Deprecate import Ember from Ember

[kategengler]

Help wanted

Please search your projects for import Ember from 'ember' and comment with what is used.

• Ember.testing (has replacement)

• ENV/EmberENV ... equivalent shape thing from config/environment

• Ember.lookup (what is this?)

• Ember.onError (needs replacement)

• Ember.BOOTED (what is this?)

• Ember.TEMPLATES (must die)

• Ember.onload (has replacement) ... what is runloadHooks?

• Ember.HTMLBars / Ember.Handlebars (must go)

• Ember.Test/Ember.setupForTesting (should be replaced by @ember/test-helpers??)

• Container

• Registry

• _setComponentManager (has replacement on @ember/component)

• _modifierManagerCapabilities (has replacement on @ember/modifier)

• _componentManagerCapabilities

• meta (tagged private but exported on 'ember')

• RSVP

• libraries (may need public replacement)

• ActionHandler (no public API)

• Comparable (used by import compare from @ember/utils)

• EventDispatcher

• Create a snippet to instrument these and find out if they are used in a several large apps

• Ask people to search for import Ember from 'ember' and see where it is used

RFC emberjs/rfcs#1015