text: const urljoin = require("url-join")
  const siteConfig = require("./siteConfig")
  
  module.exports = {
    siteMetadata: {
      title: siteConfig.name,
      author: siteConfig.author,
      description: siteConfig.description,
      theme: siteConfig.theme,
      speakersList: siteConfig.speakersList,
      siteUrl: urljoin(siteConfig.url, siteConfig.prefix),
      social: {
        twitter: siteConfig.twitter,
      },
    },
    plugins: [
      {
        resolve: `gatsby-source-filesystem`,
        options: {
          path: `${__dirname}/content/blog`,
          name: `blog`,
        },
      },
      {
        resolve: `gatsby-source-filesystem`,
        options: {
          path: `${__dirname}/content/assets`,
          name: `assets`,
        },
      },
      {
        resolve: `gatsby-transformer-remark`,
        options: {
          plugins: [
            {
              resolve: `gatsby-remark-images`,
              options: {
                maxWidth: 1360,
                withWebp: true,
                showCaptions: true,
                quality: 75,
                wrapperStyle: `margin: 7vw 0;`,
              },
            },
            {
              resolve: `gatsby-remark-responsive-iframe`,
              options: {
                wrapperStyle: `margin-bottom: 1.0725rem`,
              },
            },
            `gatsby-remark-prismjs`,
            `gatsby-remark-copy-linked-files`,
            `gatsby-remark-smartypants`,
          ],
        },
      },
      `gatsby-transformer-sharp`,
      `gatsby-plugin-sharp`,
      {
        resolve: `gatsby-plugin-postcss`,
        options: {
          postCssPlugins: [
            require("postcss-easy-import")(),
            require("postcss-custom-properties")({ preserve: false }),
            require("postcss-color-function")(),
            require("autoprefixer")({ browsers: ["last 2 versions"] }),
          ],
        },
      },
      {
        resolve: `gatsby-plugin-purgecss`,
        options: {
          printRejected: true, // Print removed selectors and processed file names
          // develop: true, // Enable while using `gatsby develop`
          // tailwind: true, // Enable tailwindcss support
          // whitelist: ['whitelist'], // Don't remove this selector
          ignore: ['/ignored.css', 'prismjs/', 'docsearch.js/'], // Ignore files/folders
          // purgeOnly : ['components/', '/main.css', 'bootstrap/'], // Purge only these files/folders
        },
      },
      {
        resolve: `gatsby-plugin-google-analytics`,
        options: {
          trackingId: ``,
        },
      },
      {
        resolve: `gatsby-plugin-manifest`,
        options: {
          name: siteConfig.name,
          short_name: siteConfig.shortName,
          start_url: siteConfig.prefix,
          background_color: `#ffffff`,
          theme_color: `#663399`,
          display: `minimal-ui`,
          icon: `content/assets/upfront91.png`,
        },
      },
      `gatsby-plugin-netlify`,
      `gatsby-plugin-offline`,
      `gatsby-plugin-react-helmet`,
    ],
  }
  