refactor: 💡 remove ember-get-config dep from core

addons/core/addon/helpers/app-name.js

@@ -1,6 +1,9 @@
-import { helper } from '@ember/component/helper';
-import config from 'ember-get-config';
+import Helper from '@ember/component/helper';
+import { getOwner } from '@ember/application';
 
-export default helper(function appName() {
-  return config.appName;
-});
+export default class extends Helper {
+  compute() {
+    const config = getOwner(this).resolveRegistration('config:environment');
+    return config.appName;
+  }
+}

addons/core/addon/helpers/company-copyright.js

@@ -1,7 +1,10 @@
-import { helper } from '@ember/component/helper';
-import config from 'ember-get-config';
+import Helper from '@ember/component/helper';
+import { getOwner } from '@ember/application';
 
-export default helper(function companyCopyright() {
-  const currentYear = new Date().getFullYear();
-  return `© ${currentYear} ${config.companyName}`;
-});
+export default class extends Helper {
+  compute() {
+    const config = getOwner(this).resolveRegistration('config:environment');
+    const currentYear = new Date().getFullYear();
+    return `© ${currentYear} ${config.companyName}`;
+  }
+}

addons/core/addon/helpers/company-name.js

@@ -1,6 +1,9 @@
-import { helper } from '@ember/component/helper';
-import config from 'ember-get-config';
+import Helper from '@ember/component/helper';
+import { getOwner } from '@ember/application';
 
-export default helper(function companyName() {
-  return config.companyName;
-});
+export default class extends Helper {
+  compute() {
+    const config = getOwner(this).resolveRegistration('config:environment');
+    return config.companyName;
+  }
+}

addons/core/addon/helpers/doc-url.js

@@ -1,20 +1,23 @@
-import { helper } from '@ember/component/helper';
+import Helper from '@ember/component/helper';
+import { getOwner } from '@ember/application';
 import { assert } from '@ember/debug';
-import config from 'ember-get-config';
 
-export default helper(function docUrl(params /*, hash*/) {
-  const baseURL = config.documentation.baseURL;
-  const docKey = params[0] || '';
-  const configuredPath = config.documentation.topics[docKey];
-  if (docKey) {
-    assert(
-      `
-      Documentation for "${docKey}" could not be found. Please ensure that
-      this key exists under "documentation" in your app config.
-    `,
-      configuredPath
-    );
+export default class extends Helper {
+  compute(params) {
+    const config = getOwner(this).resolveRegistration('config:environment');
+    const baseURL = config.documentation.baseURL;
+    const docKey = params[0] || '';
+    const configuredPath = config.documentation.topics[docKey];
+    if (docKey) {
+      assert(
+        `
+        Documentation for "${docKey}" could not be found. Please ensure that
+        this key exists under "documentation" in your app config.
+      `,
+        configuredPath
+      );
+    }
+    const path = configuredPath || '';
+    return `${baseURL}${path}`;
   }
-  const path = configuredPath || '';
-  return `${baseURL}${path}`;
-});
+}

addons/core/addon/initializers/deprecations.js

@@ -1,9 +1,8 @@
 import { registerDeprecationHandler } from '@ember/debug';
-import config from 'ember-get-config';
 
-const isTesting = config.environment === 'test';
-
-export function initialize(/* application */) {
+export function initialize(application) {
+  const config = application.resolveRegistration('config:environment');
+  const isTesting = config.environment === 'test';
   if (isTesting) {
     // Disable all deprecations for now in tests.
     registerDeprecationHandler((/*message, options, next*/) => {

addons/core/addon/services/confirm.js

@@ -3,7 +3,7 @@ import { filterBy } from '@ember/object/computed';
 import { A } from '@ember/array';
 import { tracked } from '@glimmer/tracking';
 import { defer, resolve } from 'rsvp';
-import config from 'ember-get-config';
+import { getOwner } from '@ember/application';
 
 /**
  * A simple service that emits Confirmation instances and
@@ -17,13 +17,21 @@ import config from 'ember-get-config';
 export default class ConfirmationsService extends Service {
   // =attributes
 
+  #enabled;
+
   /**
    * When the confirm service is disabled, it always returns resolving promises.
    * By default the service is enabled but it is useful to disable it for test
    * purposes.
    * @type {boolean}
    */
-  enabled = config.enableConfirmService ?? true;
+  get enabled() {
+    const config = getOwner(this).resolveRegistration('config:environment');
+    return this.#enabled ?? config.enableConfirmService ?? true;
+  }
+  set enabled(value) {
+    this.#enabled = value;
+  }
 
   /**
    * @type {Array}

addons/core/package.json

@@ -34,7 +34,6 @@
     "ember-cli-babel": "^7.26.6",
     "ember-cli-htmlbars": "^5.7.1",
     "ember-feature-flags": "^6.0.0",
-    "ember-get-config": "^0.3.0",
     "ember-intl": "^5.7.0",
     "ember-loading": "^0.4.0",
     "ember-route-action-helper": "^2.0.8",

addons/core/tests/integration/helpers/doc-url-test.js

@@ -2,13 +2,13 @@ import { module, test } from 'qunit';
 import { setupRenderingTest } from 'ember-qunit';
 import { render } from '@ember/test-helpers';
 import { hbs } from 'ember-cli-htmlbars';
-import config from 'ember-get-config';
 
 module('Integration | Helper | doc-url', function (hooks) {
   setupRenderingTest(hooks);
 
   test('it renders a URL generated from the documentation config', async function (assert) {
     assert.expect(3);
+    const config = this.owner.resolveRegistration('config:environment');
     const baseURL = config.documentation.baseURL;
     const path = config.documentation.topics.account;
     await render(hbs`{{doc-url 'account'}}`);
@@ -19,7 +19,8 @@ module('Integration | Helper | doc-url', function (hooks) {
 
   test('it throws an error if the specified documentation path cannot be found', async function (assert) {
     assert.expect(2);
-    const helper = this.owner.lookup('helper:doc-url');
+    const Helper = this.owner.lookup('helper:doc-url');
+    const helper = new Helper(this.owner);
     assert.ok(helper.compute(['account']), 'Specified document exists.');
     assert.throws(() => {
       helper.compute(['no.such.doc']);