iss1757 - Only flag answer changed when it's actually changed!

Author: EJMFarrow

corsscripts/ascii/stackascii.bundle.js

@@ -61,12 +61,15 @@ export default function init(inputIds, operations) {
                     answerIndex++;
                     if (extractor && answerEl) {
                         let value = extractor(raw, blockCollector.blocks, currentop);
+                        const oldValue = answerEl.value;
                         if (value === 'ERROR') {
                             answerEl.value = '';
                         } else {
                             answerEl.value = value;
                         }
-                        answerEl.dispatchEvent(new Event('change'));
+                        if (answerEl.value !== oldValue) {
+                            answerEl.dispatchEvent(new Event('change'));
+                        }
                     }
                 }
             });

corsscripts/ascii/stackascii.bundle.js.map

@@ -198,7 +198,7 @@ describe('stackascii init', () => {
 
         expect(mockFinalfunction).toHaveBeenCalledWith('beta', [], operations[0]);
         expect(env.answers[0].value).toBe('');
-        expect(env.answers[0].dispatchEvent).toHaveBeenCalledTimes(1);
+        expect(env.answers[0].dispatchEvent).not.toHaveBeenCalled();
         expect(env.output.innerHTML).toBe('beta');
     });