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tests/cases/conformance/jsx/tsxSpreadChildrenInvalidType.tsx(21,9): error TS2609: JSX spread child must be an array type.
==== tests/cases/conformance/jsx/tsxSpreadChildrenInvalidType.tsx (1 errors) ====
declare module JSX {
interface Element { }
interface IntrinsicElements {
[s: string]: any;
}
}
declare var React: any;
interface TodoProp {
id: number;
todo: string;
}
interface TodoListProps {
todos: TodoProp[];
}
function Todo(prop: { key: number, todo: string }) {
return <div>{prop.key.toString() + prop.todo}</div>;
}
function TodoList({ todos }: TodoListProps) {
return <div>
{...<Todo key={todos[0].id} todo={todos[0].todo} />}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2609: JSX spread child must be an array type.
</div>;
}
function TodoListNoError({ todos }: TodoListProps) {
// any is not checked
return <div>
{...(<Todo key={todos[0].id} todo={todos[0].todo} /> as any)}
</div>;
}
let x: TodoListProps;
<TodoList {...x}/>
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