CMake VS module-concat

• Cross-platform support
  CMake is designed to support multiple operating systems including Windows, macOS, and Linux. This allows developers to write platform-independent CMake scripts.
• Build tool agnostic
  CMake can generate build files for a variety of build systems including Makefiles, Ninja, and Visual Studio solutions. This means developers are not tied to a specific build tool.
• Large community and extensive documentation
  CMake has a large user base and an extensive amount of documentation and tutorials available which can be helpful for new and experienced users alike.
• Integrated testing support
  CMake includes support for testing frameworks such as CTest, which allows for automated testing of code during the build process.
• Modular and scalable
  CMake is highly modular, enabling users to create reusable and maintainable code by organizing CMake scripts into libraries and modules.

Possible disadvantages

• Steep learning curve
  CMake's complexity and its extensive range of features can be difficult for beginners to grasp, leading to a steep learning curve.
• Verbose syntax
  CMake scripts can often become verbose and difficult to read, especially for large projects. This can make maintenance and debugging challenging.
• Inconsistent module quality
  The quality and support of different CMake modules can vary, sometimes leading to issues with compatibility or functionality.
• Performance overhead
  CMake may introduce some performance overhead during the configuration process, especially for very large projects.
• Complexity in advanced features
  Some of the more advanced features of CMake, such as custom commands and complex dependency management, can be quite difficult to implement correctly.

• Performance Improvement
  By concatenating CommonJS modules, module-concat reduces the overhead associated with requiring multiple small files, thereby improving the runtime performance of Node.js applications.
• Simplified Deployment
  With fewer files to manage, deployment becomes more straightforward. This can result in faster deployment times and potentially fewer errors during the deployment process.
• Reduced Disk I/O
  By merging multiple modules into a single file, the number of file reads decreases, leading to reduced disk I/O which can enhance performance, especially on systems with slower storage.

Possible disadvantages

• Debugging Challenges
  Debugging concatenated files may become more difficult, as the original module boundaries are lost, making it harder to track down which original module a piece of code belongs to.
• Lack of Granularity
  Concatenated modules reduce the ability to apply specific transformations or optimizations to individual modules, as they are treated as a single unit.
• Potential for Larger Bundle Size
  If not carefully managed, the concatenated file can become large, including code for modules that may not be necessary, as the process does not inherently tree-shake or eliminate unused code.
• Complexity in Module Resolution
  Certain Node.js features or module resolution strategies might not be compatible with the concatenated outputs, complicating development workflows.

CMake for Dummies

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  For knowledge in this aspect, you can refer to the relevant documents of the CMake build tool: https://cmake.org/. - Source: dev.to / almost 2 years ago

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Tracking module-concat since Mar 2021.