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 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

TypeScript definitions for clone