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44 lines
1.4 KiB
Markdown
44 lines
1.4 KiB
Markdown
# aria-role
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Elements with ARIA roles must use a valid, non-abstract ARIA role. A reference to role definitions can be found at [WAI-ARIA](https://www.w3.org/TR/wai-aria/#role_definitions) site.
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## Rule details
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This rule takes one optional object argument of type object:
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```json
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{
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"rules": {
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"jsx-a11y/aria-role": [ 2, {
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"ignoreNonDOM": true
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}],
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}
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}
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```
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For the `ignoreNonDOM` option, this determines if developer created components are checked.
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### Succeed
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```jsx
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<div role="button"></div> <!-- Good: "button" is a valid ARIA role -->
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<div role={role}></div> <!-- Good: role is a variable & cannot be determined until runtime. -->
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<div></div> <!-- Good: No ARIA role -->
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<Foo role={role}></Foo> <!-- Good: ignoreNonDOM is set to true -->
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```
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### Fail
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```jsx
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<div role="datepicker"></div> <!-- Bad: "datepicker" is not an ARIA role -->
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<div role="range"></div> <!-- Bad: "range" is an _abstract_ ARIA role -->
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<div role=""></div> <!-- Bad: An empty ARIA role is not allowed -->
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<Foo role={role}></Foo> <!-- Bad: ignoreNonDOM is set to false or not set -->
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```
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## Accessibility guidelines
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- [WCAG 4.1.2](https://www.w3.org/WAI/WCAG21/Understanding/name-role-value)
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### Resources
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- [Chrome Audit Rules, AX_ARIA_01](https://github.com/GoogleChrome/accessibility-developer-tools/wiki/Audit-Rules#ax_aria_01)
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- [DPUB-ARIA roles](https://www.w3.org/TR/dpub-aria-1.0/)
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