160b53b2f5
- Nitro middleware resolves page requests once and hands the answer to the render (event.context.seo); the route middleware reuses it - useCmsSeo: html lang, hreflang links, og:locale and exactly one JSON-LD script with one @graph (CMS nodes plus useSchemaNode nodes, merged by @id) - local module (configKey seo): cms (alias of public.seo.enabled), breadcrumbs, links.newTabHint, rootFiles, resolveFiles - GET /api/__seo__/resolve for client navigation through the Nuxt server - smoke harness: count=, exact header=, noheader=, reqheader=, repeated options, resolves/apicalls/noreport lines, --no-site; v0.1.1 suite runs unchanged against a backend without /site
40 lines
1.5 KiB
TypeScript
40 lines
1.5 KiB
TypeScript
// Resolves every navigation before its page runs, so a redirect or a 410
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// wins over the page (also for an old address no page matches). The
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// answer is kept in shared state for the head plugin; on hydration the
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// server's answer comes with the payload and nothing is fetched again.
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import { seoEnabled, seoRedirectTarget, seoResolvableUrl, seoXRobotsTag } from '../utils/seo.ts'
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export default defineNuxtRouteMiddleware(async (to) => {
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const nuxtApp = useNuxtApp()
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const config = useRuntimeConfig()
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if (!seoEnabled(config.public.seo)) return
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if (import.meta.client && nuxtApp.isHydrating && nuxtApp.payload.serverRendered) return
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const state = useSeoAnswer()
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const url = seoResolvableUrl(to.fullPath)
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if (!url) {
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state.value = null
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return
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}
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const answer = await resolveSeo(url)
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state.value = answer
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if (!answer) return
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if (import.meta.server) {
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const header = seoXRobotsTag(answer)
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if (header) useResponseHeader('X-Robots-Tag').value = header
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}
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// On the server a redirect only sends Location (as external), so the
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// target page is not rendered and its headers stay off the redirect.
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const target = seoRedirectTarget(answer)
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if (target) {
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if (import.meta.server) useResponseHeader('X-Robots-Tag').value = undefined
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return navigateTo(target.to, { redirectCode: target.code, external: target.external || import.meta.server })
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}
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if (answer.action === 'gone') {
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return abortNavigation(createError({ statusCode: 410, statusMessage: 'Gone', fatal: true }))
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}
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})
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