Understanding the @types Package Names
You may be wondering why the packages added to your
package.jsonand described in Installation: Other packages this addon installs are named things like
@types/ember__objectinstead of something like
@types/@ember/object. This is a conventional name used to allow both the compiler and the DefinitelyTyped publishing infrastructure (types-publisher) to handle scoped packages, documented under What about scoped packages? in the DefinitelyTyped README.