[new feature] SwitchCell: add cell-size prop

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

@@ -9,3 +9,13 @@ exports[`border prop 1`] = `
   </div>
 </div>
 `;
+
+exports[`cell-size prop 1`] = `
+<div class="van-cell van-cell--center van-cell--large van-switch-cell van-switch-cell--large">
+  <div class="van-cell__value van-cell__value--alone">
+    <div class="van-switch" style="font-size: 24px;">
+      <div class="van-switch__node"></div>
+    </div>
+  </div>
+</div>
+`;

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

@@ -25,3 +25,13 @@ test('border prop', () => {
 
   expect(wrapper).toMatchSnapshot();
 });
+
+test('cell-size prop', () => {
+  const wrapper = mount(SwitchCell, {
+    propsData: {
+      cellSize: 'large'
+    }
+  });
+
+  expect(wrapper).toMatchSnapshot();
+});