Added lua/cmp-setup.lua

init.lua

@@ -1008,6 +1008,8 @@ require('lsp-setup')
     },
   },
 })
+-- Configure CMP (completion)
+require('cmp-setup')
 
 -- The line beneath this is called `modeline`. See `:help modeline`
 -- vim: ts=2 sts=2 sw=2 et

lua/cmp-setup.lua

@@ -0,0 +1,49 @@
+-- [[ Configure nvim-cmp ]]
+-- See `:help cmp`
+local cmp = require 'cmp'
+local luasnip = require 'luasnip'
+require('luasnip.loaders.from_vscode').lazy_load()
+luasnip.config.setup {}
+
+cmp.setup {
+  snippet = {
+    expand = function(args)
+      luasnip.lsp_expand(args.body)
+    end,
+  },
+  mapping = cmp.mapping.preset.insert {
+    ['<C-n>'] = cmp.mapping.select_next_item(),
+    ['<C-p>'] = cmp.mapping.select_prev_item(),
+    ['<C-d>'] = cmp.mapping.scroll_docs(-4),
+    ['<C-f>'] = cmp.mapping.scroll_docs(4),
+    ['<C-Space>'] = cmp.mapping.complete {},
+    ['<CR>'] = cmp.mapping.confirm {
+      behavior = cmp.ConfirmBehavior.Replace,
+      select = true,
+    },
+    ['<Tab>'] = cmp.mapping(function(fallback)
+      if cmp.visible() then
+        cmp.select_next_item()
+      elseif luasnip.expand_or_locally_jumpable() then
+        luasnip.expand_or_jump()
+      else
+        fallback()
+      end
+    end, { 'i', 's' }),
+    ['<S-Tab>'] = cmp.mapping(function(fallback)
+      if cmp.visible() then
+        cmp.select_prev_item()
+      elseif luasnip.locally_jumpable(-1) then
+        luasnip.jump(-1)
+      else
+        fallback()
+      end
+    end, { 'i', 's' }),
+  },
+  sources = {
+    { name = 'nvim_lsp' },
+    { name = 'luasnip' },
+  },
+}
+
+-- vim: ts=2 sts=2 sw=2 et