Added support for Crystal language

examples/nested-jsbeautifyrc/crystal/expected/test.cr

@@ -0,0 +1,49 @@
+# A unicorn is a **legendary animal** (see the `Legendary` module) that has been
+# described since antiquity as a beast with a large, spiraling horn projecting
+# from its forhead.
+#
+# To create a unicorn:
+#
+# ```
+# unicorn = Unicorn.new
+# unicorn.speak
+# ```
+#
+# The above produces:
+#
+# ```text
+# "I'm a unicorn"
+# ```
+#
+# Check the number of horns with `#horns`.
+class Unicorn
+  include Legendary
+
+  # Creates a unicorn with the specified number of *horns*.
+  def initialize(@horns = 1)
+    raise "Not a unicorn" if @horns != 1
+  end
+
+  # Returns the number of horns this unicorn has
+  #
+  # ```
+  # Unicorn.new.horns # => 1
+  # ```
+  def horns
+    @horns
+  end
+
+  # ditto
+  def number_of_horns
+    horns
+  end
+
+  # Makes the unicorn speak to STDOUT
+  def speak
+    puts "I'm a unicorn"
+  end
+
+  # :nodoc:
+  class Helper
+  end
+end

examples/nested-jsbeautifyrc/crystal/original/test.cr

@@ -0,0 +1,49 @@
+# A unicorn is a **legendary animal** (see the `Legendary` module) that has been
+         # described since antiquity as a beast with a large, spiraling horn projecting
+        # from its forhead.
+#
+# To create a unicorn:
+#
+            # ```
+            # unicorn = Unicorn.new
+            # unicorn.speak
+            # ```
+#
+# The above produces:
+#
+     # ```text
+       # "I'm a unicorn"
+# ```
+          #
+# Check the number of horns with `#horns`.
+class Unicorn
+ include Legendary
+
+  # Creates a unicorn with the specified number of *horns*.
+def initialize(@horns = 1)
+raise "Not a unicorn" if @horns != 1
+end
+
+  # Returns the number of horns this unicorn has
+    #
+  # ```
+            # Unicorn.new.horns # => 1
+  # ```
+  def horns
+                @horns
+ end
+
+     # ditto
+  def number_of_horns
+      horns
+  end
+
+# Makes the unicorn speak to STDOUT
+  def speak
+puts "I'm a unicorn"
+  end
+
+  # :nodoc:
+          class Helper
+          end
+end

src/beautifiers/crystal.coffee

@@ -0,0 +1,23 @@
+###
+Requires https://github.com/jaspervdj/stylish-haskell
+###
+
+"use strict"
+Beautifier = require('./beautifier')
+
+module.exports = class Crystal extends Beautifier
+  name: "crystal"
+
+  options: {
+    Crystal: false
+  }
+
+  beautify: (text, language, options) ->
+    @run("crystal", [
+      'tool'
+      'format'
+      tempFile = @tempFile("temp", text)
+      ], {ignoreReturnCode: true})
+      .then(=>
+        @readFile(tempFile)
+      )

src/beautifiers/index.coffee

@@ -38,6 +38,7 @@ module.exports = class Beautifiers extends EventEmitter
     'coffee-formatter'
     'coffee-fmt'
     'clang-format'
+    'crystal'
     'dfmt'
     'elm-format'
     'htmlbeautifier'

src/languages/crystal.coffee

@@ -0,0 +1,22 @@
+module.exports = {
+
+  name: "Crystal"
+  namespace: "crystal"
+
+  ###
+  Supported Grammars
+  ###
+  grammars: [
+    "Crystal"
+  ]
+
+  ###
+  Supported extensions
+  ###
+  extensions: [
+    "cr"
+  ]
+
+  options: []
+
+}

src/languages/index.coffee

@@ -19,6 +19,7 @@ module.exports = class Languages
     "coffeescript"
     "coldfusion"
     "cpp"
+    "crystal"
     "css"
     "csv"
     "d"