CLI code refactor (#665)

* CLI refactor

* es6 rollback

* Travis fix

* syntax fix

* clustered require statements

* travis debug

* travis debug

src/CliUtils.js

@@ -1,6 +1,4 @@
-const fs = require('fs')
-
-
+var fs = require('fs')
 
 /*
 * This function checks if the directory exists, if not it creates one on the given path
@@ -16,6 +14,45 @@ function makedir(path,callback){
     });
 };
 
+// Takes an array of steps and checks if they are valid steps for the sequencer.
+function validateSteps(steps, sequencer) {
+  // Assume all are valid in the beginning.
+  var valid = true;
+  steps.forEach(function(step) {
+    // If any step in the array is not valid (not a property of modulesInfo), set valid to false.
+    if (!sequencer.modulesInfo().hasOwnProperty(step)) {
+      valid = false;
+    }
+  });
+
+  // Return valid. (If all of the steps are valid properties, valid will have remained true).
+  return valid;
+}
+
+//Takes config and options object and checks if all the keys exist in config
+function validateConfig(config_, options_) {
+  options_ = Object.keys(options_);
+  if (
+    (function() {
+      for (var input in options_) {
+        if (!config_[options_[input]]) {
+          console.error(
+            "\x1b[31m%s\x1b[0m",
+            `Options Object does not have the required details "${
+            options_[input]
+            }" not specified. Fallback case activated`
+          );
+          return false;
+        }
+      }
+    })() == false
+  )
+    return false;
+  else return true;
+}
+
 module.exports = exports = {
-    makedir: makedir
+    makedir: makedir,
+    validateSteps: validateSteps,
+    validateConfig: validateConfig
 }