nvim: add lspkind

modules/programs/nvim/default.nix

@@ -53,6 +53,7 @@ in
         comment-nvim
         dashboard-nvim
         lsp_lines-nvim
+        lspkind-nvim
         lualine-lsp-progress
         lualine-nvim
         luasnip

modules/programs/nvim/init.lua

@@ -92,9 +92,18 @@ require("nvim-treesitter.configs").setup({
   },
 })
 
+local lspkind = require("lspkind")
+
 local cmp = require("cmp")
 local luasnip = require("luasnip")
 cmp.setup({
+  formatting = {
+    format = lspkind.cmp_format({
+      mode = "symbol", -- show only symbol annotations
+      maxwidth = 50, -- prevent the popup from showing more than provided characters (e.g 50 will not show more than 50 characters)
+      ellipsis_char = "...", -- when popup menu exceed maxwidth, the truncated part would show ellipsis_char instead (must define maxwidth first)
+    }),
+  },
   snippet = {
     -- REQUIRED - you must specify a snippet engine
     expand = function(args)