fix(): check that npm scripts exists before checking for properties.

Author: jthoms1

lib/cli.js

@@ -188,7 +188,7 @@ Cli.runr = function runr(processArgv) {
     log.debug('\nNpm scripts:', npmScripts);
     log.debug('Gulpfile found:', gulpLoaded, '\n');
 
-    if (npmScripts.hasOwnProperty(taskName + ':before') || npmScripts.hasOwnProperty(taskName + ':after')) {
+    if (npmScripts && (npmScripts.hasOwnProperty(taskName + ':before') || npmScripts.hasOwnProperty(taskName + ':after'))) {
       return Cli.runWithNpmScripts(argv, task, rawCliArguments);
     } else if (gulpLoaded) {
       return Cli.runWithGulp(argv, task, rawCliArguments);