nvim: rework lspconfig

modules/programs/nvim/default.nix

@@ -33,7 +33,10 @@ in
       plugins = with pkgs.vimPlugins; [
         catppuccin-nvim
         cmp-nvim-lsp
+        cmp_luasnip
         dashboard-nvim
+        lsp_lines-nvim
+        luasnip
         neogit
         noice-nvim
         nui-nvim # for noice-nvim
@@ -44,9 +47,6 @@ in
         plenary-nvim # for telescope, neogit
         telescope-nvim
         which-key-nvim
-        cmp_luasnip
-        luasnip
-        lsp_lines-nvim
       ];
     };
   };

modules/programs/nvim/init.lua

@@ -162,18 +162,57 @@ local on_attach_def = function(_, bufnr)
   }, { noremap = true, silent = true, buffer = bufnr })
 end
 
-local servers = { "nil_ls", "pylsp" }
+---merge tables
-for _, lsp in ipairs(servers) do
+---@param ... table[]
-	lspconfig[lsp].setup({
+---@return table
+local function table_merge(...)
+  local tables_to_merge = { ... }
+  assert(#tables_to_merge > 1, "There should be at least two tables to merge them")
+
+  for k, t in ipairs(tables_to_merge) do
+    assert(type(t) == "table", string.format("Expected a table as function parameter %d", k))
+  end
+
+  local result = tables_to_merge[1]
+
+  for i = 2, #tables_to_merge do
+    local from = tables_to_merge[i]
+    for k, v in pairs(from) do
+      if type(v) == "table" then
+        result[k] = result[k] or {}
+        result[k] = table_merge(result[k], v)
+      else
+        result[k] = v
+      end
+    end
+  end
+
+  return result
+end
+
+local lspconfig_default_options = {
   on_attach = on_attach_def,
   capabilities = capabilities,
   flags = {
     debounce_text_changes = 100,
   },
-	})
+}
+
+---function to add default options to lspconfig
+---@param lsp string
+---@param options table
+---@return nil
+local function lspconfig_setup(lsp, options)
+  local final_options = table_merge(lspconfig_default_options, options)
+  lspconfig[lsp].setup(final_options)
 end
 
-lspconfig.sumneko_lua.setup({
+local servers = { "nil_ls", "pylsp" }
+for _, lsp in ipairs(servers) do
+  lspconfig_setup(lsp, {})
+end
+
+lspconfig_setup("lua_ls", {
   on_attach = on_attach_def,
   capabilities = capabilities,
   settings = {
@@ -196,13 +235,7 @@ lspconfig.sumneko_lua.setup({
         enable = false,
       },
       format = {
-				enable = true,
+        enable = false,
-				-- Put format options here
-				-- NOTE: the value should be STRING!!
-				defaultConfig = {
-					indent_style = "space",
-					indent_size = "2",
-				},
       },
     },
   },