TypeScript

Type safety, generics, decorators, and scaling TypeScript in large projects. Practical guides and tools at jsonparser.ai. Practical guides and tools at jsonparser.ai.

Apr 17, 2026·9 min read

What is TypeScript? A JavaScript Developer's Guide

TypeScript adds a static type system to JavaScript that catches an entire class of bugs before your code runs. Here's what it actually does, how it fits into a project, and the trade-offs worth knowing.

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Apr 17, 2026·11 min read

TypeScript Types — A Practical Reference

interfaces vs types, union types, generics, utility types (Partial, Pick, Omit), unknown vs any vs never, and type narrowing — the features you reach for every day, with real examples.

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Apr 17, 2026·10 min read

TypeScript Generics — A Practical Guide

Generics are how TypeScript lets you write reusable, type-safe code without falling back to any. This guide covers generic functions, interfaces, constraints, keyof, utility types, and a realistic typed API client pattern.

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