From a2f518f5eab9425251db334eeb713d7a6614defa Mon Sep 17 00:00:00 2001
From: Stanislav Romanov <kaermorchen@gmail.com>
Date: Fri, 16 Sep 2022 11:38:35 +0300
Subject: [PATCH] Add nullish coalescing helper

---
 app/helpers/nu-co.js                    |  6 ++++++
 tests/integration/helpers/nu-co-test.js | 17 +++++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 app/helpers/nu-co.js
 create mode 100644 tests/integration/helpers/nu-co-test.js

diff --git a/app/helpers/nu-co.js b/app/helpers/nu-co.js
new file mode 100644
index 0000000..f29d136
--- /dev/null
+++ b/app/helpers/nu-co.js
@@ -0,0 +1,6 @@
+import { helper } from '@ember/component/helper';
+
+// Nullish coalescing operator (??)
+export default helper(function nuCo([arg1, arg2] /*, named*/) {
+  return arg1 ?? arg2;
+});
diff --git a/tests/integration/helpers/nu-co-test.js b/tests/integration/helpers/nu-co-test.js
new file mode 100644
index 0000000..579816b
--- /dev/null
+++ b/tests/integration/helpers/nu-co-test.js
@@ -0,0 +1,17 @@
+import { module, test } from 'qunit';
+import { setupRenderingTest } from 'meiliadmin/tests/helpers';
+import { render } from '@ember/test-helpers';
+import { hbs } from 'ember-cli-htmlbars';
+
+module('Integration | Helper | nu-co', function (hooks) {
+  setupRenderingTest(hooks);
+
+  // TODO: Replace this with your real tests.
+  test('it renders', async function (assert) {
+    this.set('inputValue', '1234');
+
+    await render(hbs`{{nu-co this.inputValue}}`);
+
+    assert.dom(this.element).hasText('1234');
+  });
+});