.eslintrc

/* prettier-ignore */
{
  "parser": "@babel/eslint-parser",          // https://github.com/babel/babel
  "env": {
    "browser": true,
    "node": true,
    "mocha": true,
    "es6": true
  },
  "globals": {
    "__DEV__": true,
    "afterAll": true,
    "beforeAll": true,
    "cy": true,
    "Cypress": true,
    "expect": true,
    "getElement": true,
    "renderComponent": true,
    "componentToString": true,
    "jasmine": true,
    "jest": true,
    "mockActionsStore": true,
    "mockApi": true,
    "mockSessionApi": true,
    "setupMockAdapter": true,
    "setupSessionMockAdapter": true,
    "setupStoreForActions": true,
    "sinon": true,
    "toJson": true,
    "dd": true,
    "dc": true,
    "dj": true
  },
  "settings": {
    "react": {
      "version": "detect"
    }
  },
  "rules": {
    "no-restricted-imports": [
      "error",
      {
        "patterns": ["@mui/*/*/*"] // https://mui.com/material-ui/guides/minimizing-bundle-size/#option-two-use-a-babel-plugin
      }
    ],
    "no-var": 2,                     // http://eslint.org/docs/rules/no-var
    "prefer-const": 2,               // http://eslint.org/docs/rules/prefer-const

    /**
     * Variables
     */
    "no-undef": 2,                   // http://eslint.org/docs/rules/no-undef
    "no-unused-vars": [2, {          // http://eslint.org/docs/rules/no-unused-vars
      "vars": "local",
      "args": "after-used"
    }],
    "no-use-before-define": 2,       // http://eslint.org/docs/rules/no-use-before-define

    /**
     * Possible errors
     */
    "no-cond-assign": [2, "always"], // http://eslint.org/docs/rules/no-cond-assign
    "no-debugger": 1,                // http://eslint.org/docs/rules/no-debugger
    "no-constant-condition": 1,      // http://eslint.org/docs/rules/no-constant-condition
    "no-dupe-keys": 2,               // http://eslint.org/docs/rules/no-dupe-keys
    "no-duplicate-case": 2,          // http://eslint.org/docs/rules/no-duplicate-case
    "no-empty": 2,                   // http://eslint.org/docs/rules/no-empty
    "no-ex-assign": 2,               // http://eslint.org/docs/rules/no-ex-assign
    "no-extra-boolean-cast": 0,      // http://eslint.org/docs/rules/no-extra-boolean-cast
    "no-extra-semi": 2,              // http://eslint.org/docs/rules/no-extra-semi
    "no-func-assign": 2,             // http://eslint.org/docs/rules/no-func-assign
    "no-inner-declarations": 2,      // http://eslint.org/docs/rules/no-inner-declarations
    "no-invalid-regexp": 2,          // http://eslint.org/docs/rules/no-invalid-regexp
    "no-irregular-whitespace": 2,    // http://eslint.org/docs/rules/no-irregular-whitespace
    "no-obj-calls": 2,               // http://eslint.org/docs/rules/no-obj-calls
    "no-sparse-arrays": 2,           // http://eslint.org/docs/rules/no-sparse-arrays
    "no-unreachable": 2,             // http://eslint.org/docs/rules/no-unreachable
    "use-isnan": 2,                  // http://eslint.org/docs/rules/use-isnan
    "block-scoped-var": 2,           // http://eslint.org/docs/rules/block-scoped-var

    /**
     * Best practices
     */
    "consistent-return": 2,          // http://eslint.org/docs/rules/consistent-return
    "curly": [2, "multi-line"],      // http://eslint.org/docs/rules/curly
    "default-case": 2,               // http://eslint.org/docs/rules/default-case
    "dot-notation": [2, {            // http://eslint.org/docs/rules/dot-notation
      "allowKeywords": true
    }],
    "eqeqeq": 2,                     // http://eslint.org/docs/rules/eqeqeq
    "guard-for-in": 2,               // http://eslint.org/docs/rules/guard-for-in
    "no-caller": 2,                  // http://eslint.org/docs/rules/no-caller
    "no-eq-null": 2,                 // http://eslint.org/docs/rules/no-eq-null
    "no-eval": 2,                    // http://eslint.org/docs/rules/no-eval
    "no-extend-native": 2,           // http://eslint.org/docs/rules/no-extend-native
    "no-extra-bind": 2,              // http://eslint.org/docs/rules/no-extra-bind
    "no-fallthrough": 2,             // http://eslint.org/docs/rules/no-fallthrough
    "no-floating-decimal": 2,        // http://eslint.org/docs/rules/no-floating-decimal
    "no-implied-eval": 2,            // http://eslint.org/docs/rules/no-implied-eval
    "no-lone-blocks": 2,             // http://eslint.org/docs/rules/no-lone-blocks
    "no-loop-func": 2,               // http://eslint.org/docs/rules/no-loop-func
    "no-multi-str": 2,               // http://eslint.org/docs/rules/no-multi-str
    "no-native-reassign": 2,         // http://eslint.org/docs/rules/no-native-reassign
    "no-new": 2,                     // http://eslint.org/docs/rules/no-new
    "no-new-func": 2,                // http://eslint.org/docs/rules/no-new-func
    "no-new-wrappers": 2,            // http://eslint.org/docs/rules/no-new-wrappers
    "no-octal": 2,                   // http://eslint.org/docs/rules/no-octal
    "no-octal-escape": 2,            // http://eslint.org/docs/rules/no-octal-escape
    "no-param-reassign": 2,          // http://eslint.org/docs/rules/no-param-reassign
    "no-proto": 2,                   // http://eslint.org/docs/rules/no-proto
    "no-redeclare": 2,               // http://eslint.org/docs/rules/no-redeclare
    "no-return-assign": 2,           // http://eslint.org/docs/rules/no-return-assign
    "no-script-url": 2,              // http://eslint.org/docs/rules/no-script-url
    "no-self-compare": 2,            // http://eslint.org/docs/rules/no-self-compare
    "no-sequences": 2,               // http://eslint.org/docs/rules/no-sequences
    "no-with": 2,                    // http://eslint.org/docs/rules/no-with
    "radix": 2,                      // http://eslint.org/docs/rules/radix
    "vars-on-top": 2,                // http://eslint.org/docs/rules/vars-on-top
    "yoda": 2,                       // http://eslint.org/docs/rules/yoda

    /**
     * Style
     */
    "prettier/prettier": "error",
    "brace-style": [
      2,
      "1tbs", {
        "allowSingleLine": true
      }
    ],                               // http://eslint.org/docs/rules/brace-style
    "block-spacing": [2,
      "always"
    ],                               // http://eslint.org/docs/rules/block-spacing
    "object-curly-spacing": [2,
      "always"
    ],                               // https://eslint.org/docs/rules/object-curly-spacing
    "quotes": [
      2, "single", "avoid-escape"    // http://eslint.org/docs/rules/quotes
    ],
    "camelcase": [2, {               // http://eslint.org/docs/rules/camelcase
      "properties": "never"
    }],
    "comma-dangle": [2,
      "always-multiline"
    ],                               // http://eslint.org/docs/rules/comma-dangle
    "comma-spacing": [2, {           // http://eslint.org/docs/rules/comma-spacing
      "before": false,
      "after": true
    }],
    "comma-style": [2, "last"],      // http://eslint.org/docs/rules/comma-style
    "eol-last": 2,                   // http://eslint.org/docs/rules/eol-last
    "func-names": 1,                 // http://eslint.org/docs/rules/func-names
    "key-spacing": [2, {             // http://eslint.org/docs/rules/key-spacing
      "beforeColon": false,
      "afterColon": true
    }],
    "max-len": [2, {
      "code": 120,
      "ignoreRegExpLiterals": true,
      "ignoreTemplateLiterals": true,
      "ignoreUrls": true,
      "ignoreStrings": true
    }],                               // https://eslint.org/docs/rules/max-len
    "new-cap": [0, {                 // http://eslint.org/docs/rules/new-cap
      "newIsCap": true
    }],
    "no-multiple-empty-lines": [2, { // http://eslint.org/docs/rules/no-multiple-empty-lines
      "max": 2
    }],
    "no-nested-ternary": 2,          // http://eslint.org/docs/rules/no-nested-ternary
    "no-new-object": 2,              // http://eslint.org/docs/rules/no-new-object
    "no-spaced-func": 2,             // http://eslint.org/docs/rules/no-spaced-func
    "no-trailing-spaces": 2,         // http://eslint.org/docs/rules/no-trailing-spaces
    "no-extra-parens": [2,
      "functions"
    ],                               // http://eslint.org/docs/rules/no-extra-parens
    "no-underscore-dangle": 0,       // http://eslint.org/docs/rules/no-underscore-dangle
    "one-var": [2, "never"],         // http://eslint.org/docs/rules/one-var
    "operator-linebreak": [2,
      "after", {
        "overrides": {
          "?": "before",
          ":": "before"
        }
      }
    ],                               // http://eslint.org/docs/rules/operator-linebreak
    "newline-per-chained-call": [2, {
      "ignoreChainWithDepth": 2
    }],                              // http://eslint.org/docs/rules/newline-per-chained-call
    "padded-blocks": [2, "never"],   // http://eslint.org/docs/rules/padded-blocks
    "semi": [2, "always"],           // http://eslint.org/docs/rules/semi
    "semi-spacing": [2, {            // http://eslint.org/docs/rules/semi-spacing
      "before": false,
      "after": true
    }],
    "space-before-blocks": 2,        // http://eslint.org/docs/rules/space-before-blocks
    "space-before-function-paren": [2,
       {
         "named": "never",
         "asyncArrow": "always"
       }
    ],                               // http://eslint.org/docs/rules/space-before-function-paren
    "space-infix-ops": 2,            // http://eslint.org/docs/rules/space-infix-ops
    "spaced-comment": [2,
      "always", {
        "exceptions": ["-", "+"],
        "markers": ["=", "!"]        // space here to support sprockets directives
      }
    ],                               // http://eslint.org/docs/rules/spaced-comment
    // React
    "jsx-quotes": [2, "prefer-double"],
    "react/display-name": 0,
    "react/jsx-boolean-value": 1,
    "react/jsx-no-undef": 2,
    "react/jsx-sort-prop-types": 0,
    "react/jsx-sort-props": 0,
    "react/jsx-uses-react": 1,
    "react/jsx-uses-vars": 1,
    "react/no-did-update-set-state": 2,
    "react/no-did-mount-set-state": 2,
    "react/no-multi-comp": [2, {"ignoreStateless": true}],
    "react/no-unknown-property": 2,
    "react/prop-types": 2,
    "react/react-in-jsx-scope": 2,
    "react/self-closing-comp": 2,
    "react/sort-comp": 2,
    "react/jsx-wrap-multilines": 2,
    // React hooks
    "react-hooks/rules-of-hooks": "error",
    "react-hooks/exhaustive-deps": "warn",
    // Accessibility
    "jsx-a11y/aria-props": 2,
    "jsx-a11y/heading-has-content": 2,
    "jsx-a11y/label-has-for": [1, {"allowChildren": true}],
    "jsx-a11y/mouse-events-have-key-events": 2,
    "jsx-a11y/role-has-required-aria-props": 2,
    "jsx-a11y/role-supports-aria-props": 2,
    "jsx-a11y/html-has-lang" : 2,
    "jsx-a11y/click-events-have-key-events" : 2,
    "jsx-a11y/no-onchange" : 2,
    "jsx-a11y/img-has-alt": "off",
    "jsx-a11y/onclick-has-focus" : "off",
    "jsx-a11y/href-no-hash": "off",
    "uqlibrary/no-uql-token": 2
  },
  "parserOptions": {
    "requireConfigFile": false,
    "babelOptions": {
      "presets": ["@babel/preset-react"]
    }
},
  "plugins": [
    "react",
    "react-hooks",
    "jsx-a11y",
    "uqlibrary"
  ],
  "extends": ["plugin:prettier/recommended"]
}