gatsby-config.js

/**
 * Configure your Gatsby site with this file.
 *
 * See: https://www.gatsbyjs.org/docs/gatsby-config/
 */

/* Your site config here */
module.exports = {
  siteMetadata: {
    title: "My Homepage",
    description: "This is where I write my thoughts.",
  },
  plugins: [
    "gatsby-plugin-emotion",

    {
      resolve: `gatsby-plugin-typography`,
      options: {
        pathToConfigModule: `src/utils/typography`,
      },
    },

    {
      resolve: "gatsby-plugin-mdx",
      options: {
        extensions: [".mdx", ".md"],
        defaultLayouts: {
          default: require.resolve("./src/components/layout.js"),
        },
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `posts`,
        path: `src/posts`,
      },
    },
    {
      resolve: `@gatsby-contrib/gatsby-plugin-elasticlunr-search`,
      options: {
        // Fields to index
        fields: [`title`, `tags`, `html`],
        resolvers: {
          Mdx: {
            title: nodes => nodes.frontmatter.title,
            tags: nodes => nodes.frontmatter.tags,
            path: nodes => nodes.frontmatter.slug,
            html: nodes => nodes.internal.content,
          },
        },
      },
    },
  ],
}