updated for elixir 1.3

lib/mailex/address.ex

@@ -1,10 +1,8 @@
 defmodule Mailex.Address do
   defstruct name: nil, address: nil
 
-
   def rfc_822_format(emails) when is_list(emails), do:
-    emails |> Enum.map(&rfc_822_format(&1))
-
+     Enum.map(emails, &rfc_822_format(&1))
 
   def rfc_822_format(email) when is_map(email) do
     email_address = Map.get(email, "address", Map.get(email, :address))
@@ -14,17 +12,21 @@ defmodule Mailex.Address do
     "#{email_name} <#{email_address}>"
   end
 
+  def envelope_format(emails) when is_list(emails), do:
+    Enum.map(emails, &envelope_format(&1))
+
+  def envelope_format(email) when is_map(email), do:
+    "<#{Map.get(email, "address", Map.get(email, :address))}>"
 
   defp prepare_name(email_name, address) do
-    if email_name do
-      email_name = String.strip(email_name)
-    else
-      email_name = address |>
-        String.split("@") |>
-        List.first |>
-        String.split(~r/([^\w\s]|_)/) |>
-        Enum.map(&String.capitalize/1) |>
-        Enum.join(" ")
+    email_name = case email_name do
+      nil -> address
+        |> String.split("@")
+        |> List.first
+        |> String.split(~r/([^\w\s]|_)/)
+        |> Enum.map(&String.capitalize/1)
+        |> Enum.join(" ")
+      _ -> String.strip(email_name)
     end
     if String.match?(email_name, ~r/[\(\)\<\>\@\,\;\:\"\.\[\]\\]/) do
       "\"\\\"" <> String.replace(email_name, "\"", "\\\"") <> "\\\"\""
@@ -33,15 +35,4 @@ defmodule Mailex.Address do
     end
   end
 
-
-  def envelope_format(emails) when is_list(emails), do:
-    emails |> Enum.map(&envelope_format(&1))
-
-
-  def envelope_format(email) when is_map(email) do
-    email_address = Map.get(email, "address", Map.get(email, :address))
-    "<#{email_address}>"
-  end
-
-
 end

lib/mailex/render.ex

@@ -3,15 +3,14 @@ defmodule Mailex.Render do
   alias Mailex.Address
 
   def render(email) do
-    mimemail_args = []
-    if email.text, do:
-      mimemail_args = [ { :plain, email.text } | mimemail_args]
-    if email.html, do:
-      mimemail_args = [ { :html, email.html } | mimemail_args]
-    if email.attachments, do:
-      mimemail_args = [ Enum.map(email.attachments, fn(a) -> { :attachment, a.data, a } end) | mimemail_args ]
+    mimemail_args = if email.text, do:
+      [ { :plain, email.text } ], else: []
+    mimemail_args = if email.html, do:
+      [ { :html, email.html } | mimemail_args], else: mimemail_args
+    mimemail_args = if email.attachments, do:
+      [ Enum.map(email.attachments, fn(a) -> { :attachment, a.data, a } end) | mimemail_args ], else: mimemail_args
 
-    mimemail_args |> List.flatten |> to_tuple(email) |> :mimemail.encode
+     List.flatten(mimemail_args) |> to_tuple(email) |> :mimemail.encode
   end
 
 
@@ -107,24 +106,16 @@ defmodule Mailex.Render do
 
 
   def headers_for(email) do
-    headers = []
-
-    if email.reply_to && (length(email.reply_to) > 0), do:
-      headers = [ { "Reply-To", email.reply_to |> stringify_addresses } ]
-
+    headers = if email.reply_to && (length(email.reply_to) > 0), do:
+      [ { "Reply-To", email.reply_to |> stringify_addresses } ], else: []
     # BCC should not go into headers
-
-    if email.cc && (length(email.cc) > 0), do:
-      headers = [ { "Cc", email.cc |> stringify_addresses } | headers ]
-
-    if email.to && (length(email.to) > 0), do:
-      headers = [ { "To", email.to |> stringify_addresses } | headers ]
-
-    if email.headers && (length(email.headers) > 0), do:
-      headers = headers ++ email.headers
-
-    [ { "From",    email.from |> stringify_addresses },
-      { "Subject", email.subject || "" }  | headers ]
+    headers = if email.cc && (length(email.cc) > 0), do:
+      [ { "Cc", email.cc |> stringify_addresses } | headers ], else: headers
+    headers = if email.to && (length(email.to) > 0), do:
+      [ { "To", email.to |> stringify_addresses } | headers ], else: headers
+    headers = if email.headers && (length(email.headers) > 0), do:
+      headers ++ email.headers, else: headers
+    [ { "From", email.from |> stringify_addresses }, { "Subject", email.subject || "" }  | headers ]
   end
 
 
@@ -141,4 +132,4 @@ defmodule Mailex.Render do
   end
 
 
-end
+end