.eslintrc.json

{
  "extends": [
    "airbnb-base",
    "plugin:@typescript-eslint/recommended"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": "./tsconfig.json",
    "sourceType": "module",
    "ecmaFeatures": {
      "modules": true
    }
  },
  "plugins": [
    "@typescript-eslint",
    "json"
  ],
  "rules": {
    "@typescript-eslint/camelcase": "off",
    "@typescript-eslint/indent": ["error", 2],
    "@typescript-eslint/await-thenable": "error",
    "@typescript-eslint/no-for-in-array": "error",
    "@typescript-eslint/no-unnecessary-qualifier": "error",
    "@typescript-eslint/no-unnecessary-type-assertion": "error",
    "@typescript-eslint/no-extraneous-class": [
      "error",
      {
        "allowStaticOnly":  true
      }
    ],
    "@typescript-eslint/prefer-includes": "error",
    "@typescript-eslint/restrict-plus-operands": "error",
    "@typescript-eslint/no-useless-constructor": "error",
    "@typescript-eslint/unified-signatures": "error",
    "@typescript-eslint/unbound-method": [
      "error",
      {
        "ignoreStatic": true
      }
    ],
    "@typescript-eslint/promise-function-async": [
      "error",
      {
        "checkArrowFunctions": true,
        "checkFunctionDeclarations": true,
        "checkFunctionExpressions": true,
        "checkMethodDeclarations": true
      }
    ],
    "no-console": "off",
    "no-underscore-dangle": "off",
    "import/no-extraneous-dependencies": "off",
    "strict": "off"
  },
  "env": {
    "mocha": true,
    "node": true,
    "es6": true
  },
  "globals": {
    "artifacts": false,
    "contract": false,
    "assert": false
  },
  "settings": {
    "import/resolver": {
      "node": {
        "extensions": [".js", ".jsx", ".ts", ".tsx"]
      }
    }
  }
}