plugins/nvim-cmp: refactoring (init filetype and cmdline options)

plugins/completion/cmp/default.nix

@@ -0,0 +1,83 @@
+{
+  lib,
+  helpers,
+  pkgs,
+  config,
+  ...
+} @ args: let
+  cmpOptions = import ./options {inherit lib helpers;};
+in
+  with lib;
+    helpers.neovim-plugin.mkNeovimPlugin config {
+      name = "cmp";
+      originalName = "nvim-cmp";
+      defaultPackage = pkgs.vimPlugins.nvim-cmp;
+
+      maintainers = [maintainers.GaetanLepage];
+
+      # Introduced on 2024 February 21
+      # TODO: remove ~June 2024
+      imports = [
+        ./deprecations.nix
+        ./sources
+      ];
+      deprecateExtraOptions = true;
+
+      extraOptions = {
+        autoEnableSources = mkOption {
+          type = types.bool;
+          default = true;
+          description = ''
+            Scans the sources array and installs the plugins if they are known to nixvim.
+          '';
+        };
+
+        inherit (cmpOptions) filetype cmdline;
+      };
+
+      inherit (cmpOptions) settingsOptions settingsExample;
+
+      callSetup = false;
+      extraConfig = cfg: {
+        warnings = optional (cfg.autoEnableSources && (helpers.nixvimTypes.isRawType cfg.settings.sources)) ''
+          Nixvim (plugins.cmp): You have enabled `autoEnableSources` that tells Nixvim to automatically
+          enable the source plugins with respect to the list of sources provided in `settings.sources`.
+          However, the latter is proveded as a raw lua string which is not parseable by Nixvim.
+
+          If you want to keep using raw lua for defining your sources:
+          - Ensure you enable the relevant plugins manually in your configuration;
+          - Dismiss this warning by explicitly setting `autoEnableSources` to `false`;
+        '';
+
+        extraConfigLua =
+          ''
+            local cmp = require('cmp')
+            cmp.setup(${helpers.toLuaObject cfg.settings})
+
+          ''
+          + (
+            concatStringsSep "\n"
+            (
+              mapAttrsToList
+              (
+                filetype: settings: "cmp.setup.filetype('${filetype}', ${helpers.toLuaObject settings})\n"
+              )
+              cfg.filetype
+            )
+          )
+          + (
+            concatStringsSep "\n"
+            (
+              mapAttrsToList
+              (
+                cmdtype: settings: "cmp.setup.cmdline('${cmdtype}', ${helpers.toLuaObject settings})\n"
+              )
+              cfg.cmdline
+            )
+          );
+
+        # If autoEnableSources is set to true, figure out which are provided by the user
+        # and enable the corresponding plugins.
+        plugins = (import ./cmp-helpers.nix args).autoInstallSourcePluginsModule cfg;
+      };
+    }