eslint and typescript are the de-facto static analysis tools for JavaScript. TypeScript isn't extensible. So if you want to do any custom static analysis, you'r

eslint and typescript are the de-facto static analysis tools for JavaScript. TypeScript isn't extensible. So if you want to do any custom static analysis, you're doing it as a custom eslint plugin. It might be better to have some other tool to do pluggable static analysis, but the fact is that there isn't one. And eschewing project-specific static analysis entirely would be giving up far too much.