chore: rebase

Author: edison1105

packages/compiler-vapor/src/generators/component.ts

@@ -53,7 +53,8 @@ export function genCreateComponent(
   const rawProps = context.withId(() => genRawProps(props, context), ids)
   const inlineHandlers: CodeFragment[] = handlers.reduce<CodeFragment[]>(
     (acc, { name, value }) => {
-      const handler = genEventHandler(context, value, false)
+      // TODO should support .once modifier on component event
+      const handler = genEventHandler(context, value, undefined,false)
       return [...acc, `const ${name} = `, ...handler, NEWLINE]
     },
     [],

packages/compiler-vapor/src/generators/event.ts

@@ -88,8 +88,9 @@ export function genEventHandler(
     nonKeys: string[]
     keys: string[]
   } = { nonKeys: [], keys: [] },
+  needWrap: boolean = true,
 ): CodeFragment[] {
-  let handlerExp: CodeFragment[] = [`() => {}`]
+  let handlerExp: CodeFragment[] = [`{}`]
   if (value && value.content.trim()) {
     const isMemberExp = isMemberExpression(value, context.options)
     const isInlineStatement = !(
@@ -117,7 +118,8 @@ export function genEventHandler(
     handlerExp = genWithModifiers(context, handlerExp, nonKeys)
   if (keys.length) handlerExp = genWithKeys(context, handlerExp, keys)
 
-  return [`() => `, ...handlerExp]
+  if(needWrap) handlerExp.unshift(`() => `)
+  return handlerExp
 }
 
 function genWithModifiers(