.eslintrc.json

{
  "root": true,
  "env": {
    "es6": true,
    "node": true,
    "browser": true,
    "mocha": true
  },
  "parserOptions": {
    "ecmaVersion": 2020,
    "sourceType": "module"
  },
  "extends": [
    "eslint:recommended"
  ],
  "plugins": ["import"],
  "rules": {
    "array-bracket-newline": ["error", "consistent"],
    "array-bracket-spacing": "error",
    "array-callback-return": "error",
    "arrow-parens": "error",
    "arrow-spacing": "error",
    "block-scoped-var": "error",
    "block-spacing": "error",
    "brace-style": "error",
    "class-methods-use-this": "error",
    "comma-dangle": "error",
    "comma-spacing": "error",
    "comma-style": "error",
    "curly": "error",
    "default-case": "error",
    "default-case-last": "error",
    "default-param-last": "error",
    "dot-location": ["error", "property"],
    "dot-notation": "error",
    "eol-last": "error",
    "eqeqeq": "error",
    "func-call-spacing": "error",
    "func-name-matching": "error",
    "func-style": "error",
    "function-call-argument-newline": ["error", "consistent"],
    "function-paren-newline": "error",
    "generator-star-spacing": ["error", { "before": false, "after": true }],
    "grouped-accessor-pairs": "error",
    "id-denylist": "error",
    "id-match": "error",
    "implicit-arrow-linebreak": "error",
    "indent": ["error", 2, { "ignoreComments": true, "SwitchCase": 1 }],
    "key-spacing": "error",
    "keyword-spacing": "error",
    "linebreak-style": "error",
    "lines-between-class-members": "error",
    "logical-assignment-operators": "error",
    "max-classes-per-file": "error",
    "max-len": ["warn", { "code": 160, "ignoreStrings": true, "ignoreTemplateLiterals": true, "ignoreRegExpLiterals": true }],
    "new-parens": "error",
    "newline-per-chained-call": "error",
    "no-alert": "error",
    "no-array-constructor": "error",
    "no-bitwise": "error",
    "no-caller": "error",
    "no-console": "error",
    "no-constant-binary-expression": "error",
    "no-constructor-return": "error",
    "no-div-regex": "error",
    "no-duplicate-imports": "error",
    "no-empty-function": "error",
    "no-empty-static-block": "error",
    "no-eq-null": "error",
    "no-eval": "error",
    "no-extend-native": "error",
    "no-extra-bind": "error",
    "no-extra-label": "error",
    "no-extra-parens": ["error", "all", { "nestedBinaryExpressions": false }],
    "no-floating-decimal": "error",
    "no-implicit-coercion": "error",
    "no-implicit-globals": "error",
    "no-implied-eval": "error",
    "no-invalid-this": "error",
    "no-iterator": "error",
    "no-label-var": "error",
    "no-labels": "error",
    "no-lone-blocks": "error",
    "no-lonely-if": "error",
    "no-loop-func": "error",
    "no-multi-assign": "error",
    "no-multi-spaces": "error",
    "no-multi-str": "error",
    "no-multiple-empty-lines": "error",
    "no-negated-condition": "error",
    "no-nested-ternary": "error",
    "no-new": "error",
    "no-new-func": "error",
    "no-new-native-nonconstructor": "error",
    "no-new-object": "error",
    "no-new-wrappers": "error",
    "no-octal-escape": "error",
    "no-promise-executor-return": "error",
    "no-proto": "error",
    "no-restricted-exports": "error",
    "no-restricted-globals": "error",
    "no-restricted-imports": "error",
    "no-restricted-properties": "error",
    "no-restricted-syntax": "error",
    "no-return-assign": "error",
    "no-return-await": "error",
    "no-script-url": "error",
    "no-self-compare": "error",
    "no-sequences": "error",
    "no-tabs": "error",
    "no-template-curly-in-string": "error",
    "no-throw-literal": "error",
    "no-trailing-spaces": "error",
    "no-undef-init": "error",
    "no-unmodified-loop-condition": "error",
    "no-unneeded-ternary": "error",
    "no-unreachable-loop": "error",
    "no-unused-private-class-members": "error",
    "no-unused-vars": ["error", { "argsIgnorePattern": "_.*" }],
    "no-useless-call": "error",
    "no-useless-computed-key": "error",
    "no-useless-concat": "error",
    "no-useless-constructor": "error",
    "no-useless-rename": "error",
    "no-useless-return": "error",
    "no-var": "error",
    "no-void": "error",
    "no-whitespace-before-property": "error",
    "nonblock-statement-body-position": "error",
    "object-curly-newline": "error",
    "object-curly-spacing": ["error", "always"],
    "object-property-newline": ["error", { "allowAllPropertiesOnSameLine": true }],
    "operator-linebreak": ["error", "before"],
    "padded-blocks": ["error", "never"],
    "padding-line-between-statements": "error",
    "prefer-arrow-callback": "error",
    "prefer-const": ["error", { "destructuring": "all" }],
    "prefer-exponentiation-operator": "error",
    "prefer-numeric-literals": "error",
    "prefer-object-has-own": "error",
    "prefer-object-spread": "error",
    "prefer-promise-reject-errors": "error",
    "prefer-rest-params": "error",
    "prefer-spread": "error",
    "quotes": ["error", "double", { "allowTemplateLiterals": true }],
    "radix": "error",
    "require-await": "error",
    "rest-spread-spacing": "error",
    "semi": "error",
    "semi-spacing": "error",
    "semi-style": "error",
    "space-before-blocks": "error",
    "space-before-function-paren": ["error", { "anonymous": "always", "named": "never", "asyncArrow": "always" }],
    "space-in-parens": "error",
    "space-infix-ops": "error",
    "space-unary-ops": "error",
    "strict": "error",
    "switch-colon-spacing": "error",
    "symbol-description": "error",
    "template-curly-spacing": "error",
    "template-tag-spacing": "error",
    "unicode-bom": "error",
    "wrap-iife": "error",
    "yield-star-spacing": "error",
    "yoda": "error",
    "import/no-unresolved": ["error", { "commonjs": true }],
    "import/extensions": ["error", "always", { "js": "always" }],
    "import/newline-after-import": ["error", { "count": 2 }]
  },
  "settings": {
    "import/resolver": "node"
  },
  "overrides": [
    {
      "files": ["**/*.ts"],
      "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/eslint-recommended",
        "plugin:@typescript-eslint/recommended",
        "plugin:@typescript-eslint/recommended-requiring-type-checking"
      ],
      "parserOptions": {
        "project": "./tsconfig.json"
      },
      "settings": {
        "import/resolver": "typescript"
      },
      "rules": {
        "no-prototype-builtins": ["off"],
        "import/extensions": ["error", "always", { "ts": "never" }],
        "@typescript-eslint/array-type": "error",
        "brace-style": "off",
        "@typescript-eslint/brace-style": ["error", "1tbs"],
        "comma-dangle": "off",
        "@typescript-eslint/comma-dangle": ["error", "never"],
        "comma-spacing": "off",
        "@typescript-eslint/comma-spacing": "error",
        "@typescript-eslint/consistent-type-assertions": "error",
        "@typescript-eslint/consistent-type-definitions": ["error", "type"],
        "@typescript-eslint/consistent-type-imports": "error",
        "default-param-last": "off",
        "@typescript-eslint/default-param-last": "error",
        "func-call-spacing": "off",
        "@typescript-eslint/func-call-spacing": "error",
        "indent": "off",
        "@typescript-eslint/indent": ["error", 2, { "ignoreComments": true, "SwitchCase": 1 }],
        "keyword-spacing": "off",
        "@typescript-eslint/keyword-spacing": "error",
        "@typescript-eslint/method-signature-style": "error",
        "@typescript-eslint/no-base-to-string": "error",
        "@typescript-eslint/no-confusing-void-expression": "error",
        "no-loss-of-precision": "off",
        "@typescript-eslint/no-loss-of-precision": "error",
        "@typescript-eslint/no-meaningless-void-operator": "error",
        "no-throw-literal": "off",
        "@typescript-eslint/no-throw-literal": "error",
        "@typescript-eslint/no-unnecessary-boolean-literal-compare": "error",
        "@typescript-eslint/no-unnecessary-condition": "error",
        "@typescript-eslint/no-unnecessary-qualifier": "error",
        "@typescript-eslint/no-unnecessary-type-arguments": "error",
        "@typescript-eslint/no-unnecessary-type-constraint": "error",
        "@typescript-eslint/no-unsafe-argument": "warn",
        "@typescript-eslint/no-unsafe-assignment": "warn",
        "@typescript-eslint/no-unsafe-call": "warn",
        "@typescript-eslint/no-unsafe-member-access": "warn",
        "@typescript-eslint/no-unsafe-return": "warn",
        "@typescript-eslint/no-unused-vars": ["error", { "argsIgnorePattern": "_.*" }],
        "no-unused-expressions": "off",
        "@typescript-eslint/no-unused-expressions": "error",
        "@typescript-eslint/non-nullable-type-assertion-style": "error",
        "object-curly-spacing": "off",
        "@typescript-eslint/object-curly-spacing": ["error", "always"],
        "@typescript-eslint/prefer-for-of": "error",
        "@typescript-eslint/prefer-reduce-type-parameter": "error",
        "quotes": "off",
        "@typescript-eslint/quotes": ["error", "double", { "allowTemplateLiterals": true }],
        "no-return-await": "off",
        "@typescript-eslint/require-await": ["off"],
        "@typescript-eslint/return-await": "error",
        "semi": "off",
        "@typescript-eslint/semi": ["error", "always"],
        "space-before-function-paren": "off",
        "@typescript-eslint/space-before-function-paren": ["error", { "named": "never" }],
        "space-infix-ops": "off",
        "@typescript-eslint/space-infix-ops": "error",
        "@typescript-eslint/type-annotation-spacing": "error"
      }
    }
  ]
}