.eslintrc.json

{
  "root": true,
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2020,
    "sourceType": "module"
  },
  "plugins": ["@typescript-eslint"],
  "rules": {
    "curly": "error",
    "eqeqeq": "warn",
    "no-throw-literal": "warn",
    // TODO "@typescript-eslint/semi" rule moved to https://eslint.style
    "semi": "error",
    "no-console": "warn",
    // Mostly fails tests, ex. expect(...).to.be.true returns a Chai.Assertion
    "@typescript-eslint/no-unused-expressions": "off",
    "@typescript-eslint/no-non-null-assertion": "off",
    "@typescript-eslint/no-unused-vars": [
      "error",
      {
        "args": "all",
        "argsIgnorePattern": "^_",
        "caughtErrors": "none"
      }
    ]
  },
  "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended", "prettier"],
  "ignorePatterns": ["assets", "out", "dist", "**/*.d.ts"]
}