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@sanity/eventsource

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@sanity/eventsource

EventSource polyfill for browser and node.js

  • 5.0.2
  • latest
  • Source
  • npm
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Version published
Weekly downloads
326K
increased by6.83%
Maintainers
48
Weekly downloads
 
Created

What is @sanity/eventsource?

@sanity/eventsource is a JavaScript library that provides a polyfill for the EventSource API, which is used for receiving server-sent events (SSE). This package allows you to establish a persistent connection to a server and receive updates in real-time, making it useful for applications that require live data updates, such as chat applications, live feeds, or notifications.

What are @sanity/eventsource's main functionalities?

Establishing a Connection

This feature allows you to establish a connection to a server that sends events. The code sample demonstrates how to create a new EventSource instance and listen for incoming messages.

const EventSource = require('@sanity/eventsource');
const es = new EventSource('http://example.com/events');
es.onmessage = function(event) {
  console.log('New message:', event.data);
};

Handling Different Event Types

This feature allows you to listen for specific types of events sent by the server. The code sample shows how to add an event listener for a custom event type.

const EventSource = require('@sanity/eventsource');
const es = new EventSource('http://example.com/events');
es.addEventListener('customEvent', function(event) {
  console.log('Custom event received:', event.data);
});

Handling Connection Errors

This feature allows you to handle errors that occur during the connection. The code sample demonstrates how to set up an error handler for the EventSource instance.

const EventSource = require('@sanity/eventsource');
const es = new EventSource('http://example.com/events');
es.onerror = function(event) {
  console.error('Error occurred:', event);
};

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Package last updated on 22 Apr 2024

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