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 https://github.com/avh4/elm-format/releases/download/0.1-alpha2/elm-format-0.1-alpha2-mac-x64.tgz
+  - tar xvzf /tmp/elm-format.tgz -C /usr/local/bin

CHANGELOG.md

@@ -1,4 +1,5 @@
 # dev
+- Add [elm-format](https://github.com/avh4/elm-format) beautifier for the Elm language.
 - Add [clang-format](http://clang.llvm.org/docs/ClangFormat.html) beautifier for C/C++/Obj-C languages.
 - Add [yapf](http://github.com/google/yapf) beautifier for Python.
 

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](https://github.com/Glavin001/atom-beautify/pull/700)
+  - Requires [Elm-Format](https://github.com/avh4/elm-format)
 
 ## Usage
 

appveyor.yml

@@ -115,7 +115,7 @@ build_script:
 
   - cd %APPVEYOR_BUILD_FOLDER%
   # Install languages to Atom
-  - apm install language-marko language-html-swig language-svg
+  - apm install language-marko language-html-swig language-svg language-elm
   # Show current PATH
   - echo %PATH%
   # Run tests on package

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.

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

package.json

@@ -58,6 +58,10 @@
     {
       "name": "Daniel Bayley",
       "url": "https://github.com/danielbayley"
+    },
+    {
+      "name": "Murphy Randle",
+      "url": "https://github.com/splodingsocks"
     }
   ],
   "engines": {
@@ -156,7 +160,8 @@
     "marko",
     "go",
     "golang",
-    "svg"
+    "svg",
+    "elm"
   ],
   "devDependencies": {
     "coffee-script": "^1.9.3",

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

@@ -0,0 +1,24 @@
+###
+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) ->
+    tempfile = @tempFile("input", text, ".elm")
+    .then (name) =>
+      @run("elm-format", [
+        '--yes',
+        name
+        ],
+        { help: { link: 'https://github.com/avh4/elm-format' } }
+      )
+      .then () =>
+        @readFile(name)

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"