Addon v2 should always use relative paths for own files

ember-can/src/helpers/can.ts

@@ -1,6 +1,6 @@
 import Helper from '@ember/component/helper';
 import { inject as service } from '@ember/service';
-import type Ability from 'ember-can/services/abilities';
+import type Ability from '../services/abilities.ts';
 
 interface CanSignature {
   Args: {

ember-can/src/helpers/cannot.ts

@@ -1,6 +1,6 @@
 import Helper from '@ember/component/helper';
 import { inject as service } from '@ember/service';
-import type Ability from 'ember-can/services/abilities';
+import type Ability from '../services/abilities.ts';
 
 interface CannotSignature {
   Args: {

ember-can/src/index.ts

@@ -1,3 +1,3 @@
-import Ability from 'ember-can/ability';
+import Ability from './ability.ts';
 
 export { Ability };

ember-can/src/services/abilities.ts

@@ -1,5 +1,5 @@
 import Service from '@ember/service';
-import Ability from 'ember-can/ability';
+import Ability from '../ability.ts';
 import { assert } from '@ember/debug';
 import { getOwner } from '@ember/application';
 import normalizeAbilityString from '../-private/normalize.ts';

ember-can/src/template-registry.ts

@@ -1,5 +1,5 @@
-import CanHelper from 'ember-can/helpers/can';
-import CannotHelper from 'ember-can/helpers/cannot';
+import CanHelper from './helpers/can.ts';
+import CannotHelper from './helpers/cannot.ts';
 
 export default interface Registry {
   can: typeof CanHelper;