fix: autocmd called in fast event

Closes #396

Author: Saghen

lua/blink/cmp/lib/event_emitter.lua

@@ -27,7 +27,11 @@ function event_emitter:emit(data)
   for _, callback in ipairs(self.listeners) do
     callback(data)
   end
-  if self.autocmd then vim.api.nvim_exec_autocmds('User', { pattern = self.autocmd, modeline = false, data = data }) end
+  if self.autocmd then
+    require('blink.cmp.lib.utils').schedule_if_needed(
+      vim.api.nvim_exec_autocmds('User', { pattern = self.autocmd, modeline = false, data = data })
+    )
+  end
 end
 
 return event_emitter

lua/blink/cmp/lib/utils.lua

@@ -83,4 +83,12 @@ function utils.get_regex_around_cursor(range, regex, exclude_from_prefix_regex)
   return { start_col = start_col, length = length }
 end
 
+function utils.schedule_if_needed(fn)
+  if vim.in_fast_event() then
+    vim.schedule(fn)
+  else
+    fn()
+  end
+end
+
 return utils