Leveraging Microfrontends for Scalable JavaScript Applications

{
  "title": "Leveraging Microfrontends for Scalable JavaScript Applications",
  "description": "Strategies for adopting microfrontend architecture using tools like Webpack's Module Federation to build modular and scalable JavaScript applications.",
  "category": "JavaScript Cursor Rules",
  "rules": [
    {
      "id": "microfrontend-architecture",
      "description": "Implement microfrontend architecture to enable independent development and deployment of application modules.",
      "recommendation": "Utilize Webpack's Module Federation to create separate builds for each microfrontend, allowing them to be developed and deployed individually. ([medium.com](https://medium.com/ama-tech-blog/mastering-microfrontends-with-webpack-module-federation-eec613ea797a?utm_source=openai))"
    },
    {
      "id": "module-federation-setup",
      "description": "Configure Webpack's Module Federation Plugin to expose and consume modules across microfrontends.",
      "recommendation": "In each microfrontend's Webpack configuration, use the ModuleFederationPlugin to define 'name', 'filename', 'exposes', 'remotes', and 'shared' properties appropriately. ([abkedia.medium.com](https://abkedia.medium.com/beginners-guide-to-module-federation-0e4cb77a800e?utm_source=openai))"
    },
    {
      "id": "shared-dependencies",
      "description": "Share common dependencies between microfrontends to reduce duplication and ensure consistency.",
      "recommendation": "Specify shared dependencies in the ModuleFederationPlugin configuration, ensuring they are marked as singletons to avoid multiple instances. ([angulararchitects.io](https://www.angulararchitects.io/blog/the-microfrontend-revolution-part-2-module-federation-with-angular/?utm_source=openai))"
    },
    {
      "id": "dynamic-loading",
      "description": "Dynamically load microfrontend modules to improve application performance.",
      "recommendation": "Use dynamic imports (e.g., React.lazy) to load remote components only when needed, reducing initial load time. ([abkedia.medium.com](https://abkedia.medium.com/beginners-guide-to-module-federation-0e4cb77a800e?utm_source=openai))"
    },
    {
      "id": "consistent-naming",
      "description": "Maintain consistent naming conventions for modules to avoid conflicts and improve maintainability.",
      "recommendation": "Use clear and consistent names for microfrontends and their exposed modules to facilitate easier integration and debugging. ([smashingtips.com](https://smashingtips.com/programming/mastering-webpack-module-federation-comprehensive-guide-modern-application-development/?utm_source=openai))"
    },
    {
      "id": "versioning-strategy",
      "description": "Implement a versioning strategy for shared modules to prevent compatibility issues.",
      "recommendation": "Define required versions for shared dependencies in the ModuleFederationPlugin configuration to ensure all microfrontends use compatible versions. ([smashingtips.com](https://smashingtips.com/programming/mastering-webpack-module-federation-comprehensive-guide-modern-application-development/?utm_source=openai))"
    },
    {
      "id": "security-measures",
      "description": "Apply security measures when loading remote modules to protect against potential threats.",
      "recommendation": "Configure Content Security Policy (CSP) headers and Cross-Origin Resource Sharing (CORS) policies to control the sources from which modules can be loaded. ([written.dev](https://written.dev/post/building-micro-frontends-with-module-federation/?utm_source=openai))"
    },
    {
      "id": "testing-strategy",
      "description": "Develop a comprehensive testing strategy to ensure the reliability of microfrontends.",
      "recommendation": "Implement integration and end-to-end tests to verify the correct functioning of microfrontends within the host application. ([written.dev](https://written.dev/post/building-micro-frontends-with-module-federation/?utm_source=openai))"
    }
  ]
}