vality.dev/gatsby-config.ts

import type { GatsbyConfig } from "gatsby";

const config: GatsbyConfig = {
  siteMetadata: {
    title: `Vality`,
    siteUrl: `https://vality.dev`,
  },
  // More easily incorporate content into your pages through automatic TypeScript type generation and better GraphQL IntelliSense.
  // If you use VSCode you can also use the GraphQL plugin
  // Learn more at: https://gatsby.dev/graphql-typegen
  graphqlTypegen: true,
  flags: { DEV_SSR: false },
  plugins: [
    "gatsby-plugin-emotion",
    "gatsby-plugin-image",
    "gatsby-plugin-sitemap",
    {
      resolve: "gatsby-plugin-manifest",
      options: {
        icon: "src/assets/images/icon.png",
      },
    },
    "gatsby-plugin-mdx",
    "gatsby-plugin-sharp",
    "gatsby-transformer-sharp",
    {
      resolve: "gatsby-source-filesystem",
      options: {
        name: "images",
        path: "./src/assets/images/",
      },
      __key: "images",
    },
    {
      resolve: "gatsby-source-filesystem",
      options: {
        name: "pages",
        path: "./src/pages/",
      },
      __key: "pages",
    },
    {
      resolve: "gatsby-plugin-react-svg",
      options: {
        rule: {
          include: /assets\/svg/,
        },
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        path: `${__dirname}/locales`,
        name: `locale`,
      },
    },
    {
      resolve: `gatsby-plugin-react-i18next`,
      options: {
        localeJsonSourceName: `locale`, // name given to `gatsby-source-filesystem` plugin.
        languages: [`en`, `ru`],
        defaultLanguage: `en`,
        siteUrl: `https://vality.dev`,
        // if you are using trailingSlash gatsby config include it here, as well (the default is 'always')
        trailingSlash: "always",
        i18nextOptions: {
          interpolation: {
            escapeValue: false, // not needed for react as it escapes by default
          },
          keySeparator: false,
          nsSeparator: false,
        },
        pages: [
          {
            matchPath: "/index",
          },
          {
            matchPath: "/404",
          },
        ],
      },
    },
    {
      resolve: `gatsby-plugin-alias-imports`,
      options: {
        alias: {
          "~": "src",
        },
      },
    },
  ],
};

export default config;