two-point-five/provider-engine

Higher-order functions and common patterns for asynchronous code

Big number implementation in pure javascript

deep cloning of objects and arrays

A block tracker for the Ethereum blockchain. Keeps track of the latest block.

[json-rpc-engine](https://github.com/MetaMask/json-rpc-engine) middleware implementing ethereum filter methods. Backed by an [eth-block-tracker](https://github.com/MetaMask/eth-block-tracker) and web3 provider interface (`web3.currentProvider`).

Ethereum-related json-rpc-engine middleware.

A tool for processing JSON-RPC messages.

JSON RPC 2.0 Errors.

deterministic JSON.stringify() with custom sorting to get deterministic hashes from stringified results

extend like a boss

Babel compiler core.

A Babel preset for each environment.

TypeScript definitions for clone

TypeScript definitions for events

TypeScript definitions for node

TypeScript plugin for ESLint

An ESLint custom parser which leverages TypeScript ESTree

Babel browserify transform

browser-side require() the node way

tap-producing test harness for node and browsers

TypeScript execution environment and REPL for node.js, with source map support

TypeScript is a language for application scale JavaScript development