Fixes #169. Remove JS-Yaml and use YAML-Front-Matter, resolving conflict

examples/simple-jsbeautifyrc/markdown/expected/test.md

@@ -1,7 +1,3 @@
----
-{}
----
-
 -   item
 -   item
 -   item

examples/simple-jsbeautifyrc/markdown/expected/yaml-front-matter.md

@@ -10,7 +10,7 @@ pets:
   - dog
   - bat
 match: !<tag:yaml.org,2002:js/regexp> /pattern/gmi
-run: !<tag:yaml.org,2002:js/function> "function () {\n  \n  \n   \n\n\n}"
+run: !<tag:yaml.org,2002:js/function> "function () {\n   \n}"
 ---
 
 -   item

lib/langs/markdown-beautify.coffee

@@ -1,7 +1,6 @@
 ###
 Requires http: //johnmacfarlane.net/pandoc/
 ###
-yamlFront = null
 fs = null
 yaml = null
 allowUnsafeNewFunction = null
@@ -26,13 +25,13 @@ getCmd = (inputPath, outputPath, options, cb) ->
       return cb(err) if err
 
       # Parse with YAML front Matter
-      yamlFront ?= require "yaml-front-matter"
+      yaml ?= require "yaml-front-matter"
       # console.log('Parse YAML Front Matter')
       allowUnsafeNewFunction ?= require("loophole").allowUnsafeNewFunction
       results = null
       try
         allowUnsafeNewFunction ->
-          results = yamlFront.loadFront(contents)
+          results = yaml.loadFront(contents)
       catch e
         return cb(e)
       newContents = results.__content # jshint ignore: line
@@ -47,10 +46,11 @@ getCmd = (inputPath, outputPath, options, cb) ->
         completionCallback = (output, callback) ->
           # console.log('Completion callback!')
           try
-            yaml ?= require "js-yaml"
             # Pre-pend YAML Front Matter to top of Markdown output
             front = yaml.dump(results)
-            output = "---\n#{front}---\n\n#{output}"
+            # Check if there is valid `front` to prepend
+            if front isnt "{}\n"
+              output = "---\n#{front}---\n\n#{output}"
             # console.log('final output!', output)
             return callback(output)
           catch e

lib/options.coffee

@@ -118,7 +118,7 @@ module.exports =
           # console.log "Failed parsing config as JSON: " + configPath
           # Attempt as YAML
           try
-            yaml ?= require("js-yaml")
+            yaml ?= require("yaml-front-matter")
             externalOptions = yaml.safeLoad(contents)
           catch e
             console.log "Failed parsing config as YAML and JSON: " + configPath

package.json

@@ -52,7 +52,6 @@
     "emissary": "^1.0.0",
     "extend": "^1.2.1",
     "js-beautify": "^1.5.4",
-    "js-yaml": "^3.0.2",
     "lodash": "2.4.1",
     "loophole": "^1.0.0",
     "node-dir": "^0.1.6",