PivotGrid - Ignore key auto-repeat in keyboard expand handler

Author: aleksei-semikozov

packages/devextreme/js/__internal/grids/pivot_grid/m_widget.ts

@@ -887,6 +887,9 @@ class PivotGrid extends Widget {
   }
 
   _handleCellKeyDown(e) {
+    if (e.repeat) {
+      return;
+    }
     if (e.key === 'Enter' || e.key === ' ') {
       const args = this._createEventArgs(e.currentTarget, e);
       if (args.cell && isDefined(args.cell.expanded)) {

packages/devextreme/testing/tests/DevExpress.ui.widgets.pivotGrid/pivotGrid.tests.js

@@ -522,6 +522,26 @@ QUnit.module('dxPivotGrid', {
         assert.strictEqual(expandValueChangingArgs, undefined);
     });
 
+    QUnit.test('keydown auto-repeat does not trigger expansion', function(assert) {
+        let expandValueChangingArgs;
+        const pivotGrid = createPivotGrid({
+            dataSource: this.dataSource,
+            onExpandValueChanging: function(args) {
+                expandValueChangingArgs = $.extend({}, args);
+            }
+        });
+        assert.ok(pivotGrid);
+
+        const $collapsedTd = $('#pivotGrid').find('.dx-pivotgrid-collapsed').closest('td');
+        assert.strictEqual($collapsedTd.length, 1);
+
+        $collapsedTd.trigger($.Event('keydown', { key: 'Enter', repeat: true }));
+
+        this.clock.tick(10);
+
+        assert.strictEqual(expandValueChangingArgs, undefined);
+    });
+
     QUnit.test('onCellClick cancel prevents keyboard expansion', function(assert) {
         let expandValueChangingArgs;
         const pivotGrid = createPivotGrid({