return true\n      }\n    }\n\n    return false\n  }\n\n  _getConfig(config) {\n    const dataAttributes = $(this.element).data()\n\n    Object.keys(dataAttributes)\n      .forEach(dataAttr => {\n        if (DISALLOWED_ATTRIBUTES.indexOf(dataAttr) !== -1) {\n          delete dataAttributes[dataAttr]\n        }\n      })\n\n    config = {\n      ...this.constructor.Default,\n      ...dataAttributes,\n      ...(typeof config === 'object' && config ? config : {})\n    }\n\n    if (typeof config.delay...