.eslintrc.json

{
  "extends": [
    "universe/node",
    "universe/shared/typescript-analysis"
  ],
  "plugins": [
    "jest"
  ],
  "rules": {
    "no-unused-expressions": "off",
    "@typescript-eslint/no-unused-expressions": "error",
    "spaced-comment": [
      "warn",
      "always",
      {
        "block": {
          "balanced": true
        }
      }
    ],
    "jest/valid-expect": [
      "error",
      {
        "alwaysAwait": true
      }
    ],
    "import/order": [
      "error",
      {
        "newlines-between": "always"
      }
    ]
  },
  "overrides": [
    {
      "files": [
        "*.ts",
        "*.d.ts"
      ],
      "parserOptions": {
        "project": "./tsconfig.json"
      },
      "rules": {
        "@typescript-eslint/explicit-function-return-type": [
          "warn",
          {
            "allowExpressions": true
          }
        ],
        "@typescript-eslint/no-confusing-void-expression": "warn",
        "@typescript-eslint/naming-convention": [
          "warn",
          {
            "selector": "typeLike",
            "format": [
              "PascalCase"
            ]
          },
          {
            "selector": "enumMember",
            "format": [
              "UPPER_CASE"
            ]
          }
        ],
        "no-dupe-class-members": "off",
        "@typescript-eslint/no-dupe-class-members": [
          "error"
        ],
        "@typescript-eslint/await-thenable": "error",
        "@typescript-eslint/no-misused-promises": [
          "error",
          {
            "checksVoidReturn": false
          }
        ],
        "@typescript-eslint/no-floating-promises": "error",
        "no-void": [
          "warn",
          {
            "allowAsStatement": true
          }
        ],
        "@typescript-eslint/no-confusing-non-null-assertion": "warn",
        "@typescript-eslint/no-extra-non-null-assertion": "warn",
        "@typescript-eslint/prefer-as-const": "warn",
        "@typescript-eslint/prefer-includes": "warn",
        "@typescript-eslint/prefer-readonly": "warn",
        "@typescript-eslint/prefer-string-starts-ends-with": "warn",
        "@typescript-eslint/prefer-ts-expect-error": "warn",
        "@typescript-eslint/no-unnecessary-type-assertion": "warn"
      }
    },
    {
      "files": [
        "src/**/*.ts"
      ],
      "rules": {
        "no-restricted-properties": [
          "warn",
          {
            "object": "it",
            "property": "only",
            "message": "it.only should not be committed to main."
          },
          {
            "object": "test",
            "property": "only",
            "message": "test.only should not be committed to main."
          },
          {
            "object": "describe",
            "property": "only",
            "message": "describe.only should not be committed to main."
          }
        ]
      }
    }
  ]
}