.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true
  },
  "extends": [
    "plugin:@typescript-eslint/recommended",
    "airbnb-base",
    "airbnb-typescript/base",
    "plugin:json/recommended",
    "prettier" // needs to be last to override other plugins
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2021,
    "sourceType": "module",
    "project": "./tsconfig.json",
    "extraFileExtensions": [
      ".json"
    ]
  },
  "plugins": [
    "@typescript-eslint"
  ],
  "rules": {
    "json/*": ["error", { "allowComments": true }],
    "max-classes-per-file": "off",
    "@typescript-eslint/no-use-before-define": "off",
    "@typescript-eslint/no-unused-vars": [
      "error",
      {
        "varsIgnorePattern": "^_",
        "argsIgnorePattern": "^_",
        "destructuredArrayIgnorePattern": "^_",
        "ignoreRestSiblings": true
      }
    ],
    // normally this is a good rule, but since this property has been exposed, let's not potentially break people
    "no-underscore-dangle": "off",

    "object-curly-spacing": "error",
    "no-return-await": "off",
    "@typescript-eslint/return-await": "off",

    // airbnb terrible defaults
    "no-restricted-syntax": ["error", "ForInStatement", "LabeledStatement", "WithStatement"],
    "no-continue": "off",
    "import/prefer-default-export": "off"
  }
}