45 lines
1.5 KiB
JavaScript
45 lines
1.5 KiB
JavaScript
module.exports = async function breadcrumbs (req, res, next) {
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if (!req.context.page) return next()
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if (req.context.page.hidden) 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 currentSiteTree = req.context.siteTree[req.context.currentLanguage][req.context.currentVersion]
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await createBreadcrumb(
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// Array of child pages on the root, i.e., the product level.
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currentSiteTree.childPages,
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req.context
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)
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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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let childPage = pageArray.find(page => context.currentPath.startsWith(page.href))
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// Fall back to English if needed
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if (!childPage) {
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childPage = pageArray.find(page => context.currentPath.startsWith(page.href.replace(`/${context.currentLanguage}`, '/en')))
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if (!childPage) return
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}
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context.breadcrumbs.push({
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documentType: childPage.page.documentType,
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href: childPage.href,
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title: childPage.renderedShortTitle || childPage.renderedFullTitle
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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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