.eslintrc.json

{
  "extends": [
    "airbnb-base",
    "prettier"
  ],
  "rules": {
    "no-console": [
      "error",
      {
        "allow": [
          "warn",
          "error",
          "info"
        ]
      }
    ],
    "camelcase": 0
  },
  "overrides": [
    {
      "files": [
        "**/*.test.js"
      ],
      "env": {
        "jest": true
      },
      "plugins": [
        "jest",
        "chai-expect",
        "chai-friendly"
      ],
      "rules": {
        "no-unused-expressions": 0,
        "chai-friendly/no-unused-expressions": 2,
        "chai-expect/missing-assertion": 2,
        "chai-expect/terminating-properties": 2,
        "chai-expect/no-inner-compare": 2,
        "jest/no-disabled-tests": "warn",
        "jest/no-focused-tests": "error",
        "jest/no-identical-title": "error",
        "jest/prefer-to-have-length": "warn",
        "jest/valid-expect": 0
      }
    }
  ]
}