.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "extends": [
    "airbnb",
    "plugin:import/typescript",
    "plugin:prettier/recommended"
  ],
  "parserOptions": {
    "ecmaVersion": 2018,
    "lib": ["es6", "dom"],
    "sourceType": "module"
  },
  "plugins": ["@typescript-eslint", "jsdoc", "jest"],
  "rules": {
    "no-use-before-define": "off",
    "@typescript-eslint/no-use-before-define": ["error"],
    "react/jsx-filename-extension": ["error", { "extensions": [".js", ".jsx", ".ts", ".tsx"] }],
    "react/jsx-no-duplicate-props": ["error", { "ignoreCase": false }],
    "react/require-default-props": "off",
    "comma-dangle": ["error", "always-multiline"],
    "import/first": "off",
    "import/extensions": "off",
    "newline-per-chained-call": ["error"],
    "no-console": "off",
    "no-shadow": "off",
    "no-unused-vars": "off",
    "no-useless-return": "off",
    "semi": [2, "never"],
    "sort-imports": ["error", { "ignoreDeclarationSort": true }],
    "jsdoc/require-description-complete-sentence": "error",
    "jest/no-disabled-tests": "warn",
    "jest/no-focused-tests": "error",
    "jest/no-identical-title": "error",
    "jest/prefer-to-have-length": "warn",
    "jest/valid-expect": "error",
    "import/no-cycle": "off",
    "import/no-extraneous-dependencies": ["error", {"devDependencies": ["**/test/end-to-end/**", "**/test/integration/**", "**/*.test.ts"]}]
  },
  "env": {
    "browser": true,
    "jest": true
  },
  "settings": {
    "import/resolver": {
      "alias": {
        "map": [
          ["^~", "./src/client"],
          ["^@assets", "./src/client/app/assets/gov"],
          ["^\\$components", "./src/client/scss/components"]
        ],
        "extensions": [".jsx", ".js", ".tsx", ".ts", ".scss", ".css", ".png", ".svg"]
      }
    }
  },
  "overrides": [
    {
      "files": ["*.ts", "*.tsx"],
      "rules": {
          // Disabling `no-undef` lint rule in favor of Typescript checking
          // https://github.com/typescript-eslint/typescript-eslint/blob/main/docs/linting/TROUBLESHOOTING.md#i-get-errors-from-the-no-undef-rule-about-global-variables-not-being-defined-even-though-there-are-no-typescript-errors
          "no-undef": "off"
      }
    }
  ]
}