package ppx_css

Release v0.16.0

• ppx_css now works on browser versions that don't have access to CSSStyleSheet.

• ppx_css now supports CSS variables.

  • CSS variables are now hashed.
  • A function, Variables.set is generated whose signature is ?variable_name1:string -> ?variable_name2:string -> ... -> Vdom.Attr.t

• New flags to control hashing behavior. Syntax is [%css stylesheet {|...|} ~dont_hash:[] ~dont_hash_prefixes:[] ~rewrite:[]].

  • dont_hash: string list can be used to disable hashing behavior.
  • dont_hash_prefixes: string list can be used to disable hashing behavior based on a prefix.
  • rewrite: (string * string) list can be used to override hashing behavior by "rewriting" identifiers (e.g. ["a", "b"; "c", "d"] results in "a" being "rewritten" to "b" and "c" to "d").

Breaking changes:

• Renamed the callsite from [%css.raw {|...|}] to [%css stylesheet {|...|}].
• ppx_css used to generate OCaml strings val identifier : string, now the identifiers generate val identifier : Vdom.Attr.t. Where the attribute is applied with Vdom.Attr.class_ or Vdom.Attr.id depending on the identifier that was used. If there are classes and id's with the same name, <identifier>_id and <identifier>_class are generated instead. This was only done for convenience of users that use ppx_css alongside the library virtual_dom or bonsai_web that always called Vdom.Attr.class_ or Vdom.Attr.id. If you would like to still access the strings directly, they will be contained within newly generated For_referencing module.