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Blog

route-moduleBeginnerserverbrowserlive demo

The blog home page with featured slides, categories and latest articles, rendering empty lists rather than an error when the blog fails to load.

import { Blog, BlogPage, blogLoader, BlogPageProps } from '@salla.sa/twilight-theme-engine/routes/blog';

In plain words

Salla stores can publish a blog. Its home page at /blog shows featured articles in a slider, the categories beside them and a list of articles. Blog.loader fetches all of it in one request.

The component only draws the data it is given, so a route can change what appears (drop the slider, show fewer articles) through the loader's extend argument, as the demo does. The real page runs on Built-in pages.

Signature

const Blog: {
  readonly id: 'blog.index';
  readonly loader: (
    ctx?: { locale?: string },
    extend?: (data: BlogPageProps, ctx: { params: {} }) => Record<string, unknown> | Promise<Record<string, unknown>>
  ) => Promise<BlogPageProps>;
  readonly head: (ctx: TwilightContext, data: BlogPageProps) => HeadDescriptor;
  readonly Component: React.LazyExoticComponent<(props: BlogPageProps) => JSX.Element>;
};

const BlogPage: typeof Blog.Component;
function blogLoader(): Promise<BlogPageProps>;

interface BlogPageProps {
  page: Page;                        // title: the blocks.footer.blog translation, or 'Blog'
  articles: ArticleSummary[];
  categories?: BlogCategoryType[];
  slides?: ArticleSummary[];
  popular?: ArticleSummary[];        // loaded, not drawn by BlogPage
}

Try it live

The engine's blog home drawn from this store's real blog, with the changes a route's extend argument can make to its data.Try this: turn the slider off: with no slides the page shows its own heading instead. Then set the article count to 0.
Storefront canvas · en · LTR

Loading the blog…

Controls
Keep the slides
What a theme writes
// app/routes.ts: route('/blog', 'blog-custom.tsx')
import { createFileRoute } from '@tanstack/react-router';
import { Blog, type BlogPageProps } from '@salla.sa/twilight-theme-engine/routes/blog';
import { BlogSkeleton } from '@salla.sa/twilight-theme-engine/skeleton';
import { withHead } from '@salla.sa/twilight-theme-engine/tanstack';

export const Route = createFileRoute('/{-$locale}/blog')({
  loader: ({ params }): Promise<BlogPageProps> =>
    Blog.loader({ locale: params.locale }, (data) => ({ articles: data.articles.slice(0, 4) })),
  head: withHead(Blog),
  pendingComponent: () => <BlogSkeleton />,
  component: BlogCustom,
});

function BlogCustom() {
  const data: BlogPageProps = Route.useLoaderData();
  return <Blog.Component {...data} />;
}

Example

app/routes/blog.tsx (generated)
import { createFileRoute } from '@tanstack/react-router';
import { Blog } from '@salla.sa/twilight-theme-engine/routes/blog';
import type { BlogPageProps } from '@salla.sa/twilight-theme-engine/routes/blog';
import { BlogSkeleton } from '@salla.sa/twilight-theme-engine/skeleton';
import { withHead } from '@salla.sa/twilight-theme-engine/tanstack';

export const Route = createFileRoute('/{-$locale}/blog')({
  loader: ({ params }): Promise<BlogPageProps> => Blog.loader({ locale: params.locale }),
  head: withHead(Blog),
  pendingComponent: () => <BlogSkeleton />,
  component: BlogComponent,
});

function BlogComponent() {
  const data: BlogPageProps = Route.useLoaderData();
  return <Blog.Component {...data} />;
}

How it behaves

  • URL: /{-$locale}/blog, with BlogSkeleton as the pending component.

  • blogLoader reads the blog overview and builds the breadcrumbs Home › Blog. It takes no locale: the API language comes from the request.

  • head sets the title and hreflang alternates, plus a description only when page.description is set, which the loader never does.

  • BlogPage renders the slides in Salla's slider web component, the categories as a sidebar on large screens, the article cards, and the slots blog:start, blog:items.start, blog:items.end and blog:end. With no slides it shows its own heading; with no slides and no articles, NoContent.

  • There is no public blog API subpath. Outside a loader, read the blog with the API client: api.get('blog').json() from @salla.sa/twilight-theme-engine/api/client, whose lists can be null (the demo shows how).

  • Lazy: outside a route, wrap BlogPage in <Suspense>.

Gotchas

  • blogLoader catches every error and returns the page with empty articles, categories, slides and popular, without logging. A store without a blog and a failed request look the same: an empty blog. Check the network panel before assuming the blog is empty.

Related

BlogSingle

One blog article with its related articles, likes and comments, using the article's own SEO title, description and image when set.

BlogAuthorRoute, BlogCategoryRoute, BlogTagRoute

Blog article lists filtered by one author, one category or one tag, each with the category sidebar and more articles as the reader scrolls.

Blog data types

The shapes of blog articles, authors, categories and tags that the blog loaders return, for typing your own blog components.

api

The HTTP client behind every engine API module: ky, pointed at the Salla Store API, adding store, language, version, token and branch headers.

Source and docs