.eslintrc

{
  "root": true,
  "env": {
    "browser": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:vue/vue3-recommended",
    "plugin:prettier/recommended"
  ],
  "parser": "vue-eslint-parser",
  "plugins": [ "@typescript-eslint" ],
  "parserOptions": {
    "parser": "@typescript-eslint/parser",
    "sourceType": "module",
    "ecmaVersion": "latest",
    "project": ["./tsconfig.json"],
    "extraFileExtensions": [ ".vue" ]
  },
  "rules": {
    // https://eslint.org/docs/rules/
    "no-fallthrough": "off", // https://github.com/ionic-team/eslint-config/issues/7
    "no-constant-condition": "off",
    "no-unused-vars": "off",

    // https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin/docs/rules
    "@typescript-eslint/no-this-alias": "off",
    "@typescript-eslint/no-explicit-any": "off",
    "@typescript-eslint/explicit-module-boundary-types": [
      "error", { "allowArgumentsExplicitlyTypedAsAny": true }],

    // https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin/docs/rules
    "@typescript-eslint/array-type": "error",
    "@typescript-eslint/consistent-type-assertions": "error",
    "@typescript-eslint/consistent-type-imports": "error",
    "@typescript-eslint/prefer-for-of": "error",
    "@typescript-eslint/prefer-optional-chain": "error",

    "@typescript-eslint/no-unused-vars": [
      "error",
      {
        "argsIgnorePattern": "^_",
        "varsIgnorePattern": "^_",
        "caughtErrorsIgnorePattern": "^_"
      }
    ]
  }
}