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tests/cases/conformance/jsx/file.tsx(42,11): error TS2746: This JSX tag's 'children' prop expects a single child of type 'Element', but multiple children were provided.
==== tests/cases/conformance/jsx/file.tsx (1 errors) ====
import React = require('react');
interface Prop {
a: number,
b: string,
children: JSX.Element | JSX.Element[];
}
class Button extends React.Component<any, any> {
render() {
return (<div>My Button</div>)
}
}
function AnotherButton(p: any) {
return <h1>Just Another Button</h1>;
}
function Comp(p: Prop) {
return <div>{p.b}</div>;
}
// OK
let k1 = <Comp a={10} b="hi"><></><Button /><AnotherButton /></Comp>;
let k2 = <Comp a={10} b="hi"><><Button /></><AnotherButton /></Comp>;
let k3 = <Comp a={10} b="hi"><><Button /><AnotherButton /></></Comp>;
interface SingleChildProp {
a: number,
b: string,
children: JSX.Element;
}
function SingleChildComp(p: SingleChildProp) {
return <div>{p.b}</div>;
}
// OK
let k4 = <SingleChildComp a={10} b="hi"><><Button /><AnotherButton /></></SingleChildComp>;
// Error
let k5 = <SingleChildComp a={10} b="hi"><></><Button /><AnotherButton /></SingleChildComp>;
~~~~~~~~~~~~~~~
!!! error TS2746: This JSX tag's 'children' prop expects a single child of type 'Element', but multiple children were provided.
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