.eslintrc.js

module.exports = 
{
  "parser": "@typescript-eslint/parser", // Specifies the ESLint parser
  "root": true,
  "parserOptions": {
    "ecmaVersion": 2020, // Allows for the parsing of modern ECMAScript features
    "sourceType": "module", // Allows for the use of imports,
    "ecmaFeatures": {
      "jsx": true // Allows for the parsing of JSX
    },
    "project": "tsconfig.json",
    "tsconfigRootDir": ".",
    "projectFolderIgnoreList": [
      "node_modules/*",
      "node_modules",
      "dist",
      "lib",
      "build",
      ".yarn",
      "build-utils",
      "docs"
    ]
  },
  "env": {
    "browser": true,
    "es6": true,
    "node": true
  },
  "extends": [
    "plugin:import/errors",
    "plugin:import/warnings",
    "plugin:import/typescript",
    "plugin:react-hooks/recommended",
    "plugin:react/recommended",
    "plugin:prettier/recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    "plugin:mocha/recommended"
  ],
  "plugins": ["prettier", "react", "react-hooks", "unused-imports", "testing-library", "mocha"],
  "rules": {
    "eqeqeq": ["error", "smart"],
    "react/jsx-wrap-multilines": "warn",
    "react/jsx-uses-react": "off",
    "react/react-in-jsx-scope": "off",
    "react/jsx-filename-extension": "off",
    "react/jsx-indent": "off",
    "react/require-default-props": "off",
    "react/jsx-one-expression-per-line": "off",
    "react/jsx-closing-tag-location": "off",
    "react/jsx-indent-props": "off",
    "react/jsx-closing-bracket-location": "off",
    "react/prop-types": "off",
    "react-hooks/rules-of-hooks": "error",
    "react-hooks/exhaustive-deps": [
      "warn",
      {
        "additionalHooks": "(useRecoilCallback)"
      }
    ],
    "prettier/prettier": [
      "warn",
      {
        "endOfLine": "auto"
      }
    ],
    "@typescript-eslint/ban-ts-comment": [
      "warn",
      {
        "ts-expect-error": false,
        "ts-ignore": true,
        "ts-nocheck": false,
        "ts-check": false
      }
    ],
    "@typescript-eslint/no-empty-function": "warn",
    "no-unused-vars": "off",
    "@typescript-eslint/no-unused-vars": "off",
    "unused-imports/no-unused-imports-ts": "warn",
    "unused-imports/no-unused-vars-ts": [
      "error",
      { "vars": "all", "varsIgnorePattern": "^_", "args": "after-used", "argsIgnorePattern": "^_" }
    ],
    "@typescript-eslint/no-use-before-define": ["error"],
    "@typescript-eslint/no-inferrable-types": "off",
    "@typescript-eslint/no-unsafe-assignment": "warn",
    "@typescript-eslint/no-explicit-any": "off",
    "@typescript-eslint/no-unsafe-call": "warn",
    "@typescript-eslint/explicit-function-return-type": "error",
    "@typescript-eslint/unbound-method": "off",
    "@typescript-eslint/no-unsafe-member-access": "warn",
    "@typescript-eslint/restrict-template-expressions": ["error", { "allowBoolean": true, "allowNumber": true }],
    "prefer-destructuring": "off",
    "prefer-template": "off",
    "react/destructuring-assignment": "off",
    "no-param-reassign": "error",
    "import/order": [
      "warn",
      {
        "alphabetize": {
          "order": "asc" /* sort in ascending order. Options: ['ignore', 'asc', 'desc'] */,
          "caseInsensitive": true /* ignore case. Options: [true, false] */
        },
        "newlines-between": "always"
      }
    ],
    "no-duplicate-imports": "warn",
    "import/named": "off",
    "import/namespace": "off",
    "import/default": "off",
    "import/no-named-as-default-member": "error",
    "import/extensions": "off",
    "import/no-unresolved": "off",
    "import/prefer-default-export": "off",
    "import/no-unused-modules": ["off"],
    "import/no-unassigned-import": "off",
    "import/no-extraneous-dependencies": [
      "error",
      {
        "devDependencies": true,
        "optionalDependencies": false,
        "peerDependencies": false
      }
    ],
    "no-underscore-dangle": [
      "off",
      {
        "allow": ["obj"],
        "allowFunctionParams": false,
        "allowAfterSuper": true,
        "allowAfterThis": true,
        "allowAfterThisConstructor": true,
        "enforceInMethodNames": true
      }
    ],
    "sort-keys": "off",
    "comma-dangle": "off",
    "@typescript-eslint/comma-dangle": ["off"],
    "no-use-before-define": "off",
    "spaced-comment": "warn",
    "max-len": "off",
    "indent": "off",
    "no-console": "off",
    "arrow-body-style": "off",
    "no-multiple-empty-lines": "warn",
    "no-restricted-globals": "off",
    "eslint linebreak-style": "off",
    "object-curly-newline": "off",
    "no-shadow": "off",
    "no-void": ["error", { "allowAsStatement": true }],
    "mocha/no-mocha-arrows": "off",
    "mocha/no-hooks-for-single-case": "off",
    "mocha/max-top-level-suites": ["warn", { "limit": 3 }]
  },
  "overrides": [
    {
      "files": ["*.test.ts", "*.test.tsx"],
      "rules": {
        "@typescript-eslint/no-non-null-assertion": "off"
      }
    }
  ],
  "settings": {
    "react": {
      "createClass": "createReactClass", // Regex for Component Factory to use,
      // default to "createReactClass"
      "pragma": "React", // Pragma to use, default to "React"
      "fragment": "Fragment", // Fragment to use (may be a property of <pragma>), default to "Fragment"
      "version": "detect" // React version. "detect" automatically picks the version you have installed.
      // You can also use `16.0`, `16.3`, etc, if you want to override the detected value.
      // default to latest and warns if missing
      // It will default to "detect" in the future
    }
  },
  "reportUnusedDisableDirectives": true
}