648bd6e9e0
* Skip more lib checks, improve test execution time a bit more * Change complexRecursiveCollections to still check * Remove way more
43 lines
1.1 KiB
TypeScript
43 lines
1.1 KiB
TypeScript
// @filename: file.tsx
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// @jsx: preserve
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// @noLib: true
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// @skipLibCheck: true
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// @libFiles: react.d.ts,lib.d.ts
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import React = require('react');
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function Greet(x: {name?: string}) {
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return <div>Hello, {x}</div>;
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}
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class BigGreeter extends React.Component<{ name?: string }, {}> {
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render() {
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return <div></div>;
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}
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greeting: string;
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}
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// OK
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let a = <Greet />;
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// OK - always valid to specify 'key'
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let b = <Greet key="k" />;
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// Error - not allowed to specify 'ref' on SFCs
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let c = <Greet ref="myRef" />;
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// OK - ref is valid for classes
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let d = <BigGreeter ref={x => x.greeting.substr(10)} />;
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// Error ('subtr' not on string)
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let e = <BigGreeter ref={x => x.greeting.subtr(10)} />;
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// Error (ref callback is contextually typed)
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let f = <BigGreeter ref={x => x.notARealProperty} />;
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// OK - key is always valid
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let g = <BigGreeter key={100} />;
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// OK - contextually typed intrinsic ref callback parameter
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let h = <div ref={x => x.innerText} />;
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// Error - property not on ontextually typed intrinsic ref callback parameter
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let i = <div ref={x => x.propertyNotOnHtmlDivElement} />;
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