refactor: extract drop indicator rect helper

rust/spikes/leptos-tiptap-spike/src/editor_runtime/block_dnd.rs

@@ -107,6 +107,23 @@ pub(crate) fn direct_block_index_from_element(
     top_level_block_index(root, &block)
 }
 
+pub(crate) fn drop_indicator_from_block_rects(
+    block_index: usize,
+    block: &Element,
+    stage: &Element,
+    client_y: i32,
+) -> DropIndicatorState {
+    let block_rect = block.get_bounding_client_rect();
+    let stage_rect = stage.get_bounding_client_rect();
+    drop_indicator_from_geometry(
+        block_index,
+        block_rect.top(),
+        block_rect.height(),
+        stage_rect.top(),
+        client_y,
+    )
+}
+
 pub(crate) fn top_level_block_index(root: &Element, block: &Element) -> Option<usize> {
     let children = root.children();
     (0..children.length()).find_map(|index| {

rust/spikes/leptos-tiptap-spike/src/lib.rs

@@ -22,8 +22,8 @@ use web_sys::{
 
 use editor_runtime::attachment_upload::dispatch_editor_upload_request;
 use editor_runtime::block_dnd::{
-    direct_block_from_element, direct_block_index_from_element, drop_indicator_from_geometry,
-    element_within_handle_shell, event_target_from_point,
+    direct_block_from_element, direct_block_index_from_element,
+    drop_indicator_from_block_rects, element_within_handle_shell, event_target_from_point,
     pointer_in_handle_corridor_geometry, top_level_block_index, HandleCorridorGeometry,
 };
 use editor_runtime::block_menu_overlay;
@@ -5218,13 +5218,10 @@ fn drop_indicator_from_target(
     let root = editor_root_element()?;
     let block = root.children().item(hovered.index as u32)?;
     let stage = editor_stage_element()?;
-    let block_rect = block.get_bounding_client_rect();
-    let stage_rect = stage.get_bounding_client_rect();
-    Some(drop_indicator_from_geometry(
+    Some(drop_indicator_from_block_rects(
         hovered.index,
-        block_rect.top(),
-        block_rect.height(),
-        stage_rect.top(),
+        &block,
+        &stage,
         client_y,
     ))
 }