gatsby-config.js

const config = require('./config')

const pathPrefix = config.pathPrefix === '/' ? '' : config.pathPrefix

module.exports = {
  siteMetadata: {
    title: config.siteTitle,
    siteUrl: config.siteUrl,
    rssMetadata: {
      site_url: config.siteUrl + pathPrefix,
      feed_url: config.siteUrl + pathPrefix + config.siteRss,
      title: config.siteTitle,
      description: config.siteDescription,
      image_url: `${config.siteUrl + pathPrefix}/icons/icon-512x512.png`,
      author: config.userName,
      copyright: config.copyright,
    },
  },
  plugins: [
    'gatsby-plugin-react-helmet',
    'gatsby-plugin-sass',
    {
      // keep as first gatsby-source-filesystem plugin for gatsby image support
      resolve: 'gatsby-source-filesystem',
      options: {
        path: `${__dirname}/src/assets/img`,
        name: 'uploads',
      },
    },
    {
      resolve: 'gatsby-source-filesystem',
      options: {
        path: `${__dirname}/src/pages`,
        name: 'pages',
      },
    },
    {
      resolve: `gatsby-plugin-sitemap`,
    },
    {
      resolve: 'gatsby-source-filesystem',
      options: {
        path: `${__dirname}/src/assets/img`,
        name: 'images',
      },
    },
    'gatsby-plugin-sharp',
    'gatsby-transformer-sharp',
    {
      resolve: 'gatsby-transformer-remark',
      options: {
        plugins: [
          {
            resolve: 'gatsby-remark-relative-images',
            options: {
              name: 'uploads',
            },
          },
          {
            resolve: 'gatsby-remark-images',
            options: {
              // It's important to specify the maxWidth (in pixels) of
              // the content container as this plugin uses this as the
              // base for generating different widths of each image.
              maxWidth: 2048,
            },
          },
        ],
      },
    },
    {
      resolve: 'gatsby-plugin-netlify-cms',
      options: {
        modulePath: `${__dirname}/src/cms/cms.js`,
        enableIdentityWidget: true,
        htmlTitle: `Gatsby Starter Business Content Manager`,
      },
    },
    {
      resolve: `gatsby-plugin-nprogress`,
      options: {
        color: config.themeColor,
        showSpinner: false,
      },
    },
    {
      resolve: `gatsby-plugin-google-tagmanager`,
      options: {
        id: config.googleTagManagerID,
        includeInDevelopment: false,
      },
    },
    {
      resolve: `gatsby-plugin-manifest`,
      options: {
        name: config.siteTitle,
        short_name: config.siteTitleAlt,
        start_url: '/index.html',
        background_color: config.backgroundColor,
        theme_color: config.themeColor,
        display: 'standalone',
        icons: [
          {
            src: `/icons/icon-192x192.png`,
            sizes: `192x192`,
            type: `image/png`,
          },
          {
            src: `/icons/icon-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 = config.siteTitle
          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.rssMetadata
              return ctx.query.allMarkdownRemark.edges
                .filter(
                  edge => edge.node.frontmatter.templateKey === 'article-page'
                )
                .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(pruneLength: 400)
                            html
                            id
                            fields { slug }
                            frontmatter {
                              title
                              templateKey
                              cover
                              date(formatString: "MMMM DD, YYYY")
                              tags
                            }
                          }
                        }
                      }
                    }
                  `,
            output: config.siteRss,
          },
        ],
      },
    },
    {
      resolve: `@gatsby-contrib/gatsby-plugin-elasticlunr-search`,
      options: {
        // Fields to index
        fields: [`title`, `tags`],
        // 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,
            slug: node => node.fields.slug,
          },
        },
      },
    },
    `gatsby-plugin-netlify`,
  ],
}