.eslintrc.json

{
  "env": {
    "node": true,
    "jest": true
  },
  "extends": "airbnb-base",
  "globals": {
    "expect": true
  },
  "rules": {
    "no-console": ["error", { "allow": ["warn", "error", "log"] }],
    "no-underscore-dangle": ["error", { "allow": ["_id"] }],
    "comma-dangle": [2, {
      "arrays": "always-multiline",
      "objects": "always-multiline",
      "imports": "always-multiline",
      "exports": "always-multiline",
      "functions": "ignore"
    }],
    "max-len":  ["error", {
      "code": 100,
      "ignoreTemplateLiterals": true,
      "ignorePattern": "^\\s*const\\s.+=\\s*require\\s*\\(",
      "ignoreRegExpLiterals": true,
      "ignoreStrings": true
    }],
    "prefer-destructuring": ["error", {"object": false, "array": false}],
    "prefer-promise-reject-errors": [
      "off",
      {
        "allowEmptyReject": true
      }
    ],
    "semi": ["error", "never"]
  }
}