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absinthe
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lib/absinthe/blueprint/input.ex
defmodule Absinthe.Blueprint.Input do
@moduledoc false
alias Absinthe.Blueprint
alias __MODULE__
import Kernel, except: [inspect: 1]
@type leaf ::
Input.Integer.t
| Input.Float.t
| Input.Enum.t
| Input.String.t
| Input.Variable.t
| Input.Boolean.t
| Input.Null.t
@type collection ::
Blueprint.Input.List.t
| Input.Object.t
@type t :: leaf | collection | Input.Value.t | Input.Argument.t
@parse_types [
Input.Boolean,
Input.Enum,
Input.Field,
Input.Float,
Input.Integer,
Input.List,
Input.Object,
Input.String,
Input.Null
]
@spec parse(any) :: nil | t
def parse(%struct{} = value) when struct in @parse_types do
value
end
def parse(value) when is_integer(value) do
%Input.Integer{value: value}
end
def parse(value) when is_float(value) do
%Input.Float{value: value}
end
def parse(value) when is_nil(value) do
%Input.Null{}
end
# Note: The value may actually be an Enum value and may
# need to be manually converted, based on the schema.
def parse(value) when is_binary(value) do
%Input.String{value: value}
end
def parse(value) when is_boolean(value) do
%Input.Boolean{value: value}
end
def parse(value) when is_list(value) do
%Input.List{
items: Enum.map(value, fn item ->
%Input.Value{literal: parse(item)}
end)
}
end
def parse(value) when is_map(value) do
%Input.Object{
fields: Enum.map(value, fn
{name, field_value} ->
%Input.Field{
name: name,
input_value: %Input.Value{literal: parse(field_value)}
}
end)
}
end
@simple_inspect_types [
Input.Boolean,
Input.Float,
Input.Integer,
Input.String
]
@spec inspect(t) :: String.t
def inspect(%str{} = node) when str in @simple_inspect_types do
Kernel.inspect(node.value)
end
def inspect(%Input.Enum{} = node) do
node.value
end
def inspect(%Input.List{} = node) do
contents =
node.items
|> Enum.map(&inspect/1)
|> Enum.join(", ")
"[#{contents}]"
end
def inspect(%Input.Object{} = node) do
contents =
node.fields
|> Enum.filter(&(&1.input_value.literal))
|> Enum.map(&inspect/1)
|> Enum.join(", ")
"{#{contents}}"
end
def inspect(%Input.Field{} = node) do
node.name <> ": " <> inspect(node.input_value)
end
def inspect(%Input.Value{} = node) do
inspect(node.literal)
end
def inspect(%Input.Variable{} = node) do
"$" <> node.name
end
def inspect(%Input.Null{}) do
"null"
end
def inspect(nil) do
"null"
end
def inspect(other) do
Kernel.inspect(other)
end
end