(rule
 (alias demo)
 (deps
  server/server.exe
  (alias_rec client))
 (action
  (progn
   ; we want dune to write the file but not attach any fsevents listeners to it,
   ; so that watchexec can read from it without issues.
   ; this means no (target), no (with-stdout-to), just a bash command with stdout
   ; redirect inside a string
   (bash "date > %{project_root}/.running/built_at.txt"))))

(alias
 (name default)
 (deps (alias demo)))

(install
 (section bin)
 (files
  ("./js/node_modules/@tailwindcss/cli/dist/index.mjs" as tailwind)))

(rule
 (target output.css)
 (alias client)
 (deps
  (source_tree ./)
  (source_tree ./server)
  (:config js/tailwind.config.js)
  (:input js/styles.css))
 (action
  (progn
   (run tailwind --config=%{config} --input=%{input} --output=%{target}))))