upgrade to v6

Author: yaacovCR

package-lock.json

@@ -20,6 +20,8 @@
   "license": "BSD-3-Clause",
   "dependencies": {
     "@apollographql/graphql-playground-html": "1.6.24",
+    "@graphql-tools/stitch": "^6.0.0",
+    "@graphql-tools/utils": "^6.0.0",
     "@parse/fs-files-adapter": "1.0.1",
     "@parse/push-adapter": "3.2.0",
     "@parse/s3-files-adapter": "1.4.0",

package.json

@@ -5,7 +5,8 @@ import {
   DocumentNode,
   GraphQLNamedType,
 } from 'graphql';
-import { mergeSchemas, SchemaDirectiveVisitor } from 'graphql-tools';
+import { stitchSchemas } from '@graphql-tools/stitch';
+import { SchemaDirectiveVisitor } from '@graphql-tools/utils';
 import requiredParameter from '../requiredParameter';
 import * as defaultGraphQLTypes from './loaders/defaultGraphQLTypes';
 import * as parseClassTypes from './loaders/parseClassTypes';
@@ -251,7 +252,7 @@ class ParseGraphQLSchema {
             }
           }
         );
-        this.graphQLSchema = mergeSchemas({
+        this.graphQLSchema = stitchSchemas({
           schemas: [
             this.graphQLSchemaDirectivesDefinitions,
             this.graphQLAutoSchema,

src/GraphQL/ParseGraphQLSchema.js

@@ -1,5 +1,5 @@
 import gql from 'graphql-tag';
-import { SchemaDirectiveVisitor } from 'graphql-tools';
+import { SchemaDirectiveVisitor } from '@graphql-tools/utils';
 import { FunctionsRouter } from '../../Routers/FunctionsRouter';
 
 export const definitions = gql`