From f913942c9db801fbbbc69e8ff2c857e735f8e08c Mon Sep 17 00:00:00 2001
From: Brandon Chinn <brandon@leapyear.io>
Date: Mon, 27 Jan 2020 15:35:43 -0800
Subject: [PATCH] Make variableDefinitions not nullable

It seems like `variableDefinitions` will always be a non-null array.

https://github.com/graphql/graphql-js/blob/f07ec241d51d7c3fb0263bb3ade1975dc87babc3/src/language/parser.js#L258-L285
https://github.com/graphql/graphql-js/blob/f07ec241d51d7c3fb0263bb3ade1975dc87babc3/src/language/parser.js#L307
---
 src/language/ast.d.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/language/ast.d.ts b/src/language/ast.d.ts
index d83bdfcafe..b8fa551bda 100644
--- a/src/language/ast.d.ts
+++ b/src/language/ast.d.ts
@@ -220,7 +220,7 @@ export interface OperationDefinitionNode {
   readonly loc?: Location;
   readonly operation: OperationTypeNode;
   readonly name?: NameNode;
-  readonly variableDefinitions?: ReadonlyArray<VariableDefinitionNode>;
+  readonly variableDefinitions: ReadonlyArray<VariableDefinitionNode>;
   readonly directives?: ReadonlyArray<DirectiveNode>;
   readonly selectionSet: SelectionSetNode;
 }
@@ -290,7 +290,7 @@ export interface FragmentDefinitionNode {
   readonly name: NameNode;
   // Note: fragment variable definitions are experimental and may be changed
   // or removed in the future.
-  readonly variableDefinitions?: ReadonlyArray<VariableDefinitionNode>;
+  readonly variableDefinitions: ReadonlyArray<VariableDefinitionNode>;
   readonly typeCondition: NamedTypeNode;
   readonly directives?: ReadonlyArray<DirectiveNode>;
   readonly selectionSet: SelectionSetNode;