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'))){
 returnCli.runWithNpmScripts(argv,task,rawCliArguments);
 }elseif(gulpLoaded){
 returnCli.runWithGulp(argv,task,rawCliArguments);