Closes #176. Add gofmt beautifier for Golang language

.travis.yml

@@ -39,6 +39,8 @@ before_install:
   - brew install pandoc
   # Java, C, C++, C#, Objective-C, D, Pawn, Vala
   - brew install uncrustify
+  # Golang
+  - brew install go
   # PHP
   # - brew tap homebrew/homebrew-php
   # - brew gist-logs php56

README.md

@@ -44,6 +44,7 @@ Or Settings/Preferences ➔ Packages ➔ Search for `atom-beautify`
 - [x] [Ruby](https://github.com/donaldpipowitch/atom-beautify/issues/25)
   - Requires [Ruby Beautify](https://github.com/erniebrodeur/ruby-beautify)
 - [x] [CoffeeScript](https://github.com/donaldpipowitch/atom-beautify/issues/31)
+- [x] [Golang](https://github.com/Glavin001/atom-beautify/issues/176)
 - [x] [Java](https://github.com/Glavin001/atom-beautify/issues/45)
   - Requires [Uncrustify](http://sourceforge.net/projects/uncrustify/)
 - [x] [C](https://github.com/Glavin001/atom-beautify/issues/57)

examples/simple-jsbeautifyrc/go/expected/test.go

@@ -0,0 +1,9 @@
+package main
+
+import "fmt"
+
+func main() {
+	// Why so much white space?
+
+	fmt.Println("This is a poorly formatted file!")
+}

examples/simple-jsbeautifyrc/go/original/test.go

@@ -0,0 +1,10 @@
+package main
+
+import "fmt"
+
+func main()                       {
+	// Why so much white space?
+
+
+	fmt.Println(  "This is a poorly formatted file!"   )
+}

package.json

@@ -129,6 +129,8 @@
     "yaml",
     "front matter",
     "jekyll",
-    "marko"
+    "marko",
+    "go",
+    "golang"
   ]
 }

spec/beautify-languages-spec.coffee

@@ -20,7 +20,8 @@ describe "BeautifyLanguages", ->
     "java", "javascript", "json", "less",
     "mustache", "objective-c", "perl", "php",
     "python", "ruby", "sass", "sql",
-    "typescript", "xml", "csharp", "gfm", "marko", "tss"
+    "typescript", "xml", "csharp", "gfm", "marko",
+    "tss", "go"
     ]
 
   beforeEach ->

src/beautifiers/gofmt.coffee

@@ -0,0 +1,18 @@
+###
+Requires http://golang.org/cmd/gofmt/
+###
+
+"use strict"
+Beautifier = require('./beautifier')
+
+module.exports = class gofmt extends Beautifier
+    name: "gofmt"
+
+    options: {
+        Go: true
+    }
+
+    beautify: (text, language, options) ->
+        @run("gofmt", [
+            @tempFile("input", text)
+            ])

src/beautifiers/index.coffee

@@ -36,6 +36,7 @@ module.exports = class Beautifiers
         'coffee-formatter'
         'htmlbeautifier'
         'csscomb'
+        'gofmt'
         'js-beautify'
         'perltidy'
         'php-cs-fixer'
@@ -332,12 +333,12 @@ module.exports = class Beautifiers
                 userId: atom.config.get("atom-beautify._analyticsUserId")
                 event: "Beautify"
                 properties:
-                  language: language.name
+                  language: language?.name
                   grammar: grammar
                   extension: fileExtension
                   version: version
                   options: allOptions
-                  label: language.name
+                  label: language?.name
                   category: version
             #
             if unsupportedGrammar

src/languages/go.coffee

@@ -0,0 +1,23 @@
+module.exports = {
+
+    name: "Go"
+    description: "Golang"
+    namespace: "go"
+
+    ###
+    Supported Grammars
+    ###
+    grammars: [
+        "Go"
+    ]
+
+    ###
+    Supported extensions
+    ###
+    extensions: [
+        "go"
+    ]
+
+    options: []
+    
+}

src/languages/index.coffee

@@ -28,6 +28,7 @@ module.exports = class Languages
     "d"
     "ejs"
     "erb"
+    "go"
     "handlebars"
     "html"
     "java"