fix: allow Program for isGetter/isSetter checks; fixes gajus#832

Author: brettz9

src/jsdocUtils.js

@@ -1298,11 +1298,11 @@ const isConstructor = (node) => {
 };
 
 const isGetter = (node) => {
-  return node && node.parent.kind === 'get';
+  return node && node.parent?.kind === 'get';
 };
 
 const isSetter = (node) => {
-  return node && node.parent.kind === 'set';
+  return node && node.parent?.kind === 'set';
 };
 
 const hasAccessorPair = (node) => {

test/rules/assertions/requireReturns.js

@@ -2472,5 +2472,26 @@ export default {
         ecmaVersion: 8,
       },
     },
+    {
+      code: `
+      /** Enumerates possible genders for a product's target demographic. */
+      enum Gender {
+        Unisex,
+        Mens,
+        Women
+      }
+
+      export default Gender;
+      `,
+      ignoreReadme: true,
+      options: [
+        {
+          contexts: [
+            ':not(:matches(VariableDeclarator))',
+          ],
+        },
+      ],
+      parser: require.resolve('@typescript-eslint/parser'),
+    },
   ],
 };