From d24dfb3ae6ca0a274f2c69ac6ccf2ae77ec03773 Mon Sep 17 00:00:00 2001
From: Ivan Goncharov <ivan.goncharov.ua@gmail.com>
Date: Wed, 27 Oct 2021 18:22:02 +0300
Subject: [PATCH] GraphQLError: revert `originalError` to be nullable

Fix #3340
Partial revert of #3333
Were reverted due to conflict with Apollo Server, see
https://github.com/apollographql/apollo-server/issues/5843
---
 src/error/GraphQLError.d.ts | 2 +-
 src/error/GraphQLError.js   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/error/GraphQLError.d.ts b/src/error/GraphQLError.d.ts
index bb574f9f05..95f39ba483 100644
--- a/src/error/GraphQLError.d.ts
+++ b/src/error/GraphQLError.d.ts
@@ -76,7 +76,7 @@ export class GraphQLError extends Error {
   /**
    * The original error thrown from a field resolver during execution.
    */
-  readonly originalError: Error | undefined;
+  readonly originalError: Error | undefined | null;
 
   /**
    * Extension fields to add to the formatted error.
diff --git a/src/error/GraphQLError.js b/src/error/GraphQLError.js
index 7552bb473d..d3068adacb 100644
--- a/src/error/GraphQLError.js
+++ b/src/error/GraphQLError.js
@@ -56,7 +56,7 @@ export class GraphQLError extends Error {
   /**
    * The original error thrown from a field resolver during execution.
    */
-  +originalError: Error | void;
+  +originalError: Error | void | null;
 
   /**
    * Extension fields to add to the formatted error.