Puppeteer uses several defaults that can be customized through configurationįor example, to change the default cache directory Puppeteer uses to installīrowsers, you can add a. nadir added a commit to nadir/puppeteer that referenced this issue on Sep 29, 2021. jschfflr added the asked-for-pull-request label on Sep 24, 2021. Include $HOME/.cache into the project's deployment.įor a version of Puppeteer without the browser installation, see Set PUPPETEERDOWNLOADPATH with a relative path using an environment variable, npm config or. Your project folder (see an example below) because not all hosting providers Heroku, you might need to reconfigure the location of the cache to be within If you deploy a project using Puppeteer to a hosting provider, such as Render or The browser is downloaded to the $HOME/.cache/puppeteer folderīy default (starting with Puppeteer v19.0.0).
To wait for all downloads to complete with Puppeteer using request interception, you can use the request event to intercept all network requests made by the browser and track when they are finished.When you install Puppeteer, it automatically downloads a recent version ofĬhrome for Testing (~170MB macOS, ~282MB Linux, ~280MB Windows) that is guaranteed to Finally, we close the browser instance.īy using the download event, we can wait for all downloads to complete with Puppeteer in a reliable and efficient way. This gave me a good excuse to try and automate the process as much as possible using puppeteer. We then navigate to the page that initiates the download and wait for all downloads to complete using the waitForDownload method. Puppeteer - login and video download Friday, 15 January 2021 6 min read TL DR I needed to download a video that was behind a login screen. We add a listener to the download event to log when a download is completed. We then set the download behavior for the page to allow downloads and specify the download path. In this code, we first create a new browser instance using Puppeteer and a new page. send ( 'tDownloadBehavior', ) await page. This is a very common use case, and it can sometimes be mandatory to. Further reading: how to submit forms with Puppeteer. Once you have a solid understanding of Puppeteer’s API and how it fits together in the Node.js ecosystem you can come up with custom solutions best suited for you. One of the challenges when using Puppeteer is to wait for all downloads to complete before moving on to the next step of the script. There are many ways you can download files with Puppeteer. It is commonly used for web scraping, automation, and end-to-end testing. To skip the download, download into another path, or download a different browser, see Environment variables. Const puppeteer = require ( 'puppeteer' ) const browser = await puppeteer. Puppeteer is a popular Node.js library that provides a high-level API to control headless Chrome or Chromium browsers. When you install Puppeteer, it downloads a recent version of Chromium (170MB Mac, 282MB Linux, 280MB Win) that is guaranteed to work with the API.
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