Files
ipal-kit/dist/modules/frontend/createContentHelpers.js
T
2026-08-03 12:24:28 +02:00

111 lines
3.9 KiB
JavaScript

import { getPayload } from 'payload';
import { cache } from 'react';
import { getArchiveEntries, resolveRoute as resolveRouteRaw } from '../content/index.js';
import { buildRobots, buildSitemapEntries } from '../seo/index.js';
/**
* Bundles the per-request data helpers a frontend needs — the same cached
* wrappers every project was writing by hand (getPayload, settings, locale
* list, route resolution, archive entries).
*
* Everything is wrapped in React `cache()`, so within one request a value is
* fetched once no matter how many times it's asked for — which matters because
* Next runs generateMetadata and the page component separately, and both hit
* these. Crucially the Payload instance is cached *here*, once, so every helper
* shares it; that's why this is a factory and not loose functions importing a
* shared module.
*
* ```ts
* // src/lib/content.ts
* import { createContentHelpers } from 'ipal-kit'
* import config from '@/payload.config'
* import { contentConfig } from '@/content.config'
*
* export const { getCachedPayload, getSettings, getConfiguredLocales, resolveRoute, getEntries } =
* createContentHelpers({ config, content: contentConfig })
* ```
*
* `resolveRoute` and `getEntries` are separate on purpose: routing decides what
* a URL is, fetching gets the listing. Metadata generation needs the first and
* not the second, and a page component composes them in two obvious lines.
*/ export function createContentHelpers({ baseUrl, config, content, i18n, pagesSlug = 'pages', settingsSlug = 'site-settings' }) {
const origin = baseUrl ?? process.env.NEXT_PUBLIC_SERVER_URL ?? '';
const getCachedPayload = cache(async ()=>getPayload({
config: await config
}));
const getConfiguredLocales = cache(async ()=>{
const c = await config;
return c.localization ? c.localization.locales.map((l)=>l.code) : [];
});
const getSettings = cache(async (locale)=>{
const payload = await getCachedPayload();
return payload.findGlobal({
slug: settingsSlug,
depth: 2,
locale: locale
});
});
/** What does this URL point at? Routing only — no listing data. */ const resolveRoute = cache(async (locale, segments, page)=>{
const payload = await getCachedPayload();
return resolveRouteRaw({
content,
locale,
page,
pagesSlug,
payload,
segments,
settingsSlug
});
});
/** One page of a collection's entries, for an archive listing. */ const getEntries = cache(async (collection, locale, page, perPage)=>{
const payload = await getCachedPayload();
return getArchiveEntries({
collection,
locale,
page,
payload,
perPage
});
});
/**
* Ready-made handler for Next's `app/sitemap.ts` — every page and entry with
* per-URL hreflang and lastmod. Re-export it directly:
*
* ```ts
* // app/sitemap.ts
* export { sitemap as default } from '@/lib/content'
* ```
*/ const sitemap = cache(async ()=>{
if (!i18n) {
throw new Error('[ipal] createContentHelpers: pass `i18n` to use the sitemap handler.');
}
return buildSitemapEntries({
baseUrl: origin,
config: i18n,
content,
pagesSlug,
payload: await getCachedPayload(),
settingsSlug
});
});
/**
* Ready-made handler for Next's `app/robots.ts`. Re-export directly:
*
* ```ts
* // app/robots.ts
* export { robots as default } from '@/lib/content'
* ```
*/ const robots = ()=>buildRobots({
baseUrl: origin
});
return {
getCachedPayload,
getConfiguredLocales,
getEntries,
getSettings,
resolveRoute,
robots,
sitemap
};
}
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