Cleanup, address comments, and docs

docs/options.md

@@ -2467,6 +2467,61 @@ Automatically beautify EJS files on save
 2. Go into *Packages* and search for "*Atom Beautify*" package.
 3. Find the option "*Language Config - EJS - Beautify On Save*" and change it to your desired configuration.
 
+####  [Language Config - Elm - Disable Beautifying Language](#language-config---elm---disable-beautifying-language) 
+
+**Important**: This option is only configurable from within Atom Beautify's setting panel.
+
+**Type**: `boolean`
+
+**Description**:
+
+Disable Elm Beautification
+
+**How to Configure**
+
+1. You can open the [Settings View](https://github.com/atom/settings-view) by navigating to
+*Edit > Preferences (Linux)*, *Atom > Preferences (OS X)*, or *File > Preferences (Windows)*.
+2. Go into *Packages* and search for "*Atom Beautify*" package.
+3. Find the option "*Language Config - Elm - Disable Beautifying Language*" and change it to your desired configuration.
+
+####  [Language Config - Elm - Default Beautifier](#language-config---elm---default-beautifier) 
+
+**Important**: This option is only configurable from within Atom Beautify's setting panel.
+
+**Default**: `elm-format`
+
+**Type**: `string`
+
+**Enum**:  `elm-format` 
+
+**Description**:
+
+Default Beautifier to be used for Elm
+
+**How to Configure**
+
+1. You can open the [Settings View](https://github.com/atom/settings-view) by navigating to
+*Edit > Preferences (Linux)*, *Atom > Preferences (OS X)*, or *File > Preferences (Windows)*.
+2. Go into *Packages* and search for "*Atom Beautify*" package.
+3. Find the option "*Language Config - Elm - Default Beautifier*" and change it to your desired configuration.
+
+####  [Language Config - Elm - Beautify On Save](#language-config---elm---beautify-on-save) 
+
+**Important**: This option is only configurable from within Atom Beautify's setting panel.
+
+**Type**: `boolean`
+
+**Description**:
+
+Automatically beautify Elm files on save
+
+**How to Configure**
+
+1. You can open the [Settings View](https://github.com/atom/settings-view) by navigating to
+*Edit > Preferences (Linux)*, *Atom > Preferences (OS X)*, or *File > Preferences (Windows)*.
+2. Go into *Packages* and search for "*Atom Beautify*" package.
+3. Find the option "*Language Config - Elm - Beautify On Save*" and change it to your desired configuration.
+
 ####  [Language Config - ERB - Disable Beautifying Language](#language-config---erb---disable-beautifying-language) 
 
 **Important**: This option is only configurable from within Atom Beautify's setting panel.

src/beautifiers/beautifier.coffee

@@ -54,10 +54,10 @@ module.exports = class Beautifier
   ###
   Create temporary file
   ###
-  tempFile: (name = "atom-beautify-temp", contents = "") ->
+  tempFile: (name = "atom-beautify-temp", contents = "", ext = "") ->
     return new Promise((resolve, reject) =>
       # create temp file
-      temp.open(name, (err, info) =>
+      temp.open({prefix: name, suffix: ext}, (err, info) =>
         @debug('tempFile', name, err, info)
         return reject(err) if err
         fs.write(info.fd, contents, (err) ->

src/beautifiers/elm-format.coffee

@@ -3,10 +3,6 @@ Requires https://github.com/avh4/elm-format
 ###
 "use strict"
 Beautifier = require('./beautifier')
-Promise = require("bluebird")
-fs = require("fs")
-readFile = Promise.promisify(fs.readFile)
-rename = Promise.promisify(fs.rename)
 
 module.exports = class ElmFormat extends Beautifier
   name: "elm-format"
@@ -16,14 +12,13 @@ module.exports = class ElmFormat extends Beautifier
   }
 
   beautify: (text, language, options) ->
-    tempfile = @tempFile("input", text)
+    tempfile = @tempFile("input", text, ".elm")
     .then (name) =>
-      newName = name + ".elm"
+      @run("elm-format", [
-      rename name, newName
+        '--yes',
+        name
+        ],
+        { help: { link: 'https://github.com/avh4/elm-format' } }
+      )
       .then () =>
-        @run("elm-format", [
+        @readFile(name)
-          '--yes',
-          newName
-          ])
-        .then () ->
-          readFile newName, {encoding: 'utf-8'}

test.elm

@@ -1,9 +0,0 @@
-module Main (..) where
-
-
-addThings x y =
-    Signal.map (x + y)
-
-
-main =
-    addThings 4 5