gatsby-config.js

require("dotenv").config();
const fs = require("fs");
const contentDir = fs.existsSync("../content") ? "../content" : "./content";

// eslint-disable-next-line import/no-dynamic-require
const config = require(`${contentDir}/meta/config`);
const transformer = require("./src/utils/algolia");

const algoliaMissing =
  process.env.ALGOLIA_APP_ID === undefined || process.env.ALGOLIA_APP_ID === "";

const query = `{
  allMarkdownRemark( filter: { fields: { slug: { ne: null }, draft: { ne: true } } }) {
    edges {
      node {
        objectID: fileAbsolutePath
        fields {
          slug
        }
        internal {
          content
        }
        frontmatter {
          title
        }
      }
    }
  }
}`;

const queries = [
  {
    query,
    transformer: ({ data }) => {
      return data.allMarkdownRemark.edges.reduce(transformer, []);
    }
  }
];

module.exports = {
  pathPrefix: config.pathPrefix,
  siteMetadata: {
    title: config.siteTitle,
    description: config.siteDescription,
    siteUrl: config.siteUrl,
    algolia: {
      appId: process.env.ALGOLIA_APP_ID || "none",
      searchOnlyApiKey: process.env.ALGOLIA_SEARCH_ONLY_API_KEY || "none",
      indexName: process.env.ALGOLIA_INDEX_NAME || "none",
      available: !algoliaMissing
    }
  },
  flags: {
    DEV_SSR: true
  },
  plugins: [
    {
      resolve: `gatsby-plugin-beam-analytics`,
      options: {
        dataToken: process.env.BEAM_ID || "none"
      }
    },
    {
      resolve: `gatsby-plugin-styled-jsx`, // the plugin's code is inserted directly to gatsby-node.js and gatsby-ssr.js files
      options: {
        jsxPlugins: ["styled-jsx-plugin-postcss"]
      }
    },
    {
      resolve: `gatsby-plugin-layout`,
      options: {
        component: require.resolve(`./src/layouts/`)
      }
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `template-images`,
        path: `${__dirname}/src/images/`
      }
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `images`,
        path: `${__dirname}/${contentDir}/images/`
      }
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        path: `${__dirname}/${contentDir}/posts/`,
        name: "posts"
      }
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        path: `${__dirname}/${contentDir}/talks/`,
        name: "talks"
      }
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        path: `${__dirname}/${contentDir}/publications/`,
        name: "publications"
      }
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        path: `${__dirname}/${contentDir}/pages/`,
        name: "pages"
      }
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `parts`,
        path: `${__dirname}/${contentDir}/parts/`
      }
    },
    "gatsby-remark-category-normalize",
    {
      resolve: `gatsby-transformer-remark`,
      options: {
        plugins: [
          `gatsby-plugin-sharp`,
          {
            resolve: `gatsby-remark-images`,
            options: {
              maxWidth: 800,
              backgroundColor: "transparent"
            }
          },
          {
            resolve: `gatsby-remark-responsive-iframe`,
            options: {
              wrapperStyle: `margin-bottom: 2em`
            }
          },
          `gatsby-remark-prismjs`,
          `gatsby-remark-copy-linked-files`,
          `gatsby-remark-smartypants`,
          {
            resolve: "gatsby-remark-emojis",
            options: {
              // Deactivate the plugin globally (default: true)
              active: true,
              // Add a custom css class
              class: "emoji-icon",
              // Select the size (available size: 16, 24, 32, 64)
              size: 64,
              // Add custom styles
              styles: {
                display: "inline",
                margin: "0",
                "margin-top": "1px",
                position: "relative",
                top: "5px",
                width: "25px"
              }
            }
          }
        ]
      }
    },
    {
      resolve: `gatsby-remark-oembed`,
      options: {
        maxWidth: 800
      }
    },
    `gatsby-plugin-image`,
    `gatsby-plugin-sharp`,
    "gatsby-remark-event-location-expand",
    // This should go after the oembed
    "gatsby-author-defaults",
    `gatsby-transformer-sharp`,
    `gatsby-plugin-react-helmet`,
    `gatsby-plugin-catch-links`,
    {
      resolve: `gatsby-plugin-manifest`,
      options: {
        name: config.manifestName,
        short_name: config.manifestShortName,
        start_url: config.manifestStartUrl,
        background_color: config.manifestBackgroundColor,
        theme_color: config.manifestThemeColor,
        display: config.manifestDisplay,
        icons: [
          {
            src: "/icons/icon-48x48.png",
            sizes: "48x48",
            type: "image/png"
          },
          {
            src: "/icons/icon-96x96.png",
            sizes: "96x96",
            type: "image/png"
          },
          {
            src: "/icons/icon-144x144.png",
            sizes: "144x144",
            type: "image/png"
          },
          {
            src: "/icons/icon-192x192.png",
            sizes: "192x192",
            type: "image/png"
          },
          {
            src: "/icons/icon-256x256.png",
            sizes: "256x256",
            type: "image/png"
          },
          {
            src: "/icons/icon-384x384.png",
            sizes: "384x384",
            type: "image/png"
          },
          {
            src: "/icons/icon-512x512.png",
            sizes: "512x512",
            type: "image/png"
          }
        ]
      }
    },
    `gatsby-plugin-offline`,
    {
      resolve: `gatsby-plugin-feed`,
      options: {
        query: `
          {
            site {
              siteMetadata {
                title
                description
                siteUrl
                site_url: siteUrl
              }
            }
          }
        `,
        feeds: [
          {
            title: "Feed",
            serialize: ({ query: { site, allMarkdownRemark } }) => {
              return allMarkdownRemark.edges.map(edge => {
                return Object.assign({}, edge.node.frontmatter, {
                  description: edge.node.excerpt,
                  date: edge.node.fields.prefix,
                  url: site.siteMetadata.siteUrl + edge.node.fields.slug,
                  guid: site.siteMetadata.siteUrl + edge.node.fields.slug,
                  custom_elements: [{ "content:encoded": edge.node.html }]
                });
              });
            },
            query: `
              {
                allMarkdownRemark(
                  limit: 1000,
                  sort: {fields: {prefix: DESC}}
                  filter: {
                    fields: {
                      prefix: { ne: null },
                      draft: { ne: true},
                      slug: { ne: null }
                    },
                    frontmatter: {
                      author: { ne: null }
                    }
                  }
                ) {
                  edges {
                    node {
                      excerpt
                      html
                      fields {
                        slug
                        prefix
                      }
                      frontmatter {
                        title
                      }
                    }
                  }
                }
              }
            `,
            output: "/rss.xml"
          }
        ]
      }
    },
    {
      resolve: `gatsby-plugin-sitemap`
    },
    {
      resolve: "gatsby-plugin-react-svg",
      options: {
        include: /svg-icons/
      }
    },
    "gatsby-remark-date-format",
    "gatsby-remark-tweet-processor",
    {
      resolve: `gatsby-plugin-algolia`,
      options: {
        appId: process.env.ALGOLIA_APP_ID,
        apiKey: process.env.ALGOLIA_ADMIN_API_KEY,
        indexName: process.env.ALGOLIA_INDEX_NAME,
        queries,
        chunkSize: 10000, // default: 1000
        dryRun: algoliaMissing,
        continueOnFailure: algoliaMissing
      }
    }
  ]
};