.eslintrc.json

{
  "extends": "eslint:recommended",
  "env": {
    "es6": true,
    "node": true,
    "mocha": true
  },
  "parserOptions": {
    "ecmaVersion": 2017,
    "sourceType": "module"
  },
  "rules": {
    "no-console": [
      "off"
    ],
    "indent": [
      "error",
      2,
      {
        "SwitchCase": 1
      }
    ],
    "linebreak-style": [
      "error",
      "unix"
    ],
    "quotes": [
      "error",
      "single",
      {
        "allowTemplateLiterals": true
      }
    ],
    "semi": [
      "error",
      "always"
    ],
    "no-constant-condition": [
      "off"
    ],
    "no-unused-vars": [
      "off"
    ],
    "space-before-blocks": [
      "error"
    ],
    "object-curly-spacing": [
      "error",
      "always"
    ],
    "space-before-function-paren": [
      "error",
      {
        "anonymous": "always",
        "named": "never",
        "asyncArrow": "always"
      }
    ],
    "keyword-spacing": [
      "error"
    ],
    "key-spacing": [
      "error"
    ],
    "no-trailing-spaces": [
      "error",
      {
        "skipBlankLines": true
      }
    ],
    "no-multi-spaces": [
      "error"
    ],
    "space-in-parens": [
      "error"
    ],
    "block-spacing": [
      "error"
    ]
  },
  "overrides": [
    {
      "files": [
        "**/*.ts"
      ],
      "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/recommended"
      ],
      "env": {
        "es6": true,
        "node": true,
        "jest": true
      },
      "parserOptions": {
        "ecmaVersion": 2017,
        "sourceType": "module",
        "parser": "@typescript-eslint/parser"
      },
      "rules": {
        "@typescript-eslint/interface-name-prefix": "off",
        "@typescript-eslint/indent": [
          "error",
          2,
          {
            "SwitchCase": 1
          }
        ],
        "@typescript-eslint/camelcase": "off",
        "@typescript-eslint/no-unused-vars": "error",
        "@typescript-eslint/ban-ts-ignore":"off"
      }
    }
  ]
}