ypresto

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Yuya Tanaka ypresto

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Working from home

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Software Engineer / UX Designer. LayerX (Japan), ex-codeTakt, ex-freelance, ex- mixi, Inc. yuya.presto@

257 followers · 241 following

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ypresto/README.md

ypresto 💻👶🧑‍🍳🌈

I'm full stack software engineer and designer with 10+ years experience, especially focused on frontend development.

🌏 Web Frontend: 10+ years (React, Vue 1.x)
📱 Android/iOS: 4+ years
⚙️ Backend: 7+ years
🎨 UX Design: 3+ years
🏠 Remote Work: 5+ years

Works

入りやすい保育園マップ (nursery school map visualizes admission difficulty) which is a finalist of OpenData Hackathon held by Tokyo Metropolitan Government. With @sagaraya.
See pinned repo and Qiita.

Notable OSS Contributions

Currently I'm working on TypeScript Compiler and MUI type check performance. mui/material-ui#27381
10x speed up on slow path in TypeScript type checker, affects MUI and emotion. microsoft/TypeScript#45195
Reported a bug in Xamarin.Forms which caused possible data-loss in COCOA (COVID-19 Contact-Confirming Application). xamarin/Xamarin.Forms#13676
Fix performance issue in Node.js child_process, improved 2x-4x nodejs/node#10557
Added RuboCop rules to check unexpected return in interator rubocop/rubocop#1728
See public pull requests.
Notable StackOverflow answer: "JavaScript: How come map.has is so much faster than set.has and array.indexOf?" (dive into V8 code) https://stackoverflow.com/a/69338420/1474113

Pinned Loading

LayerXcom/next-navigation-guard LayerXcom/next-navigation-guard Public

Cancel page navigation in Next.js, like Nuxt's Navigation Guard feature.

TypeScript 504 30
Hooks to mitigate calling setState f... Hooks to mitigate calling setState from useEffect/useLayoutEffect. Zero-rerender on hook value change. See useOverrideValue.ts first. https://zenn.dev/ypresto/articles/02f7adcb7c57b4
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import { useRef } from 'react'
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import { useIsomorphicLayoutEffect } from './useIsomorphicLayoutEffect'
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/**
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* Hook that its return value increments when the flag is changed to true.
vscode-intelli-refactor vscode-intelli-refactor Public

Smartly select range for refactoring under cursor. Use with VSCode Insiders.

TypeScript 14 1
SwiftLintXcode SwiftLintXcode Public

An Xcode plug-in to format your code using SwiftLint.

Swift 354 15
android-transcoder android-transcoder Public

MP4 video transcode using Android MediaCodec API, pure Java (not LGPL nor patent issue!). Supports API >= 18.

Java 849 240
qtfaststart-java qtfaststart-java Public

qt-faststart (make mp4 file streamable) in Java, MIT licensed.

Java 74 16