fix: avoid errors with getReducedASTNode; fixes #528

Author: brettz9

README.md

@@ -1286,6 +1286,11 @@ function quux () {
 
 }
 // Options: [{"baseConfig":{"rules":{"indent":["error"]}},"checkEslintrc":false,"noDefaultExampleRules":false}]
+
+// Comment
+a();
+
+export default {};
 ````
 
 

src/eslint/getJSDocComment.js

@@ -153,9 +153,8 @@ const getReducedASTNode = function (node, sourceCode) {
           break;
         }
       }
-
       if (parent) {
-        if (parent.parent.type === 'ExportNamedDeclaration') {
+        if (parent.parent && parent.parent.type === 'ExportNamedDeclaration') {
           return parent.parent;
         }
 

test/rules/assertions/checkExamples.js

@@ -1008,5 +1008,16 @@ export default {
         noDefaultExampleRules: false,
       }],
     },
+    {
+      code: `
+      // Comment
+      a();
+
+      export default {};
+      `,
+      parserOptions: {
+        sourceType: 'module',
+      },
+    },
   ],
 };