nyaomaru

Funny frontend engineer 😸 Frontend engineer with 7+ years of experience, focusing on TypeScript, React, and Vue. 🚀

Heerlen, the Netherlands Joined on Apr 19, 2024 nyaonyao0725@gmail.com https://portfolio-nyaomaru.vercel.app/

Education

Ritsumeikan University

Pinned

nyaomaru

Nov 26

🧠 Understanding Variance in TypeScript & Flow: Covariant, Contravariant, Invariant, Bivariant

#typescript #javascript #react #beginners

10 min read

nyaomaru

Oct 15

Building Type Guards Like LEGO Blocks: Making Reusable Logic with is-kit

#typescript #programming #opensource #coding

4 min read

nyaomaru

Oct 8

My Favorite Frontend Setup Libraries (Project Foundation Edition)

#typescript #frontend #opensource #programming

4 min read

nyaomaru

Dec 31

2025: I Shipped 3 OSS Projects — “This Was Actually Fine”

#opensource #typescript #github #programming

5 min read

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nyaomaru

Dec 14

I Tried Reading React's Source Code and Flow Beat Me Up. So Let's Learn 🚀

#javascript #react #typescript #programming

5 min read

nyaomaru

Nov 30

Generate CHANGELOG.md Automatically 🤖

#ai #typescript #ci #opensource

3 min read

nyaomaru

Nov 9

Escaping the Forest of if Statements🌲: Building Logical Type Guards with `is-kit`

#tooling #tutorial #typescript #javascript

4 min read

nyaomaru

Oct 5

Build isXXX the Easy Way? Meet is-kit

#typescript #opensource #util #programming

2 min read

nyaomaru

Oct 3

Technical Debt Grows from “Just for Now” — A Real-World Code Walkthrough

#frontend #react #programming #typescript

9 min read

nyaomaru

Oct 2

How Does Technical Debt Pile Up? — Looking at “Just for Now” Examples (Structure Edition)

#frontend #vue #design #architecture

4 min read

nyaomaru

Oct 1

What the Heck is Technical Debt?

#programming #softwaredevelopment #development #frontend

5 min read

nyaomaru

Sep 30

Introducing `divider`: A Handy Utility to Split Strings and Arrays ✂️

#typescript #javascript #opensource #util

4 min read

nyaomaru

Sep 29

Building a Portfolio Site with FSD LangChain Remix AI

#tutorial #ai #architecture #webdev

4 min read

nyaomaru

Sep 28

Let’s Learn Feature-Sliced Design (FSD)

#architecture #design #tutorial #frontend

4 min read

DEV Community

nyaomaru

Badges

Writing Debut

One Year Club

GitHub Repositories

Skills/Languages

Currently learning

Currently hacking on

Available for

Pinned

🧠 Understanding Variance in TypeScript & Flow: Covariant, Contravariant, Invariant, Bivariant

Building Type Guards Like LEGO Blocks: Making Reusable Logic with is-kit

My Favorite Frontend Setup Libraries (Project Foundation Edition)

2025: I Shipped 3 OSS Projects — “This Was Actually Fine”

Want to connect with nyaomaru?

I Tried Reading React's Source Code and Flow Beat Me Up. So Let's Learn 🚀

Generate CHANGELOG.md Automatically 🤖

Escaping the Forest of if Statements🌲: Building Logical Type Guards with `is-kit`

Build isXXX the Easy Way? Meet is-kit

Technical Debt Grows from “Just for Now” — A Real-World Code Walkthrough

How Does Technical Debt Pile Up? — Looking at “Just for Now” Examples (Structure Edition)

What the Heck is Technical Debt?

Introducing `divider`: A Handy Utility to Split Strings and Arrays ✂️

Building a Portfolio Site with FSD LangChain Remix AI

Let’s Learn Feature-Sliced Design (FSD)