.eslintrc.json

{
  "parserOptions": {
    "parser": "@typescript-eslint/parser",
    "project": "./tsconfig.json",
    "extraFileExtensions": [".vue"]
  },
  "env": {
    "browser": true,
    "node": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:vue/recommended"
  ],
  "rules": {
    "semi": ["error", "always"],
    "arrow-parens": ["error", "always"],
    "comma-dangle": ["error", "always-multiline"],
    "vue/attributes-order": "off",
    "@typescript-eslint/indent": ["error", 2],
    "@typescript-eslint/explicit-function-return-type": [
      "error",
      {
        "allowExpressions": true,
        "allowHigherOrderFunctions": true,
        "allowTypedFunctionExpressions": true
      }
    ]
  },
  "overrides": [
    {
      "files": ["*.vue"],
      "rules": {
        "indent": "off",
        "@typescript-eslint/indent": "off"
      }
    }
  ]
}