gatsby-config.js

require('dotenv').config({
  path: `.env`
});

const config = require('./config');

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

module.exports = {
  pathPrefix: config.pathPrefix,
  siteMetadata: {
    siteUrl: config.siteUrl + pathPrefix,
    pathPrefix,
    title: config.siteTitle,
    titleAlt: config.siteTitleAlt,
    description: config.siteDescription,
    logo: config.siteLogo,
    headline: config.siteHeadline,
    siteLanguage: config.siteLanguage,
    ogLanguage: config.ogLanguage,
    author: config.author,
    twitter: config.userTwitter,
    facebook: config.ogSiteName,
    privacyLink: config.privacyLink,
    termsOfServiceLink: config.termsOfServiceLink,
    cookiePolicyLink: config.cookiePolicyLink
  },
  plugins: [
    'gatsby-plugin-react-helmet',
    'gatsby-plugin-typescript',
    {
      resolve: `gatsby-plugin-intl`,
      options: {
        path: `${__dirname}/src/intl`,
        languages: [
          `ar`,
          `el`,
          `en`,
          `es`,
          `it`,
          `ko`,
          `pt-BR`,
          `ru`,
          `ta`,
          `th`,
          `tr`,
          `zh-Hans`,
          `zh-Hant`
        ],
        defaultLanguage: `en`,
        redirect: true
      }
    },
    'gatsby-transformer-yaml',
    {
      resolve: 'gatsby-source-filesystem',
      options: {
        name: 'config',
        path: `${__dirname}/config`
      }
    },
    {
      resolve: 'gatsby-source-filesystem',
      options: {
        name: 'images',
        path: `${__dirname}/src/images`
      }
    },
    {
      resolve: 'gatsby-theme-firebase',
      options: {
        credentials: {
          apiKey: process.env.GATSBY_API_KEY,
          authDomain: process.env.GATSBY_AUTH_DOMAIN,
          databaseURL: process.env.GATSBY_DATABASE_URL,
          projectId: process.env.GATSBY_PROJECT_ID,
          storageBucket: process.env.GATSBY_STORAGE_BUCKET,
          messagingSenderId: process.env.GATSBY_MESSAGING_SENDER_ID,
          appId: process.env.GATSBY_APP_ID,
          measurementId: process.env.GATSBY_MEASUREMENT_ID
        },
        loginPath: false,
        loginRedirectPath: '/me',
        socialLogins: ['google', 'facebook']
      }
    },
    'gatsby-plugin-sharp',
    'gatsby-transformer-sharp',
    'gatsby-plugin-sitemap',
    {
      resolve: 'gatsby-plugin-manifest',
      options: {
        name: config.siteTitle,
        short_name: config.siteTitleShort,
        description: config.siteDescription,
        start_url: config.pathPrefix,
        background_color: config.backgroundColor,
        theme_color: config.themeColor,
        display: 'standalone',
        icon: 'src/images/favicon.png'
      }
    },
    'gatsby-plugin-offline',
    'gatsby-plugin-netlify'
  ]
};