nl_tokens: Returns the first n elements of an object . If the object is an array and only one items is retrieved that item will be returned rather than an array .
pl_tokens: function first ( o , n ) { var gotN = ( n === 0 ? true : ! ! n ) , v ; n = parseInt ( n , 10 ) ; n = isNaN ( n ) || ! isFinite ( n ) ? 1 : n ; if ( typeof o === 'boolean' ) { return o ; } else if ( typeof o !== 'object' ) { if ( n !== 0 ) v = o . toString ( ) . slice ( 0 , n ) ; else return undefined ; } else if ( o instanceof Array ) { if ( n === 1 && ! gotN ) return o [ 0 ] ; if ( n === 0 && ! gotN ) return undefined ; return n !== 0 ? o . slice ( 0 , n ) : [ ] ; } else { v = { } ; libs . object . each ( o , 0 , n - 1 , function ( item , key ) { v [ <mask> ] = item ; } ) ; var keys = getKeys ( v ) ; if ( n === 1 && ! gotN && keys . length === 0 ) return undefined ; return keys . length === 1 && ! gotN ? v [ keys [ 0 ] ] : v ; } return v . length === 1 && ! gotN ? v [ 0 ] : v ; }