Closes #169. Add YAML Front Matter support to Markdown beautification

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

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

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

@@ -1,7 +1,23 @@
 ---
-title: This is a title!
+title: "This is a title!"
+name: Derek Worthen
+age: young
+contact: null
+email: "email@domain.com"
+address: some location
+pets:
+  - cat
+  - 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}"
 ---
 
-stuff
+-   item
+-   item
+-   item
+
+1.  one
+2.  two
+3.  three
 
-more stuff

examples/simple-jsbeautifyrc/markdown/original/_yaml-front-matter.md

@@ -1,7 +0,0 @@
----
-title: This is a title!
----
-
-stuff
-
-more stuff

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

@@ -0,0 +1,27 @@
+---
+
+title: This is a title!
+
+name: Derek Worthen
+age: young
+contact:
+email: email@domain.com
+address: some location
+pets:
+- cat
+- dog
+- bat
+match: !!js/regexp /pattern/gim
+run: !!js/function function() { }
+
+
+
+---
+
+- item
+-  item
+-   item
+
+1. one
+2.  two
+2.   three

lib/beautify.coffee

@@ -81,7 +81,8 @@ beautify = ({onSave}) ->
       # Do nothing, is undefined
     else if text instanceof Error
       showError(text)
-    else if oldText isnt text
+    else if typeof text is "string"
+      if oldText isnt text
         # console.log "Replacing current editor's text with new text"
         posArray = getCursors(editor)
         # console.log "posArray: #{posArray}"
@@ -105,6 +106,8 @@ beautify = ({onSave}) ->
           editor.setScrollTop origScrollTop
           return
         ), 0
+    else
+      @showError(new Error("Unsupported beautification result '#{text}'."))
     # else
       # console.log "Already Beautiful!"
     @loadingView.hide()

lib/langs/cli-beautify.coffee

@@ -23,12 +23,19 @@ module.exports = (getCmd, isStdout) ->
                 temp.cleanup()
                 # Delete the output path
                 fs.unlink outputPath, (err) ->
-                  console.log "Deleting output file", err  if err
+                  # console.log "Deleting output file", err if err
                   return
                 return
 
               # Process the command
-              processCmd = (cmd) ->
+              processCmd = (cmd, optCallback) ->
+                if optCallback? and typeof optCallback is "function"
+                  # console.log('Optional Callback found')
+                  cb = callback # Save callback for later
+                  callback = (output) -> # Wrap callback (cb) with optCallback
+                    # console.log('Callback called!', output)
+                    optCallback(output, cb)
+
                 if typeof cmd is "string"
 
                   config = env: process.env

lib/langs/markdown-beautify.coffee

@@ -1,18 +1,68 @@
 ###
 Requires http: //johnmacfarlane.net/pandoc/
 ###
-getCmd = (inputPath, outputPath, options) ->
+yamlFront = null
+fs = null
+yaml = null
+allowUnsafeNewFunction = null
+
+getCmd = (inputPath, outputPath, options, cb) ->
   optionsStr = " --read markdown --write markdown --output \"" + outputPath + "\" \"" + inputPath + "\""
-
   pandocPath = options.markdown_beautifier_path # jshint ignore: line
-  if pandocPath
-
+  yamlFrontMatter = options.yaml_front_matter # jshint ignore: line
+  cmd = ""
+  if pandocPath?
     # Use absolute path
-    pandocPath + optionsStr
+    cmd = pandocPath + optionsStr
   else
-
     # Use command available in $PATH
-    "pandoc" + optionsStr
+    cmd = "pandoc" + optionsStr
+
+  if yamlFrontMatter?
+    # console.log("YAML Front Matter!")
+    fs ?= require "fs"
+    fs.readFile(inputPath, (err, contents) ->
+      # console.log('readFile', err, contents)
+      return cb(err) if err
+
+      # Parse with YAML front Matter
+      yamlFront ?= require "yaml-front-matter"
+      # console.log('Parse YAML Front Matter')
+      allowUnsafeNewFunction ?= require("loophole").allowUnsafeNewFunction
+      results = null
+      try
+        allowUnsafeNewFunction ->
+          results = yamlFront.loadFront(contents)
+      catch e
+        return cb(e)
+      newContents = results.__content # jshint ignore: line
+      delete results.__content # jshint ignore: line
+      # console.log('newContents', newContents)
+      # Write out new contents to input file
+      fs.writeFile(inputPath, newContents, (err) ->
+        # console.log('writeFile', err)
+        return cb(err) if err
+
+        # Completetion callback to combine YAML Front Matter and Markdown
+        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}"
+            # console.log('final output!', output)
+            return callback(output)
+          catch e
+            return callback(e)
+        # Run it all together now!
+        # console.log('Run!')
+        return cb(cmd, completionCallback)
+      )
+    )
+    return # Use Callback
+  else
+    return cmd # Return cmd synchronously
 "use strict"
 cliBeautify = require("./cli-beautify")
 module.exports = cliBeautify(getCmd)

lib/language-options.coffee

@@ -98,6 +98,7 @@ module.exports =
 
     # Markdown
     markdown_pandoc_path: ""
+    markdown_yaml_front_matter: true
 
     # Perl
     perl_perltidy_path: "perltidy"

package.json

@@ -40,6 +40,38 @@
       "url": "https://github.com/vadirn"
     }
   ],
+  "engines": {
+    "atom": ">0.50.0"
+  },
+  "dependencies": {
+    "analytics-node": "^1.0.2",
+    "async": "^0.9.0",
+    "atom-message-panel": "^1.1.1",
+    "coffee-formatter": "^0.1.1",
+    "editorconfig": "^0.11.4",
+    "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",
+    "node-uuid": "^1.4.1",
+    "prettydiff": "^1.6.13",
+    "space-pen": "^4.3.0",
+    "strip-json-comments": "^0.1.3",
+    "temp": "^0.8.0",
+    "typescript-formatter": "~0.1.4",
+    "yaml-front-matter": "^3.2.3"
+  },
+  "activationEvents": [
+    "beautify",
+    "beautify:beautify-editor",
+    "beautify:beautify-file",
+    "beautify:beautify-directory",
+    "core:save",
+    "core:save-as"
+  ],
   "keywords": [
     "atom",
     "beautify",
@@ -78,36 +110,5 @@
     "d",
     "erb",
     "editorconfig"
-  ],
-  "engines": {
-    "atom": ">0.50.0"
-  },
-  "dependencies": {
-    "analytics-node": "^1.0.2",
-    "async": "^0.9.0",
-    "atom-message-panel": "^1.1.1",
-    "coffee-formatter": "^0.1.1",
-    "editorconfig": "^0.11.4",
-    "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",
-    "node-uuid": "^1.4.1",
-    "prettydiff": "^1.6.13",
-    "space-pen": "^4.3.0",
-    "strip-json-comments": "^0.1.3",
-    "temp": "^0.8.0",
-    "typescript-formatter": "~0.1.4"
-  },
-  "activationEvents": [
-    "beautify",
-    "beautify:beautify-editor",
-    "beautify:beautify-file",
-    "beautify:beautify-directory",
-    "core:save",
-    "core:save-as"
   ]
 }