fixup elicitation util helpers

Author: nbarbettini

src/shared/elicitation-utils.test.ts

@@ -2,9 +2,9 @@ import { getSupportedElicitationModes } from './elicitation-utils.js';
 
 describe('elicitation-utils', () => {
     describe('getSupportedElicitationModes', () => {
-        it('should default to form mode when capabilities are undefined', () => {
+        it('should support nothing when capabilities are undefined', () => {
             const result = getSupportedElicitationModes(undefined);
-            expect(result.supportsFormMode).toBe(true);
+            expect(result.supportsFormMode).toBe(false);
             expect(result.supportsUrlMode).toBe(false);
         });
 

src/shared/elicitation-utils.ts

@@ -18,6 +18,10 @@ export function getSupportedElicitationModes(capabilities: ClientCapabilities['e
     supportsFormMode: boolean;
     supportsUrlMode: boolean;
 } {
+    if (!capabilities) {
+        return { supportsFormMode: false, supportsUrlMode: false };
+    }
+
     const hasFormCapability = Object.prototype.hasOwnProperty.call(capabilities, 'form');
     const hasUrlCapability = Object.prototype.hasOwnProperty.call(capabilities, 'url');