refactor(Grunt): Moved custom tasks to misc folder

Switch to use grunt underscore and grunt.file
Removed wrench dependency

Gruntfile.coffee

@@ -1,16 +1,9 @@
 server = require "./server"
 path   = require "path"
-fs     = require "fs"
-wrench = require "wrench"
-_      = require "underscore"
-
-# Path variables
-examplePath    = "example/"
-finalBuildPath = "lib/"
-componentFile  = "bower.json"
 
 module.exports = (grunt) ->
   require('matchdep').filterDev('grunt-*').forEach grunt.loadNpmTasks
+  grunt.loadTasks "misc/grunt"
 
   # Internal functions
   spawn = (options, done = ->) ->
@@ -296,80 +289,6 @@ module.exports = (grunt) ->
           ext:     ".html"
         ]
 
-  # Replace templateUrl with actual html
-  grunt.registerMultiTask "replace", "Replace placeholder with contents", ->
-    options = @options
-      separator: ""
-      replace:   ""
-      pattern:   null
-
-    parse = (code) ->
-      templateUrlRegex = options.pattern
-      updatedCode      = code
-
-      while match = templateUrlRegex.exec code
-        if _(options.replace).isFunction()
-          replacement = options.replace match
-        else
-          replacement = options.replace
-
-        updatedCode = updatedCode.replace match[0], replacement
-
-      return updatedCode
-
-    @files.forEach (file) ->
-      src = file.src.filter (filepath) ->
-        unless (exists = grunt.file.exists(filepath))
-          grunt.log.warn "Source file '#{filepath}' not found"
-        return exists
-      .map (filepath) ->
-        parse grunt.file.read(filepath)
-      .join grunt.util.normalizelf(options.separator)
-
-      grunt.file.write file.dest, src
-      grunt.log.writeln("Replace placeholder with contents in '#{file.dest}' successfully")
-
-  grunt.registerMultiTask "marked", "Convert markdown to html", ->
-    options = @options
-      separator: grunt.util.linefeed
-
-    @files.forEach (file) ->
-      src = file.src.filter (filepath) ->
-        unless (exists = grunt.file.exists(filepath))
-          grunt.log.warn "Source file '#{filepath}' not found"
-        return exists
-      .map (filepath) ->
-        marked = require "marked"
-        marked grunt.file.read(filepath)
-      .join grunt.util.normalizelf(options.separator)
-
-      grunt.file.write file.dest, src
-      grunt.log.writeln("Converted '#{file.dest}'")
-
-  # Read all files in build folder and add to component.json
-  grunt.registerTask "update:component", "Update bower.json", ->
-    fileList = wrench.readdirSyncRecursive finalBuildPath
-    done     = @async()
-
-    fs.readFile componentFile, "utf8", (err, data) ->
-      throw err if err?
-
-      fileList = _(fileList).map (file) ->
-        if file.indexOf(".DS_Store") is -1
-          path.join "lib", file
-        else
-          ""
-      fileList = _(fileList).compact()
-
-      newArray = JSON.stringify fileList
-      data     = data.replace /"main": \[[^\]]+]/, "\"main\": #{newArray}"
-      data     = data.replace /"name": [^,]+/ , "\"name\": \"#{grunt.config.get("pkg").name}\""
-      data     = data.replace /"version": [^,]+/, "\"version\": \"#{grunt.config.get("pkg").version}\""
-
-      fs.writeFile componentFile, data, "utf8", (err, data) ->
-        grunt.log.writeln "Updated bower.json"
-        done()
-
   grunt.registerTask "deploy", "Build and copy to lib/", [
       "coffee"
       "stylus"

misc/grunt/tasks.coffee

@@ -0,0 +1,70 @@
+# Path variables
+finalBuildPath = "lib/"
+componentFile  = "bower.json"
+
+module.exports = (grunt) ->
+
+  # Replace templateUrl with actual html
+  grunt.registerMultiTask "replace", "Replace placeholder with contents", ->
+    options = @options
+      separator: ""
+      replace:   ""
+      pattern:   null
+
+    parse = (code) ->
+      templateUrlRegex = options.pattern
+      updatedCode      = code
+
+      while match = templateUrlRegex.exec code
+        if grunt.util._(options.replace).isFunction()
+          replacement = options.replace match
+        else
+          replacement = options.replace
+
+        updatedCode = updatedCode.replace match[0], replacement
+
+      return updatedCode
+
+    @files.forEach (file) ->
+      src = file.src.filter (filepath) ->
+        unless (exists = grunt.file.exists(filepath))
+          grunt.log.warn "Source file '#{filepath}' not found"
+        return exists
+      .map (filepath) ->
+        parse grunt.file.read(filepath)
+      .join grunt.util.normalizelf(options.separator)
+
+      grunt.file.write file.dest, src
+      grunt.log.writeln("Replace placeholder with contents in '#{file.dest}' successfully")
+
+  grunt.registerMultiTask "marked", "Convert markdown to html", ->
+    options = @options
+      separator: grunt.util.linefeed
+
+    @files.forEach (file) ->
+      src = file.src.filter (filepath) ->
+        unless (exists = grunt.file.exists(filepath))
+          grunt.log.warn "Source file '#{filepath}' not found"
+        return exists
+      .map (filepath) ->
+        marked = require "marked"
+        marked grunt.file.read(filepath)
+      .join grunt.util.normalizelf(options.separator)
+
+      grunt.file.write file.dest, src
+      grunt.log.writeln("Converted '#{file.dest}'")
+
+  # Read all files in build folder and add to component.json
+  grunt.registerTask "update:component", "Update bower.json", ->
+    fileList = []
+    grunt.file.recurse finalBuildPath, (path, root, sub, filename) ->
+      fileList.push path if filename.indexOf(".DS_Store") is -1
+
+    data     = grunt.file.read componentFile, encoding: "utf8"
+    newArray = JSON.stringify fileList
+    data     = data.replace /"main": \[[^\]]+]/, "\"main\": #{newArray}"
+    data     = data.replace /"name": [^,]+/ , "\"name\": \"#{grunt.config.get("pkg").name}\""
+    data     = data.replace /"version": [^,]+/, "\"version\": \"#{grunt.config.get("pkg").version}\""
+
+    grunt.file.write componentFile, data, encoding: "utf8"
+    grunt.log.writeln "Updated bower.json"