Add task to log loop returns

build/tasks/output-for-loop-returns.coffee

@@ -0,0 +1,22 @@
+path = require 'path'
+
+module.exports = (grunt) ->
+  grunt.registerTask 'output-for-loop-returns', 'Log methods that end with a for loop', ->
+    appDir = grunt.config.get('atom.appDir')
+
+    jsPaths = []
+    grunt.file.recurse path.join(appDir, 'src'), (absolutePath, rootPath, relativePath, fileName) ->
+      jsPaths.push(absolutePath) if path.extname(fileName) is '.js'
+
+    jsPaths.forEach (jsPath) ->
+      js = grunt.file.read(jsPath)
+      method = null
+      for line, index in js.split('\n')
+        [match, className, methodName] = /^\s*([a-zA-Z]+)\.prototype\.([a-zA-Z]+)\s*=\s*function\(/.exec(line) ? []
+        if className and methodName
+          method = "#{className}::#{methodName}"
+        else
+          [match, ctorName] = /^\s*function\s+([a-zA-Z]+)\(/.exec(line) ? []
+
+        if /^\s*return\s+_results;\s*$/.test(line)
+          console.log(method ? "#{path.basename(jsPath)}:#{index}")