.eslintrc.js

module.exports = {
  "settings": {
    "react": {
      "version": "16.3.1",
    }
  },
  "parser": "babel-eslint",
  "env": {
    "browser": true,
    "node": true,
    "jest/globals": true,
  },
  "plugins": [
    "jest",
  ],
  "extends": "airbnb",
  "rules": {
    "semi": ["off"],
    // Restricting for..of seems pretty controversial, let's disable that.
    // See https://github.com/airbnb/javascript/issues/1271
    "no-restricted-syntax": ["off"],
    // Allow i++ in the final clause of a for loop
    "no-plusplus": ["error", { "allowForLoopAfterthoughts": true }] ,
    // Allow JSX in .js files
    "react/jsx-filename-extension": ["off"],
    // ------------------------------------------------------------
    // TODO: The following lints are probably good to have in the long run,
    // but are disabled for now to get to zero lint
    // All component props should have PropTypes
    "react/prop-types": ["off"],
    "react/no-unused-prop-types": ["off"],
    "react/forbid-prop-types": ["off"],
    "react/require-default-props": ["off"],
    // a11y is hard.  We should do it, but it needs to be thought about holistically
    "jsx-a11y/no-static-element-interactions": ["off"],
    "jsx-a11y/click-events-have-key-events": ["off"],
    "jsx-a11y/anchor-has-content": ["off"],
    "jsx-a11y/anchor-is-valid": ["off"],
    // This seems to be performance-motivated
    "react/prefer-stateless-function": ["off"],
    // Only define one component per file
    "react/no-multi-comp": ["off"],
    // Don't use console.log
    "no-console": ["off"],
    // Prefer default exports
    "import/prefer-default-export": ["off"],
  },
}