Class: GraphQL::BaseType

Inherits:
Object
  • Object
show all
Includes:
Define::InstanceDefinable, Define::NonNullWithBang
Defined in:
lib/graphql/base_type.rb

Overview

The parent for all type classes.

Defined Under Namespace

Modules: ModifiesAnotherType

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Define::InstanceDefinable

#define, #metadata, #redefine

Methods included from Define::NonNullWithBang

#!

Constructor Details

#initializeBaseType

Returns a new instance of BaseType



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# File 'lib/graphql/base_type.rb', line 18

def initialize
  @introspection = false
  @default_scalar = false
  @default_relay = false
end

Instance Attribute Details

#default_relay=(value) ⇒ Object (writeonly)

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.



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# File 'lib/graphql/base_type.rb', line 53

def default_relay=(value)
  @default_relay = value
end

#default_scalar=(value) ⇒ Object (writeonly)

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.



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# File 'lib/graphql/base_type.rb', line 53

def default_scalar=(value)
  @default_scalar = value
end

#descriptionString?

Returns a description for this type

Returns:

  • (String, nil)

    a description for this type



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# File 'lib/graphql/base_type.rb', line 35

def description
  @description
end

#introspection=(value) ⇒ Object (writeonly)

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.



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# File 'lib/graphql/base_type.rb', line 53

def introspection=(value)
  @introspection = value
end

#nameString

Returns the name of this type, must be unique within a Schema

Returns:

  • (String)

    the name of this type, must be unique within a Schema



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# File 'lib/graphql/base_type.rb', line 32

def name
  @name
end

Class Method Details

During schema definition, types can be defined inside procs or as strings. This function converts it to a type instance

Returns:



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# File 'lib/graphql/base_type.rb', line 164

def self.resolve_related_type(type_arg)
  case type_arg
  when Proc
    # lazy-eval it
    type_arg.call
  when String
    # Get a constant by this name
    Object.const_get(type_arg)
  else
    type_arg
  end
end

Instance Method Details

#==(other) ⇒ Boolean

Returns are these types equivalent? (incl. non-null, list)

Parameters:

Returns:

  • (Boolean)

    are these types equivalent? (incl. non-null, list)



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# File 'lib/graphql/base_type.rb', line 57

def ==(other)
  if other.is_a?(GraphQL::BaseType)
    self.to_s == other.to_s
  else
    super
  end
end

#coerce_input(value, ctx = nil) ⇒ Object



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# File 'lib/graphql/base_type.rb', line 138

def coerce_input(value, ctx = nil)
  if value.nil?
    nil
  else
    if ctx.nil?
      warn_deprecated_coerce("coerce_isolated_input")
      ctx = GraphQL::Query::NullContext
    end
    coerce_non_null_input(value, ctx)
  end
end

#coerce_isolated_input(value) ⇒ Object



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# File 'lib/graphql/base_type.rb', line 108

def coerce_isolated_input(value)
  coerce_input(value, GraphQL::Query::NullContext)
end

#coerce_isolated_result(value) ⇒ Object



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# File 'lib/graphql/base_type.rb', line 112

def coerce_isolated_result(value)
  coerce_result(value, GraphQL::Query::NullContext)
end

#coerce_result(value, ctx) ⇒ Object

Raises:

  • (NotImplementedError)


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# File 'lib/graphql/base_type.rb', line 150

def coerce_result(value, ctx)
  raise NotImplementedError
end

#connection_typeGraphQL::ObjectType

Returns The default connection type for this object type

Returns:



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# File 'lib/graphql/base_type.rb', line 178

def connection_type
  @connection_type ||= define_connection
end

#default_relay?Boolean

Returns Is this type a built-in Relay type? (Node, PageInfo)

Returns:

  • (Boolean)

    Is this type a built-in Relay type? (Node, PageInfo)



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# File 'lib/graphql/base_type.rb', line 48

def default_relay?
  @default_relay
end

#default_scalar?Boolean

Returns Is this type a built-in scalar type? (eg, String, Int)

Returns:

  • (Boolean)

    Is this type a built-in scalar type? (eg, String, Int)



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# File 'lib/graphql/base_type.rb', line 43

def default_scalar?
  @default_scalar
end

#define_connection(**kwargs, &block) ⇒ GraphQL::ObjectType

Define a custom connection type for this object type

Returns:



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# File 'lib/graphql/base_type.rb', line 184

def define_connection(**kwargs, &block)
  GraphQL::Relay::ConnectionType.create_type(self, **kwargs, &block)
end

#define_edge(**kwargs, &block) ⇒ GraphQL::ObjectType

Define a custom edge type for this object type

Returns:



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# File 'lib/graphql/base_type.rb', line 195

def define_edge(**kwargs, &block)
  GraphQL::Relay::EdgeType.create_type(self, **kwargs, &block)
end

#edge_typeGraphQL::ObjectType

Returns The default edge type for this object type

Returns:



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# File 'lib/graphql/base_type.rb', line 189

def edge_type
  @edge_type ||= define_edge
end

#get_field(name) ⇒ GraphQL::Field?

Types with fields may override this

Parameters:

  • name (String)

    field name to lookup for this type

Returns:



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# File 'lib/graphql/base_type.rb', line 157

def get_field(name)
  nil
end

#initialize_copy(other) ⇒ Object



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# File 'lib/graphql/base_type.rb', line 24

def initialize_copy(other)
  super
  # Reset these derived defaults
  @connection_type = nil
  @edge_type = nil
end

#introspection?Boolean

Returns Is this type a predefined introspection type?

Returns:

  • (Boolean)

    Is this type a predefined introspection type?



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# File 'lib/graphql/base_type.rb', line 38

def introspection?
  @introspection
end

#list?Boolean

Returns true if this is a list type. A non-nullable list is considered a list.

Returns:

  • (Boolean)


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# File 'lib/graphql/base_type.rb', line 215

def list?
  false
end

#non_null?Boolean

Returns true if this is a non-nullable type. A nullable list of non-nullables is considered nullable.

Returns:

  • (Boolean)


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# File 'lib/graphql/base_type.rb', line 210

def non_null?
  false
end

#resolve_type(value, ctx) ⇒ Object

Find out which possible type to use for value. Returns self if there are no possible types (ie, not Union or Interface)



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# File 'lib/graphql/base_type.rb', line 89

def resolve_type(value, ctx)
  self
end

#to_definition(schema, printer: nil, **args) ⇒ String

Return a GraphQL string for the type definition

Parameters:

Returns:

  • (String)

    type definition

See Also:

  • for additional options}


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# File 'lib/graphql/base_type.rb', line 204

def to_definition(schema, printer: nil, **args)
  printer ||= GraphQL::Schema::Printer.new(schema, **args)
  printer.print_type(self)
end

#to_list_typeGraphQL::ListType

Returns a list version of this type

Returns:



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# File 'lib/graphql/base_type.rb', line 77

def to_list_type
  GraphQL::ListType.new(of_type: self)
end

#to_non_null_typeGraphQL::NonNullType

Returns a non-null version of this type

Returns:



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# File 'lib/graphql/base_type.rb', line 72

def to_non_null_type
  GraphQL::NonNullType.new(of_type: self)
end

#to_sObject Also known as: inspect

Print the human-readable name of this type using the query-string naming pattern



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# File 'lib/graphql/base_type.rb', line 94

def to_s
  name
end

#unwrapObject

If this type is modifying an underlying type, return the underlying type. (Otherwise, return self.)



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# File 'lib/graphql/base_type.rb', line 67

def unwrap
  self
end

#valid_input?(value, ctx = nil) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'lib/graphql/base_type.rb', line 116

def valid_input?(value, ctx = nil)
  if ctx.nil?
    warn_deprecated_coerce("valid_isolated_input?")
    ctx = GraphQL::Query::NullContext
  end

  validate_input(value, ctx).valid?
end

#valid_isolated_input?(value) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'lib/graphql/base_type.rb', line 100

def valid_isolated_input?(value)
  valid_input?(value, GraphQL::Query::NullContext)
end

#validate_input(value, ctx = nil) ⇒ Object



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# File 'lib/graphql/base_type.rb', line 125

def validate_input(value, ctx = nil)
  if ctx.nil?
    warn_deprecated_coerce("validate_isolated_input")
    ctx = GraphQL::Query::NullContext
  end

  if value.nil?
    GraphQL::Query::InputValidationResult.new
  else
    validate_non_null_input(value, ctx)
  end
end

#validate_isolated_input(value) ⇒ Object



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# File 'lib/graphql/base_type.rb', line 104

def validate_isolated_input(value)
  validate_input(value, GraphQL::Query::NullContext)
end