fix: mask on 2nd input event from vuetify in firefox

fixes #17

Author: RonaldJerez

src/core.js

@@ -156,10 +156,12 @@ export function updateValue(el, vnode, { emit = true, force = false } = {}, even
     el.unmaskedValue = newValue.unmasked
 
     // safari makes the cursor jump to the end if el.value gets assign even if to the same value
-    // additionally, vuetify is trigering directive.update twice at init, this check ensures we only emit once
     if (el.value !== newValue.masked) {
       el.value = newValue.masked
-      emit && el.dispatchEvent(FacadeInputEvent())
     }
+
+    // this part needs to be outside the above IF statement for vuetify in firefox
+    // draweback is that we endup with two's input events in firefox
+    emit && el.dispatchEvent(FacadeInputEvent())
   }
 }

tests/component.test.js

@@ -69,7 +69,8 @@ describe('Component', () => {
     const input = wrapper.find('input')
 
     input.trigger('change')
-    expect(wrapper.emitted().input).toBeFalsy()
+    // only the initial input should be present
+    expect(wrapper.emitted().input.length).toEqual(1)
   })
 
   test('Adding a format function should call that function on input', async () => {