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GraphQL for Elixir
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lib/absinthe/language/document.ex
defmodule Absinthe.Language.Document do
@moduledoc "The parsed AST representation of a query document"
alias Absinthe.Language
@typedoc false
@type t :: %{definitions: [Absinthe.Traversal.Node.t], loc: Absinthe.Language.loc_t}
defstruct definitions: [], loc: %{start_line: nil}
@doc "Extract a named operation definition from a document"
@spec get_operation(t, binary) :: nil | Absinthe.Language.OperationDefinition.t
def get_operation(%{definitions: definitions}, name) do
definitions
|> Enum.find(nil, fn
%Language.OperationDefinition{name: ^name} ->
true
_ ->
false
end)
end
@doc false
@spec fragments_by_name(Absinthe.Language.Document.t) :: %{binary => Absinthe.Language.Fragment.t}
def fragments_by_name(%{definitions: definitions}) do
definitions
|> Enum.reduce(%{}, fn (statement, memo) ->
case statement do
%Absinthe.Language.Fragment{} ->
memo |> Map.put(statement.name, statement)
_ ->
memo
end
end)
end
defimpl Absinthe.Traversal.Node do
def children(%{definitions: definitions}, _schema), do: definitions
end
end