fix(require-jsdoc): check above export for named exports; fixes #526

Author: brettz9

README.md

@@ -8053,6 +8053,10 @@ const hello = name => {
 };
 // Options: [{"require":{"ArrowFunctionExpression":true,"FunctionDeclaration":false}}]
 // Message: Missing JSDoc comment.
+
+export const loginSuccessAction = (): BaseActionPayload => ({ type: LOGIN_SUCCESSFUL });
+// Options: [{"require":{"ArrowFunctionExpression":true,"FunctionDeclaration":false}}]
+// Message: Missing JSDoc comment.
 ````
 
 The following patterns are not considered problems:

src/eslint/getJSDocComment.js

@@ -154,7 +154,11 @@ const getReducedASTNode = function (node, sourceCode) {
         }
       }
 
-      if (parent && parent.type !== 'FunctionDeclaration' && parent.type !== 'Program') {
+      if (parent) {
+        if (parent.parent.type === 'ExportNamedDeclaration') {
+          return parent.parent;
+        }
+
         return parent;
       }
     }

test/rules/assertions/requireJsdoc.js

@@ -1384,6 +1384,34 @@ export default {
       };
       `,
     },
+    {
+      code: `
+      export const loginSuccessAction = (): BaseActionPayload => ({ type: LOGIN_SUCCESSFUL });
+      `,
+      errors: [
+        {
+          message: 'Missing JSDoc comment.',
+        },
+      ],
+      options: [
+        {
+          require: {
+            ArrowFunctionExpression: true,
+            FunctionDeclaration: false,
+          },
+        },
+      ],
+      output: `
+      /**
+       *
+       */
+      export const loginSuccessAction = (): BaseActionPayload => ({ type: LOGIN_SUCCESSFUL });
+      `,
+      parser: require.resolve('@typescript-eslint/parser'),
+      parserOptions: {
+        sourceType: 'module',
+      },
+    },
   ],
   valid: [{
     code: `