Update index.tsx

Delete extra button and support drag folder to upload

web/app/components/datasets/create/file-uploader/index.tsx

@@ -47,10 +47,6 @@ const FileUploader = ({
   const dropRef = useRef<HTMLDivElement>(null)
   const dragRef = useRef<HTMLDivElement>(null)
   const fileUploader = useRef<HTMLInputElement>(null)
-
-  // For upload folder
-  const dirUploader = useRef<HTMLInputElement>(null)
-
   const hideUpload = notSupportBatchUpload && fileList.length > 0
 
   const { data: fileUploadConfigResponse } = useSWR({ url: '/files/upload' }, fetchFileUploadConfig)
@@ -200,30 +196,73 @@ const FileUploader = ({
     e.stopPropagation()
     e.target === dragRef.current && setDragging(false)
   }
+  type FileWithPath = {
+    relativePath?: string
+  } & File
+  const traverseFileEntry = useCallback(
+    (entry: any, prefix = ''): Promise<FileWithPath[]> => {
+      return new Promise((resolve) => {
+        if (entry.isFile) {
+          entry.file((file: FileWithPath) => {
+            file.relativePath = `${prefix}${file.name}` // 保留相对路径
+            resolve([file])
+          })
+        }
+        else if (entry.isDirectory) {
+          const reader = entry.createReader()
+          const entries: any[] = []
+          const read = () => {
+            reader.readEntries(async (results: FileSystemEntry[]) => {
+              if (!results.length) {
+                const files = await Promise.all(
+                  entries.map(ent =>
+                    traverseFileEntry(ent, `${prefix}${entry.name}/`),
+                  ),
+                )
+                resolve(files.flat())
+              }
+              else {
+                entries.push(...results)
+                read()
+              }
+            })
+          }
+          read()
+        }
+        else {
+          resolve([])
+        }
+      })
+    },
+    [], // ← 依赖为空，引用稳定
+  )
 
-  const handleDrop = useCallback((e: DragEvent) => {
-    e.preventDefault()
-    e.stopPropagation()
-    setDragging(false)
-    if (!e.dataTransfer)
-      return
-
-    const files = [...e.dataTransfer.files] as File[]
-    const validFiles = files.filter(isValid)
-    initialUpload(validFiles)
-  }, [initialUpload, isValid])
-
+  const handleDrop = useCallback(
+    async (e: DragEvent) => {
+      e.preventDefault()
+      e.stopPropagation()
+      setDragging(false)
+      if (!e.dataTransfer) return
+      const nested = await Promise.all(
+        Array.from(e.dataTransfer.items).map((it) => {
+          const entry = (it as any).webkitGetAsEntry?.()
+          if (entry) return traverseFileEntry(entry)
+          const f = it.getAsFile?.()
+          return f ? Promise.resolve([f]) : Promise.resolve([])
+        }),
+      )
+      let files = nested.flat()
+      if (notSupportBatchUpload) files = files.slice(0, 1)
+      const valid = files.filter(isValid)
+      initialUpload(valid)
+    },
+    [initialUpload, isValid, notSupportBatchUpload, traverseFileEntry],
+  )
   const selectHandle = () => {
     if (fileUploader.current)
       fileUploader.current.click()
   }
 
-  // click on button, use folder upload
-  const selectFolderHandle = () => {
-    if (dirUploader.current)
-      dirUploader.current.click()
-  }
-
   const removeFile = (fileID: string) => {
     if (fileUploader.current)
       fileUploader.current.value = ''
@@ -233,15 +272,7 @@ const FileUploader = ({
   }
   const fileChangeHandle = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
     const files = [...(e.target.files ?? [])] as File[]
-    const validFiles = files.filter(isValid)
-    initialUpload(validFiles)
-  }, [isValid, initialUpload])
-
-  // Callback for folder upload
-  const folderChangeHandle = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
-    const files = [...(e.target.files ?? [])] as File[]
-    const validFiles = files.filter(isValid)
-    initialUpload(validFiles)
+    initialUpload(files.filter(isValid))
   }, [isValid, initialUpload])
 
   const { theme } = useTheme()
@@ -263,36 +294,15 @@ const FileUploader = ({
   return (
     <div className="mb-5 w-[640px]">
       {!hideUpload && (
-        <>
-          <input
-            ref={fileUploader}
-            id="fileUploader"
-            className="hidden"
-            type="file"
-            multiple={!notSupportBatchUpload}
-            accept={ACCEPTS.join(',')}
-            onChange={fileChangeHandle}
-          />
-          {/* folder uploader */}
-          <input
-            ref={dirUploader}
-            className="hidden"
-            type="file"
-            webkitdirectory="true"
-            directory=""
-            onChange={folderChangeHandle}
-          />
-        </>
-      )}
-
-      {/* give user a “Upload Folder” button */}
-      {!hideUpload && (
-        <button
-          onClick={selectFolderHandle}
-          className="mb-2 rounded bg-secondary px-4 py-2 text-black"
-        >
-          Upload Folder
-        </button>
+        <input
+          ref={fileUploader}
+          id="fileUploader"
+          className="hidden"
+          type="file"
+          multiple={!notSupportBatchUpload}
+          accept={ACCEPTS.join(',')}
+          onChange={fileChangeHandle}
+        />
       )}
 
       <div className={cn('mb-1 text-sm font-semibold leading-6 text-text-secondary', titleClassName)}>{t('datasetCreation.stepOne.uploader.title')}</div>