Convert keyword list/tuple list to GraphQL mutation query string

iex> mutation = [hero: [:name, friends: [:name]]]
iex> Cognac.mutation(mutation) |> IO.puts
mutation{updateHero(name:"Steve"){name}}

Options

• :output
  • :iodata (default) - Outputs as IO data
  • :binary - Outputs query as a binary string
• pretty
  • false (default) - Outputs minimal query
  • true - Outputs prettified query with indentation and linebreaks

Specs

mutation_operation(binary(), list() | keyword(), list() | keyword(), keyword()) ::
  binary() | iodata()

Marks type as non-null, appending with an exclamation mark (!).

Convert keyword list/tuple list to GraphQL query string

iex> query = [hero: [:name, friends: [:name]]]
iex> Cognac.query(query) |> IO.puts
# query{hero{name friends{name}}}

Options

• :output
  • :iodata (default) - Outputs as IO data
  • :binary - Outputs query as a binary string
• pretty
  • false (default) - Outputs minimal query
  • true - Outputs prettified query with indentation and linebreaks

Specs

query_operation(binary(), list() | keyword(), list() | keyword(), keyword()) ::
  binary() | iodata()

Convert keyword list/tuple list to GraphQL subscription query string

iex> subscription = [heroUpdated: [:name]]
iex> Cognac.subscription(subscription) |> IO.puts
subscription{heroUpdated{name}}

Options

• :output
  • :iodata (default) - Outputs as IO data
  • :binary - Outputs query as a binary string
• pretty
  • false (default) - Outputs minimal query
  • true - Outputs prettified query with indentation and linebreaks

Specs

subscription_operation(
  binary(),
  list() | keyword(),
  list() | keyword(),
  keyword()
) ::
  binary() | iodata()

Marks value as variable, helping with correct annotation using ($) and all that jazz.