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Add an RSS feed

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Astro supports fast, automatic RSS feed generation for blogs and other content websites. RSS feeds provide an easy way for users to subscribe to your content.

The package @astrojs/rss provides helpers for generating RSS feeds using API endpoints. This unlocks both static builds and on-demand generation when using an SSR adapter.

  1. Install @astrojs/rss using your preferred package manager:

    Terminal window
    npm install @astrojs/rss
  2. Create a file in src/pages/ with a name of your choice and the extension .xml.js to be used as the output URL for your feed. Some common RSS feed URL names are feed.xml or rss.xml.

    The example file below src/pages/rss.xml.js will create an RSS feed at site/rss.xml.

  3. Import the rss() helper from the @astrojs/rss package into your .xml.js file and export a function that returns it using the following parameters:

    src/pages/rss.xml.js
    import rss from '@astrojs/rss';
    export function GET(context) {
    return rss({
    // `<title>` field in output xml
    title: 'Buzz’s Blog',
    // `<description>` field in output xml
    description: 'A humble Astronaut’s guide to the stars',
    // Pull in your project "site" from the endpoint context
    // https://docs.astro.build/en/reference/api-reference/#contextsite
    site: context.site,
    // Array of `<item>`s in output xml
    // See "Generating items" section for examples using content collections and glob imports
    items: [],
    // (optional) inject custom xml
    customData: `<language>en-us</language>`,
    });
    }

The items field accepts a list of RSS feed objects, which can be generated from content collections entries using getCollection() or from your page files using pagesGlobToRssItems().

The RSS feed standard format includes the following values for each published item:

  • title: The title of the entry. Optional only if a description is set. Otherwise, required.
  • description: A short excerpt from or describing the entry. Optional only if a title is set. Otherwise, required.
  • link: A URL to the original source of the entry. (optional)
  • pubDate: The date of publication of the entry. (optional)
  • content: The full content of your post. (optional)
  • customData: A field for including any extra data, such as other frontmatter properties from your blog posts.

To create an RSS feed of pages managed in content collections, use the getCollection() function to retrieve the data required for your items array. You will need to specify the values for each desired property (e.g. title, description) from the returned data.

src/pages/rss.xml.js
import rss from '@astrojs/rss';
import { getCollection } from 'astro:content';
export async function GET(context) {
const blog = await getCollection('blog');
return rss({
title: 'Buzz’s Blog',
description: 'A humble Astronaut’s guide to the stars',
site: context.site,
items: blog.map((post) => ({
title: post.data.title,
pubDate: post.data.pubDate,
description: post.data.description,
customData: post.data.customData,
// Compute RSS link from post `slug`
// This example assumes all posts are rendered as `/blog/[slug]` routes
link: `/blog/${post.slug}/`,
})),
});
}

Optional: replace your existing blog collection schema to enforce the expected RSS properties.

To ensure that every blog entry produces a valid RSS feed item, you can optionally import and apply rssSchema instead of defining each individual property of your schema.

src/content/config.ts
import { defineCollection } from 'astro:content';
import { rssSchema } from '@astrojs/rss';
const blog = defineCollection({
schema: rssSchema,
});
export const collections = { blog };

जोड़ा गया: @astrojs/rss@2.1.0

To create an RSS feed from documents in src/pages/, use the pagesGlobToRssItems() helper. This accepts an import.meta.glob result and outputs an array of valid RSS feed items (see more about writing glob patterns for specifying which pages to include).

src/pages/rss.xml.js
import rss, { pagesGlobToRssItems } from '@astrojs/rss';
export async function GET(context) {
return rss({
title: 'Buzz’s Blog',
description: 'A humble Astronaut’s guide to the stars',
site: context.site,
items: await pagesGlobToRssItems(
import.meta.glob('./blog/*.{md,mdx}'),
),
});
}

जोड़ा गया: astro@1.6.14

The content key contains the full content of the post as HTML. This allows you to make your entire post content available to RSS feed readers.

When using content collections, render the post body using a standard Markdown parser like markdown-it and sanitize the result:

src/pages/rss.xml.js
import rss from '@astrojs/rss';
import { getCollection } from 'astro:content';
import sanitizeHtml from 'sanitize-html';
import MarkdownIt from 'markdown-it';
const parser = new MarkdownIt();
export async function GET(context) {
const blog = await getCollection('blog');
return rss({
title: 'Buzz’s Blog',
description: 'A humble Astronaut’s guide to the stars',
site: context.site,
items: blog.map((post) => ({
link: `/blog/${post.slug}/`,
// Note: this will not process components or JSX expressions in MDX files.
content: sanitizeHtml(parser.render(post.body)),
...post.data,
})),
});
}

When using glob imports with Markdown, you may use the compiledContent() helper to retrieve the rendered HTML for sanitization. Note: this feature is not supported for MDX files.

src/pages/rss.xml.js
import rss from '@astrojs/rss';
import sanitizeHtml from 'sanitize-html';
export function GET(context) {
const postImportResult = import.meta.glob('../posts/**/*.md', { eager: true });
const posts = Object.values(postImportResult);
return rss({
title: 'Buzz’s Blog',
description: 'A humble Astronaut’s guide to the stars',
site: context.site,
items: posts.map((post) => ({
link: post.url,
content: sanitizeHtml(post.compiledContent()),
...post.frontmatter,
})),
});
}

Style your RSS feed for a more pleasant user experience when viewing the file in your browser.

Use the rss function’s stylesheet option to specify an absolute path to your stylesheet.

rss({
// ex. use your stylesheet from "public/rss/styles.xsl"
stylesheet: '/rss/styles.xsl',
// ...
});

After visiting your feed in the browser at your-domain.com/rss.xml and confirming that you can see data for each of your posts, you can now promote your feed on your website. Adding the standard RSS icon to your site lets your readers know that they can subscribe to your posts in their own feed reader.