eventemitter3

EventEmitter3 focuses on performance while maintaining a Node.js AND browser compatible interface.

v5.0.1 URL: https://unpkg.com/eventemitter3@5.0.1/index.js

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EventEmitter EventEmitter2 EventEmitter3 Events addEventListener addListener emit emits emitter event once pub/sub publish reactor subscribe

eventemitter2

A feature-rich Node.js event emitter implementation with namespaces, wildcards, TTL, async listeners and browser/worker support.

v6.4.9 URL: https://unpkg.com/eventemitter2@6.4.9/lib/eventemitter2.js

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event events emitter eventemitter addEventListener addListener pub/sub emit emits on once publish subscribe

pubsub-js

Dependency free publish/subscribe library

v1.9.5 URL: https://unpkg.com/pubsub-js@1.9.5/src/pubsub.js

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pub/sub pubsub publish/subscribe publish subscribe

nanoevents

Simple and tiny (107 bytes) event emitter library

v9.1.0 URL: https://unpkg.com/nanoevents@9.1.0/index.js

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EventEmitter Events emit emitter event pub/sub publish reactor subscribe

centrifuge

JavaScript client SDK for bidirectional communication with Centrifugo and Centrifuge-based server from browser, NodeJS and React Native

v5.2.2 URL: https://unpkg.com/centrifuge@5.2.2/build/index.js

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websocket webtransport eventsource streaming sockjs centrifugo centrifuge pub/sub real-time