The Matrix JavaScript SDK is a full‑featured client library for the Matrix open‑standard messaging protocol, written in TypeScript/JavaScript and usable in browsers or Node.js. It abstracts the Matrix client‑server API, handling syncing, room and user state, message sending (with local echo, retries and pagination), presence, typing indicators, WebRTC calls and optional end‑to‑end encryption via the Rust‑crypto WASM bindings, making it the core building block for Matrix‑based apps such as Element’s web and desktop clients.
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Support the dependencies of matrix-org/matrix-js-sdk
babel's modular runtime helpers
WebAssembly bindings of the matrix-sdk-crypto encryption library
Encode compact, canonical JSON.
Base 58 encoding / decoding
Decode JWT tokens, mostly useful for browser applications.
Minimal lightweight logging for JavaScript, adding reliable log level methods to any available console.log methods
JS/TS SDK for interacting with Matrix events
Matrix Widget API SDK
OpenID Connect (OIDC) & OAuth2 client library
RFC9562 UUIDs
Validator for GitHub action and workflow YAML files
Validator for GitHub action and workflow YAML files
Babel command line.
Babel compiler core.
ESLint parser that allows for linting of experimental syntax transformed by Babel
Companion rules for @babel/eslint-parser
Compile class and object decorators to ES5
This plugin transforms static class properties as well as properties declared with the property initializer syntax
Remove numeric separators from Decimal, Binary, Hex and Octal literals
Compile object rest and spread to ES5
Externalise references to helpers and builtins, automatically polyfilling your code without polluting globals
A Babel preset for each environment.
Babel preset for TypeScript.
Vitest wrapper for fetch-mock
A WebCrypto Polyfill for NodeJS
TypeScript definitions for content-type
TypeScript definitions for debug
TypeScript definitions for node
TypeScript definitions for sdp-transform
TypeScript plugin for ESLint
An ESLint custom parser which leverages TypeScript ESTree
V8 coverage provider for Vitest
UI for Vitest
Lightweight debugging utility for Node.js and the browser
This plugin adds `TypeScript` support to `eslint-plugin-import`
Import with sanity.
JSDoc linting rules for ESLint.
ESLint rules and configs used by Matrix.org projects
Support the repos that depend on this repository
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