24 lines
887 B
TypeScript
24 lines
887 B
TypeScript
// @filename: file.tsx
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// @jsx: preserve
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// @module: amd
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// @noLib: true
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// @libFiles: react.d.ts,lib.d.ts
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import React = require('react')
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// Error, can only spread object type
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declare function Component<U>(l: U): JSX.Element;
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function createComponent<T extends { prop: number }>(arg: T) {
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let a1 = <Component {...arg} />;
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let a2 = <Component {...arg} prop1 />;
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}
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declare function ComponentSpecific<U>(l: { prop: U }): JSX.Element;
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declare function ComponentSpecific1<U>(l: { prop: U, "ignore-prop": number }): JSX.Element;
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// Error, can only spread object type
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function Bar<T extends { prop: number }>(arg: T) {
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let a1 = <ComponentSpecific {...arg} ignore-prop="hi" />; // U is number
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let a2 = <ComponentSpecific1 {...arg} ignore-prop={10} />; // U is number
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let a3 = <ComponentSpecific {...arg} prop="hello" />; // U is "hello"
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}
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