feat(require-returns): add publicOnly option; fixes #1137

brettz9 · brettz9 · commit 8dbcb6f31d8e · 2023-09-15T01:51:45.000+08:00
diff --git a/.README/rules/require-returns.md b/.README/rules/require-returns.md
@@ -44,6 +44,7 @@ Will also report if multiple `@returns` tags are present.
     cases).
 - `enableFixer` - Whether to enable the fixer to add a blank `@returns`.
     Defaults to `false`.
+- `publicOnly` - See docs for `require-jsdoc`.
 
 ## Context and settings
 
@@ -53,7 +54,7 @@ Will also report if multiple `@returns` tags are present.
 | Tags     | `returns` |
 | Aliases  | `return` |
 |Recommended|true|
-| Options  |`checkConstructors`, `checkGetters`, `contexts`, `enableFixer`, `exemptedBy`, `forceRequireReturn`, `forceReturnsWithAsync`|
+| Options  |`checkConstructors`, `checkGetters`, `contexts`, `enableFixer`, `exemptedBy`, `forceRequireReturn`, `forceReturnsWithAsync`, `publicOnly`|
 | Settings | `ignoreReplacesDocs`, `overrideReplacesDocs`, `augmentsExtendsReplacesDocs`, `implementsReplacesDocs` |
 
 ## Failing examples
diff --git a/docs/rules/require-returns.md b/docs/rules/require-returns.md
@@ -52,6 +52,7 @@ Will also report if multiple `@returns` tags are present.
     cases).
 - `enableFixer` - Whether to enable the fixer to add a blank `@returns`.
     Defaults to `false`.
+- `publicOnly` - See docs for `require-jsdoc`.
 
 <a name="user-content-require-returns-context-and-settings"></a>
 <a name="require-returns-context-and-settings"></a>
@@ -63,7 +64,7 @@ Will also report if multiple `@returns` tags are present.
 | Tags     | `returns` |
 | Aliases  | `return` |
 |Recommended|true|
-| Options  |`checkConstructors`, `checkGetters`, `contexts`, `enableFixer`, `exemptedBy`, `forceRequireReturn`, `forceReturnsWithAsync`|
+| Options  |`checkConstructors`, `checkGetters`, `contexts`, `enableFixer`, `exemptedBy`, `forceRequireReturn`, `forceReturnsWithAsync`, `publicOnly`|
 | Settings | `ignoreReplacesDocs`, `overrideReplacesDocs`, `augmentsExtendsReplacesDocs`, `implementsReplacesDocs` |
 
 <a name="user-content-require-returns-failing-examples"></a>
@@ -660,6 +661,58 @@ class Test {
 }
 // "jsdoc/require-returns": ["error"|"warn", {"contexts":["FunctionDeclaration",{"context":"TSEmptyBodyFunctionExpression","forceRequireReturn":true}]}]
 // Message: Missing JSDoc @returns declaration.
+
+/**
+ *
+ */
+module.exports = function quux (foo) {
+
+  return foo;
+}
+// "jsdoc/require-returns": ["error"|"warn", {"publicOnly":true}]
+// Message: Missing JSDoc @returns declaration.
+
+/**
+ *
+ */
+const a = function quux (foo) {
+
+  return foo;
+};
+
+export default a;
+// "jsdoc/require-returns": ["error"|"warn", {"publicOnly":true}]
+// Message: Missing JSDoc @returns declaration.
+
+/**
+ *
+ */
+export default function quux (foo) {
+
+  return foo;
+};
+// "jsdoc/require-returns": ["error"|"warn", {"publicOnly":{"ancestorsOnly":true,"esm":true}}]
+// Message: Missing JSDoc @returns declaration.
+
+/**
+ *
+ */
+exports.quux = function quux (foo) {
+
+  return foo;
+};
+// "jsdoc/require-returns": ["error"|"warn", {"publicOnly":{"cjs":true}}]
+// Message: Missing JSDoc @returns declaration.
+
+/**
+ *
+ */
+window.quux = function quux (foo) {
+
+  return foo;
+};
+// "jsdoc/require-returns": ["error"|"warn", {"publicOnly":{"window":true}}]
+// Message: Missing JSDoc @returns declaration.
 ````
 
 
@@ -1199,5 +1252,14 @@ class Test {
   abstract Test(): string;
 }
 // "jsdoc/require-returns": ["error"|"warn", {"contexts":["FunctionDeclaration",{"context":"TSEmptyBodyFunctionExpression","forceRequireReturn":true}]}]
+
+/**
+ *
+ */
+function quux (foo) {
+
+  return foo;
+}
+// "jsdoc/require-returns": ["error"|"warn", {"publicOnly":true}]
 ````
 
diff --git a/src/iterateJsdoc.js b/src/iterateJsdoc.js
@@ -694,7 +694,9 @@ const getUtils = (
   indent,
 ) => {
   const ancestors = /** @type {import('eslint').Rule.Node[]} */ (context.getAncestors());
-  const sourceCode = context.getSourceCode();
+  const {
+    sourceCode,
+  } = context;
 
   const utils = /** @type {Utils} */ (getBasicUtils(context, settings));
 
@@ -2147,7 +2149,9 @@ const iterateAllJsdocs = (iterator, ruleConfig, contexts, additiveCommentContext
    * @returns {void}
    */
   const callIterator = (context, node, jsdocNodes, state, lastCall) => {
-    const sourceCode = context.getSourceCode();
+    const {
+      sourceCode,
+    } = context;
     const {
       lines,
     } = sourceCode;
@@ -2258,7 +2262,9 @@ const iterateAllJsdocs = (iterator, ruleConfig, contexts, additiveCommentContext
   return {
     // @ts-expect-error ESLint accepts
     create (context) {
-      const sourceCode = context.getSourceCode();
+      const {
+        sourceCode,
+      } = context;
       settings = getSettings(context);
       if (!settings) {
         return {};
@@ -2334,7 +2340,9 @@ const iterateAllJsdocs = (iterator, ruleConfig, contexts, additiveCommentContext
 const checkFile = (iterator, ruleConfig) => {
   return {
     create (context) {
-      const sourceCode = context.getSourceCode();
+      const {
+        sourceCode,
+      } = context;
       const settings = getSettings(context);
       if (!settings) {
         return {};
@@ -2451,7 +2459,9 @@ export default function iterateJsdoc (iterator, ruleConfig) {
         }
       }
 
-      const sourceCode = context.getSourceCode();
+      const {
+        sourceCode,
+      } = context;
       const {
         lines,
       } = sourceCode;
diff --git a/src/rules/requireJsdoc.js b/src/rules/requireJsdoc.js
@@ -288,7 +288,9 @@ const getOptions = (context, settings) => {
 /** @type {import('eslint').Rule.RuleModule} */
 export default {
   create (context) {
-    const sourceCode = context.getSourceCode();
+    const {
+      sourceCode,
+    } = context;
     const settings = getSettings(context);
     if (!settings) {
       return {};
diff --git a/src/rules/requireReturns.js b/src/rules/requireReturns.js
@@ -1,3 +1,4 @@
+import exportParser from '../exportParser.js';
 import iterateJsdoc from '../iterateJsdoc.js';
 
 /**
@@ -38,7 +39,9 @@ export default iterateJsdoc(({
   info: {
     comment,
   },
+  node,
   report,
+  settings,
   utils,
   context,
 }) => {
@@ -47,6 +50,7 @@ export default iterateJsdoc(({
     enableFixer = false,
     forceRequireReturn = false,
     forceReturnsWithAsync = false,
+    publicOnly = false,
   } = context.options[0] || {};
 
   // A preflight check. We do not need to run a deep check
@@ -92,6 +96,26 @@ export default iterateJsdoc(({
       return false;
     }
 
+    if (publicOnly) {
+      /** @type {import('./requireJsdoc.js').RequireJsdocOpts} */
+      const opt = {
+        ancestorsOnly: Boolean(publicOnly?.ancestorsOnly ?? false),
+        esm: Boolean(publicOnly?.esm ?? true),
+        initModuleExports: Boolean(publicOnly?.cjs ?? true),
+        initWindow: Boolean(publicOnly?.window ?? false),
+      };
+      const {
+        sourceCode,
+      } = context;
+      const exported = exportParser.isUncommentedExport(
+        /** @type {import('eslint').Rule.Node} */ (node), sourceCode, opt, settings,
+      );
+
+      if (!exported) {
+        return false;
+      }
+    }
+
     if ((forceRequireReturn || forceRequireReturnContext) && (
       iteratingFunction || utils.isVirtualFunction()
     )) {
@@ -177,6 +201,33 @@ export default iterateJsdoc(({
             default: false,
             type: 'boolean',
           },
+          publicOnly: {
+            oneOf: [
+              {
+                default: false,
+                type: 'boolean',
+              },
+              {
+                additionalProperties: false,
+                default: {},
+                properties: {
+                  ancestorsOnly: {
+                    type: 'boolean',
+                  },
+                  cjs: {
+                    type: 'boolean',
+                  },
+                  esm: {
+                    type: 'boolean',
+                  },
+                  window: {
+                    type: 'boolean',
+                  },
+                },
+                type: 'object',
+              },
+            ],
+          },
         },
         type: 'object',
       },
diff --git a/test/rules/assertions/requireReturns.js b/test/rules/assertions/requireReturns.js
