Golang template support.

README.md

@@ -82,6 +82,7 @@ See [all supported options in the documentation at  `docs/options.md`](docs/opti
 | gherkin | `Gherkin` |`.feature` | [`Gherkin formatter`](https://github.com/Glavin001/atom-beautify/blob/master/src/beautifiers/gherkin.coffee) (Default) |
 | GLSL | `C`, `opencl`, `GLSL` |`.vert`, `.frag` | [`clang-format`](https://clang.llvm.org/docs/ClangFormat.html) (Default) |
 | Go | `Go` |`.go` | [`gofmt`](https://golang.org/cmd/gofmt/) (Default) |
+| Golang Template | `HTML (Go)`, `Go Template` |`.gohtml` | [`Pretty Diff`](https://github.com/prettydiff/prettydiff) (Default) |
 | Handlebars | `Handlebars`, `HTML (Handlebars)` |`.hbs`, `.handlebars` | [`JS Beautify`](https://github.com/beautify-web/js-beautify) (Default), [`Pretty Diff`](https://github.com/prettydiff/prettydiff) |
 | Haskell | `Haskell` |`.hs` | [`stylish-haskell`](https://github.com/jaspervdj/stylish-haskell) (Default) |
 | HTML | `HTML` |`.html` | [`JS Beautify`](https://github.com/beautify-web/js-beautify) (Default), [`Pretty Diff`](https://github.com/prettydiff/prettydiff) |

src/beautifiers/prettydiff.coffee

@@ -66,6 +66,7 @@ module.exports = class PrettyDiff extends Beautifier
     Visualforce: true
     "Riot.js": true
     XTemplate: true
+    "Golang Template": true
   }
 
   beautify: (text, language, options) ->
@@ -109,6 +110,8 @@ module.exports = class PrettyDiff extends Beautifier
           lang = "scss"
         when "TSS"
           lang = "tss"
+        when "Golang Template"
+          lang = "gohtml"
         else
           lang = "auto"
 

src/languages/gohtml.coffee

@@ -0,0 +1,26 @@
+module.exports = {
+
+  name: "Golang Template"
+  description: "Comma-Separated Values"
+  namespace: "gohtml"
+
+  ###
+  Supported Grammars
+  ###
+  grammars: [
+    "HTML (Go)",
+    "Go Template"
+  ]
+
+  ###
+  Supported extensions
+  ###
+  extensions: [
+    'gohtml'
+  ]
+
+  defaultBeautifier: "Pretty Diff"
+
+  options: []
+
+}

src/languages/index.coffee

@@ -32,6 +32,7 @@ module.exports = class Languages
     "gherkin"
     "glsl"
     "go"
+    "gohtml"
     "fortran"
     "handlebars"
     "haskell"