1 files changed, 156 insertions, 0 deletions
diff --git a/vendor/github.com/graphql-go/graphql/directives.go b/vendor/github.com/graphql-go/graphql/directives.go
new file mode 100644
index 00000000..7ed839f7
--- /dev/null
+++ b/vendor/github.com/graphql-go/graphql/directives.go
@@ -0,0 +1,156 @@
+package graphql
+
+const (
+	// Operations
+	DirectiveLocationQuery              = "QUERY"
+	DirectiveLocationMutation           = "MUTATION"
+	DirectiveLocationSubscription       = "SUBSCRIPTION"
+	DirectiveLocationField              = "FIELD"
+	DirectiveLocationFragmentDefinition = "FRAGMENT_DEFINITION"
+	DirectiveLocationFragmentSpread     = "FRAGMENT_SPREAD"
+	DirectiveLocationInlineFragment     = "INLINE_FRAGMENT"
+
+	// Schema Definitions
+	DirectiveLocationSchema               = "SCHEMA"
+	DirectiveLocationScalar               = "SCALAR"
+	DirectiveLocationObject               = "OBJECT"
+	DirectiveLocationFieldDefinition      = "FIELD_DEFINITION"
+	DirectiveLocationArgumentDefinition   = "ARGUMENT_DEFINITION"
+	DirectiveLocationInterface            = "INTERFACE"
+	DirectiveLocationUnion                = "UNION"
+	DirectiveLocationEnum                 = "ENUM"
+	DirectiveLocationEnumValue            = "ENUM_VALUE"
+	DirectiveLocationInputObject          = "INPUT_OBJECT"
+	DirectiveLocationInputFieldDefinition = "INPUT_FIELD_DEFINITION"
+)
+
+// DefaultDeprecationReason Constant string used for default reason for a deprecation.
+const DefaultDeprecationReason = "No longer supported"
+
+// SpecifiedRules The full list of specified directives.
+var SpecifiedDirectives = []*Directive{
+	IncludeDirective,
+	SkipDirective,
+	DeprecatedDirective,
+}
+
+// Directive structs are used by the GraphQL runtime as a way of modifying execution
+// behavior. Type system creators will usually not create these directly.
+type Directive struct {
+	Name        string      `json:"name"`
+	Description string      `json:"description"`
+	Locations   []string    `json:"locations"`
+	Args        []*Argument `json:"args"`
+
+	err error
+}
+
+// DirectiveConfig options for creating a new GraphQLDirective
+type DirectiveConfig struct {
+	Name        string              `json:"name"`
+	Description string              `json:"description"`
+	Locations   []string            `json:"locations"`
+	Args        FieldConfigArgument `json:"args"`
+}
+
+func NewDirective(config DirectiveConfig) *Directive {
+	dir := &Directive{}
+
+	// Ensure directive is named
+	err := invariant(config.Name != "", "Directive must be named.")
+	if err != nil {
+		dir.err = err
+		return dir
+	}
+
+	// Ensure directive name is valid
+	err = assertValidName(config.Name)
+	if err != nil {
+		dir.err = err
+		return dir
+	}
+
+	// Ensure locations are provided for directive
+	err = invariant(len(config.Locations) > 0, "Must provide locations for directive.")
+	if err != nil {
+		dir.err = err
+		return dir
+	}
+
+	args := []*Argument{}
+
+	for argName, argConfig := range config.Args {
+		err := assertValidName(argName)
+		if err != nil {
+			dir.err = err
+			return dir
+		}
+		args = append(args, &Argument{
+			PrivateName:        argName,
+			PrivateDescription: argConfig.Description,
+			Type:               argConfig.Type,
+			DefaultValue:       argConfig.DefaultValue,
+		})
+	}
+
+	dir.Name = config.Name
+	dir.Description = config.Description
+	dir.Locations = config.Locations
+	dir.Args = args
+	return dir
+}
+
+// IncludeDirective is used to conditionally include fields or fragments.
+var IncludeDirective = NewDirective(DirectiveConfig{
+	Name: "include",
+	Description: "Directs the executor to include this field or fragment only when " +
+		"the `if` argument is true.",
+	Locations: []string{
+		DirectiveLocationField,
+		DirectiveLocationFragmentSpread,
+		DirectiveLocationInlineFragment,
+	},
+	Args: FieldConfigArgument{
+		"if": &ArgumentConfig{
+			Type:        NewNonNull(Boolean),
+			Description: "Included when true.",
+		},
+	},
+})
+
+// SkipDirective Used to conditionally skip (exclude) fields or fragments.
+var SkipDirective = NewDirective(DirectiveConfig{
+	Name: "skip",
+	Description: "Directs the executor to skip this field or fragment when the `if` " +
+		"argument is true.",
+	Args: FieldConfigArgument{
+		"if": &ArgumentConfig{
+			Type:        NewNonNull(Boolean),
+			Description: "Skipped when true.",
+		},
+	},
+	Locations: []string{
+		DirectiveLocationField,
+		DirectiveLocationFragmentSpread,
+		DirectiveLocationInlineFragment,
+	},
+})
+
+// DeprecatedDirective  Used to declare element of a GraphQL schema as deprecated.
+var DeprecatedDirective = NewDirective(DirectiveConfig{
+	Name:        "deprecated",
+	Description: "Marks an element of a GraphQL schema as no longer supported.",
+	Args: FieldConfigArgument{
+		"reason": &ArgumentConfig{
+			Type: String,
+			Description: "Explains why this element was deprecated, usually also including a " +
+				"suggestion for how to access supported similar data. Formatted" +
+				"in [Markdown](https://daringfireball.net/projects/markdown/).",
+			DefaultValue: DefaultDeprecationReason,
+		},
+	},
+	Locations: []string{
+		DirectiveLocationFieldDefinition,
+		DirectiveLocationEnumValue,
+	},
+})