ESLint v9.13.0 released - ESLint - Pluggable JavaScript Linter

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stroke="currentColor"></path> </svg> </button> </div> <ul id="nav-list"> <li> <a href="/team" >Team</a> </li> <li> <a href="/blog" data-current="true" >Blog</a> </li> <li> <a href="/docs/latest/" >Docs</a> </li> <li> <a href="https://eslint.threadless.com" target="_blank">Store</a> </li> <li> <a href="/play" target="_blank">Playground</a> </li> </ul> </nav> </div> </header> <script src="https://unpkg.com/anchor-js@4.3.1/anchor.min.js" type="text/javascript"></script> <script> document.addEventListener("DOMContentLoaded", () => { anchors.add(".post__blog-content h2, .post__blog-content h3, .post__blog-content h4"); }); </script> <main id="main" class="post-main" tabindex="-1"> <div class="section hero"> <div class="content-container grid"> <div class="span-1-7 content-container"><p class="post__meta">Published <time datetime="18 Oct, 2024">18 Oct, 2024</time> under <a href="/blog/category/release-notes">Release Notes</a></p><h1 class="section-title">ESLint v9.13.0 released</h1> <p class="section-supporting-text"> We just pushed ESLint v9.13.0, which is a minor release upgrade of ESLint. This release adds some new features and fixes several bugs found in the previous release. </p> </div> <div class="span-10-12 hero-ad">  <script id="eslint-sponsor"> if (window.innerWidth > 800) { var s = document.createElement("script"); s.type = "text/javascript"; s.src = "//media.ethicalads.io/media/client/ethicalads.min.js"; document.getElementById("eslint-sponsor").after(s); document.getElementById("eslint-sponsor").remove(); } </script> <div data-ea-publisher="eslint-org" data-ea-type="image"></div> </div> </div> </div> <div class="content-container grid"> <div class="post__blog-content span-5-12"> <h2 id="highlights" tabindex="-1">Highlights</h2> <ul> <li>The predefined array of config objects used by ESLint can be now accessed programmatically as <a href="https://eslint.org/docs/latest/integrate/nodejs-api#-eslintdefaultconfig"><code>ESLint.defaultConfig</code></a>.</li> <li>To speed up loading, the ESLint CLI will automatically enable V8’s code cache in newer versions of Node.js.</li> <li>Custom languages can now provide their default options with the <code>defaultLanguageOptions</code> property. See the documentation about the <a href="https://eslint.org/docs/latest/extend/languages#the-language-object"><code>Language</code> object</a>.</li> </ul> <h2 id="features" tabindex="-1">Features</h2> <ul> <li><a href="https://github.com/eslint/eslint/commit/381c32b6975fa3208c62ca2b1052eb87182ed731"><code>381c32b</code></a> feat: Allow languages to provide <code>defaultLanguageOptions</code> (<a href="https://github.com/eslint/eslint/issues/19003">#19003</a>) (Milos Djermanovic)</li> <li><a href="https://github.com/eslint/eslint/commit/bf723bd0f948dbfef57f9b34ff894e7603aeaf88"><code>bf723bd</code></a> feat: Improve eslintrc warning message (<a href="https://github.com/eslint/eslint/issues/19023">#19023</a>) (Milos Djermanovic)</li> <li><a href="https://github.com/eslint/eslint/commit/1def4cdfab1f067c5089df8b36242cdf912b0eb6"><code>1def4cd</code></a> feat: drop support for jiti v1.21 (<a href="https://github.com/eslint/eslint/issues/18996">#18996</a>) (Francesco Trotta)</li> <li><a href="https://github.com/eslint/eslint/commit/f879be240ca7ddf485b700df0eb93985ccb1db45"><code>f879be2</code></a> feat: export <code>ESLint.defaultConfig</code> (<a href="https://github.com/eslint/eslint/issues/18983">#18983</a>) (Nitin Kumar)</li> </ul> <h2 id="bug-fixes" tabindex="-1">Bug Fixes</h2> <ul> <li><a href="https://github.com/eslint/eslint/commit/78836d40ebd3881e527075a991da4cbb0ff9adfc"><code>78836d4</code></a> fix: update the <a href="/docs/rules/complexity"><code>complexity</code></a> rule type (<a href="https://github.com/eslint/eslint/issues/19027">#19027</a>) (Nitin Kumar)</li> <li><a href="https://github.com/eslint/eslint/commit/064c8b612e2e4b773d6b25867f2045e3ceaa9d66"><code>064c8b6</code></a> fix: update rule types (<a href="https://github.com/eslint/eslint/issues/18925">#18925</a>) (Nitin Kumar)</li> </ul> <h2 id="documentation" tabindex="-1">Documentation</h2> <ul> <li><a href="https://github.com/eslint/eslint/commit/abdbfa83907712d0d44a35aeed4e0ea7bf106740"><code>abdbfa8</code></a> docs: mark <code>LintMessage#nodeType</code> as deprecated (<a href="https://github.com/eslint/eslint/issues/19019">#19019</a>) (Nitin Kumar)</li> <li><a href="https://github.com/eslint/eslint/commit/19e68d3f3a86cf23e5c98eaf8736eeaa33f194f4"><code>19e68d3</code></a> docs: update deprecated rules type definitions (<a href="https://github.com/eslint/eslint/issues/19018">#19018</a>) (Nitin Kumar)</li> <li><a href="https://github.com/eslint/eslint/commit/7dd402d33226d821a17b22c4753ce9c40fc909bd"><code>7dd402d</code></a> docs: Update examples of passing multiple values to a CLI option (<a href="https://github.com/eslint/eslint/issues/19006">#19006</a>) (Milos Djermanovic)</li> <li><a href="https://github.com/eslint/eslint/commit/5dcbc519b729698be651bdbddb39da774cb70bf1"><code>5dcbc51</code></a> docs: Add example with side-effect imports to <a href="/docs/rules/no-restricted-imports">no-restricted-imports</a> (<a href="https://github.com/eslint/eslint/issues/18997">#18997</a>) (Milos Djermanovic)</li> <li><a href="https://github.com/eslint/eslint/commit/1ee87ca1c50018947e76c29e78da9aaf711f53a2"><code>1ee87ca</code></a> docs: Update README (GitHub Actions Bot)</li> <li><a href="https://github.com/eslint/eslint/commit/2c3dbdc2319fcf2f65c2de13f9064c5a315be890"><code>2c3dbdc</code></a> docs: Use prerendered sponsors for README (<a href="https://github.com/eslint/eslint/issues/18988">#18988</a>) (Milos Djermanovic)</li> </ul> <h2 id="chores" tabindex="-1">Chores</h2> <ul> <li><a href="https://github.com/eslint/eslint/commit/68d2d9dfd63401b6a9b413f11ac2c4b583e4897a"><code>68d2d9d</code></a> chore: upgrade to <code>@eslint/js@9.13.0</code> and <code>@eslint/core@^0.7.0</code> (<a href="https://github.com/eslint/eslint/issues/19034">#19034</a>) (Francesco Trotta)</li> <li><a href="https://github.com/eslint/eslint/commit/2211f0aeb350f55e1fa71d4df93d46bc1795789d"><code>2211f0a</code></a> chore: package.json update for @eslint/js release (Jenkins)</li> <li><a href="https://github.com/eslint/eslint/commit/c7abaef5332caf4b6251c9550a81a9c29bf324fd"><code>c7abaef</code></a> perf: using Node.js compile cache (<a href="https://github.com/eslint/eslint/issues/19012">#19012</a>) (唯然)</li> <li><a href="https://github.com/eslint/eslint/commit/1d7c077145d070aa7754018b29b038ce2e0c8b0e"><code>1d7c077</code></a> chore: add pkg.type “commonjs” (<a href="https://github.com/eslint/eslint/issues/19011">#19011</a>) (唯然)</li> <li><a href="https://github.com/eslint/eslint/commit/468e3bdadfdf5f197a44efd6c8dc5cf2b241f964"><code>468e3bd</code></a> test: fix <code>ESLint</code> tests (<a href="https://github.com/eslint/eslint/issues/19021">#19021</a>) (Francesco Trotta)</li> <li><a href="https://github.com/eslint/eslint/commit/ed4635fa0e4fb91705223a7d9c230b6e9a87cd4c"><code>ed4635f</code></a> ci: upgrade knip@5.32.0 (<a href="https://github.com/eslint/eslint/issues/18992">#18992</a>) (Milos Djermanovic)</li> <li><a href="https://github.com/eslint/eslint/commit/efad76732170a9a7db2e056a8d9a0cf503448c48"><code>efad767</code></a> chore: remove unused ignore dependency (<a href="https://github.com/eslint/eslint/issues/18993">#18993</a>) (Amaresh S M)</li> </ul> </div> <div class="post__author-bios span-5-12"> <div class="profile profile--author"> <div class="profile--author__details"> <img class="profile__photo profile__photo--small" src="https://avatars.githubusercontent.com/u/6367844?v=4 " alt="Francesco Trotta" width="48" height="48" loading="lazy"> <div class="profile__details"> <div class="profile__name"> Francesco Trotta </div><span class="profile__title"> ESLint Technical Steering Committee </span><div class="profile__social-links"> <ul> <li> <a 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class="span-11-12"><a href="/blog" class="c-btn c-btn--primary c-btn--block from-the-blog__more">View all posts</a></div> </div> <div class="blog-posts"> <article class='card '><a href="/blog/2024/11/eslint-v9.15.0-released/" class="card__cover" tabindex="-1"><picture><source type="image/webp" srcset="/assets/images/release-notes-minor-560w.webp 560w" sizes="(max-width: 768px) 100vw, 50vw"><img alt="ESLint v9.15.0 released" class="undefined" loading="lazy" decoding="async" src="/assets/images/release-notes-minor-560w.jpeg" width="560" height="368"></picture></a> <div class="card__content"> <div class="badge-group"> <span class="blog-post__category"> <span class="visually-hidden">Published under:</span> Release Notes </span> <span class="blog-post__reading-time"> 2 min read </span> </div> <h3 class="card__title"> <a href="/blog/2024/11/eslint-v9.15.0-released/"> ESLint v9.15.0 released</a> </h3> <p class="card__teaser"> We just pushed ESLint v9.15.0, which is a minor release upgrade of ESLint. This release adds some new features and fixes several bugs found in the previous release. </p> <div class="card__footer"> <img class="blog-post__author-photo" src="https://avatars.githubusercontent.com/u/44349756?v=4 " alt="Milos Djermanovic" width="40" height="40" loading="lazy"> <div class="blog-post__author__details"> <div class="blog-post__author-name">Milos Djermanovic</div> <time class="blog-post__publish-date" datetime="Fri Nov 15 2024 00:00:00 GMT+0000 (Coordinated Universal Time)">15 Nov, 2024</time> </div> </div> </div> </article> <article class='card '><a href="/blog/2024/11/eslint-v9.14.0-released/" class="card__cover" tabindex="-1"><picture><source type="image/webp" srcset="/assets/images/release-notes-minor-560w.webp 560w" sizes="(max-width: 768px) 100vw, 50vw"><img alt="ESLint v9.14.0 released" class="undefined" loading="lazy" decoding="async" src="/assets/images/release-notes-minor-560w.jpeg" width="560" height="368"></picture></a> <div class="card__content"> <div class="badge-group"> <span class="blog-post__category"> <span class="visually-hidden">Published under:</span> Release Notes </span> <span class="blog-post__reading-time"> 2 min read </span> </div> <h3 class="card__title"> <a href="/blog/2024/11/eslint-v9.14.0-released/"> ESLint v9.14.0 released</a> </h3> <p class="card__teaser"> We just pushed ESLint v9.14.0, which is a minor release upgrade of ESLint. 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