code: function transformEventAttr(attrs, name, tplOpts, opts, element) {
      let value = attrs[name];
      let eventAttrName = name.replace(EVENT_REGEXP, '');
      let [eventType, ...eventModifiers] = eventAttrName.split('.');
  
      let {logger, file} = tplOpts;
      if (eventModifiers.length) {
          logger.warn(
              `${file.path} template event attribute \`${name}\` modifiers:`,
              `${eventModifiers.join('.')} is not supported in quick app env`
          );
      }
  
      delete attrs[name];
  
      // covert the camel case to kebab-case
      let newName = 'on' + toHyphen(eventType);
  
      // TODO: $event event params is not supported
  
      attrs[newName] = value;
  }
docs: const NATIVE_EVENTS = [ 'click', 'longpress', 'focus', 'blur', 'appear', 'disappear', 'swipe' ]; 
  Transform event attribute information
  
  @param {Object} attrs the element all attributes
  @param {string} name  event bind attribute name
  @param {Object} tplOpts template parse options
  @param {Object} opts the plugin options
  @param {Object} element the element to transform