.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "extends": [
    "eslint:recommended",
    "prettier",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended" // Uses the recommended rules from the @typescript-eslint/eslint-plugin
  ],
  "plugins": ["prettier", "@typescript-eslint", "deprecation"],
  "parserOptions": {
    "project": "tsconfig.json",
    "ecmaVersion": 2019
  },
  "ignorePatterns": [
    "public/press/js/jquery-1.10.2.min.js",
    "public/press/js/sliderz.v1.js"
  ],
  "rules": {
    "deprecation/deprecation": "warn",
    "prettier/prettier": "error",
    "no-inner-declarations": ["warn", "functions"]
  },
  "overrides": [
    {
      "files": [
        "config/**/*.js",
        "misc/**/*.js",
        "public/**/*.js",
        "scripts/**/*.js",
        "test/**/*.js"
      ],
      "rules": {
        "no-undef": "warn",
        "no-redeclare": "warn",
        "@typescript-eslint/no-empty-function": "warn",
        "@typescript-eslint/no-unused-vars": "warn",
        "@typescript-eslint/no-this-alias": "warn"
      }
    },
    {
      "files": ["*.js"],
      "rules": {
        "@typescript-eslint/ban-ts-comment": "warn",
        "@typescript-eslint/no-var-requires": "off"
      }
    }
  ],
  "env": {
    "browser": true,
    "mocha": true,
    "jest": true,
    "node": true,
    "es6": true
  }
}