Need "lint" functionality for jsonnet / lib sonnet config files

[StevenCTimm]

Need a syntax checker for jsonnet /libsonnet configuration files.
Ideally available both in text editors and as a hook when said files are committed to git.

[StevenCTimm]

Pat mentions that jsonnetfmt utility will alert on outright syntax errors.
It's available in EPEL as part of the "Jsonnet" rpm. Works from the command line but not
in vim or emacs.
How I hook that into the gitlab config repo is another thing altogether.
And it doesn't cover the cases of wrong parameter names, etc.