vue/no-template-shadow 
disallow variable declarations from shadowing variables declared in the outer scope
- ⚙️ This rule is included in all of 
"plugin:vue/vue3-strongly-recommended",*.configs["flat/strongly-recommended"],"plugin:vue/strongly-recommended",*.configs["flat/vue2-strongly-recommended"],"plugin:vue/vue3-recommended",*.configs["flat/recommended"],"plugin:vue/recommended"and*.configs["flat/vue2-recommended"]. 
no-template-shadow should report variable definitions of v-for directives or scope attributes if they shadow the variables in parent scopes.
📖 Rule Details 
This rule aims to eliminate shadowed variable declarations of v-for directives or scope attributes.
🔧 Options 
This rule takes one optional object option, with the property "allow".
json
{
  "vue/no-template-shadow": ["error", { "allow": [] }]
}"allow"([string]) Array of identifier names for which shadowing is allowed.
Examples of correct code for the { "allow": ["i"] } option:
🚀 Version 
This rule was introduced in eslint-plugin-vue v5.0.0