decouple/dist/decouple.js

Decouple the DOM events from expensive functions.

(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.decouple = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
'use strict';

var requestAnimFrame = (function() {
  return window.requestAnimationFrame ||
    window.webkitRequestAnimationFrame ||
    function (callback) {
      window.setTimeout(callback, 1000 / 60);
    };
}().bind(window));

function decouple(node, event, fn) {
  var eve,
      tracking = false;

  function captureEvent(e) {
    eve = e;
    track();
  }

  function track() {
    if (!tracking) {
      requestAnimFrame(update);
      tracking = true;
    }
  }

  function update() {
    fn.call(node, eve);
    tracking = false;
  }

  node.addEventListener(event, captureEvent, false);

  return captureEvent;
}

/**
 * Expose decouple
 */
module.exports = decouple;

},{}]},{},[1])(1)
});