I use VS Code for my Visual Studio Magazine articles and have customized my environment to do this in HTML files, but I've always wanted quick-hit macros to automate tedious tasks. That's "quick hit" ...

It’s a code editor where you can write codes to support debugging, task running, and version control. It is also available for Mac, which makes it easy to deal with HTML/JS/CSS, i.e. client-side ...

Believe it or not you can use Microsoft's Visual Studio Code from your web browser, or at least, versions of it.