typescript-eslint · JoshuaKGoldberg · Jan 7, 2024 · Dec 27, 2023 · Dec 27, 2023 · Dec 29, 2023
diff --git a/.eslintrc.js b/.eslintrc.js
@@ -10,6 +10,7 @@ module.exports = {
     'eslint-plugin',
     'import',
     'jest',
+    'jsdoc',
     'simple-import-sort',
     'unicorn',
   ],
@@ -20,6 +21,7 @@ module.exports = {
   extends: [
     'eslint:recommended',
     'plugin:eslint-plugin/recommended',
+    'plugin:jsdoc/recommended-typescript-error',
     'plugin:@typescript-eslint/strict-type-checked',
     'plugin:@typescript-eslint/stylistic-type-checked',
   ],
@@ -141,6 +143,7 @@ module.exports = {
       'error',
       { commentPattern: '.*intentional fallthrough.*' },
     ],
+    'one-var': ['error', 'never'],
 
     //
     // eslint-plugin-eslint-comment
@@ -216,7 +219,24 @@ module.exports = {
     // enforce a sort order across the codebase
     'simple-import-sort/imports': 'error',
 
-    'one-var': ['error', 'never'],
+    //
+    // eslint-plugin-jsdoc
+    //
+
+    // We often use @remarks or other ad-hoc tag names
+    'jsdoc/check-tag-names': 'off',
+    // https://github.com/gajus/eslint-plugin-jsdoc/issues/1169
+    'jsdoc/check-param-names': 'off',
+    // https://github.com/gajus/eslint-plugin-jsdoc/issues/1175
+    'jsdoc/require-jsdoc': 'off',
+    'jsdoc/require-param': 'off',
+    'jsdoc/require-returns': 'off',
+    'jsdoc/require-yields': 'off',
+    'jsdoc/tag-lines': 'off',
+
+    //
+    // eslint-plugin-unicorn
+    //
 
     'unicorn/no-typeof-undefined': 'error',
   },

diff --git a/package.json b/package.json
@@ -88,6 +88,7 @@
     "eslint-plugin-eslint-plugin": "^5.1.0",
     "eslint-plugin-import": "^2.27.5",
     "eslint-plugin-jest": "^27.2.2",
+    "eslint-plugin-jsdoc": "^46.9.1",
     "eslint-plugin-jsx-a11y": "^6.7.1",
     "eslint-plugin-react": "^7.32.2",
     "eslint-plugin-react-hooks": "^4.6.0",

diff --git a/packages/ast-spec/tests/util/parsers/typescript-estree-import.ts b/packages/ast-spec/tests/util/parsers/typescript-estree-import.ts
@@ -1,17 +1,15 @@
-/**
- * Nx is picking up on the fact that we technically have a circular dependency between ast-spec
- * and typescript-estree.
- *
- * This circular dependency only occurs in the tests/ for ast-spec and not in the main package source.
- *
- * We could therefore solve this by separating the ast-spec tests out into their own package, but the
- * other option is to get Nx to turn a blind eye to the circular dependency by removing
- * @typescript-eslint/typescript-estree as an explicit devDependency in the package.json and just doing an import here.
- *
- * This file is ignored via a root `.nxignore`
- *
- * This should be the only place in the package that we import from typescript-estree.
- */
+// Nx is picking up on the fact that we technically have a circular dependency between ast-spec
+// and typescript-estree.
+//
+// This circular dependency only occurs in the tests/ for ast-spec and not in the main package source.
+//
+// We could therefore solve this by separating the ast-spec tests out into their own package, but the
+// other option is to get Nx to turn a blind eye to the circular dependency by removing
+// @typescript-eslint/typescript-estree as an explicit devDependency in the package.json and just doing an import here.
+//
+// This file is ignored via a root `.nxignore`
+//
+// This should be the only place in the package that we import from typescript-estree.
 
 // eslint-disable-next-line no-restricted-imports -- the only safe and valid import from typescript-estree in this package
 export { parse, TSError } from '@typescript-eslint/typescript-estree';
diff --git a/packages/eslint-plugin/src/rules/adjacent-overload-signatures.ts b/packages/eslint-plugin/src/rules/adjacent-overload-signatures.ts
@@ -129,7 +129,7 @@ export default createRule({
 
     /**
      * Check the body for overload methods.
-     * @param {ASTNode} node the body to be inspected.
+     * @param node the body to be inspected.
      */
     function checkBodyForOverloadMethods(node: RuleNode): void {
       const members = getMembers(node);

diff --git a/packages/eslint-plugin/src/rules/consistent-type-imports.ts b/packages/eslint-plugin/src/rules/consistent-type-imports.ts
@@ -277,7 +277,8 @@ export default createRule<Options, MessageIds>({
                     report.unusedSpecifiers.length === 0 &&
                     report.node.importKind !== 'type'
                   ) {
-                    /** checks if import has type assertions
+                    /**
+                     * checks if import has type assertions
                      * ```
                      * import * as type from 'mod' assert { type: 'json' };
                      * ```

diff --git a/packages/eslint-plugin/src/rules/func-call-spacing.ts b/packages/eslint-plugin/src/rules/func-call-spacing.ts
@@ -82,8 +82,7 @@ export default createRule<Options, MessageIds>({
 
     /**
      * Check if open space is present in a function name
-     * @param {ASTNode} node node to evaluate
-     * @returns {void}
+     * @param node node to evaluate
      * @private
      */
     function checkSpacing(

diff --git a/packages/eslint-plugin/src/rules/member-delimiter-style.ts b/packages/eslint-plugin/src/rules/member-delimiter-style.ts
@@ -314,7 +314,7 @@ export default createRule<Options, MessageIds>({
 
     /**
      * Check the member separator being used matches the delimiter.
-     * @param {ASTNode} node the node to be evaluated.
+     * @param node the node to be evaluated.
      */
     function checkMemberSeparatorStyle(
       node: TSESTree.TSInterfaceBody | TSESTree.TSTypeLiteral,

diff --git a/packages/eslint-plugin/src/rules/member-ordering.ts b/packages/eslint-plugin/src/rules/member-ordering.ts
@@ -438,7 +438,6 @@ function getMemberRawName(
  * Gets the member name based on the member type.
  *
  * @param node the node to be evaluated.
- * @param sourceCode
  */
 function getMemberName(
   node: Member,
@@ -801,7 +800,7 @@ export default createRule<Options, MessageIds>({
      * Checks if the members are alphabetically sorted.
      *
      * @param members Members to be validated.
-     * @param caseSensitive indicates if the alpha ordering is case sensitive or not.
+     * @param order What order the members should be sorted in.
      *
      * @return True if all members are correctly sorted.
      */

diff --git a/packages/eslint-plugin/src/rules/no-loop-func.ts b/packages/eslint-plugin/src/rules/no-loop-func.ts
@@ -35,7 +35,6 @@ export default createRule<Options, MessageIds>({
      * - has any references which refers to an unsafe variable.
      *
      * @param node The AST node to check.
-     * @returns Whether or not the node is within a loop.
      */
     function checkForLoops(
       node:

diff --git a/packages/eslint-plugin/src/rules/no-shadow.ts b/packages/eslint-plugin/src/rules/no-shadow.ts
@@ -545,7 +545,7 @@ export default createRule<Options, MessageIds>({
 
     /**
      * Checks the current context for shadowed variables.
-     * @param {Scope} scope Fixme
+     * @param scope Fixme
      */
     function checkForShadows(scope: TSESLint.Scope.Scope): void {
       // ignore global augmentation

diff --git a/packages/eslint-plugin/src/rules/no-unnecessary-condition.ts b/packages/eslint-plugin/src/rules/no-unnecessary-condition.ts
@@ -310,8 +310,8 @@ export default createRule<Options, MessageId>({
      * NOTE: It's also unnecessary if the types that don't overlap at all
      *    but that case is handled by the Typescript compiler itself.
      *    Known exceptions:
-     *      * https://github.com/microsoft/TypeScript/issues/32627
-     *      * https://github.com/microsoft/TypeScript/issues/37160 (handled)
+     *      - https://github.com/microsoft/TypeScript/issues/32627
+     *      - https://github.com/microsoft/TypeScript/issues/37160 (handled)
      */
     const BOOL_OPERATORS = new Set([
       '<',

diff --git a/packages/eslint-plugin/src/rules/no-unused-vars.ts b/packages/eslint-plugin/src/rules/no-unused-vars.ts
@@ -159,8 +159,8 @@ export default createRule<Options, MessageIds>({
     function collectUnusedVariables(): TSESLint.Scope.Variable[] {
       /**
        * Checks whether a node is a sibling of the rest property or not.
-       * @param {ASTNode} node a node to check
-       * @returns {boolean} True if the node is a sibling of the rest property, otherwise false.
+       * @param node a node to check
+       * @returns True if the node is a sibling of the rest property, otherwise false.
        */
       function hasRestSibling(node: TSESTree.Node): boolean {
         return (

diff --git a/packages/eslint-plugin/src/rules/padding-line-between-statements.ts b/packages/eslint-plugin/src/rules/padding-line-between-statements.ts
@@ -182,8 +182,8 @@ function isCJSRequire(node: TSESTree.Node): boolean {
 /**
  * Checks whether the given node is a block-like statement.
  * This checks the last token of the node is the closing brace of a block.
- * @param sourceCode The source code to get tokens.
  * @param node The node to check.
+ * @param sourceCode The source code to get tokens.
  * @returns `true` if the node is a block-like statement.
  * @private
  */
@@ -323,8 +323,8 @@ function isExpression(
  *
  *     foo()
  *     ;[1, 2, 3].forEach(bar)
- * @param sourceCode The source code to get tokens.
  * @param node The node to get.
+ * @param sourceCode The source code to get tokens.
  * @returns The actual last token.
  * @private
  */

diff --git a/packages/eslint-plugin/src/rules/prefer-function-type.ts b/packages/eslint-plugin/src/rules/prefer-function-type.ts
@@ -70,7 +70,6 @@ export default createRule({
     /**
      * @param member The TypeElement being checked
      * @param node The parent of member being checked
-     * @param tsThisTypes
      */
     function checkMember(
       member: TSESTree.TypeElement,

diff --git a/packages/eslint-plugin/src/rules/prefer-regexp-exec.ts b/packages/eslint-plugin/src/rules/prefer-regexp-exec.ts
@@ -46,15 +46,15 @@ export default createRule({
 
     /**
      * Check if a given node type is a string.
-     * @param node The node type to check.
+     * @param type The node type to check.
      */
     function isStringType(type: ts.Type): boolean {
       return getTypeName(checker, type) === 'string';
     }
 
     /**
      * Check if a given node type is a RegExp.
-     * @param node The node type to check.
+     * @param type The node type to check.
      */
     function isRegExpType(type: ts.Type): boolean {
       return getTypeName(checker, type) === 'RegExp';

diff --git a/packages/eslint-plugin/src/rules/prefer-string-starts-ends-with.ts b/packages/eslint-plugin/src/rules/prefer-string-starts-ends-with.ts
@@ -78,7 +78,6 @@ export default createRule({
     /**
      * Check if a given node is a `Literal` node that is a character.
      * @param node The node to check.
-     * @param kind The method name to get a character.
      */
     function isCharacter(node: TSESTree.Node): node is TSESTree.Literal {
       const evaluated = getStaticValue(node, globalScope);

diff --git a/packages/eslint-plugin/src/rules/require-array-sort-compare.ts b/packages/eslint-plugin/src/rules/require-array-sort-compare.ts
@@ -54,7 +54,6 @@ export default createRule<Options, MessageIds>({
 
     /**
      * Check if a given node is an array which all elements are string.
-     * @param node
      */
     function isStringArrayNode(node: TSESTree.Expression): boolean {
       const type = services.getTypeAtLocation(node);

diff --git a/packages/eslint-plugin/src/rules/space-before-function-paren.ts b/packages/eslint-plugin/src/rules/space-before-function-paren.ts
@@ -70,8 +70,8 @@ export default createRule<Options, MessageIds>({
 
     /**
      * Determines whether a function has a name.
-     * @param {ASTNode} node The function node.
-     * @returns {boolean} Whether the function has a name.
+     * @param node The function node.
+     * @returns Whether the function has a name.
      */
     function isNamedFunction(
       node:
@@ -97,8 +97,7 @@ export default createRule<Options, MessageIds>({
 
     /**
      * Gets the config for a given function
-     * @param {ASTNode} node The function node
-     * @returns {string} "always", "never", or "ignore"
+     * @param node The function node
      */
     function getConfigForFunction(
       node:
@@ -129,8 +128,7 @@ export default createRule<Options, MessageIds>({
 
     /**
      * Checks the parens of a function node
-     * @param {ASTNode} node A function node
-     * @returns {void}
+     * @param node A function node
      */
     function checkFunction(
       node:

diff --git a/packages/eslint-plugin/src/util/astUtils.ts b/packages/eslint-plugin/src/util/astUtils.ts
@@ -11,10 +11,10 @@ export * from '@typescript-eslint/utils/ast-utils';
 // Could be export { getNameLocationInGlobalDirectiveComment } from 'eslint/lib/rules/utils/ast-utils'
 /**
  * Get the `loc` object of a given name in a `/*globals` directive comment.
- * @param {SourceCode} sourceCode The source code to convert index to loc.
- * @param {Comment} comment The `/*globals` directive comment which include the name.
- * @param {string} name The name to find.
- * @returns {SourceLocation} The `loc` object.
+ * @param sourceCode The source code to convert index to loc.
+ * @param comment The `/*globals` directive comment which include the name.
+ * @param name The name to find.
+ * @returns The `loc` object.
  */
 export function getNameLocationInGlobalDirectiveComment(
   sourceCode: TSESLint.SourceCode,

diff --git a/packages/eslint-plugin/src/util/collectUnusedVariables.ts b/packages/eslint-plugin/src/util/collectUnusedVariables.ts
@@ -397,7 +397,6 @@ const MERGABLE_TYPES = new Set([
 /**
  * Determine if the variable is directly exported
  * @param variable the variable to check
- * @param target the type of node that is expected to be exported
  */
 function isMergableExported(variable: TSESLint.Scope.Variable): boolean {
   // If all of the merged things are of the same type, TS will error if not all of them are exported - so we only need to find one

diff --git a/packages/eslint-plugin/tests/rules/no-unnecessary-condition.test.ts b/packages/eslint-plugin/tests/rules/no-unnecessary-condition.test.ts
@@ -254,9 +254,7 @@ function test<T>(a: T) {
 }
     `,
 
-    /**
-     * Predicate functions
-     **/
+    // Predicate functions
     `
 // with literal arrow function
 [0, 1, 2].filter(x => x);

diff --git a/packages/parser/tests/tools/test-utils.ts b/packages/parser/tests/tools/test-utils.ts
@@ -43,7 +43,7 @@ export function createSnapshotTestBlock(
   config = Object.assign({}, defaultConfig, config);
 
   /**
-   * @returns {Object} the AST object
+   * @returns the AST object
    */
   function parse(): TSESTree.Program {
     const ast = parser.parseForESLint(code, config).ast;

diff --git a/packages/rule-tester/src/utils/SourceCodeFixer.ts b/packages/rule-tester/src/utils/SourceCodeFixer.ts
@@ -34,7 +34,7 @@ function compareMessagesByLocation(a: LintMessage, b: LintMessage): number {
  * smart about the fixes and won't apply fixes over the same area in the text.
  * @param sourceText The text to apply the changes to.
  * @param  messages The array of messages reported by ESLint.
- * @returns {Object} An object containing the fixed text and any unfixed messages.
+ * @returns An object containing the fixed text and any unfixed messages.
  */
 export function applyFixes(
   sourceText: string,
@@ -54,8 +54,8 @@ export function applyFixes(
 
   /**
    * Try to use the 'fix' from a problem.
-   * @param {Message} problem The message object to apply fixes from
-   * @returns {boolean} Whether fix was successfully applied
+   * @param problem The message object to apply fixes from
+   * @returns Whether fix was successfully applied
    */
   function attemptFix(problem: LintMessageWithFix): boolean {
     const fix = problem.fix;

diff --git a/packages/rule-tester/src/utils/config-validator.ts b/packages/rule-tester/src/utils/config-validator.ts
@@ -96,7 +96,7 @@ function validateRuleSchema(
  * Validates a rule's options against its schema.
  * @param rule The rule that the config is being validated for
  * @param ruleId The rule's unique name.
- * @param {Array|number} options The given options for the rule.
+ * @param options The given options for the rule.
  * @param source The name of the configuration source to report in any errors. If null or undefined,
  * no source is prepended to the message.
  * @throws {Error} Upon any bad rule configuration.

diff --git a/packages/scope-manager/src/ScopeManager.ts b/packages/scope-manager/src/ScopeManager.ts
@@ -39,7 +39,6 @@ class ScopeManager {
   public readonly declaredVariables: WeakMap<TSESTree.Node, Variable[]>;
   /**
    * The root scope
-   * @public
    */
   public globalScope: GlobalScope | null;
   public readonly nodeToScope: WeakMap<TSESTree.Node, Scope[]>;
@@ -93,7 +92,6 @@ class ScopeManager {
    * Get the variables that a given AST node defines. The gotten variables' `def[].node`/`def[].parent` property is the node.
    * If the node does not define any variable, this returns an empty array.
    * @param node An AST node to get their variables.
-   * @public
    */
   public getDeclaredVariables(node: TSESTree.Node): Variable[] {
     return this.declaredVariables.get(node) ?? [];
@@ -106,7 +104,6 @@ class ScopeManager {
    * @param node An AST node to get their scope.
    * @param inner If the node has multiple scopes, this returns the outermost scope normally.
    *                If `inner` is `true` then this returns the innermost scope.
-   * @public
    */
   public acquire(node: TSESTree.Node, inner = false): Scope | null {
     function predicate(testScope: Scope): boolean {

diff --git a/packages/scope-manager/src/referencer/VisitorBase.ts b/packages/scope-manager/src/referencer/VisitorBase.ts
@@ -29,7 +29,7 @@ abstract class VisitorBase {
   /**
    * Default method for visiting children.
    * @param node the node whose children should be visited
-   * @param exclude a list of keys to not visit
+   * @param excludeArr a list of keys to not visit
    */
   visitChildren<T extends TSESTree.Node>(
     node: T | null | undefined,