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jsxElementTypeLiteralWithGeneric.types
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48 lines (38 loc) · 1.07 KB
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//// [tests/cases/compiler/jsxElementTypeLiteralWithGeneric.tsx] ////
=== Performance Stats ===
Assignability cache: 2,100 / 2,100 (nearest 100)
Type Count: 7,700 / 7,700 (nearest 100)
Instantiation count: 91,500 / 91,500 (nearest 500)
Symbol count: 66,500 / 66,500 (nearest 500)
=== jsxElementTypeLiteralWithGeneric.tsx ===
/// <reference path="react16.d.ts" />
import * as React from "react";
>React : typeof React
declare global {
>global : any
namespace JSX {
type ElementType<P = any> =
>ElementType : ElementType<P>
| {
[K in keyof JSX.IntrinsicElements]: P extends JSX.IntrinsicElements[K]
>JSX : any
>JSX : any
? K
: never;
}[keyof JSX.IntrinsicElements]
>JSX : any
| React.ComponentType<P>;
>React : any
}
}
// should be fine - `ElementType` accepts `div`
let a = <div />;
>a : JSX.Element
><div /> : JSX.Element
>div : any
// Should be an error.
// `ruhroh` is in neither `IntrinsicElements` nor `ElementType`
let c = <ruhroh />;
>c : JSX.Element
><ruhroh /> : JSX.Element
>ruhroh : any