.eslintrc.json

{
  "plugins": ["react"],
  "extends": ["react-app", "plugin:react/recommended"],
  "rules": {
    "no-var": 2,
    "no-console": 1,
    "no-debugger": 2,
    "no-unused-vars": 2,
    "no-unreachable": 2,
    "no-multi-spaces": 2,
    "no-unexpected-multiline": 2,
    "no-multiple-empty-lines": [
      2,
      {
        "max": 1,
        "maxEOF": 1
      }
    ],
    "guard-for-in": 2,
    "valid-jsdoc": [
      2,
      {
        "requireReturn": false,
        "requireParamDescription": false,
        "requireReturnDescription": false
      }
    ],
    "no-undef": 1,
    "key-spacing": 2,
    "semi-spacing": 2,
    "block-spacing": 2,
    "spaced-comment": 2,
    "callback-return": 2,
    "space-infix-ops": 2,
    "keyword-spacing": 2,
    "newline-after-var": 2,
    "space-before-blocks": 2,
    "handle-callback-err": 1,
    "newline-before-return": 2,
    "semi": [2, "always"],
    "eqeqeq": [2, "always"],
    "eol-last": [2, "always"],
    "max-statements": [2, 40],
    "comma-dangle": [2, "never"],
    "indent": [2, 2, { "SwitchCase": 1 }],
    "object-curly-spacing": [2, "always"],
    "comma-spacing": [2, { "before": false, "after": true }],
    "quotes": [2, "single", { "allowTemplateLiterals": true }],
    "react/prop-types": 1,
    "react/no-children-prop": 0,
    "react/no-string-refs": 1,
    "react/display-name": 0,
    "jsx-a11y/href-no-hash": "off",
    "jsx-a11y/anchor-is-valid": ["warn", { "aspects": ["invalidHref"] }]
  }
}