nl_tokens: Prompt to install
pl_tokens: function ( ) { prompt . start ( ) ; var prop = { name : 'yesno' , <mask> : 'You do not have any node versions installed that satisfy this project\'s requirements (' . white + expected . yellow + '). Would you like to install the latest compatible version? (y/n)' . white , validator : / y[es]*|n[o]? / , required : true , warning : 'Must respond yes or no' } ; prompt . get ( prop , function ( err , result ) { result = result . yesno . toLowerCase ( ) ; if ( result === 'yes' || result === 'y' ) { nvmInstall ( ) ; } else { grunt [ options . errorLevel ] ( 'Expected node v' + expected + ', but found ' + actual ) ; } } ) ; }