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55 lines
1.1 KiB
Markdown
55 lines
1.1 KiB
Markdown
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# declaration-block-no-shorthand-property-overrides
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Disallow shorthand properties that override related longhand properties.
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```css
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a { background-repeat: repeat; background: green; }
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/** ↑
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* This overrides the longhand property before it */
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```
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In almost every case, this is just an authorial oversight. For more about this behavior, see [MDN's documentation of shorthand properties](https://developer.mozilla.org/en-US/docs/Web/CSS/Shorthand_properties).
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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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a {
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padding-left: 10px;
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padding: 20px;
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}
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```
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```css
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a {
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transition-property: opacity;
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transition: opacity 1s linear;
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}
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```
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```css
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a {
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border-top-width: 1px;
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top: 0;
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bottom: 3px;
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border: 2px solid blue;
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}
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```
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The following patterns are *not* considered warnings:
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```css
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a { padding: 10px; padding-left: 20px; }
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```
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```css
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a { transition-property: opacity; } a { transition: opacity 1s linear; }
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```
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```css
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a { transition-property: opacity; -webkit-transition: opacity 1s linear; }
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```
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