feat(tailwind): allow for custom options in LSP (example with cva)

docs/release-notes/rl-0.8.md

@@ -510,3 +510,8 @@
 
 - Add inline typst concealing support under `vim.languages.typst` using
   [typst-concealer].
+
+[Shyrogan](https://github.com/Shyrogan):
+
+- Add `vim.languages.tailwind.lsp.opts` option to Tailwind (for third party such as 
+  [cva](https://beta.cva.style/)) along an example on how to use it.

modules/plugins/languages/tailwind.nix

@@ -21,6 +21,11 @@
         lspconfig.tailwindcss.setup {
           capabilities = capabilities;
           on_attach = default_on_attach;
+          settings = {
+            tailwindCSS = {
+              ${cfg.lsp.opts}
+            },
+          },
           cmd = ${
           if isList cfg.lsp.package
           then expToLua cfg.lsp.package
@@ -49,6 +54,19 @@ in {
         type = either package (listOf str);
         default = servers.${cfg.lsp.server}.package;
       };
+
+      opts = mkOption {
+        description = "Options to pass to tailwindcss-lsp";
+        type = str;
+        default = "";
+        example = ''
+          experimental = {
+            classRegex = {
+              { "cva\\(([^)]*)\\)", "[\"'`]([^\"'`]+)[\"'`]" },
+            },
+          },
+        '';
+      };
     };
   };