Closes #192. Add coffee-fmt beautifier for CoffeeScript language

examples/simple-jsbeautifyrc/coffeescript/expected/operators.coffee

@@ -1,2 +1,2 @@
 value %%= 4000
-value != true
+value isnt true

examples/simple-jsbeautifyrc/coffeescript/expected/test.coffee

@@ -1,10 +1,8 @@
 hello derek how is it going?
 for c, i in "Hello  World!"
   k = 1 + 1 - 2 >= 3 <= 4 > 5 < 6
-
   for c, i in "Hello  World"
-    k = (a, b) -> if b? return a
-
+    k = (a, b) -> if b? then return a
 f = b()[0]
 for c, i in "Hello World"
   f(b())

examples/simple-jsbeautifyrc/coffeescript/original/test.coffee

@@ -3,7 +3,7 @@ for c, i in "Hello  World!"
   k = 1+1-  2>=3<=  4>5   <6
 
   for c, i  in "Hello  World"
-    k = (a,b)-> if b?  return a
+    k = (a,b)-> if b? then     return a
 
 f  =  b()[0]
 for c, i in "Hello World"

package.json

@@ -53,6 +53,7 @@
     "atom-message-panel": "^1.1.1",
     "atom-space-pen-views": "^2.0.3",
     "bluebird": "^2.9.25",
+    "coffee-fmt": "^0.7.0",
     "coffee-formatter": "^0.1.2",
     "csscomb": "^3.0.4",
     "diff": "^1.3.2",

src/beautifiers/coffee-fmt.coffee

@@ -0,0 +1,26 @@
+"use strict"
+Beautifier = require('./beautifier')
+
+module.exports = class PrettyDiff extends Beautifier
+    name: "coffee-fmt"
+
+    options: {
+        # Apply language-specific options
+        CoffeeScript:
+            tab: ["indent_size", "indent_char", "indent_with_tabs", (indentSize, indentChar, indentWithTabs) ->
+                return "\t" if indentWithTabs
+                Array(indentSize+1).join(indentChar)
+            ]
+    }
+
+    beautify: (text, language, options) ->
+        return new @Promise((resolve, reject) ->
+            # Add newLine option
+            options.newLine = "\n"
+            # Require
+            fmt = require('coffee-fmt')
+            # Format!
+            results = fmt.format(text, options)
+            # Return beautified CoffeeScript code
+            resolve(results)
+        )

src/beautifiers/index.coffee

@@ -34,6 +34,7 @@ module.exports = class Beautifiers
         'uncrustify'
         'autopep8'
         'coffee-formatter'
+        'coffee-fmt'
         'htmlbeautifier'
         'csscomb'
         'gofmt'

src/beautifiers/prettydiff.coffee

@@ -1,7 +1,5 @@
 "use strict"
-prettydiff = require("prettydiff")
 Beautifier = require('./beautifier')
-_ = require('lodash')
 
 module.exports = class PrettyDiff extends Beautifier
     name: "Pretty Diff"
@@ -36,6 +34,8 @@ module.exports = class PrettyDiff extends Beautifier
     beautify: (text, language, options) ->
 
         return new @Promise((resolve, reject) ->
+            prettydiff = require("prettydiff")
+            _ = require('lodash')
 
             # Select Prettydiff language
             lang = "auto"

src/languages/coffeescript.coffee

@@ -18,4 +18,6 @@ module.exports = {
         "coffee"
     ]
 
+    defaultBeautifier: "coffee-fmt"
+
 }