fix(utils): Add backward compatibility

lua/scratch/utils.lua

@@ -76,9 +76,35 @@ local table_length = function(T)
   return count
 end
 
+local getregion = vim.fn.has("nvim-0.10") == 1 and vim.fn.getregion
+  or function(pos1, pos2, opts)
+    local lines = {}
+    local start_row, start_col, end_row, end_col = pos1[2], pos1[3], pos2[2], pos2[3]
+    local selection_mode = opts.type
+    local text = vim.api.nvim_buf_get_lines(0, start_row, end_row, true)
+    end_row = end_row - start_row + 1
+    start_row = 1
+    if selection_mode == "v" then
+      table.insert(lines, text[1]:sub(start_col))
+      for i = start_row + 1, end_row do
+        table.insert(lines, text[i])
+      end
+      lines[end_row] = lines[end_row]:sub(1, end_col)
+    elseif selection_mode == "V" then
+      for i = start_row, end_row do
+        table.insert(lines, text[i])
+      end
+    elseif selection_mode == vim.api.nvim_replace_termcodes("<C-V>", true, true, true) then
+      for i = start_row, end_row do
+        table.insert(lines, text[i]:sub(start_col, end_col))
+      end
+    end
+    return lines
+  end
 ---@return string[]
 local function getSelectedText(mark, mode)
-  return vim.fn.getregion(vim.fn.getpos("v"), vim.fn.getpos(mark), { type = mode })
+  mode = vim.api.nvim_replace_termcodes(mode, true, true, true)
+  return getregion(vim.fn.getpos("v"), vim.fn.getpos(mark), { type = mode })
 end
 
 ---@param msg string

tests/test_select.lua

@@ -1,4 +1,5 @@
 local child = MiniTest.new_child_neovim()
+local getSelectedText
 local function table_select(text, coord, selection_mode)
   local lines = {}
   local start_row, start_col, end_row, end_col = coord[1], coord[2], coord[3], coord[4]
@@ -34,11 +35,11 @@ local select_wise = function(coord, selection_mode)
   vim.api.nvim_win_set_cursor(0, { end_row, end_col - 1 })
 end
 
-local function new_real(mark, mode)
-  mode = vim.api.nvim_replace_termcodes(mode, true, true, true)
-  local lines = vim.fn.getregion(vim.fn.getpos("v"), vim.fn.getpos(mark), { type = mode })
-  return lines
-end
+-- local function new_real(mark, mode)
+--   mode = vim.api.nvim_replace_termcodes(mode, true, true, true)
+--   local lines = vim.fn.getregion(vim.fn.getpos("v"), vim.fn.getpos(mark), { type = mode })
+--   return lines
+-- end
 local function old_real(mark, mode)
   local _, csrow, cscol, _ = unpack(vim.fn.getpos("'<"))
   local _, cerow, cecol, _ = unpack(vim.fn.getpos("'>"))
@@ -99,6 +100,7 @@ T["param"]["new"] = new_set({
     pre_case = function()
       child.restart({ "-u", "scripts/minimal_init.lua" })
       child.api.nvim_buf_set_lines(0, 0, -1, false, BUFFER_TEXT)
+      getSelectedText = require("scratch.utils").getSelectedText
     end,
     post_once = function()
       child.stop()
@@ -116,7 +118,7 @@ T["param"]["new"]["workd"] = function(selection_mode, coord)
   select_wise(coord, selection_mode)
   MiniTest.expect.equality(
     table_select(BUFFER_TEXT, coord, selection_mode),
-    child.lua_func(new_real, ".", selection_mode)
+    child.lua_func(getSelectedText, ".", selection_mode)
   )
 end