.eslintrc.json

{
  "env": {
    "browser": true,
    "es6": true,
    "node": true,
    "jest": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:import/warnings",
    "plugin:import/errors",
    "plugin:import/typescript",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    "plugin:react/recommended",
    "prettier"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "sourceType": "module",
    "allowImportExportEverywhere": false,
    "codeFrame": false,
    "project": [
      "./packages/openneuro-app/tsconfig.json",
      "./packages/openneuro-cli/tsconfig.json",
      "./packages/openneuro-client/tsconfig.json",
      "./packages/openneuro-indexer/tsconfig.json",
      "./packages/openneuro-server/tsconfig.json"
    ]
  },
  "rules": {
    "linebreak-style": ["error", "unix"],
    "quotes": ["error", "single", { "avoidEscape": true }],
    "semi": ["error", "never"],
    "no-prototype-builtins": 0,
    "@typescript-eslint/explicit-function-return-type": "off",
    "@typescript-eslint/no-unsafe-member-access": "off",
    "@typescript-eslint/no-unsafe-call": "off",
    "@typescript-eslint/no-unsafe-assignment": "off",
    "prettier/prettier": "error",
    "react-hooks/rules-of-hooks": "error",
    "react-hooks/exhaustive-deps": "warn"
  },
  "plugins": [
    "import",
    "prettier",
    "react",
    "react-hooks",
    "@typescript-eslint"
  ],
  "settings": {
    "react": {
      "version": "detect"
    }
  },
  "overrides": [
    {
      // enable the rule specifically for TypeScript files
      "files": ["*.ts", "*.tsx"],
      "rules": {
        "@typescript-eslint/explicit-function-return-type": ["error"],
        "react/prop-types": "off"
      }
    },
    {
      "files": ["*.js", "*.jsx"],
      "rules": {
        "@typescript-eslint/explicit-module-boundary-types": "off",
        "@typescript-eslint/restrict-template-expressions": "off",
        "@typescript-eslint/no-unsafe-return": "off",
        "@typescript-eslint/no-floating-promises": "off",
        "@typescript-eslint/restrict-plus-operands": "off",
        "@typescript-eslint/ban-ts-comment": "off"
      }
    }
  ]
}