.eslintrc

{
  "parser": "@babel/eslint-parser",
  "plugins": [
    "react",
    "react-hooks",
    "inclusive-language",
    "jest",
    "import",
    "fp"
  ],
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:prettier/recommended",
    "plugin:jest/recommended"
  ],
  "settings": {
    "react": {
      "version": "detect"
    }
  },
  "env": {
    "browser": true,
    "node": true,
    "es6": true
  },
  "parserOptions": {
    "requireConfigFile": false,
    "babelOptions": {
      "presets": [
        "@babel/preset-env",
        "@babel/preset-react",
        "@babel/preset-typescript"
      ]
    },
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": 2018, // Allows for the parsing of modern ECMAScript features
    "sourceType": "module" // Allows for the use of imports
  },
  "rules": {
    "prettier/prettier": [
      2,
      {
        "semi": true,
        "singleQuote": true,
        "jsxSingleQuote": true,
        "parser": "flow"
      }
    ],
    "inclusive-language/use-inclusive-words": 2,
    "semi": [2, "always"],
    "jsx-quotes": [2, "prefer-single"],
    "no-console": 2,
    "no-extra-semi": 2,
    "semi-spacing": [2, { "before": false, "after": true }],
    "no-dupe-else-if": 0,
    "no-setter-return": 0,
    "prefer-promise-reject-errors": 0,
    "import/order": 2,
    "react/button-has-type": 2,
    "react/default-props-match-prop-types": 2,
    "react/jsx-closing-bracket-location": 2,
    "react/jsx-closing-tag-location": 2,
    "react/jsx-curly-spacing": 2,
    "react/jsx-curly-newline": 2,
    "react/jsx-equals-spacing": 2,
    "react/jsx-max-props-per-line": [2, { "maximum": 1, "when": "multiline" }],
    "react/jsx-first-prop-new-line": 2,
    "react/jsx-curly-brace-presence": [
      2,
      { "props": "never", "children": "never" }
    ],
    "react/jsx-pascal-case": 2,
    "react/jsx-props-no-multi-spaces": 2,
    "react/jsx-tag-spacing": [2, { "beforeClosing": "never" }],
    "react/jsx-wrap-multilines": 2,
    "react/no-array-index-key": 2,
    "react/no-typos": 2,
    "react/no-unsafe": 2,
    "react/no-unused-prop-types": 2,
    "react/no-unused-state": 2,
    "react/self-closing-comp": 2,
    "react/sort-comp": 2,
    "react/style-prop-object": 2,
    "react/void-dom-elements-no-children": 2,
    "react/function-component-definition": [
      2,
      { "namedComponents": ["function-declaration", "arrow-function"] }
    ],
    "react-hooks/rules-of-hooks": 2, // Checks rules of Hooks
    "react-hooks/exhaustive-deps": 1, // Checks effect dependencies
    "fp/no-mutating-methods": 1
  },
  "overrides": [
    {
      "files": ["**/*.ts", "**/*.tsx"],
      "plugins": ["@typescript-eslint"],
      "rules": {
        "prettier/prettier": 0,
        "@typescript-eslint/no-unused-vars": 2,
        "@typescript-eslint/no-non-null-assertion": 0
      },
      // Weird behavior with no-unused-vars
      // See https://stackoverflow.com/a/58513127
      "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/strict",
        "plugin:@typescript-eslint/recommended"
      ],
      "parser": "@typescript-eslint/parser",
      "parserOptions": {
        "project": ["./tsconfig.json"]
      }
    }
  ]
}