.eslintrc.js

module.exports = {
  parser: "@typescript-eslint/parser",
  extends: [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    "prettier/@typescript-eslint",
    "plugin:prettier/recommended",
  ],
  plugins: ["@typescript-eslint", "jest", "babel"],
  parserOptions: {
    ecmaVersion: 2018,
    ecmaFeatures: {
      experimentalObjectRestSpread: true,
      jsx: true,
    },
    sourceType: "module",
  },
  env: {
    browser: true,
    node: true,
    commonjs: true,
    es6: true,
    "jest/globals": true,
  },
  globals: {},
  rules: {
    // Place to specify ESLint rules. Can be used to overwrite rules specified from the extended configs
    // e.g. "@typescript-eslint/explicit-function-return-type": "off",
    "@typescript-eslint/explicit-member-accessibility": "off",
    "@typescript-eslint/no-unused-vars": "error",
    "@typescript-eslint/camelcase": "off",
    "@typescript-eslint/no-empty-interface": "warn",
    "@typescript-eslint/explicit-module-boundary-types": "off",
    "prettier/prettier": ["error", { trailingComma: "es5", printWidth: 100 }],
    "linebreak-style": ["error", "unix"],
    "no-console": ["error", { allow: ["warn", "error"] }],
    "no-case-declarations": 0,
    "no-param-reassign": 0,
    "no-underscore-dangle": 0,
    "no-useless-constructor": 0,
    "no-use-before-define": ["error", { functions: false, classes: false }],
    "no-unused-vars": [2, { vars: "all", args: "none" }],
    "no-restricted-syntax": 0,
    "no-plusplus": 0,
    "no-return-assign": 0,
    "no-script-url": 0,
    "no-extend-native": 0,
    "no-restricted-globals": 0,
    "no-nested-ternary": 0,
    "no-empty": 0,
    "no-void": 0,
    "no-useless-escape": 0,
    "no-bitwise": 0,
    "no-mixed-operators": 0,
    "consistent-return": 0,
    "one-var": 0,
    "prefer-promise-reject-errors": 0,
    "prefer-destructuring": 0,
    "global-require": 0,
    "guard-for-in": 0,
    "func-names": 0,
    strict: 0,
    radix: 0,
    "no-prototype-builtins": 0,
    "class-methods-use-this": 0,
    "import/no-dynamic-require": 0,
    "import/no-unresolved": 0,
    "import/extensions": 0,
    "import/no-extraneous-dependencies": 0,
    "import/prefer-default-export": 0,
    "jsx-a11y/anchor-is-valid": 0,
    "jsx-a11y/no-static-element-interactions": 0,
    "jsx-a11y/click-events-have-key-events": 0,
    "jsx-a11y/no-noninteractive-element-interactions": 0,
    "jsx-a11y/alt-text": 0,
    "jsx-a11y/label-has-for": 0,
    "jsx-a11y/label-has-associated-control": 0,
    "array-callback-return": 0,
    "no-cond-assign": 0,
    "@typescript-eslint/explicit-function-return-type": 0,
    "@typescript-eslint/no-use-before-define": 0,
    "@typescript-eslint/no-var-requires": 0,
    "@typescript-eslint/no-empty-function": 0,
    "no-shadow": 0,
    "no-continue": 0,
    "no-loop-func": 0,
    "prefer-spread": 0,
  },
  overrides: [
    {
      files: ["*.js"],
      rules: {
        "@typescript-eslint/camelcase": "off",
        "@typescript-eslint/no-var-requires": "off",
      },
    },
  ],
};