feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

frontend/packages/arch/bot-hooks-base/__tests__/use-drag-and-paste-upload/helper/get-file-list-by-drag.test.ts

@@ -0,0 +1,124 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+import { describe, it, expect } from 'vitest';
+
+import {
+  getFileListByDragOrPaste,
+  formatTypeFileListToTypeArray,
+} from '../../../src/use-drag-and-paste-upload/helper/get-file-list-by-drag';
+
+describe('getFileListByDragOrPaste', () => {
+  it('should handle drag event with files', () => {
+    const file1 = new File(['content1'], 'file1.txt');
+    const file2 = new File(['content2'], 'file2.txt');
+    const fileList = {
+      0: file1,
+      1: file2,
+      length: 2,
+      item: (index: number) => (index === 0 ? file1 : file2),
+    };
+
+    const dragEvent = {
+      dataTransfer: {
+        files: fileList,
+      },
+    } as unknown as DragEvent;
+
+    const result = getFileListByDragOrPaste(dragEvent);
+    expect(result).toHaveLength(2);
+    expect(result[0]).toBe(file1);
+    expect(result[1]).toBe(file2);
+  });
+
+  it('should handle paste event with files', () => {
+    const file1 = new File(['content1'], 'file1.txt');
+    const fileList = {
+      0: file1,
+      length: 1,
+      item: (index: number) => (index === 0 ? file1 : null),
+    };
+
+    const pasteEvent = {
+      clipboardData: {
+        files: fileList,
+      },
+    } as unknown as ClipboardEvent;
+
+    const result = getFileListByDragOrPaste(pasteEvent);
+    expect(result).toHaveLength(1);
+    expect(result[0]).toBe(file1);
+  });
+
+  it('should return empty array when no files are present', () => {
+    const dragEvent = {
+      dataTransfer: {
+        files: undefined,
+      },
+    } as unknown as DragEvent;
+
+    const result = getFileListByDragOrPaste(dragEvent);
+    expect(result).toHaveLength(0);
+  });
+});
+
+describe('formatTypeFileListToTypeArray', () => {
+  it('should convert FileList to array of Files', () => {
+    const file1 = new File(['content1'], 'file1.txt');
+    const file2 = new File(['content2'], 'file2.txt');
+    const fileList = {
+      0: file1,
+      1: file2,
+      length: 2,
+      item: (index: number) => (index === 0 ? file1 : file2),
+    };
+
+    const result = formatTypeFileListToTypeArray(
+      fileList as unknown as FileList,
+    );
+    expect(result).toHaveLength(2);
+    expect(result[0]).toBe(file1);
+    expect(result[1]).toBe(file2);
+  });
+
+  it('should filter out null items', () => {
+    const file1 = new File(['content1'], 'file1.txt');
+    const fileList = {
+      0: file1,
+      1: null,
+      length: 2,
+      item: (index: number) => (index === 0 ? file1 : null),
+    };
+
+    const result = formatTypeFileListToTypeArray(
+      fileList as unknown as FileList,
+    );
+    expect(result).toHaveLength(1);
+    expect(result[0]).toBe(file1);
+  });
+
+  it('should handle empty FileList', () => {
+    const fileList = {
+      length: 0,
+      item: () => null,
+    };
+
+    const result = formatTypeFileListToTypeArray(
+      fileList as unknown as FileList,
+    );
+    expect(result).toHaveLength(0);
+  });
+});

frontend/packages/arch/bot-hooks-base/__tests__/use-drag-and-paste-upload/helper/is-has-file-by-drag.test.ts

@@ -0,0 +1,59 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+import { describe, it, expect } from 'vitest';
+
+import { isHasFileByDrag } from '../../../src/use-drag-and-paste-upload/helper/is-has-file-by-drag';
+
+describe('isHasFileByDrag', () => {
+  it('should return true when Files type is present', () => {
+    const dragEvent = {
+      dataTransfer: {
+        types: ['Files', 'text/plain'],
+      },
+    } as unknown as DragEvent;
+
+    expect(isHasFileByDrag(dragEvent)).toBe(true);
+  });
+
+  it('should return false when Files type is not present', () => {
+    const dragEvent = {
+      dataTransfer: {
+        types: ['text/plain', 'text/html'],
+      },
+    } as unknown as DragEvent;
+
+    expect(isHasFileByDrag(dragEvent)).toBe(false);
+  });
+
+  it('should return false when dataTransfer is null', () => {
+    const dragEvent = {
+      dataTransfer: null,
+    } as unknown as DragEvent;
+
+    expect(isHasFileByDrag(dragEvent)).toBe(false);
+  });
+
+  it('should return false when types is undefined', () => {
+    const dragEvent = {
+      dataTransfer: {
+        types: [],
+      },
+    } as unknown as DragEvent;
+
+    expect(isHasFileByDrag(dragEvent)).toBe(false);
+  });
+});