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49 lines
1.8 KiB
Markdown
49 lines
1.8 KiB
Markdown
# jsx-a11y/img-redundant-alt
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💼 This rule is enabled in the following configs: ☑️ `recommended`, 🔒 `strict`.
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<!-- end auto-generated rule header -->
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Enforce img alt attribute does not contain the word image, picture, or photo. Screen readers already announce `img` elements as an image. There is no need to use words such as *image*, *photo*, and/or *picture*.
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## Rule options
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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/img-redundant-alt": [ 2, {
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"components": [ "Image" ],
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"words": [ "Bild", "Foto" ],
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}],
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}
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}
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```
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For the `components` option, these strings determine which JSX elements (**always including** `<img>`) should be checked for having redundant words in the `alt` prop value . This is a good use case when you have a wrapper component that simply renders an `img` element (like in React).
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For the `words` option, these strings can be used to specify custom words that should be checked for in the alt prop, including `image`, `photo`, and `picture`. Useful for specifying words in other languages.
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The rule will first check if `aria-hidden` is true to determine whether to enforce the rule. If the image is hidden, then rule will always succeed.
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### Succeed
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```jsx
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<img src="foo" alt="Foo eating a sandwich." />
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<img src="bar" aria-hidden alt="Picture of me taking a photo of an image" /> // Will pass because it is hidden.
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<img src="baz" alt={`Baz taking a ${photo}`} /> // This is valid since photo is a variable name.
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```
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### Fail
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```jsx
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<img src="foo" alt="Photo of foo being weird." />
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<img src="bar" alt="Image of me at a bar!" />
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<img src="baz" alt="Picture of baz fixing a bug." />
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```
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## Accessibility guidelines
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General best practice (reference resources)
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### Resources
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- [WebAIM, Alternative Text](https://webaim.org/techniques/alttext/)
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