Merge pull request #17348 from Kovensky/patch-2

react-loadable: Only default is a valid key by default

types/react-loadable/index.d.ts

@@ -44,7 +44,7 @@ export interface OptionsWithoutRender<Props> extends CommonOptions {
      *
      * Resulting React component receives all the props passed to the generated component.
      */
-    loader(): Promise<React.ComponentType<Props> | { [key: string]: React.ComponentType<Props> }>;
+    loader(): Promise<React.ComponentType<Props> | { default: React.ComponentType<Props> }>;
 }
 
 export interface OptionsWithRender<Props, Exports extends object> extends CommonOptions {

types/react-loadable/react-loadable-tests.tsx

@@ -42,7 +42,7 @@ const Loadable300 = Loadable({
   loading: LoadingComponent,
   delay: false,
   timeout: false,
-  render(loaded, props) {
+  render(loaded, props: ComponentProps) {
     const { Component } = loaded;
     return <Component {...props} />;
   }