.eslintrc.json

{
  "root": true,
  "parser": "@typescript-eslint/parser",
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:import/errors",
    "plugin:import/warnings",
    "plugin:import/typescript",
    "plugin:prettier/recommended"
  ],
  "plugins": ["import", "simple-import-sort", "@typescript-eslint"],
  "rules": {
    "no-constant-condition": "off",
    "import/no-unresolved": "off",
    "curly": ["error", "all"],
    "new-cap": "off",
    "no-unused-expressions": "off",
    "no-unused-vars": "off",
    "semi": ["warn", "always"],
    "object-curly-spacing": ["error", "always"],
    "arrow-parens": ["error", "always"],
    "linebreak-style": 0,
    "space-infix-ops": "error",
    "eol-last": ["error", "always"],
    "padding-line-between-statements": [
      "error",
      {
        "blankLine": "always",
        "prev": "*",
        "next": "block"
      },
      {
        "blankLine": "always",
        "prev": "block",
        "next": "*"
      },
      {
        "blankLine": "always",
        "prev": "*",
        "next": "block-like"
      },
      {
        "blankLine": "always",
        "prev": "block-like",
        "next": "*"
      }
    ],
    "@typescript-eslint/no-unused-vars": [
      "warn",
      {
        "argsIgnorePattern": "^_",
        "varsIgnorePattern": "^_",
        "caughtErrorsIgnorePattern": "^_"
      }
    ],
    "@typescript-eslint/naming-convention": [
      "warn",
      {
        "selector": ["parameter", "variable"],
        "leadingUnderscore": "forbid",
        "format": null
      },
      {
        "selector": "variable",
        "format": ["camelCase", "UPPER_CASE", "snake_case", "PascalCase"],
        "leadingUnderscore": "allow", // This allows leading underscores generally
        "filter": {
          "regex": "^(__filename|__dirname)", // This regex matches the variable name `__filename`
          "match": false // This means that the rule will not apply to `__filename`
        }
      },
      {
        "selector": "parameter",
        "leadingUnderscore": "require",
        "format": null,
        "modifiers": ["unused"]
      }
    ],
    "@typescript-eslint/no-explicit-any": "off",
    "object-curly-newline": "off",
    "@typescript-eslint/ban-ts-comment": "off",
    "prettier/prettier": "warn",
    "simple-import-sort/imports": "error",
    "simple-import-sort/exports": "error"
  },
  "env": {
    "es6": true,
    "node": true,
    "jest": true
  }
}