postcss / postcss-browser-reporter

Plugin to display warning messages right in your browser

PostCSS Browser Reporter

PostCSS plugin to report warning messages right in your browser.

If a plugin before this one is throwing a warning, this plugin will append warning messages to html:before.

Usage

Step 1: Install plugin:

npm install --save-dev postcss postcss-browser-reporter

Step 2: Check your project for existing 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-browser-reporter'),
    require('autoprefixer')
  ]
}

Options

selector

You can override selector that will be used to display messages:

  require('postcss-browser-reporter')({
    selector: 'body:before'
  })

Type: String. Default: html::before.

styles

You can override default styles applied to the selector:

  require('postcss-browser-reporter')({
    styles: {
      color: 'gray',
      'text-align': 'center'
    }
  })

Type: Object. Default: opinionated styles.