Elixir

Configuration Example

[project]
name      = "my-elixir-app"
root      = "."
languages = ["elixir"]

[resolve.elixir]
app_name = "MyApp"

[[layers]]
name            = "domain"
paths           = ["lib/domain/**"]
dependency_mode = "opt-in"
allow           = []
external_mode   = "opt-out"
external_deny   = []

[[layers]]
name            = "usecase"
paths           = ["lib/usecase/**"]
dependency_mode = "opt-in"
allow           = ["domain"]
external_mode   = "opt-out"
external_deny   = []

[[layers]]
name            = "infrastructure"
paths           = ["lib/infrastructure/**"]
dependency_mode = "opt-out"
deny            = []
external_mode   = "opt-out"
external_deny   = []

app_name Setting

Set [resolve.elixir] app_name to the PascalCase module name corresponding to :app in mix.exs (e.g. MyApp).

[resolve.elixir]
app_name = "MyApp"   # when :app is :my_app in mix.exs

Import Classification

All four Elixir directives are analyzed as dependencies.

Directive	Example	Classification
alias	alias MyApp.Domain.User	Internal (matches app_name)
alias with as:	alias MyApp.Domain.User, as: U	Internal
import	import Enum	External
require	require Logger	External
use	use Ecto.Schema	External

Module-to-Path Resolution

Internal module paths are resolved using the following rule:

MyApp.Domain.User → strip app_name → Domain.User → lowercase → lib/domain/user.ex

Unsupported Features

allow_call_patterns is not supported for Elixir. Because Elixir uses dynamic dispatch, static receiver-type inference is not reliable.