.eslintrc.json

{
  "root": true,
  "env": { "es2020": true, "node": true },
  "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended", "plugin:prettier/recommended"],
  "ignorePatterns": ["node_modules/**/*"],
  "parser": "@typescript-eslint/parser",
  "plugins": ["@typescript-eslint/eslint-plugin"],
  "rules": {
    "eqeqeq": ["error", "always", { "null": "ignore" }],
    "quotes": ["error", "double"],
    "no-undef": "error",
    "no-unsafe-negation": "error",
    "default-case": "error",
    "no-useless-return": "error",
    "object-shorthand": "error",
    "no-cond-assign": "error",
    "no-empty": ["error", { "allowEmptyCatch": true }],
    "yoda": "error",
    "no-negated-condition": "error",
    "max-params": ["error", 3],
    "prefer-const": "error",
    "prefer-spread": "error",
    "prefer-template": "error",
    "no-useless-call": "error",
    "no-useless-catch": "error",
    "no-useless-computed-key": "error",
    "no-useless-concat": "error",
    "no-useless-constructor": "off",
    "padding-line-between-statements": [
      "error",
      {
        "blankLine": "always",
        "prev": ["const", "let"],
        "next": "*"
      },
      {
        "blankLine": "any",
        "prev": ["const", "let"],
        "next": ["const", "let"]
      },
      {
        "blankLine": "always",
        "prev": "*",
        "next": "function"
      },
      {
        "blankLine": "always",
        "prev": "function",
        "next": "*"
      },
      {
        "blankLine": "always",
        "prev": "*",
        "next": "return"
      }
    ],
    "@typescript-eslint/interface-name-prefix": "off",
    "@typescript-eslint/explicit-function-return-type": "off",
    "@typescript-eslint/explicit-module-boundary-types": "off",
    "@typescript-eslint/no-explicit-any": "off",
    "@typescript-eslint/no-unused-vars": "off",
    "prettier/prettier": "error"
  }
}