first commit

common/resources/client/uploads/preview/file-preview-context.ts

@@ -0,0 +1,11 @@
+import React from 'react';
+import {FileEntry} from '../file-entry';
+
+export interface FilePreviewContextValue {
+  entries: FileEntry[];
+  activeIndex: number;
+}
+
+export const FilePreviewContext = React.createContext<FilePreviewContextValue>(
+  null!
+);