Complete the completion setup

roles/neovim/files/lua/plugins/options/completion.lua

@@ -2,11 +2,11 @@
 
 vim.opt.completeopt = { 'menu', 'menuone', 'noselect' }
 local cmp = require'cmp'
-
+if cmp then
   cmp.setup({
     snippet = {
       expand = function(args)
-      require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
+        require('luasnip').lsp_expand(args.body)
       end,
     },
     window = {
@@ -23,9 +23,12 @@ cmp.setup({
       ['<CR>'] = cmp.mapping.confirm({ select = false }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
     }),
     sources = cmp.config.sources({
+      { name = 'nvim_lua' },
       { name = 'nvim_lsp' },
+      { name = 'path' },
       { name = 'luasnip' },
-  }, {
       { name = 'buffer' },
+    }),
+    experimental = { ghost_text = true }
   })
-})
+end

roles/neovim/files/lua/plugins/packer.lua

@@ -22,9 +22,10 @@ return require('packer').startup(function(use)
 
   -- Completion
   use 'hrsh7th/nvim-cmp'
-  use 'hrsh7th/cmp-nvim-lsp'
   use 'hrsh7th/cmp-buffer'
   use 'hrsh7th/cmp-path'
+  use 'hrsh7th/cmp-nvim-lua'
+  use 'hrsh7th/cmp-nvim-lsp'
 
   -- LuaSnip
   use 'L3MON4D3/LuaSnip'