2021-02-11 21:31:41 +08:00

134 lines
3.2 KiB
Vue

<script>
import { isActive, hashRE, groupHeaders } from '../util'
export default {
functional: true,
props: ['item', 'sidebarDepth'],
render (h,
{
parent: {
$page,
$site,
$route,
$themeConfig,
$themeLocaleConfig
},
props: {
item,
sidebarDepth
}
}) {
// use custom active class matching logic
// due to edge case of paths ending with / + hash
const selfActive = isActive($route, item.path)
// for sidebar: auto pages, a hash link should be active if one of its child
// matches
const active = item.type === 'auto'
? selfActive || item.children.some(c => isActive($route, item.basePath + '#' + c.slug))
: selfActive
const link = item.type === 'external'
? renderExternal(h, item.path, item.title || item.path)
: renderLink(h, item.path, item.title || item.path, active)
const maxDepth = [
$page.frontmatter.sidebarDepth,
sidebarDepth,
$themeLocaleConfig.sidebarDepth,
$themeConfig.sidebarDepth,
1
].find(depth => depth !== undefined)
const displayAllHeaders = $themeLocaleConfig.displayAllHeaders
|| $themeConfig.displayAllHeaders
if (item.type === 'auto') {
return [link, renderChildren(h, item.children, item.basePath, $route, maxDepth)]
} else if ((active || displayAllHeaders) && item.headers && !hashRE.test(item.path)) {
const children = groupHeaders(item.headers)
return [link, renderChildren(h, children, item.path, $route, maxDepth)]
} else {
return link
}
}
}
function renderLink (h, to, text, active, level) {
const component = {
props: {
to,
activeClass: '',
exactActiveClass: ''
},
class: {
active,
'sidebar-link': true
}
}
if (level > 2) {
component.style = {
'padding-left': level + 'rem'
}
}
return h('RouterLink', component, text)
}
function renderChildren (h, children, path, route, maxDepth, depth = 1) {
if (!children || depth > maxDepth) return null
return h('ul', { class: 'sidebar-sub-headers' }, children.map(c => {
const active = isActive(route, path + '#' + c.slug)
return h('li', { class: 'sidebar-sub-header' }, [
renderLink(h, path + '#' + c.slug, c.title, active, c.level - 1),
renderChildren(h, c.children, path, route, maxDepth, depth + 1)
])
}))
}
function renderExternal (h, to, text) {
return h('a', {
attrs: {
href: to,
target: '_blank',
rel: 'noopener noreferrer'
},
class: {
'sidebar-link': true
}
}, [text, h('OutboundLink')])
}
</script>
<style lang="stylus">
.sidebar .sidebar-sub-headers
padding-left 1rem
font-size 0.95em
a.sidebar-link
font-size 1em
font-weight 400
display inline-block
color $textColor
border-left 0.25rem solid transparent
padding 0.35rem 1rem 0.35rem 1.25rem
line-height 1.4
width: 100%
box-sizing: border-box
&:hover
color $accentColor
&.active
font-weight 600
color $accentColor
border-left-color $accentColor
.sidebar-group &
padding-left 2rem
.sidebar-sub-headers &
padding-top 0.25rem
padding-bottom 0.25rem
border-left none
&.active
font-weight 500
</style>