postcss-var-optimize

    0.0.4 • Public • Published

    PostCSS Var Optimize

    PostCSS plugin to optimize css variables usage, it will convert the ones that are declared only once, it will also remove the ones that are redeclared with the same value

    a {
      border: var(--d);
      background: var(--c);
      padding: var(--a);
    }
     
    :root {
      --a: 1%;
      --b: calc(var(--a) + 2%);
      --c: hsl(20deg, var(--b)var(--a));
      --d: var(--c) var(--b) var(--a);
    }
     
    .theme {
      --b: 3;
    }
    a {
      border: hsl(20deg, var(--b)1%var(--b) 1%;
      background: hsl(20deg, var(--b)1%);
      padding: 1%;
    }
     
    :root {
      --b: 3%;
    }
     
    .theme {
      --b: 3;
    }

    Usage

    Check you project for existed PostCSS config: postcss.config.js in the project root, "postcss" section in package.json or postcss in bundle config.

    If you already use PostCSS, add the plugin to plugins list:

    module.exports = {
      plugins: [
    +   require('postcss-var-optimize'),
        require('autoprefixer')
      ]
    }

    If you do not use PostCSS, add it according to official docs and set this plugin in settings.

    Options

    • whitelist: a regex or a string indicating the name of the variables allowed to be optimized away (do not include the --), if set only the matching ones will be optimized
    • blacklist: a regex or a string indicating the name of the variables disallowed to be optimized away (do not include the --)

    Install

    npm i postcss-var-optimize

    DownloadsWeekly Downloads

    3

    Version

    0.0.4

    License

    MIT

    Unpacked Size

    6.64 kB

    Total Files

    5

    Last publish

    Collaborators

    • tofandel