docs(changelog): vant@2.12.50 (#11058)

docs/markdown/changelog.en-US.md

@@ -16,6 +16,15 @@ Vant follows [Semantic Versioning 2.0.0](https://semver.org/lang/zh-CN/).
 
 ## Details
 
+### [v2.12.50](https://github.com/vant-ui/vant/compare/v2.12.49...v2.12.50)
+
+`2022-09-17`
+
+**Bug Fixes**
+
+- Uploader: optimize image preview [#11044](https://github.com/vant-ui/vant/issues/11044)
+- ImagePreview: fix missing onScale type [#11057](https://github.com/vant-ui/vant/issues/11057)
+
 ### [v2.12.49](https://github.com/vant-ui/vant/compare/v2.12.48...v2.12.49)
 
 `2022-09-05`

docs/markdown/changelog.zh-CN.md

@@ -25,6 +25,15 @@ Vant 遵循 [Semver](https://semver.org/lang/zh-CN/) 语义化版本规范。
 
 ## 更新内容
 
+### [v2.12.50](https://github.com/vant-ui/vant/compare/v2.12.49...v2.12.50)
+
+`2022-09-17`
+
+**Bug Fixes**
+
+- Uploader: 修复点击预览大图时会展示上传失败的图片的问题 [#11044](https://github.com/vant-ui/vant/issues/11044)
+- ImagePreview: 修复缺少 onScale 类型定义的问题 [#11057](https://github.com/vant-ui/vant/issues/11057)
+
 ### [v2.12.49](https://github.com/vant-ui/vant/compare/v2.12.48...v2.12.49)
 
 `2022-09-05`

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vant",
-  "version": "2.12.49",
+  "version": "2.12.50",
   "description": "Mobile UI Components built on Vue",
   "main": "lib/index.js",
   "module": "es/index.js",

src/uploader/index.js

@@ -268,7 +268,7 @@ export default createComponent({
 
       const imageFiles = this.fileList.filter((item) => isImageFile(item));
       const imageContents = imageFiles.map((item) => {
-        if (item.file && !item.url) {
+        if (item.file && !item.url && item.status !== 'failed') {
           item.url = URL.createObjectURL(item.file);
           this.urls.push(item.url);
         }

types/image-preview.d.ts

@@ -23,6 +23,7 @@ export type ImagePreviewOptions =
       closeIconPosition?: string;
       getContainer?: string | (() => Element);
       onClose?(): void;
+      onScale?(data: { index: number; scale: number }): void;
       onChange?(index: number): void;
       swipeTo?(index: number, options?: SwipeToOptions): void;
     };