fix: should trigger onChange if click on options of multiple cascader…

… with searchValue (#235)

* fix: should trigger onChange if click on options of multiple cascader with searchValue

* chore: update comment

* test: cover mousedown

src/Cascader.tsx

@@ -331,6 +331,7 @@ const Cascader = React.forwardRef<CascaderRef, InternalCascaderProps>((props, re
 
   // =========================== Select ===========================
   const onInternalSelect = useRefFunc((valuePath: SingleValueType) => {
+    setSearchValue('');
     if (!multiple) {
       triggerChange(valuePath);
     } else {

src/OptionList/Column.tsx

@@ -129,6 +129,10 @@ export default function Column({
                 triggerOpenPath();
               }
             }}
+            onMouseDown={e => {
+              // Prevent selector from blurring
+              e.preventDefault();
+            }}
           >
             {multiple && (
               <Checkbox

tests/search.spec.tsx

@@ -177,4 +177,15 @@ describe('Cascader.Search', () => {
 
     errorSpy.mockRestore();
   });
+
+  it('onChange should be triggered when click option with multiple', () => {
+    const onChange = jest.fn();
+    const wrapper = mount(
+      <Cascader checkable options={options} changeOnSelect onChange={onChange} showSearch />,
+    );
+    doSearch(wrapper, 'toy');
+    wrapper.find('.rc-cascader-menu-item').first().simulate('click');
+    wrapper.find('.rc-cascader-menu-item').first().simulate('mousedown');
+    expect(onChange).toHaveBeenCalledWith([['bamboo', 'little', 'fish']], expect.anything());
+  });
 });