frame-batch.js

'use strict';

/**
 * Module Dependencies
 */

var raf = require('../device/raf');

/**
 * Locals
 */

var tasks = [];

/**
 * Exports
 */

exports = module.exports = function(fn) {
  var isFirst = !tasks.length;

  // Wrap the function in a
  // function that schedules
  // the next task in the list, as
  // well as calling the function
  var _fn = function() {
    var next = tasks.shift();
    if (next) raf(next);
    fn();
  };

  // Push it on the stack
  tasks.push(_fn);

  // If this is the
  // first task kick off
  // the chain of rAF calls
  if (isFirst) raf(_fn);
};

// TODO
exports.remove = function(fn) {

};