fix: Close popup should clean up input (#478)

* clear content when lose focus

* test case

Author: zombieJ

src/Selector/index.tsx

@@ -186,6 +186,9 @@ const Selector: React.RefForwardingComponent<RefSelectorProps, SelectorProps> =
     }
 
     if ((mode !== 'combobox' && (!showSearch || !inputMouseDown)) || !open) {
+      if (open) {
+        onSearch('');
+      }
       onToggleOpen();
     }
   };

tests/Multiple.test.tsx

@@ -279,4 +279,16 @@ describe('Select.Multiple', () => {
     toggleOpen(wrapper);
     expect(wrapper.find('.rc-select-selection-placeholder').length).toBeFalsy();
   });
+
+  it('clear input when popup closed', () => {
+    const wrapper = mount(<Select mode="multiple" options={[{ value: 'light' }]} showSearch />);
+    toggleOpen(wrapper);
+    wrapper.find('input').simulate('change', { target: { value: 'bamboo' } });
+    expect(wrapper.find('input').props().value).toEqual('bamboo');
+
+    // Close and open again
+    toggleOpen(wrapper);
+    toggleOpen(wrapper);
+    expect(wrapper.find('input').props().value).toEqual('');
+  });
 });