UPDATE: Dynamic arrays!

bindings/wasm/src/lib.rs

@@ -766,4 +766,18 @@ impl Model {
             .get_first_non_empty_in_row_after_column(sheet, row, column)
             .map_err(to_js_error)
     }
+
+    #[wasm_bindgen(js_name = "getCellArrayStructure")]
+    pub fn get_cell_array_structure(
+        &self,
+        sheet: u32,
+        row: i32,
+        column: i32,
+    ) -> Result<JsValue, JsError> {
+        let cell_structure = self
+            .model
+            .get_cell_array_structure(sheet, row, column)
+            .map_err(|e| to_js_error(e.to_string()))?;
+        serde_wasm_bindgen::to_value(&cell_structure).map_err(JsError::from)
+    }
 }

bindings/wasm/types.ts

@@ -109,6 +109,11 @@ export interface MarkedToken {
   end: number;
 }
 
+export type CellArrayStructure =
+  | "SingleCell"
+  | { DynamicChild: [number, number, number, number] }
+  | { DynamicMother: [number, number] };
+
 export interface WorksheetProperties {
   name: string;
   color: string;
@@ -216,7 +221,7 @@ export interface SelectedView {
 // };
 
 // type ClipboardData = Record<string, Record <string, ClipboardCell>>;
-type ClipboardData = Map<number, Map <number, ClipboardCell>>;
+type ClipboardData = Map<number, Map<number, ClipboardCell>>;
 
 export interface ClipboardCell {
   text: string;
@@ -233,4 +238,4 @@ export interface DefinedName {
   name: string;
   scope?: number;
   formula: string;
-}
+}