Question 184689 in Reactjs Question posted in
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Reactjs – Server components: Can we use webpack to add "use client" in modules from compponent library?

React server components make us use the "use client" directive on top of files. This basically breaks react components library (like ReactBootstrap and PrimeReact) and makes us create wrapper files just to add "use client" in each module exported by this lib. But is there some Webpack feature that we can use to add this "use client" for us in that kind of library?

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  1. Chosen as BEST ANSWER
    0

    I figured out that it is actually pretty easy to do this. You just need to define a Webpack loader to do that:

    // loaders/use-client-loader.js

module.exports = function (source) {
  return `"use client";n` + source;
};


//Now declare the loader in webpack

/// if you are using with nextJS:
/// next.config.js

/** @type {import('next').NextConfig} */
const nextConfig = {
  webpack: function (config, options) {
    config.module.rules.push({
      test: [/node_modules/primereact//], /// replace here make match your package
      loader: require.resolve("./loaders/use-client-loader.js"),
    });
    return config;
  },
};

module.exports = nextConfig;

// if you are not using nextJS (find how to edit your webpack config):
module.exports = {
  // ...some config here
  module: {
    rules: {
      test: [/node_modules/primereact//], /// replace here make match your package
      loader: require.resolve("./loaders/use-client-loader.js"),
    },
  },
};

  2. 0

    Currently, there is no built-in Webpack feature specifically designed to add the "use client" directive automatically to each module exported by a React component library. The "use client" directive is specific to React Server Components and is not a standard part of the React library.

    To use React Server Components, you need to explicitly mark the parent component as a client component using the "use client" directive. This directive is required because React Server Components have different behavior and limitations compared to regular React components.

    In the case of using React component libraries like ReactBootstrap or PrimeReact, where each component is exported from the library, you would need to manually add the "use client" directive to each module that you import and use in your application.

    Creating wrapper files or modifying the library’s source code to include the "use client" directive is currently the recommended approach to use these libraries with React Server Components.

    However, it’s worth noting that React Server Components are still an experimental feature and are subject to change. As the technology evolves, there may be future updates or improvements that could address the need for explicit "use client" directives in third-party libraries.

    In the meantime, if you encounter specific issues with ReactBootstrap or PrimeReact when using React Server Components, it may be helpful to consult their documentation or reach out to the library maintainers for guidance on best practices or any workarounds they may suggest.I hope I could help you.

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