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Leonardo Di Vittorio
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Leonardo Di Vittorio
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Aug 11, 2023
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import { render, screen } from '@testing-library/react'; | ||
import * as React from 'react'; | ||
import { Breadcrumbs } from './Breadcrumbs'; | ||
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const renderBreadCrumbs = () => | ||
render( | ||
<Breadcrumbs> | ||
<Breadcrumbs.Link href="/path">Path</Breadcrumbs.Link> | ||
<Breadcrumbs.Link href="/to">to</Breadcrumbs.Link> | ||
<Breadcrumbs.Item>Glory</Breadcrumbs.Item> | ||
</Breadcrumbs> | ||
); | ||
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describe('Breadcrumbs', () => { | ||
it('renders a <a> if we use Link', () => { | ||
expect(render(<Breadcrumbs.Link>Children</Breadcrumbs.Link>)).toMatchHtmlTag('a'); | ||
}); | ||
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it('renders a <span> if we use Item', () => { | ||
expect(render(<Breadcrumbs.Item>Children</Breadcrumbs.Item>)).toMatchHtmlTag('span'); | ||
}); | ||
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it('renders the children', () => { | ||
renderBreadCrumbs(); | ||
expect(screen.getByText('Path')).toBeInTheDocument(); | ||
expect(screen.getByText('to')).toBeInTheDocument(); | ||
expect(screen.getByText('Glory')).toBeInTheDocument(); | ||
}); | ||
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it('passes href to underlying element', () => { | ||
const expectedHref = 'https://free-now.com/'; | ||
const anchorElement = render( | ||
<Breadcrumbs.Link href={expectedHref}>Path</Breadcrumbs.Link> | ||
).container.querySelector('a'); | ||
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expect(anchorElement).toHaveAttribute('href', expectedHref); | ||
}); | ||
}); |
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import React, { Children, ComponentPropsWithoutRef, ReactElement, ReactNode, cloneElement } from 'react'; | ||
import styled from 'styled-components'; | ||
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import { ChevronRightIcon } from '../../icons'; | ||
import { Text } from '../Text/Text'; | ||
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import { Colors } from '../../essentials'; | ||
import { theme } from '../../essentials/theme'; | ||
import { get } from '../../utils/themeGet'; | ||
import { Box } from '../Box/Box'; | ||
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interface InvertedStyle { | ||
/** | ||
* Adjust color for display on a dark background | ||
* @default false | ||
*/ | ||
inverted?: boolean; | ||
} | ||
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interface BreadcrumbsProps extends InvertedStyle { | ||
/** | ||
* Content of the Breadcrumbs | ||
* @required | ||
*/ | ||
children: ReactNode; | ||
} | ||
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interface LinkProps extends ComponentPropsWithoutRef<'a'>, InvertedStyle {} | ||
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type ItemProps = InvertedStyle; | ||
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const BreadcrumbsList = styled.ul` | ||
padding: 0; | ||
list-style: none; | ||
display: flex; | ||
`; | ||
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const BreadcrumbsListItem = styled.li` | ||
display: flex; | ||
`; | ||
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const Breadcrumbs = ({ children, inverted }: BreadcrumbsProps): JSX.Element => { | ||
const arrayChildren = Children.toArray(children); | ||
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return ( | ||
<BreadcrumbsList> | ||
{Children.map(arrayChildren, (child, index) => ( | ||
<BreadcrumbsListItem> | ||
{cloneElement(child as ReactElement, { | ||
inverted | ||
})} | ||
{index < arrayChildren.length - 1 ? ( | ||
<Box mx="0.25rem" height={16} mt="0.125rem"> | ||
<ChevronRightIcon size={16} color={Colors.AUTHENTIC_BLUE_350} /> | ||
</Box> | ||
) : // eslint-disable-next-line unicorn/no-null | ||
null} | ||
</BreadcrumbsListItem> | ||
))} | ||
</BreadcrumbsList> | ||
); | ||
}; | ||
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const Link = styled.a.attrs({ theme })<LinkProps>` | ||
display: inline-block; | ||
color: ${p => (p.inverted ? Colors.WHITE : Colors.ACTION_BLUE_900)}; | ||
cursor: pointer; | ||
line-height: 1.4; | ||
font-family: ${get('fonts.normal')}; | ||
font-size: ${get('fontSizes.1')}; | ||
font-weight: ${get('fontWeights.semibold')}; | ||
text-decoration: none; | ||
&:hover, | ||
&:active { | ||
color: ${p => (p.inverted ? Colors.AUTHENTIC_BLUE_350 : Colors.ACTION_BLUE_1000)}; | ||
text-decoration: underline; | ||
} | ||
`; | ||
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const Item = styled(Text).attrs(({ inverted }: ItemProps) => ({ | ||
secondary: inverted, | ||
fontSize: 'small', | ||
fontWeight: 'semibold' | ||
}))<ItemProps>``; | ||
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Breadcrumbs.Item = Item; | ||
Breadcrumbs.Link = Link; | ||
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export { Breadcrumbs }; |
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import { StoryObj, Meta } from '@storybook/react'; | ||
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import { onDarkBackground } from '../../../docs/parameters'; | ||
import { Breadcrumbs } from '../Breadcrumbs'; | ||
import { DefaultBreadcrumbs } from './DefaultBreadcrumbs'; | ||
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const meta: Meta = { | ||
title: 'Components/Breadcrumbs', | ||
component: Breadcrumbs, | ||
argTypes: { | ||
children: { | ||
table: { | ||
type: { | ||
summary: 'ReactNode' | ||
} | ||
} | ||
}, | ||
inverted: { | ||
options: [true, false], | ||
control: 'select', | ||
table: { | ||
type: { | ||
summary: 'boolean' | ||
} | ||
} | ||
} | ||
} | ||
}; | ||
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export default meta; | ||
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type Story = StoryObj<typeof Breadcrumbs>; | ||
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export const Default: Story = { | ||
render: DefaultBreadcrumbs | ||
}; | ||
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export const Inverted: Story = { | ||
args: { | ||
inverted: true | ||
}, | ||
render: DefaultBreadcrumbs, | ||
parameters: { | ||
...onDarkBackground | ||
} | ||
}; |
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import { Primary, Stories, ArgTypes, Meta } from '@storybook/blocks'; | ||
import { StyledSystemLinks } from '../../../docs/StyledSystemLinks'; | ||
import * as Breadcrumbs from './Breadcrumbs.stories'; | ||
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<Meta of={Breadcrumbs} /> | ||
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# Breadcrumbs | ||
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<Primary /> | ||
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## Properties | ||
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<ArgTypes of={Breadcrumbs} /> | ||
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## Compound components approach | ||
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You can create your Breadcrumbs with active links and text using the following components" | ||
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- **Breadcrumbs** (Wrapper) | ||
- **Breadcrumbs.Link** | ||
- **Breadcrumbs.Text** | ||
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The wrapper component (**Breadcrumbs**) expects a list of children and will render them with the separator. If Inverted variant is passed it will afftect the children. | ||
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We can pass to the Link our favourite router passing the RouterLink in the `as` prop, avoiding the reload of the `a` tags. | ||
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```tsx | ||
<Breadcrumbs> | ||
<Breadcrumbs.Link href="/path">Path</Breadcrumbs.Link> | ||
<Breadcrumbs.Link as={RouterLink} to="/path/to"> | ||
to | ||
</Breadcrumbs.Link> | ||
<Breadcrumbs.Item>Glory</Breadcrumbs.Item> | ||
</Breadcrumbs> | ||
``` | ||
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{/* <StyledSystemLinks component="Link" supportedProps={['margin', 'fontSize', 'textAlign']} /> */} | ||
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<Stories includePrimary={false} /> |
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import React from 'react'; | ||
import { Breadcrumbs } from '../Breadcrumbs'; | ||
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export const DefaultBreadcrumbs = ({ ...props }) => ( | ||
<Breadcrumbs {...props}> | ||
<Breadcrumbs.Link href="/path">Path</Breadcrumbs.Link> | ||
<Breadcrumbs.Link href="/path/to">to</Breadcrumbs.Link> | ||
<Breadcrumbs.Item>Glory</Breadcrumbs.Item> | ||
</Breadcrumbs> | ||
); |