nvim: reqrite completion config

.config/nvim/lua/my/completion.lua

@@ -1,12 +1,8 @@
 require('my/plugins')
 
-packer.use 'https://github.com/hrsh7th/cmp-nvim-lsp'
-packer.use 'https://github.com/hrsh7th/cmp-buffer'
-packer.use 'https://github.com/hrsh7th/cmp-path'
-packer.use 'https://github.com/hrsh7th/cmp-cmdline'
-packer.use 'https://github.com/hrsh7th/cmp-nvim-lua'
 packer.use {
     'https://github.com/hrsh7th/nvim-cmp',
+    requires = 'https://github.com/L3MON4D3/LuaSnip',
     config = function()
         local cmp = require'cmp'
         if cmp == nil then
@@ -75,3 +71,36 @@ packer.use {
         })
     end
 }
+
+packer.use {
+    'https://github.com/hrsh7th/cmp-nvim-lsp',
+    requires = 'https://github.com/hrsh7th/nvim-cmp',
+    config = function()
+        require'cmp'.setup {
+            sources = {
+                name = 'nvim_lsp'
+            }
+        }
+    end
+}
+
+packer.use {
+    'https://github.com/hrsh7th/cmp-buffer',
+    requires = 'https://github.com/hrsh7th/nvim-cmp',
+}
+
+packer.use {
+    'https://github.com/hrsh7th/cmp-path',
+    requires = 'https://github.com/hrsh7th/nvim-cmp',
+}
+
+packer.use {
+    'https://github.com/hrsh7th/cmp-cmdline',
+    requires = 'https://github.com/hrsh7th/nvim-cmp',
+}
+
+-- packer.use {
+--     'https://github.com/hrsh7th/cmp-nvim-lua',
+--     requires = 'https://github.com/hrsh7th/nvim-cmp',
+-- }
+