:sparkles: fix #77

CHANGELOG.md

@@ -47,8 +47,9 @@
 
 * [80](https://github.com/Vanessa219/vditor/issues/80) 第一次 ctrl+z 无法设置光标 `修复缺陷`
 * [82](https://github.com/Vanessa219/vditor/issues/82) 文字拖动 `修复缺陷`
-* [74](https://github.com/Vanessa219/vditor/issues/74) anchor 中移除 . `改进功能`
+* [77](https://github.com/Vanessa219/vditor/issues/77) 上传文件处理 `改进功能`
 * [75](https://github.com/Vanessa219/vditor/issues/75) 表格输入自动完成优化 `改进功能`
+* [74](https://github.com/Vanessa219/vditor/issues/74) anchor 中移除 . `改进功能`
 * [73](https://github.com/Vanessa219/vditor/issues/73) 添加链接卡片样式 `引入特性`
 * [76](https://github.com/Vanessa219/vditor/issues/76) 菜单选择图片类 Emoji 无法直接显示 `修复缺陷`
 * [70](https://github.com/Vanessa219/vditor/issues/70) 所见即所得模式下Table按钮重复点击会导致table嵌套，另外希望标题支持快捷键调整大小 `引入特性`
@@ -56,6 +57,8 @@
 * [68](https://github.com/Vanessa219/vditor/issues/68) 列表标记符自动优化 `改进功能`
 * [66](https://github.com/Vanessa219/vditor/issues/66) 表格优化 `改进功能`
 * [65](https://github.com/Vanessa219/vditor/issues/65) 任务列表回车、删除优化 `改进功能`
+* 文档更新
+  * 添加 options.upload.file 方法
 
 ### v2.0.15 / 2020-01-11
 

src/ts/types/index.d.ts

@@ -105,6 +105,8 @@ interface IUpload {
     handler?(files: File[]): string | null;
 
     format?(files: File[], responseText: string): string;
+
+    file?(files: File[]): File[];
 }
 
 interface IMenuItem {

src/ts/upload/index.ts

@@ -144,7 +144,7 @@ const genUploadedLabel = (responseText: string, vditor: IVditor) => {
 
 const uploadFiles = (vditor: IVditor, files: FileList | DataTransferItemList | File[], element?: HTMLInputElement) => {
     // FileList | DataTransferItemList | File[] => File[]
-    const fileList = [];
+    let fileList = [];
     for (let iMax = files.length, i = 0; i < iMax; i++) {
         let fileItem = files[i];
         if (fileItem instanceof DataTransferItem) {
@@ -170,6 +170,10 @@ const uploadFiles = (vditor: IVditor, files: FileList | DataTransferItemList | F
         return;
     }
 
+    if (vditor.options.upload.file) {
+        fileList = vditor.options.upload.file(fileList);
+    }
+
     if (vditor.options.upload.validate) {
         const isValidate = vditor.options.upload.validate(fileList);
         if (typeof isValidate === "string") {