@dokieli/notifications

W3C Linked Data Notifications (LDN) implementation of Sender and Consumer roles, and implements Activity Vocabulary and Activity Streams 2.0 (AS2) compacted JSON-LD, with support for HTML+RDFa serialization. The library allows clients to use their own parsers and own notification payloads.

• Code of Conduct
• Contributing Guide
• API Reference
• Security Policy

License

• Source code is licensed under the Apache License, Version 2.0.
• Unless otherwise noted, images and other media assets are licensed under the Creative Commons Attribution 4.0 International.

Installation

npm install @dokieli/notifications

or

yarn install @dokieli/notifications

import { createNotification, serializeNotificationToJSONLD, serializeNotificationToHTML, sendNotification } from '@dokieli/notifications';

const notification = createNotification({
  type: 'Announce',
  actor: { id: 'https://example.org/profile#me', name: 'Virginia' },
  object: 'https://example.org/annotations/1',
  target: 'https://example.org/article'
});

const jsonld = serializeNotificationToJSONLD(notification);
const html = serializeNotificationToHTML(notification);

/* Discovers the target's inbox, negotiates via Accept-Post, serializes, POSTs */
const result = await sendNotification('https://example.org/article', notification);

import { getNotifications } from '@dokieli/notifications';

for await (const { iri, notification } of getNotifications('https://example.org/inbox/')) {
  console.log(iri, notification?.type);
}

Documentation

See API Reference and Examples.

Features

• Built-in inbox discovery for ldp:inbox (LDN) and as:inbox (ActivityPub), or client-preferred inbox property.
• Sending server-supported media types for notifications by checking Accept-Post.
• Support for reading inbox items via ldp:contains and as:items, and AS2 pagination.
• Activity Streams 2.0 notification model, serialized to JSON-LD and HTML+RDFa.
• Embedding caller-supplied object payloads verbatim (JSON-LD or HTML+RDFa).
• Authentication left to the caller via an injected fetch.
• Built-in JSON-LD processing.
• Support for reading additional serializations via a caller-supplied parser.

Specifications

• W3C Linked Data Notifications
• W3C Activity Streams 2.0
• W3C Activity Vocabulary

Supported By

• This project was funded by NLnet (2025-09–2026-08) as part of NLnet Dokieli Collaborative.

Support the project

Help the project grow by sponsoring it on Open Collective or reach out to us.