fix: fix when readEntries method throw error and add new test

Author: huiliangShen

src/traverseFileTree.ts

@@ -21,8 +21,8 @@ const traverseFileTree = async (files: InternalDataTransferItem[], isAccepted) =
     const entries = [];
 
     while (true) {
-      const results = await new Promise<InternalDataTransferItem[]>((resolve, reject) => {
-        dirReader.readEntries(resolve, reject);
+      const results = await new Promise<InternalDataTransferItem[]>((resolve) => {
+        dirReader.readEntries(resolve, () => resolve([]));
       });
 
       if (!results.length) {

tests/uploader.spec.tsx

@@ -48,15 +48,19 @@ const makeFileSystemEntryAsync = item => {
     createReader: () => {
       let first = true;
       return {
-        async readEntries(handle) {
+        async readEntries(handle, error) {
           await sleep(100);
-
+        
           if (!first) {
             return handle([]);
           }
 
+          if (item.error && first) {
+            return error && error(new Error('read file error'))
+          }
+
           first = false;
-          return handle(item.children.map(makeFileSystemEntry));
+          return handle(item.children.map(makeFileSystemEntryAsync));
         },
       };
     },
@@ -532,7 +536,56 @@ describe('uploader', () => {
       setTimeout(() => {
         expect(mockStart.mock.calls.length).toBe(2);
         done();
-      }, 500);
+      }, 1000);
+    });
+
+    it('dragging and dropping files to upload through asynchronous file reading with some readEntries method throw error', (done) => {
+      const input = uploader.container.querySelector('input')!;
+
+      const files = {
+        name: 'foo',
+        children: [
+          {
+            name: 'bar',
+            error: true,
+            children: [
+              {
+                name: '1.png',
+              },
+              {
+                name: 'ffc',
+                children: [
+                  {
+                    name: '7.png',
+                  },
+                  {
+                    name: '8.png',
+                  },
+                ],
+              }
+            ],
+          },
+          {
+            name: 'rc',
+            children: [
+              {
+                name: '3.png',
+              },
+              {
+                name: '4.webp',
+              },
+            ],
+          },
+        ],
+      };
+      fireEvent.drop(input, { dataTransfer: { items: [makeDataTransferItemAsync(files)] } });
+      const mockStart = jest.fn();
+      handlers.onStart = mockStart;
+      
+      setTimeout(() => {
+        expect(mockStart.mock.calls.length).toBe(1);
+        done();
+      }, 1000);
     });
 
     it('unaccepted type files to upload will not trigger onStart when select directory', done => {