github.com/maeglindeveloper/gqlgen@v0.13.1-0.20210413081235-57808b12a0a0/graphql/introspection/introspection.go (about)

     1  // introspection implements the spec defined in https://github.com/facebook/graphql/blob/master/spec/Section%204%20--%20Introspection.md#schema-introspection
     2  package introspection
     3  
     4  import "github.com/vektah/gqlparser/v2/ast"
     5  
     6  type (
     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  		deprecation *ast.Directive
    18  	}
    19  
    20  	Field struct {
    21  		Name        string
    22  		Description string
    23  		Type        *Type
    24  		Args        []InputValue
    25  		deprecation *ast.Directive
    26  	}
    27  
    28  	InputValue struct {
    29  		Name         string
    30  		Description  string
    31  		DefaultValue *string
    32  		Type         *Type
    33  	}
    34  )
    35  
    36  func WrapSchema(schema *ast.Schema) *Schema {
    37  	return &Schema{schema: schema}
    38  }
    39  
    40  func (f *EnumValue) IsDeprecated() bool {
    41  	return f.deprecation != nil
    42  }
    43  
    44  func (f *EnumValue) DeprecationReason() *string {
    45  	if f.deprecation == nil {
    46  		return nil
    47  	}
    48  
    49  	reason := f.deprecation.Arguments.ForName("reason")
    50  	if reason == nil {
    51  		return nil
    52  	}
    53  
    54  	return &reason.Value.Raw
    55  }
    56  
    57  func (f *Field) IsDeprecated() bool {
    58  	return f.deprecation != nil
    59  }
    60  
    61  func (f *Field) DeprecationReason() *string {
    62  	if f.deprecation == nil {
    63  		return nil
    64  	}
    65  
    66  	reason := f.deprecation.Arguments.ForName("reason")
    67  	if reason == nil {
    68  		return nil
    69  	}
    70  
    71  	return &reason.Value.Raw
    72  }