Example

deepdancer has a demo project, you will not see much code here but link to this project.

From scratch

The master branch does not use dependency injection, the deepdancer-darkmagic branch uses deepdancer-darkmagic.

By comparing the two branches you can get the essence of what deepdancer-darkmagic brings to your project. We suggest that you at read first deepdancer example before diving here.

From deepdancer

If you have already understood deepdancer.

The master branch uses deepdancer, the deepdancer-darkmagic branch uses deepdancer-darkmagic.

Quickly check how configuring deepdancer is affected by deepdancer-darkmagic comparing dependencies.js@deepdancer and dependencies.js@deepdancer-darkmagic:

  • deepdancer-darkmagic literraly replaces deepdancer.
  • We need to register dependencies’s alias, this enables us to treat deepdancer-demo/service/user/upsertUser as upsertUser. Note that this is a suitable function parameter name.
  • Similarily, we alias also external dependencies to potential function parameter names, for example fs-promise to fsPromise.

Now this all start to makes sense when we look at one service upsertUser.js@deepdancer-darkmagic (for reference here is upsertUser.js@deepdancer):

  • The __dependencies array is not required anymore.
  • The functions parameters names are used as dependencies name in the container.