Add support for Elm

.travis.yml

@@ -59,3 +59,6 @@ before_install:
   - brew install haskell-stack
   - stack setup
   - stack install stylish-haskell
+  # Elm
+  - curl -L -o /tmp/elm-format.tgz
+  - tar xvzf -C /usr/local/bin /tmp/elm-format.tgz

README.md

@@ -70,6 +70,8 @@ Or Settings/Preferences ➔ Packages ➔ Search for `atom-beautify`
 - [x] [TypeScript](https://github.com/Glavin001/atom-beautify/issues/49)
 - [x] [Haskell](https://github.com/Glavin001/atom-beautify/issues/628)
   - Requires [stylish-haskell](https://github.com/jaspervdj/stylish-haskell)
+- [x] [Elm]()
+  - Requires [Elm-Format](https://github.com/avh4/elm-format)
 
 ## Usage
 

examples/nested-jsbeautifyrc/elm/expected/test.elm

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

examples/nested-jsbeautifyrc/elm/original/test.elm

@@ -0,0 +1,3 @@
+addThings x y = x + y
+
+main = addThings 4 5

src/beautifiers/elm-format.coffee

@@ -0,0 +1,18 @@
+###
+Requires https://github.com/avh4/elm-format
+###
+
+"use strict"
+Beautifier = require('./beautifier')
+
+module.exports = class ElmFormat extends Beautifier
+  name: "elm-format"
+
+  options: {
+    Elm: true
+  }
+
+  beautify: (text, language, options) ->
+    @run("elm-format", [
+      @tempFile("input", text)
+      ])

src/beautifiers/index.coffee

@@ -38,6 +38,7 @@ module.exports = class Beautifiers extends EventEmitter
     'coffee-formatter'
     'coffee-fmt'
     'clang-format'
+    'elm-format'
     'htmlbeautifier'
     'csscomb'
     'gherkin'

src/languages/elm.coffee

@@ -0,0 +1,22 @@
+module.exports = {
+
+  name: "Elm"
+  namespace: "elm"
+
+  ###
+  Supported Grammars
+  ###
+  grammars: [
+    "Elm"
+  ]
+
+  ###
+  Supported extensions
+  ###
+  extensions: [
+    "elm"
+  ]
+
+  options: []
+
+}

src/languages/index.coffee

@@ -21,6 +21,7 @@ module.exports = class Languages
     "csv"
     "d"
     "ejs"
+    "elm"
     "erb"
     "gherkin"
     "go"

test.elm

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