explicit comparisons

2 years ago · 02d2bdac5c
parent 6ab3053b94
commit 02d2bdac5c
1 changed files with 7 additions and 4 deletions
--- a/packages/svelte/src/internal/client/reactivity/effects.js
+++ b/packages/svelte/src/internal/client/reactivity/effects.js
@ -382,10 +382,13 @@ export function unlink_effect(effect) {
 	var prev = effect.prev;
 	var next = effect.next;

-	if (prev) prev.next = next;
-	if (next) next.prev = prev;
-	if (parent && parent.first === effect) parent.first = next;
-	if (parent && parent.last === effect) parent.last = prev;
+	if (prev !== null) prev.next = next;
+	if (next !== null) next.prev = prev;
+
+	if (parent !== null) {
+		if (parent.first === effect) parent.first = next;
+		if (parent.last === effect) parent.last = prev;
+	}
 }

 /**