Puppeteer 2.1.0, with native Firefox support

Late January Puppeteer 2.1.0 got released, with native support for Firefox: The launcher now has an option to run Puppeteer with different browsers, starting with Firefox. Puppeteer can now talk to a real, unpatched Firefox binary. This is a first step towards eventually deprecating the separate puppeteer-firefox package in favor of supporting Firefox directly in […]

Wombat Dressing Room, an npm publication proxy on GCP

When automating the publishing of an NPM package, 2FA can get in the way, as you can’t really automate entering a 2FA auth code off a cellphone. Enter Wombat Dressing Room from Google: With Wombat Dressing Room, rather than an individual configuring two factor authentication in an authenticator app, 2FA is managed by a shared […]

Programmatically add scripts to package.json with npm-add-script

Recently I needed to automate the addition of the addition of a script defined in a package.json‘s scripts section. To do this I used npm-add-script (an older, but still functioning project), along with the aforementioned npx. For example, to add a script labelled start with the contents webpack-dev-server –config ./config/webpack.config.babel.js –env.MODE=development –open –hot, I use: […]

Automatically set up your Mac and configure macOS using ./freshinstall

Recently I configured my new MacBook Pro. I decided to start with a clean slate and not migrate anything from my old MacBook. To configure macOS I whipped up ./freshinstall, which automates that process. Steps included are: Configure macOS Preferences and the like Generate and load SSH keys Install the essentials: XCode, Git, Homebrew Copy […]

Puppeteer – Headless Chrome Node API

Puppeteer is a Node library which provides a high-level API to control headless Chrome over the DevTools Protocol. It can also be configured to use full (non-headless) Chrome. const puppeteer = require(‘puppeteer’); (async () => { const browser = await puppeteer.launch(); const page = await browser.newPage(); await page.goto(‘https://example.com’); await page.screenshot({path: ‘example.png’}); browser.close(); })(); Puppeteer – […]

Chromeless Playground: Chrome Automation Made Simple

With Chrome 59 came the ability to run a Headless Chrome. Controlling it via code isn’t that easy nor elegant. Enter Chromeless (not be confused with Mozilla’s Chromeless): With Chromeless you can control Chrome (open website, click elements, fill out forms…) using an elegant API. This is useful for integration tests or any other scenario […]

SlimerJS β€” A scriptable browser for Web developers

SlimerJS allows you to interact with a web page through an external JS script. It is useful to do functional tests, page automation, network monitoring, screen capture, etc. webpage .open(url) // loads a page .then(function(){ // executed after loading // store a screenshot of the page webpage.viewportSize = { width:650, height:320 }; webpage.render(‘page.png’, {onlyViewport:true}); // […]