How to sync the dependency of package json in npm

Question

In my case，i use npm install moduleName -save to install a module ,but after npm notice that it is install complete,the package.json will not be add dependencies of the module; Is there any solution to sync from module to dependencies; Thanks at first

Answer 1

你需要npm install moduleName --save （2' - '）

Answer 2

Actually you can use one -s. Here is the quote from the npm documentation:

As of version 2.0.0 you can provide a path to a local directory that contains a package. Local paths can be saved using npm install -S or npm install --save , using any of these forms:

So if you wanted to install lodash you could use:

npm install lodash --save

or:

npm install -S lodash