postcss-v-color

PostCSS plugin for creating color variables.

@v-color (
  bg-default ( 
    light: var(--color-white),
    dark: var(--color-black)
  ),
  fg-default ( 
    light: var(--color-grey-dark),
    dark: var(--color-grey-light)
  ),
  text-highlight ( 
    light: var(--color-grey-dark),
    dark: var(--color-grey-light)
  )
);

:root {
  --color-bg-default: var(--color-white);
  --color-fg-default: var(--color-grey-dark);
}
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg-default: var(--color-black);
    --color-fg-default: var(--color-grey-light);
  }
}

Usage

Step 1: Install plugin:

npm install --save-dev postcss postcss-v-color

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-v-color'),
    require('autoprefixer')
  ]
}

Todo

• Add manual mode toggle support
• Add ability to add custom themes (like dark_dimmed)
• Add ability to use args in postcss.config.js