nl_tokens: Returns the buffered output from an asynchronous { @link DirectoryReader } via an error - first callback or a { @link Promise } .
pl_tokens: function readdirAsync ( dir , options , callback , internalOptions ) { if ( typeof <mask> === 'function' ) { callback = options ; options = undefined ; } return maybe ( callback , new Promise ( ( ( resolve , reject ) => { let results = [ ] ; internalOptions . facade = asyncFacade ; let reader = new DirectoryReader ( dir , options , internalOptions ) ; let stream = reader . stream ; stream . on ( 'error' , err => { reject ( err ) ; stream . pause ( ) ; } ) ; stream . on ( 'data' , result => { results . push ( result ) ; } ) ; stream . on ( 'end' , ( ) => { resolve ( results ) ; } ) ; } ) ) ) ; }