.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "typescript": true,
    "ecmaVersion": 8,
    "sourceType": "module",
    "ecmaFeatures": {
      "impliedStrict": true
    }
  },
  "env": {
    "es6": true,
    "node": true
  },
  "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
  "plugins": ["@typescript-eslint"],
  "overrides": [
    {
      "files": ["src/hubspot.ts"],
      "rules": {
        "@typescript-eslint/no-var-requires": "off",
        "@typescript-eslint/camelcase": "off",
        "@typescript-eslint/no-explicit-any": "off",
        "require-atomic-updates": "off",
        "@typescript-eslint/explicit-function-return-type": "off"
      }
    }
  ],
  "rules": {
    "@typescript-eslint/explicit-function-return-type": "off",
    "@typescript-eslint/no-unused-vars": ["warn", { "argsIgnorePattern": "^_" }],
    "no-unused-vars": "off",
    "curly": 2,
    "eqeqeq": [2, "smart"],
    "no-labels": 2,
    "no-console": 0,
    "no-eq-null": 2,
    "no-eval": 2,
    "no-fallthrough": 2,
    "no-octal-escape": 2,
    "no-octal": 2,
    "no-redeclare": 2,
    "no-with": 2,
    "no-catch-shadow": 2,
    "no-undef": 2,
    "no-use-before-define": 2,
    "brace-style": 0,
    "@typescript-eslint/brace-style": 0,
    "comma-spacing": [2, { "after": true }],
    "comma-style": [2, "last"],
    "comma-dangle": 0,
    "computed-property-spacing": [2, "never"],
    "indent": "off",
    "key-spacing": [2, { "afterColon": true }],
    "no-mixed-spaces-and-tabs": 2,
    "no-trailing-spaces": 2,
    "quotes": [2, "double", "avoid-escape"],
    "semi": [2, "always"],
    "space-before-blocks": [2, "always"],
    "strict": [2, "global"],
    "keyword-spacing": 2,
    "no-var": 2,
    "object-shorthand": [2, "always"],
    "prefer-const": 1,
    "prefer-spread": 2,
    "require-yield": 2
  }
}