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feat(sideNav): Adds support for dividers and header items in the nav. #1

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feat(sideNav): Adds support for dividers and header items in the nav. #1

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87 changes: 75 additions & 12 deletions packages/documentation-framework/components/sideNav/sideNav.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,14 +4,21 @@ import {
Label,
Nav,
NavList,
NavGroup,
NavExpandable,
PageContextConsumer,
capitalize,
Flex,
FlexItem
FlexItem,
Divider
} from '@patternfly/react-core';
import { css } from '@patternfly/react-styles';
import { Location } from '@reach/router';

const DIVIDER_STYLES = {
marginTop: 'var(--pf-t--global--spacer--md)',
marginBottom: 'var(--pf-t--global--spacer--md)'
};
import { makeSlug } from '../../helpers';
import globalBreakpointXl from '@patternfly/react-tokens/dist/esm/t_global_breakpoint_xl';
import { trackEvent } from '../../helpers';
Expand Down Expand Up @@ -163,20 +170,76 @@ export const SideNav = ({ groupedRoutes = {}, navItems = [] }) => {
}
}, []);

const processedItems = React.useMemo(() => {
const result = [];
let currentGroup = null;
let groupItems = [];

for (let i = 0; i < navItems.length; i++) {
const item = navItems[i];

if (item.header) {
if (currentGroup) {
result.push({ type: 'group', title: currentGroup, items: groupItems });
}
currentGroup = item.header;
groupItems = [];
} else if (item.divider) {
if (currentGroup) {
result.push({ type: 'group', title: currentGroup, items: groupItems });
currentGroup = null;
groupItems = [];
}
result.push({ type: 'divider', key: item.divider });
} else {
currentGroup ? groupItems.push(item) : result.push({ type: 'item', ...item });
}
}

if (currentGroup) {
result.push({ type: 'group', title: currentGroup, items: groupItems });
}

return result;
}, [navItems]);

return (
<Nav aria-label="Side Nav" theme="light">
<NavList className="ws-side-nav-list">
{navItems.map(({ section, text, href }) =>
section ? (
<Location key={section}>{({ location }) => ExpandableNav({ groupedRoutes, location, section })}</Location>
) : (
NavItem({
text: text || capitalize(href.replace(/\//g, '').replace(/-/g, ' ')),
href: href
})
)
)}
{processedItems.map(processed => {
if (processed.type === 'divider') {
return <Divider key={processed.key} style={DIVIDER_STYLES} />;
}

if (processed.type === 'group') {
return (
<NavGroup key={processed.title} title={processed.title}>
{processed.items.map(item =>
item.section ? (
<Location key={item.section}>
{({ location }) => ExpandableNav({ groupedRoutes, location, section: item.section })}
</Location>
) : NavItem({
key: item.href,
text: item.text || capitalize(item.href.replace(/\//g, '').replace(/-/g, ' ')),
href: item.href
})
)}
</NavGroup>
);
}

return processed.section ? (
<Location key={processed.section}>
{({ location }) => ExpandableNav({ groupedRoutes, location, section: processed.section })}
</Location>
) : NavItem({
key: processed.href,
text: processed.text || capitalize(processed.href.replace(/\//g, '').replace(/-/g, ' ')),
href: processed.href
});
})}
</NavList>
</Nav>
);
};
};
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