Question 1

How to use onfire.js for cross-component communication in React?

Accepted Answer

Create an instance of onfire.js and use it to emit and listen for events between components. This avoids prop drilling by allowing parent and child components to communicate via events, as shown in the README's usage examples for subscription and dispatching.

Question 2

onfire.js vs EventEmitter3: which is better for performance?

Accepted Answer

onfire.js is ultra-lightweight at ~500b, while EventEmitter3 is also small but offers more features. If absolute minimal bundle size is critical, onfire.js wins; if you need advanced event handling with slightly more overhead, EventEmitter3 might be better.

Question 3

Can onfire.js handle asynchronous event listeners?

Accepted Answer

No, onfire.js fires events synchronously; listeners are called immediately when fire is invoked. For asynchronous operations, developers must wrap callbacks in promises or use async/await manually within the listener functions.

Question 4

What are the alternatives to onfire.js for event emitters?

Accepted Answer

Alternatives include Mitt, EventEmitter3, and framework-specific solutions like Vue's event bus. onfire.js is best for extreme minimalism, whereas others balance more features with a slightly larger size, depending on project needs.

Question 5

How to remove all event listeners in onfire.js?

Accepted Answer

There is no built-in method to clear all events at once. You must call off for each event name or manage listeners manually, as the API only supports off(eventName) or off(eventName, callback) for targeted removal.

Question 6

Does onfire.js support event namespaces or wildcards?

Accepted Answer

No, it only supports simple string event names without namespaces or wildcard patterns, limiting flexibility for complex event hierarchies compared to libraries with more advanced matching capabilities.

onfire.js

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