Function nextTask

lib/waterfall.js:72–88

(args)

    var taskIndex = 0;

    function nextTask(args) {
        if (taskIndex === tasks.length) {
            return callback.apply(null, [null].concat(args));
        }

        var taskCallback = onlyOnce(rest(function(err, args) {
            if (err) {
                return callback.apply(null, [err].concat(args));
            }
            nextTask(args);
        }));

        args.push(taskCallback);

        var task = wrapAsync(tasks[taskIndex++]);
        task.apply(null, args);
    }

    nextTask([]);
}