refactor: optimize attrs

Author: sxzz

packages/runtime-vapor/src/componentAttrs.ts

@@ -7,18 +7,19 @@ export function patchAttrs(instance: ComponentInternalInstance) {
   const options = instance.propsOptions[0]
 
   const keys = new Set<string>()
-  for (const props of Array.from(instance.rawProps).reverse()) {
-    if (isFunction(props)) {
-      const resolved = props()
-      for (const rawKey in resolved) {
-        registerAttr(rawKey, () => resolved[rawKey])
-      }
-    } else {
-      for (const rawKey in props) {
-        registerAttr(rawKey, props[rawKey])
+  if (instance.rawProps.length)
+    for (const props of Array.from(instance.rawProps).reverse()) {
+      if (isFunction(props)) {
+        const resolved = props()
+        for (const rawKey in resolved) {
+          registerAttr(rawKey, () => resolved[rawKey])
+        }
+      } else {
+        for (const rawKey in props) {
+          registerAttr(rawKey, props[rawKey])
+        }
       }
     }
-  }
 
   for (const key in attrs) {
     if (!keys.has(key)) {

packages/runtime-vapor/src/componentProps.ts

@@ -91,8 +91,8 @@ export function initProps(
 
   const [options] = instance.propsOptions
 
+  const hasDynamicProps = rawProps.some(isFunction)
   if (options) {
-    const hasDynamicProps = rawProps.some(isFunction)
     if (hasDynamicProps) {
       for (const key in options) {
         const getter = () =>
@@ -121,9 +121,13 @@ export function initProps(
     validateProps(rawProps, props, options || {})
   }
 
-  baseWatch(() => patchAttrs(instance), undefined, {
-    scheduler: createVaporPreScheduler(instance),
-  })
+  if (hasDynamicProps) {
+    baseWatch(() => patchAttrs(instance), undefined, {
+      scheduler: createVaporPreScheduler(instance),
+    })
+  } else {
+    patchAttrs(instance)
+  }
 
   if (isStateful) {
     instance.props = props