Make it possible to pass a custom fetch to be used. Also check for a global fetch being available. As a last resort, dynamically load `cross-fetch` See [FaunaDB](https://github.com/fauna/faunadb-js/blob/main/src/_util.js#L493-L513)'s implementation for inspiration.
Make it possible to pass a custom fetch to be used.
Also check for a global fetch being available.
As a last resort, dynamically load
cross-fetchSee FaunaDB's implementation for inspiration.