PostCSS Property Rule Prelude List

npm install @csstools/postcss-property-rule-prelude-list --save-dev

PostCSS Property Rule Prelude List lets you declare a list of custom properties in a single @property rule following the CSS Specification.

@property --color-a, --color-b {
    inherits: true;
    initial-value: black;
    syntax: "<color>";
}

/* becomes */

@property --color-a {
    inherits: true;
    initial-value: black;
    syntax: "<color>";
}
@property --color-b {
    inherits: true;
    initial-value: black;
    syntax: "<color>";
}

Usage

Add PostCSS Property Rule Prelude List to your project:

npm install postcss @csstools/postcss-property-rule-prelude-list --save-dev

Use it as a PostCSS plugin:

const postcss = require('postcss');
const postcssPropertyRulePreludeList = require('@csstools/postcss-property-rule-prelude-list');

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