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
39
 
# 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
  @include_one_of = false

  filter = GraphQL::Filter.new(only: only, except: except, silence_deprecation_warning: true)
  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. 



128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 128

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. 



242
243
244
245
246
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 242

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. 



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
219
220
221
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 190

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. 



254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 254

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

  type_nodes = build_type_definition_nodes(warden.reachable_types)

  if @include_one_of
    # This may have been set to true when iterating over all types
    dir_nodes.concat(build_directive_nodes([GraphQL::Schema::Directive::OneOf]))
  end

  definitions = [*dir_nodes, *type_nodes]
  if include_schema_node?
    definitions.unshift(build_schema_node)
  end

  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. 



169
170
171
172
173
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 169

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. 



165
166
167
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 165

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. 



155
156
157
158
159
160
161
162
163
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 155

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. 



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

def build_directive_nodes(directives)
  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. 



101
102
103
104
105
106
107
108
109
110
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 101

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. 



112
113
114
115
116
117
118
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 112

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. 



72
73
74
75
76
77
78
79
80
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 72

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. 



290
291
292
293
294
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 290

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. 



146
147
148
149
150
151
152
153
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 146

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. 



91
92
93
94
95
96
97
98
99
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 91

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. 



62
63
64
65
66
67
68
69
70
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 62

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. 



120
121
122
123
124
125
126
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 120

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. 



47
48
49
50
51
52
53
54
55
56
57
58
59
60
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 47

def build_schema_node
  schema_options = {
    # `@schema.directives` is covered by `build_definition_nodes`
    directives: definition_directives(@schema, :schema_directives),
  }
  if !schema_respects_root_name_conventions?(@schema)
    schema_options.merge!({
      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,
    })
  end
  GraphQL::Language::Nodes::SchemaDefinition.new(schema_options)
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. 



223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 223

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. 



276
277
278
279
280
281
282
283
284
285
286
287
288
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 276

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. 



175
176
177
178
179
180
181
182
183
184
185
186
187
188
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 175

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. 



82
83
84
85
86
87
88
89
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 82

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. 



41
42
43
44
45
 
# File 'lib/graphql/language/document_from_schema_definition.rb', line 41

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