text: 'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _typeof2 = require('babel-runtime/helpers/typeof');
  
  var _typeof3 = _interopRequireDefault(_typeof2);
  
  exports.buffer = buffer;
  exports.isSamePoint = isSamePoint;
  exports.isWindow = isWindow;
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
  
  function buffer(fn, ms) {
    var timer = void 0;
  
    function clear() {
      if (timer) {
        clearTimeout(timer);
        timer = null;
      }
    }
  
    function bufferFn() {
      clear();
      timer = setTimeout(fn, ms);
    }
  
    bufferFn.clear = clear;
  
    return bufferFn;
  }
  
  function isSamePoint(prev, next) {
    if (prev === next) return true;
    if (!prev || !next) return false;
  
    if ('pageX' in next && 'pageY' in next) {
      return prev.pageX === next.pageX && prev.pageY === next.pageY;
    }
  
    if ('clientX' in next && 'clientY' in next) {
      return prev.clientX === next.clientX && prev.clientY === next.clientY;
    }
  
    return false;
  }
  
  function isWindow(obj) {
    return obj && (typeof obj === 'undefined' ? 'undefined' : (0, _typeof3['default'])(obj)) === 'object' && obj.window === obj;
  }