isDeprecated: make required on GraphQLField/GraphQLEnumValue (#2469)

Author: IvanGoncharov

src/type/definition.d.ts

@@ -517,7 +517,7 @@ export interface GraphQLField<
   args: Array<GraphQLArgument>;
   resolve?: GraphQLFieldResolver<TSource, TContext, TArgs>;
   subscribe?: GraphQLFieldResolver<TSource, TContext, TArgs>;
-  isDeprecated?: boolean;
+  isDeprecated: boolean;
   deprecationReason?: Maybe<string>;
   extensions: Maybe<Readonly<Record<string, any>>>;
   astNode?: Maybe<FieldDefinitionNode>;
@@ -739,7 +739,7 @@ export interface GraphQLEnumValue {
   name: string;
   description: Maybe<string>;
   value: any;
-  isDeprecated?: boolean;
+  isDeprecated: boolean;
   deprecationReason: Maybe<string>;
   extensions: Maybe<Readonly<Record<string, any>>>;
   astNode?: Maybe<EnumValueDefinitionNode>;

src/type/definition.js

@@ -967,7 +967,7 @@ export type GraphQLField<
   args: Array<GraphQLArgument>,
   resolve?: GraphQLFieldResolver<TSource, TContext, TArgs>,
   subscribe?: GraphQLFieldResolver<TSource, TContext, TArgs>,
-  isDeprecated?: boolean,
+  isDeprecated: boolean,
   deprecationReason: ?string,
   extensions: ?ReadOnlyObjMap<mixed>,
   astNode: ?FieldDefinitionNode,

src/type/introspection.js

@@ -457,6 +457,7 @@ export const SchemaMetaFieldDef: GraphQLField<mixed, mixed> = {
   description: 'Access the current type schema of this server.',
   args: [],
   resolve: (_source, _args, _context, { schema }) => schema,
+  isDeprecated: false,
   deprecationReason: undefined,
   extensions: undefined,
   astNode: undefined,
@@ -477,6 +478,7 @@ export const TypeMetaFieldDef: GraphQLField<mixed, mixed> = {
     },
   ],
   resolve: (_source, { name }, _context, { schema }) => schema.getType(name),
+  isDeprecated: false,
   deprecationReason: undefined,
   extensions: undefined,
   astNode: undefined,
@@ -488,6 +490,7 @@ export const TypeNameMetaFieldDef: GraphQLField<mixed, mixed> = {
   description: 'The name of the current Object type at runtime.',
   args: [],
   resolve: (_source, _args, _context, { parentType }) => parentType.name,
+  isDeprecated: false,
   deprecationReason: undefined,
   extensions: undefined,
   astNode: undefined,