This package changes text from camelCase to dash-case to snake_case.
We recommend binding the following keys:

(bind-key "M-C" #'caser-camelcase-dwim)
(bind-key "M-S" #'caser-snakecase-dwim)
(bind-key "M-D" #'caser-dashcase-dwim)

The code is at https://hg.sr.ht/~zck/caser.el
CI is at https://builds.sr.ht/~zck/caser.el