"webkitdirectory" sometimes makes ESLint whine
We currently handle this by making eslint only throw a warning on "react/no-unknown-property" See .eslintrc.js and https://github.com/facebook/react/issues/3468
We currently handle this by making eslint only throw a warning on "react/no-unknown-property" See .eslintrc.js and https://github.com/facebook/react/issues/3468