postcss-functions
PostCSS plugin for exposing JavaScript functions
Last updated 7 years ago by andyjansson .
MIT · Repository · Bugs · Original npm · Tarball · package.json
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postcss-functions

PostCSS plugin for exposing JavaScript functions.

Installation

npm install --save-dev postcss postcss-functions

Usage

import fs from 'fs';
import postcss from 'postcss';
import functions from 'postcss-functions';

const options = {
	//options
};

const css = fs.readFileSync('input.css', 'utf8');

postcss()
  .use(functions(options))
  .process(css)
  .then((result) => {
    const output = result.css;
  });

Example of a function call:

body {
  prop: foobar();
}

Options

functions

Type: Object

An object containing functions. The function name will correspond with the object key.

Example:

import postcssFunctions from 'postcss-functions';
import { fromString, fromRgb } from 'css-color-converter';
function darken(value, frac) {
  const darken = 1 - parseFloat(frac);
  const rgba = fromString(value).toRgbaArray();
  const r = rgba[0] * darken;
  const g = rgba[1] * darken;
  const b = rgba[2] * darken;
  return fromRgb([r,g,b]).toHexString();
}
postcssFunctions({
  functions: { darken }
});
.foo {
  /* make 10% darker */
  color: darken(blue, 0.1);
}

Hey, what happened to glob?

Versions prior to 4.0.0 had a globbing feature built in, but I've since decided to remove this feature from postcss-functions. This means one less dependency and a smaller package size. For people still interested in this feature, you are free to pair postcss-functions with the globbing library of your choice and pass the imported JavaScript files to the functions option as described above.

Current Tags

  • 4.0.2                                ...           latest (4 years ago)
  • 3.0.0-beta.2                                ...           next (7 years ago)

11 Versions

  • 4.0.2                                ...           4 years ago
  • 4.0.1 [deprecated]           ...           4 years ago
  • 4.0.0 [deprecated]           ...           4 years ago
  • 3.0.0                                ...           7 years ago
  • 3.0.0-beta.2                                ...           7 years ago
  • 3.0.0-beta.1                                ...           7 years ago
  • 3.0.0-beta.0                                ...           7 years ago
  • 2.1.1                                ...           8 years ago
  • 2.1.0                                ...           9 years ago
  • 2.0.0                                ...           9 years ago
  • 1.0.0                                ...           9 years ago
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