Clean queue after sending

static/js/node_store.mjs

@@ -396,6 +396,23 @@ class SimpleNodeStore {
 			}
 		})
 	}//}}}
+	async delete(keys) {//{{{
+		const store = this.db
+			.transaction(['nodes', this.storeName], 'readwrite')
+			.objectStore(this.storeName)
+
+		const promises = []
+		for (const key of keys) {
+			const p = new Promise((resolve, reject)=>{
+				// TODO - implement a way to add an error to a page-global error log.
+				const request = store.delete(key)
+				request.onsuccess = (event)=>resolve(event)
+				request.onerror = (event)=>reject(event)
+			})
+			promises.push(p)
+		}
+		return Promise.all(promises)
+	}//}}}
 }
 
 // vim: foldmethod=marker