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noAriaUnsupportedElements

src/content/docs/linter/rules/no-aria-unsupported-elements.mdx

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import { Tabs, TabItem } from '@astrojs/starlight/components';

<Tabs> <TabItem label="JSX and TSX" icon="seti:javascript"> ## Summary - Rule available since: `v1.0.0` - Diagnostic Category: [`lint/a11y/noAriaUnsupportedElements`](/reference/diagnostics#diagnostic-category) - This rule is **recommended**, meaning it is enabled by default. - This rule has an [**unsafe**](/linter/#unsafe-fixes) fix. - The default severity of this rule is [**error**](/reference/diagnostics#error). - Sources: - Same as [`jsx-a11y/aria-unsupported-elements`](https://github.com/jsx-eslint/eslint-plugin-jsx-a11y/blob/main/docs/rules/aria-unsupported-elements.md)

How to configure

json
{
	"linter": {
		"rules": {
			"a11y": {
				"noAriaUnsupportedElements": "error"
			}
		}
	}
}

Description

Enforce that elements that do not support ARIA roles, states, and properties do not have those attributes.

Examples

Invalid

jsx
<meta charset="UTF-8" role="meta" />
<pre class="language-text"><code class="language-text">code-block.jsx:1:1 <a href="https://biomejs.dev/linter/rules/no-aria-unsupported-elements">lint/a11y/noAriaUnsupportedElements</a> <span style="color: #000; background-color: #ddd;"> FIXABLE </span> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ <strong><span style="color: Tomato;">✖</span></strong> <span style="color: Tomato;">Avoid the </span><span style="color: Tomato;"><strong>role</strong></span><span style="color: Tomato;"> attribute and </span><span style="color: Tomato;"><strong>aria-&#42;</strong></span><span style="color: Tomato;"> attributes when using </span><span style="color: Tomato;"><strong>meta</strong></span><span style="color: Tomato;">, </span><span style="color: Tomato;"><strong>html</strong></span><span style="color: Tomato;">, </span><span style="color: Tomato;"><strong>script</strong></span><span style="color: Tomato;">, and </span><span style="color: Tomato;"><strong>style</strong></span><span style="color: Tomato;"> elements.</span> <strong><span style="color: Tomato;">&gt;</span></strong> <strong>1 │ </strong>&lt;meta charset=&quot;UTF-8&quot; role=&quot;meta&quot; /&gt; <strong> │ </strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong> <strong>2 │ </strong> <strong><span style="color: lightgreen;">ℹ</span></strong> <span style="color: lightgreen;">Using role on elements that do not support them can cause issues with screen readers.</span> <strong><span style="color: lightgreen;">ℹ</span></strong> <span style="color: lightgreen;">Unsafe fix</span><span style="color: lightgreen;">: </span><span style="color: lightgreen;">Remove the </span><span style="color: lightgreen;"><strong>role=&quot;meta&quot; </strong></span><span style="color: lightgreen;"> attribute.</span> <strong> 1 │ </strong>&lt;meta<span style="opacity: 0.8;">·</span>charset=&quot;UTF-8&quot;<span style="opacity: 0.8;">·</span><span style="color: Tomato;">r</span><span style="color: Tomato;">o</span><span style="color: Tomato;">l</span><span style="color: Tomato;">e</span><span style="color: Tomato;">=</span><span style="color: Tomato;">&quot;</span><span style="color: Tomato;">m</span><span style="color: Tomato;">e</span><span style="color: Tomato;">t</span><span style="color: Tomato;">a</span><span style="color: Tomato;">&quot;</span><span style="opacity: 0.8;"><span style="color: Tomato;">·</span></span>/&gt; <strong> │ </strong> <span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span> </code></pre>
jsx
<html aria-required="true" />
<pre class="language-text"><code class="language-text">code-block.jsx:1:1 <a href="https://biomejs.dev/linter/rules/no-aria-unsupported-elements">lint/a11y/noAriaUnsupportedElements</a> <span style="color: #000; background-color: #ddd;"> FIXABLE </span> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ <strong><span style="color: Tomato;">✖</span></strong> <span style="color: Tomato;">Avoid the </span><span style="color: Tomato;"><strong>role</strong></span><span style="color: Tomato;"> attribute and </span><span style="color: Tomato;"><strong>aria-&#42;</strong></span><span style="color: Tomato;"> attributes when using </span><span style="color: Tomato;"><strong>meta</strong></span><span style="color: Tomato;">, </span><span style="color: Tomato;"><strong>html</strong></span><span style="color: Tomato;">, </span><span style="color: Tomato;"><strong>script</strong></span><span style="color: Tomato;">, and </span><span style="color: Tomato;"><strong>style</strong></span><span style="color: Tomato;"> elements.</span> <strong><span style="color: Tomato;">&gt;</span></strong> <strong>1 │ </strong>&lt;html aria-required=&quot;true&quot; /&gt; <strong> │ </strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong> <strong>2 │ </strong> <strong><span style="color: lightgreen;">ℹ</span></strong> <span style="color: lightgreen;">Using aria-&#42; on elements that do not support them can cause issues with screen readers.</span> <strong><span style="color: lightgreen;">ℹ</span></strong> <span style="color: lightgreen;">Unsafe fix</span><span style="color: lightgreen;">: </span><span style="color: lightgreen;">Remove the </span><span style="color: lightgreen;"><strong>aria-required=&quot;true&quot; </strong></span><span style="color: lightgreen;"> attribute.</span> <strong> 1 │ </strong>&lt;html<span style="opacity: 0.8;">·</span><span style="color: Tomato;">a</span><span style="color: Tomato;">r</span><span style="color: Tomato;">i</span><span style="color: Tomato;">a</span><span style="color: Tomato;">-</span><span style="color: Tomato;">r</span><span style="color: Tomato;">e</span><span style="color: Tomato;">q</span><span style="color: Tomato;">u</span><span style="color: Tomato;">i</span><span style="color: Tomato;">r</span><span style="color: Tomato;">e</span><span style="color: Tomato;">d</span><span style="color: Tomato;">=</span><span style="color: Tomato;">&quot;</span><span style="color: Tomato;">t</span><span style="color: Tomato;">r</span><span style="color: Tomato;">u</span><span style="color: Tomato;">e</span><span style="color: Tomato;">&quot;</span><span style="opacity: 0.8;"><span style="color: Tomato;">·</span></span>/&gt; <strong> │ </strong> <span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span> </code></pre>

Valid

jsx
<meta charset="UTF-8" />
jsx
<html></html>
</TabItem> </Tabs>