[new feature] Loading: size prop support number type

docs/markdown/v2-progress-tracking.md

@@ -55,6 +55,7 @@
 
 - 新增`default`插槽
 - 新增`text-size`属性
+- 支持`Number`类型的`size`属性
 
 ## NoticeBar
 

packages/loading/en-US.md

@@ -35,11 +35,11 @@ Vue.use(Loading);
 |------|------|------|------|
 | color | Loading color | `String` | `#c9c9c9` |  |
 | type | Can be set to `spinner` | `String` | `circular` |
-| size | Icon size | `String` | `30px` |
+| size | Icon size | `String | Number` | `30px` |
 | text-size | Text font size | `String | Number` | `14px` |
 
 ### Slot
 
 | Name | Description |
 |------|------|
-| default | Loading text |
+| default | Loading text |

packages/loading/index.tsx

@@ -6,8 +6,8 @@ import { CreateElement, RenderContext } from 'vue/types';
 import { DefaultSlots } from '../utils/use/sfc';
 
 export type LoadingProps = {
-  type: string;
-  size?: string;
+  type: 'circular' | 'spinner';
+  size?: string | number;
   color: string;
   textSize?: string | number;
 };
@@ -23,11 +23,12 @@ function Loading(
 ) {
   const { color, size, type } = props;
 
-  const style = {
-    color,
-    width: size,
-    height: size
-  };
+  const style: { [key: string]: string } = { color };
+  if (size) {
+    const iconSize = suffixPx(size);
+    style.width = iconSize;
+    style.height = iconSize;
+  }
 
   const Spin = [];
   if (type === 'spinner') {
@@ -68,7 +69,7 @@ function Loading(
 }
 
 Loading.props = {
-  size: String,
+  size: [String, Number],
   textSize: [String, Number],
   type: {
     type: String,

packages/loading/test/__snapshots__/index.spec.js.snap

@@ -1,3 +1,5 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`size prop 1`] = `<div class="van-loading van-loading--circular"><span class="van-loading__spinner van-loading__spinner--circular" style="color: rgb(201, 201, 201); width: 20px; height: 20px;"><svg viewBox="25 25 50 50" class="van-loading__circular"><circle cx="50" cy="50" r="20" fill="none"></circle></svg></span></div>`;
+
 exports[`text-size prop 1`] = `<div class="van-loading van-loading--circular"><span class="van-loading__spinner van-loading__spinner--circular" style="color: rgb(201, 201, 201);"><svg viewBox="25 25 50 50" class="van-loading__circular"><circle cx="50" cy="50" r="20" fill="none"></circle></svg></span><span class="van-loading__text" style="font-size: 20px;">Text</span></div>`;

packages/loading/test/index.spec.js

@@ -1,6 +1,16 @@
 import { mount } from '../../../test/utils';
 import Loading from '..';
 
+test('size prop', () => {
+  const wrapper = mount(Loading, {
+    propsData: {
+      size: 20
+    }
+  });
+
+  expect(wrapper).toMatchSnapshot();
+});
+
 test('text-size prop', () => {
   const wrapper = mount(Loading, {
     propsData: {

packages/loading/zh-CN.md

@@ -35,7 +35,7 @@ Vue.use(Loading);
 |------|------|------|------|------|
 | color | 颜色 | `String` | `#c9c9c9` | - |
 | type | 类型，可选值为 `spinner` | `String` | `circular` | - |
-| size | 加载图标大小 | `String` | `30px` | - |
+| size | 加载图标大小 | `String | Number` | `30px` | - |
 | text-size | 文字大小 | `String | Number` | `14px` | 2.0.0 |
 
 ### Slot