plugins/bufferline: resolve diagnosticsUpdateInInsert deprecation

Author: khaneliman

plugins/bufferlines/bufferline.nix

@@ -5,7 +5,6 @@
   ...
 }:
 let
-  inherit (lib) mkEnableOption genAttrs;
   inherit (lib.nixvim) defaultNullOpts nixvimTypes;
   types = nixvimTypes;
 
@@ -112,7 +111,6 @@ lib.nixvim.neovim-plugin.mkNeovimPlugin config {
         "sortBy"
         "diagnostics"
         "diagnosticsIndicator"
-        "diagnosticsUpdateInInsert"
         "offsets"
         [
           "groups"
@@ -391,7 +389,7 @@ lib.nixvim.neovim-plugin.mkNeovimPlugin config {
       };
 
       hover = {
-        enabled = mkEnableOption "hover";
+        enabled = lib.mkEnableOption "hover";
 
         reveal = defaultNullOpts.mkListOf types.str [ ] "reveal";
 
@@ -413,14 +411,20 @@ lib.nixvim.neovim-plugin.mkNeovimPlugin config {
           optionSnakeCase
         ) (oldHighlightOptions ++ [ "truncMarker" ]);
       in
-      genAttrs newHighlightsOptions (
+      lib.genAttrs newHighlightsOptions (
         name:
         defaultNullOpts.mkHighlight { } null ''
           Highlight group definition for ${name}.
         ''
       );
   };
 
+  extraOptions = {
+    diagnosticsUpdateInInsert = defaultNullOpts.mkBool true ''
+      Whether diagnostics should update in insert mode.
+    '';
+  };
+
   settingsExample = {
     options = {
       mode = "buffers";
@@ -563,6 +567,12 @@ lib.nixvim.neovim-plugin.mkNeovimPlugin config {
   };
 
   extraConfig = cfg: {
+    extraConfigLua =
+      lib.optionalString (cfg.diagnosticsUpdateInInsert != null) # Lua
+        ''
+          vim.diagnostic.config { update_in_insert = ${toString cfg.diagnosticsUpdateInInsert} }
+        '';
+
     extraPlugins = with pkgs.vimPlugins; [
       cfg.package
       nvim-web-devicons

tests/test-sources/plugins/bufferlines/bufferline.nix

@@ -47,6 +47,8 @@
   defaults = {
     plugins.bufferline = {
       enable = true;
+      diagnosticsUpdateInInsert = true;
+
       settings = {
         options = {
           mode = "buffers";
@@ -84,7 +86,6 @@
           sort_by = "id";
           diagnostics = false;
           diagnostics_indicator = null;
-          diagnostics_update_in_insert = true;
           offsets = null;
           groups = {
             items = [ ];