relay-edge-types
- Category:
Schema
- Rule name:
@graphql-eslint/relay-edge-types
- Requires GraphQL Schema:
true
ℹ️ - Requires GraphQL Operations:
false
ℹ️
Set of rules to follow Relay specification for Edge types.
- A type that is returned in list form by a connection type’s
edges
field is considered by this spec to be an Edge type - Edge type must be an Object type
- Edge type must contain a field
node
that return either Scalar, Enum, Object, Interface, Union, or a non-null wrapper around one of those types. Notably, this field cannot return a list - Edge type must contain a field
cursor
that return either String, Scalar, or a non-null wrapper around one of those types - Edge type name must end in “Edge” (optional)
- Edge type’s field
node
must implementNode
interface (optional) - A list type should only wrap an edge type (optional)
Usage Examples
Correct
# eslint @graphql-eslint/relay-edge-types: 'error'
type UserConnection {
edges: [UserEdge]
pageInfo: PageInfo!
}
Config Schema
The schema defines the following properties:
withEdgeSuffix
(boolean)
Edge type name must end in “Edge”.
Default: true
shouldImplementNode
(boolean)
Edge type’s field node
must implement Node
interface.
Default: true
listTypeCanWrapOnlyEdgeType
(boolean)
A list type should only wrap an edge type.
Default: true
Resources
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