Function wrapIterator

examples/browser/nodeunit.js:890–910

(iterator)

        }
        callback = callback || function () {};
        var wrapIterator = function (iterator) {
            return function (err) {
                if (err) {
                    callback(err);
                    callback = function () {};
                }
                else {
                    var args = Array.prototype.slice.call(arguments, 1);
                    var next = iterator.next();
                    if (next) {
                        args.push(wrapIterator(next));
                    }
                    else {
                        args.push(callback);
                    }
                    async.nextTick(function () {
                        iterator.apply(null, args);
                    });
                }
            };
        };
        wrapIterator(async.iterator(tasks))();
    };