Compare TILL movement directions

1 files changed, 12 insertions, 0 deletions

diff --git a/lua/clever_f/feedback_service.lua b/lua/clever_f/feedback_service.lua
index eab03e6..22925f4 100644
--- a/lua/clever_f/feedback_service.lua
+++ b/lua/clever_f/feedback_service.lua
@@ -617,6 +617,18 @@ function M.repeated_till_migration_candidate(request)
     and request.first_move == false
 end
 
+function M.till_direction_changed(request)
+  if not M.repeated_till_migration_candidate(request) then
+    return false
+  end
+  if type(request.moved_forward) ~= "boolean"
+    or type(request.previous_moved_forward) ~= "boolean"
+  then
+    fail("TILL feedback migration requires movement directions", 2)
+  end
+  return request.moved_forward ~= request.previous_moved_forward
+end
+
 function M.command_migration_reason(request)
   if type(request) ~= "table" then
     fail("command feedback migration request must be a table", 2)