Fix #421

lua/cmp/context.lua

@@ -11,7 +11,6 @@ local api = require('cmp.utils.api')
 ---@field public option cmp.ContextOption
 ---@field public filetype string
 ---@field public time number
----@field public mode string
 ---@field public bufnr number
 ---@field public cursor vim.Position|lsp.Position
 ---@field public cursor_line string
@@ -45,7 +44,6 @@ context.new = function(prev_context, option)
   self.option = option or { reason = types.cmp.ContextReason.None }
   self.filetype = vim.api.nvim_buf_get_option(0, 'filetype')
   self.time = vim.loop.now()
-  self.mode = vim.api.nvim_get_mode().mode
   self.bufnr = vim.api.nvim_get_current_buf()
 
   local cursor = api.get_cursor()

lua/cmp/init.lua

@@ -270,13 +270,10 @@ cmp.setup = setmetatable({
 })
 
 autocmd.subscribe('InsertEnter', function()
-  -- Avoid unexpected mode detection (mode() function will returns `normal mode` on the InsertEnter event.)
-  vim.schedule(function()
   if config.enabled() then
     cmp.core:prepare()
     cmp.core:on_change('InsertEnter')
   end
-  end)
 end)
 
 autocmd.subscribe('TextChanged', function()

lua/cmp/utils/api.lua

@@ -17,7 +17,7 @@ api.is_insert_mode = function()
     'i',
     'ic',
     'ix',
-  }, vim.api.nvim_get_mode().mode)
+  }, vim.api.nvim_get_mode().mode) or vim.v.insertmode == 'i'
 end
 
 api.is_cmdline_mode = function()