gatsby-config.js

const config = require("./data/SiteConfig");

const pathPrefix = config.pathPrefix === "/" ? "" : config.pathPrefix;

module.exports = {
  pathPrefix: config.pathPrefix,
  siteMetadata: {
    siteUrl: config.siteUrl + pathPrefix,
    rssMetadata: {
      site_url: config.siteUrl + pathPrefix,
      feed_url: config.siteUrl + pathPrefix + config.siteRss,
      title: config.siteTitle,
      description: config.siteDescription,
      image_url: `${config.siteUrl + pathPrefix}/logos/logo-512.png`,
      author: config.siteRssAuthor,
      copyright: `${config.copyright.label} © ${config.copyright.year ||
        new Date().getFullYear()}`
    }
  },
  plugins: [
    "gatsby-plugin-react-helmet",
    {
      resolve: "gatsby-source-filesystem",
      options: {
        name: "posts",
        path: `${__dirname}/content/${config.blogPostDir}`
      }
    },
    {
      resolve: "gatsby-source-filesystem",
      options: {
        name: "authors",
        path: `${__dirname}/content/${config.blogAuthorDir}`
      }
    },
    "gatsby-transformer-json",
    {
      resolve: "gatsby-transformer-remark",
      options: {
        plugins: [
          {
            resolve: "gatsby-remark-images",
            options: {
              maxWidth: "630"
            }
          },
          {
            resolve: "gatsby-remark-embed-youtube",
            options: {
              width: 800,
              height: 400
            }
          },
          {
            resolve: "gatsby-remark-responsive-iframe"
          },
          {
            resolve: `gatsby-remark-prismjs`,
            options: {
              // Class prefix for <pre> tags containing syntax highlighting;
              // defaults to 'language-' (eg <pre class="language-js">).
              // If your site loads Prism into the browser at runtime,
              // (eg for use with libraries like react-live),
              // you may use this to prevent Prism from re-processing syntax.
              // This is an uncommon use-case though;
              // If you're unsure, it's best to use the default value.
              classPrefix: "language-",
              // This is used to allow setting a language for inline code
              // (i.e. single backticks) by creating a separator.
              // This separator is a string and will do no white-space
              // stripping.
              // A suggested value for English speakers is the non-ascii
              // character '›'.
              inlineCodeMarker: null,
              // This lets you set up language aliases.  For example,
              // setting this to '{ sh: "bash" }' will let you use
              // the language "sh" which will highlight using the
              // bash highlighter.
              aliases: {},
              // This toggles the display of line numbers globally alongside the code.
              // To use it, add the following line in src/layouts/index.js
              // right after importing the prism color scheme:
              //  `require("prismjs/plugins/line-numbers/prism-line-numbers.css");`
              // Defaults to false.
              // If you wish to only show line numbers on certain code blocks,
              // leave false and use the {numberLines: true} syntax below
              showLineNumbers: false,
              // If setting this to true, the parser won't handle and highlight inline
              // code used in markdown i.e. single backtick code like `this`.
              noInlineHighlight: false
            }
          },
          "gatsby-remark-copy-linked-files",
          "gatsby-remark-autolink-headers"
        ]
      }
    },
    {
      resolve: `@gatsby-contrib/gatsby-plugin-elasticlunr-search`,
      options: {
        // Fields to index
        fields: [`title`, `tags`, `author`, `category`],
        // How to resolve each field`s value for a supported node type
        resolvers: {
          // For any node of type MarkdownRemark, list how to resolve the fields` values
          MarkdownRemark: {
            title: node => node.frontmatter.title,
            tags: node => node.frontmatter.tags,
            path: node => node.frontmatter.slug,
            author: node => node.frontmatter.author,
            category: node => node.frontmatter.category
          }
        },
        // Optional filter to limit indexed nodes
        filter: (node, getNode) => node.frontmatter.tags !== "exempt"
      }
    },
    {
      resolve: "gatsby-plugin-google-analytics",
      options: {
        trackingId: config.googleAnalyticsID
      }
    },
    {
      resolve: "gatsby-plugin-nprogress",
      options: {
        color: config.themeColor
      }
    },
    "gatsby-plugin-sharp",
    "gatsby-plugin-catch-links",
    "gatsby-plugin-twitter",
    "gatsby-plugin-sitemap",
    {
      resolve: "gatsby-plugin-manifest",
      options: {
        name: config.siteTitle,
        short_name: config.siteTitle,
        description: config.siteDescription,
        start_url: config.pathPrefix,
        background_color: config.backgroundColor,
        theme_color: config.themeColor,
        display: "minimal-ui",
        icons: [
          {
            src: "/logos/logo-192x192.png",
            sizes: "192x192",
            type: "image/png"
          },
          {
            src: "/logos/logo-512x512.png",
            sizes: "512x512",
            type: "image/png"
          }
        ]
      }
    },
    "gatsby-plugin-offline",
    {
      resolve: "gatsby-plugin-feed",
      options: {
        setup(ref) {
          const ret = ref.query.site.siteMetadata.rssMetadata;
          ret.allMarkdownRemark = ref.query.allMarkdownRemark;
          ret.generator = "Codeclubjusl";
          return ret;
        },
        query: `
        {
          site {
            siteMetadata {
              rssMetadata {
                site_url
                feed_url
                title
                description
                image_url
                author
                copyright
              }
            }
          }
        }
      `,
        feeds: [
          {
            serialize(ctx) {
              const { rssMetadata } = ctx.query.site.siteMetadata;
              return ctx.query.allMarkdownRemark.edges.map(edge => ({
                categories: edge.node.frontmatter.tags,
                date: edge.node.frontmatter.date,
                title: edge.node.frontmatter.title,
                description: edge.node.excerpt,
                author: rssMetadata.author,
                url: rssMetadata.site_url + edge.node.fields.slug,
                guid: rssMetadata.site_url + edge.node.fields.slug,
                custom_elements: [{ "content:encoded": edge.node.html }]
              }));
            },
            query: `
            {
              allMarkdownRemark(
                limit: 1000,
                sort: { order: DESC, fields: [frontmatter___date] },
              ) {
                edges {
                  node {
                    excerpt
                    html
                    timeToRead
                    fields { slug }
                    frontmatter {
                      title
                      cover
                      date
                      category
                      tags
                      author
                    }
                  }
                }
              }
            }
          `,
            output: config.siteRss
          }
        ]
      }
    }
  ]
};