feat: fix copilot completion

lua/custom/plugins/copilot.lua

@@ -20,9 +20,12 @@ return {
     --   nnoremap <silent> <leader>ct :CopilotToggle<CR>
     -- ]]
 
-    -- vim.g.copilot_no_tab_map = true
+    -- vim.keymap.set('i', '<C-J>', 'copilot#Accept("\\<CR>")', { silent = true, expr = true })
-    vim.g.copilot_assume_mapped = true
+    -- vim.keymap.set('i', '(vimrc:copilot-dummy-map)', 'copilot#Accept("<Tab>")', { silent = true, expr = true })
-    vim.keymap.set('i', '<C-J>', 'copilot#Accept("<CR>")', { silent = true, expr = true })
+    vim.g.copilot_no_tab_map = true
+
+    -- vim.keymap.set('i', '<Plug>(vimrc:copilot-dummy-map)', 'copilot#Accept("")', { silent = true, expr = true, desc = 'Copilot dummy accept' })
+
     require('copilot').setup()
   end,
 }

lua/custom/plugins/nvim-cmp.lua

@@ -21,10 +21,35 @@ end
 -- })
 -- cmp.setup(config)
 
+local cmp = require 'cmp'
+-- Define additional mappings
+-- local additional_mappings = {
+--   ['<C-g>'] = cmp.mapping(function(fallback)
+--     vim.api.nvim_feedkeys(vim.fn['copilot#Accept'](vim.api.nvim_replace_termcodes('<Tab>', true, true, true)), 'n', true)
+--   end),
+-- }
+--
+local additional_mappings = {
+  ['<M-;>'] = cmp.mapping(function(fallback)
+    vim.api.nvim_feedkeys(vim.fn['copilot#Accept'](vim.api.nvim_replace_termcodes('<Tab>', true, true, true)), 'n', true)
+  end),
+}
+
+-- Merge the new mappings with the existing mappings
+-- local merged_mappings = vim.tbl_extend('force', cmp.mapping, additional_mappings)
+-- local merged_mappings = vim.tbl_extend('force', cmp.mapping, additional_mappings)
+
+vim.list_extend(additional_mappings, cmp.mapping)
+
 require('cmp').setup {
   formatting = {
     format = format_item,
   },
+  mapping = additional_mappings,
+  -- mapping = additional_mappings,
+  experimental = {
+    ghost_text = false, -- this feature conflict with copilot.vim's preview.
+  },
 }
 
 return {}