Fix customExecuteFn return type

customExecuteFn returns ExecutionResult | Promise<ExecutionResult> similar to graphql.execute

Author: felixputera

src/index.js

@@ -88,7 +88,9 @@ export type OptionsData = {|
  * An optional function which will be used to execute instead of default `execute`
  * from `graphql-js`.
  */
- customExecuteFn?: ?(args: ExecutionArgs) => Promise<ExecutionResult>,
+ customExecuteFn?: ?(
+ args: ExecutionArgs,
+ ) => ExecutionResult | Promise<ExecutionResult>,
 
  /**
  * An optional function which will be used to format any errors produced by

types/index.d.ts

@@ -85,7 +85,7 @@ declare namespace graphqlHTTP {
  * from `graphql-js`.
  */
  customExecuteFn?:
- | ((args: ExecutionArgs) => Promise<ExecutionResult>)
+ | ((args: ExecutionArgs) => ExecutionResult | Promise<ExecutionResult>)
  | null;
 
  /**