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fix: fix next and prev links not working (#130)
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119 changes: 81 additions & 38 deletions
119
src/client/theme-default/composables/nextAndPrevLinks.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,59 +1,102 @@ | ||
| import { computed } from 'vue' | ||
| import { useRoute, useSiteData } from 'vitepress' | ||
| import { useSiteDataByRoute, usePageData } from 'vitepress' | ||
| import { isArray, getPathDirName, ensureStartingSlash } from '../utils' | ||
| import { DefaultTheme } from '../config' | ||
|
|
||
| export function useNextAndPrevLinks() { | ||
| const route = useRoute() | ||
| // TODO: could this be useSiteData<DefaultTheme.Config> or is the siteData | ||
| // resolved and has a different structure? | ||
| const siteData = useSiteData() | ||
|
|
||
| const resolveLink = (targetLink: string) => { | ||
| let target: DefaultTheme.SideBarLink | undefined | ||
| Object.keys(siteData.value.themeConfig.sidebar).some((k) => { | ||
| return siteData.value.themeConfig.sidebar[k].some( | ||
| (v: { children: any }) => { | ||
| if (Array.isArray(v.children)) { | ||
| target = v.children.find((value: any) => { | ||
| return value.link === targetLink | ||
| }) | ||
| } | ||
| return !!target | ||
| } | ||
| ) | ||
| const site = useSiteDataByRoute() | ||
| const page = usePageData() | ||
|
|
||
| const candidates = computed(() => { | ||
| const path = ensureStartingSlash(page.value.relativePath) | ||
| const sidebar = site.value.themeConfig.sidebar | ||
|
|
||
| return getFlatSidebarLinks(path, sidebar) | ||
| }) | ||
|
|
||
| const currentPath = computed(() => { | ||
| const path = ensureStartingSlash(page.value.relativePath) | ||
|
|
||
| return path.replace(/(index)?\.(md|html)$/, '') | ||
| }) | ||
|
|
||
| const currentIndex = computed(() => { | ||
| return candidates.value.findIndex((item) => { | ||
| return item.link === currentPath.value | ||
| }) | ||
| return target | ||
| } | ||
| }) | ||
|
|
||
| const next = computed(() => { | ||
| const pageData = route.data | ||
| if (pageData.frontmatter.next === false) { | ||
| return undefined | ||
| } | ||
| if (typeof pageData.frontmatter.next === 'string') { | ||
| return resolveLink(pageData.frontmatter.next) | ||
| if ( | ||
| site.value.themeConfig.nextLinks !== false && | ||
| currentIndex.value > -1 && | ||
| currentIndex.value < candidates.value.length - 1 | ||
| ) { | ||
| return candidates.value[currentIndex.value + 1] | ||
| } | ||
| return pageData.next | ||
| }) | ||
|
|
||
| const prev = computed(() => { | ||
| const pageData = route.data | ||
| if (pageData.frontmatter.prev === false) { | ||
| return undefined | ||
| if (site.value.themeConfig.prevLinks !== false && currentIndex.value > 0) { | ||
| return candidates.value[currentIndex.value - 1] | ||
| } | ||
| if (typeof pageData.frontmatter.prev === 'string') { | ||
| return resolveLink(pageData.frontmatter.prev) | ||
| } | ||
| return pageData.prev | ||
| }) | ||
|
|
||
| const hasLinks = computed(() => { | ||
| return !!next.value || !!prev.value | ||
| }) | ||
| const hasLinks = computed(() => !!next.value || !!prev.value) | ||
|
|
||
| return { | ||
| next, | ||
| prev, | ||
| hasLinks | ||
| } | ||
| } | ||
|
|
||
| function getFlatSidebarLinks( | ||
| path: string, | ||
| sidebar?: DefaultTheme.SideBarConfig | ||
| ): DefaultTheme.SideBarLink[] { | ||
| if (!sidebar || sidebar === 'auto') { | ||
| return [] | ||
| } | ||
|
|
||
| return isArray(sidebar) | ||
| ? getFlatSidebarLinksFromArray(path, sidebar) | ||
| : getFlatSidebarLinksFromObject(path, sidebar) | ||
| } | ||
|
|
||
| function getFlatSidebarLinksFromArray( | ||
| path: string, | ||
| sidebar: DefaultTheme.SideBarItem[] | ||
| ): DefaultTheme.SideBarLink[] { | ||
| return sidebar.reduce<DefaultTheme.SideBarLink[]>((links, item) => { | ||
| if (item.link) { | ||
| links.push({ text: item.text, link: item.link }) | ||
| } | ||
|
|
||
| if (isSideBarGroup(item)) { | ||
| links = [...links, ...getFlatSidebarLinks(path, item.children)] | ||
| } | ||
|
|
||
| return links | ||
| }, []) | ||
| } | ||
|
|
||
| function getFlatSidebarLinksFromObject( | ||
| path: string, | ||
| sidebar: DefaultTheme.MultiSideBarConfig | ||
| ): DefaultTheme.SideBarLink[] { | ||
| const paths = [path, Object.keys(sidebar)[0]] | ||
| const item = paths.map((p) => sidebar[getPathDirName(p)]).find(Boolean) | ||
|
|
||
| if (isArray(item)) { | ||
| return getFlatSidebarLinksFromArray(path, item) | ||
| } | ||
|
|
||
| return [] | ||
| } | ||
|
|
||
| function isSideBarGroup( | ||
| item: DefaultTheme.SideBarItem | ||
| ): item is DefaultTheme.SideBarGroup { | ||
| return (item as DefaultTheme.SideBarGroup).children !== undefined | ||
| } |
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