added GraphQLDeferDirective

Author: morrys

src/index.d.ts

@@ -54,6 +54,7 @@ export {
   specifiedDirectives,
   GraphQLIncludeDirective,
   GraphQLSkipDirective,
+  GraphQLDeferDirective,
   GraphQLDeprecatedDirective,
   // "Enum" of Type Kinds
   TypeKind,

src/index.js

@@ -55,6 +55,7 @@ export {
   specifiedDirectives,
   GraphQLIncludeDirective,
   GraphQLSkipDirective,
+  GraphQLDeferDirective,
   GraphQLDeprecatedDirective,
   // "Enum" of Type Kinds
   TypeKind,

src/type/directives.d.ts

@@ -54,6 +54,11 @@ export const GraphQLIncludeDirective: GraphQLDirective;
  */
 export const GraphQLSkipDirective: GraphQLDirective;
 
+/**
+ * Used to conditionally defer fragments.
+ */
+export const GraphQLDeferDirective: GraphQLDirective;
+
 /**
  * Constant string used for default reason for a deprecation.
  */

src/type/directives.js

@@ -167,6 +167,26 @@ export const GraphQLSkipDirective = new GraphQLDirective({
   },
 });
 
+/**
+ * Used to conditionally defer fragments.
+ */
+export const GraphQLDeferDirective = new GraphQLDirective({
+  name: 'defer',
+  description:
+    'Directs the executor to defer fragment when the `if` argument is true.',
+  locations: [DirectiveLocation.FRAGMENT_SPREAD],
+  args: {
+    if: {
+      type: GraphQLBoolean,
+      description: 'Deferred when true.',
+    },
+    label: {
+      type: GraphQLNonNull(GraphQLString),
+      description: 'label',
+    },
+  },
+});
+
 /**
  * Constant string used for default reason for a deprecation.
  */
@@ -195,6 +215,7 @@ export const GraphQLDeprecatedDirective = new GraphQLDirective({
 export const specifiedDirectives = Object.freeze([
   GraphQLIncludeDirective,
   GraphQLSkipDirective,
+  GraphQLDeferDirective,
   GraphQLDeprecatedDirective,
 ]);
 

src/type/index.d.ts

@@ -114,6 +114,7 @@ export {
   specifiedDirectives,
   GraphQLIncludeDirective,
   GraphQLSkipDirective,
+  GraphQLDeferDirective,
   GraphQLDeprecatedDirective,
   // Constant Deprecation Reason
   DEFAULT_DEPRECATION_REASON,

src/type/index.js

@@ -78,6 +78,7 @@ export {
   specifiedDirectives,
   GraphQLIncludeDirective,
   GraphQLSkipDirective,
+  GraphQLDeferDirective,
   GraphQLDeprecatedDirective,
   // Constant Deprecation Reason
   DEFAULT_DEPRECATION_REASON,