.eslintrc.json

{
  "env": {
    "es6": true,
    "node": true,
    "mocha": true,
    "browser": true
  },
  "extends": [
    "plugin:@typescript-eslint/recommended",
    "eslint:recommended"
  ],
  "plugins": [
    "no-only-tests"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": "./tsconfig.json",
    "sourceType": "module"
  },
  "ignorePatterns": [".eslintrc.js"],
  "rules": {
    "@typescript-eslint/explicit-module-boundary-types": "off",
    "@typescript-eslint/no-explicit-any": "off",
    "@typescript-eslint/no-floating-promises": "error",
    "no-redeclare": "off",
    "no-unused-vars": "off",
    "@typescript-eslint/no-unused-vars": ["error"],
    "prefer-const": ["error", {"destructuring": "all"}],
    "semi": ["error", "never"],
    "no-extra-semi": "off",
    "no-only-tests/no-only-tests": "error",
    "@typescript-eslint/no-extra-semi": "off"
  },
  "overrides": [
    {
      "files": [
        "test/**/*.{js,ts,tsx}"
      ],
      "rules": {
        "@typescript-eslint/no-non-null-assertion": "off",
        "no-unused-expressions": "off"
      }
    }
  ]
}