mouseMove.js

var EventListener = require('react/lib/EventListener');
var SyntheticMouseEvent = require('react/lib/SyntheticMouseEvent');

var documentListener;
var handlers = [];

const mouseEvent = 'mousemove';

function handle(nativeEvent) {
  var event = SyntheticMouseEvent.getPooled({}, mouseEvent, nativeEvent);
  try {
    dispatchEvent(event, handlers);
  } finally {
    if (!event.isPersistent()) {
      event.constructor.release(event);
    }
  }
}


function dispatchEvent(event, handlers) {
  for (var i = (handlers.length - 1); i >= 0; i--) {
    if (event.isPropagationStopped()) {
      break;
    }
    var returnValue = handlers[i](event);
    if (returnValue === false) {
      event.stopPropagation();
      event.preventDefault();
    }
  }
}

module.exports = {
  enable() {
    if (!documentListener) {
      documentListener = EventListener.listen(document, mouseEvent, handle);
    }

    return module.exports;
  },

  disable() {
    if (documentListener) {
      documentListener.remove();
      documentListener = null;
    }
  },

  on(cb) {
    handlers.push(cb);
  },
  
  off(cb) {
    var index = handlers.indexOf(cb);
    handlers.splice(index, 1);
  },
  
  clear() {
    handlers = [];
  }
};