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tests/cases/conformance/jsx/file.tsx(19,10): error TS2322: Type '{ ref: string; }' is not assignable to type 'IntrinsicAttributes & { name?: string; }'.
Property 'ref' does not exist on type 'IntrinsicAttributes & { name?: string; }'.
tests/cases/conformance/jsx/file.tsx(25,42): error TS2551: Property 'subtr' does not exist on type 'string'. Did you mean 'substr'?
tests/cases/conformance/jsx/file.tsx(27,33): error TS2339: Property 'notARealProperty' does not exist on type 'BigGreeter'.
tests/cases/conformance/jsx/file.tsx(35,26): error TS2339: Property 'propertyNotOnHtmlDivElement' does not exist on type 'HTMLDivElement'.
==== tests/cases/conformance/jsx/file.tsx (4 errors) ====
import React = require('react');
function Greet(x: {name?: string}) {
return <div>Hello, {x}</div>;
}
class BigGreeter extends React.Component<{ name?: string }, {}> {
render() {
return <div></div>;
}
greeting: string;
}
// OK
let a = <Greet />;
// OK - always valid to specify 'key'
let b = <Greet key="k" />;
// Error - not allowed to specify 'ref' on SFCs
let c = <Greet ref="myRef" />;
~~~~~
!!! error TS2322: Type '{ ref: string; }' is not assignable to type 'IntrinsicAttributes & { name?: string; }'.
!!! error TS2322: Property 'ref' does not exist on type 'IntrinsicAttributes & { name?: string; }'.
// OK - ref is valid for classes
let d = <BigGreeter ref={x => x.greeting.substr(10)} />;
// Error ('subtr' not on string)
let e = <BigGreeter ref={x => x.greeting.subtr(10)} />;
~~~~~
!!! error TS2551: Property 'subtr' does not exist on type 'string'. Did you mean 'substr'?
!!! related TS2728 /.lib/lib.d.ts:438:5: 'substr' is declared here.
// Error (ref callback is contextually typed)
let f = <BigGreeter ref={x => x.notARealProperty} />;
~~~~~~~~~~~~~~~~
!!! error TS2339: Property 'notARealProperty' does not exist on type 'BigGreeter'.
// OK - key is always valid
let g = <BigGreeter key={100} />;
// OK - contextually typed intrinsic ref callback parameter
let h = <div ref={x => x.innerText} />;
// Error - property not on ontextually typed intrinsic ref callback parameter
let i = <div ref={x => x.propertyNotOnHtmlDivElement} />;
~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2339: Property 'propertyNotOnHtmlDivElement' does not exist on type 'HTMLDivElement'.
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