browser to use when navigating where the page will be created
* @returns {Promise<puppeteer.Page>} New page
*/
module.exports.preparePage = async function(browser) {
// Create new page in the browser argument
let page = await browser.newPage();
// Block image download
await page.setRequestInterception(true);
page.on('request', (request) => {
if (request.resourceType() === 'image') request.abort();
// else if(request.resourceType == 'font') request.abort();
// else if(request.resourceType == 'media') request.abort();
else request.continue();
});
// Set custom user-agent
let userAgent = 'Mozilla/5.0 (X11; Linux x86_64)' +
'AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.39 Safari/537.36';
await page.setUserAgent(userAgent);
return page;
}