Various JavaScript / TypeScript utilities of wide relevance to the MetaMask codebase.
TypeScript
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Support the dependencies of metamask/utils
Audited & minimal 0-dependency JS implementation of SHA, RIPEMD, BLAKE, HMAC, HKDF, PBKDF & Scrypt
Secure, audited & 0-dep implementation of base64, bech32, base58, base32 & base16
TypeScript definitions for debug
Lightweight debugging utility for Node.js and the browser
Ponyfill and helpers for Error Causes
The semantic version parser used by npm.
RFC9562 UUIDs
TypeScript definitions for jest
TypeScript definitions for node
TypeScript definitions for uuid
TypeScript plugin for ESLint
An ESLint custom parser which leverages TypeScript ESTree
Check dependencies in your node module
Import with sanity.
ESLint rules for Jest
JSDoc linting rules for ESLint.
Additional ESLint's rules for Node.js
Runs prettier as an eslint rule
Enforce best practices for JavaScript promises
Delightful JavaScript Testing.
Prettier package.json plugin to make the order of properties nice.
A Jest transformer with source map support that lets you use Jest to test projects written in TypeScript
TypeScript execution environment and REPL for node.js, with source map support
Create api documentation for TypeScript projects.
TypeScript is a language for application scale JavaScript development
Implementation of the various Ethereum Transaction Types
A simple and composable way to validate data in JavaScript (and TypeScript).
A tool for running only the dependency lifecycle hooks specified in an allowlist.
Shareable MetaMask ESLint config.
Utilities for validating and updating "Keep a Changelog" formatted changelogs
Shareable MetaMask ESLint config for Jest.
Shareable MetaMask ESLint config for Node.js.
Shareable MetaMask ESLint config for TypeScript.
Bridge the gap between ES modules and CommonJS modules with an easy-to-use alternative to `tsc`.
TypeScript definitions for jest-when
CommonJS and ES Modules shims for TS Bridge.
Automatically bump up global Jest thresholds whenever coverage goes above them
An extension lib for jest
Mock Command Line Applications
Support the repos that depend on metamask/utils
A few useful functions for signing ethereum data
TypeScript types for developing MetaMask Snaps.
A library containing the core functionality for building MetaMask Snaps
A JavaScript Ethereum provider that connects to the wallet over a stream
An interface over BIP-32 and BIP-39 key derivation paths
A block tracker for the Ethereum blockchain. Keeps track of the latest block.
Ethereum-related json-rpc-engine middleware.
Provides scaffolding for controllers as well a communication system for all controllers
Ethereum RPC and Provider errors
A small toolset for streaming JSON-RPC data and matching requests and responses.
MetaMask Keyring API
Data and convenience functions shared by multiple packages
A collection of utilities for MetaMask Snaps
A CLI for developing MetaMask Snaps
A simple browserifiable module for password-encrypting JS objects.
A tool for processing JSON-RPC messages
Sets up a duplex object stream over window.postMessage
Create an Ethereum provider using a JSON-RPC engine or middleware
Lightweight utilities for encoding and decoding Solidity ABI
Provides scaffolding for controllers as well a communication system for all controllers
Ethereum-related json-rpc-engine middleware.
A simple standard interface for a seed phrase generated set of Ethereum accounts.
A simple standard interface for a series of Ethereum private keys.
Provides an interface to the currently selected network via a MetaMask-compatible provider object
MetaMask Keyring utils
Mediates access to JSON-RPC methods, used to interact with pieces of the MetaMask stack, via middleware for json-rpc-engine
Data and convenience functions shared by multiple packages
Polling Controller is the base for controllers that polling by networkClientId
Controllers for MetaMask Snaps
Manages requests that require user approval
Venly enabled Web3 Provider for the web
A Jest preset for end-to-end testing MetaMask Snaps, including a Jest environment, and a set of Jest matchers
MetaMask Snap RPC method implementations.
Controllers for MetaMask Snaps.
A module for managing various keyrings of Ethereum accounts, encrypting them, and using them
Top contributors
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46 contributions
Mrtenz
31 contributions
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dependabot[bot]
27 contributions
mcmire
10 contributions
rekmarks
9 contributions
FrederikBolding
9 contributions
Gudahtt
9 contributions
legobeat
8 contributions
mikesposito
6 contributions
ccharly
5 contributions
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