nodebb-plugin-ns-embed/plugin/constants.js

Embed media and rich content in posts: youtube, vimeo, twitch etc. All embeds are based on the rules. You are encouraged to build your own rules to embed everything what is embeddable.

module.exports = Object.freeze({
    'COUNTER'         : 'nextNsEmbedRule',
    'NAMESPACE'       : 'ns:embed',
    'SOCKET_NAMESPACE': 'ns-embed'
});