nhz.lib/dist/browser/next-animation-frame.js

NHZ Library

/* browser.NextAnimationFrame(callbacks...) */
var NextAnimationFrame,
  slice = [].slice;

module.exports = NextAnimationFrame = (function() {
  function NextAnimationFrame() {
    var callbacks;
    callbacks = 1 <= arguments.length ? slice.call(arguments, 0) : [];
    if (!(this instanceof NextAnimationFrame)) {
      return (new NextAnimationFrame(callbacks)).start();
    }
    this.callbacks = (callbacks[0] instanceof Array ? callbacks[0] : callbacks);
  }

  NextAnimationFrame.prototype.start = function() {
    requestAnimationFrame((function(_this) {
      return function(elapsed) {
        var callback, i, len, ref, ref1;
        ref = _this.callbacks;
        for (i = 0, len = ref.length; i < len; i++) {
          callback = ref[i];
          if (typeof callback === "function") {
            callback(elapsed);
          }
        }
        return (ref1 = _this.next) != null ? typeof ref1.start === "function" ? ref1.start() : void 0 : void 0;
      };
    })(this));
    return this;
  };

  NextAnimationFrame.prototype.then = function() {
    var callbacks;
    callbacks = 1 <= arguments.length ? slice.call(arguments, 0) : [];
    return this.next = new NextAnimationFrame(callbacks);
  };

  return NextAnimationFrame;

})();