Compile bundled package files in compile task

Any .coffee, .cson, and .less files found in bundled Atom packages
in node_modules are now compiled during the compile task

Gruntfile.coffee

@@ -1,3 +1,4 @@
+fs = require 'fs'
 path = require 'path'
 
 module.exports = (grunt) ->
@@ -8,51 +9,65 @@ module.exports = (grunt) ->
   appDir = path.join(contentsDir, 'Resources', 'app')
   installDir = path.join('/Applications', appName)
 
+  coffeeConfig =
+    options:
+      sourceMap: true
+    glob_to_multiple:
+      expand: true
+      src: [
+        'src/**/*.coffee'
+        'static/**/*.coffee'
+      ]
+      dest: appDir
+      ext: '.js'
+
+  lessConfig =
+    options:
+      paths: [
+        'static'
+        'vendor'
+      ]
+    glob_to_multiple:
+      expand: true
+      src: [
+        'src/**/*.less'
+        'static/**/*.less'
+        'themes/**/*.less'
+      ]
+      dest: appDir
+      ext: '.css'
+
+  csonConfig =
+    options:
+      rootObject: true
+    glob_to_multiple:
+      expand: true
+      src: [
+        'src/**/*.cson'
+        'static/**/*.cson'
+        'themes/**/*.cson'
+      ]
+      dest: appDir
+      ext: '.json'
+
+  for child in fs.readdirSync('node_modules') when child isnt '.bin'
+    directory = path.join('node_modules', child)
+    {engines} = grunt.file.readJSON(path.join(directory, 'package.json'))
+    if engines?.atom?
+      coffeeConfig.glob_to_multiple.src.push("#{directory}/**/*.coffee")
+      lessConfig.glob_to_multiple.src.push("#{directory}/**/*.less")
+      csonConfig.glob_to_multiple.src.push("#{directory}/**/*.cson")
+
   grunt.initConfig
     pkg: grunt.file.readJSON('package.json')
 
     atom: {appDir, appName, buildDir, contentsDir, installDir, shellAppDir}
 
-    coffee:
-      options:
-        sourceMap: true
-      glob_to_multiple:
-        expand: true
-        src: [
-          'src/**/*.coffee'
-          'static/**/*.coffee'
-        ]
-        dest: appDir
-        ext: '.js'
+    coffee: coffeeConfig
 
-    less:
-      options:
-        paths: [
-          'static'
-          'vendor'
-        ]
-      glob_to_multiple:
-        expand: true
-        src: [
-          'src/**/*.less'
-          'static/**/*.less'
-          'themes/**/*.less'
-        ]
-        dest: appDir
-        ext: '.css'
+    less: lessConfig
 
-    cson:
-      options:
-        rootObject: true
-      glob_to_multiple:
-        expand: true
-        src: [
-          'src/**/*.cson'
-          'static/**/*.cson'
-          'themes/**/*.cson'
-        ]
-        dest: appDir
-        ext: '.json'
+    cson: csonConfig
 
     coffeelint:
       options:

tasks/build-task.coffee

@@ -18,22 +18,26 @@ module.exports = (grunt) ->
     cp 'atom.sh', path.join(appDir, 'atom.sh')
     cp 'package.json', path.join(appDir, 'package.json')
 
-    directories = [
+    packageDirectories = []
+    nonPackageDirectories = [
       'benchmark'
       'dot-atom'
       'spec'
       'vendor'
     ]
 
-    {devDependencies, dependencies} = grunt.file.readJSON('package.json')
+    {devDependencies} = grunt.file.readJSON('package.json')
     for child in fs.readdirSync('node_modules')
       directory = path.join('node_modules', child)
       try
-        {name} = grunt.file.readJSON(path.join(directory, 'package.json'))
-        if not devDependencies[name]? or dependencies[name]?
-          directories.push(directory)
+        {name, engines} = grunt.file.readJSON(path.join(directory, 'package.json'))
+        continue if devDependencies[name]?
+        if engines?.atom?
+          packageDirectories.push(directory)
+        else
+          nonPackageDirectories.push(directory)
       catch e
-        directories.push(directory)
+        nonPackageDirectories.push(directory)
 
     ignoredPaths = [
       path.join('git-utils', 'deps')
@@ -43,8 +47,10 @@ module.exports = (grunt) ->
     ]
     ignoredPaths = ignoredPaths.map (ignoredPath) -> "(#{ignoredPath})"
     nodeModulesFilter = new RegExp(ignoredPaths.join('|'))
-    for directory in directories
+    for directory in nonPackageDirectories
       cp directory, path.join(appDir, directory), filter: nodeModulesFilter
+    for directory in packageDirectories
+      cp directory, path.join(appDir, directory), filter: /.+\.(cson|coffee|less)$/
 
     cp 'src', path.join(appDir, 'src'), filter: /.+\.(cson|coffee|less)$/
     cp 'static', path.join(appDir, 'static'), filter: /.+\.less$/