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gatsby-plugin-feed-mdx

This is a fork of gatsby-plugin-feed. Create an RSS feed (or multiple feeds) for your Gatsby site with MDX.

Install

npm install --save gatsby-plugin-feed-mdx

How to Use

// In your gatsby-config.js
module.exports = {
  plugins: [
    {
      resolve: `gatsby-plugin-feed-mdx`,
      options: {
        query: `
          {
            site {
              siteMetadata {
                title
                description
                siteUrl
                site_url: siteUrl
              }
            }
          }
        `,
        feeds: [
          {
            serialize: ({ query: { site, allMdx } }) => {
              return allMdx.edges.map(edge => {
                return Object.assign({}, edge.node.frontmatter, {
                  description: edge.node.excerpt,
                  date: edge.node.frontmatter.date,
                  url: site.siteMetadata.siteUrl + "/blog" + edge.node.fields.slug,
                  guid: site.siteMetadata.siteUrl + "/blog" + edge.node.fields.slug,
                  custom_elements: [{ "content:encoded": edge.node.html }]
                });
              });
            },
            query: `
              {
                allMdx(
                  sort: { order: DESC, fields: [frontmatter___date] },
                ) {
                  edges {
                    node {
                      excerpt
                      html
                      fields { slug }
                      frontmatter {
                        title
                        date
                      }
                    }
                  }
                }
              }
            `,
            output: "/rss.xml",
            title: "Your Site's RSS Feed",
            // optional configuration to insert feed reference in pages:
            // if `string` is used, it will be used to create RegExp and then test if pathname of
            // current page satisfied this regular expression;
            // if not provided or `undefined`, all pages will have feed reference inserted
            match: "^/blog/"
          }
        ]
      }
    }
  ]
};

Each feed must include output, query, and title. Additionally, it is strongly recommended to pass a custom serialize function, otherwise an internal serialize function will be used which may not exactly match your particular use case.

match is an optional 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.

All additional options are passed through to the rss utility. For more info on those additional options, explore the itemOptions section of the rss package.

Check out an example of how you could implement to your own site, with a custom serialize function, and additional functionality.

NOTE: This plugin only generates the xml file(s) when run in production mode! To test your feed, run: gatsby build && gatsby serve.


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