@yelon/theme/system/mixins/_router.less

ng-yunzai theme system library.

.router-ant() {
  .router-ant-mixin(@enabled) when(@enabled=true) {
    router-outlet + * {
      display: block;
      // animation-fill-mode: both;
      animation-name: @router-animation-name; // fadeIn;
      animation-duration: @router-animation-duration;
    }
  }
  .router-ant-mixin(@router-animation-enabled);
}