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93 lines
1.7 KiB
93 lines
1.7 KiB
2 years ago
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# [postcss][postcss]-reduce-initial
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> Reduce `initial` definitions to the _actual_ initial value, where possible.
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## Install
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With [npm](https://npmjs.org/package/postcss-reduce-initial) do:
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```
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npm install postcss-reduce-initial --save
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```
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## Examples
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See the [data](data) for more conversions. This data is courtesy
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of Mozilla.
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### Convert `initial` values
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When the `initial` keyword is longer than the property value, it will
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be converted:
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#### Input
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```css
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h1 {
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min-width: initial;
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}
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```
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#### Output
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```css
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h1 {
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min-width: 0;
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}
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```
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### Convert values back to `initial`
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When the `initial` value is smaller than the property value, it will
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be converted:
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#### Input
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```css
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h1 {
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transform-box: border-box;
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}
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```
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#### Output
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```css
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h1 {
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transform-box: initial;
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}
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```
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This conversion is only applied when you supply a browsers list that all support
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the `initial` keyword; it's worth noting that Internet Explorer has no support.
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## API
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### reduceInitial([options])
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#### options
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##### ignore
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Type: `Array<String>`
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Default: `undefined`
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It contains the Array of properties that will be ignored while reducing its value to initial.
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Example : `{ ignore : ["min-height"] }`
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## Usage
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See the [PostCSS documentation](https://github.com/postcss/postcss#usage) for
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examples for your environment.
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## Contributors
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See [CONTRIBUTORS.md](https://github.com/cssnano/cssnano/blob/master/CONTRIBUTORS.md).
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## License
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This program uses a list of CSS properties derived from data maintained my the MDN team at Mozilla and licensed under the [CC0 1.0 Universal Public Domain Dedication](https://creativecommons.org/publicdomain/zero/1.0/).
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MIT © [Ben Briggs](http://beneb.info)
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[postcss]: https://github.com/postcss/postcss
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