Passing more options to fetch

// nuxt.config.ts

module.exports = {
  graphql: {
    clients: {
      default: {
        endpoint: 'https://swapi-graphql.netlify.com/.netlify/functions/index',
        options: {
          credentials: 'include',
          mode: 'cors',
        },
      },
    },
  },
};

// Set a single header
this.$graphql.default.setHeader('credentials', 'include');
this.$graphql.default.setHeader('mode', 'cors');

// Override all existing headers
this.$graphql.default.setHeaders({
  credentials: 'include',
  mode: 'cors',
});