To get additional logging about which browser binary is executed, run this example as: Bynens links to an example of Firefox automation with Puppeteer, whose excerpt is as follows: To have Puppeteer fetch a Firefox binary for you, first run: Puppeteer can now fetch a Firefox Nightly binary. With Firefox support transitioning to the puppeteer package, the puppeteer-firefox package has been deprecated. Playwright nears the release its first major version with 99% of tests passing (in v0.13).
Both developers have since moved to Microsoft working on Playwright, a concurrent cross-browser automation Node.js library which supports all major browser engines ( Chromium, WebKit and Firefox) in a single API. Google announced in passing a first effort (code-named puppeteer-firefox) to support Mozilla’s browser at Google I/O ’19 in the Modern Web Testing and Automation with Puppeteer (Google I/O ’19) talk by Andrey Lushnikov and Joel Einbinder. Puppeteer 3.0, however, additionally supports Firefox, a move that is poised to increase its usage for cross-browser testing purposes. While Puppeteer 2.0 supported Chrome 79 and deprecated Node 6, Puppeteer 3.0 supports the latest Chrome browser ( Chrome 81) and no longer supports Node 8. As such, new versions of Puppeteer are often linked to new versions of the Chrome browser and the deprecation of old Node.js versions.
Puppeteer is a browser test automation Node.js library that provides a high-level API to control headless Chrome or Chromium over the DevTools Protocol. The new version also upgraded support to the latest Chrome 81, and removed support for Node 8. Puppeteer now supports Firefox in addition to the Chrome browser.
Switching to firefox won´t work until you change the environment variable PUPPETEER_PRODUCT to firefox and reinstall puppeteer and download the firefox binaries.Mathias Bynens, Google developer working on ChromeDevTools and v8, released Puppeteer 3.0. 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
I´am able to download firefox binaries for my project by set the environment variable: npm config set PUPPETEER_PRODUCT firefox npm i puppeteer
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