SchemaBuilder.ToJSON instead of SchemaToJSON (fixes #29)

graphql.go

@@ -85,6 +85,14 @@ func (b *SchemaBuilder) ApplyResolver(resolver interface{}) (*Schema, error) {
 	}, nil
 }
 
+func (b *SchemaBuilder) ToJSON() ([]byte, error) {
+	result, err := exec.IntrospectSchema(b.schema)
+	if err != nil {
+		return nil, err
+	}
+	return json.Marshal(result)
+}
+
 type Schema struct {
 	schema *schema.Schema
 	exec   *exec.Exec
@@ -125,20 +133,6 @@ func (s *Schema) Exec(ctx context.Context, queryString string, operationName str
 	}
 }
 
-func SchemaToJSON(schemaString string) ([]byte, error) {
-	b := New()
-	if err := b.Parse(schemaString); err != nil {
-		return nil, err
-	}
-
-	result, err := exec.IntrospectSchema(b.schema)
-	if err != nil {
-		return nil, err
-	}
-
-	return json.Marshal(result)
-}
-
 type ScalarConfig struct {
 	ReflectType reflect.Type
 	CoerceInput func(input interface{}) (interface{}, error)