Add option to not include specifiedByUrl in introspection query

Author: m14t

src/type/__tests__/introspection-test.js

@@ -31,6 +31,7 @@ describe('Introspection', () => {
     const source = getIntrospectionQuery({
       descriptions: false,
       directiveIsRepeatable: true,
+      specifiedByUrl: true,
     });
 
     const result = graphqlSync({ schema, source });

src/utilities/__tests__/buildClientSchema-test.js

@@ -33,7 +33,10 @@ import { introspectionFromSchema } from '../introspectionFromSchema';
  * returns that schema printed as SDL.
  */
 function cycleIntrospection(sdlString: string): string {
-  const options = { directiveIsRepeatable: true };
+  const options = {
+    directiveIsRepeatable: true,
+    specifiedByUrl: true,
+  };
 
   const serverSchema = buildSchema(sdlString);
   const initialIntrospection = introspectionFromSchema(serverSchema, options);

src/utilities/__tests__/getIntrospectionQuery-test.js

@@ -51,4 +51,16 @@ describe('getIntrospectionQuery', () => {
       getIntrospectionQuery({ descriptions: false, schemaDescription: true }),
     ).to.not.match(/\bdescription\b/);
   });
+
+  it('include "specifiedByUrl" field', () => {
+    expect(getIntrospectionQuery()).to.not.match(/\bspecifiedByUrl\b/);
+
+    expect(getIntrospectionQuery({ specifiedByUrl: true })).to.match(
+      /\bspecifiedByUrl\b/,
+    );
+
+    expect(getIntrospectionQuery({ specifiedByUrl: false })).to.not.match(
+      /\bspecifiedByUrl\b/,
+    );
+  });
 });

src/utilities/getIntrospectionQuery.d.ts

@@ -6,6 +6,10 @@ export interface IntrospectionOptions {
   // Default: true
   descriptions: boolean;
 
+  // Whether to include `specifiedByUrl` in the introspection result.
+  // Default: false
+  specifiedByUrl?: boolean;
+
   // Whether to include `isRepeatable` flag on directives.
   // Default: false
   directiveIsRepeatable?: boolean;

src/utilities/getIntrospectionQuery.js

@@ -7,6 +7,10 @@ export type IntrospectionOptions = {|
   // Default: true
   descriptions?: boolean,
 
+  // Whether to include `specifiedByUrl` in the introspection result.
+  // Default: false
+  specifiedByUrl?: boolean,
+
   // Whether to include `isRepeatable` field on directives.
   // Default: false
   directiveIsRepeatable?: boolean,
@@ -19,12 +23,16 @@ export type IntrospectionOptions = {|
 export function getIntrospectionQuery(options?: IntrospectionOptions): string {
   const optionsWithDefault = {
     descriptions: true,
+    specifiedByUrl: false,
     directiveIsRepeatable: false,
     schemaDescription: false,
     ...options,
   };
 
   const descriptions = optionsWithDefault.descriptions ? 'description' : '';
+  const specifiedByUrl = optionsWithDefault.specifiedByUrl
+    ? 'specifiedByUrl'
+    : '';
   const directiveIsRepeatable = optionsWithDefault.directiveIsRepeatable
     ? 'isRepeatable'
     : '';
@@ -58,7 +66,7 @@ export function getIntrospectionQuery(options?: IntrospectionOptions): string {
       kind
       name
       ${descriptions}
-      specifiedByUrl
+      ${specifiedByUrl}
       fields(includeDeprecated: true) {
         name
         ${descriptions}