fix(runtime-dom): event handlers with modifiers should get all event arguments (#1193)

packages/runtime-dom/__tests__/directives/vOn.spec.ts

@@ -118,4 +118,13 @@ describe('runtime-dom: v-on directive', () => {
       expect(fn).toBeCalled()
     })
   })
+
+  it('should handle multiple arguments when using modifiers', () => {
+    const el = document.createElement('div')
+    const fn = jest.fn()
+    const handler = withModifiers(fn, ['ctrl'])
+    const event = triggerEvent(el, 'click', e => (e.ctrlKey = true))
+    handler(event, 'value', true)
+    expect(fn).toBeCalledWith(event, 'value', true)
+  })
 })

packages/runtime-dom/src/directives/vOn.ts

@@ -26,12 +26,12 @@ const modifierGuards: Record<
  * @internal
  */
 export const withModifiers = (fn: Function, modifiers: string[]) => {
-  return (event: Event) => {
+  return (event: Event, ...args: unknown[]) => {
     for (let i = 0; i < modifiers.length; i++) {
       const guard = modifierGuards[modifiers[i]]
       if (guard && guard(event, modifiers)) return
     }
-    return fn(event)
+    return fn(event, ...args)
   }
 }