.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true,
    "jest": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:vue/recommended",
    "plugin:vue/vue3-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:prettier/recommended"
  ],
  "settings": {
    "import/resolver": {
      "alias": {
        "map": [
          ["@", "./src"] //default @ -> ./src alias in Vue, it exists even if vue.config.js is not present
          /*
           *... add your own webpack aliases if you have them in vue.config.js/other webpack config file
           * if you forget to add them, eslint-plugin-import will not throw linting error in .vue imports that contain the webpack alias you forgot to add
           */
        ],
        "extensions": [".vue", ".json", ".js"]
      }
    }
  },
  "overrides": [
    {
      "files": ["*.json"],
      "rules": {
        "quotes": ["error", "double"]
      }
    }
  ],
  "parser": "vue-eslint-parser",
  "parserOptions": {
    "parser": "@typescript-eslint/parser",
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "plugins": ["vue", "@typescript-eslint", "prettier"],
  "rules": {
    "indent": [
      "error",
      2,
      {
        "SwitchCase": 1
      }
    ],
    "linebreak-style": ["error", "unix"],
    "quotes": ["error", "single", { "avoidEscape": true }],
    "semi": ["error", "never"],
    "no-mixed-spaces-and-tabs": ["warn"],
    "prettier/prettier": "warn",
    "@typescript-eslint/no-var-requires": ["off"],
    "@typescript-eslint/no-non-null-asserted-optional-chain": [
      "off"
    ],
    "@typescript-eslint/no-empty-function": "off",
    "@typescript-eslint/no-non-null-assertion": "off",
    "@typescript-eslint/no-explicit-any": ["off"],
    "@typescript-eslint/ban-types": "warn",
    "@typescript-eslint/no-unused-vars": ["error"],
    "brace-style": [
      "warn",
      "1tbs",
      { "allowSingleLine": true }
    ],
    "no-undef": "off",
    "no-empty": "warn",
    "vue/no-multiple-template-root": "off",
    "vue/no-v-model-argument": "off",
    "vue/no-v-for-template-key": "off",
    "vue/no-v-for-template-key-on-child": "error"
  }
}