Handle post deletions by removing from active views (close #37)

src/state/models/post-thread-view.ts

@@ -173,6 +173,7 @@ export class PostThreadViewPostModel {
       did: this.post.author.did,
       rkey: new AtUri(this.post.uri).rkey,
     })
+    this.rootStore.emitPostDeleted(this.post.uri)
   }
 }
 
@@ -229,6 +230,14 @@ export class PostThreadViewModel {
     }
   }
 
+  /**
+   * Register any event listeners. Returns a cleanup function.
+   */
+  registerListeners() {
+    const sub = this.rootStore.onPostDeleted(this.onPostDeleted.bind(this))
+    return () => sub.remove()
+  }
+
   /**
    * Reset and load
    */
@@ -246,6 +255,13 @@ export class PostThreadViewModel {
     this._load()
   }
 
+  /**
+   * Refreshes when posts are deleted
+   */
+  onPostDeleted(_uri: string) {
+    this.refresh()
+  }
+
   // state transitions
   // =