Add explicit typing of recursive variables (#366)

Author: IvanGoncharov

src/__tests__/starWarsSchema.js

@@ -128,7 +128,7 @@ const { nodeInterface, nodeField } = nodeDefinitions(
  *     name: String
  *   }
  */
-const shipType = new GraphQLObjectType({
+const shipType: GraphQLObjectType = new GraphQLObjectType({
   name: 'Ship',
   description: 'A ship in the Star Wars saga',
   interfaces: [nodeInterface],
@@ -171,7 +171,7 @@ const { connectionType: shipConnection } = connectionDefinitions({
  *     ships: ShipConnection
  *   }
  */
-const factionType = new GraphQLObjectType({
+const factionType: GraphQLObjectType = new GraphQLObjectType({
   name: 'Faction',
   description: 'A faction in the Star Wars saga',
   interfaces: [nodeInterface],

src/node/__tests__/global-test.js

@@ -72,7 +72,7 @@ const { nodeField, nodeInterface } = nodeDefinitions(
   },
 );
 
-const userType = new GraphQLObjectType({
+const userType: GraphQLObjectType = new GraphQLObjectType({
   name: 'User',
   interfaces: [nodeInterface],
   fields: () => ({
@@ -83,7 +83,7 @@ const userType = new GraphQLObjectType({
   }),
 });
 
-const photoType = new GraphQLObjectType({
+const photoType: GraphQLObjectType = new GraphQLObjectType({
   name: 'Photo',
   interfaces: [nodeInterface],
   fields: () => ({
@@ -94,7 +94,7 @@ const photoType = new GraphQLObjectType({
   }),
 });
 
-const postType = new GraphQLObjectType({
+const postType: GraphQLObjectType = new GraphQLObjectType({
   name: 'Post',
   interfaces: [nodeInterface],
   fields: () => ({

src/node/__tests__/node-test.js

@@ -57,7 +57,7 @@ const { nodeField, nodesField, nodeInterface } = nodeDefinitions(
   },
 );
 
-const userType = new GraphQLObjectType({
+const userType: GraphQLObjectType = new GraphQLObjectType({
   name: 'User',
   interfaces: [nodeInterface],
   fields: () => ({
@@ -70,7 +70,7 @@ const userType = new GraphQLObjectType({
   }),
 });
 
-const photoType = new GraphQLObjectType({
+const photoType: GraphQLObjectType = new GraphQLObjectType({
   name: 'Photo',
   interfaces: [nodeInterface],
   fields: () => ({

src/node/__tests__/nodeAsync-test.js

@@ -28,7 +28,7 @@ const { nodeField, nodeInterface } = nodeDefinitions(
   () => userType,
 );
 
-const userType = new GraphQLObjectType({
+const userType: GraphQLObjectType = new GraphQLObjectType({
   name: 'User',
   interfaces: [nodeInterface],
   fields: () => ({