我正在使用 angular5，在执行 npm start 或 serve 时出现“No mixin named nb-install”错误
Module build failed:
undefined
^
No mixin named nb-install
Backtrace:
stdin:13
in E:\mrb_bugfixes\bottledepot\src\app\@theme\styles\styles.scss (line 13, column 10)
以下是我正在执行的名为“styles.scss”的文件
@import 'themes';
// framework component themes (styles tied to theme variables)
@import '~@nebular/theme/styles/globals';
@import '~@nebular/auth/styles/all';
// loading progress bar theme
@import './pace.theme.scss';
// install the framework and custom global styles
@include nb-install() {
// framework global styles
@include nb-theme-global();
@include nb-auth-global();
// loading progress bar
@include ngx-pace-theme();
.custom-control .custom-control-indicator {
border-radius: 50%; // TODO: quickfix for
https://github.com/akveo/nebular/issues/275
}
};