next.config.js

/** @type {import('next').NextConfig} */
const nextConfig = {
  webpack(config, options) {
    config.module.rules.forEach((rule) => {
      if (rule.loader === "babel-loader") {
        rule.use = [];
      }
    });
    return config;
  },
  async headers() {
    return [
      {
        // matching all API routes
        source: "/api/sendgrid",
        headers: [
          { key: "Access-Control-Allow-Credentials", value: "true" },
          { key: "Access-Control-Allow-Origin", value: "*" },
          {
            key: "Access-Control-Allow-Methods",
            value: "GET,OPTIONS,PATCH,DELETE,POST,PUT",
          },
          {
            key: "Access-Control-Allow-Headers",
            value:
              "X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version",
          },
        ],
      },
    ];
  },
};

module.exports = nextConfig;