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I want to create a scraper that:
My problem is that every new instance of headless browser clears my login session, and then I need to login again and again...
How to save it through instances? (using puppeteer with headless chrome)
Or how can I open already logged in chrome headless instance? (if I have already logged in in my main chrome window)
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Headless mode is a functionality that allows the execution of a full version of the latest Chrome browser while controlling it programmatically. It can be used on servers without dedicated graphics or display, meaning that it runs without its “head”, the Graphical User Interface (GUI).
As we have already seen, you just have to add the flag –headless when you launch the browser to be in headless mode. With CLI (Command Line Interface), just write: chrome \<br> – headless \ # Runs Chrome in headless mode. <br> – disable-gpu \ # Temporarily needed if running on Windows.
Headless Chrome is a way to run the Chrome browser in a headless environment without the full browser UI. One of the benefits of using Headless Chrome (as opposed to testing directly in Node) is that your JavaScript tests will be executed in the same environment as users of your site.
How to run Chrome in headless mode. In order to run your tests in headless mode, you will need to use the ChromeOptions as follows. ChromeOptions options = new ChromeOptions(); options. addArguments("--headless");
There is an option to save user data using the userDataDir option when launching puppeteer. This stores the session and other things related to launching chrome.
puppeteer.launch({ userDataDir: "./user_data" }); It doesn't go into great detail but here's a link to the docs for it: https://pptr.dev/#?product=Puppeteer&version=v1.6.1&show=api-puppeteerlaunchoptions
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