react: add thumbnailWidth prop type for Dashboard components, fixes #1524

packages/@uppy/react/src/Dashboard.d.ts

@@ -24,6 +24,7 @@ export interface DashboardProps {
   disableStatusBar?: boolean;
   disableInformer?: boolean;
   disableThumbnailGenerator?: boolean;
+  thumbnailWidth?: number;
   locale?: Locale;
 }
 

packages/@uppy/react/src/propTypes.js

@@ -43,6 +43,8 @@ const dashboard = {
   disableStatusBar: PropTypes.bool,
   disableInformer: PropTypes.bool,
   disableThumbnailGenerator: PropTypes.bool,
+  // pass-through to ThumbnailGenerator
+  thumbnailWidth: PropTypes.number,
   locale
 }