fix: prevent extraneous attributes warning for empty component blocks.

edison1105 · edison1105 · commit c298156bb1d2 · 2025-11-28T16:37:51.000+08:00
diff --git a/packages/runtime-vapor/src/component.ts b/packages/runtime-vapor/src/component.ts
@@ -410,7 +410,7 @@ export function setupComponent(
     const root = filterSingleRootElement(instance.block)
     if (root) {
       renderEffect(() => applyFallthroughProps(root, instance.attrs))
-    } else if (__DEV__ && isArray(instance.block)) {
+    } else if (__DEV__ && isArray(instance.block) && instance.block.length) {
       warnExtraneousAttributes(instance.attrs)
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -410,7 +410,7 @@ export function setupComponent(`
`410`	`410`	`const root = filterSingleRootElement(instance.block)`
`411`	`411`	`if (root) {`
`412`	`412`	`renderEffect(() => applyFallthroughProps(root, instance.attrs))`
`413`		`- } else if (__DEV__ && isArray(instance.block)) {`
	`413`	`+ } else if (__DEV__ && isArray(instance.block) && instance.block.length) {`
`414`	`414`	`warnExtraneousAttributes(instance.attrs)`
`415`	`415`	`}`
`416`	`416`	`}`