extra-webpack.config.js
const MomentLocalesPlugin = require('moment-locales-webpack-plugin');
const MomentTimezoneDataPlugin = require('moment-timezone-data-webpack-plugin');
const currentYear = new Date().getFullYear();
module.exports = {
plugins: [
new MomentLocalesPlugin(),
new MomentTimezoneDataPlugin({
startYear: currentYear - 5,
endYear: currentYear + 5
})
]
};