Updated change without Docs

src/beautifiers/beautifier.coffee

@@ -97,6 +97,25 @@ module.exports = class Beautifier
       startDir.pop()
     return null
 
+  # Retrieves the default line ending based upon the Atom configuration
+  #  `line-ending-selector.defaultLineEnding`. If the Atom configuration
+  #  indicates "OS Default", the `process.platform` is queried, returning
+  #  CRLF for Windows systems and LF for all other systems.
+  # Code modified from atom/line-ending-selector
+  # returns: The correct line-ending character sequence based upon the Atom
+  #  configuration, or `null` if the Atom line ending configuration was not
+  #  recognized.
+  # see: https://github.com/atom/line-ending-selector/blob/master/lib/main.js
+  getDefaultLineEnding: (crlf,lf) ->
+    switch atom.config.get('line-ending-selector.defaultLineEnding')
+      when 'LF'
+        return lf
+      when 'CRLF'
+        return crlf
+      when 'OS Default'
+        return if process.platform is 'win32' then crlf else lf
+      else
+        return lf
   ###
   If platform is Windows
   ###

src/beautifiers/js-beautify.coffee

@@ -6,6 +6,15 @@ module.exports = class JSBeautify extends Beautifier
   link: "https://github.com/beautify-web/js-beautify"
 
   options: {
+    _:
+      eol: ['end_of_line', (end_of_line) ->
+        if (end_of_line == 'CRLF')
+          '\r\n'
+        else if (end_of_line == 'LF')
+          '\n'
+        else
+          null
+      ]
     HTML: true
     XML: true
     Handlebars: true
@@ -27,9 +36,7 @@ module.exports = class JSBeautify extends Beautifier
   beautify: (text, language, options) ->
     @verbose("JS Beautify language #{language}")
     @info("JS Beautify Options: #{JSON.stringify(options, null, 4)}")
-    #TODO reconsider handling of EOL once js-beautify adds EOL detection
-    #see https://github.com/beautify-web/js-beautify/issues/899
-    options.eol = getDefaultLineEnding() ? options.eol #fixes issue #707
+    options.eol = options.eol ? @getDefaultLineEnding('\r\n','\n')
     return new @Promise((resolve, reject) =>
       try
         switch language

src/beautifiers/prettydiff.coffee

@@ -42,6 +42,14 @@ module.exports = class PrettyDiff extends Beautifier
       ]
       ternaryline: "preserve_ternary_lines"
       bracepadding: "space_in_paren"
+      crlf: ['end_of_line', (end_of_line) ->
+        if (end_of_line == 'CRLF')
+          true
+        else if (end_of_line == 'LF')
+          false
+        else
+          null
+      ]
     # Apply language-specific options
     CSV: true
     Coldfusion: true
@@ -70,6 +78,7 @@ module.exports = class PrettyDiff extends Beautifier
 
   beautify: (text, language, options) ->
 
+    options.crlf = options.crlf ? @getDefaultLineEnding(true,false)
     return new @Promise((resolve, reject) =>
       prettydiff = require("prettydiff")
       _ = require('lodash')

src/languages/javascript.coffee

@@ -28,7 +28,6 @@ module.exports = {
   defaultBeautifier: "JS Beautify"
 
   ###
-
   ###
   options:
     # JavaScript
@@ -111,5 +110,10 @@ module.exports = {
       default: false
       description: "If a terminating comma should be inserted into \
                   arrays, object literals, and destructured objects."
+    end_of_line:
+      type: 'string'
+      default: "System Default"
+      enum: ["CRLF","LF","System Default"]
+      description: "Override EOL from line-ending-selector"
 
 }