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Switching to firefox won´t work until you change the environment variable PUPPETEER_PRODUCT to firefox and reinstall puppeteer and download the firefox binaries. For any default puppeteer install only the chrome binaries will exist. Please notice that I can not just create a hello world project and set product: 'firefox' because the binaries does not exist and will not automatically downloaded. How can I download firefox and chrome binaries together? That I can easily switch the product value? client = await puppeteer.launch() // or product: 'chrome' I tried to run npm update after switching the PUPPETEER_PRODUCT environment variable however this doesn´t work and nothing gets updated. It will delete the firefox binaries and only install chrome again. However when I change it back to chrome and reinstall it: npm config set PUPPETEER_PRODUCT chrome npm i puppeteer Then inside of my project I run: npm i puppeteer puppeteerrc.cjs (or ´am able to download firefox binaries for my project by set the environment variable: npm config set PUPPETEER_PRODUCT firefox npm i puppeteer 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 Step 1 We have to first install Puppeteer for the Firefox browser by executing the below command npm install puppeteer-firefox Also, we have to add the Firefox-Puppeteer library in the code. Your project folder (see an example below) because not all hosting providers

Example - navigating to and saving a screenshot as example.png: Save. Heroku, you might need to reconfigure the location of the cache to be within To try out Puppeteer with Firefox in your project, run: npm i puppeteer-firefox or 'yarn add puppeteer-firefox' Note: When you install puppeteer-firefox, it downloads a custom-built Firefox (Firefox/63.0.4) that is guaranteed to work with the API. 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). When you install Puppeteer, it automatically downloads a recent version ofĬhrome for Testing (~170MB macOS, ~282MB Linux, ~280MB Windows) that is guaranteed to