Add support for Ditto

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Posts: Support posts filtering on recent Mastodon versions
 - Reactions: Support custom emoji reactions
 - Compatbility: Support Mastodon v2 timeline filters.
+- Compatbility: Preliminary support for Ditto backend.
 - Posts: Support dislikes on Friendica.
 - UI: added a character counter to some textareas.
 

app/soapbox/utils/features.ts

@@ -16,6 +16,12 @@ const overrides = custom('features');
 /** Truthy array convenience function */
 const any = (arr: Array<any>): boolean => arr.some(Boolean);
 
+/**
+ * Ditto, a Nostr server with Mastodon API.
+ * @see {@link https://gitlab.com/soapbox-pub/ditto}
+ */
+export const DITTO = 'Ditto';
+
 /**
  * Friendica, decentralized social platform implementing multiple federation protocols.
  * @see {@link https://friendi.ca/}
@@ -137,6 +143,7 @@ const getInstanceFeatures = (instance: Instance) => {
       v.software === PLEROMA && gte(v.version, '2.4.50'),
       v.software === TAKAHE && gte(v.version, '0.6.1'),
       v.software === TRUTHSOCIAL,
+      v.software === DITTO,
     ]),
 
     /**