.eslintrc.js

module.exports = {
  root: true,
  env: {
    node: true,
    browser: true,
    es2021: true,
  },
  extends: ["eslint:recommended", "plugin:vue/vue3-recommended"],
  parserOptions: {
    ecmaVersion: "latest",
    sourceType: "module",
  },
  rules: {
    "arrow-spacing": "error",
    "block-spacing": "error",
    "brace-style": "error",
    "comma-dangle": ["error", "only-multiline"],
    "comma-spacing": "error",
    "comma-style": ["error", "last"],
    "curly": ["error", "multi-line", "consistent"],
    "eol-last": "error",
    "func-call-spacing": "error",
    "function-call-argument-newline": ["error", "consistent"],
    "function-paren-newline": ["error", "consistent"],
    "indent": ["error", 2],
    "key-spacing": "error",
    "keyword-spacing": "error",
    "linebreak-style": ["error", "unix"],
    "no-extra-semi": "error",
    "no-mixed-spaces-and-tabs": "error",
    "no-multi-spaces": "error",
    "no-redeclare": ["error", { builtinGlobals: false }],
    "no-trailing-spaces": "error",
    "no-unused-vars": "off",
    "no-whitespace-before-property": "error",
    "object-curly-newline": ["error", { consistent: true, multiline: true }],
    // https://eslint.org/docs/latest/rules/object-curly-spacing
    "object-curly-spacing": ["error", "always"],
    "operator-linebreak": ["error", "before"],
    "quote-props": ["error", "consistent-as-needed"],
    "semi": ["error", "never"],
    "semi-spacing": "error",
    "semi-style": ["error", "last"],
    "space-before-blocks": "error",
    "space-before-function-paren": ["error", "never"],
    "space-in-parens": ["error", "never"],
    "space-infix-ops": "error",
    "space-unary-ops": "error",
    "switch-colon-spacing": "error",
    "template-curly-spacing": ["error", "never"],
    "unicode-bom": "error",
  },
  globals: {
    // method or global variable
    // readonlyMethodOrVariable: "readonly",
    utils: "readonly",
    Vue: "readonly",
    Vuetify: "readonly",
    imageProcess: "readonly",
    // writableMethodOrVariable: "writable"
  }
}