feat: Adding select_and_enter command

lua/blink/cmp/config/keymap.lua

@@ -5,6 +5,7 @@
 --- | 'cancel' Cancel the current completion, undoing the preview from auto_insert
 --- | 'accept' Accept the current completion item
 --- | 'select_and_accept' Select the first completion item, if there's no selection, and accept
+--- | 'select_and_enter' Select the first completion item, if there's no selection, and enter
 --- | 'select_prev' Select the previous completion item
 --- | 'select_next' Select the next completion item
 --- | 'show_documentation' Show the documentation window
@@ -129,6 +130,7 @@ function keymap.validate(config)
     'cancel',
     'accept',
     'select_and_accept',
+    'select_and_enter',
     'select_prev',
     'select_next',
     'show_documentation',

lua/blink/cmp/init.lua

@@ -129,6 +129,24 @@ function cmp.select_and_accept(opts)
   return true
 end
 
+--- Select the first completion item, if there's no selection, and enter
+--- @param opts? blink.cmp.CompletionListSelectAndAcceptOpts
+function cmp.select_and_enter(opts)
+  if not cmp.is_visible() then return end
+
+  local completion_list = require('blink.cmp.completion.list')
+  vim.schedule(function()
+    completion_list.accept({
+      index = completion_list.selected_item_idx or 1,
+      callback = function()
+        if opts and opts.callback then opts.callback() end
+        vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes('<CR>', true, false, true), 'n', false)
+      end,
+    })
+  end)
+  return true
+end
+
 --- Select the previous completion item
 --- @param opts? blink.cmp.CompletionListSelectOpts
 function cmp.select_prev(opts)