add-dom-event-listener/lib/index.js

add dom event listener. normalize ie and others

'use strict';

Object.defineProperty(exports, '__esModule', {
  value: true
});
exports['default'] = addEventListener;

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

var _EventObject = require('./EventObject');

var _EventObject2 = _interopRequireDefault(_EventObject);

function addEventListener(target, eventType, callback, option) {
  function wrapCallback(e) {
    var ne = new _EventObject2['default'](e);
    callback.call(target, ne);
  }

  if (target.addEventListener) {
    var _ret = (function () {
      var useCapture = false;
      if (typeof option === 'object') {
        useCapture = option.capture || false;
      } else if (typeof option === 'boolean') {
        useCapture = option;
      }

      target.addEventListener(eventType, wrapCallback, option || false);

      return {
        v: {
          remove: function remove() {
            target.removeEventListener(eventType, wrapCallback, useCapture);
          }
        }
      };
    })();

    if (typeof _ret === 'object') return _ret.v;
  } else if (target.attachEvent) {
    target.attachEvent('on' + eventType, wrapCallback);
    return {
      remove: function remove() {
        target.detachEvent('on' + eventType, wrapCallback);
      }
    };
  }
}

module.exports = exports['default'];