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Code Craft

Building Blocks That Fit Together

Modules are promises. Keep them small, honest and easy to replace.

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By Codeo

April 11, 2025 · 9 min read · Advanced

A module is a promise about what stays stable and what may change. Design the seam first and the parts will fit.

  • Expose the smallest surface that makes the module useful.
  • Hide the decision you expect to regret.
  • A dependency you can delete in an afternoon is not a dependency.
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