.eslintrc.json

{
  "env": {
    "browser": true,
    "es6": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended"
  ],
  "globals": {
    "Atomics": "readonly",
    "SharedArrayBuffer": "readonly"
  },
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2018,
    "sourceType": "module",
    "project": "./tsconfig.json"
  },
  "plugins": [
    "@typescript-eslint"
  ],
  "rules": {
    "indent": [ "warn", 2 ],
    "max-depth": [ "warn", 3 ],
    "linebreak-style": [ "warn", "unix" ],
    "max-params": [ "warn", 4 ],
    "no-trailing-spaces": "warn",
    "no-unreachable": "warn",
    "eqeqeq": [
      "warn",
      "always",
      {
        "null": "ignore"
      }
    ],
    "no-multi-spaces": "warn",
    "space-before-blocks": [ "warn", "always" ],
    "space-in-parens": [ "warn", "never" ],
    "array-bracket-spacing": [ "warn", "always" ],
    "semi": "off",
    "@typescript-eslint/semi": [ "warn", "always" ],
    "no-unused-vars": "off",
    "@typescript-eslint/no-unused-vars": [
      "warn",
      {
        "varsIgnorePattern": "^_$"
      }
    ],
    "object-curly-spacing": "off",
    "operator-linebreak": [ "warn", "before" ],
    "@typescript-eslint/object-curly-spacing": [ "warn", "always" ],
    "@typescript-eslint/type-annotation-spacing": [ "warn" ],
    "@typescript-eslint/prefer-optional-chain": "warn",
    "@typescript-eslint/no-implicit-any-catch": "warn",
    "@typescript-eslint/strict-boolean-expressions": "warn",
    "brace-style": "off",
    "@typescript-eslint/brace-style": "warn",
    "comma-dangle": "off",
    "@typescript-eslint/comma-dangle": "warn",
    "comma-spacing": "off",
    "@typescript-eslint/comma-spacing": "warn",
    "@typescript-eslint/consistent-type-definitions": [ "warn", "interface" ],
    "dot-notation": "off",
    "@typescript-eslint/dot-notation": "warn",
    "@typescript-eslint/explicit-member-accessibility": "warn",
    "@typescript-eslint/explicit-module-boundary-types": "warn",
    "func-call-spacing": "off",
    "@typescript-eslint/func-call-spacing": "warn",
    "keyword-spacing": "off",
    "curly": "warn",
    "@typescript-eslint/keyword-spacing": [
      "warn",
      {
        "overrides": {
          "if": { "after": false },
          "for": { "after": false },
          "while": { "after": false },
          "catch": { "after": false },
          "switch": { "after": false }
        }
      }
    ],
    "@typescript-eslint/member-delimiter-style": [
      "warn",
      {
        "multiline": {
          "delimiter": "comma",
          "requireLast": false
        },
        "singleline": {
          "delimiter": "comma",
          "requireLast": false
        },
        "overrides": {
          "interface": {
            "multiline": {
              "delimiter": "semi",
              "requireLast": true
            }
          }
        }
      }
    ],
    "@typescript-eslint/method-signature-style": [ "warn", "method" ],
    "require-await": "off",
    "@typescript-eslint/require-await": "warn",
    "@typescript-eslint/await-thenable": "warn",
    "quotes": "off",
    "@typescript-eslint/quotes": [ "warn", "single" ],
    "@typescript-eslint/prefer-readonly": "warn",
    "@typescript-eslint/prefer-includes": "warn",
    "@typescript-eslint/prefer-string-starts-ends-with": "warn",
    "@typescript-eslint/prefer-nullish-coalescing": "warn",
    "@typescript-eslint/unbound-method": "warn",
    "@typescript-eslint/unified-signatures": "warn",
    "@typescript-eslint/restrict-plus-operands": "warn",
    "@typescript-eslint/space-infix-ops": "warn",
    "@typescript-eslint/prefer-for-of": "warn",
    "@typescript-eslint/prefer-regexp-exec": "warn",
    "@typescript-eslint/prefer-reduce-type-parameter": "warn",
    "@typescript-eslint/padding-line-between-statements": "warn",
    "@typescript-eslint/require-array-sort-compare": "warn",
    "@typescript-eslint/ban-types": "warn",
    "@typescript-eslint/array-type": "warn"
  }
}