1// @lib: es2019,dom 2// @jsx: react 3 4// @Filename: index.tsx 5interface MiddlewareArray<T> extends Array<T> {} 6declare function configureStore(options: { middleware: MiddlewareArray<any> }): void; 7 8declare const defaultMiddleware: MiddlewareArray<any>; 9configureStore({ 10 middleware: [...defaultMiddleware], // Should not error 11}); 12 13declare namespace React { 14 type DetailedHTMLProps<E extends HTMLAttributes<T>, T> = E; 15 interface HTMLAttributes<T> { 16 children?: ReactNode; 17 } 18 type ReactNode = ReactChild | ReactFragment | boolean | null | undefined; 19 type ReactText = string | number; 20 type ReactChild = ReactText; 21 type ReactFragment = {} | ReactNodeArray; 22 interface ReactNodeArray extends Array<ReactNode> {} 23} 24declare namespace JSX { 25 interface IntrinsicElements { 26 ul: React.DetailedHTMLProps<React.HTMLAttributes<HTMLUListElement>, HTMLUListElement>; 27 li: React.DetailedHTMLProps<React.HTMLAttributes<HTMLLIElement>, HTMLLIElement>; 28 } 29} 30declare var React: any; 31 32const Component = () => { 33 const categories = ['Fruit', 'Vegetables']; 34 35 return ( 36 <ul> 37 <li>All</li> 38 {categories.map((category) => ( 39 <li key={category}>{category}</li> // Error about 'key' only 40 ))} 41 </ul> 42 ); 43}; 44