From 395836480995d418b96df527ebded1bc4b3134f0 Mon Sep 17 00:00:00 2001
From: Gustavo Araiza <57430880+garaiza-93@users.noreply.github.com>
Date: Fri, 26 Jan 2024 11:31:34 -0600
Subject: [PATCH] plugins/haskell-scope-highlighting: init + test
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

Add warning for Treesitter dependency

Co-authored-by: Gaétan Lepage <33058747+GaetanLepage@users.noreply.github.com>

add test for highlights, add package

tweak warning message

enable treesitter in tests

suggested change
---
 plugins/default.nix                           |  5 ++--
 .../languages/haskell-scope-highlighting.nix  | 24 +++++++++++++++++++
 .../languages/haskell-scope-highlighting.nix  | 24 +++++++++++++++++++
 3 files changed, 51 insertions(+), 2 deletions(-)
 create mode 100644 plugins/languages/haskell-scope-highlighting.nix
 create mode 100644 tests/test-sources/plugins/languages/haskell-scope-highlighting.nix

diff --git a/plugins/default.nix b/plugins/default.nix
index 6ae13fca..6af2d661 100644
--- a/plugins/default.nix
+++ b/plugins/default.nix
@@ -46,6 +46,7 @@
 
     ./languages/clangd-extensions.nix
     ./languages/debugprint.nix
+    ./languages/haskell-scope-highlighting.nix
     ./languages/julia/julia-cell.nix
     ./languages/lean.nix
     ./languages/ledger.nix
@@ -61,15 +62,15 @@
     ./languages/tagbar.nix
     ./languages/treesitter/hmts.nix
     ./languages/treesitter/rainbow-delimiters.nix
-    ./languages/treesitter/treesitter.nix
     ./languages/treesitter/treesitter-context.nix
     ./languages/treesitter/treesitter-playground.nix
     ./languages/treesitter/treesitter-refactor.nix
     ./languages/treesitter/treesitter-textobjects.nix
+    ./languages/treesitter/treesitter.nix
     ./languages/treesitter/ts-autotag.nix
     ./languages/treesitter/ts-context-commentstring.nix
-    ./languages/typst/typst-vim.nix
     ./languages/typescript-tools.nix
+    ./languages/typst/typst-vim.nix
     ./languages/vim-slime.nix
     ./languages/vimtex.nix
     ./languages/zig.nix
diff --git a/plugins/languages/haskell-scope-highlighting.nix b/plugins/languages/haskell-scope-highlighting.nix
new file mode 100644
index 00000000..ca9ec9d1
--- /dev/null
+++ b/plugins/languages/haskell-scope-highlighting.nix
@@ -0,0 +1,24 @@
+{
+  lib,
+  pkgs,
+  helpers,
+  config,
+  ...
+}:
+with lib; let
+  cfg = config.plugins.haskell-scope-highlighting;
+in {
+  options.plugins.haskell-scope-highlighting = {
+    enable = mkEnableOption "haskell-scope-highlighting";
+
+    package = helpers.mkPackageOption "haskell-scope-highlighting" pkgs.vimPlugins.haskell-scope-highlighting-nvim;
+  };
+
+  config = mkIf cfg.enable {
+    warnings = optional (!config.plugins.treesitter.enable) ''
+      Nixvim (plugins.haskell-scope-highlighting): haskell-scope-highlighting needs treesitter to function as intended. Please, enable it by setting `plugins.treesitter.enable` to `true`.
+    '';
+
+    extraPlugins = [cfg.package];
+  };
+}
diff --git a/tests/test-sources/plugins/languages/haskell-scope-highlighting.nix b/tests/test-sources/plugins/languages/haskell-scope-highlighting.nix
new file mode 100644
index 00000000..ce0de516
--- /dev/null
+++ b/tests/test-sources/plugins/languages/haskell-scope-highlighting.nix
@@ -0,0 +1,24 @@
+{
+  empty = {
+    plugins.haskell-scope-highlighting.enable = true;
+    plugins.treesitter.enable = true;
+  };
+
+  testHaskellHighlights = {
+    plugins.haskell-scope-highlighting.enable = true;
+    plugins.treesitter.enable = true;
+    highlight = {
+      HaskellCurrentScope.bg = "black";
+      HaskellParentScope1.bg = "black";
+      HaskellParentScope2.bg = "black";
+      HaskellParentScope3.bg = "black";
+      HaskellVariableDeclarationWithinScope.bg = "black";
+      HaskellVariableDeclaredWithinFile.bg = "black";
+      HaskellVariableDeclaredWithinParent1.bg = "black";
+      HaskellVariableDeclaredWithinParent2.bg = "black";
+      HaskellVariableDeclaredWithinParent3.bg = "black";
+      HaskellVariableDeclaredWithinScope.bg = "black";
+      HaskellVariableNotDeclaredWithinFile.bg = "black";
+    };
+  };
+}