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64 lines
1.6 KiB
TypeScript
64 lines
1.6 KiB
TypeScript
import type { GetServerSideProps } from "next";
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export const getServerSideProps: GetServerSideProps<Record<string, never>> = async (context) => {
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const { res } = context;
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// this production check should be unnecessary because "noindex" and "nofollow" are also set in a meta tag (see
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// DefaultSeo's props in pages/_app.tsx), but it doesn't hurt...
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const robots = `User-agent: *
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${
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process.env.NEXT_PUBLIC_VERCEL_ENV !== "production"
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? `Disallow: /`
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: `Allow: /
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# I'm already _so_ over this shit...
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# https://github.com/ai-robots-txt/ai.robots.txt/blob/main/robots.txt
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User-agent: AdsBot-Google
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User-agent: Amazonbot
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User-agent: anthropic-ai
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User-agent: Applebot-Extended
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User-agent: Bytespider
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User-agent: CCBot
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User-agent: ChatGPT-User
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User-agent: Claude-Web
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User-agent: ClaudeBot
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User-agent: cohere-ai
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User-agent: Diffbot
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User-agent: FacebookBot
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User-agent: FriendlyCrawler
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User-agent: Google-Extended
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User-agent: GPTBot
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User-agent: img2dataset
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User-agent: omgili
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User-agent: omgilibot
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User-agent: peer39_crawler
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User-agent: peer39_crawler/1.0
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User-agent: PerplexityBot
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User-agent: YouBot
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User-agent: AhrefsBot
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User-agent: BLEXBot
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User-agent: DataForSeoBot
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User-agent: magpie-crawler
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User-agent: MJ12bot
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User-agent: TurnitinBot
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Disallow: /`
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}
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Sitemap: ${process.env.NEXT_PUBLIC_BASE_URL || ""}/sitemap.xml
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`;
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res.setHeader("content-type", "text/plain; charset=utf-8");
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// cache on edge for one week
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res.setHeader("cache-control", "public, max-age=0, s-maxage=604800, stale-while-revalidate");
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res.write(robots);
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res.end();
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return {
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props: {},
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};
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};
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// eslint-disable-next-line import/no-anonymous-default-export
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export default () => null;
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