.eslintrc.json

{
  "env": {
    "node": true,
    "es2021": true
  },
  "extends": ["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",
    "@typescript-eslint/quotes": [
      "error",
      "single",
      { "avoidEscape": true, "allowTemplateLiterals": true }
    ],
    "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": ["/", "*"] }]
  }
}