refactor(treesitter): simplify some range functions

1 files changed, 20 insertions, 0 deletions

diff --git a/runtime/lua/vim/treesitter/_range.lua b/runtime/lua/vim/treesitter/_range.lua
index 8decd3a1fd..bec24a23a5 100644
--- a/runtime/lua/vim/treesitter/_range.lua
+++ b/runtime/lua/vim/treesitter/_range.lua
@@ -54,6 +54,26 @@ M.cmp_pos = {
 setmetatable(M.cmp_pos, { __call = cmp_pos })
 
 ---@private
+---Check if a variable is a valid range object
+---@param r any
+---@return boolean
+function M.validate(r)
+  if type(r) ~= 'table' or #r ~= 6 and #r ~= 4 then
+    return false
+  end
+
+  for _, e in
+    ipairs(r --[[@as any[] ]])
+  do
+    if type(e) ~= 'number' then
+      return false
+    end
+  end
+
+  return true
+end
+
+---@private
 ---@param r1 Range4|Range6
 ---@param r2 Range4|Range6
 ---@return boolean