.eslintrc.json

{
  "plugins": [
    "jest",
    "jest-formatting",
    "@typescript-eslint",
    "import",
    "prettier",
    "deprecation"
  ],
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended-type-checked",
    "plugin:jest/recommended",
    "plugin:prettier/recommended"
  ],
  "env": {
    "node": true
  },
  "ignorePatterns": [
    "node_modules",
    "dist",
    "lib",
    "build",
    "__test__",
    "**/*.spec.ts",
    "**/*.test.ts"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 13,
    "project": "./tsconfig.json"
  },
  "rules": {
    "deprecation/deprecation": "error",
    "prettier/prettier": [
      "error",
      {
        "printWidth": 120,
        "singleQuote": true,
        "trailingComma": "all",
        "arrowParens": "always",
        "endOfLine": "auto"
      }
    ],
    "@typescript-eslint/no-namespaces": "off",
    "@typescript-eslint/camelcase": "off",
    "@typescript-eslint/naming-convention": [
      "warn",
      {
        "selector": "default",
        "format": [
          "camelCase"
        ]
      },
      {
        "selector": "variable",
        "format": [
          "camelCase",
          "UPPER_CASE"
        ]
      },
      {
        "selector": "parameter",
        "format": [
          "camelCase",
          "snake_case"
        ],
        "leadingUnderscore": "allow"
      },
      {
        "selector": "typeLike",
        "format": [
          "PascalCase"
        ]
      },
      {
        "selector": "property",
        "format": [
          "camelCase",
          "snake_case",
          "PascalCase"
        ]
      }
    ]
  }
}