.eslintrc.js

module.exports = {
  parser: "@typescript-eslint/parser",
  parserOptions: {
    sourceType: "module",
    project: "./tsconfig.json",
  },
  plugins: ["@typescript-eslint", "eslint-plugin-tsdoc"],
  env: {
    browser: true,
    node: true,
    commonjs: true,
    jest: true,
    es6: true,
  },
  rules: {
    // picked from recommended
    // https://github.com/eslint/eslint/blob/master/conf/eslint-recommended.js
    "constructor-super": "error",
    "for-direction": "error",
    "getter-return": "error",
    "no-async-promise-executor": "error",
    "no-case-declarations": "error",
    "no-class-assign": "error",
    "no-compare-neg-zero": "error",
    "no-cond-assign": "error",
    "no-const-assign": "error",
    "no-constant-condition": [
      "error",
      {
        checkLoops: false,
      },
    ],
    "no-control-regex": "error",
    "no-debugger": "error",
    "no-delete-var": "error",
    "no-dupe-args": "error",
    "no-dupe-class-members": "error",
    "no-dupe-keys": "error",
    "no-duplicate-case": "error",
    "no-empty-character-class": "error",
    "no-empty-pattern": "error",
    "no-ex-assign": "error",
    "no-extra-boolean-cast": "error",
    "no-fallthrough": [
      "error",
      {
        commentPattern: "fallthrough",
      },
    ],
    "no-func-assign": "error",
    "no-global-assign": "error",
    "no-inner-declarations": "error",
    "no-invalid-regexp": "error",
    "no-misleading-character-class": "error",
    "no-new-symbol": "error",
    "no-obj-calls": "error",
    "no-octal": "error",
    "no-prototype-builtins": "error",
    "no-redeclare": "error",
    "no-regex-spaces": "error",
    "no-self-assign": "error",
    "no-shadow-restricted-names": "error",
    "no-sparse-arrays": "error",
    "no-this-before-super": "error",
    "no-undef": "error",
    "no-unexpected-multiline": "error",
    "no-unreachable": "error",
    "no-unsafe-finally": "error",
    "no-unsafe-negation": "error",
    "no-unused-labels": "error",
    "no-useless-catch": "error",
    "no-useless-escape": "error",
    "no-with": "error",
    "require-atomic-updates": "error",
    "use-isnan": "error",
    "valid-typeof": "error",
    // not from recommended
    "no-import-assign": "error",
    "no-template-curly-in-string": "error",
    complexity: "error",
    "default-case": "error",
    "guard-for-in": "error",
    "no-caller": "error",
    "no-else-return": "error",
    "no-eval": "error",
    "no-extend-native": "error",
    "no-extra-bind": "error",
    "no-extra-label": "error",
    "no-floating-decimal": "error",
    "no-implied-eval": "error",
    "no-iterator": "error",
    "no-lone-blocks": "error",
    "no-loop-func": "error",
    "no-multi-str": "error",
    "no-new": "error",
    "no-new-func": "error",
    "no-new-wrappers": "error",
    "no-proto": "error",
    "no-return-assign": "error",
    "no-return-await": "error",
    "no-script-url": "error",
    "no-self-compare": "error",
    "no-sequences": "error",
    "no-throw-literal": "error",
    "no-unmodified-loop-condition": "error",
    "no-unused-expressions": "error",
    "no-useless-call": "error",
    "no-useless-concat": "error",
    "no-useless-return": "error",
    "no-void": "error",
    "prefer-promise-reject-errors": "error",
    radix: "error",
    "no-label-var": "error",
    "no-undef-init": "error",
    "handle-callback-err": "error",
    "no-buffer-constructor": "error",
    "no-mixed-requires": "error",
    "no-new-require": "error",
    "no-path-concat": "error",
    "no-duplicate-imports": "error",
    "no-var": "error",
    "prefer-const": "error",
    "prefer-rest-params": "error",
    "prefer-spread": "error",
    eqeqeq: [
      "error",
      "always",
      {
        null: "ignore",
      },
    ],
    // typescript
    // picked from recommended
    "@typescript-eslint/adjacent-overload-signatures": "error",
    "@typescript-eslint/consistent-type-assertions": "error",
    "@typescript-eslint/no-array-constructor": "error",
    "@typescript-eslint/no-inferrable-types": [
      "error",
      {
        ignoreParameters: true,
        ignoreProperties: true,
      },
    ],
    "@typescript-eslint/no-misused-new": "error",
    "@typescript-eslint/no-namespace": "error",
    "@typescript-eslint/no-this-alias": "error",
    "@typescript-eslint/no-unused-vars": [
      "error",
      {
        args: "all",
        ignoreRestSiblings: true,
        argsIgnorePattern: "^_",
      },
    ],
    "@typescript-eslint/no-use-before-define": [
      "error",
      {
        functions: false,
        classes: true,
        variables: true,
        typedefs: false,
      },
    ],
    "@typescript-eslint/triple-slash-reference": "error",
    "@typescript-eslint/await-thenable": "error",
    "@typescript-eslint/no-for-in-array": "error",
    "@typescript-eslint/no-misused-promises": "error",
    "@typescript-eslint/no-unnecessary-type-assertion": "error",
    "@typescript-eslint/prefer-regexp-exec": "error",
    "@typescript-eslint/unbound-method": [
      "error",
      {
        ignoreStatic: true,
      },
    ],
    // not from recommended
    "@typescript-eslint/no-extraneous-class": "error",
    "@typescript-eslint/no-parameter-properties": "error",
    "@typescript-eslint/no-unnecessary-condition": [
      "error",
      {
        ignoreRhs: true,
      },
    ],
    "@typescript-eslint/no-unnecessary-qualifier": "error",
    "@typescript-eslint/no-useless-constructor": "error",
    "@typescript-eslint/unified-signatures": "error",
    "@typescript-eslint/consistent-type-definitions": ["error", "interface"],
    "@typescript-eslint/no-floating-promises": "error",
    "@typescript-eslint/strict-boolean-expressions": "off",
    // tsdoc
    "tsdoc/syntax": "error",
  },
};