requires a peer of @angular/[email protected] but none is installed

[Midhilaj]

after npm install --save ng2-datetime it showing this error , How to solve?
npm WARN [email protected] requires a peer of @angular/[email protected] but none is installed. You must install peer dependencies yourself.
npm WARN [email protected] requires a peer of @angular/[email protected] but none is installed. You must install peer dependencies yourself.
npm WARN [email protected] requires a peer of @angular/[email protected] 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":"linux","arch":"x64"})