.eslintrc

{
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2020, // Allows for the parsing of modern ECMAScript features
    "sourceType": "module", // Allows for the use of imports
    "ecmaFeatures": {
      "jsx": true // Allows for the parsing of JSX
    }
  },
  "settings": {
    "react": {
      "version": "detect"
      // Tells eslint-plugin-react to automatically detect the version of React to use
    }
  },
  "overrides": [
    //No need for runtime checks of prop-types for TS code in dev
    {
      "files": ["*.ts", "*.tsx"],
      "rules": {
        "react/prop-types": "off",
        // It is sometimes nice to be able to create props with a function. For instance react-use-form-state.
        "react/jsx-props-no-spreading": "off"
      }
    },
    {
      "files": ["*.tsx"],
      "rules": {
        // Allows us to use () => <Element /> functions without explicit return types
        "@typescript-eslint/explicit-function-return-type": "off"
      }
    }
  ],
  "extends": [
    "airbnb",
    "plugin:react/recommended",
    "plugin:@typescript-eslint/recommended",
    "prettier/@typescript-eslint",
    "plugin:react-hooks/recommended",
    "plugin:prettier/recommended",
    "prettier/react"
  ],
  "env": {
    "browser": true,
    "node": true,
    "mocha": true,
    "jest": true
  },
  "globals": {
    "ENV_DEV": "readonly"
  },
  "plugins": ["prettier", "react-hooks", "unused-imports", "eslint-plugin-import"],
  "rules": {
    //Some API responses need non-camelcase
    "camelcase": 0,
    "@typescript-eslint/camelcase": 0,
    //No need to specify file extensions in imports
    "import/extensions": 0,
    //TODO: fix resolution for linter
    "import/no-unresolved": 0,
    //Allow jsx in non-jsx files
    "react/jsx-filename-extension": [1, { "extensions": [".tsx"] }],
    //Max 1 prop per line when using multiline JSX
    "react/jsx-max-props-per-line": [1, { "maximum": 1, "when": "multiline" }],
    // You must disable the base rule as it can report incorrect errors
    "no-use-before-define": "off",
    "@typescript-eslint/no-use-before-define": ["error"],
    // You must disable the base rule as it can report incorrect errors
    "no-shadow": "off",
    "@typescript-eslint/no-shadow": ["error"],
    // To allow dependencies in test code
    "import/no-extraneous-dependencies": ["error", {"devDependencies": true}],
    // To support eslint-plugin-unused-imports
    "@typescript-eslint/no-unused-vars": "off",
    "unused-imports/no-unused-imports-ts": "error",
    "unused-imports/no-unused-vars-ts": [
      "warn",
      { "vars": "all", "varsIgnorePattern": "^_", "args": "after-used", "argsIgnorePattern": "^_" }
    ],
    // Sort imports
    "import/order": ["error", {
      "alphabetize": {
        "order": "asc"
      },
      "pathGroups": [
        {
          "pattern": "@Root/**",
          "group": "external",
          "position": "after"
        }
      ],
      "pathGroupsExcludedImportTypes": ["builtin"],
      "newlines-between": "always"
    }],
    "@typescript-eslint/ban-ts-comment": "off",
    "react/react-in-jsx-scope": "off",
    "import/prefer-default-export": "off"
  }
}