Leveraging CSS Modules alongside external packages

Below is the important section from my webpack.config.js file:

module: {
    loaders: [
        {
            test: /\.css$/,
            exclude: /node_modules/,
            loaders: [
                "style-loader?sourceMap",
                "css-loader?modules&importLoaders=1&localIdentName=[path]___[name]__[local]___[hash:base64:5]"
            ]
        },
        {
            test: /\.jsx?$/,
            exclude: /node_modules/,
            loader: "babel-loader"
        }
    ]
}

Currently, this setup works well for my custom css used with React components. But I encountered an issue when trying to use React Datepicker, as it includes its own css files that should not be affected by CSS Modules.

Is there a way to adjust my webpack.config.js so that external styles like those from React Datepicker are imported globally while keeping my own styles local to the component?

In addition, if I want to create custom styles that override React Datepicker's styles, how can I ensure they are also applied globally?

Answer №1

Your configuration issue lies in the presence of exclude: /node_modules/ line within your css loader setup. Removing this line should allow your React-datepicker to function correctly.

If you wish to customize the style of a third-party component, consider the following options:

  1. Determine if the library offers built-in theming capabilities
  2. Alternatively, identify the CSS generated by the library and override the rules with your own styles

Edit:

If you need to explicitly import CSS, create a new loader as shown below:

{
  test: /\.css$/,
  exclude: /node_modules/,
  loader: 'style!css?modules&importLoaders=1&localIdentName=[path]___[name]__[local]___[hash:base64:5]'
},
{
  test: /\.css$/,
  include: /node_modules/,
  loader: 'style!css'
}

Answer №2

By utilizing the :global(.classname) selector, you have the ability to customize external class names.

It is even possible to override CSS from third-party libraries.

:global(.classname) {
  background-color: #fff;
}

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