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36 lines
969 B
Markdown
36 lines
969 B
Markdown
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# selector-no-vendor-prefix
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Disallow vendor prefixes for selectors.
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```css
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input::-moz-placeholder {}
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/** ↑
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* These prefixes */
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```
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This rule does not blanketly condemn vendor prefixes. Instead, it uses [Autoprefixer's](https://github.com/postcss/autoprefixer) up-to-date data (from [caniuse.com](http://caniuse.com/)) to know whether a vendor prefix should cause a warning or not. *If you've included a vendor prefixed selector that has a standard alternative, one that Autoprefixer could take care of for you, this rule will warn about it*. If, however, you use a non-standard vendor-prefixed selector, one that Autoprefixer would ignore and could not provide, this rule will ignore it.
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## Options
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### `true`
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The following patterns are considered warnings:
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```css
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input::-moz-placeholder {}
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```
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```css
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:-webkit-full-screen a {}
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```
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The following patterns are *not* considered warnings:
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```css
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input::placeholder {}
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```
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```css
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:full-screen a {}
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```
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