Code:
  (lambda ()
    (elixir-ts-mode)
    (indent-region (point-min) (point-max)))

Point-Char: $

Name: Basic modules

=-=
  defmodule Foobar do
def bar() do
"one"
      end
    end
=-=
defmodule Foobar do
  def bar() do
    "one"
  end
end
=-=-=

Name: Map

=-=
map = %{
  "a" => 1,
  "b" => 2
}
=-=-=

Name: Map in function def

=-=
def foobar() do
  %{
    one: "one",
    two: "two",
    three: "three",
    four: "four"
  }
end
=-=-=

Name: Map in tuple

=-=
def foo() do
  {:ok,
   %{
     state
     | extra_arguments: extra_arguments,
       max_children: max_children,
       max_restarts: max_restarts,
       max_seconds: max_seconds,
       strategy: strategy
   }}
end
=-=-=

Name: Nested maps

=-=
%{
  foo: "bar",
  bar: %{
    foo: "bar"
  }
}

def foo() do
  %{
    foo: "bar",
    bar: %{
      foo: "bar"
    }
  }
end
=-=-=

Name: Bitstring mulitline

=-=
<<12, 22,
22, 32
    >>
=-=
<<12, 22,
  22, 32
>>
=-=-=

Name: Block assignments

=-=
foo =
  if true do
    "yes"
  else
    "no"
  end
=-=-=

Name: Function rescue

=-=
def foo do
  "bar"
rescue
  e ->
    "bar"
end
=-=-=

Name: With statement
=-=
with one <- one(),
     two <- two(),
     {:ok, value} <- get_value(one, two) do
  {:ok, value}
else
  {:error, %{"Message" => message}} ->
    {:error, message}
end
=-=-=

Name: Pipe statements with fn

=-=
[1, 2]
|> Enum.map(fn num ->
  num + 1
end)
=-=-=

Name: Pipe statements stab clases

=-=
[1, 2]
|> Enum.map(fn
  x when x < 10 -> x * 2
  x -> x * 3
end)
=-=-=

Name: Pipe statements params

=-=
[1, 2]
|> foobar(
  :one,
  :two,
  :three,
  :four
)
=-=-=

Name: Parameter maps

=-=
def something(%{
      one: :one,
      two: :two
    }) do
  {:ok, "done"}
end
=-=-=

Name: Binary operator in else block

=-=
defp foobar() do
  if false do
    :foo
  else
    :bar |> foo
  end
end
=-=-=

Name: Tuple indentation

=-=
tuple = {
  :one,
  :two
}

{
  :one,
  :two
}
=-=-=

Name: Call with keywords

=-=
def foo() do
  bar(:one,
      :two,
      one: 1,
      two: 2
  )
end
=-=-=

Name: Call with @spec

=-=
@spec foobar(
        t,
        acc,
        (one, something -> :bar | far),
        (two -> :bar | far)
      ) :: any()
      when chunk: any
def foobar(enumerable, acc, chunk_fun, after_fun) do
  {_, {res, acc}} =
    case after_fun.(acc) do
      {:one, "one"} ->
        "one"

      {:two, "two"} ->
        "two"
    end
end
=-=-=

Name: Spec with multi-line result

=-=
@type result ::
        {:done, term}
        | {:two}
        | {:one}

@type result ::
        {
          :done,
          term
        }
        | {:two}
        | {:one}

@type boo_bar ::
        (foo :: pos_integer, bar :: pos_integer -> any())

@spec foo_bar(
        t,
        (foo -> any),
        (() -> any) | (foo, foo -> boolean) | module()
      ) :: any
      when foo: any
def foo(one, fun, other)
=-=-=

Name: String concatenation in call

=-=
IO.warn(
  "one" <>
    "two" <>
    "bar"
)

IO.warn(
  "foo" <>
    "bar"
)
=-=-=

Name: Incomplete tuple

=-=
map = {
:foo

=-=
map = {
  :foo

=-=-=

Name: Incomplete map

=-=
map = %{
  "a" => "a",
=-=-=

Name: Incomplete list

=-=
map = [
:foo

=-=
map = [
  :foo

=-=-=

Name: String concatenation

=-=
"one" <>
  "two" <>
  "three" <>
  "four"
=-=-=

Name: Tuple with same line first node

=-=
{:one,
 :two}

{:ok,
 fn one ->
   one
   |> String.upcase(one)
 end}
=-=-=

Name: Long tuple

=-=
{"January", "February", "March", "April", "May", "June", "July", "August", "September",
 "October", "November", "December"}
=-=-=

Name: Doc

=-=
defmodule Foo do
"""
    bar
    """
end
=-=
defmodule Foo do
  """
    bar
  """
end
=-=-=

Name: Embedded HEEx

=-=
 defmodule Foo do
 def foo(assigns) do
~H"""
<span>
text
</span>
"""
 end
 end
=-=
defmodule Foo do
  def foo(assigns) do
    ~H"""
    <span>
      text
    </span>
    """
  end
end
=-=-=

Code:
  (lambda ()
    (elixir-ts-mode)
    (newline)
    (indent-for-tab-command))

Name: New list item

=-=
[
  :foo,$
]
=-=
[
  :foo,
  $
]
=-=-=