[bugfix] SwipeCell: incorrect render when left-width equals zero (#2737)

packages/swipe-cell/index.js

@@ -146,17 +146,17 @@ export default sfc({
             this.swipe = false;
           }}
         >
-          {this.leftWidth && (
+          {this.leftWidth ? (
             <div class={bem('left')} onClick={onClick('left', true)}>
               {this.slots('left')}
             </div>
-          )}
+          ) : null}
           {this.slots()}
-          {this.rightWidth && (
+          {this.rightWidth ? (
             <div class={bem('right')} onClick={onClick('right', true)}>
               {this.slots('right')}
             </div>
-          )}
+          ) : null}
         </div>
       </div>
     );

packages/swipe-cell/test/__snapshots__/index.spec.js.snap

@@ -44,3 +44,9 @@ exports[`drag and show left part 5`] = `
   </div>
 </div>
 `;
+
+exports[`width equals zero 1`] = `
+<div class="van-swipe-cell">
+  <div class="van-swipe-cell__wrapper" style="transform: translate3d(0px, 0, 0);"></div>
+</div>
+`;

packages/swipe-cell/test/index.spec.js

@@ -64,3 +64,13 @@ test('on close prop', () => {
   wrapper.trigger('click');
   expect(wrapper.vm.offset).toEqual(0);
 });
+
+it('width equals zero', () => {
+  const wrapper = mount(SwipeCell, {
+    propsData: {
+      leftWidth: 0,
+      rightWidth: 0
+    }
+  });
+  expect(wrapper).toMatchSnapshot();
+});