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1. By Bartosz ŁaniewskiApril 05, 2024 • 6 min read • JavaScript, Architecture

   Why you should avoid Barrel Files in JavaScript Modules?

   Barrel files consolidate the exports of multiple modules into a single file. We use them to import a module using a single import statement without…

2. By Bartosz ŁaniewskiNovember 19, 2023 • 4 min read • JavaScript, TypeScript

   API Response validation with Zod

   When implementing applications, we often need to communicate with external services via APIs. In such cases, it’s crucial to ensure that the data received…

3. By Bartosz ŁaniewskiMay 12, 2018 • 3 min read • JavaScript, Flow, npm

   How to export Flow definitions in npm packages?

   More than 240 000 repositories on GitHub use Flow, but only a few export Flow definitions. In this article, I’ll show you how to export Flow definitions…

4. By Bartosz ŁaniewskiApril 28, 2018 • 9 min read • JavaScript, npm

   How to publish a Tree Shaking friendly npm package?

   With the rise of ES2015, modules have officially become an integral part of JavaScript. By their nature, ES2015 modules are static and can be optimized at…