refactor: Rewrite the composable to a helper method

app/javascript/shared/helpers/installationNameHelper.js

@@ -0,0 +1,14 @@
+/**
+ * Replaces occurrences of "Chatwoot" with the provided installation name in a given string.
+ *
+ * @param {string} str - The original string that may contain "Chatwoot".
+ * @param {string} installationName - The name to replace "Chatwoot" with.
+ * @returns {string} The modified string with "Chatwoot" replaced by the installation name,
+ *                   or the original string if either input is falsy.
+ */
+export const useInstallationName = (str, installationName) => {
+  if (str && installationName) {
+    return str.replace(/Chatwoot/g, installationName);
+  }
+  return str;
+};

app/javascript/shared/helpers/specs/installanationNameHelper.spec.js

@@ -0,0 +1,35 @@
+import { useInstallationName } from '../installationNameHelper';
+
+describe('installationNameHelper', () => {
+  it('should return the string with the installation name', () => {
+    const str = 'Chatwoot is awesome';
+    const installationName = 'Acme Inc';
+    expect(useInstallationName(str, installationName)).toBe(
+      'Acme Inc is awesome'
+    );
+  });
+
+  it('should return the string without the installation name', () => {
+    const str = 'Chatwoot is awesome';
+    const installationName = '';
+    expect(useInstallationName(str, installationName)).toBe(
+      'Chatwoot is awesome'
+    );
+  });
+
+  it('should handle null installation name properly', () => {
+    const str = 'Chatwoot is super cool';
+    const installationName = null;
+    expect(useInstallationName(str, installationName)).toBe(
+      'Chatwoot is super cool'
+    );
+  });
+
+  it('should handle undefined installation name properly', () => {
+    const str = 'Chatwoot is super cool';
+    const installationName = undefined;
+    expect(useInstallationName(str, installationName)).toBe(
+      'Chatwoot is super cool'
+    );
+  });
+});