plugins/languages: move to by-name

plugins/by-name/plantuml-syntax/default.nix

@@ -0,0 +1,44 @@
+{
+  lib,
+  helpers,
+  config,
+  pkgs,
+  ...
+}:
+with lib;
+{
+  options.plugins.plantuml-syntax = {
+    enable = mkEnableOption "plantuml syntax support";
+
+    package = lib.mkPackageOption pkgs "plantuml-syntax" {
+      default = [
+        "vimPlugins"
+        "plantuml-syntax"
+      ];
+    };
+
+    setMakeprg = mkOption {
+      type = types.bool;
+      default = true;
+      description = "Set the makeprg to 'plantuml'";
+    };
+    executableScript = mkOption {
+      type = types.nullOr types.str;
+      default = null;
+      description = "Set the script to be called with makeprg, default to 'plantuml' in PATH";
+    };
+  };
+
+  config =
+    let
+      cfg = config.plugins.plantuml-syntax;
+    in
+    mkIf cfg.enable {
+      extraPlugins = [ cfg.package ];
+
+      globals = {
+        plantuml_set_makeprg = cfg.setMakeprg;
+        plantuml_executable_script = cfg.executableScript;
+      };
+    };
+}