vue-scoped-css/v-slotted-pseudo-style 
enforce
:slotted()/::v-slotted()style
- ⚙️ This rule is included in 
"plugin:vue-scoped-css/all". - 🔧 The 
--fixoption on the command line can automatically fix some of the problems reported by this rule. 
📖 Rule Details 
This rule enforces slotted pseudo style which you should use :slotted() or ::v-slotted().
🔧 Options 
json
{
  "vue-scoped-css/v-slotted-pseudo-style": [
    "error",
    ":slotted" // or "::v-slotted"
  ]
}":slotted"(default) ... requires using:slotted()."::v-slotted"... requires using::v-slotted().