.eslintrc.json

{
  "plugins": [
    "import",
    "office-addins"
  ],
  "extends": [
    "plugin:office-addins/recommended"
  ],
  "env": {
    "browser": true,
    "es6": true
  },
  "globals": {
    "Office": "readonly",
    "$": "readonly"
  },
  "rules": {
    "no-const-assign": "error",
    "prefer-const": ["warn", {
      "destructuring": "any",
      "ignoreReadBeforeAssign": false
    }],
    "no-var": "error",
    "no-unused-vars": ["warn", {
      "vars": "all",
      "args": "after-used",
      "argsIgnorePattern": "^_",
      "caughtErrors": "all",
      "caughtErrorsIgnorePattern": "^_"
    }],
    "no-use-before-define": ["error", {
      "functions": false,
      "classes": true
    }],
    "no-unused-expressions": "error",
    "no-unused-labels": "error",
    "no-undef": ["error", {
      "typeof": true
    }],
    "import/default": "error",
    "import/namespace": "error",
    "import/no-duplicates": "error",
    "import/export": "error",
    "import/extensions": ["error", "always"],
    "import/first": "error",
    "import/named": "error",
    "import/no-named-as-default": "error",
    "import/no-named-as-default-member": "error",
    "import/no-cycle": ["warn", {
    }],
    "import/no-self-import": "error",
    "import/no-unresolved": ["error", {
      "caseSensitive": true
    }],
    "import/no-useless-path-segments": "error"
  }
}