.eslintrc.js

module.exports = {
  "root": true,
  "env": {
    "browser": true,
    "mocha": true,
    "node": true,
  },
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": ["client/tsconfig.json", "server/tsconfig.json"],
    "tsconfigRootDir": __dirname,
    "sourceType": "module",
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:import/errors",
    "plugin:import/warnings",
    "plugin:import/typescript",
  ],
  "overrides": [],
  "rules": {
    "import/no-unresolved": "off",
    "import/namespace": "off",
    "import/named": "off",
    "space-infix-ops": "error",
    "space-in-parens": "error",
    "keyword-spacing": "error",
    "space-before-blocks": "error",
    "prefer-arrow-callback": "error",
    "arrow-spacing": "error",
    "import/export": "off",
    "import/newline-after-import": [
      "error",
      {
        "count": 1,
      },
    ],
    "object-curly-spacing": "error",
    "@typescript-eslint/explicit-function-return-type": "off",
    "@typescript-eslint/array-type": "error",
    "@typescript-eslint/no-unused-vars": "off",
    "no-useless-escape": "off",
    "no-undef": "off",
    "@typescript-eslint/ban-ts-ignore": "off",
    "no-control-regex": "off",
    "@typescript-eslint/camelcase": "off",
    "@typescript-eslint/explicit-module-boundary-types": "off",
    "@typescript-eslint/no-this-alias": "off",
    "@typescript-eslint/no-non-null-assertion": "off",
    "@typescript-eslint/explicit-member-accessibility": "error",
    "@typescript-eslint/consistent-type-assertions": "error",
    "@typescript-eslint/indent": [
      "error",
      2,
      {
        "SwitchCase": 1,
        "ignoreComments": true,
        "CallExpression": {
          "arguments": "first",
        },
        "FunctionDeclaration": {
          "parameters": "first",
        },
        "FunctionExpression": {
          "parameters": "first",
        },
      },
    ],
    "@typescript-eslint/interface-name-prefix": "off",
    "@typescript-eslint/member-delimiter-style": "off",
    "@typescript-eslint/member-ordering": "off",
    "@typescript-eslint/no-empty-function": "error",
    "@typescript-eslint/no-empty-interface": "error",
    "@typescript-eslint/no-explicit-any": "off",
    "@typescript-eslint/no-inferrable-types": "off",
    "@typescript-eslint/no-require-imports": "error",
    "@typescript-eslint/no-use-before-define": "off",
    "@typescript-eslint/no-var-requires": "error",
    "@typescript-eslint/prefer-for-of": "error",
    "@typescript-eslint/prefer-namespace-keyword": "error",
    "@typescript-eslint/quotes": [
      "error",
      "double",
      {
        "avoidEscape": true,
        "allowTemplateLiterals": true,
      },
    ],
    "@typescript-eslint/restrict-plus-operands": "off",
    "@typescript-eslint/semi": [
      "error",
      "always",
    ],
    "@typescript-eslint/triple-slash-reference": "error",
    "@typescript-eslint/type-annotation-spacing": "error",
    "@typescript-eslint/unified-signatures": "error",
    "camelcase": "off",
    "capitalized-comments": [
      "off",
      "never",
    ],
    "comma-spacing": "off",
    "@typescript-eslint/comma-spacing": ["error"],
    "comma-dangle": [
      "error",
      "always-multiline",
    ],
    "constructor-super": "error",
    "curly": "error",
    "default-case": "error",
    "dot-notation": "off",
    "eol-last": "off",
    "eqeqeq": [
      "error",
      "smart",
    ],
    "guard-for-in": "off",
    "id-blacklist": "off",
    "id-match": "error",
    "max-len": [
      "error",
      {
        "ignoreRegExpLiterals": true,
        "ignoreStrings": true,
        "ignorePattern": "^\\s*\\*",
        "code": 140,
      },
    ],
    "new-parens": "error",
    "no-bitwise": "error",
    "no-caller": "error",
    "no-cond-assign": "error",
    "no-console": "off",
    "no-constant-condition": "off",
    "no-debugger": "error",
    "no-duplicate-case": "error",
    "no-empty": "error",
    "no-eval": "error",
    "no-fallthrough": "error",
    "no-invalid-this": "off",
    "no-irregular-whitespace": "error",
    "no-multiple-empty-lines": "off",
    "no-new-wrappers": "error",
    "no-redeclare": "error",
    "no-return-await": "error",
    "no-sequences": "error",
    "no-shadow": [
      "off",
      {
        "hoist": "all",
      },
    ],
    "no-sparse-arrays": "error",
    "no-trailing-spaces": "error",
    "no-underscore-dangle": "off",
    "no-unused-expressions": "off",
    "no-unused-labels": "error",
    "no-var": "error",
    "no-void": "error",
    "one-var": [
      "error",
      "never",
    ],
    "prefer-const": "error",
    "@typescript-eslint/prefer-readonly": "error",
    "radix": "error",
    "spaced-comment": "off",
    "use-isnan": "error",
  },
};