.eslintrc.json

{
  "env": {
      "browser": true,
      "es6": true
  },
  "extends": [
    "plugin:vue/vue3-recommended",
    "plugin:@typescript-eslint/recommended",
    "airbnb-typescript/base"
  ],
  "parser": "vue-eslint-parser",
  "parserOptions": {
      "ecmaVersion": 2018,
      "parser": "@typescript-eslint/parser",
      "sourceType": "module",
      "project": "tsconfig.json",
      "tsconfigRootDir": "./",
      "extraFileExtensions": [ ".vue" ]
  },
  "plugins": [
    "vue",
    "@typescript-eslint",
    "tree-shaking"
  ],
  "rules": {
    "max-len": "off",
    "import/extensions": "off",
    "import/prefer-default-export": "off",
    "import/no-extraneous-dependencies": "off",
    "@typescript-eslint/no-non-null-assertion": "off",
    "tree-shaking/no-side-effects-in-initialization": 2
  },
  "overrides": [
    {
      "files": ["*.spec.ts", "src/main.ts", "src/development/*"],
      "rules": {
        "tree-shaking/no-side-effects-in-initialization": "off"
      }
    }
  ]
}