.eslintrc.json

{
    "env": {
      "browser": true,
      "es2021": true,
      "mocha": true
    },
    "extends": ["airbnb-base", "eslint:recommended"],
    "parserOptions": {
      "ecmaVersion": 12,
      "sourceType": "module"
    },
    "rules": {
      "linebreak-style": [1, "unix"],
      "newline-per-chained-call": [0],
      "semi": [1, "always"],
      "brace-style": 1,
      "class-methods-use-this": 0,
      "comma-spacing": 1,
      "comma-dangle": [1, "never"],
      "eol-last": [0],
      "key-spacing": 1,
      "no-mixed-requires": [0],
      "no-underscore-dangle": [0],
      "no-extra-parens": 0,
      "no-mixed-spaces-and-tabs": 1,
      "no-trailing-spaces": 1,
      "no-restricted-globals": 0,
      "no-undef": 0,
      "no-unused-vars": 1,
      "object-curly-spacing": 0,
      "object-shorthand": 0,
      "space-before-function-paren": 0,
      "space-infix-ops": 1,
      "import/no-commonjs": 0,
      "import/imports-first": 1,
      "import/extensions": 0,
      "import/no-extraneous-dependencies": [
        1,
        {
          "devDependencies": true,
          "optionalDependencies": false,
          "peerDependencies": false
        }
      ],
      "jsx-a11y/href-no-hash": 0,
      "react/prefer-es6-class": [0, "never"],
      "react/prefer-stateless-function": 0
    }
  }