Class: GraphQL::Language::DocumentFromSchemaDefinition Private

Inherits:
Object
  • Object
show all
Defined in:
lib/graphql/language/document_from_schema_definition.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

DocumentFromSchemaDefinition is used to convert a Schema object To a Document AST node.

Instance Method Summary collapse

Constructor Details

#initialize(schema, context: nil, only: nil, except: nil, include_introspection_types: false, include_built_in_directives: false, include_built_in_scalars: false, always_include_schema: false) ⇒ DocumentFromSchemaDefinition

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of DocumentFromSchemaDefinition.



16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 16

def initialize(
  schema, context: nil, only: nil, except: nil, include_introspection_types: false,
  include_built_in_directives: false, include_built_in_scalars: false, always_include_schema: false
)
  @schema = schema
  @always_include_schema = always_include_schema
  @include_introspection_types = include_introspection_types
  @include_built_in_scalars = include_built_in_scalars
  @include_built_in_directives = include_built_in_directives

  filter = GraphQL::Filter.new(only: only, except: except)
  if @schema.respond_to?(:visible?)
    filter = filter.merge(only: @schema.method(:visible?))
  end

  schema_context = schema.context_class.new(query: nil, object: nil, schema: schema, values: context)
  @warden = GraphQL::Schema::Warden.new(
    filter,
    schema: @schema,
    context: schema_context,
  )
  schema_context.warden = @warden
end

Instance Method Details

#build_argument_node(argument) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 125

def build_argument_node(argument)
  if argument.default_value?
    default_value = build_default_value(argument.default_value, argument.type)
  else
    default_value = nil
  end

  argument_node = GraphQL::Language::Nodes::InputValueDefinition.new(
    name: argument.graphql_name,
    description: argument.description,
    type: build_type_name_node(argument.type),
    default_value: default_value,
    directives: directives(argument),
  )

  argument_node
end

#build_argument_nodes(arguments) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



239
240
241
242
243
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 239

def build_argument_nodes(arguments)
  arguments
    .map { |arg| build_argument_node(arg) }
    .sort_by(&:name)
end

#build_default_value(default_value, type) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 187

def build_default_value(default_value, type)
  if default_value.nil?
    return GraphQL::Language::Nodes::NullValue.new(name: "null")
  end

  case type.kind.name
  when "SCALAR"
    type.coerce_isolated_result(default_value)
  when "ENUM"
    GraphQL::Language::Nodes::Enum.new(name: type.coerce_isolated_result(default_value))
  when "INPUT_OBJECT"
    GraphQL::Language::Nodes::InputObject.new(
      arguments: default_value.to_h.map do |arg_name, arg_value|
        args = @warden.arguments(type)
        arg = args.find { |a| a.keyword.to_s == arg_name.to_s }
        if arg.nil?
          raise ArgumentError, "No argument definition on #{type.graphql_name} for argument: #{arg_name.inspect} (expected one of: #{args.map(&:keyword)})"
        end
        GraphQL::Language::Nodes::Argument.new(
          name: arg.graphql_name.to_s,
          value: build_default_value(arg_value, arg.type)
        )
      end
    )
  when "NON_NULL"
    build_default_value(default_value, type.of_type)
  when "LIST"
    default_value.to_a.map { |v| build_default_value(v, type.of_type) }
  else
    raise GraphQL::RequiredImplementationMissingError, "Unexpected default value type #{type.inspect}"
  end
end

#build_definition_nodes ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



255
256
257
258
259
260
261
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 255

def build_definition_nodes
  definitions = []
  definitions << build_schema_node if include_schema_node?
  definitions += build_directive_nodes(warden.directives)
  definitions += build_type_definition_nodes(warden.reachable_types)
  definitions
end

#build_directive_location_node(location) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



166
167
168
169
170
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 166

def build_directive_location_node(location)
  GraphQL::Language::Nodes::DirectiveLocation.new(
    name: location.to_s
  )
end

#build_directive_location_nodes(locations) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



162
163
164
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 162

def build_directive_location_nodes(locations)
  locations.sort.map { |location| build_directive_location_node(location) }
end

#build_directive_node(directive) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



152
153
154
155
156
157
158
159
160
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 152

def build_directive_node(directive)
  GraphQL::Language::Nodes::DirectiveDefinition.new(
    name: directive.graphql_name,
    repeatable: directive.repeatable?,
    arguments: build_argument_nodes(warden.arguments(directive)),
    locations: build_directive_location_nodes(directive.locations),
    description: directive.description,
  )
end

#build_directive_nodes(directives) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



245
246
247
248
249
250
251
252
253
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 245

def build_directive_nodes(directives)
  if !include_built_in_directives
    directives = directives.reject { |directive| directive.default_directive? }
  end

  directives
    .map { |directive| build_directive_node(directive) }
    .sort_by(&:name)
end

#build_enum_type_node(enum_type) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



98
99
100
101
102
103
104
105
106
107
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 98

def build_enum_type_node(enum_type)
  GraphQL::Language::Nodes::EnumTypeDefinition.new(
    name: enum_type.graphql_name,
    values: warden.enum_values(enum_type).sort_by(&:graphql_name).map do |enum_value|
      build_enum_value_node(enum_value)
    end,
    description: enum_type.description,
    directives: directives(enum_type),
  )
end

#build_enum_value_node(enum_value) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



109
110
111
112
113
114
115
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 109

def build_enum_value_node(enum_value)
  GraphQL::Language::Nodes::EnumValueDefinition.new(
    name: enum_value.graphql_name,
    description: enum_value.description,
    directives: directives(enum_value),
  )
end

#build_field_node(field) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



69
70
71
72
73
74
75
76
77
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 69

def build_field_node(field)
  GraphQL::Language::Nodes::FieldDefinition.new(
    name: field.graphql_name,
    arguments: build_argument_nodes(warden.arguments(field)),
    type: build_type_name_node(field.type),
    description: field.description,
    directives: directives(field),
  )
end

#build_field_nodes(fields) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



277
278
279
280
281
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 277

def build_field_nodes(fields)
  fields
    .map { |field| build_field_node(field) }
    .sort_by(&:name)
end

#build_input_object_node(input_object) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



143
144
145
146
147
148
149
150
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 143

def build_input_object_node(input_object)
  GraphQL::Language::Nodes::InputObjectTypeDefinition.new(
    name: input_object.graphql_name,
    fields: build_argument_nodes(warden.arguments(input_object)),
    description: input_object.description,
    directives: directives(input_object),
  )
end

#build_interface_type_node(interface_type) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



88
89
90
91
92
93
94
95
96
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 88

def build_interface_type_node(interface_type)
  GraphQL::Language::Nodes::InterfaceTypeDefinition.new(
    name: interface_type.graphql_name,
    interfaces: warden.interfaces(interface_type).sort_by(&:graphql_name).map { |type| build_type_name_node(type) },
    description: interface_type.description,
    fields: build_field_nodes(warden.fields(interface_type)),
    directives: directives(interface_type),
  )
end

#build_object_type_node(object_type) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



59
60
61
62
63
64
65
66
67
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 59

def build_object_type_node(object_type)
  GraphQL::Language::Nodes::ObjectTypeDefinition.new(
    name: object_type.graphql_name,
    interfaces: warden.interfaces(object_type).sort_by(&:graphql_name).map { |iface| build_type_name_node(iface) },
    fields: build_field_nodes(warden.fields(object_type)),
    description: object_type.description,
    directives: directives(object_type),
  )
end

#build_scalar_type_node(scalar_type) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



117
118
119
120
121
122
123
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 117

def build_scalar_type_node(scalar_type)
  GraphQL::Language::Nodes::ScalarTypeDefinition.new(
    name: scalar_type.graphql_name,
    description: scalar_type.description,
    directives: directives(scalar_type),
  )
end

#build_schema_node ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



46
47
48
49
50
51
52
53
54
55
56
57
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 46

def build_schema_node
  GraphQL::Language::Nodes::SchemaDefinition.new(
    query: (q = warden.root_type_for_operation("query")) && q.graphql_name,
    mutation: (m = warden.root_type_for_operation("mutation")) && m.graphql_name,
    subscription: (s = warden.root_type_for_operation("subscription")) && s.graphql_name,
    # This only supports directives from parsing,
    # use a custom printer to add to this list.
    #
    # `@schema.directives` is covered by `build_definition_nodes`
    directives: ast_directives(@schema),
  )
end

#build_type_definition_node(type) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 220

def build_type_definition_node(type)
  case type.kind.name
  when "OBJECT"
    build_object_type_node(type)
  when "UNION"
    build_union_type_node(type)
  when "INTERFACE"
    build_interface_type_node(type)
  when "SCALAR"
    build_scalar_type_node(type)
  when "ENUM"
    build_enum_type_node(type)
  when "INPUT_OBJECT"
    build_input_object_node(type)
  else
    raise TypeError
  end
end

#build_type_definition_nodes(types) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



263
264
265
266
267
268
269
270
271
272
273
274
275
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 263

def build_type_definition_nodes(types)
  if !include_introspection_types
    types = types.reject { |type| type.introspection? }
  end

  if !include_built_in_scalars
    types = types.reject { |type| type.kind.scalar? && type.default_scalar? }
  end

  types
    .map { |type| build_type_definition_node(type) }
    .sort_by(&:name)
end

#build_type_name_node(type) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



172
173
174
175
176
177
178
179
180
181
182
183
184
185
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 172

def build_type_name_node(type)
  case type.kind.name
  when "LIST"
    GraphQL::Language::Nodes::ListType.new(
      of_type: build_type_name_node(type.of_type)
    )
  when "NON_NULL"
    GraphQL::Language::Nodes::NonNullType.new(
      of_type: build_type_name_node(type.of_type)
    )
  else
    GraphQL::Language::Nodes::TypeName.new(name: type.graphql_name)
  end
end

#build_union_type_node(union_type) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



79
80
81
82
83
84
85
86
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 79

def build_union_type_node(union_type)
  GraphQL::Language::Nodes::UnionTypeDefinition.new(
    name: union_type.graphql_name,
    description: union_type.description,
    types: warden.possible_types(union_type).sort_by(&:graphql_name).map { |type| build_type_name_node(type) },
    directives: directives(union_type),
  )
end

#document ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



40
41
42
43
44
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 40

def document
  GraphQL::Language::Nodes::Document.new(
    definitions: build_definition_nodes
  )
end