Packages
absinthe
1.11.0
1.11.0
1.10.2
1.10.1
1.10.0
1.9.1
1.9.0
1.8.0
1.7.11
1.7.10
1.7.9
1.7.8
1.7.7
1.7.6
1.7.5
1.7.4
1.7.3
1.7.2
1.7.1
1.7.0
1.6.8
1.6.7
retired
1.6.6
1.6.5
1.6.4
1.6.3
1.6.2
1.6.1
1.6.0
1.6.0-rc.1
1.6.0-rc.0
1.5.5
1.5.4
1.5.3
1.5.2
1.5.1
1.5.0
1.5.0-rc.5
1.5.0-rc.4
1.5.0-rc.3
1.5.0-rc.2
1.5.0-rc.1
1.5.0-rc.0
1.5.0-beta.2
1.5.0-beta.1
1.5.0-beta.0
1.5.0-alpha.4
1.5.0-alpha.3
1.5.0-alpha.2
1.5.0-alpha.1
1.5.0-alpha.0
1.4.16
1.4.15
1.4.14
1.4.13
1.4.12
1.4.11
1.4.10
1.4.9
1.4.8
retired
1.4.7
1.4.6
1.4.5
1.4.4
1.4.3
1.4.2
1.4.1
1.4.0
1.4.0-rc.3
1.4.0-rc.2
1.4.0-rc.1
1.4.0-rc.0
1.4.0-beta.5
1.4.0-beta.4
1.4.0-beta.3
1.4.0-beta.2
1.4.0-beta.1
1.3.2
1.3.1
1.3.0
1.3.0-rc.0
1.3.0-beta.2
1.3.0-beta.1
1.3.0-beta.0
1.2.6
1.2.5
1.2.4
1.2.3
1.2.2
1.2.1
1.2.0
1.2.0-rc.0
1.2.0-beta.0
1.2.0-alpha0
1.2.0-alpha.2
1.2.0-alpha.1
1.1.11
1.1.10
1.1.9
1.1.8
1.1.7
1.1.6
1.1.5
1.1.4
1.1.3
1.1.2
1.1.1
1.1.0
1.0.0
0.5.2
0.5.1
0.5.0
0.4.6
0.4.5
0.4.4
0.4.3
0.4.2
0.4.1
0.4.0
0.2.3
0.2.2
0.2.1
0.1.0
GraphQL for Elixir
Current section
Files
Jump to
Current section
Files
lib/absinthe/phase/document/validation/provided_non_null_variables.ex
defmodule Absinthe.Phase.Document.Validation.ProvidedNonNullVariables do
@moduledoc false
# Validates document to ensure that all non-null variable definitions
# are provided values.
alias Absinthe.{Blueprint, Phase, Schema}
use Absinthe.Phase
@doc """
Run the validation.
"""
@spec run(Blueprint.t(), Keyword.t()) :: Phase.result_t()
def run(input, _options \\ []) do
result =
Blueprint.update_current(input, fn op ->
Blueprint.prewalk(op, &handle_node(&1, input.schema))
end)
{:ok, result}
end
# Find variable definitions
@spec handle_node(Blueprint.node_t(), Schema.t()) :: Blueprint.node_t()
defp handle_node(
%Blueprint.Document.VariableDefinition{
type: %Blueprint.TypeReference.NonNull{},
provided_value: nil
} = node,
_
) do
node
|> put_error(error(node))
end
defp handle_node(
%Blueprint.Document.VariableDefinition{
type: %Blueprint.TypeReference.NonNull{},
provided_value: %Blueprint.Input.Null{}
} = node,
_
) do
node
|> put_error(error(node))
end
defp handle_node(node, _) do
node
end
# Generate an error for variable definition
@spec error(Blueprint.Document.VariableDefinition.t()) :: Phase.Error.t()
defp error(node) do
%Phase.Error{
phase: __MODULE__,
message: error_message(node.name),
locations: [node.source_location]
}
end
@doc """
Generate the error message.
"""
@spec error_message(String.t()) :: String.t()
def error_message(variable_name) do
~s(Variable "#{variable_name}": Expected non-null, found null.)
end
end