PostCSS Font Format

PostCSS Font Format Keywords lets you specify font formats as keywords, following the CSS Fonts specification.

@font-face {
  src: url(file.woff2) format(woff2);
}

/* becomes */

@font-face {
  src: url(file.woff2) format("woff2");
}

See prior work by valtlai here postcss-font-format-keywords To ensure long term maintenance and to provide the needed features this plugin was recreated based on valtlai's work.

Usage

Add PostCSS Font Format Keywords to your project:

npm install postcss @csstools/postcss-font-format-keywords --save-dev

Use it as a PostCSS plugin:

const postcss = require('postcss');
const postcssFontFormatKeywords = require('@csstools/postcss-font-format-keywords');

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

PostCSS Font Format Keywords runs in all Node environments, with special instructions for:

Options

preserve

The preserve option determines whether the original source is preserved. By default, it is not preserved.

postcssFontFormatKeywords({ preserve: true })

@font-face {
  src: url(file.woff2) format(woff2);
}

/* becomes */

@font-face {
  src: url(file.woff2) format("woff2");
  src: url(file.woff2) format(woff2);
}