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/* ============================================================================
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RESOURCES AND PUBLICATIONS - one publication
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----------------------------------------------------------------------------
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/{locale}/resources-and-publications/{slug}
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Registered in app/routes.ts as "resourcesDetail", a SIBLING of the listing
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route under the ":lang" layout, and typed against its generated `./+types/`
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module.
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404s
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A slug that does not exist is a 404, and so is a collection Strapi has not
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been given yet - `fetchBySlug` maps Strapi's own 404 to null and rethrows
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anything else, so an outage stays a 500 instead of being advertised to a
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crawler as "this publication does not exist".
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========================================================================= */
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import { useLoaderData } from "react-router";
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import { Button } from "~/components/ui/Button";
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import {
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formatDate,
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formatFileSize,
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sectionPath,
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toIsoDate,
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translate,
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useTranslation,
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type TranslationKey,
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} from "~/i18n";
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import { requireEntity } from "~/lib/strapi";
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import { buildArticleJsonLd, buildBreadcrumbJsonLd, buildMeta } from "~/lib/seo";
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import type { Route } from "./+types/resources-and-publications.$slug";
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import {
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collectLocalizedSlugs,
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detailAlternateDescriptors,
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LOCALIZATION_POPULATE,
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SELF_ALTERNATES_HANDLE,
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} from "./_shared/alternates";
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import {
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CMS,
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fetchBySlug,
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taxonomyNames,
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toFile,
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toImage,
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type ResourceEntry,
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type ResourceType,
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} from "./_shared/cms";
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import { readRootSeo, requireLocale, withParam } from "./_shared/listing";
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import {
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BackLink,
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MetaList,
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MetaLine,
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PageHeader,
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PageShell,
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TopicChips,
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type MetaItem,
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} from "./_shared/listing-ui";
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import { DETAIL_COPY, RESOURCES_COPY } from "./_shared/page-copy";
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const TYPE_LABEL: Readonly<Record<ResourceType, TranslationKey>> = {
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"research-perception": "resources.categoryResearch",
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"policy-article": "resources.categoryPolicy",
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"project-report": "resources.categoryReports",
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"visibility-factsheet": "resources.categoryVisibility",
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};
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/**
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* A Strapi 5 localisation carries its own slug, so this page emits its own
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* canonical + hreflang instead of letting the shell swap the locale prefix.
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*/
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export const handle = SELF_ALTERNATES_HANDLE;
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/* ---------------------------------------------------------------------------
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LOADER
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------------------------------------------------------------------------ */
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export async function loader({ params }: Route.LoaderArgs) {
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const locale = requireLocale(params.lang);
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const slug = params.slug ?? "";
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const entry = requireEntity(
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await fetchBySlug<ResourceEntry>(CMS.resources, slug, {
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locale,
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populate: {
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thumbnail: {
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fields: ["url", "alternativeText", "width", "height", "formats"],
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},
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file: { fields: ["url", "name", "ext", "mime", "size"] },
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partnerOrganisations: { fields: ["name", "slug"] },
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topics: { fields: ["name", "slug"] },
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localizations: LOCALIZATION_POPULATE,
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},
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}),
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);
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const file = toFile(entry.file);
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const date = entry.publicationDate ?? entry.publishedAt ?? undefined;
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const cover = toImage(entry.thumbnail, "large");
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return {
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locale,
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slug: entry.slug,
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alternates: collectLocalizedSlugs(locale, entry.slug, entry.localizations),
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title: entry.title,
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summary: entry.description ?? undefined,
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typeLabel: entry.resourceType
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? translate(locale, TYPE_LABEL[entry.resourceType])
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: undefined,
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date,
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dateIso: toIsoDate(date),
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dateLabel: date ? formatDate(date, locale) : undefined,
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modifiedIso: toIsoDate(entry.updatedAt),
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/** Free text in the CMS, rendered as the editor wrote it. */
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authors: entry.authors?.trim() || undefined,
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partners: taxonomyNames(entry.partnerOrganisations),
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topics: (entry.topics ?? [])
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.filter((topic) => Boolean(topic?.slug && topic?.name))
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.map((topic) => ({ label: topic.name, slug: topic.slug })),
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cover,
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file: file
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? { ...file, label: `${file.kind} · ${formatFileSize(file.sizeBytes, locale)}` }
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: undefined,
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externalUrl: entry.externalUrl ?? undefined,
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};
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}
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/* ---------------------------------------------------------------------------
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META
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The shell's prefix-swapped canonical + hreflang is suppressed for this
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route by `handle = SELF_ALTERNATES_HANDLE`; the correct pair is appended
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below from the counterpart's real slug.
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------------------------------------------------------------------------ */
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export function meta({ matches, loaderData }: Route.MetaArgs) {
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const root = readRootSeo(matches);
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const entry = loaderData as Awaited<ReturnType<typeof loader>> | undefined;
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const fallback = RESOURCES_COPY[root.locale];
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if (!entry) {
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return buildMeta({
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locale: root.locale,
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pathname: root.pathname,
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siteUrl: root.siteUrl,
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title: fallback.heading,
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description: fallback.metaDescription,
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});
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}
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const description = entry.summary ?? fallback.metaDescription;
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const descriptors = buildMeta({
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locale: root.locale,
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pathname: root.pathname,
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siteUrl: root.siteUrl,
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title: entry.title,
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description,
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type: "article",
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...(entry.cover
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? { image: { url: entry.cover.src, alt: entry.cover.alt } }
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: {}),
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...(entry.dateIso
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? {
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article: {
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publishedTime: entry.dateIso,
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...(entry.modifiedIso ? { modifiedTime: entry.modifiedIso } : {}),
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...(entry.authors ? { authors: [entry.authors] } : {}),
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...(entry.typeLabel ? { section: entry.typeLabel } : {}),
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tags: entry.topics.map((topic) => topic.label),
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},
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}
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: {}),
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jsonLd: [
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buildBreadcrumbJsonLd(root.siteUrl, [
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{ name: "SHARP-ER", pathname: sectionPath("home", root.locale) },
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{ name: fallback.heading, pathname: sectionPath("resources", root.locale) },
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{ name: entry.title, pathname: root.pathname },
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]),
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...(entry.dateIso
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? [
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buildArticleJsonLd({
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siteUrl: root.siteUrl,
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locale: root.locale,
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headline: entry.title,
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pathname: root.pathname,
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datePublished: entry.dateIso,
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...(entry.modifiedIso ? { dateModified: entry.modifiedIso } : {}),
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...(entry.summary ? { description: entry.summary } : {}),
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...(entry.cover ? { image: entry.cover.src } : {}),
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...(entry.authors ? { authorName: entry.authors } : {}),
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...(entry.typeLabel ? { section: entry.typeLabel } : {}),
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keywords: entry.topics.map((topic) => topic.label),
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}),
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]
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: []),
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],
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});
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return [
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...descriptors,
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...detailAlternateDescriptors({
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siteUrl: root.siteUrl,
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section: "resources",
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locale: root.locale,
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slugs: entry.alternates,
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}),
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];
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}
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/* ---------------------------------------------------------------------------
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PAGE
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------------------------------------------------------------------------ */
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export default function ResourceDetail() {
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const entry = useLoaderData<typeof loader>();
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const { t, locale } = useTranslation();
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const listingPath = sectionPath("resources", locale);
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const detail = DETAIL_COPY[locale];
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const downloadHref = entry.file?.url ?? entry.externalUrl;
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const metaItems: MetaItem[] = [
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...(entry.dateLabel
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? [
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{
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label: detail.published,
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value: <time dateTime={entry.dateIso ?? entry.date}>{entry.dateLabel}</time>,
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},
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]
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: []),
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...(entry.authors ? [{ label: detail.author, value: entry.authors }] : []),
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...(entry.partners.length > 0
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? [{ label: detail.partner, value: entry.partners.join(", ") }]
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: []),
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];
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return (
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<PageShell>
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<BackLink to={listingPath} label={detail.backToListing} />
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<article className="flex flex-col gap-2xl">
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<PageHeader
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eyebrow={entry.typeLabel}
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heading={entry.title}
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intro={entry.summary}
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>
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<MetaLine items={[entry.dateLabel ?? "", entry.authors ?? ""]} />
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</PageHeader>
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{entry.cover ? (
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<img
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src={entry.cover.src}
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alt={entry.cover.alt}
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width={entry.cover.width}
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height={entry.cover.height}
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decoding="async"
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className="w-full rounded-card border border-border-subtle object-cover"
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/>
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) : null}
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<div className="grid gap-2xl lg:grid-cols-[minmax(0,1fr)_18rem] lg:items-start">
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<div className="flex max-w-[var(--layout-prose-max)] flex-col gap-lg">
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{/* A publication has no rich-text body in the CMS - it IS the
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document. `description` is the standfirst above. */}
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{downloadHref ? (
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<div className="flex flex-wrap items-center gap-md">
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<Button
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as="a"
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href={downloadHref}
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variant="primary"
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{...(entry.file
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? { download: entry.file.name }
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: { target: "_blank", rel: "noopener noreferrer" })}
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>
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{entry.file ? t("actions.download") : detail.openExternal}
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</Button>
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{entry.file ? (
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<span className="body-sm text-text-tertiary">{entry.file.label}</span>
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) : null}
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</div>
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) : null}
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</div>
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<aside className="flex flex-col gap-lg">
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<MetaList heading={detail.aboutThis} items={metaItems} />
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<TopicChips
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heading={detail.topics}
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topics={entry.topics.map((topic) => ({
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label: topic.label,
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href: `${listingPath}${withParam(new URLSearchParams(), "topic", topic.slug)}`,
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}))}
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/>
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</aside>
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</div>
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</article>
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</PageShell>
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);
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}
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