TypeScript
JavaScript with type safety for building reliable applications.
TypeScript is a strongly-typed superset of JavaScript developed by Microsoft. It adds static type checking, interfaces, generics, and advanced editor tooling to JavaScript, catching bugs at compile time instead of at runtime. TypeScript compiles down to plain JavaScript and runs everywhere JavaScript does.
Every GRADAX project uses TypeScript without exception. The upfront investment in type definitions pays for itself many times over through fewer bugs, faster refactoring, and better documentation. TypeScript integrates seamlessly with our stack, Next.js, React, Zod, and TanStack Table all have first-class TypeScript support.
What we use it for
- Full-stack web applications
- REST and GraphQL API development
- Large-scale enterprise applications
- Shared libraries and npm packages
- React component libraries with typed props
- Server-side Node.js services
What it gives us
- Static Type CheckingCatch type errors, null references, and incorrect API usage at compile time before they reach production.
- IDE IntegrationRich autocomplete, inline documentation, and automated refactoring support in VS Code and other editors.
- Interfaces & GenericsDefine reusable type contracts and build type-safe abstractions that work with any data shape.
- Gradual AdoptionIncrementally add types to existing JavaScript projects, no need for a full rewrite.
Questions we get asked
Does TypeScript slow down development?
Is TypeScript required for React projects?
Does TypeScript affect runtime performance?
Can TypeScript work with existing JavaScript libraries?
Not sure how this applies to you?
A senior engineer walks your site, your search presence and the way enquiries reach you, then writes down the three things worth fixing first. You keep the document either way.