Hands-On Full Stack Web Development with Aurelia

Dependencies and devDependencies

You have all your dependencies installed now. You start working and during the development process, you may need some other dependencies to improve your code. You just need to run the NPM CLI to get the new dependency, but this will not be present in your package.json file! It can be very dangerous, because if you don't have the list of libraries or dependencies you need for your project, when you want to run it in a different machine, your code will fail, because the dependency is not installed in that machine.

We can ensure that the new package name will be added to our dependencies' list, adding the –-save or –-save-dev flag. The first will add the package name to the dependencies' section of the package.json ...