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package ast
type DefinitionKind string
const (
Scalar DefinitionKind = "SCALAR"
Object DefinitionKind = "OBJECT"
Interface DefinitionKind = "INTERFACE"
Union DefinitionKind = "UNION"
Enum DefinitionKind = "ENUM"
InputObject DefinitionKind = "INPUT_OBJECT"
)
// ObjectDefinition is the core type definition object, it includes all of the definable types
// but does *not* cover schema or directives.
//
// @vektah: Javascript implementation has different types for all of these, but they are
// more similar than different and don't define any behaviour. I think this style of
// "some hot" struct works better, at least for go.
//
// Type extensions are also represented by this same struct.
type Definition struct {
Kind DefinitionKind
Description string
Name string
Directives DirectiveList
Interfaces []string // object and input object
Fields FieldList // object and input object
Types []string // union
EnumValues EnumValueList // enum
Position *Position `dump:"-"`
BuiltIn bool `dump:"-"`
}
func (d *Definition) IsLeafType() bool {
return d.Kind == Enum || d.Kind == Scalar
}
func (d *Definition) IsAbstractType() bool {
return d.Kind == Interface || d.Kind == Union
}
func (d *Definition) IsCompositeType() bool {
return d.Kind == Object || d.Kind == Interface || d.Kind == Union
}
func (d *Definition) IsInputType() bool {
return d.Kind == Scalar || d.Kind == Enum || d.Kind == InputObject
}
func (d *Definition) OneOf(types ...string) bool {
for _, t := range types {
if d.Name == t {
return true
}
}
return false
}
type FieldDefinition struct {
Description string
Name string
Arguments ArgumentDefinitionList // only for objects
DefaultValue *Value // only for input objects
Type *Type
Directives DirectiveList
Position *Position `dump:"-"`
}
type ArgumentDefinition struct {
Description string
Name string
DefaultValue *Value
Type *Type
Directives DirectiveList
Position *Position `dump:"-"`
}
type EnumValueDefinition struct {
Description string
Name string
Directives DirectiveList
Position *Position `dump:"-"`
}
type DirectiveDefinition struct {
Description string
Name string
Arguments ArgumentDefinitionList
Locations []DirectiveLocation
Position *Position `dump:"-"`
}
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