.eslintrc.json

{
  "env": {
      "node": true,
      "es2021": true,
      "jest": true
  },
  "extends": [
      "eslint:recommended",
      "plugin:@typescript-eslint/eslint-recommended",
      "plugin:@typescript-eslint/recommended"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
      "ecmaVersion": "latest"
  },
  "plugins": [
      "@typescript-eslint"
  ],
  "rules": {
      "@typescript-eslint/ban-types": "off",
      "@typescript-eslint/explicit-module-boundary-types": "off",
      "@typescript-eslint/no-explicit-any": "off",
      "@typescript-eslint/no-inferrable-types": "off",
      "@typescript-eslint/no-non-null-assertion": "off",
      "@typescript-eslint/no-unused-vars": [ "error", { "argsIgnorePattern": "^_" } ],
      "@typescript-eslint/semi": [ "error", "always" ],
      "@typescript-eslint/type-annotation-spacing": "error",
      "arrow-spacing": "error",
      "brace-style": [ "error", "1tbs", { "allowSingleLine": true } ],
      "comma-spacing": [ "error", { "before": false, "after": true } ],
      "curly": "error",
      "eqeqeq": "error",
      "eol-last": ["warn", "always"],
      "indent": [ "error", 4,
        {
          "FunctionExpression": {
            "parameters": "first"
          },
          "CallExpression": {
            "arguments": "first"
          },
          "outerIIFEBody": 2,
          "SwitchCase": 1
        }
      ],
      "key-spacing": [ "error", { "afterColon": true } ],
      "keyword-spacing": [ "error", { "before": true, "after": true } ],
      "no-irregular-whitespace": "error",
      "no-trailing-spaces": "error",
      "no-multi-spaces": "error",
      "no-multiple-empty-lines":["error", { "max": 1, "maxEOF": 1 }],
      "no-underscore-dangle": [ "error", { "allowFunctionParams": true } ],
      "no-unused-vars": "off",
      "no-whitespace-before-property": "error",
      "object-curly-spacing": [ "error", "always" ],
      "require-await": "error",
      "space-infix-ops": "error",
      "spaced-comment": [ "error", "always", { "markers": [ "/", "*" ] } ]
  }
}