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. Include $HOME/.cache into the project's deployment.įor a version of Puppeteer without the browser installation, see 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 Puppeteer runs in headless mode by default, but can be configured to run in full ('headful') Chrome/Chromium. If you deploy a project using Puppeteer to a hosting provider, such as Render or Puppeteer is a Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol. The browser is downloaded to the $HOME/.cache/puppeteer folderīy default (starting with Puppeteer v19.0.0).

Puppeteer creates its own browser user profile which it cleans up on every run.When you install Puppeteer, it automatically downloads a recent version ofĬhrome for Testing (~170MB macOS, ~282MB Linux, ~280MB Windows) that is guaranteed to The implementation of a file downloader is pretty straightforward in this scenario. This article describes some differences for Linux users. Download files in Puppeteer with a click of a button In the fortunate case that the website you want to scrape files from uses buttons, then all you need to do is simulate the click event in Puppeteer. See this article for a description of the differences between Chromium and Chrome. See Puppeteer.launch() for more information. You can also use Puppeteer with Firefox Nightly (experimental support). const puppeteer = require ( 'puppeteer' ) Ĭonst browser = await puppeteer. You create an instance of Browser, open pages, and then manipulate them with Puppeteer's API.Įxample: navigating to and saving a screenshot as example.png: When installed, it downloads a version of Chromium, which it then drives using puppeteer-core. Puppeteer will be familiar to people using other browser testing frameworks. puppeteer is a product for browser automation.

All examples below use async/await which is only supported in Node v7.6.0 or greater. Starting from v3.0.0 Puppeteer starts to rely on Node 10.18.1+. With npm, Puppeteer, and any additional dependencies installed, your package.json file requires one last configuration before you start coding. Prior to v1.18.1, Puppeteer required at least Node v6.4.0.

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