Scan uppercase previews backward

1 files changed, 11 insertions, 3 deletions

diff --git a/lua/clever_f/direct_preview_planner.lua b/lua/clever_f/direct_preview_planner.lua
index 85dfcbc..8ccfa75 100644
--- a/lua/clever_f/direct_preview_planner.lua
+++ b/lua/clever_f/direct_preview_planner.lua
@@ -48,12 +48,20 @@ function DirectPreviewPlanner:scan_current_line(view, origin, direction)
   return records
 end
 
-function DirectPreviewPlanner:scan_for_descriptor(view, origin, descriptor)
+function M.direction_for_descriptor(descriptor)
   descriptor = domain.Descriptor.from_string(descriptor)
   if domain.Descriptor.is_uppercase(descriptor) then
-    fail("backward direct preview scanning is not available", 2)
+    return domain.Direction.BACKWARD
   end
-  return self:scan_current_line(view, origin, domain.Direction.FORWARD)
+  return domain.Direction.FORWARD
+end
+
+function DirectPreviewPlanner:scan_for_descriptor(view, origin, descriptor)
+  return self:scan_current_line(
+    view,
+    origin,
+    M.direction_for_descriptor(descriptor)
+  )
 end
 
 function M.new()