Delete posts

source/activities.js

@@ -298,6 +298,15 @@ export class Activities {
     return this.postActivity(activity)
   }
 
+  delete (activity) {
+    return this.postActivity({
+      type: 'Delete',
+      actor: this.actor.id,
+      object: typeof activity === 'string' ? activity : activity.id,
+      to: activity.to
+    })
+  }
+
   follow (targetId) {
     return this.postActivity({
       type: 'Follow',
@@ -400,7 +409,7 @@ export class Activities {
     return this.postActivity({
       type: 'Undo',
       actor: this.actor.id,
-      object: activity.id,
+      object: typeof activity === 'string' ? activity : activity.id,
       to: activity.to
     })
   }

source/client.js

@@ -410,6 +410,22 @@ export class ImmersClient extends window.EventTarget {
     return this.activities.note(DOMPurify.sanitize(content), to, privacy)
   }
 
+  /**
+   * Delete  user's avatar from their Avatar Collection.
+   * @param  {(object|string)} sourceActivity - IRI of activity or Activity in the Outbox
+   * @returns {Promise<string>} IRI of the remove activity
+   */
+  async deleteMessage (sourceActivity) {
+    switch (sourceActivity.type.toLowerCase()) {
+      case 'arrive':
+        return this.activities.undo(sourceActivity)
+      case 'leave':
+        return this.activities.undo(sourceActivity)
+      case 'create':
+        return this.activities.delete(sourceActivity)
+    }
+  }
+
   /**
    * Upload and/or share an image.
    * When image is a canvas element, its toBlob method is used to generate a