Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/javascript/shared/helpers/specs/portalHelper.spec.js

@@ -0,0 +1,28 @@
+import { getMatchingLocale } from 'shared/helpers/portalHelper';
+
+describe('portalHelper - getMatchingLocale', () => {
+  it('returns exact match when present', () => {
+    const result = getMatchingLocale('fr', ['en', 'fr']);
+    expect(result).toBe('fr');
+  });
+
+  it('returns base language match when exact variant not present', () => {
+    const result = getMatchingLocale('fr_CA', ['en', 'fr']);
+    expect(result).toBe('fr');
+  });
+
+  it('returns variant match when base language not present', () => {
+    const result = getMatchingLocale('fr', ['en', 'fr_BE']);
+    expect(result).toBe('fr_BE');
+  });
+
+  it('returns null when no match found', () => {
+    const result = getMatchingLocale('de', ['en', 'fr']);
+    expect(result).toBeNull();
+  });
+
+  it('returns null for invalid inputs', () => {
+    expect(getMatchingLocale('', [])).toBeNull();
+    expect(getMatchingLocale(null, null)).toBeNull();
+  });
+});