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[Card] Fix TypeScript not recognizing "component" prop #20179
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180 changes: 180 additions & 0 deletions
180
packages/material-ui/src/CardHeader/CardHeader.spec.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,180 @@ | ||
| import * as React from 'react'; | ||
| import CardHeader from '@material-ui/core/CardHeader'; | ||
|
|
||
| const CustomComponent: React.FC<{ stringProp: string; numberProp: number }> = () => <div />; | ||
|
|
||
| function componentPropTest() { | ||
| <CardHeader component="div" />; | ||
| <CardHeader component={CustomComponent} stringProp="string" numberProp={1} />; | ||
| // $ExpectError | ||
| <CardHeader component="incorrectComponent" />; | ||
| // $ExpectError | ||
| <CardHeader component={CustomComponent} />; | ||
| } | ||
|
|
||
| function mixedCardHeaderComponentAndTypographyTest() { | ||
| <CardHeader component="div" titleTypographyProps={{ component: 'a', href: 'href' }} />; | ||
| <CardHeader component="div" subheaderTypographyProps={{ component: 'a', href: 'href' }} />; | ||
| <CardHeader | ||
| component={CustomComponent} | ||
| stringProp="string" | ||
| numberProp={1} | ||
| titleTypographyProps={{ component: CustomComponent, stringProp: 'stringProp', numberProp: 2 }} | ||
| />; | ||
| <CardHeader | ||
| component={CustomComponent} | ||
| stringProp="string" | ||
| numberProp={1} | ||
| titleTypographyProps={{ component: CustomComponent, stringProp: 'stringProp', numberProp: 2 }} | ||
| subheaderTypographyProps={{ | ||
| component: CustomComponent, | ||
| stringProp: 'stringProp', | ||
| numberProp: 2, | ||
| }} | ||
| />; | ||
| // $ExpectError | ||
| <CardHeader component="incorrectComponent" />; | ||
| // $ExpectError | ||
| <CardHeader component={CustomComponent} />; | ||
| <CardHeader | ||
| component={CustomComponent} | ||
| stringProp="string" | ||
| numberProp={1} | ||
| // $ExpectError | ||
| titleTypographyProps={{ component: CustomComponent, stringProp: 'stringProp' }} | ||
| subheaderTypographyProps={{ | ||
| component: CustomComponent, | ||
| stringProp: 'stringProp', | ||
| numberProp: 2, | ||
| }} | ||
| />; | ||
| // $ExpectError | ||
| <CardHeader | ||
| component={CustomComponent} | ||
| stringProp="string" | ||
| numberProp={1} | ||
| titleTypographyProps={{ component: CustomComponent, stringProp: 'stringProp' }} | ||
| subheaderTypographyProps={{ component: CustomComponent, stringProp: 'stringProp' }} | ||
| />; | ||
| <CardHeader | ||
| // $ExpectError | ||
| component="incorrectComponent" | ||
| stringProp="string" | ||
| numberProp={1} | ||
| titleTypographyProps={{ component: CustomComponent, stringProp: 'stringProp', numberProp: 2 }} | ||
| subheaderTypographyProps={{ | ||
| component: CustomComponent, | ||
| stringProp: 'stringProp', | ||
| numberProp: 2, | ||
| }} | ||
| />; | ||
| } | ||
|
|
||
| function titleTypographyPropsTest() { | ||
| // $ExpectError | ||
| <CardHeader titleTypographyProps={{ component: 'incorrectComponent' }} />; | ||
| <CardHeader titleTypographyProps={{ component: 'a', href: 'href' }} />; | ||
| <CardHeader | ||
| titleTypographyProps={{ component: CustomComponent, stringProp: 'stringProp', numberProp: 2 }} | ||
| />; | ||
| <CardHeader titleTypographyProps={{ variant: 'h1' }} />; | ||
| <CardHeader titleTypographyProps={{ align: 'left' }} />; | ||
| <CardHeader | ||
| titleTypographyProps={{ | ||
| color: 'primary', | ||
| display: 'block', | ||
| gutterBottom: true, | ||
| noWrap: true, | ||
| variantMapping: { h1: 'h1' }, | ||
| }} | ||
| />; | ||
| // $ExpectError | ||
| <CardHeader titleTypographyProps={{ component: CustomComponent, numberProp: 2 }} />; | ||
| <CardHeader | ||
| titleTypographyProps={{ | ||
| component: 'a', | ||
| // $ExpectError | ||
| propThatDoesntExist: 'shouldNotWork', | ||
| }} | ||
| />; | ||
| } | ||
|
|
||
| function subheaderTypographyPropsTest() { | ||
| <CardHeader subheaderTypographyProps={{ component: 'a', href: 'href' }} />; | ||
| <CardHeader | ||
| subheaderTypographyProps={{ | ||
| component: CustomComponent, | ||
| stringProp: 'stringProp', | ||
| numberProp: 2, | ||
| }} | ||
| />; | ||
| <CardHeader subheaderTypographyProps={{ variant: 'h1' }} />; | ||
| <CardHeader subheaderTypographyProps={{ align: 'left' }} />; | ||
| <CardHeader | ||
| subheaderTypographyProps={{ | ||
| color: 'primary', | ||
| display: 'block', | ||
| gutterBottom: true, | ||
| noWrap: true, | ||
| variantMapping: { h1: 'h1' }, | ||
| }} | ||
| />; | ||
| <CardHeader | ||
| subheaderTypographyProps={{ | ||
| component: 'a', | ||
| // $ExpectError | ||
| propThatDoesntExist: 'shouldNotWork', | ||
| }} | ||
| />; | ||
| // $ExpectError | ||
| <CardHeader subheaderTypographyProps={{ component: 'incorrectComponent' }} />; | ||
| // $ExpectError | ||
| <CardHeader subheaderTypographyProps={{ component: CustomComponent, numberProp: 2 }} />; | ||
| } | ||
|
|
||
| function mixedTypographyPropsTest() { | ||
| <CardHeader | ||
| titleTypographyProps={{ component: 'a', href: 'href' }} | ||
| subheaderTypographyProps={{ component: 'a', href: 'href' }} | ||
| />; | ||
| <CardHeader | ||
| titleTypographyProps={{ component: CustomComponent, stringProp: 'stringProp', numberProp: 2 }} | ||
| subheaderTypographyProps={{ | ||
| component: CustomComponent, | ||
| stringProp: 'stringProp', | ||
| numberProp: 2, | ||
| }} | ||
| />; | ||
| // $ExpectError | ||
| <CardHeader | ||
| titleTypographyProps={{ component: 'incorrectComponent' }} | ||
| subheaderTypographyProps={{ component: 'incorrectComponent' }} | ||
| />; | ||
| <CardHeader | ||
| titleTypographyProps={{ | ||
| component: 'a', | ||
| // $ExpectError | ||
| propThatDoesntExist: 'shouldNotWork', | ||
| }} | ||
| subheaderTypographyProps={{ | ||
| component: 'a', | ||
| // $ExpectError | ||
| propThatDoesntExist: 'shouldNotWork', | ||
| }} | ||
| />; | ||
| // $ExpectError | ||
| <CardHeader | ||
| titleTypographyProps={{ component: CustomComponent, numberProp: 2 }} | ||
| subheaderTypographyProps={{ component: CustomComponent, numberProp: 2 }} | ||
| />; | ||
| <CardHeader | ||
| // $ExpectError | ||
| titleTypographyProps={{ component: CustomComponent, numberProp: 2 }} | ||
| subheaderTypographyProps={{ component: CustomComponent, numberProp: 2, stringProp: 'yada' }} | ||
| />; | ||
| <CardHeader | ||
| titleTypographyProps={{ component: CustomComponent, numberProp: 2, stringProp: 'yada' }} | ||
| // $ExpectError | ||
| subheaderTypographyProps={{ component: CustomComponent, numberProp: 2 }} | ||
| />; | ||
| } | ||
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@eps1lon @fyodore82 need some advice...
CardHeader has an additional level of complexity compared to
ListItemTextin that it's a type map.The component prop on both
titleTypographyProps&subheaderTypographyPropsnow works as expected. However I can't seem to find the way to get these particular set of tests to fail — the tests that look into unknown props on typography object. The nested typography prop objects accept any number of unknown props. The correct typography props work as expected and the optional component prop too but the typing system just let's any other unknown props go through as well.FYI: At the moment, the
test_typesbuild on the CI is broken for this reason.There was a problem hiding this comment.
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I don't have the bandwidth to deep-dive into this issue. Maybe some issue with to many free type parameters or some quirk in JSX.
For now just document that this is undesired behavior in code comments. In addition it might be nice to extend these undesired behavior with tests using
createElementdirectly (instead of JSX) and if wrong value types are rejected e.g. { variant: 123213 } or { component: SomeComponentImplementingFooNumber, foo: 'a-string-which-should-be-a-number' }There was a problem hiding this comment.
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componentprop type like it does in JSX — both for CardHeader and it's nested typography items.{ variant: 123213 }, etc)