Update store.js

Co-Authored-By: Rich-Harris <richard.a.harris@gmail.com>
7 years ago · 44b61b1235
parent 2451bf5b57
commit 44b61b1235
1 changed files with 2 additions and 2 deletions
--- a/store.js
+++ b/store.js
@ -24,7 +24,7 @@ export function readable(start, value) {
 				if (index !== -1) subscribers.splice(index, 1);
 				if (subscribers.length === 0) {
-					stop();
+					stop && stop();
 					stop = null;
 				}
 			};
@ -85,4 +85,4 @@ export function derive(stores, fn) {
 			run_all(unsubscribers);
 		};
 	});
-}
+}