fix: fuzzy get query returning extra characters

closes #170
closes #172
closes #176

Author: Saghen

lua/blink/cmp/accept/text-edits.lua

@@ -80,7 +80,8 @@ function text_edits.guess_text_edit(item)
   -- convert to 0-index
   return {
     range = {
-      start = { line = current_line - 1, character = range[1] },
+      start = { line = current_line - 1, character = range[1] - 1 },
+      -- don't - 1 on the end col since it's exclusive while get_regex_around_cursor assumes inclusive
       ['end'] = { line = current_line - 1, character = range[2] },
     },
     newText = word,

lua/blink/cmp/fuzzy/init.lua

@@ -67,10 +67,9 @@ function fuzzy.get_query()
   )
   -- Since sub(1, 1) returns a single char string, we need to check if that single char matches
   -- and otherwise return an empty string
-  if range[1] == range[2] and line:sub(range[1] + 1, range[1] + 1):match(cmp_config.keyword_regex) == nil then
-    return ''
-  end
-  return string.sub(line, range[1] + 1, range[2] + 1)
+  if range[1] == range[2] and line:sub(range[1], range[1]):match(cmp_config.keyword_regex) == nil then return '' end
+  vim.print(string.sub(line, range[1], range[2]))
+  return string.sub(line, range[1], range[2])
 end
 
 return fuzzy

lua/blink/cmp/utils.lua

@@ -152,23 +152,23 @@ end
 --- @return number[]
 --- TODO: switch to return start_col, length to simplify downstream logic
 function utils.get_regex_around_cursor(range, regex, exclude_from_prefix_regex)
-  local current_col = vim.api.nvim_win_get_cursor(0)[2]
+  local current_col = vim.api.nvim_win_get_cursor(0)[2] + 1
   local line = vim.api.nvim_get_current_line()
 
   -- Search backward for the start of the word
   local start_col = current_col
   while start_col > 0 do
-    local char = line:sub(start_col, start_col)
+    local char = line:sub(start_col - 1, start_col - 1)
     if char:match(regex) == nil then break end
     start_col = start_col - 1
   end
 
-  local end_col = current_col
+  local end_col = current_col - 1
 
   -- Search forward for the end of the word if configured
   if range == 'full' then
     while end_col < #line do
-      local char = line:sub(end_col + 1, end_col + 1)
+      local char = line:sub(end_col, end_col)
       if char:match(regex) == nil then break end
       end_col = end_col + 1
     end