gatsby-config.js

module.exports = {
  siteMetadata: {
    title: `Gatsby Starter Blog MDX`,
    author: `Matt Hagner`,
    description: `An extension of the gatsby starter blog, with support for MDX`,
    siteUrl: `https://gatsby-starter-blog-mdx-demo.netlify.com/`,
    social: {
      twitter: `mattinthecouch`,
    },
  },
  plugins: [
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        path: `${__dirname}/content/blog`,
        name: `blog`,
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        path: `${__dirname}/content/assets`,
        name: `assets`,
      },
    },
    {
      resolve: `gatsby-plugin-mdx`,
      options: {
        extensions: ['.mdx', '.md'],
        // a workaround to solve mdx-remark plugin compat issue
        // https://github.com/gatsbyjs/gatsby/issues/15486
        plugins: [
          `gatsby-remark-images`,
        ],
        gatsbyRemarkPlugins: [
          {
            resolve: `gatsby-remark-images`,
            options: {
              maxWidth: 590,
            },
          },
          {
            resolve: `gatsby-remark-responsive-iframe`,
            options: {
              wrapperStyle: `margin-bottom: 1.0725rem`,
            },
          },
          {
            resolve: `gatsby-remark-copy-linked-files`,
          },

          {
            resolve: `gatsby-remark-smartypants`,
          },
        ],
      },
    },
    `gatsby-transformer-sharp`,
    `gatsby-plugin-sharp`,
    {
      resolve: `gatsby-plugin-google-analytics`,
      options: {
        //trackingId: `ADD YOUR TRACKING ID HERE`,
      },
    },
    {
      resolve: `gatsby-plugin-feed`,
      options: {
        query: `
          {
            site {
              siteMetadata {
                title
                description
                siteUrl
              }
            }
          }
        `,
        feeds: [
          {
            serialize: ({ query: { site, allMdx } }) => {
              return allMdx.edges.map(edge => {
                return Object.assign({}, edge.node.frontmatter, {
                  description: edge.node.excerpt,
                  data: edge.node.frontmatter.date,
                  url: site.siteMetadata.siteUrl + edge.node.fields.slug,
                  guid: site.siteMetadata.siteUrl + edge.node.fields.slug,
                  custom_elements: [{ 'content:encoded': edge.node.html }],
                })
              })
            },

            /* if you want to filter for only published posts, you can do
             * something like this:
             * filter: { frontmatter: { published: { ne: false } } }
             * just make sure to add a published frontmatter field to all posts,
             * otherwise gatsby will complain
             **/
            query: `
            {
              allMdx(
                limit: 1000,
                sort: { order: DESC, fields: [frontmatter___date] },
              ) {
                edges {
                  node {
                    fields { slug }
                    frontmatter {
                      title
                      date
                    }
                    html
                  }
                }
              }
            }
            `,
            output: '/rss.xml',
            title: 'Gatsby RSS feed',
          },
        ],
      },
    },
    {
      resolve: `gatsby-plugin-manifest`,
      options: {
        name: `Gatsby Starter Blog`,
        short_name: `GatsbyJS`,
        start_url: `/`,
        background_color: `#ffffff`,
        theme_color: `#663399`,
        display: `minimal-ui`,
        icon: `content/assets/gatsby-icon.png`,
      },
    },
    `gatsby-plugin-offline`,
    `gatsby-plugin-react-helmet`,
    {
      resolve: `gatsby-plugin-typography`,
      options: {
        pathToConfigModule: `src/utils/typography`,
      },
    },
  ],
}