modules/diagnostics: rename source file

modules/diagnostics.nix

@@ -0,0 +1,26 @@
+{
+  lib,
+  helpers,
+  config,
+  ...
+}:
+with lib;
+{
+  options = {
+    diagnostics = mkOption {
+      type = with types; attrsOf anything;
+      default = { };
+      description = "The configuration diagnostic options, provided to `vim.diagnostic.config`.";
+      example = {
+        virtual_text = false;
+        virtual_lines.only_current_line = true;
+      };
+    };
+  };
+
+  config = {
+    extraConfigLuaPre = optionalString (config.diagnostics != { }) ''
+      vim.diagnostic.config(${helpers.toLuaObject config.diagnostics})
+    '';
+  };
+}