JS style linting is a good thing and you should definitely adopt it if you plan to have a team work on a project or still want to maintain the project in a few years.

As for the rules, it is tempting to write your own ruleset, however, from my experience, it ends with you wasting a lot of time searching the docs for specific rules you want to set. I recommend looking for an existing style and overwriting rules you disagree with.

As for the JSSS, personally, I don't like it. I disagree with many rules, for example:

• I prefer 4 spaces for indentation, as is common for most programming languages
• Semicolons are important and provide a better overview across languages (especially they reduce all the rule exceptions you would have to remember and enforce)
• Trailing commas make git comparisons clean and nice

Instead of JSSS, I prefer the airbnb one with very few overwrites.

Yes, I use it on my side projects recently. Really good, you can have a try.🤓

I use it on all my projects and haven't experienced any issues with it. I Usually set it up as a npm script. Biggest advantage for me is not having to clutter up the project with additional configuration files. If it doesn't match what you completely then you can always extend it with your own configuration.