1// introspection implements the spec defined in https://github.com/facebook/graphql/blob/master/spec/Section%204%20--%20Introspection.md#schema-introspection
 2package introspection
 3
 4import "github.com/vektah/gqlparser/ast"
 5
 6type (
 7	Directive struct {
 8		Name        string
 9		Description string
10		Locations   []string
11		Args        []InputValue
12	}
13
14	EnumValue struct {
15		Name              string
16		Description       string
17		IsDeprecated      bool
18		DeprecationReason string
19	}
20
21	Field struct {
22		Name              string
23		Description       string
24		Type              *Type
25		Args              []InputValue
26		IsDeprecated      bool
27		DeprecationReason string
28	}
29
30	InputValue struct {
31		Name         string
32		Description  string
33		DefaultValue *string
34		Type         *Type
35	}
36)
37
38func WrapSchema(schema *ast.Schema) *Schema {
39	return &Schema{schema: schema}
40}
41
42func isDeprecated(directives ast.DirectiveList) bool {
43	return directives.ForName("deprecated") != nil
44}
45
46func deprecationReason(directives ast.DirectiveList) string {
47	deprecation := directives.ForName("deprecated")
48	if deprecation == nil {
49		return ""
50	}
51
52	reason := deprecation.Arguments.ForName("reason")
53	if reason == nil {
54		return ""
55	}
56
57	return reason.Value.Raw
58}