plugin/openscad: init + tests (#293)

plugins/languages/openscad.nix

@@ -0,0 +1,78 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+} @ args:
+with lib; let
+  defaultFuzzyFinder = "skim";
+  helpers = import ../helpers.nix args;
+in {
+  options.plugins.openscad = {
+    enable = mkEnableOption "openscad.nvim, a plugin to manage OpenSCAD files";
+
+    package = helpers.mkPackageOption "openscad.nvim" pkgs.vimPlugins.openscad-nvim;
+
+    fuzzyFinder =
+      helpers.defaultNullOpts.mkEnum ["skim" "fzf"] defaultFuzzyFinder
+      "fuzzy finder to find documentation";
+
+    cheatsheetWindowBlend = helpers.defaultNullOpts.mkNullable (types.ints.between 0 100) "15" "";
+
+    loadSnippets = helpers.defaultNullOpts.mkBool false "";
+
+    autoOpen = helpers.defaultNullOpts.mkBool false "";
+
+    keymaps = {
+      enable = mkEnableOption "keymaps for openscad";
+
+      cheatsheetToggle = helpers.defaultNullOpts.mkStr "<Enter>" "Toggle cheatsheet window";
+
+      helpTrigger = helpers.defaultNullOpts.mkStr "<A-h>" "Fuzzy find help resource";
+
+      helpManualTrigger =
+        helpers.defaultNullOpts.mkStr "<A-m>"
+        "Open offline openscad manual in pdf via zathura";
+
+      execOpenSCADTrigger = helpers.defaultNullOpts.mkStr "<A-o>" "Open file in OpenSCAD";
+
+      topToggle =
+        helpers.defaultNullOpts.mkStr "<A-c>"
+        "toggle htop filtered for openscad processes";
+    };
+  };
+
+  config = let
+    cfg = config.plugins.openscad;
+    fuzzyFinder =
+      if isNull cfg.fuzzyFinder
+      then defaultFuzzyFinder
+      else cfg.fuzzyFinder;
+  in
+    mkIf cfg.enable {
+      extraPlugins = with pkgs.vimPlugins;
+        [cfg.package]
+        ++ (optional (fuzzyFinder == "skim") skim-vim)
+        ++ (optional (fuzzyFinder == "fzf") fzf-vim);
+
+      extraConfigLua = ''
+        require('openscad')
+      '';
+
+      globals = mkMerge [
+        {
+          openscad_fuzzy_finder = cfg.fuzzyFinder;
+          openscad_cheatsheet_window_blend = cfg.cheatsheetWindowBlend;
+          openscad_load_snippets = cfg.loadSnippets;
+        }
+        (mkIf cfg.keymaps.enable {
+          openscad_default_mappings = true;
+          openscad_cheatsheet_toggle_key = cfg.keymaps.cheatsheetToggle;
+          openscad_help_trig_key = cfg.keymaps.helpTrigger;
+          openscad_help_manual_trig_key = cfg.keymaps.helpManualTrigger;
+          openscad_exec_openscad_trig_key = cfg.keymaps.execOpenSCADTrigger;
+          openscad_top_toggle = cfg.keymaps.topToggle;
+        })
+      ];
+    };
+}