.eslintrc

{
  "extends": ["prettier"],
  "plugins": ["prettier"],
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 5
  },
  "rules": {
    "prettier/prettier": "warn",
    "no-console": "error",
    "new-cap": "warn",
    "max-len": ["warn", { "code": 80, "ignoreUrls": true }],
    "curly": ["error", "multi-line"],
    "no-unused-vars": "error"
  },
  "globals": {
    "Promise": true,
    "process": true
  },
  "overrides": [
    {
      "files": ["**/*.ts"],
      "extends": [
        "plugin:@typescript-eslint/recommended",
        "prettier/@typescript-eslint",
        "prettier"
      ],
      "parser": "@typescript-eslint/parser",
      "parserOptions": {
        "ecmaVersion": 6,
        "ecmaFeatures": { "modules": true }
      },
      "rules": {
        "prettier/prettier": "warn",
        "no-console": "error",
        "new-cap": "warn",
        "max-len": ["warn", { "code": 80, "ignoreUrls": true }],
        "curly": ["error", "multi-line"],
        "no-unused-vars": "error"
      }
    }
  ]
}