Your configFile is invalid: /path/to/config.ts

The component.devServer must be an object with a supported framework and bundler.

{
  component: {
    devServer: {
      framework: 'create-react-app', // Your framework
      bundler: 'webpack' // Your dev server
    }
  }
}

Instead, we saw:

{}

Learn more: https://on.cypress.io/dev-server