$ npm i angular-spinners --save
npm WARN extract-text-webpack-plugin@2.1.2 requires a peer of webpack@^2.2.0 but none was installed.
npm WARN less-loader@4.0.4 requires a peer of webpack@^2.2.0 but none was installed.
npm ERR! Cannot read property '0' of undefined
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\Saeid\AppData\Roaming\npm-cache\_logs\2017-07-31T14_28_57_747Z-debug.log
Can you please tell me what is my problem?
Here is the command line:
and Here is my package versions: