fix(informative-docs): check named export declarations: fixes #1198

Author: brettz9

docs/rules/informative-docs.md

@@ -254,6 +254,15 @@ function takesOne(param) {}
 let emoji;
 // "jsdoc/informative-docs": ["error"|"warn", {"aliases":{"emoji":["smiley","winkey"]}}]
 // Message: This description only repeats the name it describes.
+
+/**
+ * package name from path
+ */
+export function packageNameFromPath(path) {
+  const base = basename(path);
+  return /^vd+(.d+)?$/.exec(base) || /^tsd.d/.exec(base) ? basename(dirname(path)) : base;
+}
+// Message: This description only repeats the name it describes.
 ````
 
 

src/rules/informativeDocs.js

@@ -38,6 +38,12 @@ const getNamesFromNode = (node) => {
         (node.key),
       ),
     ];
+
+  case 'ExportNamedDeclaration':
+    return getNamesFromNode(
+      /** @type {import('@typescript-eslint/types').TSESTree.ExportNamedDeclaration} */
+      (node).declaration
+    );
   case 'ClassDeclaration':
   case 'ClassExpression':
   case 'FunctionDeclaration':

test/rules/assertions/informativeDocs.js

@@ -501,6 +501,23 @@ export default {
         },
       ],
     },
+    {
+      code: `
+        /**
+         * package name from path
+         */
+        export function packageNameFromPath(path) {
+          const base = basename(path);
+          return /^v\d+(\.\d+)?$/.exec(base) || /^ts\d\.\d/.exec(base) ? basename(dirname(path)) : base;
+        }
+      `,
+      errors: [
+        {
+          line: 2,
+          message: 'This description only repeats the name it describes.',
+        },
+      ],
+    }
   ],
   valid: [
     {