57 lines
2.0 KiB
JavaScript
57 lines
2.0 KiB
JavaScript
export default async function breadcrumbs(req, res, next) {
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if (!req.context.page) return next()
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if (!req.context.page.relativePath.startsWith('early-access')) return next()
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req.context.breadcrumbs = []
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// Return an empty array on the landing page.
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if (req.context.page.documentType === 'homepage') {
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return next()
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}
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const earlyAccessProduct = req.context.siteTree[req.language][
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req.context.currentVersion
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].childPages.find((childPage) => childPage.page.relativePath === 'early-access/index.md')
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if (!earlyAccessProduct) return next()
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// Create initial landing page breadcrumb
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req.context.breadcrumbs.push({
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documentType: earlyAccessProduct.page.documentType,
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href: '',
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title: earlyAccessProduct.page.title,
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})
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// If this is the Early Access landing page, return now
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if (req.context.currentPath === earlyAccessProduct.href) {
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return next()
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}
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// Otherwise, create breadcrumbs
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await createBreadcrumb(earlyAccessProduct.childPages, req.context)
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return next()
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}
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async function createBreadcrumb(pageArray, context) {
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// Find each page in the siteTree's array of child pages that starts with the requested path.
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const childPage = pageArray.find((page) => context.currentPath.startsWith(page.href))
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// Gray out product breadcrumb links and `Articles` categories
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const hideHref =
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childPage.page.documentType === 'product' ||
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(childPage.page.documentType === 'category' &&
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childPage.page.relativePath.endsWith('/articles/index.md'))
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context.breadcrumbs.push({
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documentType: childPage.page.documentType,
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href: hideHref ? '' : childPage.href,
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title: await childPage.page.renderTitle(context, { textOnly: true, encodeEntities: true }),
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})
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// Recursively loop through the siteTree and create each breadcrumb, until we reach the
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// point where the current siteTree page is the same as the requested page. Then stop.
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if (childPage.childPages && context.currentPath !== childPage.href) {
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createBreadcrumb(childPage.childPages, context)
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}
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}
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