Injections
Injection is a mechanism to get the value of a parameter from other sources than the graphql query. When a parameter is injected, no value is expected in the query, otherwise, the query will fail. They are specified at the type level for input types that are direct children of a t.struct.
Static
Description: Static injection sets a static value to the parameter.
Method: .set(value)
Parameter: The value to be set, it must be compatible with the target type.
Parent
Description: Parent injection gets the value output of a sibling field (source) in the parent struct. It adds a dependency to the sibling field, so make sure to prevent circular dependencies. Additionally, it requires that the source type is a subtype of the target type.
Note: the parent struct is relative to the function in which the current type is an input.
Method: .from_parent(key)
Parameter: The name (key) of the source field in the parent struct.
Context
Description: Context injection gets the value from the request context that contains authentication data.
Method: .from_context(prop_name)
Parameter: The name or jsonpath of the property in the context.
Secret
Description: Secret injection gets the value from the secrets defined when deploying the typegraph.
Method: .from_secret(secret_name)
Parameter: The name of the secret.
Dynamic
Description: Dynamic injection gets the value from a predefined generator evaluated at runtime.
Method: .inject(generator_name)
Parameter: The name of the generator.
Available generators:
now: produces the current datetime as a valid ISO string format. This value depends on the configuration of the typegate host machine.