53 lines
1.7 KiB
TypeScript
53 lines
1.7 KiB
TypeScript
import type { Metadata } from "next";
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import { siteConfig } from "@/lib/site";
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import { getSiteUrl, isSiteIndexable } from "./config";
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/**
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* Single shared Metadata builder used by every public page's
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* generateMetadata - guarantees every page gets its own canonical, robots,
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* Open Graph and Twitter/X card data instead of copy-pasted boilerplate
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* (and the accidental duplicate-description bugs that come with that).
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*
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* `path` is the page's path relative to the site root (e.g.
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* "/angebote/doula-begleitung", or "" for the homepage).
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*/
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export async function buildMetadata(args: {
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title: string;
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description: string;
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path: string;
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ogImageUrl?: string;
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keywords?: string;
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noindex?: boolean;
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type?: "website" | "article";
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}): Promise<Metadata> {
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const [siteUrl, sitewideIndexable] = await Promise.all([getSiteUrl(), isSiteIndexable()]);
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const canonical = `${siteUrl}${args.path}`;
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const indexable = !args.noindex && sitewideIndexable;
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const images = args.ogImageUrl ? [{ url: args.ogImageUrl }] : undefined;
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return {
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title: args.title,
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description: args.description,
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keywords: args.keywords,
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alternates: { canonical },
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robots: indexable
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? { index: true, follow: true }
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: { index: false, follow: false },
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openGraph: {
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title: args.title,
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description: args.description,
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url: canonical,
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siteName: siteConfig.name,
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type: args.type ?? "website",
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images,
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locale: siteConfig.locale,
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},
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twitter: {
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card: images ? "summary_large_image" : "summary",
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title: args.title,
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description: args.description,
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images: images?.map((image) => image.url),
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},
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};
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}
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