fix(slots): ignore slots that contains only whitespace (vuejs#10839)

ultravires · ultravires · commit 511db34757c0 · 2024-10-17T10:05:05.000+08:00
diff --git a/src/core/instance/render-helpers/resolve-slots.ts b/src/core/instance/render-helpers/resolve-slots.ts
@@ -39,6 +39,7 @@ export function resolveSlots(
   }
   // ignore slots that contains only whitespace
   for (const name in slots) {
+    if (!slots.hasOwnProperty(name)) continue;
     if (slots[name].every(isWhitespace)) {
       delete slots[name]
     }

Original file line number	Diff line number	Diff line change
`@@ -39,6 +39,7 @@ export function resolveSlots(`
`39`	`39`	`}`
`40`	`40`	`// ignore slots that contains only whitespace`
`41`	`41`	`for (const name in slots) {`
	`42`	`+ if (!slots.hasOwnProperty(name)) continue;`
`42`	`43`	`if (slots[name].every(isWhitespace)) {`
`43`	`44`	`delete slots[name]`
`44`	`45`	`}`