feature: Adds 'isRepeatable' field to Directives

Author: NeedleInAJayStack

Sources/GraphQL/Type/Directives.swift

@@ -31,18 +31,21 @@ public struct GraphQLDirective: Encodable {
     public let description: String
     public let locations: [DirectiveLocation]
     public let args: [GraphQLArgumentDefinition]
+    public let isRepeatable: Bool
 
     public init(
         name: String,
         description: String = "",
         locations: [DirectiveLocation],
-        args: GraphQLArgumentConfigMap = [:]
+        args: GraphQLArgumentConfigMap = [:],
+        isRepeatable: Bool = false
     ) throws {
         try assertValid(name: name)
         self.name = name
         self.description = description
         self.locations = locations
         self.args = try defineArgumentMap(args: args)
+        self.isRepeatable = isRepeatable
     }
 }
 

Sources/GraphQL/Type/Introspection.swift

@@ -82,6 +82,7 @@ let __Directive = try! GraphQLObjectType(
     fields: [
         "name": GraphQLField(type: GraphQLNonNull(GraphQLString)),
         "description": GraphQLField(type: GraphQLString),
+        "isRepeatable": GraphQLField(type: GraphQLNonNull(GraphQLBoolean)),
         "locations": GraphQLField(type: GraphQLNonNull(GraphQLList(GraphQLNonNull(__DirectiveLocation)))),
         "args": GraphQLField(
             type: GraphQLNonNull(GraphQLList(GraphQLNonNull(__InputValue))),