1. Send introspection queries[1] to get the schema.

2. Iterate over the results, building a query object with all of the non deprecated fields.

3. Store the results in a db or cache for later queries.

4. Send the request as normal with the full query.

https://graphql.org/learn/introspection/

[1] Example introspection query:

  query {
  __schema {
    types {
      name
      kind
    }
  }

  query {
  __type(name: "YourTypeName") {
    name
    kind
    fields {
      name
      type {
        name
        kind
        ofType {
          name
          kind
        }
      }
      description
      isDeprecated
      deprecationReason
    }
  }
}