fix(require-jsdoc): allow TSTypeAliasDeclaration to be detected for export; fixes #1319

brettz9 · brettz9 · commit 909de737f115 · 2024-09-25T18:42:50.000+08:00
diff --git a/docs/rules/require-jsdoc.md b/docs/rules/require-jsdoc.md
@@ -1020,6 +1020,14 @@ export type LoginOptions = CmdOptions<{
 }>;
 // "jsdoc/require-jsdoc": ["error"|"warn", {"publicOnly":{"ancestorsOnly":true},"contexts":["TSTypeAliasDeclaration","TSInterfaceDeclaration","TSMethodSignature","TSPropertySignature"]}]
 // Message: Missing JSDoc comment.
+
+type Props = {
+  variant: string
+}
+
+export type { Props as ComponentProps };
+// "jsdoc/require-jsdoc": ["error"|"warn", {"publicOnly":{"esm":true},"require":{"FunctionDeclaration":true,"FunctionExpression":true,"ArrowFunctionExpression":true,"ClassDeclaration":true,"ClassExpression":true,"MethodDefinition":true},"contexts":["VariableDeclaration","TSTypeAliasDeclaration","TSPropertySignature","TSInterfaceDeclaration","TSMethodSignature","TSEnumDeclaration"],"enableFixer":true}]
+// Message: Missing JSDoc comment.
 ````
 
 
diff --git a/src/exportParser.js b/src/exportParser.js
@@ -14,7 +14,7 @@ const debug = debugModule('requireExportJsdoc');
 /**
  * @typedef {{
  *   type?: string,
- *   value?: ValueObject|import('eslint').Rule.Node,
+ *   value?: ValueObject|import('eslint').Rule.Node|import('@typescript-eslint/types').TSESTree.Node,
  *   props: {
  *     [key: string]: CreatedNode|null,
  *   },
@@ -93,7 +93,7 @@ const getIdentifier = function (node, globals, scope, opts) {
  * @callback CreateSymbol
  * @param {import('eslint').Rule.Node|null} node
  * @param {CreatedNode} globals
- * @param {import('eslint').Rule.Node|null} value
+ * @param {import('eslint').Rule.Node|import('@typescript-eslint/types').TSESTree.Node|null} value
  * @param {CreatedNode} [scope]
  * @param {boolean|SymbolOptions} [isGlobal]
  * @returns {CreatedNode|null}
@@ -112,7 +112,7 @@ let createSymbol; // eslint-disable-line prefer-const
 
 /**
  *
- * @param {import('eslint').Rule.Node} node
+ * @param {import('eslint').Rule.Node|import('@typescript-eslint/types').TSESTree.Node} node
  * @param {CreatedNode} globals
  * @param {CreatedNode} scope
  * @param {SymbolOptions} [opt]
@@ -177,13 +177,10 @@ const getSymbol = function (node, globals, scope, opt) {
     );
   }
 
-  /* c8 ignore next 7 -- No longer needed? */
-  // @ts-expect-error TS OK
+  /* c8 ignore next 4 -- No longer needed? */
   case 'TSTypeAliasDeclaration':
-  // @ts-expect-error TS OK
   // Fallthrough
   case 'TSEnumDeclaration':
-  // @ts-expect-error TS OK
   case 'TSInterfaceDeclaration':
   case 'ClassDeclaration':
   case 'FunctionExpression': case 'FunctionDeclaration':
@@ -473,7 +470,7 @@ const initVariables = function (node, globals, opts) {
 
 /**
  * Populates variable maps using AST
- * @param {import('eslint').Rule.Node} node
+ * @param {import('eslint').Rule.Node|import('@typescript-eslint/types').TSESTree.Node} node
  * @param {CreatedNode} globals
  * @param {import('./rules/requireJsdoc.js').RequireJsdocOpts} opt
  * @param {true} [isExport]
@@ -543,6 +540,7 @@ const mapVariables = function (node, globals, opt, isExport) {
     break;
   }
 
+  case 'TSTypeAliasDeclaration':
   case 'FunctionDeclaration': {
     /* c8 ignore next 10 */
     if (/** @type {import('estree').Identifier} */ (node.id).type === 'Identifier') {
@@ -655,9 +653,9 @@ const mapVariables = function (node, globals, opt, isExport) {
  *
  * @param {import('eslint').Rule.Node} node
  * @param {CreatedNode|ValueObject|string|undefined|
- *   import('eslint').Rule.Node} block
+ *   import('eslint').Rule.Node|import('@typescript-eslint/types').TSESTree.Node} block
  * @param {(CreatedNode|ValueObject|string|
- *   import('eslint').Rule.Node)[]} [cache]
+ *   import('eslint').Rule.Node|import('@typescript-eslint/types').TSESTree.Node)[]} [cache]
  * @returns {boolean}
  */
 const findNode = function (node, block, cache) {
diff --git a/test/rules/assertions/requireJsdoc.js b/test/rules/assertions/requireJsdoc.js
@@ -4196,6 +4196,57 @@ function quux (foo) {
         parser: typescriptEslintParser,
       },
     },
+    {
+      code: `
+        type Props = {
+          variant: string
+        }
+
+        export type { Props as ComponentProps };
+      `,
+      errors: [
+        {
+          line: 2,
+          message: 'Missing JSDoc comment.',
+        },
+      ],
+      languageOptions: {
+        parser: typescriptEslintParser,
+      },
+      options: [
+        {
+          publicOnly: { esm: true },
+          require: {
+            FunctionDeclaration: true,
+            FunctionExpression: true,
+            ArrowFunctionExpression: true,
+            ClassDeclaration: true,
+            ClassExpression: true,
+            MethodDefinition: true,
+          },
+          contexts: [
+            "VariableDeclaration",
+            "TSTypeAliasDeclaration",
+            // Encourage documenting React prop types
+            "TSPropertySignature",
+            "TSInterfaceDeclaration",
+            "TSMethodSignature",
+            "TSEnumDeclaration"
+          ],
+          enableFixer: true,
+        },
+      ],
+      output: `
+        /**
+         *
+         */
+        type Props = {
+          variant: string
+        }
+
+        export type { Props as ComponentProps };
+      `,
+    },
   ],
   valid: [
     {
@@ -6312,6 +6363,6 @@ function quux (foo) {
           }
         }
       ],
-    }
+    },
   ],
 };
