[improvement] ImagePreview: add loop prop (#2103)

packages/image-preview/ImagePreview.vue

@@ -14,6 +14,7 @@
     </div>
     <swipe
       ref="swipe"
+      :loop="loop"
       :initial-swipe="startPosition"
       :show-indicators="showIndicators"
       @change="onChange"
@@ -63,6 +64,10 @@ export default create({
       type: Array,
       default: () => []
     },
+    loop: {
+      type: Boolean,
+      default: true
+    },
     startPosition: {
       type: Number,
       default: 0

packages/image-preview/en-US.md

@@ -53,4 +53,5 @@ setTimeout(() => {
 | startPosition | Start position | `Number` | `0` |
 | showIndex | Whether to show index | `Boolean` | `true` |
 | showIndicators | Whether to show indicators | `Boolean` | `false` |
+| loop | Whether to enable loop | `Boolean` | `true` |
 | onClose | Close callback | `Function` | - |

packages/image-preview/index.js

@@ -5,11 +5,12 @@ import { isServer } from '../utils';
 let instance;
 
 const defaultConfig = {
-  value: true,
   images: [],
+  loop: true,
+  value: true,
   showIndex: true,
-  showIndicators: false,
+  startPosition: 0,
-  startPosition: 0
+  showIndicators: false
 };
 
 const initInstance = () => {

packages/image-preview/zh-CN.md

@@ -61,4 +61,5 @@ setTimeout(() => {
 | startPosition | 图片预览起始位置索引 | `Number` | `0` | 1.1.16 |
 | showIndex | 是否显示页码 | `Boolean` | `true` | 1.3.4 |
 | showIndicators | 是否显示轮播指示器 | `Boolean` | `false` | 1.3.10 |
+| loop | 是否开启循环播放 | `Boolean` | `true` | 1.4.4 |
 | onClose | 关闭时的回调函数 | `Function` | - | 1.1.16 |