ExI18n

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ExI18n is key-based internationalization library for Elixir.

Table of Contents

Installation

Add exi18n to your list of dependencies and to applications in mix.exs:

# mix.exs

def deps do
  [
    {:exi18n, "~> 0.9.0"},
  ]
end

def application do
  [applications: [
    :exi18n,
  ]]
end

Configuration

Add configuration to your config/config.exs:

# config.exs

config :exi18n,
  default_locale: "en",
  locales: ~w(en),
  fallback: false,
  loader: :yml,
  loader_options: %{path: "priv/locales"},
  var_prefix: "%{",
  var_suffix: "}"

Configuration parameters

Option Description Default
default_locale Default locale in your application. "en"
locales Supported locales. ["en"]
fallback Fallback to default locale if translation empty. false
loader Translation loader. Supported types: :yml, :http, MyApp.Loader. :yml
loader_options Translation loader options. %{}
var_prefix Prefix for values in translations. "%{"
var_suffix Suffix for values in translations. "}"

Loaders

YAML

This loader will use yaml files from path to load translations.

Module

ExI18n.Loader.YAML

Dependencies

# mix.exs

def deps do
  [
    {:exi18n, "~> 0.9.0"},
    {:yaml_elixir, "~> 2.0"},
  ]
end

def application do
  [applications: [
    :exi18n,
    :yaml_elixir,
  ]]
end

Configuration

Option Required Description
path Yes Path to locale files. 
# config.exs

config :exi18n,
  loader: :yml,
  loader_options: %{
    path: "priv/locales" # or {MyHelper, :path, ["priv/locales"]}
  }

Custom

Module

MyApp.Loader

Make sure that your custom loader has load/2 function that accepts locale and options as parameters and returns Map with translations.

Example:

defmodule MyApp.Loader do
  def load(locale, _options) do
    %{
      "en" => %{...},
      "de" => %{...}
    }[locale]
  end
end

Dependencies

# mix.exs

def deps do
  [
    {:exi18n, "~> 0.9.0"},
  ]
end

def application do
  [applications: [
    :exi18n,
  ]]
end

Configuration

# config.exs

config :exi18n,
  loader: MyApp.Loader,
  loader_options: %{my_config: "value"}

Documentation

https://hexdocs.pm/exi18n