This function returns a Promise of an ExperimentalIncrementalExecutionResults
object. This object either consists of a single ExecutionResult, or an
object containing an initialResult and a stream of subsequentResults.
If the arguments to this function do not result in a legal execution context,
a GraphQLError will be thrown immediately explaining the invalid input.
Implements the “Executing requests” section of the GraphQL specification, including
@deferand@streamas proposed in https://github.com/graphql/graphql-spec/pull/742This function returns a Promise of an ExperimentalIncrementalExecutionResults object. This object either consists of a single ExecutionResult, or an object containing an
initialResultand a stream ofsubsequentResults.If the arguments to this function do not result in a legal execution context, a GraphQLError will be thrown immediately explaining the invalid input.