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a tool for shared writing and social publishing
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TypeScript
123456789101112131415161718192021import type { SupabaseClient } from "@supabase/supabase-js";import type { Database } from "supabase/database.types";import { supabaseServerClient } from "supabase/serverClient";
// The publication served on a custom domain, if any. Cross-domain login lands// on the main-site confirm page after leaving the publication's domain;// resolving the originating host back to its publication lets that page adopt// the publication's theme. Mirrors the custom_domains -> publication_domains ->// publications lookup the middleware uses to route custom domains.export async function publicationUriForHost( host: string, supabase: SupabaseClient<Database> = supabaseServerClient,): Promise<string | null> { let { data } = await supabase .from("custom_domains") .select("publication_domains(publications(uri))") .eq("domain", host) .maybeSingle(); return data?.publication_domains?.[0]?.publications?.uri ?? null;}