PostCSS Short Border

PostCSS Short Border lets you omit sides within border- properties in CSS. It also lets you fully define individual values on the border property using dividers (/).

.example-1 {
  border-color: blue blue *;
}

.example-2 {
  border-width: 1px *;
}

.example-3 {
  border: 1px 2px / solid / red orange;
}

/* becomes */

.example-1 {
  border-top-color: blue;
  border-right-color: blue;
  border-left-color: blue;
}

.example-2 {
  border-top-width: 1px;
  border-bottom-width: 1px;
}

.example-3 {
  border-width: 1px 2px;
  border-style: solid;
  border-color: red orange;
}

Usage

Add PostCSS Short Border to your project:

npm install postcss-short-border --save-dev

Use PostCSS Short Border to process your CSS:

const postcssShortBorder = require('postcss-short-border');

postcssShortBorder.process(YOUR_CSS /*, processOptions, pluginOptions */);

Or use it as a PostCSS plugin:

const postcss = require('postcss');
const postcssShortBorder = require('postcss-short-border');

postcss([
  postcssShortBorder(/* pluginOptions */)
]).process(YOUR_CSS /*, processOptions */);

PostCSS Short Border runs in all Node environments, with special instructions for:

Node	PostCSS CLI	Webpack	Create React App	Gulp	Grunt

Options

prefix

The prefix option defines a prefix required by properties being transformed. Wrapping dashes are automatically applied, so that x would transform -x-border.

postcssShortBorder({ prefix: 'x' });

.example-1 {
  -x-border-color: blue blue *;
}

/* becomes */

.example-1 {
  border-top-color: blue;
  border-right-color: blue;
  border-left-color: blue;
}

skip

The skip option defines the skip token used to ignore portions of the shorthand.

postcssShortBorder({ skip: '-' });

.example-1 {
  border-color: blue blue -;
}

/* becomes */

.example-1 {
  border-top-color: blue;
  border-right-color: blue;
  border-left-color: blue;
}

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