Lessons from open-source: Describe what your regex does with a commented example.

• Next.js

  2,044 120,572 10.0 JavaScript

  The React Framework

  

I came across a function named formatServerError(err) in create-error-handler.tsx imported from format-server-error.ts. Next.js has lib folder for helper functions and all these functions and files follow single responsibility principle, meaning files have functions that fit in the context and do one thing and one thing only. This makes the codebase modular and readable.

• SurveyJS

  surveyjs.io sponsored

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

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