text: /**
   * Copyright (c) Facebook, Inc. and its affiliates.
   *
   * @emails react-core
   */
  
  'use strict';
  
  module.exports = {
    siteMetadata: {
      title: 'React: A JavaScript library for building user interfaces',
      siteUrl: 'https://reactjs.org',
      rssFeedTitle: 'React',
      rssFeedDescription: 'A JavaScript library for building user interfaces',
    },
    mapping: {
      'MarkdownRemark.frontmatter.author': 'AuthorYaml',
    },
    plugins: [
      'gatsby-source-react-error-codes',
      'gatsby-transformer-authors-yaml',
      'gatsby-transformer-home-example-code',
      'gatsby-transformer-versions-yaml',
      'gatsby-plugin-netlify',
      'gatsby-plugin-glamor',
      'gatsby-plugin-twitter',
      {
        resolve: 'gatsby-plugin-nprogress',
        options: {
          color: '#61dafb',
        },
      },
      {
        resolve: 'gatsby-source-filesystem',
        options: {
          name: 'pages',
          path: `${__dirname}/src/pages`,
        },
      },
      {
        resolve: 'gatsby-source-filesystem',
        options: {
          name: 'content',
          path: `${__dirname}/content/`,
        },
      },
      {
        resolve: 'gatsby-transformer-remark',
        options: {
          plugins: [
            'gatsby-remark-responsive-iframe',
            {
              resolve: 'gatsby-remark-images',
              options: {
                maxWidth: 840,
              },
            },
            'gatsby-remark-external-links',
            'gatsby-remark-header-custom-ids',
            {
              resolve: 'gatsby-remark-code-repls',
              options: {
                defaultText: '<b>Try it on CodePen</b>',
                directory: `${__dirname}/examples/`,
                externals: [
                  `//unpkg.com/react/umd/react.development.js`,
                  `//unpkg.com/react-dom/umd/react-dom.development.js`,
                ],
                dependencies: [`react`, `react-dom`],
                redirectTemplate: `${__dirname}/src/templates/codepen-example.js`,
                target: '_blank',
              },
            },
            {
              resolve: 'gatsby-remark-embed-snippet',
              options: {
                classPrefix: 'gatsby-code-',
                directory: `${__dirname}/examples/`,
              },
            },
            'gatsby-remark-use-jsx',
            {
              resolve: 'gatsby-remark-prismjs',
              options: {
                classPrefix: 'gatsby-code-',
              },
            },
            'gatsby-remark-copy-linked-files',
            'gatsby-remark-smartypants',
          ],
        },
      },
      'gatsby-transformer-sharp',
      'gatsby-plugin-sharp',
      {
        resolve: 'gatsby-plugin-google-analytics',
        options: {
          trackingId: 'UA-41298772-1',
        },
      },
      {
        resolve: 'gatsby-plugin-feed',
        options: {
          query: `
           {
            site {
              siteMetadata {
                title: rssFeedTitle
                description: rssFeedDescription
                siteUrl
                site_url: siteUrl
              }
            }
          }`,
          feeds: [
            {
              serialize: ({query: {site, allMarkdownRemark}}) => {
                return allMarkdownRemark.edges.map(edge => {
                  return Object.assign(
                    {},
                    {
                      title: edge.node.frontmatter.title,
                      description: edge.node.html,
                      date: require('moment')(edge.node.fields.date).format(
                        'MMMM DD, YYYY, h:mm A',
                      ),
                      url: site.siteMetadata.siteUrl + edge.node.fields.slug,
                      guid: site.siteMetadata.siteUrl + edge.node.fields.slug,
                    },
                  );
                });
              },
              query: `
                {
                    allMarkdownRemark
                    (limit: 10,
                    filter: {fileAbsolutePath: {regex: "/blog/"}},
                    sort: {fields: [fields___date],
                    order: DESC}) {
                      edges {
                        node {
                          fields {
                            date
                            slug
                          }
                          frontmatter {
                            title
                          }
                          html
                        }
                      }
                    }
                  }
              `,
              output: '/feed.xml',
            },
          ],
        },
      },
      'gatsby-plugin-react-helmet',
      'gatsby-plugin-catch-links',
      {
        resolve: `gatsby-plugin-manifest`,
        options: {
          name: 'React Docs',
          short_name: 'React', // eg. React [%LANG_CODE%]
          // Translators: please change this and two above options (see https://www.gatsbyjs.org/packages/gatsby-plugin-manifest/#feature-configuration---optional)
          lang: 'en',
          start_url: '/',
          background_color: '#20232a',
          theme_color: '#20232a',
          display: 'standalone',
          icon: 'static/logo-512x512.png',
          legacy: true,
        },
      },
    ],
  };
  