From 9ff9ef9622b1e90c89cd2342fd525d1a7c95d809 Mon Sep 17 00:00:00 2001
From: David Lounsbrough <lounsbrough@users.noreply.github.com>
Date: Mon, 13 Nov 2023 10:03:19 -0600
Subject: [PATCH] [New] `no-unknown-property`: add `displaystyle` on `<math>`

---
 CHANGELOG.md                           | 2 ++
 lib/rules/no-unknown-property.js       | 1 +
 tests/lib/rules/no-unknown-property.js | 1 +
 3 files changed, 4 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f76e6f3728..bdb2d0e888 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ This change log adheres to standards from [Keep a CHANGELOG](https://keepachange
 * [`sort-prop-types`]: give errors on TS types ([#3615][] @akulsr0)
 * [`no-invalid-html-attribute`]: add support for `apple-touch-startup-image` `rel` attributes in `link` tags ([#3638][] @thomashockaday)
 * [`no-unknown-property`]: add requireDataLowercase option ([#3645][] @HermanBilous)
+* [`no-unknown-property`]: add `displaystyle` on `<math>` ([#3652][] @lounsbrough)
 
 ### Fixed
 * [`jsx-no-leaked-render`]: preserve RHS parens for multiline jsx elements while fixing ([#3623][] @akulsr0)
@@ -21,6 +22,7 @@ This change log adheres to standards from [Keep a CHANGELOG](https://keepachange
 * [Refactor] [`function-component-definition`]: exit early if no type params ([#3634][] @HenryBrown0)
 * [Refactor] [`jsx-props-no-multi-spaces`]: extract type parameters to var ([#3634][] @HenryBrown0)
 
+[#3652]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3652
 [#3645]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3645
 [#3638]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3638
 [#3634]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3634
diff --git a/lib/rules/no-unknown-property.js b/lib/rules/no-unknown-property.js
index 069596d73c..2fc127b15f 100644
--- a/lib/rules/no-unknown-property.js
+++ b/lib/rules/no-unknown-property.js
@@ -34,6 +34,7 @@ const ATTRIBUTE_TAGS_MAP = {
   checked: ['input'],
   // image is required for SVG support, all other tags are HTML.
   crossOrigin: ['script', 'img', 'video', 'audio', 'link', 'image'],
+  displaystyle: ['math'],
   // https://html.spec.whatwg.org/multipage/links.html#downloading-resources
   download: ['a', 'area'],
   fill: [ // https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/fill
diff --git a/tests/lib/rules/no-unknown-property.js b/tests/lib/rules/no-unknown-property.js
index d6713286c1..54c23785dd 100644
--- a/tests/lib/rules/no-unknown-property.js
+++ b/tests/lib/rules/no-unknown-property.js
@@ -161,6 +161,7 @@ ruleTester.run('no-unknown-property', rule, {
     { code: '<fbt desc="foo" doNotExtract />;' },
     // fbs
     { code: '<fbs desc="foo" doNotExtract />;' },
+    { code: '<math displaystyle="true" />;' },
   ]),
   invalid: parsers.all([
     {