Feb 12 · 6 min read · tsup TypeScript Bundler: Bundle Library Code Fast The Build That Took 20 Minutes (Now Takes 30 Seconds) Our CI pipeline was killing productivity. Then we switched build tools. Here's what happened. Table of Contents Modern Build Tools 2026 Architect...
Join discussionJul 9, 2025 · 3 min read · Why Packaging Still Breaks in 2025? Despite being two decades into Node.js, publishing a library that works across CommonJS (CJS), ECMAScript Modules (ESM), TypeScript, and bundlers is still confusing. Why? Because: Node.js evolved from CJS to ESM g...
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Jun 14, 2025 · 2 min read · In this article, we will review loadJson function in Tsup source code. We will look at: loadJson function definition. jsoncParse function definition. Where is loadJson invoked? loadJson function definition At line 10, in a file named load.ts, i...
Join discussionJun 13, 2025 · 2 min read · In this article, we will review how to load your config file regardless what module format it is, using bundle-require. What is bundle-require? bundleRequire usage in Tsup source code. What is bundle-require? Projects like Vite need to load conf...
Join discussionJun 12, 2025 · 2 min read · In this article, we will review ensureArray function in Tsup source code. We will look at: ensureArray function definition. Where is ensureArray function invoked? ensureArray function definition You will find the below code in cli-main.ts in Tsu...
Join discussionJun 12, 2025 · 2 min read · In this article, we will review how Tsup loads your tsup.config.ts file. We will look at: What is Joycon? Joycon usage in Tsup. How tsup.config.ts is loaded? What is joycon? JoyCon is zero-dependency but feature-complete. Install npm install jo...
Join discussionJun 12, 2025 · 2 min read · In this article, we will review cac — command and conquer, a JavaScript library for building cli apps. What is cac package? cac usage in Tsup. What is cac package? Command and conquer is a JavaScript library for building cli apps. Features Supe...
Join discussionDec 9, 2024 · 3 min read · 계기 리액트 프론트엔드 프로젝트에 참여해서 캘린더 컴포넌트를 작성했던 적이 있었다. 외부 라이브러리로 제공되는 캘린더 컴포넌트는 디자인을 변경하거나 라이브러리에 없는 필요한 기능을 추가하는데 시간이 많이 소요됐던 적이 있었다. 디자인에 관계없이 캘린더 기능을 제공해주는 리액트 훅이 있었으면 좋겠다고 생각했다. 깃허브에서 찾아볼 수 있는 라이브러리 저장소는 여러 패키지로 이뤄진 단일 저장소로 구성되어있는 경우가 많았다. 실제 라이브러리 예시 ...
Join discussionSep 8, 2022 · 10 min read · Thinking of the vast frontend ecosystem, for the most part, I don’t need to implement stuff on my own. The majority of the time, I google a particular problem and most of the time I find a library or stack-overflow answer, Bingo. But there are times ...
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