.eslintrc.json

{
  "extends": [
    "eslint:recommended",
    "plugin:prettier/recommended"
  ],
  "parser": "@typescript-eslint/parser",
  "plugins": ["@typescript-eslint", "prettier"],
  "env": {
    "es6": true,
    "browser": true,
    "node": true
  },
  "parserOptions": {
    "ecmaVersion": 2019,
    "sourceType": "module",
    "project": "./tsconfig.json",
    "tsconfigRootDir": "./"
  },
  "rules": {
    "strict": "warn",
    "indent": ["error", 2],
    "max-len": ["error", 120],
    "semi": ["error", "always"],
    "semi-spacing": ["error", {"before": false, "after": true}],
    "no-var": "error",
    "no-global-assign": 0,
    "prefer-const": ["error", {
      "destructuring": "all"
    }],
    "no-unused-vars": 0,
    "@typescript-eslint/no-unused-vars": ["error", {
      "vars": "all",
      "args": "none",
      "ignoreRestSiblings": false
    }]
  },
  "overrides": [
    {
      "files": "*.js",
      "rules": {
        "@typescript-eslint/no-unused-vars": "off"
      }
    }
  ]
}