import 'intl'; import 'intl/locale-data/jsonp/en'; import 'es6-symbol/implement'; import includes from 'array-includes'; import assign from 'object-assign'; import isNaN from 'is-nan'; if (!Array.prototype.includes) { includes.shim(); } if (!Object.assign) { Object.assign = assign; } if (!Number.isNaN) { Number.isNaN = isNaN; }