chore: downgrade to eslint@3 ref https://github.com/airbnb/javascript/issues/1454
chore: downgrade to eslint@3 ref https://github.com/airbnb/javascript/issues/1454

ant-design/ant-design-mobile,ant-design/ant-design-mobile,bccsafe/ant-design-mobile,bccsafe/ant-design-mobile,bccsafe/ant-design-mobile,ant-design/ant-design-mobile,bccsafe/ant-design-mobile,bccsafe/ant-design-mobile,ant-design/ant-design-mobile