1 files changed, 174 insertions, 0 deletions
diff --git a/vendor/github.com/99designs/gqlgen/graphql/introspection/type.go b/vendor/github.com/99designs/gqlgen/graphql/introspection/type.go
new file mode 100644
index 00000000..dce144e0
--- /dev/null
+++ b/vendor/github.com/99designs/gqlgen/graphql/introspection/type.go
@@ -0,0 +1,174 @@
+package introspection
+
+import (
+	"strings"
+
+	"github.com/vektah/gqlparser/ast"
+)
+
+type Type struct {
+	schema *ast.Schema
+	def    *ast.Definition
+	typ    *ast.Type
+}
+
+func WrapTypeFromDef(s *ast.Schema, def *ast.Definition) *Type {
+	if def == nil {
+		return nil
+	}
+	return &Type{schema: s, def: def}
+}
+
+func WrapTypeFromType(s *ast.Schema, typ *ast.Type) *Type {
+	if typ == nil {
+		return nil
+	}
+
+	if !typ.NonNull && typ.NamedType != "" {
+		return &Type{schema: s, def: s.Types[typ.NamedType]}
+	}
+	return &Type{schema: s, typ: typ}
+}
+
+func (t *Type) Kind() string {
+	if t.typ != nil {
+		if t.typ.NonNull {
+			return "NON_NULL"
+		}
+
+		if t.typ.Elem != nil {
+			return "LIST"
+		}
+	} else {
+		return string(t.def.Kind)
+	}
+
+	panic("UNKNOWN")
+}
+
+func (t *Type) Name() *string {
+	if t.def == nil {
+		return nil
+	}
+	return &t.def.Name
+}
+
+func (t *Type) Description() string {
+	if t.def == nil {
+		return ""
+	}
+	return t.def.Description
+}
+
+func (t *Type) Fields(includeDeprecated bool) []Field {
+	if t.def == nil || (t.def.Kind != ast.Object && t.def.Kind != ast.Interface) {
+		return nil
+	}
+	var fields []Field
+	for _, f := range t.def.Fields {
+		if strings.HasPrefix(f.Name, "__") {
+			continue
+		}
+
+		var args []InputValue
+		for _, arg := range f.Arguments {
+			args = append(args, InputValue{
+				Type:         WrapTypeFromType(t.schema, arg.Type),
+				Name:         arg.Name,
+				Description:  arg.Description,
+				DefaultValue: defaultValue(arg.DefaultValue),
+			})
+		}
+
+		fields = append(fields, Field{
+			Name:              f.Name,
+			Description:       f.Description,
+			Args:              args,
+			Type:              WrapTypeFromType(t.schema, f.Type),
+			IsDeprecated:      isDeprecated(f.Directives),
+			DeprecationReason: deprecationReason(f.Directives),
+		})
+	}
+	return fields
+}
+
+func (t *Type) InputFields() []InputValue {
+	if t.def == nil || t.def.Kind != ast.InputObject {
+		return nil
+	}
+
+	var res []InputValue
+	for _, f := range t.def.Fields {
+		res = append(res, InputValue{
+			Name:         f.Name,
+			Description:  f.Description,
+			Type:         WrapTypeFromType(t.schema, f.Type),
+			DefaultValue: defaultValue(f.DefaultValue),
+		})
+	}
+	return res
+}
+
+func defaultValue(value *ast.Value) *string {
+	if value == nil {
+		return nil
+	}
+	val := value.String()
+	return &val
+}
+
+func (t *Type) Interfaces() []Type {
+	if t.def == nil || t.def.Kind != ast.Object {
+		return nil
+	}
+
+	var res []Type
+	for _, intf := range t.def.Interfaces {
+		res = append(res, *WrapTypeFromDef(t.schema, t.schema.Types[intf]))
+	}
+
+	return res
+}
+
+func (t *Type) PossibleTypes() []Type {
+	if t.def == nil || (t.def.Kind != ast.Interface && t.def.Kind != ast.Union) {
+		return nil
+	}
+
+	var res []Type
+	for _, pt := range t.schema.GetPossibleTypes(t.def) {
+		res = append(res, *WrapTypeFromDef(t.schema, pt))
+	}
+	return res
+}
+
+func (t *Type) EnumValues(includeDeprecated bool) []EnumValue {
+	if t.def == nil || t.def.Kind != ast.Enum {
+		return nil
+	}
+
+	var res []EnumValue
+	for _, val := range t.def.EnumValues {
+		res = append(res, EnumValue{
+			Name:              val.Name,
+			Description:       val.Description,
+			IsDeprecated:      isDeprecated(val.Directives),
+			DeprecationReason: deprecationReason(val.Directives),
+		})
+	}
+	return res
+}
+
+func (t *Type) OfType() *Type {
+	if t.typ == nil {
+		return nil
+	}
+	if t.typ.NonNull {
+		// fake non null nodes
+		cpy := *t.typ
+		cpy.NonNull = false
+
+		return WrapTypeFromType(t.schema, &cpy)
+	}
+	return WrapTypeFromType(t.schema, t.typ.Elem)
+}