feat: relation field and picker

web/src/lib/entryValue.ts

@@ -57,3 +57,13 @@ export function freeSentinel(taken: string[], base = '__none__') {
 	}
 	return sentinel
 }
+
+export function sameValue(left: unknown, right: unknown) {
+	if (Array.isArray(left) && Array.isArray(right)) {
+		return (
+			left.length === right.length &&
+			left.every((item, index) => Object.is(item, right[index]))
+		)
+	}
+	return Object.is(left, right)
+}