postcss-extract-vars

PostCSS postcss-extract-vars Extracts the custom variables set to root scope and stores it in the file provided.

:root {
    --color-primary: red;
    --color-secondary: blue;
}
.button{

}
.others{

}

:root {
    --color-primary: red;
    --color-secondary: blue;
}

Usage

postcss([ require('postcss-extract-vars') ])

Options

{
    file: <PATH TO OUTPUT FILE>
}

See PostCSS docs for examples for your environment.