A collection of essential TypeScript types

Type-safe implementation of EventEmitter for browser and Node.js

Better typed `querySelector` and `querySelectorAll`.

The missing standard library for TypeScript, for writing production-grade software.

Polyfill of future proposal for `util.parseArgs()`

A stricter URI encode adhering to RFC 3986

GraphQL Semantic Output Conversion Kit - converts a cutting edge SDL file that supports semantic nullability into a more traditional SDL file legacy tools can support.

Normalizes data that can be found in package.json files.

TypeScript definitions for webpack-env

Typescript tools that help with migration to the strict mode

A blazing-fast equality comparison utility for a variety of use-cases

allows easy type enforcement for all JS types objects and classes. it is also extensible and provides simple to use type checks for your own custom classes and types

request body parsing for co

recursively Object.freeze() objects and functions, works in strict mode

Various operations on Uint8Array data

Strict TypeScript and Flow types for style based on MDN data

TypeScript definitions for deep-freeze-strict

Default TypeScript configuration for React Native apps

ECMAScript scope analyzer for ESLint

Flowtype linting rules for ESLint by flow-typed