Writing from the workshop
123 articles on the parts that actually hurt.
Next.js Parallel & Intercepting Routes: Modals Done Right
How Next.js parallel routes (@slot) and intercepting routes ((.), (..), (...)) combine to build shareable, refreshable modals — verified against Next.js 16.3.
Sep 15, 2026 · 14 min
The Star Rating That Never Reaches Your Server
A custom <star-rating> element sits inside a <form>, looks like a form field, and gets left out of the submission entirely. The browser has a real fix for this — most teams reach for a hack instead.
Sep 15, 2026 · 4 min
Vue nextTick Explained: How DOM Updates Are Batched
How Vue batches reactive writes into one DOM update, why the DOM looks stale right after a change, and how nextTick and watch's flush option fix it.
Sep 14, 2026 · 12 min
The 'Read Aloud' Button That Only Works on the Second Click
A text-to-speech button that works perfectly every time you test it — and silently fails or picks the wrong voice for a real visitor's first click. The bug is a timing race baked into the Web Speech API that most code never accounts for.
Sep 14, 2026 · 5 min
useAsyncData Keys in Nuxt: Caching, Dedupe & the Sharing Bug
Learn how Nuxt's useAsyncData and useFetch generate cache keys, how dedupe (cancel vs defer) really works, and why wrapper composables silently share data.
Sep 13, 2026 · 14 min
The Search Highlight That Deletes Your Selection
A search-highlight feature that rebuilds its DOM on every keystroke can wipe out a user's own text selection with no warning. The CSS Custom Highlight API fixes it by styling text ranges without ever touching a DOM node.
Sep 13, 2026 · 6 min
My .catch() Never Ran. The Bug Was Two Lines Above It
A function that sometimes throws synchronously instead of returning a promise will skip every .catch() chained to it — because the promise never gets created. Promise.try() fixes it, and does one thing try/catch can't.
Sep 13, 2026 · 5 min
NestJS Module Encapsulation Explained (with Cheat Sheet)
How NestJS module boundaries actually work: what exports really cross, why @Global() isn't a shortcut, and how forwardRef breaks circular module dependencies.
Sep 13, 2026 · 14 min
NestJS Dependency Injection Explained (with Cheat Sheet)
How the NestJS DI container resolves providers: tokens, module scope, singleton vs request vs transient, and why 'singleton' can still mean two instances.
Sep 13, 2026 · 14 min
Stop Regex-Parsing document.cookie. Use CookieStore
document.cookie hands you one flat string and no way to know when it changes. The Cookie Store API gives you async get/set/delete and a change event — but its set() defaults to a stricter SameSite than the one you're used to.
Sep 13, 2026 · 5 min
addDays() Mutated a Date Three Components Away From Where I Called It
A date utility that calls .setDate() and returns the same object looks pure. It isn't — Date is mutable, so the caller and everyone else holding that reference get changed out from under them. Temporal, now shipping in real browsers, fixes it by making dates immutable.
Sep 12, 2026 · 5 min
React Form Actions: useActionState & useFormStatus Guide
How React 19 form Actions manage pending state automatically — useActionState, useFormStatus, and useOptimistic explained with the bug they replace.
Sep 12, 2026 · 13 min