Type-safe SQL in Playwright tests: a compile-time FSM, a branded string, and zero leaked connections
The story behind @playwright-labs/fixture-sql, what problem it solves
typeScript
sql
+2•9 min read
Haradkou SDET
Vitali Haradkou
Software engineer in Test(SDET).
Certified Node.js Application Developer(JSNAD).
I am a SDET enginner and use typescript, node.js to solve every-day tasks!
I build some tools and experiment with new technologies/libraries and share in web!
Latest posts
I Built an Angular-Aware Playwright Selector Engine
The story behind @playwright-labs/selectors-angular — why I built it, how it works internally, and what problems it solves for Angular E2E testing.
angular
open-source
+2•6 min read
I Got Tired of Writing the Same Container Boilerplate, So I Packaged It
How @playwright-labs/fixture-testcontainers eliminates Docker lifecycle boilerplate in Playwright integration tests — and why real containers beat mocks.
testcontainers
docker
+2•6 min read
Modern TypeScript Decorators: TC39 Stage 3 - No More Reflect-Metadata!
Deep dive into modern TypeScript decorators with practical examples from a real Playwright testing framework. Learn about context.metadata, type inference, and why you should migrate from legacy decorators.
decorators
•12 min read
Option and Result in TypeScript: A Practical Guide to @rslike/std
How to replace null checks and invisible thrown errors with explicit Option<T> and Result<T,E> types from @rslike/std.
rust
errorhandling
+1•4 min read