dev: rebase on a less personalized neovim flake

modules/visuals/config.nix

@@ -0,0 +1,28 @@
+{ pkgs
+, config
+, lib
+, ...
+}:
+with lib; {
+  config = {
+    vim.visuals = {
+      enable = mkDefault false;
+
+      nvimWebDevicons.enable = mkDefault false;
+      lspkind.enable = mkDefault false;
+
+      cursorWordline = {
+        enable = mkDefault false;
+        lineTimeout = mkDefault 500;
+      };
+
+      indentBlankline = {
+        enable = mkDefault false;
+        listChar = mkDefault "│";
+        fillChar = mkDefault "⋅";
+        eolChar = mkDefault "↴";
+        showCurrContext = mkDefault true;
+      };
+    };
+  };
+}

modules/visuals/default.nix

@@ -0,0 +1,11 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}: {
+  imports = [
+    ./config.nix
+    ./visuals.nix
+  ];
+}

modules/visuals/visuals.nix

@@ -0,0 +1,135 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}:
+with lib;
+with builtins; let
+  cfg = config.vim.visuals;
+in {
+  options.vim.visuals = {
+    enable = mkOption {
+      type = types.bool;
+      description = "visual enhancements";
+    };
+
+    nvimWebDevicons.enable = mkOption {
+      type = types.bool;
+      description = "enable dev icons. required for certain plugins [nvim-web-devicons]";
+    };
+
+    lspkind.enable = mkOption {
+      type = types.bool;
+      description = "enable vscode-like pictograms for lsp [lspkind]";
+    };
+
+    cursorWordline = {
+      enable = mkOption {
+        type = types.bool;
+        description = "enable word and delayed line highlight [nvim-cursorline]";
+      };
+
+      lineTimeout = mkOption {
+        type = types.int;
+        description = "time in milliseconds for cursorline to appear";
+      };
+    };
+
+    indentBlankline = {
+      enable = mkOption {
+        type = types.bool;
+        description = "enable indentation guides [indent-blankline]";
+      };
+
+      listChar = mkOption {
+        type = types.str;
+        description = "Character for indentation line";
+      };
+
+      fillChar = mkOption {
+        type = types.str;
+        description = "Character to fill indents";
+      };
+
+      eolChar = mkOption {
+        type = types.str;
+        description = "Character at end of line";
+      };
+
+      showCurrContext = mkOption {
+        type = types.bool;
+        description = "Highlight current context from treesitter";
+      };
+    };
+  };
+
+  config =
+    mkIf cfg.enable
+    {
+      vim.startPlugins = [
+        (
+          if cfg.nvimWebDevicons.enable
+          then "nvim-web-devicons"
+          else null
+        )
+        (
+          if cfg.lspkind.enable
+          then "lspkind"
+          else null
+        )
+        (
+          if cfg.cursorWordline.enable
+          then "nvim-cursorline"
+          else null
+        )
+        (
+          if cfg.indentBlankline.enable
+          then "indent-blankline"
+          else null
+        )
+      ];
+
+      vim.luaConfigRC.visuals = nvim.dag.entryAnywhere ''
+        ${
+          if cfg.lspkind.enable
+          then "require'lspkind'.init()"
+          else ""
+        }
+        ${
+          if cfg.indentBlankline.enable
+          then ''
+            -- highlight error: https://github.com/lukas-reineke/indent-blankline.nvim/issues/59
+            vim.wo.colorcolumn = "99999"
+            vim.opt.list = true
+
+
+            ${
+              if cfg.indentBlankline.eolChar == ""
+              then ""
+              else ''vim.opt.listchars:append({ eol = "${cfg.indentBlankline.eolChar}" })''
+            }
+
+            ${
+              if cfg.indentBlankline.fillChar == ""
+              then ""
+              else ''vim.opt.listchars:append({ space = "${cfg.indentBlankline.fillChar}"})''
+            }
+
+            require("indent_blankline").setup {
+              char = "${cfg.indentBlankline.listChar}",
+              show_current_context = ${boolToString cfg.indentBlankline.showCurrContext},
+              show_end_of_line = true,
+            }
+          ''
+          else ""
+        }
+
+        ${
+          if cfg.cursorWordline.enable
+          then "vim.g.cursorline_timeout = ${toString cfg.cursorWordline.lineTimeout}"
+          else ""
+        }
+      '';
+    };
+}