PostCSS Clamp

PostCSS plugin to transform clamp() to combination of min/max.

This plugin transform this css:

.foo {
  width: clamp(10px, 4em, 80px);
}

into this:

.foo {
  width: max(10px, min(4em, 80px));
}

Or with enabled options precalculate:

.foo {
  width: clamp(10em, 4px, 10px);
}

/* becomes */

.foo {
  width: max(10em, 14px);
}

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Instalation

$ npm install postcss postcss-clamp --save-dev
or
$ yarn add --dev postcss postcss-clamp

Usage

Use PostCSS Clamp as a PostCSS plugin:

const postcss = require('postcss');
const postcssClamp = require('postcss-clamp');

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

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

Node	PostCSS CLI	Webpack	Create React App	Gulp	Grunt

See PostCSS docs for examples for your environment.

Options

precalculate

The precalculate option determines whether values with the same unit should be precalculated. By default, these are not precalculation.

postcssColorHexAlpha({
  precalculate: true
});

The second and third value has the same unit (px):

.foo {
  width: clamp(10em, 4px, 10px);
}

/* becomes */

.foo {
  width: max(10em, 14px);
}

Here all values have the same unit:

.foo {
  width: clamp(10px, 4px, 10px);
}

/* becomes */

.foo {
  width: 24px;
}

LICENSE

See LICENSE

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