lib/http/request.js
function (key) {
            var keys = Array.isArray(key) ? key : arguments;

            for (var i = 0; i < keys.length; i++) {
                if (isEmptyString(keys[i])) return false;
            }

            return true;
        }
function (key) {
            var keys = Array.isArray(key) ? key : arguments;

            for (var i = 0; i < keys.length; i++) {
                if (isEmptyString(keys[i])) return false;
            }

            return true;
        }
function ( key ) { var keys = Array . isArray ( key ) ? key : arguments ; for ( var i = 0 ; i < keys . length ; i ++ ) { if ( isEmptyString ( keys [ i ] ) ) return false ; } return true ; }
Determine if the request contains a non-empty value for an input item.

@param  {String|Array}  key
@return bool
Determine if the request contains a non - empty value for an input item .