Move formatRelativeDate() to formatText util, add util tests

tests/unit/utils/format-text-test.js

@@ -0,0 +1,66 @@
+import { module, test } from 'qunit';
+import {
+  formatRelativeDate,
+  humanizeOsmTag,
+  capitalize,
+} from 'marco/utils/format-text';
+
+module('Unit | Utility | format-text', function () {
+  test('humanizeOsmTag replaces underscores and dashes with spaces and title-cases', function (assert) {
+    assert.strictEqual(humanizeOsmTag('atm'), 'Atm');
+    assert.strictEqual(humanizeOsmTag('fast_food'), 'Fast Food');
+    assert.strictEqual(humanizeOsmTag('phone-repair'), 'Phone Repair');
+    assert.strictEqual(humanizeOsmTag(''), '');
+    assert.strictEqual(humanizeOsmTag(null), '');
+  });
+
+  test('capitalize uppercases the first letter', function (assert) {
+    assert.strictEqual(capitalize('hello'), 'Hello');
+    assert.strictEqual(capitalize(''), '');
+    assert.strictEqual(capitalize(null), '');
+  });
+
+  test('formatRelativeDate returns empty string for falsy timestamp', function (assert) {
+    assert.strictEqual(formatRelativeDate(null), '');
+    assert.strictEqual(formatRelativeDate(0), '');
+    assert.strictEqual(formatRelativeDate(undefined), '');
+  });
+
+  test('formatRelativeDate returns "just now" for timestamps within the last minute', function (assert) {
+    const now = Math.floor(Date.now() / 1000);
+    assert.strictEqual(formatRelativeDate(now), 'just now');
+    assert.strictEqual(formatRelativeDate(now - 10), 'just now');
+  });
+
+  test('formatRelativeDate returns "min ago" for timestamps within the last hour', function (assert) {
+    const now = Math.floor(Date.now() / 1000);
+    assert.strictEqual(formatRelativeDate(now - 60), '1 min ago');
+    assert.strictEqual(formatRelativeDate(now - 300), '5 min ago');
+    assert.strictEqual(formatRelativeDate(now - 3599), '59 min ago');
+  });
+
+  test('formatRelativeDate returns "hr ago" for timestamps within the last day', function (assert) {
+    const now = Math.floor(Date.now() / 1000);
+    assert.strictEqual(formatRelativeDate(now - 3600), '1 hr ago');
+    assert.strictEqual(formatRelativeDate(now - 7200), '2 hr ago');
+    assert.strictEqual(formatRelativeDate(now - 86399), '23 hr ago');
+  });
+
+  test('formatRelativeDate returns "day(s) ago" for timestamps within the last week', function (assert) {
+    const now = Math.floor(Date.now() / 1000);
+    assert.strictEqual(formatRelativeDate(now - 86400), '1 day ago');
+    assert.strictEqual(formatRelativeDate(now - 86400 * 2), '2 days ago');
+    assert.strictEqual(formatRelativeDate(now - 86400 * 6), '6 days ago');
+  });
+
+  test('formatRelativeDate returns an absolute date for timestamps older than a week', function (assert) {
+    const now = Math.floor(Date.now() / 1000);
+    const oldTimestamp = now - 86400 * 30; // 30 days ago
+    const result = formatRelativeDate(oldTimestamp);
+    // The exact format depends on the locale, but it should contain a year
+    assert.ok(
+      result.includes(String(new Date().getFullYear())),
+      'Contains the year'
+    );
+  });
+});