postcss-split-selectors

PostCSS plugin that splits selectors by comma, then merges the same selectors under the same parent ignoring adjacency.

Example Input

.a {
  p0: v0;
}
.a,
.b {
  .d {
    p1: v1;
  }
  p2: v2;
  .c,
  .d {
    p3: v3;
  }
  .c {
    p4: v4;
  }
}
.b {
  p5: v5;
}

Example Output

.a {
  p0: v0;
  .d {
    p1: v1;
    p3: v3;
  }
  p2: v2;
  .c {
    p3: v3;
    p4: v4;
  }
}
.b {
  .d {
    p1: v1;
    p3: v3;
  }
  p2: v2;
  .c {
    p3: v3;
    p4: v4;
  }
  p5: v5;
}

Usage

Step 1: Install plugin:

npm install --save-dev postcss postcss-split-selectors

Step 2: 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 do not use PostCSS, add it according to official docs and set this plugin in settings.

Step 3: Add the plugin to plugins list:

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