mrr.sj.front/unpackage/dist/dev/mp-weixin/components/tabbar/tabbar.json

{
  "component": true,
  "usingComponents": {
    "uv-tabbar": "/uni_modules/uv-tabbar/components/uv-tabbar/uv-tabbar",
    "uv-tabbar-item": "/uni_modules/uv-tabbar/components/uv-tabbar-item/uv-tabbar-item"
  }
}