spb/cancerindex

1import 'server-only';2import { cache } from 'react';3import { getCancerBySlug, getCounters, getCodes, getAliases, getParents, getChildren, getBreadcrumbPath, getDescendantIds, getAnatomy, getCancerById, type CancerCore } from '@/lib/queries/cancers';45/** Everything the header and every tab need, loaded once per request (React cache). */6export const loadCancer = cache(async (slug: string) => {7  let cancer = await getCancerBySlug(slug);8  let redirectedFrom: CancerCore | null = null;9  if (cancer && cancer.status === 'merged' && cancer.merged_into) {10    const target = await getCancerById(cancer.merged_into);11    if (target) {12      redirectedFrom = cancer;13      cancer = target;14    }15  }16  if (!cancer) return null;17  const [counters, codes, aliases, parents, children, path, descendants, anatomy] = await Promise.all([18    getCounters(cancer.id),19    getCodes(cancer.id),20    getAliases(cancer.id),21    getParents(cancer.id),22    getChildren(cancer.id),23    getBreadcrumbPath(cancer.id),24    getDescendantIds(cancer.id),25    getAnatomy(cancer.id),26  ]);27  return { cancer, redirectedFrom, counters, codes, aliases, parents, children, path, descendants, anatomy };28});2930export type CancerBundle = NonNullable<Awaited<ReturnType<typeof loadCancer>>>;3132export const TABS = [33  { key: 'overview', label: 'Overview' },34  { key: 'statistics', label: 'Statistics' },35  { key: 'survival', label: 'Survival' },36  { key: 'genomics', label: 'Genomics' },37  { key: 'evidence', label: 'Variants & evidence' },38  { key: 'drugs', label: 'Drugs' },39  { key: 'trials', label: 'Trials' },40  { key: 'research', label: 'Research' },41  { key: 'rankings', label: 'Rankings' },42  { key: 'sources', label: 'Sources & provenance' },43] as const;44export type TabKey = (typeof TABS)[number]['key'];45