MVMargarita Vlachou

Notes

Daily learning log.

Short notes I write as I learn — bugs that bit me, patterns that stuck, and the occasional opinion. Filterable by tag.

Case Study: AI Job Search Copilot
A self-hosted dashboard for managing a job search — built to demonstrate production-grade React and Next.js engineering.
#Case Study#Next.js#TanStack Query#TypeScript
12 Jun 2026
Discriminated Unions Are the Best Part of TypeScript
Replacing optional flags with a discriminant property cleans up component props and unlocks exhaustive checks.
#TypeScript#Patterns
10 Jun 2026
Server Actions Quietly Killed My useState
Notes from porting an AI Job Copilot form to Server Actions — fewer hooks, simpler error states, real progressive enhancement.
#Next.js#React
04 Jun 2026
An Accessible Combobox in 80 Lines
Most combobox bugs come from missing aria-activedescendant. Here is the minimum set of ARIA you actually need.
#Accessibility#React
28 May 2026