angular中安装ng-alain 插件

ng-alain官方给的安装如下：

ng new demo --style less

cd demo

ng add ng-alain

ng serve

但是ng add报错。 最终还是按照npm来安装的

λ npm install ng-alain --save

npm WARN [email protected] requires a peer of @angular-devkit/core@^0.6.1 but none is installed. You must install peer dependencies yourself.

npm WARN [email protected] requires a peer of @angular-devkit/schematics@^0.6.1 but none is installed. You must install peer dependencies yourself.

npm WARN [email protected] requires a peer of @schematics/angular@^0.6.1 but none is installed. You must install peer dependencies yourself.

npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\fsevents):

npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})

+ [email protected]

added 1 package in 18.948s