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gatsby-plugin-feed

Create an RSS feed (or multiple feeds) for your Gatsby site. Please note: This plugin only generates the xml file(s) when run in production mode! To test your feed, run: gatsby build && gatsby serve.

Installation

npm install gatsby-plugin-feed

Usage

gatsby-plugin-feed uses the rss package to generate the RSS feed. We recommend using the siteMetadata information inside your gatsby-config to define the title, description, and site_url of the RSS feed. Those keys directly get passed to the rss feedOptions.

gatsby-config.js
module.exports = {
  siteMetadata: {
    title: `Your site title`,
    description: `Your site desccription`,
    site_url: `https://your-site-url.com`,
  }
}

Afterwards, you should configure gatsby-plugin-feed inside your gatsby-config like so (this example assumes the site uses Markdown pages):

gatsby-config.js
module.exports = {
  siteMetadata: {
    title: `Your site title`,
    description: `Your site desccription`,
    site_url: `https://your-site-url.com`,
  },
  plugins: [
    {
      resolve: `gatsby-plugin-feed`,
      options: {
        feeds: [
          {
            serialize: ({ query: { site, allMarkdownRemark } }) => {
              return allMarkdownRemark.nodes.map(node => {
                return Object.assign({}, node.frontmatter, {
                  description: node.excerpt,
                  date: node.frontmatter.date,
                  url: site.siteMetadata.siteUrl + node.fields.slug,
                  guid: site.siteMetadata.siteUrl + node.fields.slug,
                  custom_elements: [{ "content:encoded": node.html }],
                })
              })
            },
            query: `
              {
                allMarkdownRemark(
                  sort: { order: DESC, fields: [frontmatter___date] },
                ) {
                  nodes {
                    excerpt
                    html
                    fields {
                      slug
                    }
                    frontmatter {
                      title
                      date
                    }
                  }
                }
              }
            `,
            output: "/rss.xml",
            title: "Your Site's RSS Feed",
          },
        ],
      },
    },
  ],
}

gatsby-plugin-feed accepts two top-level plugin options:

  • query (optional): A GraphQL query to fetch the title, description, and site_url. By default, the plugin queries for siteMetadata.
  • feeds (required): One or multiple RSS feeds you want to define.

feeds itself has these required keys:

  • title: Title of the RSS feed
  • output: Output location of the xml file
  • serialize: You get access to the GraphQL query inside the top-level query key and inside feeds.query. You have to return an array of objects containing keys of rss itemOptions
  • query: GraphQL query to get contents for RSS items

Need more help? Check out the documentation Adding an RSS Feed.

Additional options

As mentioned above, gatsby-plugin-feed accepts optional additions.

feeds has these additional options:

  • match: Configuration, indicating which pages will have feed reference included. The accepted types of match are string or undefined. By default, when match is not configured, all pages will have feed reference inserted. If string is provided, it will be used to build a RegExp and then to test whether pathname of current page satisfied this regular expression. Only pages that satisfied this rule will have feed reference included.
  • link: Configuration that will override the default generated rss link from output.

All additional options are passed through to the feedOptions section of the rss package. Thus you could write something like this:

gatsby-config.js
module.exports = {
  siteMetadata: {/* siteMetadata contents */},
  plugins: [
    {
      resolve: `gatsby-plugin-feed`,
      options: {
        feeds: [
          {
            serialize: ({ query: { site, allMarkdownRemark } }) => {
              /* contents go here */
            },
            query: `/* query goes here */`,
            output: "/rss.xml",
            title: "Your Site's RSS Feed",
            // Optional configuration specific for plugin:
            match: "^/blog/",
            link: "https://feeds.feedburner.com/gatsby/blog",
            // Optional configuration passed through to itemOptions
            custom_namespaces: {
              media: 'http://search.yahoo.com/mrss/',
            },
            language: `en-US`,
          },
        ],
      },
    },
  ],
}

The serialize function can return all keys of the rss itemOptions setup.