make sure getIssueField returns some default values

src/middleware/issueDetails.middleware.js

@@ -59,15 +59,15 @@ export const issueErrorMessageHtml = (errorMessage, issue) => {
  * @param {*} classes
  * @returns {{key: {text: string}, value: { html: string}, classes: string}}
  */
-export const getIssueField = (text, html, classes = '') => {
+export const getIssueField = (text = '', html = '', classes = '') => {
   return {
     key: {
-      text
+      text: text ?? ''
     },
     value: {
-      html
+      html: html ?? ''
     },
-    classes
+    classes: classes ?? ''
   }
 }
 

test/unit/middleware/issueDetails.middleware.test.js

@@ -58,6 +58,72 @@ describe('issueDetails.middleware.js', () => {
         classes: ''
       })
     })
+
+    it('should return an object with default values if text is null', () => {
+      const html = '<p>Mock html</p>'
+      const classes = 'mock-classes'
+      const result = getIssueField(null, html, classes)
+      expect(result).toEqual({
+        key: { text: '' },
+        value: { html },
+        classes
+      })
+    })
+
+    it('should return an object with default values if text is undefined', () => {
+      const html = '<p>Mock html</p>'
+      const classes = 'mock-classes'
+      const result = getIssueField(undefined, html, classes)
+      expect(result).toEqual({
+        key: { text: '' },
+        value: { html },
+        classes
+      })
+    })
+
+    it('should return an object with default values if html is null', () => {
+      const text = 'Mock text'
+      const classes = 'mock-classes'
+      const result = getIssueField(text, null, classes)
+      expect(result).toEqual({
+        key: { text },
+        value: { html: '' },
+        classes
+      })
+    })
+
+    it('should return an object with default values if html is undefined', () => {
+      const text = 'Mock text'
+      const classes = 'mock-classes'
+      const result = getIssueField(text, undefined, classes)
+      expect(result).toEqual({
+        key: { text },
+        value: { html: '' },
+        classes
+      })
+    })
+
+    it('should return an object with default values if classes is null', () => {
+      const text = 'Mock text'
+      const html = '<p>Mock html</p>'
+      const result = getIssueField(text, html, null)
+      expect(result).toEqual({
+        key: { text },
+        value: { html },
+        classes: ''
+      })
+    })
+
+    it('should return an object with default values if classes is undefined', () => {
+      const text = 'Mock text'
+      const html = '<p>Mock html</p>'
+      const result = getIssueField(text, html, undefined)
+      expect(result).toEqual({
+        key: { text },
+        value: { html },
+        classes: ''
+      })
+    })
   })
 
   describe('prepareIssueDetailsTemplateParams', () => {