//if [data-v-if]|before = [data-v-if]|after = //if not [data-v-if-not]|before = [data-v-if-not]|after = [data-v-if]|addClass = [data-v-if-not]|addClass = [data-v-class-if-*]|addClass = [data-v-class-if-not-*]|addClass = [data-v-attr-if-*]|addClass = [data-v-attr-if-not-*]|addClass =