Fix Array Output Resize

src/grid/actions/updateCellAndDCells.ts

@@ -31,13 +31,11 @@ export const updateCellAndDCells = async (args: ArgsType) => {
     let seen = Array<string>();
     for (let i = 0; i < cells_to_update.length; null) {
       let string_id = cells_to_update[i].join(',');
-
       if (seen.includes(string_id)) {
         cells_to_update.splice(i, 1);
       } else {
         i++;
       }
-
       seen.push(string_id);
     }
 
@@ -49,17 +47,18 @@ export const updateCellAndDCells = async (args: ArgsType) => {
     let cell = sheetController.sheet.getCellCopy(ref_current_cell[0], ref_current_cell[1]);
     let old_array_cells: Coordinate[] = [];
 
+    // keep track of previous array cells for this cell
+    old_array_cells =
+      cell?.array_cells?.map((cell) => {
+        return { x: cell[0], y: cell[1] };
+      }) || [];
+    old_array_cells.unshift(); // remove this cell
+
     // ref_current_cell is in starting_cells
     if (starting_cells.some((c) => c.x === ref_current_cell[0] && c.y === ref_current_cell[1])) {
       // if the ref_cell_to_update is the starting_cell
       // then we need to update the cell with data from the starting_cell
-      if (cell !== undefined) {
-        old_array_cells =
-          cell.array_cells?.map((cell) => {
-            return { x: cell[0], y: cell[1] };
-          }) || [];
-        old_array_cells.unshift(); // remove this cell
-      }
+
       const passed_in_cell = starting_cells.find((c) => c.x === ref_current_cell[0] && c.y === ref_current_cell[1]);
       if (passed_in_cell === undefined) continue;
       cell = { ...passed_in_cell };
@@ -158,14 +157,6 @@ export const updateCellAndDCells = async (args: ArgsType) => {
           cell.value = would_override_og_cell?.value || '';
           array_cells_to_output.unshift(cell);
 
-          // if any updated cells have other cells depending on them, add to list to update
-          for (const array_cell of array_cells_to_output) {
-            // add array cells to list to update
-            let deps = sheetController.sheet.cell_dependency.getDependencies([array_cell.x, array_cell.y]);
-
-            if (deps) cells_to_update.push(...deps);
-          }
-
           // keep track of array cells updated by this cell
           cell.array_cells = array_cells_to_output.map((a_cell) => [a_cell.x, a_cell.y]);
 
@@ -223,9 +214,20 @@ export const updateCellAndDCells = async (args: ArgsType) => {
       });
     });
 
+    // if any updated cells have other cells depending on them, add to list to update
+    for (const array_cell of array_cells_to_output) {
+      let deps = sheetController.sheet.cell_dependency.getDependencies([array_cell.x, array_cell.y]);
+      if (deps) cells_to_update.push(...deps);
+    }
+
+    // any deleted cells have other cells depending on them, add to list to update
+    for (const array_cell of array_cells_to_delete) {
+      let deps = sheetController.sheet.cell_dependency.getDependencies([array_cell.x, array_cell.y]);
+      if (deps) cells_to_update.push(...deps);
+    }
+
     // if this cell updates other cells add them to the list to update
     let deps = sheetController.sheet.cell_dependency.getDependencies([cell.x, cell.y]);
-
     if (deps) cells_to_update.push(...deps);
   }
 

src/grid/controller/tests/cell_evaluation.test.ts

@@ -257,3 +257,130 @@ test('SheetController - test array formula', async () => {
     expect(cell.type).toEqual('COMPUTED');
   });
 });
+
+test('SheetController - test DataFrame resizing', async () => {
+  const sc = new SheetController();
+  GetCellsDBSetSheet(sc.sheet);
+
+  const cell_0_0 = {
+    x: 0,
+    y: 0,
+    value: '10',
+    type: 'TEXT',
+    last_modified: '2023-01-19T19:12:21.745Z',
+  } as Cell;
+
+  await updateCellAndDCells({ starting_cells: [cell_0_0], sheetController: sc, pyodide });
+
+  const cell_0_1 = {
+    x: 0,
+    y: 1,
+    value: '10',
+    type: 'PYTHON',
+    python_code: `result = []
+repeat = int(c(0,0))
+for x in range(0, repeat):
+  result.append(x + repeat)`,
+    last_modified: '2023-01-19T19:12:21.745Z',
+  } as Cell;
+
+  await updateCellAndDCells({ starting_cells: [cell_0_1], sheetController: sc, pyodide });
+
+  // Validate the dataframe is sized
+  const code_cell_first_run = sc.sheet.grid.getNakedCells(0, 1, 0, 1)[0];
+  expect(code_cell_first_run?.value).toBe('10');
+  expect(code_cell_first_run?.array_cells?.length).toBe(10);
+  expect(code_cell_first_run?.array_cells).toEqual([
+    [0, 1],
+    [0, 2],
+    [0, 3],
+    [0, 4],
+    [0, 5],
+    [0, 6],
+    [0, 7],
+    [0, 8],
+    [0, 9],
+    [0, 10],
+  ]);
+
+  // Now resize the dataframe
+  const cell_0_0_update = {
+    x: 0,
+    y: 0,
+    value: '5',
+    type: 'TEXT',
+    last_modified: '2023-01-19T19:12:21.745Z',
+  } as Cell;
+
+  await updateCellAndDCells({ starting_cells: [cell_0_0_update], sheetController: sc, pyodide });
+
+  // Validate the dataframe is resized
+  const code_cell_after_run = sc.sheet.grid.getNakedCells(0, 1, 0, 1)[0];
+  expect(code_cell_after_run?.value).toBe('5');
+  expect(code_cell_after_run?.array_cells?.length).toBe(5);
+  expect(code_cell_after_run?.array_cells).toEqual([
+    [0, 1],
+    [0, 2],
+    [0, 3],
+    [0, 4],
+    [0, 5],
+  ]);
+
+  // validate the dataframe is resized and old data is cleared
+  const after_code_run_cells = sc.sheet.grid.getNakedCells(0, 1, 0, 10);
+  expect(after_code_run_cells.length).toBe(5);
+  after_code_run_cells.forEach((cell, index) => {
+    expect(cell.value).toEqual((cell.y - 1 + 5).toString());
+    if (index === 0) return;
+    expect(cell.type).toEqual('COMPUTED');
+  });
+});
+
+test('SheetController - test deleted array cells update dependent cells', async () => {
+  const sc = new SheetController();
+  GetCellsDBSetSheet(sc.sheet);
+
+  const cell_1_2_dependent = {
+    x: 1,
+    y: 2,
+    value: '10',
+    type: 'PYTHON',
+    python_code: `c(0,2) + 100`,
+  } as Cell;
+
+  await updateCellAndDCells({ starting_cells: [cell_1_2_dependent], sheetController: sc, pyodide });
+
+  const cell_0_0 = {
+    x: 0,
+    y: 0,
+    value: '',
+    type: 'PYTHON',
+    python_code: `[1,2,3,4,5,6,7,8,9,10]`,
+  } as Cell;
+
+  await updateCellAndDCells({ starting_cells: [cell_0_0], sheetController: sc, pyodide });
+
+  // validate that the dependent cell is updated
+  const after_code_run_cell = sc.sheet.grid.getNakedCells(1, 2, 1, 2);
+  expect(after_code_run_cell.length).toBe(1);
+  expect(after_code_run_cell[0]?.value).toBe('103');
+
+  // Now shorten the array output
+  const cell_0_0_update = {
+    x: 0,
+    y: 0,
+    value: '',
+    type: 'PYTHON',
+    python_code: `[1,2]`,
+  } as Cell;
+
+  await updateCellAndDCells({ starting_cells: [cell_0_0_update], sheetController: sc, pyodide });
+
+  // validate that the dependent cell is updated
+  const after_code_run_cell_update = sc.sheet.grid.getNakedCells(1, 2, 1, 2);
+  expect(after_code_run_cell_update.length).toBe(1);
+  expect(after_code_run_cell_update[0]?.evaluation_result?.success).toBe(false);
+  expect(after_code_run_cell_update[0]?.evaluation_result?.std_err).toBe(
+    "TypeError on line 1: unsupported operand type(s) for +: 'NoneType' and 'int'"
+  );
+});