Why Your Cat Became a Dog (And TypeScript Finally Noticed)
Discover how JavaScript private fields change TypeScript from structural typing to nominal typing, creating hard boundaries between classes that look identical.
Tag: typescript
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How Intersection Types Replace Error Handling
Learn how to replace runtime validation with TypeScript intersection types for compile-time safety and cleaner code.
- · hands on
Never Review a Dependency Update Again
Set up a GitHub Actions workflow that automatically approves and merges Dependabot PRs when CI passes. Stop manually clicking merge on dependency updates.
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Never Miss a Switch Case Again
Learn how to make TypeScript catch missing switch cases at compile time using the exhaustive switch pattern with the never type.
- · hands on
Why You Should Use Locators Instead of Text in Your Tests
Learn why using semantic locators like data attributes and ARIA roles makes your tests more robust than text-based selectors. Discover best practices for writing frontend tests in TypeScript with Playwright.